aprldntm1234

getDeviceList empty

2

I developed a program using this library. HashMap usbDevices = usbManager.getDeviceList(); Log.d("usbDevices_log", usbDevices.toString()); where usbManager.getDeviceList(); When I output the value as log, it came out empty. Is there no solution?...

How can I use flowcontrol?

1

I am trying to do serial communication using this code, but is flow control impossible using sercd? I would like to know how to connect. I want to do serial...