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AM335X Android USB0 配置成OTG模式有问题,插上USB线时候,PC识别为unkown device,串口无打印,当拔掉USB时候,提示musb android_usb gadget disconnected

图为硬件连接 USB0_ID 浮空。和EVM板卡硬件连接差不多,软件用的TI Android JB-4.2.2-DevKit-4.1.1开发包,软件在开发板上面运行USB0 OTG没问题,但是在我自己做的板卡上面就出现插上USB线时候,PC识别为unkown device,串口无打印,当拔掉USB时候,提示musb android_usb gadget disconnected。个人感觉硬件和软件都没问题,但是USB0的OTG就是不通,USB1的HOST模式已经调通了。

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