#ifndef __TRANSFER_H__
#define __TRANSFER_H__

#include "bsp_common.h"

/* 是否使能断帧检测 */
#define DT_ENABLE_BROKEN_FRAME_DETECT   0

#define BROKEN_FRAME_INTERVAL_TIME      100         /* 断帧间隔时间判断，单位 ms */

typedef enum {
	X_RESULT_RECV_FRAME			= 0x00,		/* 收到了一帧数据 */
	X_RESULT_NO_DATA			= 0x01,		/* 未收到数据 */
	X_RESULT_JUST_RECV			= 0x02,		/* 刚收到一帧数据（可能是断帧） */
	X_RESULT_WAIT_DECTECT		= 0x03		/* 等待断帧判断 */
} exRESULT;

struct transfer_t {
	uint8_t  if_id;

	uint8_t  *rx_buff;
	uint16_t *rx_len;
	uint32_t rx_buff_size;
};


extern void DT_Init (struct transfer_t *xfer, uint8_t  if_id, uint8_t  *buff, uint16_t *len, uint32_t buff_size);
extern void DT_Send (struct transfer_t *xfer, uint8_t *data, uint32_t len);
extern exRESULT DT_PollingReceive (struct transfer_t *xfer);



#endif	/* __TRANSFER_H__ */