CH559 USB HOST - HUB

I made a USB HOST firmware with CH559 ,

it works well no problem,

One of a joystick device can't enumarated, 

When I plug it to windows pc, I realize that it has a USB HUB device before the joystick,


I wonder if CH55x series has support for USB hub,

下载CH559EVT: /downloads/CH559EVT_ZIP.html

其中USBH_HUB_KM.C例程支持一级外部HUB。

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Thank you,


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