|
|
- /* Copyright 2021
- *
- * 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 <https://www.gnu.org/licenses/>.
- */
-
- #include "uart.h"
-
- #include "quantum.h"
-
- static SerialConfig serialConfig = {SERIAL_DEFAULT_BITRATE, SD1_CR1, SD1_CR2, SD1_CR3};
-
- void uart_init(uint32_t baud) {
- static bool is_initialised = false;
-
- if (!is_initialised) {
- is_initialised = true;
-
- serialConfig.speed = baud;
-
- #if defined(USE_GPIOV1)
- palSetLineMode(SD1_TX_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
- palSetLineMode(SD1_RX_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
- #else
- palSetLineMode(SD1_TX_PIN, PAL_MODE_ALTERNATE(SD1_TX_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
- palSetLineMode(SD1_RX_PIN, PAL_MODE_ALTERNATE(SD1_RX_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
- #endif
- sdStart(&SERIAL_DRIVER, &serialConfig);
- }
- }
-
- void uart_putchar(uint8_t c) { sdPut(&SERIAL_DRIVER, c); }
-
- uint8_t uart_getchar(void) {
- msg_t res = sdGet(&SERIAL_DRIVER);
-
- return (uint8_t)res;
- }
-
- bool uart_available(void) { return !sdGetWouldBlock(&SERIAL_DRIVER); }
|