diff options
Diffstat (limited to 'lib/lufa/LUFA/Drivers/Peripheral/AVR8')
| -rw-r--r-- | lib/lufa/LUFA/Drivers/Peripheral/AVR8/ADC_AVR8.h | 446 | ||||
| -rw-r--r-- | lib/lufa/LUFA/Drivers/Peripheral/AVR8/SPI_AVR8.h | 258 | ||||
| -rw-r--r-- | lib/lufa/LUFA/Drivers/Peripheral/AVR8/SerialSPI_AVR8.h | 208 | ||||
| -rw-r--r-- | lib/lufa/LUFA/Drivers/Peripheral/AVR8/Serial_AVR8.c | 121 | ||||
| -rw-r--r-- | lib/lufa/LUFA/Drivers/Peripheral/AVR8/Serial_AVR8.h | 271 | ||||
| -rw-r--r-- | lib/lufa/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.c | 209 | ||||
| -rw-r--r-- | lib/lufa/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.h | 305 |
7 files changed, 0 insertions, 1818 deletions
diff --git a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/ADC_AVR8.h b/lib/lufa/LUFA/Drivers/Peripheral/AVR8/ADC_AVR8.h deleted file mode 100644 index a2b7eded3d..0000000000 --- a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/ADC_AVR8.h +++ /dev/null @@ -1,446 +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. -*/ - -/** \file - * \brief ADC Peripheral Driver (AVR8) - * - * On-chip Analogue-to-Digital converter (ADC) driver for supported U4, U6 and U7 model AVRs that contain an ADC - * peripheral internally. - * - * \note This file should not be included directly. It is automatically included as needed by the ADC driver - * dispatch header located in LUFA/Drivers/Peripheral/ADC.h. - */ - -/** \ingroup Group_ADC - * \defgroup Group_ADC_AVR8 ADC Peripheral Driver (AVR8) - * - * \section Sec_ADC_AVR8_ModDescription Module Description - * On-chip Analogue-to-Digital converter (ADC) driver for supported U4, U6 and U7 model AVRs that contain an ADC - * peripheral internally. - * - * \note This file should not be included directly. It is automatically included as needed by the ADC driver - * dispatch header located in LUFA/Drivers/Peripheral/ADC.h. - * - * \section Sec_ADC_AVR8_ExampleUsage Example Usage - * The following snippet is an example of how this module may be used within a typical - * application. - * - * \code - * // Initialize the ADC driver before first use - * ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_32); - * - * // Must setup the ADC channel to read beforehand - * ADC_SetupChannel(1); - * - * // Perform a single conversion of the ADC channel 1 - * ADC_GetChannelReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | ADC_CHANNEL1); - * printf("Conversion Result: %d\r\n", ADC_GetResult()); - * - * // Start reading ADC channel 1 in free running (continuous conversion) mode - * ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | ADC_CHANNEL1); - * for (;;) - * { - * while (!(ADC_IsReadingComplete())) {}; - * printf("Conversion Result: %d\r\n", ADC_GetResult()); - * } - * \endcode - * - * @{ - */ - -#ifndef __ADC_AVR8_H__ -#define __ADC_AVR8_H__ - - /* Includes: */ - #include "../../../Common/Common.h" - - /* Enable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - extern "C" { - #endif - - /* Preprocessor Checks: */ - #if !defined(__INCLUDE_FROM_ADC_H) - #error Do not include this file directly. Include LUFA/Drivers/Peripheral/ADC.h instead. - #endif - - #if !(defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB646__) || \ - defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB647__) || \ - defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) - #error The ADC peripheral driver is not currently available for your selected microcontroller model. - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** \name ADC Reference Configuration Masks */ - //@{ - /** Reference mask, for using the voltage present at the AVR's AREF pin for the ADC reference. */ - #define ADC_REFERENCE_AREF 0 - - /** Reference mask, for using the voltage present at the AVR's AVCC pin for the ADC reference. */ - #define ADC_REFERENCE_AVCC (1 << REFS0) - - /** Reference mask, for using the internally generated 2.56V reference voltage as the ADC reference. */ - #define ADC_REFERENCE_INT2560MV ((1 << REFS1) | (1 << REFS0)) - //@} - - /** \name ADC Result Adjustment Configuration Masks */ - //@{ - /** Left-adjusts the 10-bit ADC result, so that the upper 8 bits of the value returned by the - * \ref ADC_GetResult() macro contain the 8 most significant bits of the result. - */ - #define ADC_LEFT_ADJUSTED (1 << ADLAR) - - /** Right-adjusts the 10-bit ADC result, so that the lower 8 bits of the value returned by the - * \ref ADC_GetResult() macro contain the 8 least significant bits of the result. - */ - #define ADC_RIGHT_ADJUSTED (0 << ADLAR) - //@} - - /** \name ADC Mode Configuration Masks */ - //@{ - /** Sets the ADC mode to free running, so that conversions take place continuously as fast as the ADC - * is capable of at the given input clock speed. - */ - #define ADC_FREE_RUNNING (1 << ADATE) - - /** Sets the ADC mode to single conversion, so that only a single conversion will take place before - * the ADC returns to idle. - */ - #define ADC_SINGLE_CONVERSION (0 << ADATE) - //@} - - /** \name ADC Prescaler Configuration Masks */ - //@{ - /** Sets the ADC input clock to prescale by a factor of 2 the AVR's system clock. */ - #define ADC_PRESCALE_2 (1 << ADPS0) - - /** Sets the ADC input clock to prescale by a factor of 4 the AVR's system clock. */ - #define ADC_PRESCALE_4 (1 << ADPS1) - - /** Sets the ADC input clock to prescale by a factor of 8 the AVR's system clock. */ - #define ADC_PRESCALE_8 ((1 << ADPS0) | (1 << ADPS1)) - - /** Sets the ADC input clock to prescale by a factor of 16 the AVR's system clock. */ - #define ADC_PRESCALE_16 (1 << ADPS2) - - /** Sets the ADC input clock to prescale by a factor of 32 the AVR's system clock. */ - #define ADC_PRESCALE_32 ((1 << ADPS2) | (1 << ADPS0)) - - /** Sets the ADC input clock to prescale by a factor of 64 the AVR's system clock. */ - #define ADC_PRESCALE_64 ((1 << ADPS2) | (1 << ADPS1)) - - /** Sets the ADC input clock to prescale by a factor of 128 the AVR's system clock. */ - #define ADC_PRESCALE_128 ((1 << ADPS2) | (1 << ADPS1) | (1 << ADPS0)) - //@} - - /** \name ADC MUX Masks */ - //@{ - /** MUX mask define for the ADC0 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). */ - #define ADC_CHANNEL0 (0x00 << MUX0) - - /** MUX mask define for the ADC1 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). */ - #define ADC_CHANNEL1 (0x01 << MUX0) - - #if (!(defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) || defined(__DOXYGEN__)) - /** MUX mask define for the ADC2 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). - * - * \note Not available on all AVR models. - */ - #define ADC_CHANNEL2 (0x02 << MUX0) - - /** MUX mask define for the ADC3 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). - * - * \note Not available on all AVR models. - */ - #define ADC_CHANNEL3 (0x03 << MUX0) - #endif - - /** MUX mask define for the ADC4 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). */ - #define ADC_CHANNEL4 (0x04 << MUX0) - - /** MUX mask define for the ADC5 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). */ - #define ADC_CHANNEL5 (0x05 << MUX0) - - /** MUX mask define for the ADC6 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). */ - #define ADC_CHANNEL6 (0x06 << MUX0) - - /** MUX mask define for the ADC7 channel of the ADC. See \ref ADC_StartReading and \ref ADC_GetChannelReading. */ - #define ADC_CHANNEL7 (0x07 << MUX0) - - #if (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__DOXYGEN__)) - /** MUX mask define for the ADC8 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). - * - * \note Not available on all AVR models. - */ - #define ADC_CHANNEL8 ((1 << 8) | (0x00 << MUX0)) - - /** MUX mask define for the ADC9 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). - * - * \note Not available on all AVR models. - */ - #define ADC_CHANNEL9 ((1 << 8) | (0x01 << MUX0)) - - /** MUX mask define for the ADC10 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). - * - * \note Not available on all AVR models. - */ - #define ADC_CHANNEL10 ((1 << 8) | (0x02 << MUX0)) - - /** MUX mask define for the ADC11 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). - * - * \note Not available on all AVR models. - */ - #define ADC_CHANNEL11 ((1 << 8) | (0x03 << MUX0)) - - /** MUX mask define for the ADC12 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). - * - * \note Not available on all AVR models. - */ - #define ADC_CHANNEL12 ((1 << 8) | (0x04 << MUX0)) - - /** MUX mask define for the ADC13 channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). - * - * \note Not available on all AVR models. - */ - #define ADC_CHANNEL13 ((1 << 8) | (0x05 << MUX0)) - - /** MUX mask define for the internal temperature sensor channel of the ADC. See \ref ADC_StartReading() and - * \ref ADC_GetChannelReading(). - * - * \note Not available on all AVR models. - */ - #define ADC_INT_TEMP_SENS ((1 << 8) | (0x07 << MUX0)) - #endif - - /** MUX mask define for the internal 1.1V band-gap channel of the ADC. See \ref ADC_StartReading() and \ref ADC_GetChannelReading(). */ - #define ADC_1100MV_BANDGAP (0x1E << MUX0) - - /** Retrieves the ADC MUX mask for the given ADC channel number. - * - * \attention This macro will only work correctly on channel numbers that are compile-time - * constants defined by the preprocessor. - * - * \param[in] Channel Index of the ADC channel whose MUX mask is to be retrieved. - */ - #define ADC_GET_CHANNEL_MASK(Channel) CONCAT_EXPANDED(ADC_CHANNEL, Channel) - //@} - - /* Inline Functions: */ - /** Configures the given ADC channel, ready for ADC conversions. This function sets the - * associated port pin as an input and disables the digital portion of the I/O to reduce - * power consumption. - * - * \note This must only be called for ADC channels with are connected to a physical port - * pin of the AVR, denoted by its special alternative function ADCx. - * - * \warning The channel number must be specified as an integer, and <b>not</b> a \c ADC_CHANNEL* mask. - * - * \param[in] ChannelIndex ADC channel number to set up for conversions. - */ - static inline void ADC_SetupChannel(const uint8_t ChannelIndex) - { - #if (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB646__) || \ - defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB647__)) - DDRF &= ~(1 << ChannelIndex); - DIDR0 |= (1 << ChannelIndex); - #elif (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) - if (ChannelIndex < 8) - { - DDRF &= ~(1 << ChannelIndex); - DIDR0 |= (1 << ChannelIndex); - } - else if (ChannelIndex == 8) - { - DDRD &= ~(1 << 4); - DIDR2 |= (1 << 0); - } - else if (ChannelIndex < 11) - { - DDRD &= ~(1 << (ChannelIndex - 3)); - DIDR2 |= (1 << (ChannelIndex - 8)); - } - else - { - DDRB &= ~(1 << (ChannelIndex - 7)); - DIDR2 |= (1 << (ChannelIndex - 8)); - } - #endif - } - - /** De-configures the given ADC channel, re-enabling digital I/O mode instead of analog. This - * function sets the associated port pin as an input and re-enabled the digital portion of - * the I/O. - * - * \note This must only be called for ADC channels with are connected to a physical port - * pin of the AVR, denoted by its special alternative function ADCx. - * - * \warning The channel number must be specified as an integer, and <b>not</b> a \c ADC_CHANNEL* mask. - * - * \param[in] ChannelIndex ADC channel number to set up for conversions. - */ - static inline void ADC_DisableChannel(const uint8_t ChannelIndex) - { - #if (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB646__) || \ - defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB647__)) - DDRF &= ~(1 << ChannelIndex); - DIDR0 &= ~(1 << ChannelIndex); - #elif (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) - if (ChannelIndex < 8) - { - DDRF &= ~(1 << ChannelIndex); - DIDR0 &= ~(1 << ChannelIndex); - } - else if (ChannelIndex == 8) - { - DDRD &= ~(1 << 4); - DIDR2 &= ~(1 << 0); - } - else if (ChannelIndex < 11) - { - DDRD &= ~(1 << (ChannelIndex - 3)); - DIDR2 &= ~(1 << (ChannelIndex - 8)); - } - else - { - DDRB &= ~(1 << (ChannelIndex - 7)); - DIDR2 &= ~(1 << (ChannelIndex - 8)); - } - #endif - } - - /** Starts the reading of the given channel, but does not wait until the conversion has completed. - * Once executed, the conversion status can be determined via the \ref ADC_IsReadingComplete() macro and - * the result read via the \ref ADC_GetResult() macro. - * - * If the ADC has been initialized in free running mode, calling this function once will begin the repeated - * conversions. If the ADC is in single conversion mode (or the channel to convert from is to be changed), - * this function must be called each time a conversion is to take place. - * - * \param[in] MUXMask ADC channel mask, reference mask and adjustment mask. - */ - static inline void ADC_StartReading(const uint16_t MUXMask) - { - ADMUX = MUXMask; - - #if (defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__) || defined(__DOXYGEN__)) - if (MUXMask & (1 << 8)) - ADCSRB |= (1 << MUX5); - else - ADCSRB &= ~(1 << MUX5); - #endif - - ADCSRA |= (1 << ADSC); - } - - /** Indicates if the current ADC conversion is completed, or still in progress. - * - * \return Boolean \c false if the reading is still taking place, or true if the conversion is - * complete and ready to be read out with \ref ADC_GetResult(). - */ - static inline bool ADC_IsReadingComplete(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool ADC_IsReadingComplete(void) - { - return ((ADCSRA & (1 << ADIF)) ? true : false); - } - - /** Retrieves the conversion value of the last completed ADC conversion and clears the reading - * completion flag. - * - * \return The result of the last ADC conversion as an unsigned value. - */ - static inline uint16_t ADC_GetResult(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint16_t ADC_GetResult(void) - { - ADCSRA |= (1 << ADIF); - return ADC; - } - - /** Performs a complete single reading from channel, including a polling spin-loop to wait for the - * conversion to complete, and the returning of the converted value. - * - * \note For free running mode, the automated conversions should be initialized with a single call - * to \ref ADC_StartReading() to select the channel and begin the automated conversions, and - * the results read directly from the \ref ADC_GetResult() instead to reduce overhead. - * - * \param[in] MUXMask Mask comprising of an ADC channel mask, reference mask and adjustment mask. - * - * \return Converted ADC result for the given ADC channel. - */ - static inline uint16_t ADC_GetChannelReading(const uint16_t MUXMask) ATTR_WARN_UNUSED_RESULT; - static inline uint16_t ADC_GetChannelReading(const uint16_t MUXMask) - { - ADC_StartReading(MUXMask); - - while (!