ISCS_CABINET_CONTROL/mainboard/components/user_uart/modbus.h

#ifndef __MODBUS_H__
#define __MODBUS_H__	
#include "define.h"

#ifdef __cplusplus
extern "C" {
#endif

#define MODBUS_DATA_SIZE														512

#define CMD_RD_REG															    (uint8_t)0x03
#define CMD_WR_REG															    (uint8_t)0x06
#define CMD_WR_MULTI_REG														(uint8_t)0x10

typedef struct{
    uint8_t addr;
    uint8_t func;
    uint8_t regAddr[2];
    uint8_t regCount[2];
    uint8_t count;
    uint8_t *data;
}__attribute__((packed))rtu_wr_multi_s;

typedef struct{
    uint8_t addr;
    uint8_t func;
    uint8_t regAddr[2];
    uint8_t data[MODBUS_DATA_SIZE];
    uint8_t dataSize;
    uint16_t crc;
}__attribute__((packed))rtu_rec_s;

typedef struct{
    uint8_t addr;
    uint8_t func;
	uint8_t dataSize;
    uint8_t data[MODBUS_DATA_SIZE];
    uint16_t crc;
}__attribute__((packed))rtu_rd_s;

typedef struct{
    uint8_t rtu_addr;
    uint16_t tx_size;
    uint16_t rx_size;
    uint8_t tx_buffer[MODBUS_DATA_SIZE];
    uint8_t rx_buffer[MODBUS_DATA_SIZE];
    rtu_rec_s rtu_rec;
    rtu_rd_s rtu_rd;
    bool modbusRx_stat;
    bool modbusTx_stat;
}modbus_work_s;

#ifdef __cplusplus
}
#endif

#endif	//__MODBUS_H__