migrate

fw/stm8s/common/inc/uart.h

@@ -0,0 +1,28 @@
+#ifndef UART_H
+#define UART_H
+
+#include <stdint.h>
+
+#ifndef BAUDRATE
+#define BAUDRATE 115200
+#endif
+
+#ifndef F_CPU
+#warning "F_CPU not defined, using 2MHz by default"
+#define F_CPU 2000000UL
+#endif
+
+/**
+ * Initialize UART1.
+ * Mode: 8-N-1, flow-control: none.
+ *
+ * PD5 -> TX
+ * PD6 -> RX
+ */
+void uart_init();
+
+void uart_write(uint8_t data);
+
+uint8_t uart_read();
+
+#endif /* UART_H */