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JimmyCraft's project WCH-USB@mBusSTM32USB wiki    

運行USB 徑由四脈: 主脈控制 並可中斷 又有批量 偶為同步
若欲成功 毋須自宮 熟習本法 脈脈暢通 😄

Control Transfer hidBlinky_Cntrl
INT Transfer hidBridge_INT
Bulk Transfer hidBridge_Bulk

>- Update circuit layout in hardware.
>- Add more CH55x USB projects (USB Control/Interrupt/Bulk transfer w/ PlatformIO-WCH51) in firmware folder.
>   Also attached the pyUSB Host test jig for individual testing in each folder (NEED _libUSB_ as USB driver).
>   Finally, add the HID+CDC project that monitoring HID traffics with USB-CDC serial.
> >     > > >
> >- The CDC+HID project cdcHID-Mon also kept into PlatformIO folder, _Take a look_ 👀 [projects folder](https://github.com/jmysu/mBusSTM32USB/tree/main/firmware/PlatformIO.MCS51)
> Thanks USB-IAD, finally combined HID&CDC into one device w/ [IAD](https://learn.microsoft.com/en-us/windows-hardware/drivers/usbcon/usb-interface-association-descriptor)
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