diff options
Diffstat (limited to 'LUFA/Drivers/USB/Core/UC3')
20 files changed, 5827 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Core/UC3/Device_UC3.c b/LUFA/Drivers/USB/Core/UC3/Device_UC3.c new file mode 100644 index 0000000000..3aa1433f53 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Device_UC3.c @@ -0,0 +1,51 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#include "../../../../Common/Common.h" +#if (ARCH == ARCH_UC3) + +#define __INCLUDE_FROM_USB_DRIVER +#include "../USBMode.h" + +#if defined(USB_CAN_BE_DEVICE) + +#include "../Device.h" + +void USB_Device_SendRemoteWakeup(void) +{ + USB_CLK_Unfreeze(); + + AVR32_USBB.UDCON.rmwkup = true; + while (AVR32_USBB.UDCON.rmwkup); +} + +#endif + +#endif diff --git a/LUFA/Drivers/USB/Core/UC3/Device_UC3.h b/LUFA/Drivers/USB/Core/UC3/Device_UC3.h new file mode 100644 index 0000000000..fd6dbde887 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Device_UC3.h @@ -0,0 +1,267 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Device definitions for the AVR32 UC3 microcontrollers. + * \copydetails Group_Device_UC3 + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_Device + * \defgroup Group_Device_UC3 Device Management (UC3) + * \brief USB Device definitions for the AVR32 UC3 microcontrollers. + * + * Architecture specific USB Device definitions for the Atmel 32-bit UC3 AVR microcontrollers. + * + * @{ + */ + +#ifndef __USBDEVICE_UC3_H__ +#define __USBDEVICE_UC3_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../USBController.h" + #include "../StdDescriptors.h" + #include "../USBInterrupt.h" + #include "../Endpoint.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** \name USB Device Mode Option Masks */ + //@{ + /** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the + * USB interface should be initialized in low speed (1.5Mb/s) mode. + * + * \note Restrictions apply on the number, size and type of endpoints which can be used + * when running in low speed mode - please refer to the USB 2.0 specification. + */ + #define USB_DEVICE_OPT_LOWSPEED (1 << 0) + + /** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the + * USB interface should be initialized in full speed (12Mb/s) mode. + */ + #define USB_DEVICE_OPT_FULLSPEED (0 << 0) + + #if defined(USB_SERIES_UC3A3_AVR32) || defined(USB_SERIES_UC3A4_AVR32) || defined(__DOXYGEN__) + /** Mask for the Options parameter of the \ref USB_Init() function. This indicates that the + * USB interface should be initialized in high speed (480Mb/s) mode. + */ + #define USB_DEVICE_OPT_HIGHSPEED (1 << 1) + #endif + //@} + + #if (!defined(NO_INTERNAL_SERIAL) && \ + (defined(USB_SERIES_UC3A3_AVR32) || defined(USB_SERIES_UC3A4_AVR32) || \ + defined(__DOXYGEN__))) + /** String descriptor index for the device's unique serial number string descriptor within the device. + * This unique serial number is used by the host to associate resources to the device (such as drivers or COM port + * number allocations) to a device regardless of the port it is plugged in to on the host. Some microcontrollers contain + * a unique serial number internally, and setting the device descriptors serial number string index to this value + * will cause it to use the internal serial number. + * + * On unsupported devices, this will evaluate to \ref NO_DESCRIPTOR and so will force the host to create a pseudo-serial + * number for the device. + */ + #define USE_INTERNAL_SERIAL 0xDC + + /** Length of the device's unique internal serial number, in bits, if present on the selected microcontroller + * model. + */ + #define INTERNAL_SERIAL_LENGTH_BITS 120 + + /** Start address of the internal serial number, in the appropriate address space, if present on the selected microcontroller + * model. + */ + #define INTERNAL_SERIAL_START_ADDRESS 0x80800204 + #else + #define USE_INTERNAL_SERIAL NO_DESCRIPTOR + + #define INTERNAL_SERIAL_LENGTH_BITS 0 + #define INTERNAL_SERIAL_START_ADDRESS 0 + #endif + + /* Function Prototypes: */ + /** Sends a Remote Wakeup request to the host. This signals to the host that the device should + * be taken out of suspended mode, and communications should resume. + * + * Typically, this is implemented so that HID devices (mice, keyboards, etc.) can wake up the + * host computer when the host has suspended all USB devices to enter a low power state. + * + * \note This function should only be used if the device has indicated to the host that it + * supports the Remote Wakeup feature in the device descriptors, and should only be + * issued if the host is currently allowing remote wakeup events from the device (i.e., + * the \ref USB_Device_RemoteWakeupEnabled flag is set). When the \c NO_DEVICE_REMOTE_WAKEUP + * compile time option is used, this function is unavailable. + * + * \note The USB clock must be running for this function to operate. If the stack is initialized with + * the \ref USB_OPT_MANUAL_PLL option enabled, the user must ensure that the PLL is running + * before attempting to call this function. + * + * \see \ref Group_StdDescriptors for more information on the RMWAKEUP feature and device descriptors. + */ + void USB_Device_SendRemoteWakeup(void); + + /* Inline Functions: */ + /** Returns the current USB frame number, when in device mode. Every millisecond the USB bus is active (i.e. enumerated to a host) + * the frame number is incremented by one. + * + * \return Current USB frame number from the USB controller. + */ + static inline uint16_t USB_Device_GetFrameNumber(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT; + static inline uint16_t USB_Device_GetFrameNumber(void) + { + return AVR32_USBB.UDFNUM.fnum; + } + + #if !defined(NO_SOF_EVENTS) + /** Enables the device mode Start Of Frame events. When enabled, this causes the + * \ref EVENT_USB_Device_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus, + * at the start of each USB frame when enumerated in device mode. + * + * \note Not available when the \c NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Device_EnableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_EnableSOFEvents(void) + { + USB_INT_Enable(USB_INT_SOFI); + } + + /** Disables the device mode Start Of Frame events. When disabled, this stops the firing of the + * \ref EVENT_USB_Device_StartOfFrame() event when enumerated in device mode. + * + * \note Not available when the \c NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Device_DisableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_DisableSOFEvents(void) + { + USB_INT_Disable(USB_INT_SOFI); + } + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Inline Functions: */ + static inline void USB_Device_SetLowSpeed(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_SetLowSpeed(void) + { + AVR32_USBB.UDCON.ls = true; + } + + static inline void USB_Device_SetFullSpeed(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_SetFullSpeed(void) + { + AVR32_USBB.UDCON.ls = false; + #if defined(USB_DEVICE_OPT_HIGHSPEED) + AVR32_USBB.UDCON.spdconf = 3; + #endif + } + + #if defined(USB_DEVICE_OPT_HIGHSPEED) + static inline void USB_Device_SetHighSpeed(void) ATTR_ALWAYS_INLINE; + static inline void USB_Device_SetHighSpeed(void) + { + AVR32_USBB.UDCON.ls = false; + AVR32_USBB.UDCON.spdconf = 0; + } + #endif + + static inline void USB_Device_SetDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void USB_Device_SetDeviceAddress(const uint8_t Address) + { + AVR32_USBB.UDCON.uadd = Address; + } + + static inline void USB_Device_EnableDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void USB_Device_EnableDeviceAddress(const uint8_t Address) + { + (void)Address; + + AVR32_USBB.UDCON.adden = true; + } + + static inline bool USB_Device_IsAddressSet(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT; + static inline bool USB_Device_IsAddressSet(void) + { + return AVR32_USBB.UDCON.adden; + } + + #if (USE_INTERNAL_SERIAL != NO_DESCRIPTOR) + static inline void USB_Device_GetSerialString(uint16_t* const UnicodeString) ATTR_NON_NULL_PTR_ARG(1); + static inline void USB_Device_GetSerialString(uint16_t* const UnicodeString) + { + uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask(); + GlobalInterruptDisable(); + + uint8_t* SigReadAddress = (uint8_t*)INTERNAL_SERIAL_START_ADDRESS; + + for (uint8_t SerialCharNum = 0; SerialCharNum < (INTERNAL_SERIAL_LENGTH_BITS / 4); SerialCharNum++) + { + uint8_t SerialByte = *SigReadAddress; + + if (SerialCharNum & 0x01) + { + SerialByte >>= 4; + SigReadAddress++; + } + + SerialByte &= 0x0F; + + UnicodeString[SerialCharNum] = cpu_to_le16((SerialByte >= 10) ? + (('A' - 10) + SerialByte) : ('0' + SerialByte)); + } + + SetGlobalInterruptMask(CurrentGlobalInt); + } + #endif + + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3/EndpointStream_UC3.c b/LUFA/Drivers/USB/Core/UC3/EndpointStream_UC3.c new file mode 100644 index 0000000000..04f6e97d65 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/EndpointStream_UC3.c @@ -0,0 +1,235 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#include "../../../../Common/Common.h" +#if (ARCH == ARCH_UC3) + +#define __INCLUDE_FROM_USB_DRIVER +#include "../USBMode.h" + +#if defined(USB_CAN_BE_DEVICE) + +#include "EndpointStream_UC3.h" + +#if !defined(CONTROL_ONLY_DEVICE) +uint8_t Endpoint_Discard_Stream(uint16_t Length, + uint16_t* const BytesProcessed) +{ + uint8_t ErrorCode; + uint16_t BytesInTransfer = 0; + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + + if (BytesProcessed != NULL) + Length -= *BytesProcessed; + + while (Length) + { + if (!(Endpoint_IsReadWriteAllowed())) + { + Endpoint_ClearOUT(); + + if (BytesProcessed != NULL) + { + *BytesProcessed += BytesInTransfer; + return ENDPOINT_RWSTREAM_IncompleteTransfer; + } + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + } + else + { + Endpoint_Discard_8(); + + Length--; + BytesInTransfer++; + } + } + + return ENDPOINT_RWSTREAM_NoError; +} + +uint8_t Endpoint_Null_Stream(uint16_t Length, + uint16_t* const BytesProcessed) +{ + uint8_t ErrorCode; + uint16_t BytesInTransfer = 0; + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + + if (BytesProcessed != NULL) + Length -= *BytesProcessed; + + while (Length) + { + if (!(Endpoint_IsReadWriteAllowed())) + { + Endpoint_ClearIN(); + + if (BytesProcessed != NULL) + { + *BytesProcessed += BytesInTransfer; + return ENDPOINT_RWSTREAM_IncompleteTransfer; + } + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + } + else + { + Endpoint_Write_8(0); + + Length--; + BytesInTransfer++; + } + } + + return ENDPOINT_RWSTREAM_NoError; +} + +/* The following abuses the C preprocessor in order to copy-paste common code with slight alterations, + * so that the code needs to be written once. It is a crude form of templating to reduce code maintenance. */ + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Stream_LE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(*BufferPtr) +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Stream_BE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(*BufferPtr) +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_LE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_8() +#include "Template/Template_Endpoint_RW.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_Stream_BE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_8() +#include "Template/Template_Endpoint_RW.c" + +#if defined(ARCH_HAS_FLASH_ADDRESS_SPACE) + #define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_LE + #define TEMPLATE_BUFFER_TYPE const void* + #define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() + #define TEMPLATE_BUFFER_OFFSET(Length) 0 + #define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount + #define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(pgm_read_byte(BufferPtr)) + #include "Template/Template_Endpoint_RW.c" + + #define TEMPLATE_FUNC_NAME Endpoint_Write_PStream_BE + #define TEMPLATE_BUFFER_TYPE const void* + #define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() + #define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) + #define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount + #define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(pgm_read_byte(BufferPtr)) + #include "Template/Template_Endpoint_RW.c" +#endif + +#if defined(ARCH_HAS_EEPROM_ADDRESS_SPACE) + #define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_LE + #define TEMPLATE_BUFFER_TYPE const void* + #define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() + #define TEMPLATE_BUFFER_OFFSET(Length) 0 + #define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount + #define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(eeprom_read_byte(BufferPtr)) + #include "Template/Template_Endpoint_RW.c" + + #define TEMPLATE_FUNC_NAME Endpoint_Write_EStream_BE + #define TEMPLATE_BUFFER_TYPE const void* + #define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearIN() + #define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) + #define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount + #define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(eeprom_read_byte(BufferPtr)) + #include "Template/Template_Endpoint_RW.c" + + #define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_LE + #define TEMPLATE_BUFFER_TYPE void* + #define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT() + #define TEMPLATE_BUFFER_OFFSET(Length) 0 + #define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount + #define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_8()) + #include "Template/Template_Endpoint_RW.c" + + #define TEMPLATE_FUNC_NAME Endpoint_Read_EStream_BE + #define TEMPLATE_BUFFER_TYPE void* + #define TEMPLATE_CLEAR_ENDPOINT() Endpoint_ClearOUT() + #define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) + #define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount + #define TEMPLATE_TRANSFER_BYTE(BufferPtr) eeprom_update_byte(BufferPtr, Endpoint_Read_8()) + #include "Template/Template_Endpoint_RW.c" +#endif + +#endif + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_LE +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(*BufferPtr) +#include "Template/Template_Endpoint_Control_W.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Write_Control_Stream_BE +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Endpoint_Write_8(*BufferPtr) +#include "Template/Template_Endpoint_Control_W.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_LE +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_8() +#include "Template/Template_Endpoint_Control_R.c" + +#define TEMPLATE_FUNC_NAME Endpoint_Read_Control_Stream_BE +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) BufferPtr -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Endpoint_Read_8() +#include "Template/Template_Endpoint_Control_R.c" + +#endif + +#endif diff --git a/LUFA/Drivers/USB/Core/UC3/EndpointStream_UC3.h b/LUFA/Drivers/USB/Core/UC3/EndpointStream_UC3.h new file mode 100644 index 0000000000..8b1c10eb09 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/EndpointStream_UC3.h @@ -0,0 +1,438 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief Endpoint data stream transmission and reception management for the AVR32 UC3 microcontrollers. + * \copydetails Group_EndpointStreamRW_UC3 + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_EndpointStreamRW + * \defgroup Group_EndpointStreamRW_UC3 Read/Write of Multi-Byte Streams (UC3) + * \brief Endpoint data stream transmission and reception management for the Atmel AVR32 UC3 architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing of data streams from + * and to endpoints. + * + * @{ + */ + +#ifndef __ENDPOINT_STREAM_UC3_H__ +#define __ENDPOINT_STREAM_UC3_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../USBMode.h" + #include "../USBTask.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Function Prototypes: */ + /** \name Stream functions for null data */ + //@{ + + /** Reads and discards the given number of bytes from the currently selected endpoint's bank, + * discarding fully read packets from the host as needed. The last packet is not automatically + * discarded once the remaining bytes has been read; the user is responsible for manually + * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. + * + * If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once, + * failing or succeeding as a single unit. If the BytesProcessed parameter points to a valid + * storage location, the transfer will instead be performed as a series of chunks. Each time + * the endpoint bank becomes empty while there is still data to process (and after the current + * packet has been acknowledged) the BytesProcessed location will be updated with the total number + * of bytes processed in the stream, and the function will exit with an error code of + * \ref ENDPOINT_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed + * in the user code - to continue the transfer, call the function again with identical parameters + * and it will resume until the BytesProcessed value reaches the total transfer length. + * + * <b>Single Stream Transfer Example:</b> + * \code + * uint8_t ErrorCode; + * + * if ((ErrorCode = Endpoint_Discard_Stream(512, NULL)) != ENDPOINT_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * <b>Partial Stream Transfers Example:</b> + * \code + * uint8_t ErrorCode; + * uint16_t BytesProcessed; + * + * BytesProcessed = 0; + * while ((ErrorCode = Endpoint_Discard_Stream(512, &BytesProcessed)) == ENDPOINT_RWSTREAM_IncompleteTransfer) + * { + * // Stream not yet complete - do other actions here, abort if required + * } + * + * if (ErrorCode != ENDPOINT_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * \note This routine should not be used on CONTROL type endpoints. + * + * \param[in] Length Number of bytes to discard via the currently selected endpoint. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes processed in the current + * transaction should be updated, \c NULL if the entire stream should be read at once. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Discard_Stream(uint16_t Length, + uint16_t* const BytesProcessed); + + /** Writes a given number of zeroed bytes to the currently selected endpoint's bank, sending + * full packets to the host as needed. The last packet is not automatically sent once the + * remaining bytes have been written; the user is responsible for manually sending the last + * packet to the host via the \ref Endpoint_ClearIN() macro. + * + * If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once, + * failing or succeeding as a single unit. If the BytesProcessed parameter points to a valid + * storage location, the transfer will instead be performed as a series of chunks. Each time + * the endpoint bank becomes full while there is still data to process (and after the current + * packet transmission has been initiated) the BytesProcessed location will be updated with the + * total number of bytes processed in the stream, and the function will exit with an error code of + * \ref ENDPOINT_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed + * in the user code - to continue the transfer, call the function again with identical parameters + * and it will resume until the BytesProcessed value reaches the total transfer length. + * + * <b>Single Stream Transfer Example:</b> + * \code + * uint8_t ErrorCode; + * + * if ((ErrorCode = Endpoint_Null_Stream(512, NULL)) != ENDPOINT_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * <b>Partial Stream Transfers Example:</b> + * \code + * uint8_t ErrorCode; + * uint16_t BytesProcessed; + * + * BytesProcessed = 0; + * while ((ErrorCode = Endpoint_Null_Stream(512, &BytesProcessed)) == ENDPOINT_RWSTREAM_IncompleteTransfer) + * { + * // Stream not yet complete - do other actions here, abort if required + * } + * + * if (ErrorCode != ENDPOINT_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * \note This routine should not be used on CONTROL type endpoints. + * + * \param[in] Length Number of zero bytes to send via the currently selected endpoint. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes processed in the current + * transaction should be updated, \c NULL if the entire stream should be read at once. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Null_Stream(uint16_t Length, + uint16_t* const BytesProcessed); + + //@} + + /** \name Stream functions for RAM source/destination data */ + //@{ + + /** Writes the given number of bytes to the endpoint from the given buffer in little endian, + * sending full packets to the host as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Endpoint_ClearIN() macro. + * + * If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once, + * failing or succeeding as a single unit. If the BytesProcessed parameter points to a valid + * storage location, the transfer will instead be performed as a series of chunks. Each time + * the endpoint bank becomes full while there is still data to process (and after the current + * packet transmission has been initiated) the BytesProcessed location will be updated with the + * total number of bytes processed in the stream, and the function will exit with an error code of + * \ref ENDPOINT_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed + * in the user code - to continue the transfer, call the function again with identical parameters + * and it will resume until the BytesProcessed value reaches the total transfer length. + * + * <b>Single Stream Transfer Example:</b> + * \code + * uint8_t DataStream[512]; + * uint8_t ErrorCode; + * + * if ((ErrorCode = Endpoint_Write_Stream_LE(DataStream, sizeof(DataStream), + * NULL)) != ENDPOINT_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * <b>Partial Stream Transfers Example:</b> + * \code + * uint8_t DataStream[512]; + * uint8_t ErrorCode; + * uint16_t BytesProcessed; + * + * BytesProcessed = 0; + * while ((ErrorCode = Endpoint_Write_Stream_LE(DataStream, sizeof(DataStream), + * &BytesProcessed)) == ENDPOINT_RWSTREAM_IncompleteTransfer) + * { + * // Stream not yet complete - do other actions here, abort if required + * } + * + * if (ErrorCode != ENDPOINT_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * \note This routine should not be used on CONTROL type endpoints. