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Diffstat (limited to 'lib/lufa/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.c')
| -rw-r--r-- | lib/lufa/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.c | 476 |
1 files changed, 0 insertions, 476 deletions
diff --git a/lib/lufa/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.c b/lib/lufa/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.c deleted file mode 100644 index c324be2d13..0000000000 --- a/lib/lufa/Demos/Device/Incomplete/TestAndMeasurement/TestAndMeasurement.c +++ /dev/null @@ -1,476 +0,0 @@ -/* - 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 "TestAndMeasurement.h" - -/** Contains the (usually static) capabilities of the TMC device. This table is requested by the - * host upon enumeration to give it information on what features of the Test and Measurement USB - * Class the device supports. - */ -TMC_Capabilities_t Capabilities = - { - .Status = TMC_STATUS_SUCCESS, - .TMCVersion = VERSION_BCD(1.00), - - .Interface = - { - .ListenOnly = false, - .TalkOnly = false, - .PulseIndicateSupported = false, - }, - - .Device = - { - .SupportsAbortINOnMatch = false, - }, - }; - -/** Current TMC control request that is being processed */ -static uint8_t RequestInProgress = 0; - -/** Stream callback abort flag for bulk IN data */ -static bool IsTMCBulkINReset = false; - -/** Stream callback abort flag for bulk OUT data */ -static bool IsTMCBulkOUTReset = false; - -/** Last used tag value for data transfers */ -static uint8_t CurrentTransferTag = 0; - -/** Length of last data transfer, for reporting to the host in case an in-progress transfer is aborted */ -static uint16_t LastTransferLength = 0; - -/** Buffer to hold the next message to sent to the TMC host */ -static uint8_t NextResponseBuffer[64]; - -/** Indicates the length of the next response to send */ -static uint8_t NextResponseLen; - -/** Main program entry point. This routine contains the overall program flow, including initial - * setup of all components and the main program loop. - */ -int main(void) -{ - SetupHardware(); - - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); - GlobalInterruptEnable(); - - for (;;) - { - TMC_Task(); - USB_USBTask(); - } -} - -/** Configures the board hardware and chip peripherals for the demo's functionality. */ -void SetupHardware(void) -{ -#if (ARCH == ARCH_AVR8) - /* Disable watchdog if enabled by bootloader/fuses */ - MCUSR &= ~(1 << WDRF); - wdt_disable(); - - /* Disable clock division */ - clock_prescale_set(clock_div_1); -#elif (ARCH == ARCH_XMEGA) - /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */ - XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU); - XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL); - - /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */ - XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ); - XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB); - - PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm; -#endif - - /* Hardware Initialization */ - LEDs_Init(); - USB_Init(); -} - -/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and - * starts the library USB task to begin the enumeration and USB management process. - */ -void EVENT_USB_Device_Connect(void) -{ - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); -} - -/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via - * the status LEDs and stops the USB management and CDC management tasks. - */ -void EVENT_USB_Device_Disconnect(void) -{ - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); -} - -/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration - * of the USB device after enumeration - the device endpoints are configured and the CDC management task started. - */ -void EVENT_USB_Device_ConfigurationChanged(void) -{ - bool ConfigSuccess = true; - - /* Setup TMC In, Out and Notification Endpoints */ - ConfigSuccess &= Endpoint_ConfigureEndpoint(TMC_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, TMC_IO_EPSIZE, 1); - ConfigSuccess &= Endpoint_ConfigureEndpoint(TMC_IN_EPADDR, EP_TYPE_BULK, TMC_IO_EPSIZE, 1); - ConfigSuccess &= Endpoint_ConfigureEndpoint(TMC_OUT_EPADDR, EP_TYPE_BULK, TMC_IO_EPSIZE, 1); - - /* Indicate endpoint configuration success or failure */ - LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR); -} - -/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to - * the device from the USB host before passing