Files
RS485_Relay2_fw/Core/Inc/modbus_logic.h

33 lines
812 B
C

/*
* user_modbus.h
*
* Created on: 13 ìàð. 2019 ã.
*/
#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 process_incoming_packet();
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_ */