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes processed in the current + * transaction should be updated, \c NULL if the entire stream should be written at once. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Stream_LE(const void* const Buffer, + uint16_t Length, + uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1); + + /** Writes the given number of bytes to the endpoint from the given buffer in big endian, + * sending full packets to the host as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Endpoint_ClearIN() macro. + * + * \note This routine should not be used on CONTROL type endpoints. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes processed in the current + * transaction should be updated, \c NULL if the entire stream should be written at once. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Stream_BE(const void* const Buffer, + uint16_t Length, + uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the endpoint from the given buffer in little endian, + * discarding fully read packets from the host as needed. The last packet is not automatically + * discarded once the remaining bytes has been read; the user is responsible for manually + * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. + * + * If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once, + * failing or succeeding as a single unit. If the BytesProcessed parameter points to a valid + * storage location, the transfer will instead be performed as a series of chunks. Each time + * the endpoint bank becomes empty while there is still data to process (and after the current + * packet has been acknowledged) the BytesProcessed location will be updated with the total number + * of bytes processed in the stream, and the function will exit with an error code of + * \ref ENDPOINT_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed + * in the user code - to continue the transfer, call the function again with identical parameters + * and it will resume until the BytesProcessed value reaches the total transfer length. + * + * <b>Single Stream Transfer Example:</b> + * \code + * uint8_t DataStream[512]; + * uint8_t ErrorCode; + * + * if ((ErrorCode = Endpoint_Read_Stream_LE(DataStream, sizeof(DataStream), + * NULL)) != ENDPOINT_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * <b>Partial Stream Transfers Example:</b> + * \code + * uint8_t DataStream[512]; + * uint8_t ErrorCode; + * uint16_t BytesProcessed; + * + * BytesProcessed = 0; + * while ((ErrorCode = Endpoint_Read_Stream_LE(DataStream, sizeof(DataStream), + * &BytesProcessed)) == ENDPOINT_RWSTREAM_IncompleteTransfer) + * { + * // Stream not yet complete - do other actions here, abort if required + * } + * + * if (ErrorCode != ENDPOINT_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * \note This routine should not be used on CONTROL type endpoints. + * + * \param[out] Buffer Pointer to the destination data buffer to write to. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes processed in the current + * transaction should be updated, \c NULL if the entire stream should be read at once. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_Stream_LE(void* const Buffer, + uint16_t Length, + uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the endpoint from the given buffer in big endian, + * discarding fully read packets from the host as needed. The last packet is not automatically + * discarded once the remaining bytes has been read; the user is responsible for manually + * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. + * + * \note This routine should not be used on CONTROL type endpoints. + * + * \param[out] Buffer Pointer to the destination data buffer to write to. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes processed in the current + * transaction should be updated, \c NULL if the entire stream should be read at once. + * + * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_Stream_BE(void* const Buffer, + uint16_t Length, + uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1); + + /** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in little endian, + * sending full packets to the host as needed. The host OUT acknowledgement is not automatically cleared + * in both failure and success states; the user is responsible for manually clearing the status OUT packet + * to finalize the transfer's status stage via the \ref Endpoint_ClearOUT() macro. + * + * \note This function automatically sends the last packet in the data stage of the transaction; when the + * function returns, the user is responsible for clearing the <b>status</b> stage of the transaction. + * Note that the status stage packet is sent or received in the opposite direction of the data flow. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Control_Stream_LE(const void* const Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in big endian, + * sending full packets to the host as needed. The host OUT acknowledgement is not automatically cleared + * in both failure and success states; the user is responsible for manually clearing the status OUT packet + * to finalize the transfer's status stage via the \ref Endpoint_ClearOUT() macro. + * + * \note This function automatically sends the last packet in the data stage of the transaction; when the + * function returns, the user is responsible for clearing the <b>status</b> stage of the transaction. + * Note that the status stage packet is sent or received in the opposite direction of the data flow. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Write_Control_Stream_BE(const void* const Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the CONTROL endpoint from the given buffer in little endian, + * discarding fully read packets from the host as needed. The device IN acknowledgement is not + * automatically sent after success or failure states; the user is responsible for manually sending the + * status IN packet to finalize the transfer's status stage via the \ref Endpoint_ClearIN() macro. + * + * \note This function automatically sends the last packet in the data stage of the transaction; when the + * function returns, the user is responsible for clearing the <b>status</b> stage of the transaction. + * Note that the status stage packet is sent or received in the opposite direction of the data flow. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[out] Buffer Pointer to the destination data buffer to write to. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_Control_Stream_LE(void* const Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the CONTROL endpoint from the given buffer in big endian, + * discarding fully read packets from the host as needed. The device IN acknowledgement is not + * automatically sent after success or failure states; the user is responsible for manually sending the + * status IN packet to finalize the transfer's status stage via the \ref Endpoint_ClearIN() macro. + * + * \note This function automatically sends the last packet in the data stage of the transaction; when the + * function returns, the user is responsible for clearing the <b>status</b> stage of the transaction. + * Note that the status stage packet is sent or received in the opposite direction of the data flow. + * \n\n + * + * \note This routine should only be used on CONTROL type endpoints. + * + * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained + * together; i.e. the entire stream data must be read or written at the one time. + * + * \param[out] Buffer Pointer to the destination data buffer to write to. + * \param[in] Length Number of bytes to send via the currently selected endpoint. + * + * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. + */ + uint8_t Endpoint_Read_Control_Stream_BE(void* const Buffer, + uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + //@} + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.c b/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.c new file mode 100644 index 0000000000..7e24672c50 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.c @@ -0,0 +1,196 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#include "../../../../Common/Common.h" +#if (ARCH == ARCH_UC3) + +#define __INCLUDE_FROM_USB_DRIVER +#include "../USBMode.h" + +#if defined(USB_CAN_BE_DEVICE) + +#include "../Endpoint.h" + +#if !defined(FIXED_CONTROL_ENDPOINT_SIZE) +uint8_t USB_Device_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE; +#endif + +volatile uint32_t USB_Endpoint_SelectedEndpoint = ENDPOINT_CONTROLEP; +volatile uint8_t* USB_Endpoint_FIFOPos[ENDPOINT_TOTAL_ENDPOINTS]; + +bool Endpoint_ConfigureEndpointTable(const USB_Endpoint_Table_t* const Table, + const uint8_t Entries) +{ + for (uint8_t i = 0; i < Entries; i++) + { + if (!(Table[i].Address)) + continue; + + if (!(Endpoint_ConfigureEndpoint(Table[i].Address, Table[i].Type, Table[i].Size, Table[i].Banks))) + { + return false; + } + } + + return true; +} + +bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, + const uint32_t UECFG0Data) +{ + USB_Endpoint_FIFOPos[Number] = &AVR32_USBB_SLAVE[Number * ENDPOINT_HSB_ADDRESS_SPACE_SIZE]; + +#if defined(CONTROL_ONLY_DEVICE) || defined(ORDERED_EP_CONFIG) + Endpoint_SelectEndpoint(Number); + Endpoint_EnableEndpoint(); + + (&AVR32_USBB.uecfg0)[Number] = 0; + (&AVR32_USBB.uecfg0)[Number] = UECFG0Data; + + return Endpoint_IsConfigured(); +#else + for (uint8_t EPNum = Number; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++) + { + uint32_t UECFG0Temp; + + Endpoint_SelectEndpoint(EPNum); + + if (EPNum == Number) + { + UECFG0Temp = UECFG0Data; + } + else + { + UECFG0Temp = (&AVR32_USBB.uecfg0)[EPNum]; + } + + if (!(UECFG0Temp & AVR32_USBB_ALLOC_MASK)) + continue; + + Endpoint_DisableEndpoint(); + (&AVR32_USBB.uecfg0)[EPNum] &= ~AVR32_USBB_ALLOC_MASK; + + Endpoint_EnableEndpoint(); + (&AVR32_USBB.uecfg0)[EPNum] = UECFG0Temp; + + if (!(Endpoint_IsConfigured())) + return false; + } + + Endpoint_SelectEndpoint(Number); + return true; +#endif +} + +void Endpoint_ClearEndpoints(void) +{ + for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++) + { + Endpoint_SelectEndpoint(EPNum); + (&AVR32_USBB.uecfg0)[EPNum] = 0; + (&AVR32_USBB.uecon0clr)[EPNum] = -1; + USB_Endpoint_FIFOPos[EPNum] = &AVR32_USBB_SLAVE[EPNum * 0x10000]; + Endpoint_DisableEndpoint(); + } +} + +void Endpoint_ClearStatusStage(void) +{ + if (USB_ControlRequest.bmRequestType & REQDIR_DEVICETOHOST) + { + while (!(Endpoint_IsOUTReceived())) + { + if (USB_DeviceState == DEVICE_STATE_Unattached) + return; + } + + Endpoint_ClearOUT(); + } + else + { + while (!(Endpoint_IsINReady())) + { + if (USB_DeviceState == DEVICE_STATE_Unattached) + return; + } + + Endpoint_ClearIN(); + } +} + +#if !defined(CONTROL_ONLY_DEVICE) +uint8_t Endpoint_WaitUntilReady(void) +{ + #if (USB_STREAM_TIMEOUT_MS < 0xFF) + uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; + #else + uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; + #endif + + uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber(); + + for (;;) + { + if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN) + { + if (Endpoint_IsINReady()) + return ENDPOINT_READYWAIT_NoError; + } + else + { + if (Endpoint_IsOUTReceived()) + return ENDPOINT_READYWAIT_NoError; + } + + uint8_t USB_DeviceState_LCL = USB_DeviceState; + + if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) + return ENDPOINT_READYWAIT_DeviceDisconnected; + else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) + return ENDPOINT_READYWAIT_BusSuspended; + else if (Endpoint_IsStalled()) + return ENDPOINT_READYWAIT_EndpointStalled; + + uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber(); + + if (CurrentFrameNumber != PreviousFrameNumber) + { + PreviousFrameNumber = CurrentFrameNumber; + + if (!(TimeoutMSRem--)) + return ENDPOINT_READYWAIT_Timeout; + } + } +} +#endif + +#endif + +#endif diff --git a/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h b/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h new file mode 100644 index 0000000000..32d6a9b768 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h @@ -0,0 +1,794 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Endpoint definitions for the AVR32 UC3 microcontrollers. + * \copydetails Group_EndpointManagement_UC3 + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_EndpointRW + * \defgroup Group_EndpointRW_UC3 Endpoint Data Reading and Writing (UC3) + * \brief Endpoint data read/write definitions for the Atmel AVR32 UC3 architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing from and to endpoints. + */ + +/** \ingroup Group_EndpointPrimitiveRW + * \defgroup Group_EndpointPrimitiveRW_UC3 Read/Write of Primitive Data Types (UC3) + * \brief Endpoint primitive read/write definitions for the Atmel AVR32 UC3 architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing of primitive data types + * from and to endpoints. + */ + +/** \ingroup Group_EndpointPacketManagement + * \defgroup Group_EndpointPacketManagement_UC3 Endpoint Packet Management (UC3) + * \brief Endpoint packet management definitions for the Atmel AVR32 UC3 architecture. + * + * Functions, macros, variables, enums and types related to packet management of endpoints. + */ + +/** \ingroup Group_EndpointManagement + * \defgroup Group_EndpointManagement_UC3 Endpoint Management (UC3) + * \brief Endpoint management definitions for the Atmel AVR32 UC3 architecture. + * + * Functions, macros and enums related to endpoint management when in USB Device mode. This + * module contains the endpoint management macros, as well as endpoint interrupt and data + * send/receive functions for various data types. + * + * @{ + */ + +#ifndef __ENDPOINT_UC3_H__ +#define __ENDPOINT_UC3_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../USBTask.h" + #include "../USBInterrupt.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define ENDPOINT_HSB_ADDRESS_SPACE_SIZE (64 * 1024UL) + + /* Inline Functions: */ + static inline uint32_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST + ATTR_ALWAYS_INLINE; + static inline uint32_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) + { + uint8_t MaskVal = 0; + uint16_t CheckBytes = 8; + + while (CheckBytes < Bytes) + { + MaskVal++; + CheckBytes <<= 1; + } + + return (MaskVal << AVR32_USBB_EPSIZE_OFFSET); + } + + /* Function Prototypes: */ + void Endpoint_ClearEndpoints(void); + bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, + const uint32_t UECFGXData); + + /* External Variables: */ + extern volatile uint32_t USB_Endpoint_SelectedEndpoint; + extern volatile uint8_t* USB_Endpoint_FIFOPos[]; + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__)) + /** Default size of the default control endpoint's bank, until altered by the control endpoint bank size + * value in the device descriptor. Not available if the \c FIXED_CONTROL_ENDPOINT_SIZE token is defined. + */ + #define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8 + #endif + + #if !defined(CONTROL_ONLY_DEVICE) || defined(__DOXYGEN__) + #if defined(USB_SERIES_UC3A3_AVR32) || defined(USB_SERIES_UC3A4_AVR32) + #define ENDPOINT_TOTAL_ENDPOINTS 8 + #else + /** Total number of endpoints (including the default control endpoint at address 0) which may + * be used in the device. Different AVR models support different amounts of endpoints, + * this value reflects the maximum number of endpoints for the currently selected AVR model. + */ + #define ENDPOINT_TOTAL_ENDPOINTS 7 + #endif + #else + #define ENDPOINT_TOTAL_ENDPOINTS 1 + #endif + + /* Enums: */ + /** Enum for the possible error return codes of the \ref Endpoint_WaitUntilReady() function. + * + * \ingroup Group_EndpointRW_UC3 + */ + enum Endpoint_WaitUntilReady_ErrorCodes_t + { + ENDPOINT_READYWAIT_NoError = 0, /**< Endpoint is ready for next packet, no error. */ + ENDPOINT_READYWAIT_EndpointStalled = 1, /**< The endpoint was stalled during the stream + * transfer by the host or device. + */ + ENDPOINT_READYWAIT_DeviceDisconnected = 2, /**< Device was disconnected from the host while + * waiting for the endpoint to become ready. + */ + ENDPOINT_READYWAIT_BusSuspended = 3, /**< The USB bus has been suspended by the host and + * no USB endpoint traffic can occur until the bus + * has resumed. + */ + ENDPOINT_READYWAIT_Timeout = 4, /**< The host failed to accept or send the next packet + * within the software timeout period set by the + * \ref USB_STREAM_TIMEOUT_MS macro. + */ + }; + + /* Inline Functions: */ + /** Configures the specified endpoint address with the given endpoint type, bank size and number of hardware + * banks. Once configured, the endpoint may be read from or written to, depending on its direction. + * + * \param[in] Address Endpoint address to configure. + * + * \param[in] Type Type of endpoint to configure, a \c EP_TYPE_* mask. Not all endpoint types + * are available on Low Speed USB devices - refer to the USB 2.0 specification. + * + * \param[in] Size Size of the endpoint's bank, where packets are stored before they are transmitted + * to the USB host, or after they have been received from the USB host (depending on + * the endpoint's data direction). The bank size must indicate the maximum packet size + * that the endpoint can handle. + * + * \param[in] Banks Number of hardware banks to use for the endpoint being configured. + * + * \attention When the \c ORDERED_EP_CONFIG compile time option is used, Endpoints <b>must</b> be configured in + * ascending order, or bank corruption will occur. + * + * \note Different endpoints may have different maximum packet sizes based on the endpoint's index - refer to + * the chosen microcontroller model's datasheet to determine the maximum bank size for each endpoint. + * \n\n + * + * \note The default control endpoint should not be manually configured by the user application, as + * it is automatically configured by the library internally. + * \n\n + * + * \note This routine will automatically select the specified endpoint upon success. Upon failure, the endpoint + * which failed to reconfigure correctly will be selected. + * + * \return Boolean \c true if the configuration succeeded, \c false otherwise. + */ + static inline bool Endpoint_ConfigureEndpoint(const uint8_t Address, + const uint8_t Type, + const uint16_t Size, + const uint8_t Banks) ATTR_ALWAYS_INLINE; + static inline bool Endpoint_ConfigureEndpoint(const uint8_t Address, + const uint8_t Type, + const uint16_t Size, + const uint8_t Banks) + { + uint8_t Number = (Address & ENDPOINT_EPNUM_MASK); + + if (Number >= ENDPOINT_TOTAL_ENDPOINTS) + return false; + + return Endpoint_ConfigureEndpoint_Prv(Number, + (AVR32_USBB_ALLOC_MASK | + ((uint32_t)Type << AVR32_USBB_EPTYPE_OFFSET) | + ((Address & ENDPOINT_DIR_IN) ? AVR32_USBB_UECFG0_EPDIR_MASK : 0) | + ((Banks > 1) ? AVR32_USBB_UECFG0_EPBK_SINGLE : AVR32_USBB_UECFG0_EPBK_DOUBLE) | + Endpoint_BytesToEPSizeMask(Size))); + } + + /** Indicates the number of bytes currently stored in the current endpoint's selected bank. + * + * \ingroup Group_EndpointRW_UC3 + * + * \return Total number of bytes in the currently selected Endpoint's FIFO buffer. + */ + static inline uint16_t Endpoint_BytesInEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Endpoint_BytesInEndpoint(void) + { + return (&AVR32_USBB.UESTA0)[USB_Endpoint_SelectedEndpoint].byct; + } + + /** Determines the currently selected endpoint's direction. + * + * \return The currently selected endpoint's direction, as a \c ENDPOINT_DIR_* mask. + */ + static inline uint32_t Endpoint_GetEndpointDirection(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Endpoint_GetEndpointDirection(void) + { + return ((&AVR32_USBB.UECFG0)[USB_Endpoint_SelectedEndpoint].epdir ? ENDPOINT_DIR_IN : ENDPOINT_DIR_OUT); + } + + /** Get the endpoint address of the currently selected endpoint. This is typically used to save + * the currently selected endpoint so that it can be restored after another endpoint has been + * manipulated. + * + * \return Index of the currently selected endpoint. + */ + static inline uint8_t Endpoint_GetCurrentEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Endpoint_GetCurrentEndpoint(void) + { + return (USB_Endpoint_SelectedEndpoint | Endpoint_GetEndpointDirection()); + } + + /** Selects the given endpoint address. + * + * Any endpoint operations which do not require the endpoint address to be indicated will operate on + * the currently selected endpoint. + * + * \param[in] Address Endpoint address to select. + */ + static inline void Endpoint_SelectEndpoint(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void Endpoint_SelectEndpoint(const uint8_t Address) + { + USB_Endpoint_SelectedEndpoint = (Address & ENDPOINT_EPNUM_MASK); + } + + /** Resets the endpoint bank FIFO. This clears all the endpoint banks and resets the USB controller's + * data In and Out pointers to the bank's contents. + * + * \param[in] Address Endpoint number whose FIFO buffers are to be reset. + */ + static inline void Endpoint_ResetEndpoint(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ResetEndpoint(const uint8_t Address) + { + uint32_t EndpointNumber = (Address & ENDPOINT_EPNUM_MASK); + + AVR32_USBB.uerst |= (AVR32_USBB_EPRST0_MASK << EndpointNumber); + AVR32_USBB.uerst &= ~(AVR32_USBB_EPRST0_MASK << EndpointNumber); + USB_Endpoint_FIFOPos[EndpointNumber] = &AVR32_USBB_SLAVE[EndpointNumber * ENDPOINT_HSB_ADDRESS_SPACE_SIZE]; + } + + /** Enables the currently selected endpoint so that data can be sent and received through it to + * and from a host. + * + * \note Endpoints must first be configured properly via \ref Endpoint_ConfigureEndpoint(). + */ + static inline void Endpoint_EnableEndpoint(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_EnableEndpoint(void) + { + AVR32_USBB.uerst |= (AVR32_USBB_EPEN0_MASK << USB_Endpoint_SelectedEndpoint); + } + + /** Disables the currently selected endpoint so that data cannot be sent and received through it + * to and from a host. + */ + static inline void Endpoint_DisableEndpoint(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_DisableEndpoint(void) + { + AVR32_USBB.uerst &= ~(AVR32_USBB_EPEN0_MASK << USB_Endpoint_SelectedEndpoint); + } + + /** Determines if the currently selected endpoint is enabled, but not necessarily configured. + * + * \return Boolean \c true if the currently selected endpoint is enabled, \c false otherwise. + */ + static inline bool Endpoint_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsEnabled(void) + { + return ((AVR32_USBB.uerst & (AVR32_USBB_EPEN0_MASK << USB_Endpoint_SelectedEndpoint)) ? true : false); + } + + /** Retrieves the number of busy banks in the currently selected endpoint, which have been queued for + * transmission via the \ref Endpoint_ClearIN() command, or are awaiting acknowledgement via the + * \ref Endpoint_ClearOUT() command. