* Unite half-duplex and full-duplex serial driver. * Add full duplex operation mode to the interrupt based driver * Delete DMA UART based full duplex driver * The new driver targets #11930 * Fix freezes with failing transactions in half-duplex * Increase default serial TX/RX buffer size to 128 bytes * Correctly use bool instead of size_t Co-authored-by: Nick Brassel <nick@tzarc.org>
		
			
				
	
	
		
			117 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			117 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Copyright 2021 QMK
 | 
						|
 *
 | 
						|
 * This program is free software: you can redistribute it and/or modify
 | 
						|
 * it under the terms of the GNU General Public License as published by
 | 
						|
 * the Free Software Foundation, either version 3 of the License, or
 | 
						|
 * (at your option) any later version.
 | 
						|
 *
 | 
						|
 * This program is distributed in the hope that it will be useful,
 | 
						|
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | 
						|
 * GNU General Public License for more details.
 | 
						|
 *
 | 
						|
 * You should have received a copy of the GNU General Public License
 | 
						|
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 | 
						|
 */
 | 
						|
 | 
						|
#pragma once
 | 
						|
 | 
						|
#include "quantum.h"
 | 
						|
#include "serial.h"
 | 
						|
#include "printf.h"
 | 
						|
 | 
						|
#include <ch.h>
 | 
						|
#include <hal.h>
 | 
						|
 | 
						|
#if !defined(SERIAL_USART_DRIVER)
 | 
						|
#    define SERIAL_USART_DRIVER SD1
 | 
						|
#endif
 | 
						|
 | 
						|
#if !defined(USE_GPIOV1)
 | 
						|
/* The default PAL alternate modes are used to signal that the pins are used for USART. */
 | 
						|
#    if !defined(SERIAL_USART_TX_PAL_MODE)
 | 
						|
#        define SERIAL_USART_TX_PAL_MODE 7
 | 
						|
#    endif
 | 
						|
#    if !defined(SERIAL_USART_RX_PAL_MODE)
 | 
						|
#        define SERIAL_USART_RX_PAL_MODE 7
 | 
						|
#    endif
 | 
						|
#endif
 | 
						|
 | 
						|
#if defined(SOFT_SERIAL_PIN)
 | 
						|
#    define SERIAL_USART_TX_PIN SOFT_SERIAL_PIN
 | 
						|
#endif
 | 
						|
 | 
						|
#if !defined(SERIAL_USART_TX_PIN)
 | 
						|
#    define SERIAL_USART_TX_PIN A9
 | 
						|
#endif
 | 
						|
 | 
						|
#if !defined(SERIAL_USART_RX_PIN)
 | 
						|
#    define SERIAL_USART_RX_PIN A10
 | 
						|
#endif
 | 
						|
 | 
						|
#if !defined(USART_CR1_M0)
 | 
						|
#    define USART_CR1_M0 USART_CR1_M  // some platforms (f1xx) dont have this so
 | 
						|
#endif
 | 
						|
 | 
						|
#if !defined(SERIAL_USART_CR1)
 | 
						|
#    define SERIAL_USART_CR1 (USART_CR1_PCE | USART_CR1_PS | USART_CR1_M0)  // parity enable, odd parity, 9 bit length
 | 
						|
#endif
 | 
						|
 | 
						|
#if !defined(SERIAL_USART_CR2)
 | 
						|
#    define SERIAL_USART_CR2 (USART_CR2_STOP_1)  // 2 stop bits
 | 
						|
#endif
 | 
						|
 | 
						|
#if !defined(SERIAL_USART_CR3)
 | 
						|
#    define SERIAL_USART_CR3 0
 | 
						|
#endif
 | 
						|
 | 
						|
#if defined(USART1_REMAP)
 | 
						|
#    define USART_REMAP                             \
 | 
						|
        do {                                        \
 | 
						|
            (AFIO->MAPR |= AFIO_MAPR_USART1_REMAP); \
 | 
						|
        } while (0)
 | 
						|
#elif defined(USART2_REMAP)
 | 
						|
#    define USART_REMAP                             \
 | 
						|
        do {                                        \
 | 
						|
            (AFIO->MAPR |= AFIO_MAPR_USART2_REMAP); \
 | 
						|
        } while (0)
 | 
						|
#elif defined(USART3_PARTIALREMAP)
 | 
						|
#    define USART_REMAP                                          \
 | 
						|
        do {                                                     \
 | 
						|
            (AFIO->MAPR |= AFIO_MAPR_USART3_REMAP_PARTIALREMAP); \
 | 
						|
        } while (0)
 | 
						|
#elif defined(USART3_FULLREMAP)
 | 
						|
#    define USART_REMAP                                       \
 | 
						|
        do {                                                  \
 | 
						|
            (AFIO->MAPR |= AFIO_MAPR_USART3_REMAP_FULLREMAP); \
 | 
						|
        } while (0)
 | 
						|
#endif
 | 
						|
 | 
						|
#if !defined(SELECT_SOFT_SERIAL_SPEED)
 | 
						|
#    define SELECT_SOFT_SERIAL_SPEED 1
 | 
						|
#endif
 | 
						|
 | 
						|
#if defined(SERIAL_USART_SPEED)
 | 
						|
// Allow advanced users to directly set SERIAL_USART_SPEED
 | 
						|
#elif SELECT_SOFT_SERIAL_SPEED == 0
 | 
						|
#    define SERIAL_USART_SPEED 460800
 | 
						|
#elif SELECT_SOFT_SERIAL_SPEED == 1
 | 
						|
#    define SERIAL_USART_SPEED 230400
 | 
						|
#elif SELECT_SOFT_SERIAL_SPEED == 2
 | 
						|
#    define SERIAL_USART_SPEED 115200
 | 
						|
#elif SELECT_SOFT_SERIAL_SPEED == 3
 | 
						|
#    define SERIAL_USART_SPEED 57600
 | 
						|
#elif SELECT_SOFT_SERIAL_SPEED == 4
 | 
						|
#    define SERIAL_USART_SPEED 38400
 | 
						|
#elif SELECT_SOFT_SERIAL_SPEED == 5
 | 
						|
#    define SERIAL_USART_SPEED 19200
 | 
						|
#else
 | 
						|
#    error invalid SELECT_SOFT_SERIAL_SPEED value
 | 
						|
#endif
 | 
						|
 | 
						|
#if !defined(SERIAL_USART_TIMEOUT)
 | 
						|
#    define SERIAL_USART_TIMEOUT 100
 | 
						|
#endif
 | 
						|
 | 
						|
#define HANDSHAKE_MAGIC 7
 |