(ADC_IsReadingComplete())); - - return ADC_GetResult(); - } - - /** Initializes the ADC, ready for conversions. This must be called before any other ADC operations. - * The "mode" parameter should be a mask comprised of a conversion mode (free running or single) and - * prescaler masks. - * - * \param[in] Mode Mask of ADC prescale and mode settings. - */ - static inline void ADC_Init(const uint8_t Mode) ATTR_ALWAYS_INLINE; - static inline void ADC_Init(const uint8_t Mode) - { - ADCSRA = ((1 << ADEN) | Mode); - } - - /** Turns off the ADC. If this is called, any further ADC operations will require a call to - * \ref ADC_Init() before the ADC can be used again. - */ - static inline void ADC_Disable(void) ATTR_ALWAYS_INLINE; - static inline void ADC_Disable(void) - { - ADCSRA = 0; - } - - /** Indicates if the ADC is currently enabled. - * - * \return Boolean \c true if the ADC subsystem is currently enabled, \c false otherwise. - */ - static inline bool ADC_GetStatus(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool ADC_GetStatus(void) - { - return ((ADCSRA & (1 << ADEN)) ? true : false); - } - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - -/** @} */ - diff --git a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/SPI_AVR8.h b/lib/lufa/LUFA/Drivers/Peripheral/AVR8/SPI_AVR8.h deleted file mode 100644 index 7244f4a954..0000000000 --- a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/SPI_AVR8.h +++ /dev/null @@ -1,258 +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. -*/ - -/** \file - * \brief SPI Peripheral Driver (AVR8) - * - * On-chip SPI driver for the 8-bit AVR microcontrollers. - * - * \note This file should not be included directly. It is automatically included as needed by the SPI driver - * dispatch header located in LUFA/Drivers/Peripheral/SPI.h. - */ - -/** \ingroup Group_SPI - * \defgroup Group_SPI_AVR8 SPI Peripheral Driver (AVR8) - * - * \section Sec_SPI_AVR8_ModDescription Module Description - * Driver for the hardware SPI port available on most 8-bit AVR microcontroller models. This - * module provides an easy to use driver for the setup and transfer of data over the - * AVR's SPI port. - * - * \note This file should not be included directly. It is automatically included as needed by the SPI driver - * dispatch header located in LUFA/Drivers/Peripheral/SPI.h. - * - * \section Sec_SPI_AVR8_ExampleUsage Example Usage - * The following snippet is an example of how this module may be used within a typical - * application. - * - * \code - * // Initialize the SPI driver before first use - * SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING | - * SPI_SAMPLE_TRAILING | SPI_MODE_MASTER); - * - * // Send several bytes, ignoring the returned data - * SPI_SendByte(0x01); - * SPI_SendByte(0x02); - * SPI_SendByte(0x03); - * - * // Receive several bytes, sending a dummy 0x00 byte each time - * uint8_t Byte1 = SPI_ReceiveByte(); - * uint8_t Byte2 = SPI_ReceiveByte(); - * uint8_t Byte3 = SPI_ReceiveByte(); - * - * // Send a byte, and store the received byte from the same transaction - * uint8_t ResponseByte = SPI_TransferByte(0xDC); - * \endcode - * - * @{ - */ - -#ifndef __SPI_AVR8_H__ -#define __SPI_AVR8_H__ - - /* Includes: */ - #include "../../../Common/Common.h" - - /* Enable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - extern "C" { - #endif - - /* Preprocessor Checks: */ - #if !defined(__INCLUDE_FROM_SPI_H) - #error Do not include this file directly. Include LUFA/Drivers/Peripheral/SPI.h instead. - #endif - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - /* Macros: */ - #define SPI_USE_DOUBLESPEED (1 << SPE) - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** \name SPI Prescaler Configuration Masks */ - //@{ - /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 2. */ - #define SPI_SPEED_FCPU_DIV_2 SPI_USE_DOUBLESPEED - - /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 4. */ - #define SPI_SPEED_FCPU_DIV_4 0 - - /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 8. */ - #define SPI_SPEED_FCPU_DIV_8 (SPI_USE_DOUBLESPEED | (1 << SPR0)) - - /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 16. */ - #define SPI_SPEED_FCPU_DIV_16 (1 << SPR0) - - /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 32. */ - #define SPI_SPEED_FCPU_DIV_32 (SPI_USE_DOUBLESPEED | (1 << SPR1)) - - /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 64. */ - #define SPI_SPEED_FCPU_DIV_64 (SPI_USE_DOUBLESPEED | (1 << SPR1) | (1 << SPR0)) - - /** SPI prescaler mask for \ref SPI_Init(). Divides the system clock by a factor of 128. */ - #define SPI_SPEED_FCPU_DIV_128 ((1 << SPR1) | (1 << SPR0)) - //@} - - /** \name SPI SCK Polarity Configuration Masks */ - //@{ - /** SPI clock polarity mask for \ref SPI_Init(). Indicates that the SCK should lead on the rising edge. */ - #define SPI_SCK_LEAD_RISING (0 << CPOL) - - /** SPI clock polarity mask for \ref SPI_Init(). Indicates that the SCK should lead on the falling edge. */ - #define SPI_SCK_LEAD_FALLING (1 << CPOL) - //@} - - /** \name SPI Sample Edge Configuration Masks */ - //@{ - /** SPI data sample mode mask for \ref SPI_Init(). Indicates that the data should sampled on the leading edge. */ - #define SPI_SAMPLE_LEADING (0 << CPHA) - - /** SPI data sample mode mask for \ref SPI_Init(). Indicates that the data should be sampled on the trailing edge. */ - #define SPI_SAMPLE_TRAILING (1 << CPHA) - //@} - - /** \name SPI Data Ordering Configuration Masks */ - //@{ - /** SPI data order mask for \ref SPI_Init(). Indicates that data should be shifted out MSB first. */ - #define SPI_ORDER_MSB_FIRST (0 << DORD) - - /** SPI data order mask for \ref SPI_Init(). Indicates that data should be shifted out LSB first. */ - #define SPI_ORDER_LSB_FIRST (1 << DORD) - //@} - - /** \name SPI Mode Configuration Masks */ - //@{ - /** SPI mode mask for \ref SPI_Init(). Indicates that the SPI interface should be initialized into slave mode. */ - #define SPI_MODE_SLAVE (0 << MSTR) - - /** SPI mode mask for \ref SPI_Init(). Indicates that the SPI interface should be initialized into master mode. */ - #define SPI_MODE_MASTER (1 << MSTR) - //@} - - /* Inline Functions: */ - /** Initializes the SPI subsystem, ready for transfers. Must be called before