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \return Total number of busy banks in the selected endpoint. + */ + static inline uint8_t Endpoint_GetBusyBanks(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT; + static inline uint8_t Endpoint_GetBusyBanks(void) + { + return (&AVR32_USBB.UESTA0)[USB_Endpoint_SelectedEndpoint].nbusybk; + } + + /** Aborts all pending IN transactions on the currently selected endpoint, once the bank + * has been queued for transmission to the host via \ref Endpoint_ClearIN(). This function + * will terminate all queued transactions, resetting the endpoint banks ready for a new + * packet. + * + * \ingroup Group_EndpointPacketManagement_UC3 + */ + static inline void Endpoint_AbortPendingIN(void) + { + while (Endpoint_GetBusyBanks() != 0) + { + (&AVR32_USBB.UECON0SET)[USB_Endpoint_SelectedEndpoint].killbks = true; + while ((&AVR32_USBB.UECON0)[USB_Endpoint_SelectedEndpoint].killbk); + } + } + + /** Determines if the currently selected endpoint may be read from (if data is waiting in the endpoint + * bank and the endpoint is an OUT direction, or if the bank is not yet full if the endpoint is an IN + * direction). This function will return false if an error has occurred in the endpoint, if the endpoint + * is an OUT direction and no packet (or an empty packet) has been received, or if the endpoint is an IN + * direction and the endpoint bank is full. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \return Boolean \c true if the currently selected endpoint may be read from or written to, depending + * on its direction. + */ + static inline bool Endpoint_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsReadWriteAllowed(void) + { + return (&AVR32_USBB.UESTA0)[USB_Endpoint_SelectedEndpoint].rwall; + } + + /** Determines if the currently selected endpoint is configured. + * + * \return Boolean \c true if the currently selected endpoint has been configured, \c false otherwise. + */ + static inline bool Endpoint_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsConfigured(void) + { + return (&AVR32_USBB.UESTA0)[USB_Endpoint_SelectedEndpoint].cfgok; + } + + /** Returns a mask indicating which INTERRUPT type endpoints have interrupted - i.e. their + * interrupt duration has elapsed. Which endpoints have interrupted can be determined by + * masking the return value against <tt>(1 << <i>{Endpoint Number}</i>)</tt>. + * + * \return Mask whose bits indicate which endpoints have interrupted. + */ + static inline uint32_t Endpoint_GetEndpointInterrupts(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Endpoint_GetEndpointInterrupts(void) + { + return ((AVR32_USBB.udint & (AVR32_USBB_EP6INT_MASK | AVR32_USBB_EP5INT_MASK | + AVR32_USBB_EP4INT_MASK | AVR32_USBB_EP3INT_MASK | + AVR32_USBB_EP2INT_MASK | AVR32_USBB_EP1INT_MASK | + AVR32_USBB_EP0INT_MASK)) >> AVR32_USBB_EP0INT_OFFSET); + } + + /** Determines if the specified endpoint number has interrupted (valid only for INTERRUPT type + * endpoints). + * + * \param[in] Address Address of the endpoint whose interrupt flag should be tested. + * + * \return Boolean \c true if the specified endpoint has interrupted, \c false otherwise. + */ + static inline bool Endpoint_HasEndpointInterrupted(const uint8_t Address) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_HasEndpointInterrupted(const uint8_t Address) + { + return ((Endpoint_GetEndpointInterrupts() & (AVR32_USBB_EP0INT_MASK << (Address & ENDPOINT_EPNUM_MASK))) ? true : false); + } + + /** Determines if the selected IN endpoint is ready for a new packet to be sent to the host. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \return Boolean \c true if the current endpoint is ready for an IN packet, \c false otherwise. + */ + static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsINReady(void) + { + return (&AVR32_USBB.UESTA0)[USB_Endpoint_SelectedEndpoint].txini; + } + + /** Determines if the selected OUT endpoint has received new packet from the host. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \return Boolean \c true if current endpoint is has received an OUT packet, \c false otherwise. + */ + static inline bool Endpoint_IsOUTReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsOUTReceived(void) + { + return (&AVR32_USBB.UESTA0)[USB_Endpoint_SelectedEndpoint].rxouti; + } + + /** Determines if the current CONTROL type endpoint has received a SETUP packet. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \return Boolean \c true if the selected endpoint has received a SETUP packet, \c false otherwise. + */ + static inline bool Endpoint_IsSETUPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsSETUPReceived(void) + { + return (&AVR32_USBB.UESTA0)[USB_Endpoint_SelectedEndpoint].rxstpi; + } + + /** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the + * endpoint for the next packet. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \note This is not applicable for non CONTROL type endpoints. + */ + static inline void Endpoint_ClearSETUP(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ClearSETUP(void) + { + (&AVR32_USBB.UESTA0CLR)[USB_Endpoint_SelectedEndpoint].rxstpic = true; + USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_Endpoint_SelectedEndpoint * ENDPOINT_HSB_ADDRESS_SPACE_SIZE]; + } + + /** Sends an IN packet to the host on the currently selected endpoint, freeing up the endpoint for the + * next packet and switching to the alternative endpoint bank if double banked. + * + * \ingroup Group_EndpointPacketManagement_UC3 + */ + static inline void Endpoint_ClearIN(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ClearIN(void) + { + (&AVR32_USBB.UESTA0CLR)[USB_Endpoint_SelectedEndpoint].txinic = true; + (&AVR32_USBB.UECON0CLR)[USB_Endpoint_SelectedEndpoint].fifoconc = true; + USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_Endpoint_SelectedEndpoint * ENDPOINT_HSB_ADDRESS_SPACE_SIZE]; + } + + /** Acknowledges an OUT packet to the host on the currently selected endpoint, freeing up the endpoint + * for the next packet and switching to the alternative endpoint bank if double banked. + * + * \ingroup Group_EndpointPacketManagement_UC3 + */ + static inline void Endpoint_ClearOUT(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ClearOUT(void) + { + (&AVR32_USBB.UESTA0CLR)[USB_Endpoint_SelectedEndpoint].rxoutic = true; + (&AVR32_USBB.UECON0CLR)[USB_Endpoint_SelectedEndpoint].fifoconc = true; + USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_Endpoint_SelectedEndpoint * ENDPOINT_HSB_ADDRESS_SPACE_SIZE]; + } + + /** Stalls the current endpoint, indicating to the host that a logical problem occurred with the + * indicated endpoint and that the current transfer sequence should be aborted. This provides a + * way for devices to indicate invalid commands to the host so that the current transfer can be + * aborted and the host can begin its own recovery sequence. + * + * The currently selected endpoint remains stalled until either the \ref Endpoint_ClearStall() macro + * is called, or the host issues a CLEAR FEATURE request to the device for the currently selected + * endpoint. + * + * \ingroup Group_EndpointPacketManagement_UC3 + */ + static inline void Endpoint_StallTransaction(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_StallTransaction(void) + { + (&AVR32_USBB.UECON0SET)[USB_Endpoint_SelectedEndpoint].stallrqs = true; + } + + /** Clears the STALL condition on the currently selected endpoint. + * + * \ingroup Group_EndpointPacketManagement_UC3 + */ + static inline void Endpoint_ClearStall(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ClearStall(void) + { + (&AVR32_USBB.UECON0CLR)[USB_Endpoint_SelectedEndpoint].stallrqc = true; + } + + /** Determines if the currently selected endpoint is stalled, \c false otherwise. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \return Boolean \c true if the currently selected endpoint is stalled, \c false otherwise. + */ + static inline bool Endpoint_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsStalled(void) + { + return (&AVR32_USBB.UECON0)[USB_Endpoint_SelectedEndpoint].stallrq; + } + + /** Resets the data toggle of the currently selected endpoint. */ + static inline void Endpoint_ResetDataToggle(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ResetDataToggle(void) + { + (&AVR32_USBB.UECON0SET)[USB_Endpoint_SelectedEndpoint].rstdts = true; + } + + /** Sets the direction of the currently selected endpoint. + * + * \param[in] DirectionMask New endpoint direction, as a \c ENDPOINT_DIR_* mask. + */ + static inline void Endpoint_SetEndpointDirection(const uint32_t DirectionMask) ATTR_ALWAYS_INLINE; + static inline void Endpoint_SetEndpointDirection(const uint32_t DirectionMask) + { + (&AVR32_USBB.UECFG0)[USB_Endpoint_SelectedEndpoint].epdir = (DirectionMask == ENDPOINT_DIR_IN); + } + + /** Reads one byte from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \return Next byte in the currently selected endpoint's FIFO buffer. + */ + static inline uint8_t Endpoint_Read_8(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Endpoint_Read_8(void) + { + return *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + } + + /** Writes one byte to the currently selected endpoint's bank, for IN direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \param[in] Data Data to write into the the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_8(const uint8_t Data) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_8(const uint8_t Data) + { + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = Data; + } + + /** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + */ + static inline void Endpoint_Discard_8(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Discard_8(void) + { + uint8_t Dummy; + + Dummy = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + + (void)Dummy; + } + + /** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \return Next two bytes in the currently selected endpoint's FIFO buffer. + */ + static inline uint16_t Endpoint_Read_16_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Endpoint_Read_16_LE(void) + { + uint16_t Byte0 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + uint16_t Byte1 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + + return ((Byte1 << 8) | Byte0); + } + + /** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \return Next two bytes in the currently selected endpoint's FIFO buffer. + */ + static inline uint16_t Endpoint_Read_16_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Endpoint_Read_16_BE(void) + { + uint16_t Byte0 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + uint16_t Byte1 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + + return ((Byte0 << 8) | Byte1); + } + + /** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_16_LE(const uint16_t Data) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_16_LE(const uint16_t Data) + { + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data & 0xFF); + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data >> 8); + } + + /** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_16_BE(const uint16_t Data) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_16_BE(const uint16_t Data) + { + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data >> 8); + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data & 0xFF); + } + + /** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + */ + static inline void Endpoint_Discard_16(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Discard_16(void) + { + uint8_t Dummy; + + Dummy = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + Dummy = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + + (void)Dummy; + } + + /** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \return Next four bytes in the currently selected endpoint's FIFO buffer. + */ + static inline uint32_t Endpoint_Read_32_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Endpoint_Read_32_LE(void) + { + uint32_t Byte0 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + uint32_t Byte1 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + uint32_t Byte2 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + uint32_t Byte3 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + + return ((Byte3 << 24) | (Byte2 << 16) | (Byte1 << 8) | Byte0); + } + + /** Reads four bytes from the currently selected endpoint's bank in big endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \return Next four bytes in the currently selected endpoint's FIFO buffer. + */ + static inline uint32_t Endpoint_Read_32_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Endpoint_Read_32_BE(void) + { + uint32_t Byte0 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + uint32_t Byte1 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + uint32_t Byte2 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + uint32_t Byte3 = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + + return ((Byte0 << 24) | (Byte1 << 16) | (Byte2 << 8) | Byte3); + } + + /** Writes four bytes to the currently selected endpoint's bank in little endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_32_LE(const uint32_t Data) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_32_LE(const uint32_t Data) + { + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data & 0xFF); + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data >> 8); + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data >> 16); + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data >> 24); + } + + /** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_32_BE(const uint32_t Data) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_32_BE(const uint32_t Data) + { + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data >> 24); + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data >> 16); + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data >> 8); + *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++) = (Data & 0xFF); + } + + /** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + */ + static inline void Endpoint_Discard_32(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Discard_32(void) + { + uint8_t Dummy; + + Dummy = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + Dummy = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + Dummy = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + Dummy = *(USB_Endpoint_FIFOPos[USB_Endpoint_SelectedEndpoint]++); + + (void)Dummy; + } + + /* External Variables: */ + /** Global indicating the maximum packet size of the default control endpoint located at address + * 0 in the device. This value is set to the value indicated in the device descriptor in the user + * project once the USB interface is initialized into device mode. + * + * If space is an issue, it is possible to fix this to a static value by defining the control + * endpoint size in the \c FIXED_CONTROL_ENDPOINT_SIZE token passed to the compiler in the makefile + * via the -D switch. When a fixed control endpoint size is used, the size is no longer dynamically + * read from the descriptors at runtime and instead fixed to the given value. When used, it is + * important that the descriptor control endpoint size value matches the size given as the + * \c FIXED_CONTROL_ENDPOINT_SIZE token - it is recommended that the \c FIXED_CONTROL_ENDPOINT_SIZE token + * be used in the device descriptors to ensure this. + * + * \attention This variable should be treated as read-only in the user application, and never manually + * changed in value. + */ + #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__)) + extern uint8_t USB_Device_ControlEndpointSize; + #else + #define USB_Device_ControlEndpointSize FIXED_CONTROL_ENDPOINT_SIZE + #endif + + /* Function Prototypes: */ + /** Configures a table of endpoint descriptions, in sequence. This function can be used to configure multiple + * endpoints at the same time. + * + * \note Endpoints with a zero address will be ignored, thus this function cannot be used to configure the + * control endpoint. + * + * \param[in] Table Pointer to a table of endpoint descriptions. + * \param[in] Entries Number of entries in the endpoint table to configure. + * + * \return Boolean \c true if all endpoints configured successfully, \c false otherwise. + */ + bool Endpoint_ConfigureEndpointTable(const USB_Endpoint_Table_t* const Table, + const uint8_t Entries); + + /** Completes the status stage of a control transfer on a CONTROL type endpoint automatically, + * with respect to the data direction. This is a convenience function which can be used to + * simplify user control request handling. + * + * \note This routine should not be called on non CONTROL type endpoints. + */ + void Endpoint_ClearStatusStage(void); + + /** Spin-loops until the currently selected non-control endpoint is ready for the next packet of data + * to be read or written to it. + * + * \note This routine should not be called on CONTROL type endpoints. + * + * \ingroup Group_EndpointRW_UC3 + * + * \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum. + */ + uint8_t Endpoint_WaitUntilReady(void); + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3/Host_UC3.c b/LUFA/Drivers/USB/Core/UC3/Host_UC3.c new file mode 100644 index 0000000000..2c182ab69c --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Host_UC3.c @@ -0,0 +1,297 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#include "../../../../Common/Common.h" +#if (ARCH == ARCH_UC3) + +#define __INCLUDE_FROM_USB_DRIVER +#include "../USBMode.h" + +#if defined(USB_CAN_BE_HOST) + +#define __INCLUDE_FROM_HOST_C +#include "../Host.h" + +void USB_Host_ProcessNextHostState(void) +{ + uint8_t ErrorCode = HOST_ENUMERROR_NoError; + uint8_t SubErrorCode = HOST_ENUMERROR_NoError; + + static uint16_t WaitMSRemaining; + static uint8_t PostWaitState; + + switch (USB_HostState) + { + case HOST_STATE_WaitForDevice: + if (WaitMSRemaining) + { + if ((SubErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful) + { + USB_HostState = PostWaitState; + ErrorCode = HOST_ENUMERROR_WaitStage; + break; + } + + if (!(--WaitMSRemaining)) + USB_HostState = PostWaitState; + } + + break; + case HOST_STATE_Powered: + WaitMSRemaining = HOST_DEVICE_SETTLE_DELAY_MS; + + USB_HostState = HOST_STATE_Powered_WaitForDeviceSettle; + break; + case HOST_STATE_Powered_WaitForDeviceSettle: + if (WaitMSRemaining--) + { + Delay_MS(1); + break; + } + else + { + USB_Host_VBUS_Manual_Off(); + + USB_OTGPAD_On(); + USB_Host_VBUS_Auto_Enable(); + USB_Host_VBUS_Auto_On(); + + #if defined(NO_AUTO_VBUS_MANAGEMENT) + USB_Host_VBUS_Manual_Enable(); + USB_Host_VBUS_Manual_On(); + #endif + + USB_HostState = HOST_STATE_Powered_WaitForConnect; + } + + break; + case HOST_STATE_Powered_WaitForConnect: + if (USB_INT_HasOccurred(USB_INT_DCONNI)) + { + USB_INT_Clear(USB_INT_DCONNI); + USB_INT_Clear(USB_INT_DDISCI); + + USB_INT_Clear(USB_INT_VBERRI); + USB_INT_Enable(USB_INT_VBERRI); + + USB_Host_ResumeBus(); + Pipe_ClearPipes(); + + HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Powered_DoReset); + } + + break; + case HOST_STATE_Powered_DoReset: + USB_Host_ResetDevice(); + + HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Powered_ConfigPipe); + break; + case HOST_STATE_Powered_ConfigPipe: + if (!(Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL, ENDPOINT_CONTROLEP, PIPE_CONTROLPIPE_DEFAULT_SIZE, 1))) + { + ErrorCode = HOST_ENUMERROR_PipeConfigError; + SubErrorCode = 0; + break; + } + + USB_HostState = HOST_STATE_Default; + break; + case HOST_STATE_Default: + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_GetDescriptor, + .wValue = (DTYPE_Device << 8), + .wIndex = 0, + .wLength = 8, + }; + + uint8_t DataBuffer[8]; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + if ((SubErrorCode = USB_Host_SendControlRequest(DataBuffer)) != HOST_SENDCONTROL_Successful) + { + ErrorCode = HOST_ENUMERROR_ControlError; + break; + } + + USB_Host_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, Endpoint0Size)]; + + USB_Host_ResetDevice(); + + HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Default_PostReset); + break; + case HOST_STATE_Default_PostReset: + if (!(Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL, ENDPOINT_CONTROLEP, USB_Host_ControlPipeSize, 1))) + { + ErrorCode = HOST_ENUMERROR_PipeConfigError; + SubErrorCode = 0; + break; + } + + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), + .bRequest = REQ_SetAddress, + .wValue = USB_HOST_DEVICEADDRESS, + .wIndex = 0, + .wLength = 0, + }; + + if ((SubErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful) + { + ErrorCode = HOST_ENUMERROR_ControlError; + break; + } + + HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Default_PostAddressSet); + break; + case HOST_STATE_Default_PostAddressSet: + USB_Host_SetDeviceAddress(USB_HOST_DEVICEADDRESS); + + USB_HostState = HOST_STATE_Addressed; + + EVENT_USB_Host_DeviceEnumerationComplete(); + break; + + default: + break; + } + + if ((ErrorCode != HOST_ENUMERROR_NoError) && (USB_HostState != HOST_STATE_Unattached)) + { + EVENT_USB_Host_DeviceEnumerationFailed(ErrorCode, SubErrorCode); + + USB_Host_VBUS_Auto_Off(); + + EVENT_USB_Host_DeviceUnattached(); + + USB_ResetInterface(); + } +} + +uint8_t USB_Host_WaitMS(uint8_t MS) +{ + bool BusSuspended = USB_Host_IsBusSuspended(); + uint8_t ErrorCode = HOST_WAITERROR_Successful; + bool HSOFIEnabled = USB_INT_IsEnabled(USB_INT_HSOFI); + + USB_INT_Disable(USB_INT_HSOFI); + USB_INT_Clear(USB_INT_HSOFI); + + USB_Host_ResumeBus(); + + while (MS) + { + if (USB_INT_HasOccurred(USB_INT_HSOFI)) + { + USB_INT_Clear(USB_INT_HSOFI); + MS--; + } + + if ((USB_HostState == HOST_STATE_Unattached) || (USB_CurrentMode != USB_MODE_Host)) + { + ErrorCode = HOST_WAITERROR_DeviceDisconnect; + + break; + } + + if (Pipe_IsError()) + { + Pipe_ClearError(); + ErrorCode = HOST_WAITERROR_PipeError; + + break; + } + + if (Pipe_IsStalled()) + { + Pipe_ClearStall(); + ErrorCode = HOST_WAITERROR_SetupStalled; + + break; + } + } + + if (BusSuspended) + USB_Host_SuspendBus(); + + if (HSOFIEnabled) + USB_INT_Enable(USB_INT_HSOFI); + + return ErrorCode; +} + +static void USB_Host_ResetDevice(void) +{ + bool BusSuspended = USB_Host_IsBusSuspended(); + + USB_INT_Disable(USB_INT_DDISCI); + + USB_Host_ResetBus(); + while (!(USB_Host_IsBusResetComplete())); + USB_Host_ResumeBus(); + + USB_Host_ConfigurationNumber = 0; + + bool HSOFIEnabled = USB_INT_IsEnabled(USB_INT_HSOFI); + + USB_INT_Disable(USB_INT_HSOFI); + USB_INT_Clear(USB_INT_HSOFI); + + for (uint8_t MSRem = 10; MSRem != 0; MSRem--) + { + /* Workaround for powerless-pull-up devices. After a USB bus reset, + all disconnection interrupts are suppressed while a USB frame is + looked for - if it is found within 10ms, the device is still + present. */ + + if (USB_INT_HasOccurred(USB_INT_HSOFI)) + { + USB_INT_Clear(USB_INT_HSOFI); + USB_INT_Clear(USB_INT_DDISCI); + break; + } + + Delay_MS(1); + } + + if (HSOFIEnabled) + USB_INT_Enable(USB_INT_HSOFI); + + if (BusSuspended) + USB_Host_SuspendBus(); + + USB_INT_Enable(USB_INT_DDISCI); +} + +#endif + +#endif diff --git a/LUFA/Drivers/USB/Core/UC3/Host_UC3.h b/LUFA/Drivers/USB/Core/UC3/Host_UC3.h new file mode 100644 index 0000000000..5338f72089 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Host_UC3.h @@ -0,0 +1,363 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Host definitions for the AVR32 UC3B microcontrollers. + * \copydetails Group_Host_UC3B + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_Host + * \defgroup Group_Host_UC3B Host Management (UC3B) + * \brief USB Host definitions for the AVR32 UC3B microcontrollers. + * + * Architecture specific USB Host definitions for the Atmel 32-bit AVR UC3B microcontrollers. + * + * @{ + */ + +#ifndef __USBHOST_UC3B_H__ +#define __USBHOST_UC3B_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../StdDescriptors.h" + #include "../Pipe.h" + #include "../USBInterrupt.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Indicates the fixed USB device address which any attached device is enumerated to when in + * host mode. As only one USB device may be attached to the AVR in host mode at any one time + * and that the address used is not important (other than the fact that it is non-zero), a + * fixed value is specified by the library. + */ + #define USB_HOST_DEVICEADDRESS 1 + + #if !defined(HOST_DEVICE_SETTLE_DELAY_MS) || defined(__DOXYGEN__) + /** Constant for the delay in milliseconds after a device is connected before the library + * will start the enumeration process. Some devices require a delay of up to 5 seconds + * after connection before the enumeration process can start or incorrect operation will + * occur. + * + * The default delay value may be overridden in the user project makefile by defining the + * \c HOST_DEVICE_SETTLE_DELAY_MS token to the required delay in milliseconds, and passed to the + * compiler using the -D switch. + */ + #define HOST_DEVICE_SETTLE_DELAY_MS 1000 + #endif + + /* Enums: */ + /** Enum for the error codes for the \ref EVENT_USB_Host_HostError() event. + * + * \see \ref Group_Events for more information on this event. + */ + enum USB_Host_ErrorCodes_t + { + HOST_ERROR_VBusVoltageDip = 0, /**< VBUS voltage dipped to an unacceptable level. This + * error may be the result of an attached device drawing + * too much current from the VBUS line, or due to the + * AVR's power source being unable to supply sufficient + * current. + */ + }; + + /** Enum for the error codes for the \ref EVENT_USB_Host_DeviceEnumerationFailed() event. + * + * \see \ref Group_Events for more information on this event. + */ + enum USB_Host_EnumerationErrorCodes_t + { + HOST_ENUMERROR_NoError = 0, /**< No error occurred. Used internally, this is not a valid + * ErrorCode parameter value for the \ref EVENT_USB_Host_DeviceEnumerationFailed() + * event. + */ + HOST_ENUMERROR_WaitStage = 1, /**< One of the delays between enumeration steps failed + * to complete successfully, due to a timeout or other + * error. + */ + HOST_ENUMERROR_NoDeviceDetected = 2, /**< No device was detected, despite the USB data lines + * indicating the attachment of a device. + */ + HOST_ENUMERROR_ControlError = 3, /**< One of the enumeration control requests failed to + * complete successfully. + */ + HOST_ENUMERROR_PipeConfigError = 4, /**< The default control pipe (address 0) failed to + * configure correctly. + */ + }; + + /* Inline Functions: */ + /** Returns the current USB frame number, when in host mode. Every millisecond the USB bus is active (i.e. not suspended) + * the frame number is incremented by one. + * + * \return Current USB frame number from the USB controller. + */ + static inline uint16_t USB_Host_GetFrameNumber(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t USB_Host_GetFrameNumber(void) + { + return AVR32_USBB_UHFNUM; + } + + #if !defined(NO_SOF_EVENTS) + /** Enables the host mode Start Of Frame events. When enabled, this causes the + * \ref EVENT_USB_Host_StartOfFrame() event to fire once per millisecond, synchronized to the USB bus, + * at the start of each USB frame when a device is enumerated while in host mode. + * + * \note This function is not available when the \c NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Host_EnableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_EnableSOFEvents(void) + { + USB_INT_Enable(USB_INT_HSOFI); + } + + /** Disables the host mode Start Of Frame events. When disabled, this stops the firing of the + * \ref EVENT_USB_Host_StartOfFrame() event when enumerated in host mode. + * + * \note This function is not available when the \c NO_SOF_EVENTS compile time token is defined. + */ + static inline void USB_Host_DisableSOFEvents(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_DisableSOFEvents(void) + { + USB_INT_Disable(USB_INT_HSOFI); + } + #endif + + /** Resets the USB bus, including the endpoints in any attached device and pipes on the AVR host. + * USB bus resets leave the default control pipe configured (if already configured). + * + * If the USB bus has been suspended prior to issuing a bus reset, the attached device will be + * woken up automatically and the bus resumed after the reset has been correctly issued. + */ + static inline void USB_Host_ResetBus(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ResetBus(void) + { + AVR32_USBB.UHCON.reset = true; + } + + /** Determines if a previously issued bus reset (via the \ref USB_Host_ResetBus() macro) has + * completed. + * + * \return Boolean \c true if no bus reset is currently being sent, \c false otherwise. + */ + static inline bool USB_Host_IsBusResetComplete(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsBusResetComplete(void) + { + return AVR32_USBB.UHCON.reset; + } + + /** Resumes USB communications with an attached and enumerated device, by resuming the transmission + * of the 1MS Start Of Frame messages to the device. When resumed, USB communications between the + * host and attached device may occur. + */ + static inline void USB_Host_ResumeBus(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ResumeBus(void) + { + AVR32_USBB.UHCON.sofe = true; + } + + /** Suspends the USB bus, preventing any communications from occurring between the host and attached + * device until the bus has been resumed. This stops the transmission of the 1MS Start Of Frame + * messages to the device. + * + * \note While the USB bus is suspended, all USB interrupt sources are also disabled; this means that + * some events (such as device disconnections) will not fire until the bus is resumed. + */ + static inline void USB_Host_SuspendBus(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_SuspendBus(void) + { + AVR32_USBB.UHCON.sofe = false; + } + + /** Determines if the USB bus has been suspended via the use of the \ref USB_Host_SuspendBus() macro, + * false otherwise. While suspended, no USB communications can occur until the bus is resumed, + * except for the Remote Wakeup event from the device if supported. + * + * \return Boolean \c true if the bus is currently suspended, \c false otherwise. + */ + static inline bool USB_Host_IsBusSuspended(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsBusSuspended(void) + { + return AVR32_USBB.UHCON.sofe; + } + + /** Determines if the attached device is currently enumerated in Full Speed mode (12Mb/s), or + * false if the attached device is enumerated in Low Speed mode (1.5Mb/s). + * + * \return Boolean \c true if the attached device is enumerated in Full Speed mode, \c false otherwise. + */ + static inline bool USB_Host_IsDeviceFullSpeed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsDeviceFullSpeed(void) + { + return (AVR32_USBB.USBSTA.speed == AVR32_USBB_SPEED_FULL); + } + + /** Determines if the attached device is currently issuing a Remote Wakeup request, requesting + * that the host resume the USB bus and wake up the device, \c false otherwise. + * + * \return Boolean \c true if the attached device has sent a Remote Wakeup request, \c false otherwise. + */ + static inline bool USB_Host_IsRemoteWakeupSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsRemoteWakeupSent(void) + { + return AVR32_USBB.UHINT.rxrsmi; + } + + /** Clears the flag indicating that a Remote Wakeup request has been issued by an attached device. */ + static inline void USB_Host_ClearRemoteWakeupSent(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ClearRemoteWakeupSent(void) + { + AVR32_USBB.UHINTCLR.rxrsmic = true; + } + + /** Accepts a Remote Wakeup request from an attached device. This must be issued in response to + * a device's Remote Wakeup request within 2ms for the request to be accepted and the bus to + * be resumed. + */ + static inline void USB_Host_ResumeFromWakeupRequest(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_ResumeFromWakeupRequest(void) + { + AVR32_USBB.UHCON.resume = true; + } + + /** Determines if a resume from Remote Wakeup request is currently being sent to an attached + * device. + * + * \return Boolean \c true if no resume request is currently being sent, \c false otherwise. + */ + static inline bool USB_Host_IsResumeFromWakeupRequestSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_Host_IsResumeFromWakeupRequestSent(void) + { + return AVR32_USBB.UHCON.resume; + } + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + static inline void USB_Host_HostMode_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_HostMode_On(void) + { + // Not required for UC3B + } + + static inline void USB_Host_HostMode_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_HostMode_Off(void) + { + // Not required for UC3B + } + + static inline void USB_Host_VBUS_Auto_Enable(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Auto_Enable(void) + { + AVR32_USBB.USBCON.vbushwc = false; + } + + static inline void USB_Host_VBUS_Manual_Enable(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Manual_Enable(void) + { + AVR32_USBB.USBCON.vbushwc = true; + } + + static inline void USB_Host_VBUS_Auto_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Auto_On(void) + { + AVR32_USBB.USBSTASET.vbusrqs = true; + } + + static inline void USB_Host_VBUS_Manual_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Manual_On(void) + { + AVR32_USBB.USBSTASET.vbusrqs = true; + } + + static inline void USB_Host_VBUS_Auto_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Auto_Off(void) + { + AVR32_USBB.USBSTACLR.vbusrqc = true; + } + + static inline void USB_Host_VBUS_Manual_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_Host_VBUS_Manual_Off(void) + { + AVR32_USBB.USBSTACLR.vbusrqc = true; + } + + static inline void USB_Host_SetDeviceAddress(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void USB_Host_SetDeviceAddress(const uint8_t Address) + { + AVR32_USBB.UHADDR1.uhaddr_p0 = Address; + AVR32_USBB.UHADDR1.uhaddr_p1 = Address; + AVR32_USBB.UHADDR1.uhaddr_p2 = Address; + AVR32_USBB.UHADDR1.uhaddr_p3 = Address; + AVR32_USBB.UHADDR2.uhaddr_p4 = Address; + AVR32_USBB.UHADDR2.uhaddr_p5 = Address; + AVR32_USBB.UHADDR2.uhaddr_p6 = Address; + } + + /* Enums: */ + enum USB_Host_WaitMSErrorCodes_t + { + HOST_WAITERROR_Successful = 0, + HOST_WAITERROR_DeviceDisconnect = 1, + HOST_WAITERROR_PipeError = 2, + HOST_WAITERROR_SetupStalled = 3, + }; + + /* Function Prototypes: */ + void USB_Host_ProcessNextHostState(void); + uint8_t USB_Host_WaitMS(uint8_t MS); + + #if defined(__INCLUDE_FROM_HOST_C) + static void USB_Host_ResetDevice(void); + #endif + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3/PipeStream_UC3.c b/LUFA/Drivers/USB/Core/UC3/PipeStream_UC3.c new file mode 100644 index 0000000000..27426ada0b --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/PipeStream_UC3.c @@ -0,0 +1,166 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#include "../../../../Common/Common.h" +#if (ARCH == ARCH_UC3) + +#define __INCLUDE_FROM_USB_DRIVER +#include "../USBMode.h" + +#if defined(USB_CAN_BE_HOST) + +#include "PipeStream_UC3.h" + +uint8_t Pipe_Discard_Stream(uint16_t Length, + uint16_t* const BytesProcessed) +{ + uint8_t ErrorCode; + uint16_t BytesInTransfer = 0; + + Pipe_SetPipeToken(PIPE_TOKEN_IN); + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + + if (BytesProcessed != NULL) + Length -= *BytesProcessed; + + while (Length) + { + if (!(Pipe_IsReadWriteAllowed())) + { + Pipe_ClearIN(); + + if (BytesProcessed != NULL) + { + *BytesProcessed += BytesInTransfer; + return PIPE_RWSTREAM_IncompleteTransfer; + } + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + } + else + { + Pipe_Discard_8(); + + Length--; + BytesInTransfer++; + } + } + + return PIPE_RWSTREAM_NoError; +} + +uint8_t Pipe_Null_Stream(uint16_t Length, + uint16_t* const BytesProcessed) +{ + uint8_t ErrorCode; + uint16_t BytesInTransfer = 0; + + Pipe_SetPipeToken(PIPE_TOKEN_OUT); + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + + if (BytesProcessed != NULL) + Length -= *BytesProcessed; + + while (Length) + { + if (!(Pipe_IsReadWriteAllowed())) + { + Pipe_ClearOUT(); + + if (BytesProcessed != NULL) + { + *BytesProcessed += BytesInTransfer; + return PIPE_RWSTREAM_IncompleteTransfer; + } + + USB_USBTask(); + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + } + else + { + Pipe_Write_8(0); + + Length--; + BytesInTransfer++; + } + } + + return PIPE_RWSTREAM_NoError; +} + +/* The following abuses the C preprocessor in order to copy-paste common code with slight alterations, + * so that the code needs to be written once. It is a crude form of templating to reduce code maintenance. */ + +#define TEMPLATE_FUNC_NAME Pipe_Write_Stream_LE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_TOKEN PIPE_TOKEN_OUT +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_8(*BufferPtr) +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Write_Stream_BE +#define TEMPLATE_BUFFER_TYPE const void* +#define TEMPLATE_TOKEN PIPE_TOKEN_OUT +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearOUT() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) Pipe_Write_8(*BufferPtr) +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Read_Stream_LE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_TOKEN PIPE_TOKEN_IN +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) 0 +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream += Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Pipe_Read_8() +#include "Template/Template_Pipe_RW.c" + +#define TEMPLATE_FUNC_NAME Pipe_Read_Stream_BE +#define TEMPLATE_BUFFER_TYPE void* +#define TEMPLATE_TOKEN PIPE_TOKEN_IN +#define TEMPLATE_CLEAR_PIPE() Pipe_ClearIN() +#define TEMPLATE_BUFFER_OFFSET(Length) (Length - 1) +#define TEMPLATE_BUFFER_MOVE(BufferPtr, Amount) DataStream -= Amount +#define TEMPLATE_TRANSFER_BYTE(BufferPtr) *BufferPtr = Pipe_Read_8() +#include "Template/Template_Pipe_RW.c" + +#endif + +#endif diff --git a/LUFA/Drivers/USB/Core/UC3/PipeStream_UC3.h b/LUFA/Drivers/USB/Core/UC3/PipeStream_UC3.h new file mode 100644 index 0000000000..cc34442084 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/PipeStream_UC3.h @@ -0,0 +1,352 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief Pipe data stream transmission and reception management for the AVR32 UC3 microcontrollers. + * \copydetails Group_PipeStreamRW_UC3 + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_PipeStreamRW + * \defgroup Group_PipeStreamRW_UC3 Read/Write of Multi-Byte Streams (UC3) + * \brief Pipe data stream transmission and reception management for the Atmel AVR32 UC3 architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing of data streams from + * and to pipes. + * + * @{ + */ + +#ifndef __PIPE_STREAM_UC3_H__ +#define __PIPE_STREAM_UC3_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../USBMode.h" + #include "../USBTask.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Public Interface - May be used in end-application: */ + /* Function Prototypes: */ + /** \name Stream functions for null data */ + //@{ + + /** Reads and discards the given number of bytes from the pipe, discarding fully read packets from the host + * as needed. The last packet is not automatically discarded once the remaining bytes has been read; the + * user is responsible for manually discarding the last packet from the device via the \ref Pipe_ClearIN() macro. + * + * If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once, failing or + * succeeding as a single unit. If the BytesProcessed parameter points to a valid storage location, the transfer + * will instead be performed as a series of chunks. Each time the pipe bank becomes empty while there is still data + * to process (and after the current packet has been acknowledged) the BytesProcessed location will be updated with + * the total number of bytes processed in the stream, and the function will exit with an error code of + * \ref PIPE_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed in the user code - to + * continue the transfer, call the function again with identical parameters and it will resume until the BytesProcessed + * value reaches the total transfer length. + * + * <b>Single Stream Transfer Example:</b> + * \code + * uint8_t ErrorCode; + * + * if ((ErrorCode = Pipe_Discard_Stream(512, NULL)) != PIPE_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * <b>Partial Stream Transfers Example:</b> + * \code + * uint8_t ErrorCode; + * uint16_t BytesProcessed; + * + * BytesProcessed = 0; + * while ((ErrorCode = Pipe_Discard_Stream(512, &BytesProcessed)) == PIPE_RWSTREAM_IncompleteTransfer) + * { + * // Stream not yet complete - do other actions here, abort if required + * } + * + * if (ErrorCode != PIPE_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * \note The pipe token is set automatically, thus this can be used on bi-directional pipes directly without + * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken(). + * + * \param[in] Length Number of bytes to discard via the currently selected pipe. