Arduino BT led toggle

#include <NewSoftSerial.h>

#define rxPin 2
#define txPin 3
#define ledPin 13

NewSoftSerial mySerial(rxPin,txPin);

char buffer[10];
unsigned index;

boolean ledStatus = false;

void setup(){
    Serial.begin(9600);
    Serial.println(“Setup”);

    mySerial.begin(9600);
}

void toggleLed(){
    if(ledStatus){
        digitalWrite(ledPin,LOW);
        ledStatus = false;
    }else{
        digitalWrite(ledPin,HIGH);
        ledStatus = true;
    }
}

void loop(){
    index = 0;
    while(mySerial.available() > 0){
        delay(100);
        buffer[index] = mySerial.read();
        index++;
    }
    buffer[index]=”;

    if(strlen(buffer)>0){
        Serial.print(“recv:”);
        Serial.println(buffer);
        if(!strcmp(buffer,”led”)){
            toggleLed();
            mySerial.print(“OK”);
        }else{
            mySerial.print(“ERROR”);
        }
    }
}