calling any other - * SPI routines. - * - * \param[in] SPIOptions SPI Options, a mask consisting of one of each of the \c SPI_SPEED_*, - * \c SPI_SCK_*, \c SPI_SAMPLE_*, \c SPI_ORDER_* and \c SPI_MODE_* masks. - */ - static inline void SPI_Init(const uint8_t SPIOptions); - static inline void SPI_Init(const uint8_t SPIOptions) - { - /* Prevent high rise times on PB.0 (/SS) from forcing a change to SPI slave mode */ - DDRB |= (1 << 0); - PORTB |= (1 << 0); - - DDRB |= ((1 << 1) | (1 << 2)); - DDRB &= ~(1 << 3); - PORTB |= (1 << 3); - - if (SPIOptions & SPI_USE_DOUBLESPEED) - SPSR |= (1 << SPI2X); - else - SPSR &= ~(1 << SPI2X); - - /* Switch /SS to input mode after configuration to allow for forced mode changes */ - DDRB &= ~(1 << 0); - - SPCR = ((1 << SPE) | SPIOptions); - } - - /** Turns off the SPI driver, disabling and returning used hardware to their default configuration. */ - static inline void SPI_Disable(void); - static inline void SPI_Disable(void) - { - DDRB &= ~((1 << 1) | (1 << 2)); - PORTB &= ~((1 << 0) | (1 << 3)); - - SPCR = 0; - SPSR = 0; - } - - /** Retrieves the currently selected SPI mode, once the SPI interface has been configured. - * - * \return \ref SPI_MODE_MASTER if the interface is currently in SPI Master mode, \ref SPI_MODE_SLAVE otherwise - */ - static inline uint8_t SPI_GetCurrentMode(void) ATTR_ALWAYS_INLINE; - static inline uint8_t SPI_GetCurrentMode(void) - { - return (SPCR & SPI_MODE_MASTER); - } - - /** Sends and receives a byte through the SPI interface, blocking until the transfer is complete. - * - * \param[in] Byte Byte to send through the SPI interface. - * - * \return Response byte from the attached SPI device. - */ - static inline uint8_t SPI_TransferByte(const uint8_t Byte) ATTR_ALWAYS_INLINE; - static inline uint8_t SPI_TransferByte(const uint8_t Byte) - { - SPDR = Byte; - while (!(SPSR & (1 << SPIF))); - return SPDR; - } - - /** Sends a byte through the SPI interface, blocking until the transfer is complete. The response - * byte sent to from the attached SPI device is ignored. - * - * \param[in] Byte Byte to send through the SPI interface. - */ - static inline void SPI_SendByte(const uint8_t Byte) ATTR_ALWAYS_INLINE; - static inline void SPI_SendByte(const uint8_t Byte) - { - SPDR = Byte; - while (!(SPSR & (1 << SPIF))); - } - - /** Sends a dummy byte through the SPI interface, blocking until the transfer is complete. The response - * byte from the attached SPI device is returned. - * - * \return The response byte from the attached SPI device. - */ - static inline uint8_t SPI_ReceiveByte(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT; - static inline uint8_t SPI_ReceiveByte(void) - { - SPDR = 0x00; - while (!(SPSR & (1 << SPIF))); - return SPDR; - } - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - -/** @} */ - diff --git a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/SerialSPI_AVR8.h b/lib/lufa/LUFA/Drivers/Peripheral/AVR8/SerialSPI_AVR8.h deleted file mode 100644 index 052780e733..0000000000 --- a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/SerialSPI_AVR8.h +++ /dev/null @@ -1,208 +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. -*/ - -/** \file - * \brief Master SPI Mode Serial USART Peripheral Driver (XMEGA) - * - * On-chip Master SPI mode USART driver for the XMEGA AVR microcontrollers. - * - * \note This file should not be included directly. It is automatically included as needed by the SPI Master - * Mode USART driver dispatch header located in LUFA/Drivers/Peripheral/Serial.h. - */ - -/** \ingroup Group_SerialSPI - * \defgroup Group_SerialSPI_AVR8 Master SPI Mode Serial USART Peripheral Driver (AVR8) - * - * \section Sec_SerialSPI_AVR8_ModDescription Module Description - * On-chip serial USART driver for the 8-bit AVR8 microcontrollers. - * - * \note This file should not be included directly. It is automatically included as needed by the SPI Master - * driver dispatch header located in LUFA/Drivers/Peripheral/SerialSPI.h. - * - * \section Sec_SerialSPI_AVR8_ExampleUsage Example Usage - * The following snippet is an example of how this module may be used within a typical - * application. - * - * \code - * // Initialize the Master SPI mode USART driver before first use, with 1Mbit baud - * SerialSPI_Init((USART_SPI_SCK_LEAD_RISING | USART_SPI_SAMPLE_LEADING | USART_SPI_ORDER_MSB_FIRST), 1000000); - * - * // Send several bytes, ignoring the returned data - * SerialSPI_SendByte(0x01); - * SerialSPI_SendByte(0x02); - * SerialSPI_SendByte(0x03); - * - * // Receive several bytes, sending a dummy 0x00 byte each time - * uint8_t Byte1 = SerialSPI_ReceiveByte(); - * uint8_t Byte2 = SerialSPI_ReceiveByte(); - * uint8_t Byte3 = SerialSPI_ReceiveByte(); - * - * // Send a byte, and store the received byte from the same transaction - * uint8_t ResponseByte = SerialSPI_TransferByte(0xDC); - * \endcode - * - * @{ - */ - -#ifndef __SERIAL_SPI_AVR8_H__ -#define __SERIAL_SPI_AVR8_H__ - - /* Includes: */ - #include "../../../Common/Common.h" - - #include <stdio.h> - - /* Enable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - extern "C" { - #endif - - /* Preprocessor Checks: */ - #if !defined(__INCLUDE_FROM_SERIAL_SPI_H) - #error Do not include this file directly. Include LUFA/Drivers/Peripheral/Serial.h instead. - #endif - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - #define SERIAL_SPI_UBBRVAL(Baud) ((Baud < (F_CPU / 2)) ? ((F_CPU / (2 * Baud)) - 1) : 0) - - /* Master USART SPI mode flag definitions missing in the AVR8 toolchain */ - #if !defined(UCPHA1) - #define UCPHA1 1 - #endif - #if !defined(UDORD1) - #define UDORD1 2 - #endif - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** \name SPI SCK Polarity Configuration Masks */ - //@{ - /** SPI clock polarity mask for \ref SPI_Init(). Indicates that the SCK should lead on the rising edge. */ - #define USART_SPI_SCK_LEAD_RISING (0 << UCPOL1) - - /** SPI clock polarity mask for \ref SPI_Init(). Indicates that the SCK should lead on the falling edge. */ - #define USART_SPI_SCK_LEAD_FALLING (1 << UCPOL1) - //@} - - /** \name SPI Sample Edge Configuration Masks */ - //@{ - /** SPI data sample mode mask for \ref SerialSPI_Init(). Indicates that the data should sampled on the leading edge. */ - #define USART_SPI_SAMPLE_LEADING (0 << UCPHA1) - - /** SPI data sample mode mask for \ref SerialSPI_Init(). Indicates that the data should be sampled on the trailing edge. */ - #define USART_SPI_SAMPLE_TRAILING (1 << UCPHA1) - //@} - - /** \name SPI Data Ordering Configuration Masks */ - //@{ - /** SPI data order mask for \ref SerialSPI_Init(). Indicates that data should be shifted out MSB first. */ - #define USART_SPI_ORDER_MSB_FIRST (0 << UDORD1) - - /** SPI data order mask for \ref SerialSPI_Init(). Indicates that data should be shifted out LSB first. */ - #define USART_SPI_ORDER_LSB_FIRST (1 << UDORD1) - //@} - - /* Inline Functions: */ - /** Initialize the USART module in Master SPI mode. - * - * \param[in] SPIOptions