gistfile1.txt

#define N_SENSORS 6
#define BLINK_INTERVAL 500
//#define HWSERIAL Serial1
#define SWSERIAL Serial 

int btnP0 = A0;
int btnP1 = A1;
int btnP2 = A2;
int btnP3 = A3;
int btnP4 = A4;
int btnP5 = A5;

int ledP0 = 2;
int ledP1 = 3;
int ledP2 = 4;
int ledP3 = 5;
int ledP4 = 6;
int ledP5 = 7;

int btns[6] = {btnP0,btnP1, btnP2, btnP3, btnP4, btnP5};
int leds[6] = {ledP0, ledP1, ledP2, ledP3, ledP4, ledP5};


// blinking or not
int ledStates[6] = {0, 0, 0, 0, 0, 0};
int ledCounter[6] = {0, 0, 0, 0, 0, 0};


void setup() {
  //  HWSERIAL.begin(9600);
    SWSERIAL.begin(9600); 
    for (int i=0; i < N_SENSORS; i++) {
        pinMode(leds[i], OUTPUT);
        pinMode(btns[i],INPUT_PULLUP);
    }
}

//function to read LEDS
int readBtns(int num){
    int val = digitalRead(num);
    return val;
}

//void blinkLEDs() {
//    for (int k=0; k<N_SENSORS; k++) {
//        ledCounter[k]++;
//        if (ledStates[k] == 1) {
//            if (ledCounter[k] < BLINK_INTERVAL) {
//                digitalWrite(leds[k], LOW);
//                delay(1);
//            }
//            if (ledCounter[k] > BLINK_INTERVAL && ledCounter[k] < (BLINK_INTERVAL * 2)) {
//                digitalWrite(leds[k], HIGH);
//                delay(1);
//            }
//        } else {
//            digitalWrite(leds[k], LOW);
//        }
//        if (ledCounter[k] > (BLINK_INTERVAL * 2)) {
//            ledCounter[k] = 0;
//        }
//    }
//}


void loop() {

    // read sensor data and react
    for(int i=0; i < N_SENSORS; i++){
        int btnVal =readBtns(btns[i]);

        if(btnVal == 1){
						if (ledStates[i] == 0) {
								ledStates[i] = 1;
								//HWSERIAL.print(i);
                SWSERIAL.print(i); 
								//HWSERIAL.println(":ON");
                SWSERIAL.println("ON");
                analogWrite(ledStates[i], 255); 
						}
        } else {
						if (ledStates[i] == 1) {
								ledStates[i] = 0;
								//HWSERIAL.print(i);
                SWSERIAL.print(i); 
								//HWSERIAL.println(":OFF");
                SWSERIAL.println(":OFF"); 
                analogWrite(ledStates[i], 0); 
						}
        }
    }

    //blinkLEDs();
}