66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
// Copyright 2024 Stefan Kerkmann (@KarlK90)
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// Copyright 2021 QMK
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "uart.h"
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#if defined(MCU_KINETIS)
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static SerialConfig serialConfig = {SERIAL_DEFAULT_BITRATE};
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#elif defined(WB32F3G71xx) || defined(WB32FQ95xx)
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static SerialConfig serialConfig = {
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SERIAL_DEFAULT_BITRATE, UART_WRDLEN, UART_STPBIT, UART_PARITY, UART_ATFLCT,
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};
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#else
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static SerialConfig serialConfig = {
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SERIAL_DEFAULT_BITRATE,
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UART_CR1,
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UART_CR2,
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UART_CR3,
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};
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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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return;
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}
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is_initialised = true;
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#if defined(MCU_KINETIS)
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serialConfig.sc_speed = baud;
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#else
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serialConfig.speed = baud;
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#endif
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#if defined(USE_GPIOV1)
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palSetLineMode(UART_TX_PIN, UART_TX_PAL_MODE);
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palSetLineMode(UART_RX_PIN, UART_RX_PAL_MODE);
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#else
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palSetLineMode(UART_TX_PIN, PAL_MODE_ALTERNATE(UART_TX_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST);
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palSetLineMode(UART_RX_PIN, PAL_MODE_ALTERNATE(UART_RX_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST);
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#endif
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sdStart(&UART_DRIVER, &serialConfig);
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}
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void uart_write(uint8_t data) {
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sdPut(&UART_DRIVER, data);
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}
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uint8_t uart_read(void) {
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return (uint8_t)sdGet(&UART_DRIVER);
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}
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void uart_transmit(const uint8_t *data, uint16_t length) {
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sdWrite(&UART_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(&UART_DRIVER, data, length);
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}
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bool uart_available(void) {
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return !sdGetWouldBlock(&UART_DRIVER);
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}
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