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author | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 21:33:29 +0200 |
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committer | GitHub <noreply@github.com> | 2017-07-07 21:33:29 +0200 |
commit | 9de443cbf10ac41bc15762c9c83f138f51dd3b9a (patch) | |
tree | d8ddcb428e0b7d9773a1e52c42b60bdca2658beb /tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/Peripheral/AVR8/SerialSPI_AVR8.h | |
parent | 88b3d051b21cb1ddacc6353c5d59b19f03f3a242 (diff) | |
parent | 1c26468ad5a0701e244c99cbcbc547c93b75d515 (diff) | |
download | qmk_firmware-9de443cbf10ac41bc15762c9c83f138f51dd3b9a.tar.gz qmk_firmware-9de443cbf10ac41bc15762c9c83f138f51dd3b9a.tar.xz |
Merge pull request #1471 from qmk/lufa_lib
Update LUFA and move it to /lib/lufa
Diffstat (limited to 'tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/Peripheral/AVR8/SerialSPI_AVR8.h')
-rw-r--r-- | tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/Peripheral/AVR8/SerialSPI_AVR8.h | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/Peripheral/AVR8/SerialSPI_AVR8.h b/tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/Peripheral/AVR8/SerialSPI_AVR8.h deleted file mode 100644 index 8d58369a1..000000000 --- a/tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/Peripheral/AVR8/SerialSPI_AVR8.h +++ /dev/null @@ -1,208 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2014. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2014 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 - -/** @} */ - |