GTDController.c

/* GTD IV: San Diego 
 *  
 *  
 */


#include <Wire.h>
#include <Adafruit_MMA8451.h>
#include <Adafruit_Sensor.h>

Adafruit_MMA8451 mma = Adafruit_MMA8451();

const int buttonPin = 2;    // button pin
int buttonState = 0;
const int ledLeft = 11;
const int ledRight = 10;
int incomingByte;
unsigned long previousMillis = 0;
int gap = 500;

void setup() {
  Serial.begin(9600);
  pinMode(buttonPin, INPUT);
  pinMode(ledLeft, OUTPUT);
  pinMode(ledRight, OUTPUT);
  if (! mma.begin()) {
    //Serial.println("Debug: Couldnt start");
    while (1);
  }
  //Serial.println("Debug: MMA8451 found!");
  
  mma.setRange(MMA8451_RANGE_2_G);
}

void loop() {

  int buttonState = digitalRead(buttonPin);  
  mma.read();

  sensors_event_t event; 
  mma.getEvent(&event);

  float accX = event.acceleration.x;
  Serial.print(accX); 
  Serial.print(",");
  
  float accY = event.acceleration.y;
  Serial.print(accY);
  Serial.print(",");

  float accZ = event.acceleration.z;
  Serial.print(accZ);  
  Serial.print(",");

  Serial.print(buttonState);
  Serial.println();

  /*if (accX < -2) {
    float ledB = map(accX, -9.00, -2.00, 255, 64);
    analogWrite(ledLeft, ledB);
    analogWrite(ledRight, 255 - ledB);
    Serial.println(ledB);
  } else if (accX > 2) {
    float ledB = map(accX, 2.00, 9.00, 64, 255);
    analogWrite(ledRight, ledB);
    analogWrite(ledLeft, 255 - ledB);
    Serial.println(ledB);
  } else {
    analogWrite(ledRight, 64);
    analogWrite(ledLeft, 64);
    Serial.println();
  } */

  if(Serial.available() > 0) {
    incomingByte = Serial.read();
    if (incomingByte == 'Z') {
     // if (millis() > previousMillis + gap) {
       // previousMillis = millis();
      digitalWrite(ledLeft, HIGH);
      digitalWrite(ledRight, HIGH);
      //}
    }
  }
    else {
      digitalWrite(ledLeft, LOW);
      digitalWrite(ledRight, LOW);
    }
}