#ifndef __MB_Hx__
#define __MB_Hx__

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

typedef int (*mb_fn_t)(void *data, int len);

enum {
    MB_MODE_MASTER=0,
    MB_MODE_SLAVE,
};
enum {
    MB_TYPE_RTU=0,
    MB_TYPE_TCP,
};
enum {
    MB_ID_POWER=0,
    MB_ID_SENSOR,
    MB_ID_CASCADE,
    
    MB_ID_MAX,
};
typedef struct {
    uint8_t         type;
    uint8_t         mode;
    mb_backend_param_t para;
}mb_para_t;


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

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

int mb_set_addr(int id, uint8_t addr);
int mb_set_cb(int id, const mb_cb_table_t *tab);
int mb_set_cascade_cb(int id, mb_cascade_fun_t *fn);
int mb_slave_poll(int id);

#endif