along unhandled control requests to the library for processing - * internally. - */ -void EVENT_USB_Device_ControlRequest(void) -{ - uint8_t TMCRequestStatus = TMC_STATUS_SUCCESS; - - /* Process TMC specific control requests */ - switch (USB_ControlRequest.bRequest) - { - case Req_InitiateAbortBulkOut: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT)) - { - /* Check that no split transaction is already in progress and the data transfer tag is valid */ - if (RequestInProgress != 0) - { - TMCRequestStatus = TMC_STATUS_SPLIT_IN_PROGRESS; - } - else if (USB_ControlRequest.wValue != CurrentTransferTag) - { - TMCRequestStatus = TMC_STATUS_TRANSFER_NOT_IN_PROGRESS; - } - else - { - /* Indicate that all in-progress/pending data OUT requests should be aborted */ - IsTMCBulkOUTReset = true; - - /* Save the split request for later checking when a new request is received */ - RequestInProgress = Req_InitiateAbortBulkOut; - } - - Endpoint_ClearSETUP(); - - /* Write the request response byte */ - Endpoint_Write_8(TMCRequestStatus); - - Endpoint_ClearIN(); - Endpoint_ClearStatusStage(); - } - - break; - case Req_CheckAbortBulkOutStatus: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT)) - { - /* Check that an ABORT BULK OUT transaction has been requested and that the request has completed */ - if (RequestInProgress != Req_InitiateAbortBulkOut) - TMCRequestStatus = TMC_STATUS_SPLIT_NOT_IN_PROGRESS; - else if (IsTMCBulkOUTReset) - TMCRequestStatus = TMC_STATUS_PENDING; - else - RequestInProgress = 0; - - Endpoint_ClearSETUP(); - - /* Write the request response bytes */ - Endpoint_Write_8(TMCRequestStatus); - Endpoint_Write_16_LE(0); - Endpoint_Write_32_LE(LastTransferLength); - - Endpoint_ClearIN(); - Endpoint_ClearStatusStage(); - } - - break; - case Req_InitiateAbortBulkIn: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT)) - { - /* Check that no split transaction is already in progress and the data transfer tag is valid */ - if (RequestInProgress != 0) - { - TMCRequestStatus = TMC_STATUS_SPLIT_IN_PROGRESS; - } - else if (USB_ControlRequest.wValue != CurrentTransferTag) - { - TMCRequestStatus = TMC_STATUS_TRANSFER_NOT_IN_PROGRESS; - } - else - { - /* Indicate that all in-progress/pending data IN requests should be aborted */ - IsTMCBulkINReset = true; - - /* Save the split request for later checking when a new request is received */ - RequestInProgress = Req_InitiateAbortBulkIn; - } - - Endpoint_ClearSETUP(); - - /* Write the request response bytes */ - Endpoint_Write_8(TMCRequestStatus); - Endpoint_Write_8(CurrentTransferTag); - - Endpoint_ClearIN(); - Endpoint_ClearStatusStage(); - } - - break; - case Req_CheckAbortBulkInStatus: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT)) - { - /* Check that an ABORT BULK IN transaction has been requested and that the request has completed */ - if (RequestInProgress != Req_InitiateAbortBulkIn) - TMCRequestStatus = TMC_STATUS_SPLIT_NOT_IN_PROGRESS; - else if (IsTMCBulkINReset) - TMCRequestStatus = TMC_STATUS_PENDING; - else - RequestInProgress = 0; - - Endpoint_ClearSETUP(); - - /* Write the request response bytes */ - Endpoint_Write_8(TMCRequestStatus); - Endpoint_Write_16_LE(0); - Endpoint_Write_32_LE(LastTransferLength); - - Endpoint_ClearIN(); - Endpoint_ClearStatusStage(); - } - - break; - case Req_InitiateClear: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) - { - /* Check that no split transaction is already in progress */ - if (RequestInProgress != 0) - { - Endpoint_Write_8(TMC_STATUS_SPLIT_IN_PROGRESS); - } - else - { - /* Indicate that all in-progress/pending data IN and OUT requests should be aborted */ - IsTMCBulkINReset = true; - IsTMCBulkOUTReset = true; - - /* Save the split request for later checking when a new request is received */ - RequestInProgress = Req_InitiateClear; - } - - Endpoint_ClearSETUP(); - - /* Write the request response byte */ - Endpoint_Write_8(TMCRequestStatus); - - Endpoint_ClearIN(); - Endpoint_ClearStatusStage(); - } - - break; - case Req_CheckClearStatus: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) - { - /* Check that a CLEAR transaction has been requested and that the request has completed */ - if (RequestInProgress != Req_InitiateClear) - TMCRequestStatus = TMC_STATUS_SPLIT_NOT_IN_PROGRESS; - else if (IsTMCBulkINReset || IsTMCBulkOUTReset) - TMCRequestStatus = TMC_STATUS_PENDING; - else - RequestInProgress = 0; - - Endpoint_ClearSETUP(); - - /* Write