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes already processed should + * updated, \c NULL if the entire stream should be processed at once. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Discard_Stream(uint16_t Length, + uint16_t* const BytesProcessed); + + /** Writes a given number of zeroed bytes to the pipe, sending full pipe packets from the host to the device + * as needed. The last packet is not automatically sent once the remaining bytes has been written; the + * user is responsible for manually discarding the last packet from the device via the \ref Pipe_ClearOUT() macro. + * + * If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once, failing or + * succeeding as a single unit. If the BytesProcessed parameter points to a valid storage location, the transfer + * will instead be performed as a series of chunks. Each time the pipe bank becomes full while there is still data + * to process (and after the current packet transmission has been initiated) the BytesProcessed location will be + * updated with the total number of bytes processed in the stream, and the function will exit with an error code of + * \ref PIPE_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed in the user code - to + * continue the transfer, call the function again with identical parameters and it will resume until the BytesProcessed + * value reaches the total transfer length. + * + * <b>Single Stream Transfer Example:</b> + * \code + * uint8_t ErrorCode; + * + * if ((ErrorCode = Pipe_Null_Stream(512, NULL)) != PIPE_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * <b>Partial Stream Transfers Example:</b> + * \code + * uint8_t ErrorCode; + * uint16_t BytesProcessed; + * + * BytesProcessed = 0; + * while ((ErrorCode = Pipe_Null_Stream(512, &BytesProcessed)) == PIPE_RWSTREAM_IncompleteTransfer) + * { + * // Stream not yet complete - do other actions here, abort if required + * } + * + * if (ErrorCode != PIPE_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * \note The pipe token is set automatically, thus this can be used on bi-directional pipes directly without + * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken(). + * + * \param[in] Length Number of zero bytes to write via the currently selected pipe. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes already processed should + * updated, \c NULL if the entire stream should be processed at once. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Null_Stream(uint16_t Length, + uint16_t* const BytesProcessed); + + //@} + + /** \name Stream functions for RAM source/destination data */ + //@{ + + /** Writes the given number of bytes to the pipe from the given buffer in little endian, + * sending full packets to the device as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Pipe_ClearOUT() macro. Between each USB packet, the given stream callback function is + * executed repeatedly until the next packet is ready, allowing for early aborts of stream transfers. + * + * If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once, + * failing or succeeding as a single unit. If the BytesProcessed parameter points to a valid + * storage location, the transfer will instead be performed as a series of chunks. Each time + * the pipe bank becomes full while there is still data to process (and after the current + * packet transmission has been initiated) the BytesProcessed location will be updated with the + * total number of bytes processed in the stream, and the function will exit with an error code of + * \ref PIPE_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed + * in the user code - to continue the transfer, call the function again with identical parameters + * and it will resume until the BytesProcessed value reaches the total transfer length. + * + * <b>Single Stream Transfer Example:</b> + * \code + * uint8_t DataStream[512]; + * uint8_t ErrorCode; + * + * if ((ErrorCode = Pipe_Write_Stream_LE(DataStream, sizeof(DataStream), + * NULL)) != PIPE_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * <b>Partial Stream Transfers Example:</b> + * \code + * uint8_t DataStream[512]; + * uint8_t ErrorCode; + * uint16_t BytesProcessed; + * + * BytesProcessed = 0; + * while ((ErrorCode = Pipe_Write_Stream_LE(DataStream, sizeof(DataStream), + * &BytesProcessed)) == PIPE_RWSTREAM_IncompleteTransfer) + * { + * // Stream not yet complete - do other actions here, abort if required + * } + * + * if (ErrorCode != PIPE_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * \note The pipe token is set automatically, thus this can be used on bi-directional pipes directly without + * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken(). + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected pipe into the buffer. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes already processed should + * updated, \c NULL if the entire stream should be written at once. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Write_Stream_LE(const void* const Buffer, + uint16_t Length, + uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1); + + /** Writes the given number of bytes to the pipe from the given buffer in big endian, + * sending full packets to the device as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Pipe_ClearOUT() macro. Between each USB packet, the given stream callback function is + * executed repeatedly until the next packet is ready, allowing for early aborts of stream transfers. + * + * \note The pipe token is set automatically, thus this can be used on bi-directional pipes directly without + * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken(). + * + * \param[in] Buffer Pointer to the source data buffer to read from. + * \param[in] Length Number of bytes to read for the currently selected pipe into the buffer. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes already processed should + * updated, \c NULL if the entire stream should be written at once. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Write_Stream_BE(const void* const Buffer, + uint16_t Length, + uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the pipe into the given buffer in little endian, + * sending full packets to the device as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Pipe_ClearIN() macro. Between each USB packet, the given stream callback function is + * executed repeatedly until the next packet is ready, allowing for early aborts of stream transfers. + * + * If the BytesProcessed parameter is \c NULL, the entire stream transfer is attempted at once, + * failing or succeeding as a single unit. If the BytesProcessed parameter points to a valid + * storage location, the transfer will instead be performed as a series of chunks. Each time + * the pipe bank becomes empty while there is still data to process (and after the current + * packet has been acknowledged) the BytesProcessed location will be updated with the total number + * of bytes processed in the stream, and the function will exit with an error code of + * \ref PIPE_RWSTREAM_IncompleteTransfer. This allows for any abort checking to be performed + * in the user code - to continue the transfer, call the function again with identical parameters + * and it will resume until the BytesProcessed value reaches the total transfer length. + * + * <b>Single Stream Transfer Example:</b> + * \code + * uint8_t DataStream[512]; + * uint8_t ErrorCode; + * + * if ((ErrorCode = Pipe_Read_Stream_LE(DataStream, sizeof(DataStream), + * NULL)) != PIPE_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * <b>Partial Stream Transfers Example:</b> + * \code + * uint8_t DataStream[512]; + * uint8_t ErrorCode; + * uint16_t BytesProcessed; + * + * BytesProcessed = 0; + * while ((ErrorCode = Pipe_Read_Stream_LE(DataStream, sizeof(DataStream), + * &BytesProcessed)) == PIPE_RWSTREAM_IncompleteTransfer) + * { + * // Stream not yet complete - do other actions here, abort if required + * } + * + * if (ErrorCode != PIPE_RWSTREAM_NoError) + * { + * // Stream failed to complete - check ErrorCode here + * } + * \endcode + * + * \note The pipe token is set automatically, thus this can be used on bi-directional pipes directly without + * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken(). + * + * \param[out] Buffer Pointer to the source data buffer to write to. + * \param[in] Length Number of bytes to read for the currently selected pipe to read from. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes already processed should + * updated, \c NULL if the entire stream should be read at once. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Read_Stream_LE(void* const Buffer, + uint16_t Length, + uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1); + + /** Reads the given number of bytes from the pipe into the given buffer in big endian, + * sending full packets to the device as needed. The last packet filled is not automatically sent; + * the user is responsible for manually sending the last written packet to the host via the + * \ref Pipe_ClearIN() macro. Between each USB packet, the given stream callback function is + * executed repeatedly until the next packet is ready, allowing for early aborts of stream transfers. + * + * \note The pipe token is set automatically, thus this can be used on bi-directional pipes directly without + * having to explicitly change the data direction with a call to \ref Pipe_SetPipeToken(). + * + * \param[out] Buffer Pointer to the source data buffer to write to. + * \param[in] Length Number of bytes to read for the currently selected pipe to read from. + * \param[in] BytesProcessed Pointer to a location where the total number of bytes already processed should + * updated, \c NULL if the entire stream should be read at once. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t Pipe_Read_Stream_BE(void* const Buffer, + uint16_t Length, + uint16_t* const BytesProcessed) ATTR_NON_NULL_PTR_ARG(1); + //@} + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.c b/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.c new file mode 100644 index 0000000000..73cf360783 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.c @@ -0,0 +1,209 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#include "../../../../Common/Common.h" +#if (ARCH == ARCH_UC3) + +#define __INCLUDE_FROM_USB_DRIVER +#include "../USBMode.h" + +#if defined(USB_CAN_BE_HOST) + +#include "../Pipe.h" + +uint8_t USB_Host_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE; + +volatile uint32_t USB_Pipe_SelectedPipe = PIPE_CONTROLPIPE; +volatile uint8_t* USB_Pipe_FIFOPos[PIPE_TOTAL_PIPES]; + +bool Pipe_ConfigurePipeTable(const USB_Pipe_Table_t* const Table, + const uint8_t Entries) +{ + for (uint8_t i = 0; i < Entries; i++) + { + if (!(Table[i].Address)) + continue; + + if (!(Pipe_ConfigurePipe(Table[i].Address, Table[i].Type, Table[i].EndpointAddress, Table[i].Size, Table[i].Banks))) + { + return false; + } + } + + return true; +} + +bool Pipe_ConfigurePipe(const uint8_t Address, + const uint8_t Type, + const uint8_t EndpointAddress, + const uint16_t Size, + const uint8_t Banks) +{ + uint8_t Number = (Address & PIPE_EPNUM_MASK); + uint8_t Token = (Address & PIPE_DIR_IN) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT; + + if (Number >= PIPE_TOTAL_PIPES) + return false; + + if (Type == EP_TYPE_CONTROL) + Token = PIPE_TOKEN_SETUP; + + USB_Pipe_FIFOPos[Number] = &AVR32_USBB_SLAVE[Number * PIPE_HSB_ADDRESS_SPACE_SIZE]; + +#if defined(ORDERED_EP_CONFIG) + Pipe_SelectPipe(Number); + Pipe_EnablePipe(); + + (&AVR32_USBB.upcfg0)[Number] = 0; + (&AVR32_USBB.upcfg0)[Number] = (AVR32_USBB_ALLOC_MASK | + ((uint32_t)Type << AVR32_USBB_PTYPE_OFFSET) | + ((uint32_t)Token << AVR32_USBB_PTOKEN_OFFSET) | + ((Banks > 1) ? AVR32_USBB_PBK_MASK : 0) | + Pipe_BytesToEPSizeMask(Size) | + ((uint32_t)Number << AVR32_USBB_PEPNUM_OFFSET)); + + Pipe_SetInfiniteINRequests(); + + return Pipe_IsConfigured(); +#else + for (uint8_t PNum = Number; PNum < PIPE_TOTAL_PIPES; PNum++) + { + uint32_t UPCFG0Temp; + + Pipe_SelectPipe(PNum); + + if (PNum == Number) + { + UPCFG0Temp = (AVR32_USBB_ALLOC_MASK | + ((uint32_t)Type << AVR32_USBB_PTYPE_OFFSET) | + ((uint32_t)Token << AVR32_USBB_PTOKEN_OFFSET) | + ((Banks > 1) ? AVR32_USBB_PBK_MASK : 0) | + Pipe_BytesToEPSizeMask(Size) | + ((EndpointAddress & PIPE_EPNUM_MASK) << AVR32_USBB_PEPNUM_OFFSET)); + } + else + { + UPCFG0Temp = (&AVR32_USBB.upcfg0)[PNum]; + } + + if (!(UPCFG0Temp & AVR32_USBB_ALLOC_MASK)) + continue; + + Pipe_DisablePipe(); + (&AVR32_USBB.upcfg0)[PNum] &= ~AVR32_USBB_ALLOC_MASK; + + Pipe_EnablePipe(); + (&AVR32_USBB.upcfg0)[PNum] = UPCFG0Temp; + + Pipe_SetInfiniteINRequests(); + + if (!(Pipe_IsConfigured())) + return false; + } + + Pipe_SelectPipe(Number); + return true; +#endif +} + +void Pipe_ClearPipes(void) +{ + for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++) + { + Pipe_SelectPipe(PNum); + (&AVR32_USBB.upcfg0)[PNum] = 0; + (&AVR32_USBB.upcon0clr)[PNum] = -1; + USB_Pipe_FIFOPos[PNum] = &AVR32_USBB_SLAVE[PNum * 0x10000]; + Pipe_DisablePipe(); + } +} + +bool Pipe_IsEndpointBound(const uint8_t EndpointAddress) +{ + uint8_t PrevPipeNumber = Pipe_GetCurrentPipe(); + + for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++) + { + Pipe_SelectPipe(PNum); + + if (!(Pipe_IsConfigured())) + continue; + + if (Pipe_GetBoundEndpointAddress() == EndpointAddress) + return true; + } + + Pipe_SelectPipe(PrevPipeNumber); + return false; +} + +uint8_t Pipe_WaitUntilReady(void) +{ + #if (USB_STREAM_TIMEOUT_MS < 0xFF) + uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; + #else + uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; + #endif + + uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber(); + + for (;;) + { + if (Pipe_GetPipeToken() == PIPE_TOKEN_IN) + { + if (Pipe_IsINReceived()) + return PIPE_READYWAIT_NoError; + } + else + { + if (Pipe_IsOUTReady()) + return PIPE_READYWAIT_NoError; + } + + if (Pipe_IsStalled()) + return PIPE_READYWAIT_PipeStalled; + else if (USB_HostState == HOST_STATE_Unattached) + return PIPE_READYWAIT_DeviceDisconnected; + + uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber(); + + if (CurrentFrameNumber != PreviousFrameNumber) + { + PreviousFrameNumber = CurrentFrameNumber; + + if (!(TimeoutMSRem--)) + return PIPE_READYWAIT_Timeout; + } + } +} + +#endif + +#endif diff --git a/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h b/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h new file mode 100644 index 0000000000..12e0dcd62d --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h @@ -0,0 +1,924 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Pipe definitions for the AVR32 UC3 microcontrollers. + * \copydetails Group_PipeManagement_UC3 + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_PipeRW + * \defgroup Group_PipeRW_UC3 Pipe Data Reading and Writing (UC3) + * \brief Pipe data read/write definitions for the Atmel AVR32 UC3 architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing from and to pipes. + */ + +/** \ingroup Group_PipePrimitiveRW + * \defgroup Group_PipePrimitiveRW_UC3 Read/Write of Primitive Data Types (UC3) + * \brief Pipe primitive data read/write definitions for the Atmel AVR32 UC3 architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing of primitive data types + * from and to pipes. + */ + +/** \ingroup Group_PipePacketManagement + * \defgroup Group_PipePacketManagement_UC3 Pipe Packet Management (UC3) + * \brief Pipe packet management definitions for the Atmel AVR32 UC3 architecture. + * + * Functions, macros, variables, enums and types related to packet management of pipes. + */ + +/** \ingroup Group_PipeControlReq + * \defgroup Group_PipeControlReq_UC3 Pipe Control Request Management (UC3) + * \brief Pipe control request management definitions for the Atmel AVR32 UC3 architecture. + * + * Module for host mode request processing. This module allows for the transmission of standard, class and + * vendor control requests to the default control endpoint of an attached device while in host mode. + * + * \see Chapter 9 of the USB 2.0 specification. + */ + +/** \ingroup Group_PipeManagement + * \defgroup Group_PipeManagement_UC3 Pipe Management (UC3) + * \brief Pipe management definitions for the Atmel AVR32 UC3 architecture. + * + * This module contains functions, macros and enums related to pipe management when in USB Host mode. This + * module contains the pipe management macros, as well as pipe interrupt and data send/receive functions + * for various data types. + * + * @{ + */ + +#ifndef __PIPE_UC3_H__ +#define __PIPE_UC3_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../USBTask.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define PIPE_HSB_ADDRESS_SPACE_SIZE (64 * 1024UL) + + /* External Variables: */ + extern volatile uint32_t USB_Pipe_SelectedPipe; + extern volatile uint8_t* USB_Pipe_FIFOPos[]; + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** \name Pipe Error Flag Masks */ + //@{ + /** Mask for \ref Pipe_GetErrorFlags(), indicating that an overflow error occurred in the pipe on the received data. */ + #define PIPE_ERRORFLAG_OVERFLOW (AVR32_USBB_UPSTA0_OVERFI_MASK << 8) + + /** Mask for \ref Pipe_GetErrorFlags(), indicating that a CRC error occurred in the pipe on the received data. */ + #define PIPE_ERRORFLAG_CRC16 AVR32_USBB_UPERR0_CRC16_MASK + + /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware timeout error occurred in the pipe. */ + #define PIPE_ERRORFLAG_TIMEOUT AVR32_USBB_UPERR0_TIMEOUT_MASK + + /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware PID error occurred in the pipe. */ + #define PIPE_ERRORFLAG_PID AVR32_USBB_UPERR0_PID_MASK + + /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware data PID error occurred in the pipe. */ + #define PIPE_ERRORFLAG_DATAPID AVR32_USBB_UPERR0_DATAPID_MASK + + /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware data toggle error occurred in the pipe. */ + #define PIPE_ERRORFLAG_DATATGL AVR32_USBB_UPERR0_DATATGL_MASK + //@} + + /** \name Pipe Token Masks */ + //@{ + /** Token mask for \ref Pipe_SetPipeToken() and \ref Pipe_GetPipeToken(). This sets the pipe as a SETUP token (for CONTROL type pipes), + * which will trigger a control request on the attached device when data is written to the pipe. + */ + #define PIPE_TOKEN_SETUP AVR32_USBB_UPCFG0_PTOKEN_SETUP + + /** Token mask for \ref Pipe_SetPipeToken() and \ref Pipe_GetPipeToken(). This sets the pipe as a IN token (for non-CONTROL type pipes), + * indicating that the pipe data will flow from device to host. + */ + #define PIPE_TOKEN_IN AVR32_USBB_UPCFG0_PTOKEN_IN + + /** Token mask for \ref Pipe_SetPipeToken() and \ref Pipe_GetPipeToken(). This sets the pipe as a OUT token (for non-CONTROL type pipes), + * indicating that the pipe data will flow from host to device. + */ + #define PIPE_TOKEN_OUT AVR32_USBB_UPCFG0_PTOKEN_OUT + //@} + + /** Default size of the default control pipe's bank, until altered by the Endpoint0Size value + * in the device descriptor of the attached device. + */ + #define PIPE_CONTROLPIPE_DEFAULT_SIZE 64 + + #if defined(USB_SERIES_UC3A3_AVR32) || defined(USB_SERIES_UC3A4_AVR32) || defined(__DOXYGEN__) + /** Total number of pipes (including the default control pipe at address 0) which may be used in + * the device. + */ + #define PIPE_TOTAL_PIPES 8 + #else + #define PIPE_TOTAL_PIPES 7 + #endif + + /** Size in bytes of the largest pipe bank size possible in the device. Not all banks on each AVR + * model supports the largest bank size possible on the device; different pipe numbers support + * different maximum bank sizes. This value reflects the largest possible bank of any pipe on the + * currently selected UC3 AVR model. + */ + #define PIPE_MAX_SIZE 256 + + /* Enums: */ + /** Enum for the possible error return codes of the \ref Pipe_WaitUntilReady() function. + * + * \ingroup Group_PipeRW_UC3 + */ + enum Pipe_WaitUntilReady_ErrorCodes_t + { + PIPE_READYWAIT_NoError = 0, /**< Pipe ready for next packet, no error. */ + PIPE_READYWAIT_PipeStalled = 1, /**< The device stalled the pipe while waiting. */ + PIPE_READYWAIT_DeviceDisconnected = 2, /**< Device was disconnected from the host while waiting. */ + PIPE_READYWAIT_Timeout = 3, /**< The device failed to accept or send the next packet + * within the software timeout period set by the + * \ref USB_STREAM_TIMEOUT_MS macro. + */ + }; + + /* Inline Functions: */ + /** Indicates the number of bytes currently stored in the current pipes's selected bank. + * + * \ingroup Group_PipeRW_UC3 + * + * \return Total number of bytes in the currently selected pipe's FIFO buffer. + */ + static inline uint16_t Pipe_BytesInPipe(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Pipe_BytesInPipe(void) + { + return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].pbyct; + } + + /** Determines the currently selected pipe's direction. + * + * \return The currently selected pipe's direction, as a \c PIPE_DIR_* mask. + */ + static inline uint8_t Pipe_GetPipeDirection(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_GetPipeDirection(void) + { + return (((&AVR32_USBB.UPCFG0)[USB_Pipe_SelectedPipe].ptoken == PIPE_TOKEN_OUT) ? PIPE_DIR_OUT : PIPE_DIR_IN); + } + + /** Returns the pipe address of the currently selected pipe. This is typically used to save the + * currently selected pipe number so that it can be restored after another pipe has been manipulated. + * + * \return Index of the currently selected pipe. + */ + static inline uint8_t Pipe_GetCurrentPipe(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_GetCurrentPipe(void) + { + return (USB_Pipe_SelectedPipe | Pipe_GetPipeDirection()); + } + + /** Selects the given pipe address. Any pipe operations which do not require the pipe address to be + * indicated will operate on the currently selected pipe. + * + * \param[in] Address Address of the pipe to select. + */ + static inline void Pipe_SelectPipe(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void Pipe_SelectPipe(const uint8_t Address) + { + USB_Pipe_SelectedPipe = (Address & PIPE_EPNUM_MASK); + } + + /** Resets the desired pipe, including the pipe banks and flags. + * + * \param[in] Address Index of the pipe to reset. + */ + static inline void Pipe_ResetPipe(const uint8_t Address) ATTR_ALWAYS_INLINE; + static inline void Pipe_ResetPipe(const uint8_t Address) + { + uint32_t PipeNumber = (Address & PIPE_EPNUM_MASK); + + AVR32_USBB.uprst |= (AVR32_USBB_PRST0_MASK << PipeNumber); + AVR32_USBB.uprst &= ~(AVR32_USBB_PRST0_MASK << PipeNumber); + USB_Pipe_FIFOPos[PipeNumber] = &AVR32_USBB_SLAVE[PipeNumber * PIPE_HSB_ADDRESS_SPACE_SIZE]; + } + + /** Enables the currently selected pipe so that data can be sent and received through it to and from + * an attached device. + * + * \pre The currently selected pipe must first be configured properly via \ref Pipe_ConfigurePipe(). + */ + static inline void Pipe_EnablePipe(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_EnablePipe(void) + { + AVR32_USBB.uprst |= (AVR32_USBB_PEN0_MASK << USB_Pipe_SelectedPipe); + } + + /** Disables the currently selected pipe so that data cannot be sent and received through it to and + * from an attached device. + */ + static inline void Pipe_DisablePipe(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_DisablePipe(void) + { + AVR32_USBB.uprst &= ~(AVR32_USBB_PEN0_MASK << USB_Pipe_SelectedPipe); + } + + /** Determines if the currently selected pipe is enabled, but not necessarily configured. + * + * \return Boolean \c true if the currently selected pipe is enabled, \c false otherwise. + */ + static inline bool Pipe_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsEnabled(void) + { + return ((AVR32_USBB.uprst & (AVR32_USBB_PEN0_MASK << USB_Pipe_SelectedPipe)) ? true : false); + } + + /** Gets the current pipe token, indicating the pipe's data direction and type. + * + * \return The current pipe token, as a \c PIPE_TOKEN_* mask. + */ + static inline uint8_t Pipe_GetPipeToken(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_GetPipeToken(void) + { + return (&AVR32_USBB.UPCFG0)[USB_Pipe_SelectedPipe].ptoken; + } + + /** Sets the token for the currently selected pipe to one of the tokens specified by the \c PIPE_TOKEN_* + * masks. This can be used on CONTROL type pipes, to allow for bidirectional transfer of data during + * control requests, or on regular pipes to allow for half-duplex bidirectional data transfer to devices + * which have two endpoints of opposite direction sharing the same endpoint address within the device. + * + * \param[in] Token New pipe token to set the selected pipe to, as a \c PIPE_TOKEN_* mask. + */ + static inline void Pipe_SetPipeToken(const uint8_t Token) ATTR_ALWAYS_INLINE; + static inline void Pipe_SetPipeToken(const uint8_t Token) + { + (&AVR32_USBB.UPCFG0)[USB_Pipe_SelectedPipe].ptoken = Token; + } + + /** Configures the currently selected pipe to allow for an unlimited number of IN requests. */ + static inline void Pipe_SetInfiniteINRequests(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_SetInfiniteINRequests(void) + { + (&AVR32_USBB.UPINRQ0)[USB_Pipe_SelectedPipe].inmode = true; + } + + /** Configures the currently selected pipe to only allow the specified number of IN requests to be + * accepted by the pipe before it is automatically frozen. + * + * \param[in] TotalINRequests Total number of IN requests that the pipe may receive before freezing. + */ + static inline void Pipe_SetFiniteINRequests(const uint8_t TotalINRequests) ATTR_ALWAYS_INLINE; + static inline void Pipe_SetFiniteINRequests(const uint8_t TotalINRequests) + { + (&AVR32_USBB.UPINRQ0)[USB_Pipe_SelectedPipe].inmode = false; + (&AVR32_USBB.UPINRQ0)[USB_Pipe_SelectedPipe].inrq = TotalINRequests; + } + + /** Determines if the currently selected pipe is configured. + * + * \return Boolean \c true if the selected pipe is configured, \c false otherwise. + */ + static inline bool Pipe_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsConfigured(void) + { + return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].cfgok; + } + + /** Retrieves the endpoint address of the endpoint within the attached device that the currently selected + * pipe is bound to. + * + * \return Endpoint address the currently selected pipe is bound to. + */ + static inline uint8_t Pipe_GetBoundEndpointAddress(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_GetBoundEndpointAddress(void) + { + return ((&AVR32_USBB.UPCFG0)[USB_Pipe_SelectedPipe].pepnum | + ((Pipe_GetPipeToken() == PIPE_TOKEN_IN) ? PIPE_DIR_IN : PIPE_DIR_OUT)); + } + + /** Sets the period between interrupts for an INTERRUPT type pipe to a specified number of milliseconds. + * + * \param[in] Milliseconds Number of milliseconds between each pipe poll. + */ + static inline void Pipe_SetInterruptPeriod(const uint8_t Milliseconds) ATTR_ALWAYS_INLINE; + static inline void Pipe_SetInterruptPeriod(const uint8_t Milliseconds) + { + (&AVR32_USBB.UPCFG0)[USB_Pipe_SelectedPipe].intfrq = Milliseconds; + } + + /** Returns a mask indicating which pipe's interrupt periods have elapsed, indicating that the pipe should + * be serviced. + * + * \return Mask whose bits indicate which pipes have interrupted. + */ + static inline uint8_t Pipe_GetPipeInterrupts(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_GetPipeInterrupts(void) + { + return ((AVR32_USBB.uhint & (AVR32_USBB_P6INT_MASK | AVR32_USBB_P5INT_MASK | + AVR32_USBB_P4INT_MASK | AVR32_USBB_P3INT_MASK | + AVR32_USBB_P2INT_MASK | AVR32_USBB_P1INT_MASK | + AVR32_USBB_P0INT_MASK)) >> AVR32_USBB_P0INT_OFFSET); + } + + /** Determines if the specified pipe address has interrupted (valid only for INTERRUPT type + * pipes). + * + * \param[in] Address Address of the pipe whose interrupt flag should be tested. + * + * \return Boolean \c true if the specified pipe has interrupted, \c false otherwise. + */ + static inline bool Pipe_HasPipeInterrupted(const uint8_t Address) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_HasPipeInterrupted(const uint8_t Address) + { + return ((AVR32_USBB.uhint & (AVR32_USBB_P0INTES_MASK << (Address & PIPE_EPNUM_MASK))) ? true : false); + } + + /** Unfreezes the selected pipe, allowing it to communicate with an attached device. */ + static inline void Pipe_Unfreeze(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_Unfreeze(void) + { + (&AVR32_USBB.UPCON0CLR)[USB_Pipe_SelectedPipe].pfreezec = true; + } + + /** Freezes the selected pipe, preventing it from communicating with an attached device. */ + static inline void Pipe_Freeze(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_Freeze(void) + { + (&AVR32_USBB.UPCON0SET)[USB_Pipe_SelectedPipe].pfreezes = true; + } + + /** Determines if the currently selected pipe is frozen, and not able to accept data. + * + * \return Boolean \c true if the currently selected pipe is frozen, \c false otherwise. + */ + static inline bool Pipe_IsFrozen(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsFrozen(void) + { + return (((&AVR32_USBB.UPCON0)[USB_Pipe_SelectedPipe].pfreeze) ? true : false); + } + + /** Clears the error flags for the currently selected pipe. */ + static inline void Pipe_ClearError(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearError(void) + { + (&AVR32_USBB.uperr0)[USB_Pipe_SelectedPipe] = 0; + (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].overfic = true; + } + + /** Determines if the master pipe error flag is set for the currently selected pipe, indicating that + * some sort of hardware error has occurred on the pipe. + * + * \see \ref Pipe_GetErrorFlags() macro for information on retrieving the exact error flag. + * + * \return Boolean \c true if an error has occurred on the selected pipe, \c false otherwise. + */ + static inline bool Pipe_IsError(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsError(void) + { + return (((&AVR32_USBB.upsta0)[USB_Pipe_SelectedPipe] & + (AVR32_USBB_PERRI_MASK | AVR32_USBB_OVERFI_MASK)) ? true : false); + } + + /** Gets a mask of the hardware error flags which have occurred on the currently selected pipe. This + * value can then be masked against the \c PIPE_ERRORFLAG_* masks to determine what error has occurred. + * + * \return Mask comprising of \c PIPE_ERRORFLAG_* bits indicating what error has occurred on the selected pipe. + */ + static inline uint8_t Pipe_GetErrorFlags(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_GetErrorFlags(void) + { + + return (((&AVR32_USBB.uperr0)[USB_Pipe_SelectedPipe] & + (PIPE_ERRORFLAG_CRC16 | PIPE_ERRORFLAG_TIMEOUT | + PIPE_ERRORFLAG_PID | PIPE_ERRORFLAG_DATAPID | + PIPE_ERRORFLAG_DATATGL)) | + (((&AVR32_USBB.upsta0)[USB_Pipe_SelectedPipe] << 8) & + PIPE_ERRORFLAG_OVERFLOW)); + } + + /** Retrieves the number of busy banks in the currently selected pipe, which have been queued for + * transmission via the \ref Pipe_ClearOUT() command, or are awaiting acknowledgement via the + * \ref Pipe_ClearIN() command. + * + * \ingroup Group_PipePacketManagement_UC3 + * + * \return Total number of busy banks in the selected pipe. + */ + static inline uint8_t Pipe_GetBusyBanks(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_GetBusyBanks(void) + { + return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].nbusybk; + } + + /** Determines if the currently selected pipe may be read from (if data is waiting in the pipe + * bank and the pipe is an IN direction, or if the bank is not yet full if the pipe is an OUT + * direction). This function will return false if an error has occurred in the pipe, or if the pipe + * is an IN direction and no packet (or an empty packet) has been received, or if the pipe is an OUT + * direction and the pipe bank is full. + * + * \note This function is not valid on CONTROL type pipes. + * + * \ingroup Group_PipePacketManagement_UC3 + * + * \return Boolean \c true if the currently selected pipe may be read from or written to, depending + * on its direction. + */ + static inline bool Pipe_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsReadWriteAllowed(void) + { + return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].rwall; + } + + /** Determines if a packet has been received on the currently selected IN pipe from the attached device. + * + * \ingroup Group_PipePacketManagement_UC3 + * + * \return Boolean \c true if the current pipe has received an IN packet, \c false otherwise. + */ + static inline bool Pipe_IsINReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsINReceived(void) + { + return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].rxini; + } + + /** Determines if the currently selected OUT pipe is ready to send an OUT packet to the attached device. + * + * \ingroup Group_PipePacketManagement_UC3 + * + * \return Boolean \c true if the current pipe is ready for an OUT packet, \c false otherwise. + */ + static inline bool Pipe_IsOUTReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsOUTReady(void) + { + return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].txouti; + } + + /** Determines if no SETUP request is currently being sent to the attached device on the selected + * CONTROL type pipe. + * + * \ingroup Group_PipePacketManagement_UC3 + * + * \return Boolean \c true if the current pipe is ready for a SETUP packet, \c false otherwise. + */ + static inline bool Pipe_IsSETUPSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsSETUPSent(void) + { + return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].txstpi; + } + + /** Sends the currently selected CONTROL type pipe's contents to the device as a SETUP packet. + * + * \ingroup Group_PipePacketManagement_UC3 + */ + static inline void Pipe_ClearSETUP(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearSETUP(void) + { + (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].txstpic = true; + (&AVR32_USBB.UPCON0CLR)[USB_Pipe_SelectedPipe].fifoconc = true; + USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe] = &AVR32_USBB_SLAVE[USB_Pipe_SelectedPipe * PIPE_HSB_ADDRESS_SPACE_SIZE]; + } + + /** Acknowledges the reception of a setup IN request from the attached device on the currently selected + * pipe, freeing the bank ready for the next packet. + * + * \ingroup Group_PipePacketManagement_UC3 + */ + static inline void Pipe_ClearIN(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearIN(void) + { + (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].rxinic = true; + (&AVR32_USBB.UPCON0CLR)[USB_Pipe_SelectedPipe].fifoconc = true; + USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe] = &AVR32_USBB_SLAVE[USB_Pipe_SelectedPipe * PIPE_HSB_ADDRESS_SPACE_SIZE]; + } + + /** Sends the currently selected pipe's contents to the device as an OUT packet on the selected pipe, freeing + * the bank ready for the next packet. + * + * \ingroup Group_PipePacketManagement_UC3 + */ + static inline void Pipe_ClearOUT(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearOUT(void) + { + (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].txoutic = true; + (&AVR32_USBB.UPCON0CLR)[USB_Pipe_SelectedPipe].fifoconc = true; + USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe] = &AVR32_USBB_SLAVE[USB_Pipe_SelectedPipe * PIPE_HSB_ADDRESS_SPACE_SIZE]; + } + + /** Determines if the device sent a NAK (Negative Acknowledge) in response to the last sent packet on + * the currently selected pipe. This occurs when the host sends a packet to the device, but the device + * is not currently ready to handle the packet (i.e. its endpoint banks are full). Once a NAK has been + * received, it must be cleared using \ref Pipe_ClearNAKReceived() before the previous (or any other) packet + * can be re-sent. + * + * \ingroup Group_PipePacketManagement_UC3 + * + * \return Boolean \c true if an NAK has been received on the current pipe, \c false otherwise. + */ + static inline bool Pipe_IsNAKReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsNAKReceived(void) + { + return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].nakedi; + } + + /** Clears the NAK condition on the currently selected pipe. + * + * \ingroup Group_PipePacketManagement_UC3 + * + * \see \ref Pipe_IsNAKReceived() for more details. + */ + static inline void Pipe_ClearNAKReceived(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearNAKReceived(void) + { + (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].nakedic = true; + } + + /** Determines if the currently selected pipe has had the STALL condition set by the attached device. + * + * \ingroup Group_PipePacketManagement_UC3 + * + * \return Boolean \c true if the current pipe has been stalled by the attached device, \c false otherwise. + */ + static inline bool Pipe_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Pipe_IsStalled(void) + { + return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].rxstalldi; + } + + /** Clears the STALL condition detection flag on the currently selected pipe, but does not clear the + * STALL condition itself (this must be done via a ClearFeature control request to the device). + * + * \ingroup Group_PipePacketManagement_UC3 + */ + static inline void Pipe_ClearStall(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_ClearStall(void) + { + (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].rxstalldic = true; + USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe] = &AVR32_USBB_SLAVE[USB_Pipe_SelectedPipe * PIPE_HSB_ADDRESS_SPACE_SIZE]; + } + + /** Reads one byte from the currently selected pipe's bank, for OUT direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + * + * \return Next byte in the currently selected pipe's FIFO buffer. + */ + static inline uint8_t Pipe_Read_8(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_Read_8(void) + { + return *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + } + + /** Writes one byte to the currently selected pipe's bank, for IN direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + * + * \param[in] Data Data to write into the the currently selected pipe's FIFO buffer. + */ + static inline void Pipe_Write_8(const uint8_t Data) ATTR_ALWAYS_INLINE; + static inline void Pipe_Write_8(const uint8_t Data) + { + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = Data; + } + + /** Discards one byte from the currently selected pipe's bank, for OUT direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + */ + static inline void Pipe_Discard_8(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_Discard_8(void) + { + uint8_t Dummy; + + Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + + (void)Dummy; + } + + /** Reads two bytes from the currently selected pipe's bank in little endian format, for OUT + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + * + * \return Next two bytes in the currently selected pipe's FIFO buffer. + */ + static inline uint16_t Pipe_Read_16_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Pipe_Read_16_LE(void) + { + uint16_t Byte0 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + uint16_t Byte1 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + + return ((Byte1 << 8) | Byte0); + } + + /** Reads two bytes from the currently selected pipe's bank in big endian format, for OUT + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + * + * \return Next two bytes in the currently selected pipe's FIFO buffer. + */ + static inline uint16_t Pipe_Read_16_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Pipe_Read_16_BE(void) + { + uint16_t Byte0 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + uint16_t Byte1 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + + return ((Byte0 << 8) | Byte1); + } + + /** Writes two bytes to the currently selected pipe's bank in little endian format, for IN + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected pipe's FIFO buffer. + */ + static inline void Pipe_Write_16_LE(const uint16_t Data) ATTR_ALWAYS_INLINE; + static inline void Pipe_Write_16_LE(const uint16_t Data) + { + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data & 0xFF); + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 8); + } + + /** Writes two bytes to the currently selected pipe's bank in big endian format, for IN + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected pipe's FIFO buffer. + */ + static inline void Pipe_Write_16_BE(const uint16_t Data) ATTR_ALWAYS_INLINE; + static inline void Pipe_Write_16_BE(const uint16_t Data) + { + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 8); + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data & 0xFF); + } + + /** Discards two bytes from the currently selected pipe's bank, for OUT direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + */ + static inline void Pipe_Discard_16(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_Discard_16(void) + { + uint8_t Dummy; + + Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + + (void)Dummy; + } + + /** Reads four bytes from the currently selected pipe's bank in little endian format, for OUT + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + * + * \return Next four bytes in the currently selected pipe's FIFO buffer. + */ + static inline uint32_t Pipe_Read_32_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Pipe_Read_32_LE(void) + { + uint32_t Byte0 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + uint32_t Byte1 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + uint32_t Byte2 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + uint32_t Byte3 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + + return ((Byte3 << 24) | (Byte2 << 16) | (Byte1 << 8) | Byte0); + } + + /** Reads four bytes from the currently selected pipe's bank in big endian format, for OUT + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + * + * \return Next four bytes in the currently selected pipe's FIFO buffer. + */ + static inline uint32_t Pipe_Read_32_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Pipe_Read_32_BE(void) + { + uint32_t Byte0 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + uint32_t Byte1 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + uint32_t Byte2 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + uint32_t Byte3 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + + return ((Byte0 << 24) | (Byte1 << 16) | (Byte2 << 8) | Byte3); + } + + /** Writes four bytes to the currently selected pipe's bank in little endian format, for IN + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected pipe's FIFO buffer. + */ + static inline void Pipe_Write_32_LE(const uint32_t Data) ATTR_ALWAYS_INLINE; + static inline void Pipe_Write_32_LE(const uint32_t Data) + { + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data & 0xFF); + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 8); + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 16); + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 24); + } + + /** Writes four bytes to the currently selected pipe's bank in big endian format, for IN + * direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected pipe's FIFO buffer. + */ + static inline void Pipe_Write_32_BE(const uint32_t Data) ATTR_ALWAYS_INLINE; + static inline void Pipe_Write_32_BE(const uint32_t Data) + { + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 24); + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 16); + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 8); + *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data & 0xFF); + } + + /** Discards four bytes from the currently selected pipe's bank, for OUT direction pipes. + * + * \ingroup Group_PipePrimitiveRW_UC3 + */ + static inline void Pipe_Discard_32(void) ATTR_ALWAYS_INLINE; + static inline void Pipe_Discard_32(void) + { + uint8_t Dummy; + + Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); + + (void)Dummy; + } + + /* External Variables: */ + /** Global indicating the maximum packet size of the default control pipe located at address + * 0 in the device. This value is set to the value indicated in the attached device's device + * descriptor once the USB interface is initialized into host mode and a device is attached + * to the USB bus. + * + * \attention This variable should be treated as read-only in the user application, and never manually + * changed in value. + */ + extern uint8_t USB_Host_ControlPipeSize; + + /* Function Prototypes: */ + /** Configures a table of pipe descriptions, in sequence. This function can be used to configure multiple + * pipes at the same time. + * + * \note Pipe with a zero address will be ignored, thus this function cannot be used to configure the + * control pipe. + * + * \param[in] Table Pointer to a table of pipe descriptions. + * \param[in] Entries Number of entries in the pipe table to configure. + * + * \return Boolean \c true if all pipes configured successfully, \c false otherwise. + */ + bool Pipe_ConfigurePipeTable(const USB_Pipe_Table_t* const Table, + const uint8_t Entries); + + /** Configures the specified pipe address with the given pipe type, endpoint address within the attached device, + * bank size and number of hardware banks. + * + * A newly configured pipe is frozen by default, and must be unfrozen before use via the \ref Pipe_Unfreeze() + * before being used. Pipes should be kept frozen unless waiting for data from a device while in IN mode, or + * sending data to the device in OUT mode. IN type pipes are also automatically configured to accept infinite + * numbers of IN requests without automatic freezing - this can be overridden by a call to + * \ref Pipe_SetFiniteINRequests(). + * + * \param[in] Address Pipe address to configure. + * + * \param[in] Type Type of pipe to configure, an \c EP_TYPE_* mask. Not all pipe types are available on Low + * Speed USB devices - refer to the USB 2.0 specification. + * + * \param[in] EndpointAddress Endpoint address within the attached device that the pipe should interface to. + * + * \param[in] Size Size of the pipe's bank, where packets are stored before they are transmitted to + * the USB device, or after they have been received from the USB device (depending on + * the pipe's data direction). The bank size must indicate the maximum packet size that + * the pipe can handle. + * + * \param[in] Banks Number of banks to use for the pipe being configured. + * + * \note When the \c ORDERED_EP_CONFIG compile time option is used, Pipes <b>must</b> be configured in ascending order, + * or bank corruption will occur. + * \n\n + * + * \note Certain microcontroller model's pipes may have different maximum packet sizes based on the pipe's + * index - refer to the chosen microcontroller's datasheet to determine the maximum bank size for each pipe. + * \n\n + * + * \note The default control pipe should not be manually configured by the user application, as it is + * automatically configured by the library internally. + * \n\n + * + * \note This routine will automatically select the specified pipe upon success. Upon failure, the pipe which + * failed to reconfigure correctly will be selected. + * + * \return Boolean \c true if the configuration succeeded, \c false otherwise. + */ + bool Pipe_ConfigurePipe(const uint8_t Address, + const uint8_t Type, + const uint8_t EndpointAddress, + const uint16_t Size, + const uint8_t Banks); + + /** Spin-loops until the currently selected non-control pipe is ready for the next packet of data to be read + * or written to it, aborting in the case of an error condition (such as a timeout or device disconnect). + * + * \ingroup Group_PipeRW_UC3 + * + * \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum. + */ + uint8_t Pipe_WaitUntilReady(void); + + /** Determines if a pipe has been bound to the given device endpoint address. If a pipe which is bound to the given + * endpoint is found, it is automatically selected. + * + * \param[in] EndpointAddress Address and direction mask of the endpoint within the attached device to check. + * + * \return Boolean \c true if a pipe bound to the given endpoint address of the specified direction is found, + * \c false otherwise. + */ + bool Pipe_IsEndpointBound(const uint8_t EndpointAddress) ATTR_WARN_UNUSED_RESULT; + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #if !defined(ENDPOINT_CONTROLEP) + #define ENDPOINT_CONTROLEP 0 + #endif + + /* Inline Functions: */ + static inline uint8_t Pipe_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST ATTR_ALWAYS_INLINE; + static inline uint8_t Pipe_BytesToEPSizeMask(const uint16_t Bytes) + { + uint8_t MaskVal = 0; + uint16_t CheckBytes = 8; + + while ((CheckBytes < Bytes) && (CheckBytes < PIPE_MAX_SIZE)) + { + MaskVal++; + CheckBytes <<= 1; + } + + return (MaskVal << AVR32_USBB_PSIZE_OFFSET); + } + + /* Function Prototypes: */ + void Pipe_ClearPipes(void); + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_Control_R.c b/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_Control_R.c new file mode 100644 index 0000000000..f6c4beb229 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_Control_R.c @@ -0,0 +1,84 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#if defined(TEMPLATE_FUNC_NAME) + +uint8_t TEMPLATE_FUNC_NAME (void* const Buffer, + uint16_t Length) +{ + uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length)); + + if (!(Length)) + Endpoint_ClearOUT(); + + while (Length) + { + uint8_t USB_DeviceState_LCL = USB_DeviceState; + + if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) + return ENDPOINT_RWCSTREAM_DeviceDisconnected; + else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) + return ENDPOINT_RWCSTREAM_BusSuspended; + else if (Endpoint_IsSETUPReceived()) + return ENDPOINT_RWCSTREAM_HostAborted; + + if (Endpoint_IsOUTReceived()) + { + while (Length && Endpoint_BytesInEndpoint()) + { + TEMPLATE_TRANSFER_BYTE(DataStream); + TEMPLATE_BUFFER_MOVE(DataStream, 1); + Length--; + } + + Endpoint_ClearOUT(); + } + } + + while (!(Endpoint_IsINReady())) + { + uint8_t USB_DeviceState_LCL = USB_DeviceState; + + if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) + return ENDPOINT_RWCSTREAM_DeviceDisconnected; + else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) + return ENDPOINT_RWCSTREAM_BusSuspended; + } + + return ENDPOINT_RWCSTREAM_NoError; +} + +#undef TEMPLATE_BUFFER_OFFSET +#undef TEMPLATE_BUFFER_MOVE +#undef TEMPLATE_FUNC_NAME +#undef TEMPLATE_TRANSFER_BYTE + +#endif + diff --git a/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_Control_W.c b/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_Control_W.c new file mode 100644 index 0000000000..922b58efa3 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_Control_W.c @@ -0,0 +1,95 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#if defined(TEMPLATE_FUNC_NAME) + +uint8_t TEMPLATE_FUNC_NAME (const void* const Buffer, + uint16_t Length) +{ + uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length)); + bool LastPacketFull = false; + + if (Length > USB_ControlRequest.wLength) + Length = USB_ControlRequest.wLength; + else if (!(Length)) + Endpoint_ClearIN(); + + while (Length || LastPacketFull) + { + uint8_t USB_DeviceState_LCL = USB_DeviceState; + + if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) + return ENDPOINT_RWCSTREAM_DeviceDisconnected; + else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) + return ENDPOINT_RWCSTREAM_BusSuspended; + else if (Endpoint_IsSETUPReceived()) + return ENDPOINT_RWCSTREAM_HostAborted; + else if (Endpoint_IsOUTReceived()) + break; + + if (Endpoint_IsINReady()) + { + uint16_t BytesInEndpoint = Endpoint_BytesInEndpoint(); + + while (Length && (BytesInEndpoint < USB_Device_ControlEndpointSize)) + { + TEMPLATE_TRANSFER_BYTE(DataStream); + TEMPLATE_BUFFER_MOVE(DataStream, 1); + Length--; + BytesInEndpoint++; + } + + LastPacketFull = (BytesInEndpoint == USB_Device_ControlEndpointSize); + Endpoint_ClearIN(); + } + } + + while (!(Endpoint_IsOUTReceived())) + { + uint8_t USB_DeviceState_LCL = USB_DeviceState; + + if (USB_DeviceState_LCL == DEVICE_STATE_Unattached) + return ENDPOINT_RWCSTREAM_DeviceDisconnected; + else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended) + return ENDPOINT_RWCSTREAM_BusSuspended; + else if (Endpoint_IsSETUPReceived()) + return ENDPOINT_RWCSTREAM_HostAborted; + } + + return ENDPOINT_RWCSTREAM_NoError; +} + +#undef TEMPLATE_BUFFER_OFFSET +#undef TEMPLATE_BUFFER_MOVE +#undef TEMPLATE_FUNC_NAME +#undef TEMPLATE_TRANSFER_BYTE + +#endif + diff --git a/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_RW.c b/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_RW.c new file mode 100644 index 0000000000..e55e592eb2 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Template/Template_Endpoint_RW.c @@ -0,0 +1,89 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#if defined(TEMPLATE_FUNC_NAME) + +uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE const Buffer, + uint16_t Length, + uint16_t* const BytesProcessed) +{ + uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length)); + uint16_t BytesInTransfer = 0; + uint8_t ErrorCode; + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + + if (BytesProcessed != NULL) + { + Length -= *BytesProcessed; + TEMPLATE_BUFFER_MOVE(DataStream, *BytesProcessed); + } + + while (Length) + { + if (!(Endpoint_IsReadWriteAllowed())) + { + TEMPLATE_CLEAR_ENDPOINT(); + + #if !defined(INTERRUPT_CONTROL_ENDPOINT) + USB_USBTask(); + #endif + + if (BytesProcessed != NULL) + { + *BytesProcessed += BytesInTransfer; + return ENDPOINT_RWSTREAM_IncompleteTransfer; + } + + if ((ErrorCode = Endpoint_WaitUntilReady())) + return ErrorCode; + } + else + { + TEMPLATE_TRANSFER_BYTE(DataStream); + TEMPLATE_BUFFER_MOVE(DataStream, 1); + Length--; + BytesInTransfer++; + } + } + + return ENDPOINT_RWSTREAM_NoError; +} + +#undef TEMPLATE_FUNC_NAME +#undef TEMPLATE_BUFFER_TYPE +#undef TEMPLATE_TRANSFER_BYTE +#undef TEMPLATE_CLEAR_ENDPOINT +#undef TEMPLATE_BUFFER_OFFSET +#undef TEMPLATE_BUFFER_MOVE + +#endif + diff --git a/LUFA/Drivers/USB/Core/UC3/Template/Template_Pipe_RW.c b/LUFA/Drivers/USB/Core/UC3/Template/Template_Pipe_RW.c new file mode 100644 index 0000000000..bb2a57fa52 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/Template/Template_Pipe_RW.c @@ -0,0 +1,88 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#if defined(TEMPLATE_FUNC_NAME) + +uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE const Buffer, + uint16_t Length, + uint16_t* const BytesProcessed) +{ + uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length)); + uint16_t BytesInTransfer = 0; + uint8_t ErrorCode; + + Pipe_SetPipeToken(TEMPLATE_TOKEN); + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + + if (BytesProcessed != NULL) + { + Length -= *BytesProcessed; + TEMPLATE_BUFFER_MOVE(DataStream, *BytesProcessed); + } + + while (Length) + { + if (!(Pipe_IsReadWriteAllowed())) + { + TEMPLATE_CLEAR_PIPE(); + + if (BytesProcessed != NULL) + { + *BytesProcessed += BytesInTransfer; + return PIPE_RWSTREAM_IncompleteTransfer; + } + + if ((ErrorCode = Pipe_WaitUntilReady())) + return ErrorCode; + } + else + { + TEMPLATE_TRANSFER_BYTE(DataStream); + TEMPLATE_BUFFER_MOVE(DataStream, 1); + Length--; + BytesInTransfer++; + } + } + + return PIPE_RWSTREAM_NoError; +} + +#undef TEMPLATE_FUNC_NAME +#undef TEMPLATE_BUFFER_TYPE +#undef TEMPLATE_TOKEN +#undef TEMPLATE_TRANSFER_BYTE +#undef TEMPLATE_CLEAR_PIPE +#undef TEMPLATE_BUFFER_OFFSET +#undef TEMPLATE_BUFFER_MOVE + +#endif + diff --git a/LUFA/Drivers/USB/Core/UC3/USBController_UC3.c b/LUFA/Drivers/USB/Core/UC3/USBController_UC3.c new file mode 100644 index 0000000000..2b1e9ac6b8 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/USBController_UC3.c @@ -0,0 +1,222 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#include "../../../../Common/Common.h" +#if (ARCH == ARCH_UC3) + +#define __INCLUDE_FROM_USB_DRIVER +#define __INCLUDE_FROM_USB_CONTROLLER_C +#include "../USBController.h" + +#if defined(USB_CAN_BE_BOTH) +volatile uint8_t USB_CurrentMode = USB_MODE_None; +#endif + +#if !defined(USE_STATIC_OPTIONS) +volatile uint8_t USB_Options; +#endif + +void USB_Init( + #if defined(USB_CAN_BE_BOTH) + const uint8_t Mode + #endif + + #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS)) + , + #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS)) + void + #endif + + #if !defined(USE_STATIC_OPTIONS) + const uint8_t Options + #endif + ) +{ + #if !defined(USE_STATIC_OPTIONS) + USB_Options = Options; + #endif + + #if defined(USB_CAN_BE_BOTH) + if (Mode == USB_MODE_UID) + { + AVR32_USBB.USBCON.uide = true; + USB_INT_Enable(USB_INT_IDTI); + USB_CurrentMode = USB_GetUSBModeFromUID(); + } + else + { + AVR32_USBB.USBCON.uide = false; + USB_CurrentMode = Mode; + } + #else + AVR32_USBB.USBCON.uide = false; + #endif + + USB_IsInitialized = true; + + USB_ResetInterface(); +} + +void USB_Disable(void) +{ + USB_INT_DisableAllInterrupts(); + USB_INT_ClearAllInterrupts(); + + USB_Detach(); + USB_Controller_Disable(); + + USB_OTGPAD_Off(); + + #if defined(USB_CAN_BE_BOTH) + USB_CurrentMode = USB_MODE_None; + #endif + + AVR32_PM.GCCTRL[3].cen = false; + + USB_IsInitialized = false; +} + +void USB_ResetInterface(void) +{ + #if defined(USB_CAN_BE_BOTH) + bool UIDModeSelectEnabled = AVR32_USBB.USBCON.uide; + #endif + + AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].pllsel = !(USB_Options & USB_OPT_GCLK_SRC_OSC); + AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].oscsel = !(USB_Options & USB_OPT_GCLK_CHANNEL_0); + AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].diven = (F_USB != USB_CLOCK_REQUIRED_FREQ); + AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].div = (F_USB == USB_CLOCK_REQUIRED_FREQ) ? 0 : (uint32_t)((F_USB / USB_CLOCK_REQUIRED_FREQ / 2) - 1); + AVR32_PM.GCCTRL[AVR32_PM_GCLK_USBB].cen = true; + + USB_INT_DisableAllInterrupts(); + USB_INT_ClearAllInterrupts(); + + USB_Controller_Reset(); + + #if defined(USB_CAN_BE_BOTH) + if (UIDModeSelectEnabled) + USB_INT_Enable(USB_INT_IDTI); + #endif + + USB_CLK_Unfreeze(); + + if (USB_CurrentMode == USB_MODE_Device) + { + #if defined(USB_CAN_BE_DEVICE) + AVR32_USBB.USBCON.uimod = true; + + USB_Init_Device(); + #endif + } + else if (USB_CurrentMode == USB_MODE_Host) + { + #if defined(INVERTED_VBUS_ENABLE_LINE) + AVR32_USBB.USBCON.vbuspo = true; + #endif + + #if defined(USB_CAN_BE_HOST) + AVR32_USBB.USBCON.uimod = false; + + USB_Init_Host(); + #endif + } + + USB_OTGPAD_On(); +} + +#if defined(USB_CAN_BE_DEVICE) +static void USB_Init_Device(void) +{ + USB_DeviceState = DEVICE_STATE_Unattached; + USB_Device_ConfigurationNumber = 0; + + #if !defined(NO_DEVICE_REMOTE_WAKEUP) + USB_Device_RemoteWakeupEnabled = false; + #endif + + #if !defined(NO_DEVICE_SELF_POWER) + USB_Device_CurrentlySelfPowered = false; + #endif + + #if !defined(FIXED_CONTROL_ENDPOINT_SIZE) + USB_Descriptor_Device_t* DeviceDescriptorPtr; + + if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR) + USB_Device_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size; + #endif + + if (USB_Options & USB_DEVICE_OPT_LOWSPEED) + { + USB_Device_SetLowSpeed(); + } + else + { + #if defined(USB_DEVICE_OPT_HIGHSPEED) + if (USB_Options & USB_DEVICE_OPT_HIGHSPEED) + USB_Device_SetHighSpeed(); + else + USB_Device_SetFullSpeed(); + #else + USB_Device_SetFullSpeed(); + #endif + } + + USB_INT_Enable(USB_INT_VBUSTI); + + Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL, + USB_Device_ControlEndpointSize, 1); + + USB_INT_Clear(USB_INT_SUSPI); + USB_INT_Enable(USB_INT_SUSPI); + USB_INT_Enable(USB_INT_EORSTI); + + USB_Attach(); +} +#endif + +#if defined(USB_CAN_BE_HOST) +static void USB_Init_Host(void) +{ + USB_HostState = HOST_STATE_Unattached; + USB_Host_ConfigurationNumber = 0; + USB_Host_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE; + + USB_Host_HostMode_On(); + + USB_Host_VBUS_Auto_On(); + + USB_INT_Enable(USB_INT_DCONNI); + USB_INT_Enable(USB_INT_BCERRI); + + USB_Attach(); +} +#endif + +#endif diff --git a/LUFA/Drivers/USB/Core/UC3/USBController_UC3.h b/LUFA/Drivers/USB/Core/UC3/USBController_UC3.h new file mode 100644 index 0000000000..32c2f6ec17 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/USBController_UC3.h @@ -0,0 +1,353 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Controller definitions for the AVR32 UC3 microcontrollers. + * \copydetails Group_USBManagement_UC3 + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_USBManagement + * \defgroup Group_USBManagement_UC3 USB Interface Management (UC3) + * \brief USB Controller definitions for the AVR32 UC3 microcontrollers. + * + * Functions, macros, variables, enums and types related to the setup and management of the USB interface. + * + * @{ + */ + +#ifndef __USBCONTROLLER_UC3_H__ +#define __USBCONTROLLER_UC3_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../USBMode.h" + #include "../Events.h" + #include "../USBTask.h" + #include "../USBInterrupt.h" + + #if defined(USB_CAN_BE_HOST) || defined(__DOXYGEN__) + #include "../Host.h" + #include "../OTG.h" + #include "../Pipe.h" + #include "../HostStandardReq.h" + #include "../PipeStream.h" + #endif + + #if defined(USB_CAN_BE_DEVICE) || defined(__DOXYGEN__) + #include "../Device.h" + #include "../Endpoint.h" + #include "../DeviceStandardReq.h" + #include "../EndpointStream.h" + #endif + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks and Defines: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + #if !defined(F_USB) + #error F_USB is not defined. You must define F_USB to the frequency of the clock input to the USB module. + #endif + + #if (defined(USB_SERIES_UC3A3_AVR) || defined(USB_SERIES_UC3A4_AVR)) + #if ((F_USB < 12000000) || (F_USB % 12000000)) + #error Invalid F_USB specified. F_USB must be a multiple of 12MHz for UC3A3 and UC3A4 devices. + #endif + #else + #if ((F_USB < 48000000) || (F_USB % 48000000)) + #error Invalid F_USB specified. F_USB must be a multiple of 48MHz for UC3A and UC3B devices. + #endif + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** \name USB Controller Option Masks */ + //@{ + /** Selects one of the system's main clock oscillators as the input clock to the USB Generic Clock source + * generation module. This indicates that an external oscillator should be used directly instead of an + * internal PLL clock source. + */ + #define USB_OPT_GCLK_SRC_OSC (1 << 2) + + /** Selects one of the system's PLL oscillators as the input clock to the USB Generic Clock source + * generation module. This indicates that one of the device's PLL outputs should be used instead of an + * external oscillator source. + */ + #define USB_OPT_GCLK_SRC_PLL (0 << 2) + + /** Selects PLL or External Oscillator 0 as the USB Generic Clock source module input clock. */ + #define USB_OPT_GCLK_CHANNEL_0 (1 << 3) + + /** Selects PLL or External Oscillator 1 as the USB Generic Clock source module input clock. */ + #define USB_OPT_GCLK_CHANNEL_1 (0 << 3) + //@} + + #if !defined(USB_STREAM_TIMEOUT_MS) || defined(__DOXYGEN__) + /** Constant for the maximum software timeout period of the USB data stream transfer functions + * (both control and standard) when in either device or host mode. If the next packet of a stream + * is not received or acknowledged within this time period, the stream function will fail. + * + * This value may be overridden in the user project makefile as the value of the + * \ref USB_STREAM_TIMEOUT_MS token, and passed to the compiler using the -D switch. + */ + #define USB_STREAM_TIMEOUT_MS 100 + #endif + + /* Inline Functions: */ + /** Determines if the VBUS line is currently high (i.e. the USB host is supplying power). + * + * \return Boolean \c true if the VBUS line is currently detecting power from a host, \c false otherwise. + */ + static inline bool USB_VBUS_GetStatus(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool USB_VBUS_GetStatus(void) + { + return AVR32_USBB.USBSTA.vbus; + } + + /** Detaches the