1 files changed, 65 insertions, 0 deletions
diff --git a/platforms/chibios/drivers/uart_serial.c b/platforms/chibios/drivers/uart_serial.c
new file mode 100644
index 0000000000..6aff4eae47
--- /dev/null
+++ b/platforms/chibios/drivers/uart_serial.c
@@ -0,0 +1,65 @@
+// 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);
+}