Files
RS485_BSV_fw/Core/Inc/modbus_logic.h

38 lines
995 B
C

/*
* modbus_logic.h
*
* Created on: Jul 25, 2024
* Author: User
*/
#ifndef INC_MODBUS_LOGIC_H_
#define INC_MODBUS_LOGIC_H_
#include <stdint.h>
#define BOARD_ADRESS 38 //BSV Module 1
//#define BOARD_ADRESS 39 //BSV 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};
#define TXEN_ON HAL_GPIO_WritePin(TXEN_GPIO_Port, TXEN_Pin, GPIO_PIN_SET)
#define TXEN_OFF HAL_GPIO_WritePin(TXEN_GPIO_Port, TXEN_Pin, GPIO_PIN_RESET)
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 /* INC_MODBUS_LOGIC_H_ */