求大神进来看看，为什么会这样！

1. /*****************点对点通信发送函数*************************/
   
2. uint8 fs[]="";
   
3. uint8 buf[]="";
   
4. void SampleApp_SendPointToPointMessage( void )
   
5. {
   
6. fasong++;
   
7. sprintf(fs,"发送数据包总数:%4d---",fasong);
   
8. HalUARTWrite(0,fs,strlen(fs));
   
9. sprintf(buf,"This is a test_丢包 fasong_个数:%d\n",fasong);
   
10. if ( AF_DataRequest( &Point_To_Point_DstAddr,
    
11. &SampleApp_epDesc,
    
12. SAMPLEAPP_POINT_TO_POINT_CLUSTERID,
    
13. strlen(buf),
    
14. buf,
    
15. &SampleApp_TransID,
    
16. AF_DISCV_ROUTE,
    
17. AF_DEFAULT_RADIUS ) == afStatus_SUCCESS )
    
18. {
    
19. HalUARTWrite(0,buf,strlen(buf));
    
20. //点灯
    
21. HalLedSet (HAL_LED_2, HAL_LED_MODE_TOGGLE);
    
22. 
    
23. }
    
24. else
    
25. {
    
26. // Error occurred in request to send.
    
27. }
    
28. 
    
29. if(fasong==10001)
    
30. {
    
31. uint8 data[]="1000个数据包发送结束!\n\r";
    
32. HalUARTWrite(0,data,strlen(data));
    
33. while(1);
    
34. }
    
35. 
    
36. }

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==============================================================================================

1. /****************接收处理函数******************/
   
2. void SampleApp_MessageMSGCB( afIncomingMSGPacket_t *pkt )
   
3. {
   
4. uint16 flashTime;
   
5. unsigned char count[100]="";
   
6. 
   
7. switch ( pkt->clusterId )
   
8. {
   
9. case SAMPLEAPP_POINT_TO_POINT_CLUSTERID:
   
10. if(fasong == 1)
    
11. {
    
12. jieshou = 1;
    
13. }
    
14. jieshou++;
    
15. sprintf(count,"接收到的数据包总数:%4d---",jieshou);
    
16. HalUARTWrite(0,count,strlen(count));
    
17. HalUARTWrite(0, pkt->cmd.Data,strlen(pkt->cmd.Data));
    
18. HalUARTWrite(0,"\n",1);
    
19. HalLedSet (HAL_LED_1, HAL_LED_MODE_TOGGLE);
    
20. 
    
21. break;
    
22. 
    
23. case SAMPLEAPP_FLASH_CLUSTERID:
    
24. flashTime = BUILD_UINT16(pkt->cmd.Data[1], pkt->cmd.Data[2] );
    
25. HalLedBlink( HAL_LED_4, 4, 50, (flashTime / 4) );
    
26. break;
    
27. }
    
28. }

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===============================问题来了==========================
为什么发送的数据正常：

==========================而接收的多了个感叹号