USART SPI Options, a mask consisting of one of each of the \c USART_SPI_SCK_*, - * \c USART_SPI_SAMPLE_* and \c USART_SPI_ORDER_* masks. - * \param[in] BaudRate SPI baud rate, in bits per second. - */ - static inline void SerialSPI_Init(const uint8_t SPIOptions, - const uint32_t BaudRate) - { - DDRD |= ((1 << 3) | (1 << 5)); - PORTD |= (1 << 2); - - UCSR1C = ((1 << UMSEL11) | (1 << UMSEL10) | SPIOptions); - UCSR1B = ((1 << TXEN1) | (1 << RXEN1)); - - UBRR1 = SERIAL_SPI_UBBRVAL(BaudRate); - } - - /** Turns off the USART driver, disabling and returning used hardware to their default configuration. */ - static inline void SerialSPI_Disable(void) - { - UCSR1B = 0; - UCSR1A = 0; - UCSR1C = 0; - - UBRR1 = 0; - - DDRD &= ~((1 << 3) | (1 << 5)); - PORTD &= ~(1 << 2); - } - - /** Sends and receives a byte through the USART SPI interface, blocking until the transfer is complete. - * - * \param[in] DataByte Byte to send through the USART SPI interface. - * - * \return Response byte from the attached SPI device. - */ - static inline uint8_t SerialSPI_TransferByte(const uint8_t DataByte) - { - UDR1 = DataByte; - while (!(UCSR1A & (1 << TXC1))); - UCSR1A = (1 << TXC1); - return UDR1; - } - - /** Sends a byte through the USART SPI interface, blocking until the transfer is complete. The response - * byte sent to from the attached SPI device is ignored. - * - * \param[in] DataByte Byte to send through the USART SPI interface. - */ - static inline void SerialSPI_SendByte(const uint8_t DataByte) - { - SerialSPI_TransferByte(DataByte); - } - - /** Sends a dummy byte through the USART SPI interface, blocking until the transfer is complete. The response - * byte from the attached SPI device is returned. - * - * \return The response byte from the attached SPI device. - */ - static inline uint8_t SerialSPI_ReceiveByte(void) - { - return SerialSPI_TransferByte(0); - } - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - -/** @} */ - diff --git a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/Serial_AVR8.c b/lib/lufa/LUFA/Drivers/Peripheral/AVR8/Serial_AVR8.c deleted file mode 100644 index 779a80c48c..0000000000 --- a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/Serial_AVR8.c +++ /dev/null @@ -1,121 +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 "../../../Common/Common.h" -#if (ARCH == ARCH_AVR8) - -#define __INCLUDE_FROM_SERIAL_C -#include "../Serial.h" - -FILE USARTSerialStream; - -int Serial_putchar(char DataByte, - FILE *Stream) -{ - (void)Stream; - - Serial_SendByte(DataByte); - return 0; -} - -int Serial_getchar(FILE *Stream) -{ - (void)Stream; - - if (!(Serial_IsCharReceived())) - return _FDEV_EOF; - - return Serial_ReceiveByte(); -} - -int Serial_getchar_Blocking(FILE *Stream) -{ - (void)Stream; - - while (!(Serial_IsCharReceived())); - return Serial_ReceiveByte(); -} - -void Serial_SendString_P(const char* FlashStringPtr) -{ - uint8_t CurrByte; - - while ((CurrByte = pgm_read_byte(FlashStringPtr)) != 0x00) - { - Serial_SendByte(CurrByte); - FlashStringPtr++; - } -} - -void Serial_SendString(const char* StringPtr) -{ - uint8_t CurrByte; - - while ((CurrByte = *StringPtr) != 0x00) - { - Serial_SendByte(CurrByte); - StringPtr++; - } -} - -void Serial_SendData(const void* Buffer, - uint16_t Length) -{ - uint8_t* CurrByte = (uint8_t*)Buffer; - - while (Length--) - Serial_SendByte(*(CurrByte++)); -} - -void Serial_CreateStream(FILE* Stream) -{ - if (!(Stream)) - { - Stream = &USARTSerialStream; - stdin = Stream; - stdout = Stream; - } - - *Stream = (FILE)FDEV_SETUP_STREAM(Serial_putchar, Serial_getchar, _FDEV_SETUP_RW); -} - -void Serial_CreateBlockingStream(FILE* Stream) -{ - if (!(Stream)) - { - Stream = &USARTSerialStream; - stdin = Stream; - stdout = Stream; - } - - *Stream = (FILE)FDEV_SETUP_STREAM(Serial_putchar, Serial_getchar_Blocking, _FDEV_SETUP_RW); -} - -#endif diff --git a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/Serial_AVR8.h b/lib/lufa/LUFA/Drivers/Peripheral/AVR8/Serial_AVR8.h deleted file mode 100644 index b3e7ee36a4..0000000000 --- a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/Serial_AVR8.h +++ /dev/null @@ -1,271 +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. -*/ - -/** \file - * \brief Serial USART Peripheral Driver (AVR8) - * - * On-chip serial USART driver for the 8-bit AVR microcontrollers. - * - * \note This file should not be included directly. It is automatically included as needed by the USART driver - * dispatch header located in LUFA/Drivers/Peripheral/Serial.h. - */ - -/** \ingroup Group_Serial - * \defgroup Group_Serial_AVR8 Serial USART Peripheral Driver (AVR8) - * - * \section Sec_Serial_AVR8_ModDescription Module Description - * On-chip serial USART driver for the 8-bit AVR microcontrollers. - * - * \note This file should not be included directly. It is automatically included as needed by the USART driver - * dispatch header located in LUFA/Drivers/Peripheral/Serial.h. - * - * \section Sec_Serial_AVR8_ExampleUsage Example Usage - * The following snippet is an example of how this module may be used within a typical - * application. - * - * \code - * // Initialize the serial USART driver before first use, with 9600 baud (and no double-speed mode) - * Serial_Init(9600, false); - * - * // Send a string through the USART - * Serial_SendString("Test String\r\n"); - * - * // Send a raw byte through the USART - * Serial_SendByte(0xDC); - * - * // Receive a byte through the USART (or -1 if no data received) - * int16_t DataByte = Serial_ReceiveByte(); - * \endcode - * - * @{ - */ - -#ifndef __SERIAL_AVR8_H__ -#define __SERIAL_AVR8_H__ - - /* Includes: */ - #include "../../../Common/Common.h" - #include "../../Misc/TerminalCodes.h" - - #include <stdio.h> - - /* Enable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - extern "C" { - #endif - - /* Preprocessor Checks: */ - #if !defined(__INCLUDE_FROM_SERIAL_H) && !defined(__INCLUDE_FROM_SERIAL_C) - #error Do not include this file directly. Include LUFA/Drivers/Peripheral/Serial.h instead. - #endif - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - /* External Variables: */ - extern FILE USARTSerialStream; - - /* Function Prototypes: */ - int Serial_putchar(char DataByte, - FILE *Stream); - int Serial_getchar(FILE *Stream); - int Serial_getchar_Blocking(FILE *Stream); - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** Macro for calculating the baud value from a given baud rate when the \c U2X (double speed) bit is - * not set. - * - * \param[in] Baud Target serial UART baud rate. - * - * \return Closest UBRR register value for the given UART frequency. - */ - #define SERIAL_UBBRVAL(Baud) ((((F_CPU / 16) + (Baud / 2)) / (Baud)) - 1) - - /** Macro for calculating the baud value from a given baud rate when the \c U2X (double speed) bit is - * set. - * - * \param[in] Baud Target serial UART baud rate. - * - * \return Closest UBRR register value for the given UART frequency. - */ - #define SERIAL_2X_UBBRVAL(Baud) ((((F_CPU / 8) + (Baud / 2)) / (Baud)) - 1) - - /* Function Prototypes: */ - /** Transmits a given NUL terminated string located in program space (FLASH) through the USART. - * - * \param[in] FlashStringPtr Pointer to a string located in program space. - */ - void Serial_SendString_P(const char* FlashStringPtr) ATTR_NON_NULL_PTR_ARG(1); - - /** Transmits a given NUL terminated string located in SRAM memory through the USART. - * - * \param[in] StringPtr Pointer to a string located in SRAM space. - */ - void Serial_SendString(const char* StringPtr) ATTR_NON_NULL_PTR_ARG(1); - - /** Transmits a given buffer located in SRAM memory through the USART. - * - * \param[in] Buffer Pointer to a buffer containing the data to send. - * \param[in] Length Length of the data to send, in bytes. - */ - void Serial_SendData(const void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - - /** Creates a standard character stream from the USART so that it can be used with all the regular functions - * in the avr-libc \c <stdio.h> library that accept a \c FILE stream as a destination (e.g. \c fprintf). The created - * stream is bidirectional and can be used for both input and output functions. - * - * Reading data from this stream is non-blocking, i.e. in most instances, complete strings cannot be read in by a single - * fetch, as the endpoint will not be ready at some point in the transmission, aborting the transfer. However, this may - * be used when the read data is processed byte-per-bye (via \c getc()) or when the user application will implement its own - * line buffering. - * - * \param[in,out] Stream Pointer to a FILE structure where the created stream should be placed, if \c NULL, \c stdout - * and \c stdin will be configured to use the USART. - * - * \pre The USART must first be configured via a call to \ref Serial_Init() before the stream is used. - */ - void Serial_CreateStream(FILE* Stream); - - /** Identical to \ref Serial_CreateStream(), except that reads are blocking until the calling stream function terminates - * the transfer. - * - * \param[in,out] Stream Pointer to a FILE structure where the created stream should be placed, if \c NULL, \c stdout - * and \c stdin will be configured to use the USART. - * - * \pre The USART must first be configured via a call to \ref Serial_Init() before the stream is used. - */ - void Serial_CreateBlockingStream(FILE* Stream); - - /* Inline Functions: */ - /** Initializes the USART, ready for serial data transmission and reception. This initializes the interface to - * standard 8-bit, no parity, 1 stop bit settings suitable for most applications. - * - * \param[in] BaudRate Serial baud rate, in bits per second. This should be the target baud rate regardless of the - * \c DoubleSpeed parameter's value. - * \param[in] DoubleSpeed Enables double speed mode when set, halving the sample time to double the baud rate. - */ - static inline void Serial_Init(const uint32_t BaudRate, - const bool DoubleSpeed); - static inline void Serial_Init(const uint32_t BaudRate, - const bool DoubleSpeed) - { - UBRR1 = (DoubleSpeed ? SERIAL_2X_UBBRVAL(BaudRate) : SERIAL_UBBRVAL(BaudRate)); - - UCSR1C = ((1 << UCSZ11) | (1 << UCSZ10)); - UCSR1A = (DoubleSpeed ? (1 << U2X1) : 0); - UCSR1B = ((1 << TXEN1) | (1 << RXEN1)); - - DDRD |= (1 << 3); - PORTD |= (1 << 2); - } - - /** Turns off the USART driver, disabling and returning used hardware to their default configuration. */ - static inline void Serial_Disable(void); - static inline void Serial_Disable(void) - { - UCSR1B = 0; - UCSR1A = 0; - UCSR1C = 0; - - UBRR1 = 0; - - DDRD &= ~(1 << 3); - PORTD &= ~(1 << 2); - } - - /** Indicates whether a character has been received through the USART. - * - * \return Boolean \c true if a character has been received, \c false otherwise. - */ - static inline bool Serial_IsCharReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Serial_IsCharReceived(void) - { - return ((UCSR1A & (1 << RXC1)) ? true : false); - } - - /** Indicates whether there is hardware buffer space for a new transmit on the USART. This - * function can be used to determine if a call to \ref Serial_SendByte() will block in advance. - * - * \return Boolean \c true if a character can be queued for transmission immediately, \c false otherwise. - */ - static inline bool Serial_IsSendReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Serial_IsSendReady(void) - { - return ((UCSR1A & (1 << UDRE1)) ? true : false); - } - - /** Indicates whether the hardware USART transmit buffer is completely empty, indicating all - * pending transmissions have completed. - * - * \return Boolean \c true if no characters are buffered for transmission, \c false otherwise. - */ - static inline bool Serial_IsSendComplete(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Serial_IsSendComplete(void) - { - return ((UCSR1A & (1 << TXC1)) ? true : false); - } - - /** Transmits a given byte through the USART. - * - * \note If no buffer space is available in the hardware USART, this function will block. To check if - * space is available before calling this function, see \ref Serial_IsSendReady(). - * - * \param[in] DataByte Byte to transmit through the USART. - */ - static inline void Serial_SendByte(const char DataByte) ATTR_ALWAYS_INLINE; - static inline void Serial_SendByte(const char DataByte) - { - while (!(Serial_IsSendReady())); - UDR1 = DataByte; - } - - /** Receives the next byte from the USART. - * - * \return Next byte received from the USART, or a negative value if no byte has been received. - */ - static inline int16_t Serial_ReceiveByte(void) ATTR_ALWAYS_INLINE; - static inline int16_t Serial_ReceiveByte(void) - { - if (!(Serial_IsCharReceived())) - return -1; - - return UDR1; - } - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - -/** @} */ - diff --git a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.c b/lib/lufa/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.c deleted file mode 100644 index eb08687be3..0000000000 --- a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.c +++ /dev/null @@ -1,209 +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 "../../../Common/Common.h" -#if (ARCH == ARCH_AVR8) && defined(TWCR) - -#define __INCLUDE_FROM_TWI_C -#include "../TWI.h" - -uint8_t TWI_StartTransmission(const uint8_t SlaveAddress, - const uint8_t TimeoutMS) -{ - for (;;) - { - bool BusCaptured = false; - uint16_t TimeoutRemaining; - - TWCR = ((1 << TWINT) | (1 << TWSTA) | (1 << TWEN)); - - TimeoutRemaining = (TimeoutMS * 100); - while (TimeoutRemaining && !(BusCaptured)) - { - if (TWCR & (1 << TWINT)) - { - switch (TWSR & TW_STATUS_MASK) - { - case TW_START: - case TW_REP_START: - BusCaptured = true; - break; - case TW_MT_ARB_LOST: - TWCR = ((1 << TWINT) | (1 << TWSTA) | (1 << TWEN)); - continue; - default: - TWCR = (1 << TWEN); - return TWI_ERROR_BusFault; - } - } - - _delay_us(10); - TimeoutRemaining--; - } - - if (!