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- 2016-5-24
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1金钱
我在用自己的板子作usb虚拟串口时候下载了正点的程序,但是界面显示connecting或者disconnect。偶尔显示一下connect后又disconnect了,抓取usb的包看到
000035: PnP Event: Query ID (UP), 11.06.2016 11:40:00.960 +0.0 (1. Device: USB Composite Device)
Device ID: USB\VID_046D&PID_C245
000036: PnP Event: Query ID (UP), 11.06.2016 11:40:00.976 +0.015 (1. Device: USB Composite Device)
Hardware IDs: USB\VID_046D&PID_C245&REV_6900, USB\VID_046D&PID_C245
000041: Bulk or Interrupt Transfer (UP), 11.06.2016 11:40:01.038 +0.062. (1. Device: USB Composite Device) Status: 0x00000000
Pipe Handle: 0x89674a6c (Endpoint Address: 0x81)
Get 0x8 bytes from the device
000043: Bulk or Interrupt Transfer (UP), 11.06.2016 11:40:01.038 +0.0. (1. Device: USB Composite Device) Status: 0x00000000
Pipe Handle: 0x89674a6c (Endpoint Address: 0x81)
Get 0x8 bytes from the device
后面一直是
Bulk or Interrupt Transfer (UP), 11.06.2016 11:40:01.038 +0.0. (1. Device: USB Composite Device) Status: 0x00000000
Pipe Handle: 0x89674a6c (Endpoint Address: 0x81)
Get 0x8 bytes from the device
中间没有37,38,39,40。请各位大侠帮忙分析下是什么原因?
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