gistfile1.txt

/*
sample to try control led from open hab
 */

// constants won't change. They're used here to 
// set pin numbers:
const int switchPin = 2;     // the number of the pushbutton pin
const int ledPin =  13;      // the number of the LED pin

// variables will change:
int buttonState = 0;         // variable for reading the pushbutton status
boolean ledOn = false;
boolean currentButton = false;
boolean lastButton = false;

boolean debounce(boolean last)
{
   boolean current = digitalRead(switchPin);
   if (last != current)
   {
      delay(5);
      current = digitalRead(switchPin);
   } 
}

void setup() {
  // initialize the LED pin as an output:
  pinMode(ledPin, OUTPUT);      
  // initialize the pushbutton pin as an input:
  pinMode(switchPin, INPUT);     
  Serial.begin(9600);
}

void printButtonState(bool state) {
  Serial.print("item=Light_GF_Living_Ceiling_1"); 
  Serial.print(", ");
  Serial.print("value=");
  Serial.print(state?"ON":"OFF");
  Serial.println(";");
}

void readsCommand(char *command) {
  if (Serial.available() > 0) {
    Serial.readBytes(command, 50);
  }
}

void switchLedForCommand(char *command) {
  if (!strstr(command, "led") > 0)
    return;
    
  if (strstr(command, "red") > 0) {
      ledOn = strstr(command, "on") > 0;
      digitalWrite(ledPin,ledOn);
  }
}


void loop(){
  char command[50];
  // read the state of the pushbutton value:
  currentButton = debounce(lastButton);

  // check if the pushbutton is pressed.
  // if it is, the buttonState is HIGH:
  if (lastButton == LOW && currentButton == HIGH) {     
    ledOn = !ledOn;
    digitalWrite(ledPin,ledOn);
    printButtonState(ledOn);
  } 
  
  readsCommand(command);
  if (strstr(command, "led") > 0) {
    switchLedForCommand(command);
  }
  
  
  lastButton = currentButton;
  command[0] = '\0';
  delay (100);
}