#ifndef __MODBUS_MASTER_H__
#define __MODBUS_MASTER_H__

#include "modbus_common.h"

//默认周期命令池大小为20
//可以在编译器predefine里面重定义大小
#ifndef MODBUS_MASTER_PERIOD_POOL_SIZE
#define MODBUS_MASTER_PERIOD_POOL_SIZE 20
#endif
//默认周期命令池大小为20
//可以在编译器predefine里面重定义大小
#ifndef MODBUS_MASTER_ONCE_POOL_SIZE
#define MODBUS_MASTER_ONCE_POOL_SIZE    10
#endif


void modbus_master_init(void);
int modbus_master_run(modbus_master_t * master, unsigned char * request,unsigned char  * respone, int length);

modbus_master_period_cmd_t * modbus_master_add_period_cmd(
    modbus_master_t * master,
    unsigned char id,
    unsigned char cmd,
    unsigned short address,
    unsigned short number,
    unsigned char * value,
    int respone_timeout,
    void (*on_respone)(modbus_master_cmd_t * , unsigned char * ,int),
    int period
    );

modbus_master_once_cmd_t  * modbus_master_add_once_cmd(
    modbus_master_t * master,
    unsigned char id,
    unsigned char cmd,
    unsigned short address,
    unsigned short number,
    unsigned char * value,
    int respone_timeout,
    void (*on_respone)(modbus_master_cmd_t * , unsigned char * ,int)
    );
#endif