Sorry, what is handler?
On Friday, April 11, 2014 1:48:07 AM UTC+8, Chia Waicheong wrote:
>
> im trying to connect 2DC motor driver using arduino motor shield, tested
> all the ioio output using led and it seems providing the desired output.
> However, the 2 motor didnt move when i try to connect the ioio to the motor
> driver. Im using a 9V battery for the motor. Is the motor driver not
> compatible with ioio or it is other problem? my coding:
>
> package ioio.examples.hello;
>
> import ioio.lib.api.DigitalOutput;
> import ioio.lib.api.exception.ConnectionLostException;
> import ioio.lib.util.BaseIOIOLooper;
> import ioio.lib.util.IOIOLooper;
> import ioio.lib.util.android.IOIOActivity;
> import android.os.Bundle;
> import android.widget.ToggleButton;
> import ioio.lib.api.Sequencer;
> import ioio.lib.api.Sequencer.ChannelConfig;
> import ioio.lib.api.Sequencer.ChannelConfigPwmSpeed;
> import ioio.lib.api.Sequencer.ChannelCuePwmSpeed;
>
>
>
> /**
> * This is the main activity of the HelloIOIO example
>
> application.
> *
> * It displays a toggle button on the screen, which enables
>
> control of the
> * on-board LED. This example shows a very simple usage of the
>
> IOIO, by using
> * the {@link IOIOActivity} class. For a more advanced use
>
> case, see the
> * HelloIOIOPower example.
> */
> public class MainActivity extends IOIOActivity {
>
> /**
> * Called when the activity is first created. Here we
>
> normally initialize
> * our GUI.
> */
> @Override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main);
> }
>
> /**
> * This is the thread on which all the IOIO activity
>
> happens. It will be run
> * every time the application is resumed and aborted
>
> when it is paused. The
> * method setup() will be called right after a
>
> connection with the IOIO has
> * been established (which might happen several
>
> times!). Then, loop() will
> * be called repetitively until the IOIO gets
>
> disconnected.
> */
> class Looper extends BaseIOIOLooper {
> private Sequencer.ChannelCuePwmSpeed dcMotorACue_ = new
> ChannelCuePwmSpeed();
> private Sequencer.ChannelCuePwmSpeed dcMotorBCue_ = new
> ChannelCuePwmSpeed();
> private Sequencer.ChannelCue[] cue_ = new Sequencer.ChannelCue[]
> {dcMotorACue_, dcMotorBCue_ };
> private Sequencer sequencer_;
>
> /**
> * Called every time a connection with IOIO has
>
> been established.
> * Typically used to open pins.
> *
> * @throws ConnectionLostException
> * When IOIO connection is lost.
> * @throws InterruptedException
> *
> * @see
>
> ioio.lib.util.AbstractIOIOActivity.IOIOThread#setup()
> */
> @Override
> protected void setup() throws ConnectionLostException,
> InterruptedException {
> DigitalOutput enable1 = ioio_.openDigitalOutput(3);
> DigitalOutput enable2 = ioio_.openDigitalOutput(4);
> enable1.write(true);
> enable2.write(true);
> final ChannelConfigPwmSpeed dcMotorAConfig = new
> Sequencer.ChannelConfigPwmSpeed(Sequencer.Clock.CLK_2M, 2000, 0, new
> DigitalOutput.Spec(1));
> final ChannelConfigPwmSpeed dcMotorBConfig = new
> Sequencer.ChannelConfigPwmSpeed(Sequencer.Clock.CLK_2M, 2000, 0, new
> DigitalOutput.Spec(2));
> final ChannelConfig[] config = new ChannelConfig[] {dcMotorAConfig,
> dcMotorBConfig };
>
> sequencer_ = ioio_.openSequencer(config);
>
> // Pre-fill.
> sequencer_.waitEventType
>
> (Sequencer.Event.Type.STOPPED);
>
> sequencer_.start();
> }
>
> /**
> * Called repetitively while the IOIO is
>
> connected.
> *
> * @throws ConnectionLostException
> * When IOIO connection is lost.
> * @throws InterruptedException
> *
> * @see
>
> ioio.lib.util.AbstractIOIOActivity.IOIOThread#loop()
>
> */
> @Override
> public void loop() throws ConnectionLostException, InterruptedException {
> push();
> }
>
> private void push() throws
>
> ConnectionLostException, InterruptedException {
> dcMotorACue_.pulseWidth = 1000;
> dcMotorBCue_.pulseWidth = 1000;
> sequencer_.push(cue_, 62500);
> }
>
> /**
> * A method to create our IOIO thread.
> *
> * @see
>
> ioio.lib.util.AbstractIOIOActivity#createIOIOThread()
> */
> }
> protected IOIOLooper createIOIOLooper() {
> return new Looper();
> }}
>
>
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