usb拔掉后可以正常转入DISCONNECTED态 null
e.printStackTrace(); } } ^^^ Clearly not efficient, but it does work (somewhat). So, that's why I came over here to know if there was a listener for USB_CONNECTION_STATUS. I think this would be a lot faster. You can use BroadcastReceiver for receiving connected and disconnected acti...
USB (universal serial bus) interface allowing a maximum load value of 2 amperes and switching the USB interface to a disconnected state when the load value... USB (universal serial bus) interface allowing a maximum load value of 2 amperes and switching the USB interface to a disconnected ...
When the state converting switch switches states, analog signals which are disconnected (pulled out) by the multi-state USB device are generated on the USB interface, and then, analog signals which are connected by the multi-state USB device are generated. The utility model realizes automatic ...
mos7840 2-1.4:1.0: device disconnected option: option_instat_callback: error -2 ehci_fsl_bus_suspend begins, Host 1 ehci_fsl_bus_suspend ends, Host 1 USB Host suspend begins ehci_fsl_drv_suspend, pm event host suspend ends udc suspend begins ...
9.The USB audio controller of claim 1, wherein an audio signal inputs from the audio device via the audio interface unit to the storage unit via the storage interface unit for audio recording function when the audio controller is disconnected to the USB host. ...