Digole Digital Solution's Forum

enrutador

Total Posts:: 19
Since:: 2015-Sep-26
From:: Spain

Joystick position and Digole

Posted at:2016-04-04 11:50:24

Good Morning

I'm testing with their digoles (2.4 '' IPS in Ic2 mode). In my model there is a joystick that according to their position will be sent to digole the coordinate value of the line to paint. The problem is that not delete other lines I want her to have the display only the line of the current value of the function, the concept would be like running a car speedometer:

lectura_mando2 void () {

mydisp.setPrintPos (160, 120, 1); // In center of display

xAxis int = analogRead (A0);

payload.velocidad = map (xAxis, 0, 1023, -255, 255);

delay (1);

mydisp.setColor (200);

mydisp.setMode ('!');

mydisp.setLinePattern (random (0x70, 256));

mydisp.drawLineTo (120, payload.velocidad);

}

I have read many things in the forum, not if to erase the old coordinate is better to make a flush or paint it black again, or use a movecirclearea. How you could deal with this problem?

Thank you very much for your help

Service

Total Posts:: 414
Since:: 2013-Dec-22
From:: Canada

RE:Joystick position and Digole

Posted at:2016-08-02 19:39:45

Your sketch have to remember the last position and line pattern:

unsigned char pattern_last, pos_last;

lectura_mando2 void () {

mydisp.setPrintPos (160, 120, 1); // In center of display

xAxis int = analogRead (A0);

payload.velocidad = map (xAxis, 0, 1023, -255, 255);

delay (1);

mydisp.setColor (200);

mydisp.setMode ('!');

mydisp.setLinePattern (pattern_last);

mydisp.drawLineTo (120, pos_last); //remove old line

pattern_last=random (0x70, 256);

pos_last=payload.velocidad;

mydisp.setLinePattern (pattern_last);

mydisp.drawLineTo (120, pos_last); //draw new line

}

Also, you need to check if it's first time to draw line, you don't need to remove the old line if first time drawing.

enrutador

Total Posts:: 19
Since:: 2015-Sep-26
From:: Spain

RE:Joystick position and Digole

Posted at:2016-08-03 15:29:42 Edited at:2016-08-03 16:20:54

Thanks for the reply

Now I understand a little more the operation of the display. With what I said, correctly I erase the last data received, but not delete the entire line.

For me it is easier for me, I do not make a random of setLinePattern and thus use the black base deletion.

I attach some pictures, so you understand my problem:

http://enrutador.com/IMG_0568.JPG

http://enrutador.com/IMG_0569.JPG

http://enrutador.com/IMG_0570.JPG

http://enrutador.com/IMG_0571.JPG

//http://digole.com/forum.php?topicID=535

unsigned char pos_last, pattern_last;

void lectura_mando2() {

mydisp.setPrintPos(160, 120, 1);

int ejeX = analogRead(A0);

int contador = 0;

payload.velocidad = map(ejeX, 0, 1023, -255, 255);

delay(1);

//mydisp.setColor(70);

//mydisp.setRotation(3);

mydisp.setMode('!');

//mydisp.setLinePattern (pattern_last);

mydisp.drawLineTo (120, pos_last); //remove old line

// pattern_last=random (0x70, 256);

pos_last = payload.velocidad;

//mydisp.setLinePattern (pattern_last);

mydisp.drawLineTo (120, pos_last); //draw new line

}

Service

Total Posts:: 414
Since:: 2013-Dec-22
From:: Canada

RE:Joystick position and Digole

Posted at:2016-08-03 17:14:14 Edited at:2016-08-03 17:23:13

delay(1) may be too short, try to use delay(100) first, then reduce it until the drawline still work.

Please refer to our 3D cube sample code.

Also, there is a bug in your sketch too, you should do like this:

void lectura_mando2() {

mydisp.setPrintPos(160, 120, 1);

int ejeX = analogRead(A0);

int contador = 0;

payload.velocidad = map(ejeX, 0, 1023, -255, 255);

delay(100);

mydisp.setMode('!');

mydisp.drawLineTo (120, pos_last); //remove old line,or use drawLine(160,120,120,pos_last)

pos_last = payload.velocidad;

mydisp.setPrintPos(160, 120, 1); //set the current position, the current position was changed after last drawLineTo

mydisp.drawLineTo (120, pos_last); //draw new line, or use drawLine(160,120,120,pos_last)

}

enrutador Total Posts: 19 Since: 2015-Sep-26 From: Spain	RE:Joystick position and Digole Posted at:2016-08-03 20:20:12
	A lot of thanks ¡¡¡¡ This is good example for me to understand the display, i see the fantastic code of 3D cube , congratulations for the big work. I will study your code to learn more. A lot of thanks ¡¡¡¡