device from the USB bus. This has the effect of removing the device from any + * attached host, ceasing USB communications. If no host is present, this prevents any host from + * enumerating the device once attached until \ref USB_Attach() is called. + */ + static inline void USB_Detach(void) ATTR_ALWAYS_INLINE; + static inline void USB_Detach(void) + { + AVR32_USBB.UDCON.detach = true; + } + + /** Attaches the device to the USB bus. This announces the device's presence to any attached + * USB host, starting the enumeration process. If no host is present, attaching the device + * will allow for enumeration once a host is connected to the device. + * + * This is inexplicably also required for proper operation while in host mode, to enable the + * attachment of a device to the host. This is despite the bit being located in the device-mode + * register and despite the datasheet making no mention of its requirement in host mode. + */ + static inline void USB_Attach(void) ATTR_ALWAYS_INLINE; + static inline void USB_Attach(void) + { + AVR32_USBB.UDCON.detach = false; + } + + /* Function Prototypes: */ + /** Main function to initialize and start the USB interface. Once active, the USB interface will + * allow for device connection to a host when in device mode, or for device enumeration while in + * host mode. + * + * As the USB library relies on interrupts for the device and host mode enumeration processes, + * the user must enable global interrupts before or shortly after this function is called. In + * device mode, interrupts must be enabled within 500ms of this function being called to ensure + * that the host does not time out whilst enumerating the device. In host mode, interrupts may be + * enabled at the application's leisure however enumeration will not begin of an attached device + * until after this has occurred. + * + * Calling this function when the USB interface is already initialized will cause a complete USB + * interface reset and re-enumeration. + * + * \param[in] Mode Mask indicating what mode the USB interface is to be initialized to, a value + * from the \ref USB_Modes_t enum. + * \note This parameter does not exist on devices with only one supported USB + * mode (device or host). + * + * \param[in] Options Mask indicating the options which should be used when initializing the USB + * interface to control the USB interface's behavior. This should be comprised of + * a \c USB_OPT_REG_* mask to control the regulator, a \c USB_OPT_*_PLL mask to control the + * PLL, and a \c USB_DEVICE_OPT_* mask (when the device mode is enabled) to set the device + * mode speed. + * + * \note To reduce the FLASH requirements of the library if only device or host mode is required, + * the mode can be statically set in the project makefile by defining the token \c USB_DEVICE_ONLY + * (for device mode) or \c USB_HOST_ONLY (for host mode), passing the token to the compiler + * via the -D switch. If the mode is statically set, this parameter does not exist in the + * function prototype. + * \n\n + * + * \note To reduce the FLASH requirements of the library if only fixed settings are required, + * the options may be set statically in the same manner as the mode (see the Mode parameter of + * this function). To statically set the USB options, pass in the \c USE_STATIC_OPTIONS token, + * defined to the appropriate options masks. When the options are statically set, this + * parameter does not exist in the function prototype. + * + * \see \ref Group_Device for the \c USB_DEVICE_OPT_* masks. + */ + void USB_Init( + #if defined(USB_CAN_BE_BOTH) || defined(__DOXYGEN__) + const uint8_t Mode + #endif + + #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS)) || defined(__DOXYGEN__) + , + #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS)) + void + #endif + + #if !defined(USE_STATIC_OPTIONS) || defined(__DOXYGEN__) + const uint8_t Options + #endif + ); + + /** Shuts down the USB interface. This turns off the USB interface after deallocating all USB FIFO + * memory, endpoints and pipes. When turned off, no USB functionality can be used until the interface + * is restarted with the \ref USB_Init() function. + */ + void USB_Disable(void); + + /** Resets the interface, when already initialized. This will re-enumerate the device if already connected + * to a host, or re-enumerate an already attached device when in host mode. + */ + void USB_ResetInterface(void); + + /* Global Variables: */ + #if defined(USB_CAN_BE_BOTH) || defined(__DOXYGEN__) + /** Indicates the mode that the USB interface is currently initialized to, a value from the + * \ref USB_Modes_t enum. + * + * \attention This variable should be treated as read-only in the user application, and never manually + * changed in value. + * + * \note When the controller is initialized into UID auto-detection mode, this variable will hold the + * currently selected USB mode (i.e. \ref USB_MODE_Device or \ref USB_MODE_Host). If the controller + * is fixed into a specific mode (either through the \c USB_DEVICE_ONLY or \c USB_HOST_ONLY compile time + * options, or a limitation of the USB controller in the chosen device model) this will evaluate to + * a constant of the appropriate value and will never evaluate to \ref USB_MODE_None even when the + * USB interface is not initialized. + */ + extern volatile uint8_t USB_CurrentMode; + #elif defined(USB_CAN_BE_HOST) + #define USB_CurrentMode USB_MODE_Host + #elif defined(USB_CAN_BE_DEVICE) + #define USB_CurrentMode USB_MODE_Device + #endif + + #if !defined(USE_STATIC_OPTIONS) || defined(__DOXYGEN__) + /** Indicates the current USB options that the USB interface was initialized with when \ref USB_Init() + * was called. This value will be one of the \c USB_MODE_* masks defined elsewhere in this module. + * + * \attention This variable should be treated as read-only in the user application, and never manually + * changed in value. + */ + extern volatile uint8_t USB_Options; + #elif defined(USE_STATIC_OPTIONS) + #define USB_Options USE_STATIC_OPTIONS + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #if defined(USB_SERIES_UC3A3_AVR32) || defined(USB_SERIES_UC3A4_AVR32) + #define USB_CLOCK_REQUIRED_FREQ 12000000UL + #else + #define USB_CLOCK_REQUIRED_FREQ 48000000UL + #endif + + /* Function Prototypes: */ + #if defined(__INCLUDE_FROM_USB_CONTROLLER_C) + #if defined(USB_CAN_BE_DEVICE) + static void USB_Init_Device(void); + #endif + + #if defined(USB_CAN_BE_HOST) + static void USB_Init_Host(void); + #endif + #endif + + /* Inline Functions: */ + static inline void USB_OTGPAD_On(void) ATTR_ALWAYS_INLINE; + static inline void USB_OTGPAD_On(void) + { + AVR32_USBB.USBCON.otgpade = true; + } + + static inline void USB_OTGPAD_Off(void) ATTR_ALWAYS_INLINE; + static inline void USB_OTGPAD_Off(void) + { + AVR32_USBB.USBCON.otgpade = false; + } + + static inline void USB_CLK_Freeze(void) ATTR_ALWAYS_INLINE; + static inline void USB_CLK_Freeze(void) + { + AVR32_USBB.USBCON.frzclk = true; + } + + static inline void USB_CLK_Unfreeze(void) ATTR_ALWAYS_INLINE; + static inline void USB_CLK_Unfreeze(void) + { + AVR32_USBB.USBCON.frzclk = false; + } + + static inline void USB_Controller_Enable(void) ATTR_ALWAYS_INLINE; + static inline void USB_Controller_Enable(void) + { + AVR32_USBB.USBCON.usbe = true; + } + + static inline void USB_Controller_Disable(void) ATTR_ALWAYS_INLINE; + static inline void USB_Controller_Disable(void) + { + AVR32_USBB.USBCON.usbe = false; + } + + static inline void USB_Controller_Reset(void) ATTR_ALWAYS_INLINE; + static inline void USB_Controller_Reset(void) + { + AVR32_USBB.USBCON.usbe = false; + AVR32_USBB.USBCON.usbe = true; + } + + #if defined(USB_CAN_BE_BOTH) + static inline uint8_t USB_GetUSBModeFromUID(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t USB_GetUSBModeFromUID(void) + { + if (AVR32_USBB.USBSTA.id) + return USB_MODE_Device; + else + return USB_MODE_Host; + } + #endif + + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + diff --git a/LUFA/Drivers/USB/Core/UC3/USBInterrupt_UC3.c b/LUFA/Drivers/USB/Core/UC3/USBInterrupt_UC3.c new file mode 100644 index 0000000000..3b3958a145 --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/USBInterrupt_UC3.c @@ -0,0 +1,228 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +#include "../../../../Common/Common.h" +#if (ARCH == ARCH_UC3) + +#define __INCLUDE_FROM_USB_DRIVER +#include "../USBInterrupt.h" + +void USB_INT_DisableAllInterrupts(void) +{ + AVR32_USBB.USBCON.vbuste = false; + AVR32_USBB.USBCON.idte = false; + + AVR32_USBB.uhinteclr = -1; + AVR32_USBB.udinteclr = -1; +} + +void USB_INT_ClearAllInterrupts(void) +{ + AVR32_USBB.USBSTACLR.vbustic = true; + AVR32_USBB.USBSTACLR.idtic = true; + + AVR32_USBB.uhintclr = -1; + AVR32_USBB.udintclr = -1; +} + +ISR(USB_GEN_vect) +{ + #if defined(USB_CAN_BE_DEVICE) + #if !defined(NO_SOF_EVENTS) + if (USB_INT_HasOccurred(USB_INT_SOFI) && USB_INT_IsEnabled(USB_INT_SOFI)) + { + USB_INT_Clear(USB_INT_SOFI); + + EVENT_USB_Device_StartOfFrame(); + } + #endif + + if (USB_INT_HasOccurred(USB_INT_VBUSTI) && USB_INT_IsEnabled(USB_INT_VBUSTI)) + { + USB_INT_Clear(USB_INT_VBUSTI); + + if (USB_VBUS_GetStatus()) + { + USB_DeviceState = DEVICE_STATE_Powered; + EVENT_USB_Device_Connect(); + } + else + { + USB_DeviceState = DEVICE_STATE_Unattached; + EVENT_USB_Device_Disconnect(); + } + } + + if (USB_INT_HasOccurred(USB_INT_SUSPI) && USB_INT_IsEnabled(USB_INT_SUSPI)) + { + USB_INT_Disable(USB_INT_SUSPI); + USB_INT_Enable(USB_INT_WAKEUPI); + + USB_CLK_Freeze(); + + USB_DeviceState = DEVICE_STATE_Suspended; + EVENT_USB_Device_Suspend(); + } + + if (USB_INT_HasOccurred(USB_INT_WAKEUPI) && USB_INT_IsEnabled(USB_INT_WAKEUPI)) + { + USB_CLK_Unfreeze(); + + USB_INT_Clear(USB_INT_WAKEUPI); + + USB_INT_Disable(USB_INT_WAKEUPI); + USB_INT_Enable(USB_INT_SUSPI); + + if (USB_Device_ConfigurationNumber) + USB_DeviceState = DEVICE_STATE_Configured; + else + USB_DeviceState = (USB_Device_IsAddressSet()) ? DEVICE_STATE_Addressed : DEVICE_STATE_Powered; + + EVENT_USB_Device_WakeUp(); + } + + if (USB_INT_HasOccurred(USB_INT_EORSTI) && USB_INT_IsEnabled(USB_INT_EORSTI)) + { + USB_INT_Clear(USB_INT_EORSTI); + + USB_DeviceState = DEVICE_STATE_Default; + USB_Device_ConfigurationNumber = 0; + + USB_INT_Clear(USB_INT_SUSPI); + USB_INT_Disable(USB_INT_SUSPI); + USB_INT_Enable(USB_INT_WAKEUPI); + + USB_Device_SetDeviceAddress(0); + Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL, + USB_Device_ControlEndpointSize, 1); + + #if defined(INTERRUPT_CONTROL_ENDPOINT) + USB_INT_Enable(USB_INT_RXSTPI); + #endif + + EVENT_USB_Device_Reset(); + } + #endif + + #if defined(USB_CAN_BE_HOST) + #if !defined(NO_SOF_EVENTS) + if (USB_INT_HasOccurred(USB_INT_HSOFI) && USB_INT_IsEnabled(USB_INT_HSOFI)) + { + USB_INT_Clear(USB_INT_HSOFI); + + EVENT_USB_Host_StartOfFrame(); + } + #endif + + if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI)) + { + USB_INT_Clear(USB_INT_DDISCI); + USB_INT_Clear(USB_INT_DCONNI); + USB_INT_Disable(USB_INT_DDISCI); + + EVENT_USB_Host_DeviceUnattached(); + + USB_ResetInterface(); + } + + if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI)) + { + USB_INT_Clear(USB_INT_VBERRI); + + USB_Host_VBUS_Manual_Off(); + USB_Host_VBUS_Auto_Off(); + + EVENT_USB_Host_HostError(HOST_ERROR_VBusVoltageDip); + EVENT_USB_Host_DeviceUnattached(); + + USB_HostState = HOST_STATE_Unattached; + } + + if (USB_INT_HasOccurred(USB_INT_DCONNI) && USB_INT_IsEnabled(USB_INT_DCONNI)) + { + USB_INT_Clear(USB_INT_DCONNI); + USB_INT_Disable(USB_INT_DCONNI); + + EVENT_USB_Host_DeviceAttached(); + + USB_INT_Enable(USB_INT_DDISCI); + + USB_HostState = HOST_STATE_Powered; + } + + if (USB_INT_HasOccurred(USB_INT_BCERRI) && USB_INT_IsEnabled(USB_INT_BCERRI)) + { + USB_INT_Clear(USB_INT_BCERRI); + + EVENT_USB_Host_DeviceEnumerationFailed(HOST_ENUMERROR_NoDeviceDetected, 0); + EVENT_USB_Host_DeviceUnattached(); + + USB_ResetInterface(); + } + #endif + + #if defined(USB_CAN_BE_BOTH) + if (USB_INT_HasOccurred(USB_INT_IDTI) && USB_INT_IsEnabled(USB_INT_IDTI)) + { + USB_INT_Clear(USB_INT_IDTI); + + if (USB_DeviceState != DEVICE_STATE_Unattached) + EVENT_USB_Device_Disconnect(); + + if (USB_HostState != HOST_STATE_Unattached) + EVENT_USB_Host_DeviceUnattached(); + + USB_CurrentMode = USB_GetUSBModeFromUID(); + USB_ResetInterface(); + + EVENT_USB_UIDChange(); + } + #endif +} + +#if defined(INTERRUPT_CONTROL_ENDPOINT) && defined(USB_CAN_BE_DEVICE) +ISR(USB_COM_vect) +{ + uint8_t PrevSelectedEndpoint = Endpoint_GetCurrentEndpoint(); + + Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); + USB_INT_Disable(USB_INT_RXSTPI); + + GlobalInterruptEnable(); + + USB_Device_ProcessControlRequest(); + + Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP); + USB_INT_Enable(USB_INT_RXSTPI); + Endpoint_SelectEndpoint(PrevSelectedEndpoint); +} +#endif + +#endif diff --git a/LUFA/Drivers/USB/Core/UC3/USBInterrupt_UC3.h b/LUFA/Drivers/USB/Core/UC3/USBInterrupt_UC3.h new file mode 100644 index 0000000000..e2f67bf86a --- /dev/null +++ b/LUFA/Drivers/USB/Core/UC3/USBInterrupt_UC3.h @@ -0,0 +1,376 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Controller Interrupt definitions for the AVR32 UC3 microcontrollers. + * + * This file contains definitions required for the correct handling of low level USB service routine interrupts + * from the USB controller. + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +#ifndef __USBINTERRUPT_UC3_H__ +#define __USBINTERRUPT_UC3_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_USB_DRIVER) + #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* External Variables: */ + extern volatile uint32_t USB_Endpoint_SelectedEndpoint; + + /* Enums: */ + enum USB_Interrupts_t + { + USB_INT_VBUSTI = 0, + #if (defined(USB_CAN_BE_BOTH) || defined(__DOXYGEN__)) + USB_INT_IDTI = 1, + #endif + #if (defined(USB_CAN_BE_DEVICE) || defined(__DOXYGEN__)) + USB_INT_WAKEUPI = 2, + USB_INT_SUSPI = 3, + USB_INT_EORSTI = 4, + USB_INT_SOFI = 5, + USB_INT_RXSTPI = 6, + #endif + #if (defined(USB_CAN_BE_HOST) || defined(__DOXYGEN__)) + USB_INT_HSOFI = 7, + USB_INT_DCONNI = 8, + USB_INT_DDISCI = 9, + USB_INT_RSTI = 10, + USB_INT_BCERRI = 11, + USB_INT_VBERRI = 12, + #endif + }; + + /* Inline Functions: */ + static inline void USB_INT_Enable(const uint8_t Interrupt) ATTR_ALWAYS_INLINE; + static inline void USB_INT_Enable(const uint8_t Interrupt) + { + switch (Interrupt) + { + case USB_INT_VBUSTI: + AVR32_USBB.USBCON.vbuste = true; + break; + #if defined(USB_CAN_BE_BOTH) + case USB_INT_IDTI: + AVR32_USBB.USBCON.idte = true; + break; + #endif + #if defined(USB_CAN_BE_DEVICE) + case USB_INT_WAKEUPI: + AVR32_USBB.UDINTESET.wakeupes = true; + break; + case USB_INT_SUSPI: + AVR32_USBB.UDINTESET.suspes = true; + break; + case USB_INT_EORSTI: + AVR32_USBB.UDINTESET.eorstes = true; + break; + case USB_INT_SOFI: + AVR32_USBB.UDINTESET.sofes = true; + break; + case USB_INT_RXSTPI: + (&AVR32_USBB.UECON0SET)[USB_Endpoint_SelectedEndpoint].rxstpes = true; + break; + #endif + #if defined(USB_CAN_BE_HOST) + case USB_INT_HSOFI: + AVR32_USBB.UHINTESET.hsofies = true; + break; + case USB_INT_DCONNI: + AVR32_USBB.UHINTESET.dconnies = true; + break; + case USB_INT_DDISCI: + AVR32_USBB.UHINTESET.ddiscies = true; + break; + case USB_INT_RSTI: + AVR32_USBB.UHINTESET.rsties = true; + break; + case USB_INT_BCERRI: + AVR32_USBB.USBCON.bcerre = true; + break; + case USB_INT_VBERRI: + AVR32_USBB.USBCON.vberre = true; + break; + #endif + default: + break; + } + } + + static inline void USB_INT_Disable(const uint8_t Interrupt) ATTR_ALWAYS_INLINE; + static inline void USB_INT_Disable(const uint8_t Interrupt) + { + switch (Interrupt) + { + case USB_INT_VBUSTI: + AVR32_USBB.USBCON.vbuste = false; + break; + #if defined(USB_CAN_BE_BOTH) + case USB_INT_IDTI: + AVR32_USBB.USBCON.idte = false; + break; + #endif + #if defined(USB_CAN_BE_DEVICE) + case USB_INT_WAKEUPI: + AVR32_USBB.UDINTECLR.wakeupec = true; + break; + case USB_INT_SUSPI: + AVR32_USBB.UDINTECLR.suspec = true; + break; + case USB_INT_EORSTI: + AVR32_USBB.UDINTECLR.eorstec = true; + break; + case USB_INT_SOFI: + AVR32_USBB.UDINTECLR.sofec = true; + break; + case USB_INT_RXSTPI: + (&AVR32_USBB.UECON0CLR)[USB_Endpoint_SelectedEndpoint].rxstpec = true; + break; + #endif + #if defined(USB_CAN_BE_HOST) + case USB_INT_HSOFI: + AVR32_USBB.UHINTECLR.hsofiec = true; + break; + case USB_INT_DCONNI: + AVR32_USBB.UHINTECLR.dconniec = true; + break; + case USB_INT_DDISCI: + AVR32_USBB.UHINTECLR.ddisciec = true; + break; + case USB_INT_RSTI: + AVR32_USBB.UHINTECLR.rstiec = true; + break; + case USB_INT_BCERRI: + AVR32_USBB.USBCON.bcerre = false; + break; + case USB_INT_VBERRI: + AVR32_USBB.USBCON.vberre = false; + break; + #endif + default: + break; + } + } + + static inline void USB_INT_Clear(const uint8_t Interrupt) ATTR_ALWAYS_INLINE; + static inline void USB_INT_Clear(const uint8_t Interrupt) + { + switch (Interrupt) + { + case USB_INT_VBUSTI: + AVR32_USBB.USBSTACLR.vbustic = true; + (void)AVR32_USBB.USBSTACLR; + break; + #if defined(USB_CAN_BE_BOTH) + case USB_INT_IDTI: + AVR32_USBB.USBSTACLR.idtic = true; + (void)AVR32_USBB.USBSTACLR; + break; + #endif + #if defined(USB_CAN_BE_DEVICE) + case USB_INT_WAKEUPI: + AVR32_USBB.UDINTCLR.wakeupc = true; + (void)AVR32_USBB.UDINTCLR; + break; + case USB_INT_SUSPI: + AVR32_USBB.UDINTCLR.suspc = true; + (void)AVR32_USBB.UDINTCLR; + break; + case USB_INT_EORSTI: + AVR32_USBB.UDINTCLR.eorstc = true; + (void)AVR32_USBB.UDINTCLR; + break; + case USB_INT_SOFI: + AVR32_USBB.UDINTCLR.sofc = true; + (void)AVR32_USBB.UDINTCLR; + break; + case USB_INT_RXSTPI: + (&AVR32_USBB.UESTA0CLR)[USB_Endpoint_SelectedEndpoint].rxstpic = true; + break; + #endif + #if defined(USB_CAN_BE_HOST) + case USB_INT_HSOFI: + AVR32_USBB.UHINTCLR.hsofic = true; + (void)AVR32_USBB.UHINTCLR; + break; + case USB_INT_DCONNI: + AVR32_USBB.UHINTCLR.dconnic = true; + (void)AVR32_USBB.UHINTCLR; + break; + case USB_INT_DDISCI: + AVR32_USBB.UHINTCLR.ddiscic = true; + (void)AVR32_USBB.UHINTCLR; + break; + case USB_INT_RSTI: + AVR32_USBB.UHINTCLR.rstic = true; + (void)AVR32_USBB.UHINTCLR; + break; + case USB_INT_BCERRI: + AVR32_USBB.USBSTACLR.bcerric = true; + (void)AVR32_USBB.USBSTACLR; + break; + case USB_INT_VBERRI: + AVR32_USBB.USBSTACLR.vberric = true; + (void)AVR32_USBB.USBSTACLR; + break; + #endif + default: + break; + } + } + + static inline bool USB_INT_IsEnabled(const uint8_t Interrupt) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT; + static inline bool USB_INT_IsEnabled(const uint8_t Interrupt) + { + switch (Interrupt) + { + case USB_INT_VBUSTI: + return AVR32_USBB.USBCON.vbuste; + #if defined(USB_CAN_BE_BOTH) + case USB_INT_IDTI: + return AVR32_USBB.USBCON.idte; + #endif + #if defined(USB_CAN_BE_DEVICE) + case USB_INT_WAKEUPI: + return AVR32_USBB.UDINTE.wakeupe; + case USB_INT_SUSPI: + return AVR32_USBB.UDINTE.suspe; + case USB_INT_EORSTI: + return AVR32_USBB.UDINTE.eorste; + case USB_INT_SOFI: + return AVR32_USBB.UDINTE.sofe; + case USB_INT_RXSTPI: + return (&AVR32_USBB.UECON0)[USB_Endpoint_SelectedEndpoint].rxstpe; + #endif + #if defined(USB_CAN_BE_HOST) + case USB_INT_HSOFI: + return AVR32_USBB.UHINTE.hsofie; + case USB_INT_DCONNI: + return AVR32_USBB.UHINTE.dconnie; + case USB_INT_DDISCI: + return AVR32_USBB.UHINTE.ddiscie; + case USB_INT_RSTI: + return AVR32_USBB.UHINTE.rstie; + case USB_INT_BCERRI: + return AVR32_USBB.USBCON.bcerre; + case USB_INT_VBERRI: + return AVR32_USBB.USBCON.vberre; + #endif + default: + return false; + } + } + + static inline bool USB_INT_HasOccurred(const uint8_t Interrupt) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT; + static inline bool USB_INT_HasOccurred(const uint8_t Interrupt) + { + switch (Interrupt) + { + case USB_INT_VBUSTI: + return AVR32_USBB.USBSTA.vbusti; + #if defined(USB_CAN_BE_BOTH) + case USB_INT_IDTI: + return AVR32_USBB.USBSTA.idti; + #endif + #if defined(USB_CAN_BE_DEVICE) + case USB_INT_WAKEUPI: + return AVR32_USBB.UDINT.wakeup; + case USB_INT_SUSPI: + return AVR32_USBB.UDINT.susp; + case USB_INT_EORSTI: + return AVR32_USBB.UDINT.eorst; + case USB_INT_SOFI: + return AVR32_USBB.UDINT.sof; + case USB_INT_RXSTPI: + return (&AVR32_USBB.UESTA0)[USB_Endpoint_SelectedEndpoint].rxstpi; + #endif + #if defined(USB_CAN_BE_HOST) + case USB_INT_HSOFI: + return AVR32_USBB.UHINT.hsofi; + case USB_INT_DCONNI: + return AVR32_USBB.UHINT.dconni; + case USB_INT_DDISCI: + return AVR32_USBB.UHINT.ddisci; + case USB_INT_RSTI: + return AVR32_USBB.UHINT.rsti; + case USB_INT_BCERRI: + return AVR32_USBB.USBSTA.bcerri; + case USB_INT_VBERRI: + return AVR32_USBB.USBSTA.vberri; + #endif + default: + return false; + } + } + + /* Includes: */ + #include "../USBMode.h" + #include "../Events.h" + #include "../USBController.h" + + /* Function Prototypes: */ + void USB_INT_ClearAllInterrupts(void); + void USB_INT_DisableAllInterrupts(void); + #endif + + /* Public Interface - May be used in end-application: */ + /* Function Prototypes: */ + #if defined(__DOXYGEN__) + /** Interrupt service routine handler for the USB controller ISR group. This interrupt routine <b>must</b> be + * linked to the entire USB controller ISR vector group inside the AVR32's interrupt controller peripheral, + * using the user application's preferred USB controller driver. + */ + void USB_GEN_vect(void); + #else + ISR(USB_GEN_vect); + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + |