initial commit

Core/Inc/modbus_logic.h

@@ -0,0 +1,32 @@
+/*
+ * user_modbus.h
+ *
+ *  Created on: 13 <20><><EFBFBD>. 2019 <20>.
+ */
+
+#ifndef MODBUS_LOGIC_H_
+#define MODBUS_LOGIC_H_
+#include <stdint.h>
+
+#define BOARD_ADRESS 34 //Relay Module 1
+//#define BOARD_ADRESS 35 //Relay Module 2
+
+#define BUS_IDLE_TIME   3
+
+#define MODBUS_PROTOCOL_VERSION (1)
+#define MODBUS_HEADER_SIZE (13)
+#define BUFFERS_SIZE (100 + 9)
+#define MAX_REGS_PER_QUERY (32)
+#define ADDRESS_UNDEFINED (0xff)
+
+enum recv_state {RECV_IDLE, RECV_READ_HEADER, RECV_READ_DATA, RECV_READ_COMPLETE, RECV_ERROR};
+enum send_state {SEND_IDLE, SEND_BUSY};
+
+void UART_RxCpltCallback(void);
+void UART_TxCpltCallback(void);
+
+void modbus_loop_iterate();
+uint8_t read_register(uint16_t address, uint16_t* value);
+uint8_t write_register(uint16_t address, uint16_t value);
+
+#endif /* MODBUS_LOGIC_H_ */