Hi,
Here is the trimmed down file that should illustrate the problem. I think
it mainly comes from my threads (timers) and the IOIO management...
Hope you guys can help me out :)
See attached file!
Le jeudi 12 mars 2015 05:28:13 UTC+1, Ytai a écrit :
>
> There's nothing special about the loop() method, it is mostly a
> convenience feature. You may call IOIO APIs from any thread including the
> UI thread (which includes all sorts of GUI listeners).
> The code you posted on stackoverflow doesn't have anything that's related
> to IOIO on it, so I don't think you'd get much help there. I recommend you
> to make a copy of your problematic app, trim it down to the bare minimum
> that illustrates the problem and then post it here.
>
> On Wed, Mar 11, 2015 at 11:48 AM, Vincent Nadon <[email protected]
> <javascript:>> wrote:
>
>> I am having the following problem :
>> http://stackoverflow.com/questions/28989176/android-app-stops-i2c-bluetooth-communication-ioio
>>
>> and I think it's because all my code to call the twi.WriteReadAsync is
>> outside the loop() function.
>>
>> Le mercredi 11 mars 2015 18:55:55 UTC+1, Vincent Nadon a écrit :
>>
>>> How does the Android IOIO App loop() function work? Is there a way to
>>> create functions in the Looper class which are called inside this loop()
>>> according to a listener on a Button or a Spinner? This way it would
>>> simplify my code since I need to send a lot of twi commands in the loop()
>>> based on the user input in my Android UI Menu.
>>>
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package net.mitchtech.ioio;
import java.nio.ByteBuffer;
import java.util.Calendar;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
//import com.example.graph.LineGraph;
import ioio.lib.api.AnalogInput;
import ioio.lib.api.TwiMaster;
import ioio.lib.api.exception.ConnectionLostException;
import ioio.lib.util.BaseIOIOLooper;
import ioio.lib.util.IOIOLooper;
import ioio.lib.util.android.IOIOActivity;
import net.mitchtech.ioio.sensorgraph.R;
import android.content.Intent;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.os.Environment;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.SeekBar;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.ToggleButton;
import android.widget.SeekBar.OnSeekBarChangeListener;
import java.util.ArrayList;
import java.util.List;
import org.achartengine.GraphicalView;
import android.view.View.OnClickListener;
import android.widget.Toast;
public class SensorGraphActivity extends IOIOActivity {
private Spinner spinner1, spinner2;
private Button button7;
private Button emergency_stop;
private static final String TAG = "MEDIA";
private static GraphicalView gView;
private LineGraph2 line = new LineGraph2();
private static Thread thread;
TwiMaster twi;
private MalibuCountDownTimer stimDownTimer;
private dataRecCountDownTimer dataRecTimer;
private dataRecCountDownTimer calibRecTimer;
private final long startTime = 39600;
private final long interval = 1800;
TextView myOutputBox;
// DSP I2C addressses
// IOIO convention is to keep 7 MSB, AD is not. address/2 = 0x38 - original
// for DSP1 0x70, DSP2 0x74, DSP3 0x72.
int addressDSP1 = 0x38;
int addressDSP2 = 0x3A;
int addressDSP3 = 0x39; // 116 decimal
//...
//Variable definitions...
// ==============================================
// Called when the activity is first created, initialize GUI
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.main);
myOutputBox = (TextView) findViewById(R.id.myOutputBox);
addListenerOnButton();
addListenerOnSpinnerItemSelection();
addListenerOnButton2();
stimDownTimer = new MalibuCountDownTimer(startTime, interval);
dataRecTimer = new dataRecCountDownTimer(1000, 100);
calibRecTimer = new dataRecCountDownTimer(300, 100);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
public void addListenerOnSpinnerItemSelection() {
spinner1 = (Spinner) findViewById(R.id.spinner1);
spinner1.setOnItemSelectedListener(new CustomOnItemSelectedListener());
}
public void addListenerOnButton() {
spinner1 = (Spinner) findViewById(R.id.spinner1);
spinner2 = (Spinner) findViewById(R.id.spinner2);
button7 = (Button) findViewById(R.id.button7);
button7.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(
SensorGraphActivity.this,
"OnClickListener : " + "\nSpinner 1 : "
+ String.valueOf(spinner1.getSelectedItem())
+ "\nSpinner 2 : "
+ String.valueOf(spinner2.getSelectedItem()),
Toast.LENGTH_SHORT).show();
// for (int i = 0; i < arrayOfString.length; i++) {
if (spinner1.getSelectedItem().toString().equals(" measurement"))
{
iWrite("* measurement running *\n");
try {
twi.writeReadAsync(addressDSP1, false, stim_off,
stim_off.length, null, 0);
twi.writeReadAsync(addressDSP2, false, adapt_off,
adapt_off.length, null, 0);
twi.writeReadAsync(addressDSP1, false, stim_freq_0,
stim_freq_0.length, null, 0);
twi.writeReadAsync(addressDSP1, false, stim_on,
stim_on.length, null, 0);
} catch (ConnectionLostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
LinearLayout layout = (LinearLayout) findViewById(R.id.chart);
layout.removeView(gView);
stimDownTimer.start();
lineGraphHandler();
dataRecTimer.start();
}
}
});
}
public void lineGraphHandler() {
//LineGraph Dynamic Graph
LinearLayout layout = (LinearLayout) findViewById(R.id.chart);
gView = line.getView(this);
if (meas_exec == 1)
line.clearPoints();
thread = new Thread() {
public void run()
{
for (int i = 0; i < 22; i++) {
try {
Thread.sleep(1800);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Point p = MockData.getDataFromReceiver1(i); // We got new
// data!
