On Sunday, 15 June 2014 10:47:10 UTC+5:30, nikhil mhatre wrote:
>
> mpu 6050 over i2c to ioio. provides slow data. heres my code.
>
> class Looper extends BaseIOIOLooper {
> /** The on-board LED. */
> private DigitalOutput led_;
>
> /**
> * 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
> public void setup() throws ConnectionLostException, InterruptedException {
> led_ = ioio_.openDigitalOutput(0, true);
>
>
> // Create the i2c port
> twi = ioio_.openTwiMaster(0, TwiMaster.Rate.RATE_1MHz, false);
>
> ///////////////////////
> //Get the whoamI register value to check if the sensor is connected
>
> byte[] request = new byte[] {0x75};
> byte[] response = new byte[1];
> //try {
> twi.writeRead(0x68, false, request, request.length, response,
> response.length);
> //} catch (InterruptedException e1) {
> //TODO Auto-generated catch block
> //e1.printStackTrace();
> //}
> /*
> //Make the power control bit high
> byte[] request1 = new byte[] {0x6B,0x00};
> //try {
> twi.writeRead(0x68, false, request1, request1.length, null,0);
> //} catch (InterruptedException e1) {
> //TODO Auto-generated catch block
> //e1.printStackTrace();
> //}
> //Set the range of accel
> request1[0] = 0x1C;
> request1[1] = 0x10;
> try {
> twi.writeRead(0x68, false, request1, request1.length, null,0);
> } catch (InterruptedException e1) {
> //TODO Auto-generated catch block
> e1.printStackTrace();
> }
> //////////////////////////////////////////////////////
> */
> }
>
> /**
> * Called repetitively while the IOIO is connected.
> *
> * @throws ConnectionLostException
> * When IOIO connection is lost.
> *
> * @see ioio.lib.util.AbstractIOIOActivity.IOIOThread#loop()
> */
>
> @Override
> public void loop() throws ConnectionLostException {
>
> //xhigh in request1 and response 1
> //int tempxH=0;
> request[0] = 0x3B;
> try {
> twi.writeRead(0x68, false, request, request.length, response,
> response.length);
> } catch (InterruptedException e1) {
> // TODO Auto-generated catch block
> e1.printStackTrace();
> }
> tempxH=((int)(response[0]));
> //xlow in request1 and response 1
> request[0] = 0x3C;
> try {
> twi.writeRead(0x68, false, request, request.length, response,
> response.length);
> } catch (InterruptedException e1) {
> // TODO Auto-generated catch block
> e1.printStackTrace();
> }
>
> tempxH = (tempxH*255) + response[0];
> tempxH=tempxH*(0.00024);
>
>
> //yhigh in request 2
>
> //int tempyH=0;
> request[0] = 0x3D;
> try {
> twi.writeRead(0x68, false, request, request.length, response,
> response.length);
> } catch (InterruptedException e1) {
> // TODO Auto-generated catch block
> e1.printStackTrace();
> }
> tempyH=((int)(response[0]));
> //ylow in request1 and response 1
> request[0] = 0x3E;
> try {
> twi.writeRead(0x68, false, request, request.length, response,
> response.length);
> } catch (InterruptedException e1) {
> // TODO Auto-generated catch block
> e1.printStackTrace();
> }
>
> tempyH = (tempyH*255) + response[0];
> tempyH=tempyH*(0.00024);
>
> //zhigh in request 2
> //int tempzH=0;
> request[0] = 0x3F;
> try {
> twi.writeRead(0x68, false, request, request.length, response,
> response.length);
> } catch (InterruptedException e1) {
> // TODO Auto-generated catch block
> e1.printStackTrace();
> }
> tempzH=((int)(response[0]));
> //zlow in request1 and response 1
> request[0] = 0x40;
> try {
> twi.writeRead(0x68, false, request, request.length, response,
> response.length);
> } catch (InterruptedException e1) {
> // TODO Auto-generated catch block
> e1.printStackTrace();
> }
>
> tempzH = (tempzH*255) + response[0];
> tempzH=tempzH*(0.00024);
>
> str1 = Double.toString(tempxH);
> str2 = Double.toString(tempyH);
> str3 = Double.toString(tempzH);
> //xAxisText.setText("Hello");
> updateTextView(xAxisText,str1);
> updateTextView(yAxisText,str2);
> updateTextView(zAxisText,str3);
> }
>
> }
>
> * A method to create our IOIO thread.
>
> private void updateTextView(final TextView textView, final String text) {
> runOnUiThread(new Runnable() {
> @Override
> public void run() {
> textView.setText(text);
> }
> });
> }
>
>
> protected IOIOLooper createIOIOLooper() {
> return new Looper();
> }
> }
>
> i tried twimaster rate ie 400khz,100khz. but no use.
> i tried running app on usb mode without using bluetooth dongle. im getting
> 1000 values/ 3 sec which is slow for i2c connection when using usb mode.
>
--
You received this message because you are subscribed to the Google Groups
"ioio-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/ioio-users.
For more options, visit https://groups.google.com/d/optout.