(TimeoutRemaining)) - { - TWCR = (1 << TWEN); - return TWI_ERROR_BusCaptureTimeout; - } - - TWDR = SlaveAddress; - TWCR = ((1 << TWINT) | (1 << TWEN)); - - TimeoutRemaining = (TimeoutMS * 100); - while (TimeoutRemaining) - { - if (TWCR & (1 << TWINT)) - break; - - _delay_us(10); - TimeoutRemaining--; - } - - if (!(TimeoutRemaining)) - return TWI_ERROR_SlaveResponseTimeout; - - switch (TWSR & TW_STATUS_MASK) - { - case TW_MT_SLA_ACK: - case TW_MR_SLA_ACK: - return TWI_ERROR_NoError; - default: - TWCR = ((1 << TWINT) | (1 << TWSTO) | (1 << TWEN)); - return TWI_ERROR_SlaveNotReady; - } - } -} - -bool TWI_SendByte(const uint8_t Byte) -{ - TWDR = Byte; - TWCR = ((1 << TWINT) | (1 << TWEN)); - while (!(TWCR & (1 << TWINT))); - - return ((TWSR & TW_STATUS_MASK) == TW_MT_DATA_ACK); -} - -bool TWI_ReceiveByte(uint8_t* const Byte, - const bool LastByte) -{ - uint8_t TWCRMask; - - if (LastByte) - TWCRMask = ((1 << TWINT) | (1 << TWEN)); - else - TWCRMask = ((1 << TWINT) | (1 << TWEN) | (1 << TWEA)); - - TWCR = TWCRMask; - while (!(TWCR & (1 << TWINT))); - *Byte = TWDR; - - uint8_t Status = (TWSR & TW_STATUS_MASK); - - return ((LastByte) ? (Status == TW_MR_DATA_NACK) : (Status == TW_MR_DATA_ACK)); -} - -uint8_t TWI_ReadPacket(const uint8_t SlaveAddress, - const uint8_t TimeoutMS, - const uint8_t* InternalAddress, - uint8_t InternalAddressLen, - uint8_t* Buffer, - uint16_t Length) -{ - uint8_t ErrorCode; - - if ((ErrorCode = TWI_StartTransmission((SlaveAddress & TWI_DEVICE_ADDRESS_MASK) | TWI_ADDRESS_WRITE, - TimeoutMS)) == TWI_ERROR_NoError) - { - while (InternalAddressLen--) - { - if (!(TWI_SendByte(*(InternalAddress++)))) - { - ErrorCode = TWI_ERROR_SlaveNAK; - break; - } - } - - if ((ErrorCode = TWI_StartTransmission((SlaveAddress & TWI_DEVICE_ADDRESS_MASK) | TWI_ADDRESS_READ, - TimeoutMS)) == TWI_ERROR_NoError) - { - while (Length--) - { - if (!(TWI_ReceiveByte(Buffer++, (Length == 0)))) - { - ErrorCode = TWI_ERROR_SlaveNAK; - break; - } - } - - TWI_StopTransmission(); - } - } - - return ErrorCode; -} - -uint8_t TWI_WritePacket(const uint8_t SlaveAddress, - const uint8_t TimeoutMS, - const uint8_t* InternalAddress, - uint8_t InternalAddressLen, - const uint8_t* Buffer, - uint16_t Length) -{ - uint8_t ErrorCode; - - if ((ErrorCode = TWI_StartTransmission((SlaveAddress & TWI_DEVICE_ADDRESS_MASK) | TWI_ADDRESS_WRITE, - TimeoutMS)) == TWI_ERROR_NoError) - { - while (InternalAddressLen--) - { - if (!(TWI_SendByte(*(InternalAddress++)))) - { - ErrorCode = TWI_ERROR_SlaveNAK; - break; - } - } - - while (Length--) - { - if (!(TWI_SendByte(*(Buffer++)))) - { - ErrorCode = TWI_ERROR_SlaveNAK; - break; - } - } - - TWI_StopTransmission(); - } - - return ErrorCode; -} - -#endif diff --git a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.h b/lib/lufa/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.h deleted file mode 100644 index a8b845a5d7..0000000000 --- a/lib/lufa/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.h +++ /dev/null @@ -1,305 +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. -*/ - -/** \file - * \brief TWI Peripheral Driver (AVR8) - * - * On-chip TWI driver for the 8-bit AVR microcontrollers. - * - * \note This file should not be included directly. It is automatically included as needed by the TWI driver - * dispatch header located in LUFA/Drivers/Peripheral/TWI.h. - */ - -/** \ingroup Group_TWI - * \defgroup Group_TWI_AVR8 TWI Peripheral Driver (AVR8) - * - * \section Sec_TWI_AVR8_ModDescription Module Description - * Master mode TWI driver for the 8-bit AVR microcontrollers which contain a hardware TWI module. - * - * \note This file should not be included directly. It is automatically included as needed by the TWI driver - * dispatch header located in LUFA/Drivers/Peripheral/TWI.h. - * - * \section Sec_TWI_AVR8_ExampleUsage Example Usage - * The following snippet is an example of how this module may be used within a typical - * application. - * - * <b>Low Level API Example:</b> - * \code - * // Initialize the TWI driver before first use at 200KHz - * TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 200000)); - * - * // Start a write session to device at device address 0xA0, internal address 0xDC with a 10ms timeout - * if (TWI_StartTransmission(0xA0 | TWI_ADDRESS_WRITE, 10) == TWI_ERROR_NoError) - * { - * TWI_SendByte(0xDC); - * - * TWI_SendByte(0x01); - * TWI_SendByte(0x02); - * TWI_SendByte(0x03); - * - * // Must stop transmission afterwards to release the bus - * TWI_StopTransmission(); - * } - * - * // Start a read session to device at address 0xA0, internal address 0xDC with a 10ms timeout - * if (TWI_StartTransmission(0xA0 | TWI_ADDRESS_WRITE, 10) == TWI_ERROR_NoError) - * { - * TWI_SendByte(0xDC); - * TWI_StopTransmission(); - * - * if (TWI_StartTransmission(0xA0 | TWI_ADDRESS_READ, 10) == TWI_ERROR_NoError) - * { - * uint8_t Byte1, Byte2, Byte3; - * - * // Read three bytes, acknowledge after the third byte is received - * TWI_ReceiveByte(&Byte1, false); - * TWI_ReceiveByte(&Byte2, false); - * TWI_ReceiveByte(&Byte3, true); - * - * // Must stop transmission afterwards to release the bus - * TWI_StopTransmission(); - * } - * } - * \endcode - * - * <b>High Level API Example:</b> - * \code - * // Initialize the TWI driver before first use at 200KHz - * TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 200000)); - * - * // Start a write session to device at device address 0xA0, internal address 0xDC with a 10ms timeout - * uint8_t InternalWriteAddress = 0xDC; - * uint8_t WritePacket[3] = {0x01, 0x02, 0x03}; - * - * TWI_WritePacket(0xA0, 10, &InternalWriteAddress, sizeof(InternalWriteAddress), - * &WritePacket, sizeof(WritePacket); - * - * // Start a read session to device at address 0xA0, internal address 0xDC with a 10ms timeout - * uint8_t InternalReadAddress = 0xDC; - * uint8_t ReadPacket[3]; - * - * TWI_ReadPacket(0xA0, 10, &InternalReadAddress, sizeof(InternalReadAddress), - * &ReadPacket, sizeof(ReadPacket); - * \endcode - * - * @{ - */ - -#ifndef __TWI_AVR8_H__ -#define __TWI_AVR8_H__ - - /* Includes: */ - #include "../../../Common/Common.h" - - #include <stdio.h> - #include <util/twi.h> - - /* Enable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - extern "C" { - #endif - - /* Preprocessor Checks: */ - #if !defined(__INCLUDE_FROM_TWI_H) && !defined(__INCLUDE_FROM_TWI_C) - #error Do not include this file directly. Include LUFA/Drivers/Peripheral/TWI.h instead. - #endif - - #if !(defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB646__) || \ - defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB647__) || \ - defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)) - #error The TWI peripheral driver is not currently available for your selected microcontroller model. - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** TWI slave device address mask for a read session. Mask with a slave device base address to obtain - * the correct TWI bus address for the slave device when reading data from it. - */ - #define TWI_ADDRESS_READ 0x01 - - /** TWI slave device address mask for a write session. Mask with a slave device base address to obtain - * the correct TWI bus address for the slave device when writing data to it. - */ - #define TWI_ADDRESS_WRITE 0x00 - - /** Mask to retrieve the base address for a TWI device, which can then be ORed with \ref TWI_ADDRESS_READ - * or \ref TWI_ADDRESS_WRITE to obtain the device's read and write address respectively. - */ - #define TWI_DEVICE_ADDRESS_MASK 0xFE - - /** Bit length prescaler for \ref TWI_Init(). This mask multiplies the TWI bit length prescaler by 1. */ - #define TWI_BIT_PRESCALE_1 ((0 << TWPS1) | (0 << TWPS0)) - - /** Bit length prescaler for \ref TWI_Init(). This mask multiplies the TWI bit length prescaler by 4. */ - #define TWI_BIT_PRESCALE_4 ((0 << TWPS1) | (1 << TWPS0)) - - /** Bit length prescaler for \ref TWI_Init(). This mask multiplies the TWI bit length prescaler by 16. */ - #define TWI_BIT_PRESCALE_16 ((1 << TWPS1) | (0 << TWPS0)) - - /** Bit length prescaler for \ref TWI_Init(). This mask multiplies the TWI bit length prescaler by 64. */ - #define TWI_BIT_PRESCALE_64 ((1 << TWPS1) | (1 << TWPS0)) - - /** Calculates the length of each bit on the TWI bus for a given target frequency. This may be used with - * the \ref TWI_Init() function to convert a bus frequency to a number of clocks for the \c BitLength - * parameter. - * - * \param[in] Prescale Prescaler set on the TWI bus. - * \param[in] Frequency Desired TWI bus frequency in Hz. - * - * \return Bit length in clocks for the given TWI bus frequency at the given prescaler value. - */ - #define TWI_BITLENGTH_FROM_FREQ(Prescale, Frequency) ((((F_CPU / (Prescale)) / (Frequency)) - 16) / 2) - - /* Enums: */ - /** Enum for the possible return codes of the TWI transfer start routine and other dependant TWI functions. */ - enum TWI_ErrorCodes_t - { - TWI_ERROR_NoError = 0, /**< Indicates that the command completed successfully. */ - TWI_ERROR_BusFault = 1, /**< A TWI bus fault occurred while attempting to capture the bus. */ - TWI_ERROR_BusCaptureTimeout = 2, /**< A timeout occurred whilst waiting for the bus to be ready. */ - TWI_ERROR_SlaveResponseTimeout = 3, /**< No ACK received at the nominated slave address within the timeout period. */ - TWI_ERROR_SlaveNotReady = 4, /**< Slave NAKed the TWI bus START condition. */ - TWI_ERROR_SlaveNAK = 5, /**< Slave NAKed whilst attempting to send data to the device. */ - }; - - /* Inline Functions: */ - /** Initializes the TWI hardware into master mode, ready for data transmission and reception. This must be - * before any other TWI operations. - * - * The generated SCL frequency will be according to the formula <pre>F_CPU / (16 + 2 * BitLength + 4 ^ Prescale)</pre>. - * - * \attention The value of the \c BitLength parameter should not be set below 10 or invalid bus conditions may - * occur, as indicated in the AVR8 microcontroller datasheet. - * - * \param[in] Prescale Prescaler to use when determining the bus frequency, a \c TWI_BIT_PRESCALE_* value. - * \param[in] BitLength Length of the bits sent on the bus. - */ - static inline void TWI_Init(const uint8_t Prescale, - const uint8_t BitLength) ATTR_ALWAYS_INLINE; - static inline void TWI_Init(const uint8_t Prescale, - const uint8_t BitLength) - { - TWCR |= (1 << TWEN); - TWSR = Prescale; - TWBR = BitLength; - } - - /** Turns off the TWI driver hardware. If this is called, any further TWI operations will require a call to - * \ref TWI_Init() before the TWI can be used again. - */ - static inline void TWI_Disable(void) ATTR_ALWAYS_INLINE; - static inline void TWI_Disable(void) - { - TWCR &= ~(1 << TWEN); - } - - /** Sends a TWI STOP onto the TWI bus, terminating communication with the currently addressed device. */ - static inline void TWI_StopTransmission(void) ATTR_ALWAYS_INLINE; - static inline void TWI_StopTransmission(void) - { - TWCR = ((1 << TWINT) | (1 << TWSTO) | (1 << TWEN)); - } - - /* Function Prototypes: */ - /** Begins a master mode TWI bus communication with the given slave device address. - * - * \param[in] SlaveAddress Address of the slave TWI device to communicate with. - * \param[in] TimeoutMS Timeout period within which the slave must respond, in milliseconds. - * - * \return A value from the \ref TWI_ErrorCodes_t enum. - */ - uint8_t TWI_StartTransmission(const uint8_t SlaveAddress, - const uint8_t TimeoutMS); - - /** Sends a byte to the currently addressed device on the TWI bus. - * - * \param[in] Byte Byte to send to the currently addressed device - * - * \return Boolean \c true if the recipient ACKed the byte, \c false otherwise - */ - bool TWI_SendByte(const uint8_t Byte); - - /** Receives a byte from the currently addressed device on the TWI bus. - * - * \param[in] Byte Location where the read byte is to be stored. - * \param[in] LastByte Indicates if the byte should be ACKed if false, NAKed if true. - * - * \return Boolean \c true if the byte reception successfully completed, \c false otherwise. - */ - bool TWI_ReceiveByte(uint8_t* const Byte, - const bool LastByte) ATTR_NON_NULL_PTR_ARG(1); - - /** High level function to perform a complete packet transfer over the TWI bus to the specified - * device. - * - * \param[in] SlaveAddress Base address of the TWI slave device to communicate with. - * \param[in] TimeoutMS Timeout for bus capture and slave START ACK, in milliseconds. - * \param[in] InternalAddress Pointer to a location where the internal slave read start address is stored. - * \param[in] InternalAddressLen Size of the internal device address, in bytes. - * \param[in] Buffer Pointer to a buffer where the read packet data is to be stored. - * \param[in] Length Size of the packet to read, in bytes. - * - * \return A value from the \ref TWI_ErrorCodes_t enum. - */ - uint8_t TWI_ReadPacket(const uint8_t SlaveAddress, - const uint8_t TimeoutMS, - const uint8_t* InternalAddress, - uint8_t InternalAddressLen, - uint8_t* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(3); - - /** High level function to perform a complete packet transfer over the TWI bus from the specified - * device. - * - * \param[in] SlaveAddress Base address of the TWI slave device to communicate with - * \param[in] TimeoutMS Timeout for bus capture and slave START ACK, in milliseconds - * \param[in] InternalAddress Pointer to a location where the internal slave write start address is stored - * \param[in] InternalAddressLen Size of the internal device address, in bytes - * \param[in] Buffer Pointer to a buffer where the packet data to send is stored - * \param[in] Length Size of the packet to send, in bytes - * - * \return A value from the \ref TWI_ErrorCodes_t enum. - */ - uint8_t TWI_WritePacket(const uint8_t SlaveAddress, - const uint8_t TimeoutMS, - const uint8_t* InternalAddress, - uint8_t InternalAddressLen, - const uint8_t* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(3); - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - -/** @} */ - |