UART driver refactor (#11637)

drivers/chibios/uart.h

@@ -0,0 +1,77 @@
+/* Copyright 2021
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+#include <hal.h>
+
+#ifndef SERIAL_DRIVER
+#    define SERIAL_DRIVER SD1
+#endif
+
+#ifndef SD1_TX_PIN
+#    define SD1_TX_PIN A9
+#endif
+
+#ifndef SD1_TX_PAL_MODE
+#    define SD1_TX_PAL_MODE 7
+#endif
+
+#ifndef SD1_RX_PIN
+#    define SD1_RX_PIN A10
+#endif
+
+#ifndef SD1_RX_PAL_MODE
+#    define SD1_RX_PAL_MODE 7
+#endif
+
+#ifndef SD1_CTS_PIN
+#    define SD1_CTS_PIN A11
+#endif
+
+#ifndef SD1_CTS_PAL_MODE
+#    define SD1_CTS_PAL_MODE 7
+#endif
+
+#ifndef SD1_RTS_PIN
+#    define SD1_RTS_PIN A12
+#endif
+
+#ifndef SD1_RTS_PAL_MODE
+#    define SD1_RTS_PAL_MODE 7
+#endif
+
+#ifndef SD1_CR1
+#    define SD1_CR1 0
+#endif
+
+#ifndef SD1_CR2
+#    define SD1_CR2 0
+#endif
+
+#ifndef SD1_CR3
+#    define SD1_CR3 0
+#endif
+
+void uart_init(uint32_t baud);
+
+void uart_putchar(uint8_t c);
+
+uint8_t uart_getchar(void);
+
+bool uart_available(void);