refactor v1

software/firmware_module/module_rev0/src/rs485.h

@@ -0,0 +1,27 @@
+#pragma once
+//#define F_CPU 16000000UL
+#define UART_BAUD 19200
+#define BAUDRATE ((F_CPU) / (UART_BAUD * 16UL) - 1)  // set baud rate value for UBRR
+
+#define SFBUS_SOF_BYTE '+'
+#define SFBUS_EOF_BYTE '$'
+
+#include <avr/io.h>
+#include <avr/interrupt.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+void dbg(char data);
+
+void rs485_init(void);
+void rs485_send_c(char data);
+void rs485_send_str(char* data);
+char rs485_recv_c(void);
+
+uint8_t sfbus_recv_frame(uint16_t address, char* payload);
+void sfbus_send_frame(uint16_t address, char* payload, uint8_t length);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus