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/* 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/>. | ||
*/ | ||
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#include "uart.h" | ||
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#include "quantum.h" | ||
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static SerialConfig serialConfig = {SERIAL_DEFAULT_BITRATE, SD1_CR1, SD1_CR2, SD1_CR3}; | ||
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void uart_init(uint32_t baud) { | ||
static bool is_initialised = false; | ||
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if (!is_initialised) { | ||
is_initialised = true; | ||
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serialConfig.speed = baud; | ||
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#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_PUSHPULL); | ||
palSetLineMode(SD1_RX_PIN, PAL_MODE_ALTERNATE(SD1_RX_PAL_MODE) | PAL_MODE_INPUT); | ||
#endif | ||
sdStart(&SERIAL_DRIVER, &serialConfig); | ||
} | ||
} | ||
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void uart_putchar(uint8_t c) { sdPut(&SERIAL_DRIVER, c); } | ||
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uint8_t uart_getchar(void) { | ||
msg_t res = sdGet(&SERIAL_DRIVER); | ||
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return (uint8_t)res; | ||
} | ||
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bool uart_available(void) { return !sdGetWouldBlock(&SERIAL_DRIVER); } |