SmartPDCode/f407/applications/mb.h

#ifndef __MB_Hx__
#define __MB_Hx__

#include <stdint.h>
#include "modbus.h"
#include "datadef.h"

enum {
    MB_MODE_MASTER=0,
    MB_MODE_SLAVE,
};
enum {
    MB_TYPE_RTU=0,
    MB_TYPE_TCP,
};

typedef struct {
    uint8_t         type;
    uint8_t         mode;
    mb_backend_param_t para;
}mb_para_t;


typedef int (*mb_fn_t)(void *data, int len);
typedef struct {
    uint8_t     rw;     //0:read, 1:write
    uint16_t    reg;
    uint16_t    *data;
    uint32_t    len;
    uint32_t    time_e;
}mb_data_t;

void* mb_init(mb_para_t *para);
int mb_deinit(void *h);
int mb_setup(void *h, mb_para_t *para);

int mb_read(void *h, uint8_t addr, uint16_t reg, uint16_t *data, int cnt, int timeout);
int mb_write(void *h, uint8_t addr, uint16_t reg, uint16_t *data, int cnt);

#endif