WinCE6.0连接USB Slave到PC串口调试信息如下:
[UFNPDD] OTG Cable Attached
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] RESET Again
[UFNPDD] OTG Cable Detached
只要连上USB就会不断重复[UFNPDD] RESET Again直到拔掉USB出现[UFNPDD] OTG Cable Detached
信息。