This has nothing to do with UART. It must likely has more to do with the
basic app structure. I recommend that you start with HelloIOIOService and
evolve it to your own use case. You probably forgot something in the app
event handlers or manifest etc.
On Nov 8, 2015 7:05 PM, "Eric Solomon" <[email protected]> wrote:
> I'm writing an Android app that uses the IOIO as a USB-UART driver. The
> app's transfer protocols use a state machine to determine when to start
> transferring, stop, etc. I have a service being bound in the background to
> a main activity. In the service, I extend the BaseIOIOLooper class. In
> terms of control, the app is essentially similar to IOIOPlotter. However, I
> can't get the IOIO to setup and operate normally.
>
> My Looper.setup() method:
>
> @Override
> protected void setup() throws ConnectionLostException,
> InterruptedException {
> log_.write_log_line(log_header_+"Beginning IOIO setup.");
> // Initialize IOIO UART pins
> // Input at pin 1, output at pin 2
> // FIXME determine baud, parity, stopbits
> // FIXME throwing NullPointerException. Can't resolve ioio_?
> uart_ = ioio_.openUart(new DigitalInput.Spec(1), new
> DigitalOutput.Spec(2),
> 38400, Uart.Parity.EVEN, Uart.StopBits.ONE);
> // Get IO streams
> in_ = uart_.getInputStream();
> out_ = uart_.getOutputStream();
> // Set default states
> setCurrentState(State.STOPPED);
> setTargetState(State.TRANSFERRING);
> currInPacket_[0]=1; //Initial value to start transferring
> log_.write_log_line(log_header_ + "IOIO setup complete.\n\t"+
> "Output pin set to 1\n\tInput pin set to 2\n\tBaud rate
> set to 38400\n\t"+
> "Parity set to even\n\tStop bits set to 1");
> }
>
>
> The app never gets to the point that writes "Beginning IOIO setup." to the
> log, which makes me think that I should call the setup() method manually.
> When is IOIO.setup() called? Should I ever call it manually? Any simple
> examples of setting up UART with the IOIO?
>
>
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