usb中endpoint怎么用

usb中endpoint怎么用

这是状态，一般默认1为打开，0为关闭，就是USB端口是否可用，1为可用，0为不可用

0xc0000012 bus hound 6.01 capture on windows vista service pack 1 (x86). complements of www.perisoft.net 返回数据过大重启 device - device id (followed by the endpoint for usb devices) (21) usb 大容量存储设备 (25) usb 输入设备 phase - phase type out data out transfer reset bus reset usts usb status ok command complete data - hex dump of the data transferred descr - description of the phase cmd... - position in the captured data device phase data description cmd.phase.ofs(rep) ------ ----- ------------------------ ---------------- ------------------ 25.2 out 62 42 43 00 00 00 00 00 bbc..... 1.1.0 25.1 usts c0000012 babble detected 2.1.0 25.1 usts c0000030 endpoint halted 3.1.0 25 reset 4.1.0 25 ok 4.2.0 25.1 reset 5.1.0 usbd_status_babble_detected 0xc0000012 the device returned a babble detected error (defined for backward compatibility with the usb 1.0)."babble"错误. 检测到设备返回了一个无意义的数据 "babble"错误. 一个"babble"错误发生当端点接受数据多于端点的特定最大报文大小.已经超过设置的最大发送的报文长度了 usbd_status_endpoint_halted 0xc0000030 a transfer was submitted to an endpoint that is stalled. 一个事务传送到了一个处于stall(挂起)状态的端点