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// Copyright 2024 Stefan Kerkmann (@KarlK90)
// Copyright 2021 QMK
// SPDX-License-Identifier: GPL-2.0-or-later
#include "uart.h"
#if defined(MCU_KINETIS)
static SerialConfig serialConfig = {SERIAL_DEFAULT_BITRATE};
#elif defined(WB32F3G71xx) || defined(WB32FQ95xx)
static SerialConfig serialConfig = {
SERIAL_DEFAULT_BITRATE, UART_WRDLEN, UART_STPBIT, UART_PARITY, UART_ATFLCT,
};
#else
static SerialConfig serialConfig = {
SERIAL_DEFAULT_BITRATE,
UART_CR1,
UART_CR2,
UART_CR3,
};
#endif
void uart_init(uint32_t baud) {
static bool is_initialised = false;
if (is_initialised) {
return;
}
is_initialised = true;
#if defined(MCU_KINETIS)
serialConfig.sc_speed = baud;
#else
serialConfig.speed = baud;
#endif
#if defined(USE_GPIOV1)
palSetLineMode(UART_TX_PIN, UART_TX_PAL_MODE);
palSetLineMode(UART_RX_PIN, UART_RX_PAL_MODE);
#else
palSetLineMode(UART_TX_PIN, PAL_MODE_ALTERNATE(UART_TX_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST);
palSetLineMode(UART_RX_PIN, PAL_MODE_ALTERNATE(UART_RX_PAL_MODE) | PAL_OUTPUT_TYPE_PUSHPULL | PAL_OUTPUT_SPEED_HIGHEST);
#endif
sdStart(&UART_DRIVER, &serialConfig);
}
void uart_write(uint8_t data) {
sdPut(&UART_DRIVER, data);
}
uint8_t uart_read(void) {
return (uint8_t)sdGet(&UART_DRIVER);
}
void uart_transmit(const uint8_t *data, uint16_t length) {
sdWrite(&UART_DRIVER, data, length);
}
void uart_receive(uint8_t *data, uint16_t length) {
sdRead(&UART_DRIVER, data, length);
}
bool uart_available(void) {
return !sdGetWouldBlock(&UART_DRIVER);
}
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