Chief Delphi - Driver Station Usb

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- FRC Control System (http://www.chiefdelphi.com/forums/forumdisplay.php?f=176)

- - Driver Station Usb (http://www.chiefdelphi.com/forums/showthread.php?t=77903)

Re: Driver Station Usb

simple test program for arduino which i am using for the pots right now

Code:

#include <Wire.h>



void setup()

{

  Wire.begin(); // join i2c bus (address optional for master)

}



byte value = 0;

byte ch1 = 0x28;

byte ch2 = 0x29;

byte pot1 = 0xA9;

byte pot2 = 0xAA;



void loop()

{

 writePot(ch1, pot1, value);

 writePot(ch1, pot2, value);

 writePot(ch2, pot1, value);

 writePot(ch2, pot2, value);



  value++;        // increment value

  if(value == 256) 

  {

    value = 0;    // start over from lowest value

  }

  delay(100);

}



void writePot(int chip, int pot, int val)

{

  Wire.beginTransmission(chip); // transmit to device 0x28)

  Wire.send(pot);            // sends instruction byte,

                               // write to potentiometer-0

  Wire.send(val);             // sends potentiometer value byte

  Wire.endTransmission();     // stop transmitting

}

Re: Driver Station Usb

here is the code for the arduino, the touchscreen has its own processor that talks over ttl serial to the arduino
the arduino takes the output from the screen to the DS io pins

Code:

#include <Wire.h>

#include <AFSoftSerial.h>

#define rxPin 3

#define txPin 2



AFSoftSerial touchscreen = AFSoftSerial(rxPin, txPin);



byte ch1 = 0x28;

byte ch2 = 0x29;

byte pot1 = 0xA9;

byte pot2 = 0xAA;



int stopPin = 4, newData = 5, validRx = 6;



void setup()

{

  pinMode(rxPin, INPUT);//set recieve as an input

  pinMode(txPin, OUTPUT);//set transmit as an output

  pinMode(stopPin, OUTPUT);

  pinMode(newData, OUTPUT);

  pinMode(validRx, INPUT);

  touchscreen.begin(9600);

  Wire.begin(); // join i2c bus (address optional for master)

}



int points = 0;

bool stop = false;



void loop()

{

   int x = 0, y = 0;

   boolean recieved = digitalRead(validRx);

   boolean changePoint = touchscreen.available() >= 2 

               && (recieved || points == 0)

               && !stop;

   

   if(stop){

     digitalWrite(newData, LOW);

     digitalWrite(stopPin, HIGH);

   }            

   

   if(recieved){

       digitalWrite(newData, LOW);

       delay(100);

   }

   

   if(changePoint)

   {

     x = touchscreen.read();

     y = touchscreen.read();

     if(touchscreen.available() == 1 && touchscreen.read() == 's')

           stop = true;

           

     points++;

     

     if(points >= 50) 

          stop = true;

       

     writePot(ch1, pot1, x * 2);

     writePot(ch1, pot2, y * 2); // 

     writePot(ch2, pot1, points * 5); // point num

     digitalWrite(newData, HIGH);

   }   

   

}



void writePot(int chip, int pot, int val)

{

  Wire.beginTransmission(chip); // transmit to device 0x28)

  Wire.send(pot);            // sends instruction byte,

                               // write to potentiometer-0

  Wire.send(val);             // sends potentiometer value byte

  Wire.endTransmission();     // stop transmitting

}

Re: Driver Station Usb

digi pots on breadboard, just waiting to be soldered

Re: Driver Station Usb

now all thats missing is the screen and prototyping shield

The Pwm wires plug into the drivers station, which go to a db9 connector. the db9 is used so that the drivers dont have to unplug the PWMs to take it out of the box for strategy planning. because i would imagine that the pwms could get plugged in incorrectly and fry the screen :(

Re: Driver Station Usb

The Pwm cords go to the driverstation, the serial port to the screen

(and i just noticed how far away from USB I've gotten, the title is definatly incorrect)

The parts are definatly shipped :D