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66 lines
1.9 KiB
66 lines
1.9 KiB
/* Copyright 2021
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "uart.h"
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#include "quantum.h"
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#if defined(WB32F3G71xx)
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static SerialConfig serialConfig = {SERIAL_DEFAULT_BITRATE, SD1_WRDLEN, SD1_STPBIT, SD1_PARITY, SD1_ATFLCT};
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#else
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static SerialConfig serialConfig = {SERIAL_DEFAULT_BITRATE, SD1_CR1, SD1_CR2, SD1_CR3};
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#endif
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void uart_init(uint32_t baud) {
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static bool is_initialised = false;
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if (!is_initialised) {
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is_initialised = true;
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serialConfig.speed = baud;
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#if defined(USE_GPIOV1)
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palSetLineMode(SD1_TX_PIN, PAL_MODE_ALTERNATE_OPENDRAIN);
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palSetLineMode(SD1_RX_PIN, PAL_MODE_ALTERNATE_OPENDRAIN);
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#else
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palSetLineMode(SD1_TX_PIN, PAL_MODE_ALTERNATE(SD1_TX_PAL_MODE) | PAL_OUTPUT_TYPE_OPENDRAIN);
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palSetLineMode(SD1_RX_PIN, PAL_MODE_ALTERNATE(SD1_RX_PAL_MODE) | PAL_OUTPUT_TYPE_OPENDRAIN);
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#endif
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sdStart(&SERIAL_DRIVER, &serialConfig);
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}
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}
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void uart_write(uint8_t data) {
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sdPut(&SERIAL_DRIVER, c);
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}
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uint8_t uart_read(void) {
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msg_t res = sdGet(&SERIAL_DRIVER);
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return (uint8_t)res;
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}
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void uart_transmit(const uint8_t *data, uint16_t length) {
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sdWrite(&SERIAL_DRIVER, data, length);
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}
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void uart_receive(uint8_t *data, uint16_t length) {
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sdRead(&SERIAL_DRIVER, data, length);
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}
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bool uart_available(void) {
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return !sdGetWouldBlock(&SERIAL_DRIVER);
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}
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