the request response bytes */ - Endpoint_Write_8(TMCRequestStatus); - Endpoint_Write_8(0); - - Endpoint_ClearIN(); - Endpoint_ClearStatusStage(); - } - - break; - case Req_GetCapabilities: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) - { - Endpoint_ClearSETUP(); - - /* Write the device capabilities to the control endpoint */ - Endpoint_Write_Control_Stream_LE(&Capabilities, sizeof(TMC_Capabilities_t)); - Endpoint_ClearOUT(); - } - - break; - } -} - -void ProcessSentMessage(uint8_t* const Data, const uint8_t Length) -{ - if (strncmp((char*)Data, "*IDN?", 5) == 0) - strcpy((char*)NextResponseBuffer, "LUFA TMC DEMO"); - - NextResponseLen = strlen((char*)NextResponseBuffer); -} - -uint8_t GetNextMessage(uint8_t* const Data) -{ - strcpy((char*)NextResponseBuffer, "LUFA TMC DEMO"); - - NextResponseLen = strlen((char*)NextResponseBuffer); -// --- - uint8_t DataLen = MIN(NextResponseLen, 64); - - strlcpy((char*)Data, (char*)NextResponseBuffer, DataLen); - - return DataLen; -} - -/** Function to manage TMC data transmission and reception to and from the host. */ -void TMC_Task(void) -{ - /* Device must be connected and configured for the task to run */ - if (USB_DeviceState != DEVICE_STATE_Configured) - return; - - TMC_MessageHeader_t MessageHeader; - uint8_t MessagePayload[128]; - - /* Try to read in a TMC message from the interface, process if one is available */ - if (ReadTMCHeader(&MessageHeader)) - { - /* Indicate busy */ - LEDs_SetAllLEDs(LEDMASK_USB_BUSY); - - switch (MessageHeader.MessageID) - { - case TMC_MESSAGEID_DEV_DEP_MSG_OUT: - LastTransferLength = 0; - while (Endpoint_Read_Stream_LE(MessagePayload, MIN(MessageHeader.TransferSize, sizeof(MessagePayload)), &LastTransferLength) == - ENDPOINT_RWSTREAM_IncompleteTransfer) - { - if (IsTMCBulkOUTReset) - break; - } - - Endpoint_ClearOUT(); - - ProcessSentMessage(MessagePayload, LastTransferLength); - break; - case TMC_MESSAGEID_DEV_DEP_MSG_IN: - Endpoint_ClearOUT(); - - MessageHeader.TransferSize = GetNextMessage(MessagePayload); - MessageHeader.MessageIDSpecific.DeviceOUT.LastMessageTransaction = true; - WriteTMCHeader(&MessageHeader); - - LastTransferLength = 0; - while (Endpoint_Write_Stream_LE(MessagePayload, MessageHeader.TransferSize, &LastTransferLength) == - ENDPOINT_RWSTREAM_IncompleteTransfer) - { - if (IsTMCBulkINReset) - break; - } - - Endpoint_ClearIN(); - break; - default: - Endpoint_StallTransaction(); - break; - } - - LEDs_SetAllLEDs(LEDMASK_USB_READY); - } - - /* All pending data has been processed - reset the data abort flags */ - IsTMCBulkINReset = false; - IsTMCBulkOUTReset = false; -} - -/** Attempts to read in the TMC message header from the TMC interface. - * - * \param[out] MessageHeader Pointer to a location where the read header (if any) should be stored - * - * \return Boolean \c true if a header was read, \c false otherwise - */ -bool ReadTMCHeader(TMC_MessageHeader_t* const MessageHeader) -{ - uint16_t BytesTransferred; - uint8_t ErrorCode; - - /* Select the Data Out endpoint */ - Endpoint_SelectEndpoint(TMC_OUT_EPADDR); - - /* Abort if no command has been sent from the host */ - if (!(Endpoint_IsOUTReceived())) - return false; - - /* Read in the header of the command from the host */ - BytesTransferred = 0; - while ((ErrorCode = Endpoint_Read_Stream_LE(MessageHeader, sizeof(TMC_MessageHeader_t), &BytesTransferred)) == - ENDPOINT_RWSTREAM_IncompleteTransfer) - { - if (IsTMCBulkOUTReset) - break; - } - - /* Store the new command tag value for later use */ - CurrentTransferTag = MessageHeader->Tag; - - /* Indicate if the command has been aborted or not */ - return (!(IsTMCBulkOUTReset) && (ErrorCode == ENDPOINT_RWSTREAM_NoError)); -} - -bool WriteTMCHeader(TMC_MessageHeader_t* const MessageHeader) -{ - uint16_t BytesTransferred; - uint8_t ErrorCode; - - /* Set the message tag of the command header */ - MessageHeader->Tag = CurrentTransferTag; - MessageHeader->InverseTag = ~CurrentTransferTag; - - /* Select the Data In endpoint */ - Endpoint_SelectEndpoint(TMC_IN_EPADDR); - - /* Send the command header to the host */ - BytesTransferred = 0; - while ((ErrorCode = Endpoint_Write_Stream_LE(MessageHeader, sizeof(TMC_MessageHeader_t), &BytesTransferred)) == - ENDPOINT_RWSTREAM_IncompleteTransfer) - { - if (IsTMCBulkINReset) - break; - } - - /* Indicate if the command has been aborted or not */ - return (!(IsTMCBulkINReset) && (ErrorCode == ENDPOINT_RWSTREAM_NoError)); -} - |