diff options
Diffstat (limited to 'drivers/chibios/serial_usart.h')
| -rw-r--r-- | drivers/chibios/serial_usart.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/chibios/serial_usart.h b/drivers/chibios/serial_usart.h new file mode 100644 index 0000000000..d35b5d12c6 --- /dev/null +++ b/drivers/chibios/serial_usart.h @@ -0,0 +1,78 @@ +/* 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> + +#ifndef USART_CR1_M0 +# define USART_CR1_M0 USART_CR1_M // some platforms (f1xx) dont have this so +#endif + +#ifndef SERIAL_USART_CR1 +# define SERIAL_USART_CR1 (USART_CR1_PCE | USART_CR1_PS | USART_CR1_M0) // parity enable, odd parity, 9 bit length +#endif + +#ifndef SERIAL_USART_CR2 +# define SERIAL_USART_CR2 (USART_CR2_STOP_1) // 2 stop bits +#endif + +#ifndef 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 + +#ifndef SELECT_SOFT_SERIAL_SPEED +# define SELECT_SOFT_SERIAL_SPEED 1 +#endif + +#ifdef 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 + +#ifndef SERIAL_USART_TIMEOUT +# define SERIAL_USART_TIMEOUT 100 +#endif + +#define HANDSHAKE_MAGIC 7 |