安装USB摄像头驱动后测试程序不出图像

zzf1987

wince6.0 在内核中加入了USB摄像头驱动，插摄像头串口提示

1. RT2870:==> DllEntry
   
2. RT2870: DLL_PROCESS_ATTACH
   
3. Build Date: Dec 23 2008 Time: 17:52:15
   
4. Release Driver Version: 0x01020305
   
5. CPU=ARM
   
6. PageSize=4096
   
7. ProcessorLevel=4
   
8. ProcessorRevision=0006
   
9. --== TestMoveMemory ==--
   
10. Case 1-1(pDest=pSrc+16)::NdisMoveMemory OK.
    
11. Case 1-2(pDest=pSrc+16)::RtlMoveMemory OK.
    
12. Case 2-1(pSrc=pDest+16)::NdisMoveMemory OK.
    
13. Case 2-2(pSrc=pDest+16)::RtlMoveMemory OK.
    
14. RT2870:<== DllEntry
    
15. This device is not found in the supported USB device table.
    
16. Device(VID=0x0ac8, PID=0x3330)RT2870:==> DllEntry
    
17. RT2870: DLL_PROCESS_DETACH
    
18. RT2870:<== DllEntry
    
19. RT2870:==> DllEntry
    
20. RT2870: DLL_PROCESS_ATTACH
    
21. Build Date: Dec 23 2008 Time: 17:52:15
    
22. Release Driver Version: 0x01020305
    
23. CPU=ARM
    
24. PageSize=4096
    
25. ProcessorLevel=4
    
26. ProcessorRevision=0006
    
27. --== TestMoveMemory ==--
    
28. Case 1-1(pDest=pSrc+16)::NdisMoveMemory OK.
    
29. Case 1-2(pDest=pSrc+16)::RtlMoveMemory OK.
    
30. Case 2-1(pSrc=pDest+16)::NdisMoveMemory OK.
    
31. Case 2-2(pSrc=pDest+16)::RtlMoveMemory OK.
    
32. RT2870:<== DllEntry
    
33. This device is not found in the supported USB device table.
    
34. Device(VID=0x0ac8, PID=0x3330)RT2870:==> DllEntry
    
35. RT2870: DLL_PROCESS_DETACH
    
36. RT2870:<== DllEntry
    

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运行cameradshowapp 可以找到CAM2 ，但看不到图像，串口提示：

1. CCaptureFramework: Starting the graph failed.
   
2. CameraDShowApp: Starting the capture graph failed.

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如何解决？