I just found out it crashes due to while (true). Can someone explain me why?
And if I want the application to receive code forever how do I do it?
On Monday, March 4, 2013 3:52:18 PM UTC, Marta Ribeiro wrote:
>
> Hi!
>
> I am trying an USB host connection, and so far I've managed to make
> connection with a interrupt endpoint. The problem lays on trying to read
> data from this endpoint. Everytime i call request.queue the application
> crash. The code is as folllows:
>
> @Override
> public void run() {
> // STARTS EXECUTING THE CONNECTION
> ByteBuffer buffer = ByteBuffer.allocate(5);
> // read data from the interrupt endpoint. For IN endpoints,
> // the endpoint will attempt to read the given number of bytes
> // into the specified buffer.
> UsbRequest request = new UsbRequest();
> request.initialize( connection, ep );
> while (true){
> textView6.setVisibility(View.VISIBLE);
> // queue a request on the interrupt endpoint
> request.queue(buffer, 5);
> // requestWait() a completed USB request, or null if an error occurred
> if (connection.requestWait() == request) {
> byte[] data = buffer.array();
> String str = new String( data);
>
> textView6.setText( str );
>
> } else {
> Toast toast = Toast.makeText(getApplicationContext(), "Request for data
> failed.", Toast.LENGTH_SHORT);
>
> toast.show();
>
> }
> }
> }
>
> }
>
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