291d154d7b
* Remove deprecated defines * Move default config to .c files * Unify UART headers * Clean up docs * Reorganise PAL mode defaults
148 lines
2.9 KiB
C
148 lines
2.9 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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#include "gpio.h"
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#include "chibios_config.h"
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#include <hal.h>
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#ifndef UART_DRIVER
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# define UART_DRIVER SD1
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#endif
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#ifndef UART_TX_PIN
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# define UART_TX_PIN A9
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#endif
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#ifndef UART_TX_PAL_MODE
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# ifdef USE_GPIOV1
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# define UART_TX_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
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# else
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# define UART_TX_PAL_MODE 7
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# endif
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#endif
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#ifndef UART_RX_PIN
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# define UART_RX_PIN A10
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#endif
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#ifndef UART_RX_PAL_MODE
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# ifdef USE_GPIOV1
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# define UART_RX_PAL_MODE PAL_MODE_INPUT
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# else
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# define UART_RX_PAL_MODE 7
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# endif
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#endif
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#ifndef UART_CTS_PIN
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# define UART_CTS_PIN A11
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#endif
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#ifndef UART_CTS_PAL_MODE
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# ifdef USE_GPIOV1
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# define UART_CTS_PAL_MODE PAL_MODE_INPUT
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# else
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# define UART_CTS_PAL_MODE 7
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# endif
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#endif
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#ifndef UART_RTS_PIN
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# define UART_RTS_PIN A12
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#endif
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#ifndef UART_RTS_PAL_MODE
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# ifdef USE_GPIOV1
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# define UART_RTS_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
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# else
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# define UART_RTS_PAL_MODE 7
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# endif
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#endif
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#ifndef UART_CR1
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# define UART_CR1 0
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#endif
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#ifndef UART_CR2
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# define UART_CR2 0
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#endif
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#ifndef UART_CR3
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# define UART_CR3 0
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#endif
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#ifndef UART_WRDLEN
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# define UART_WRDLEN 3
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#endif
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#ifndef UART_STPBIT
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# define UART_STPBIT 0
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#endif
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#ifndef UART_PARITY
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# define UART_PARITY 0
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#endif
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#ifndef UART_ATFLCT
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# define UART_ATFLCT 0
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#endif
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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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