Point n = MockData.getDataFromReceiver2(i); // We got new
// data!
line.addNewPoints(p, n); // Add it to our graph
gView.repaint();
}
meas_exec = 1;
}
};
thread.start();
layout.addView(gView);
}
//
public void addListenerOnButton2() {
emergency_stop = (Button) findViewById(R.id.button8);
emergency_stop.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(SensorGraphActivity.this,
"OnClickListener : " + "\nSTOP!!!! : ",
Toast.LENGTH_SHORT).show();
try {
twi.writeReadAsync(addressDSP1, false, stim_off,
stim_off.length, null, 0);
twi.writeReadAsync(addressDSP1, false, stim_freq_0,
stim_freq_0.length, null, 0);
twi.writeReadAsync(addressDSP2, false, adapt_on,
adapt_on.length, null, 0);
// twi.writeReadAsync(addressDSP2, false,
// request_4_on,request_4_on.length,null,0);
} catch (ConnectionLostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
stimDownTimer.cancel();
iWrite("measurement STOPPED!");
}
});
}
public class MalibuCountDownTimer extends CountDownTimer {
public MalibuCountDownTimer(long startTime, long interval) {
super(startTime, interval);
}
@Override
public void onTick(long millisUntilFinished) {
iWrite("freq #: " + millisUntilFinished / 1800);
}
@Override
public void onFinish() {
try {
twi.writeReadAsync(addressDSP1, false, stim_off,
stim_off.length, null, 0);
twi.writeReadAsync(addressDSP2, false, adapt_on,
adapt_on.length, null, 0);
// twi.writeReadAsync(addressDSP2, false,
// request_4_on,request_4_on.length,null,0);
} catch (ConnectionLostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
iWrite("DPOAE measurement DONE!");
}
}
public class dataRecCountDownTimer extends CountDownTimer {
public dataRecCountDownTimer(long startTime, long interval) {
super(startTime, interval);
}
@Override
public void onTick(long millisUntilFinished) {
double temp = 0;
temp = 1000 - millisUntilFinished / 100;
iWrite("Samples Recorded: " + temp);
if (calib == 0) {
try {
twi.writeReadAsync(addressDSP3, false, RB,
RB.length, response,
response.length);
} catch (ConnectionLostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
ByteBuffer buffer_DPOAE = ByteBuffer.wrap(response);
int inInt = buffer_DPOAE.getInt();
// now for working with dose and LEQ float would be nice:
float asFloat = (float) inInt / 8388608;
iWrite("sample Recorded");
}
}
@Override
public void onFinish() {
if (calib == 0) {
try {
twi.writeReadAsync(addressDSP3, false, RB,
RB.length, response,
response.length);
} catch (ConnectionLostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
ByteBuffer buffer = ByteBuffer.wrap(response);
int inInt = buffer.getInt();
float asFloat = (float) inInt / 8388608;
}
try {
twi.writeReadAsync(addressDSP1, false, stim_off,
stim_off.length, null, 0);
twi.writeReadAsync(addressDSP1, false, stim_freq_0,
stim_freq_0.length, null, 0);
twi.writeReadAsync(addressDSP2, false, adapt_on,
adapt_on.length, null, 0);
} catch (ConnectionLostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
class Looper extends BaseIOIOLooper {
public void setup() throws ConnectionLostException {
try {
twi = ioio_.openTwiMaster(0, TwiMaster.Rate.RATE_1MHz, false);
iWrite("\n I2C CONNECTION ESTABLISHED \n");
} catch (ConnectionLostException e) {
throw e;
}
}
public void loop() throws ConnectionLostException {
// ===============================================================================================================================================
// END loop()
} // END loop()
} // END IOIOThread
// ===============================================================================================================================================
@Override
protected IOIOLooper createIOIOLooper() {
return new Looper();
}
// function to display string on Android screen
private void iWrite(String myval) {
final String crossValue = myval;
runOnUiThread(new Runnable() {
public void run() {
myOutputBox.setText(crossValue);
}
});
} // END iWrite
public static byte[] toIntByteArray(int value) {
// Int only needs 4 bytes, extra 2 are for address
byte[] bytes = new byte[6];
// Leave 0,1 for address start at 2 and write for 4
ByteBuffer.wrap(bytes, 2, 4).putInt(value);
return bytes;
}
public static byte[] toDoubleByteArray(double value) {
byte[] bytes = new byte[8];
ByteBuffer.wrap(bytes).putDouble(value);
return bytes;
}
public static double toDouble(byte[] bytes) {
return ByteBuffer.wrap(bytes).getDouble();
}
} // LAST BRACKET
