UnoJoyArduinoSample.ino

#include "UnoJoy.h"

int hZero = 0;
int vZero = 0;

void setup(){
  setupPins();
  setupUnoJoy();
  setupZeros();
}

void setupZeros(){
  hZero = analogRead(A0);
  vZero = analogRead(A1);
}

void loop(){
  // Always be getting fresh data
  dataForController_t controllerData = getControllerData();
  setControllerData(controllerData);
}

void setupPins(void){
  // Set all the digital pins as inputs
  // with the pull-up enabled, except for the 
  // two serial line pins
  for (int i = 2; i <= 12; i++){
    pinMode(i, INPUT_PULLUP);
    digitalWrite(i, HIGH);
  }
  pinMode(A4, INPUT);
  digitalWrite(A4, HIGH);
  pinMode(A5, INPUT);
  digitalWrite(A5, HIGH);
}

dataForController_t getControllerData(void){
  
  // Set up a place for our controller data
  //  Use the getBlankDataForController() function, since
  //  just declaring a fresh dataForController_t tends
  //  to get you one filled with junk from other, random
  //  values that were in those memory locations before
  dataForController_t controllerData = getBlankDataForController();
  // Since our buttons are all held high and
  //  pulled low when pressed, we use the "!"
  //  operator to invert the readings from the pins
  controllerData.triangleOn = !digitalRead(10);
  controllerData.circleOn = !digitalRead(9);
  controllerData.squareOn = !digitalRead(8);
  controllerData.crossOn = !digitalRead(7);
  //controllerData.dpadUpOn = !digitalRead(6);
  //controllerData.dpadDownOn = !digitalRead(7);
  //controllerData.dpadLeftOn = !digitalRead(8);
  //controllerData.dpadRightOn = !digitalRead(9);
  //controllerData.l1On = !digitalRead(10);
  //controllerData.r1On = !digitalRead(11);
  //controllerData.selectOn = !digitalRead(12);
  //controllerData.startOn = !digitalRead(A4);
  //controllerData.homeOn = !digitalRead(A5);
  
  // Set the analog sticks
  //  Since analogRead(pin) returns a 10 bit value,
  //  we need to perform a bit shift operation to
  //  lose the 2 least significant bits and get an
  //  8 bit number that we can use  
  int x = square(analogRead(A0), hZero) ;
  int y = square(analogRead(A1), vZero) ;
  
  controllerData.leftStickX = x >> 2;
  controllerData.leftStickY = y >> 2;
  //controllerData.rightStickX = analogRead(A2) >> 2;
  //controllerData.rightStickY = analogRead(A3) >> 2;
  // And return the data!
  return controllerData;
}

int square(int value, int zero){
  if(value > zero * 1.1) {
    return 1023;
  } else if(value < zero * 0.8) {
    return 0;
  } else return 512;
}

To debug gamepad pins values in Arduino mode :

int hZero = 0;
int vZero = 0;

void setup() {
  Serial.begin(115200);

  setupPins();
  setupZeros();
}

void setupZeros() {
  hZero = analogRead(A0);
  vZero = analogRead(A1);
}

void loop() {
  // Always be getting fresh data
  //dataForController_t controllerData = getControllerData();
  //setControllerData(controllerData);
  debug();
}


void debug() {
  int ten = digitalRead(10);
  //Serial.print("d10:");
  //Serial.println(ten);

  Serial.print("A0");
  Serial.print(":");
  Serial.print(analogRead(A0));
  Serial.print(" ");

  Serial.print("A1");
  Serial.print(":");
  Serial.print(analogRead(A1));
  Serial.print(" ");


  for (int i = 7; i <= 10; i++) {
      Serial.print("D");
      Serial.print(i);
      Serial.print(":");
      Serial.print(digitalRead(i));
      Serial.print(" ");
  }
      Serial.println("");


}

void setupPins(void) {
  // Set all the digital pins as inputs
  // with the pull-up enabled, except for the
  // two serial line pins
  for (int i = 2; i <= 12; i++) {
    pinMode(i, INPUT_PULLUP);
    digitalWrite(i, HIGH);
  }
  pinMode(A4, INPUT);
  digitalWrite(A4, HIGH);
  pinMode(A5, INPUT);
  digitalWrite(A5, HIGH);
}