Help for Ron tay (http://www.circuitsathome.com/mcu/bluetooth-rfcommspp-service-support-for-usb-host-2-0-library-released/comment-page-1#comment-13703)

gistfile1.cpp

#include <SPP.h>

USB Usb;
BTD Btd(&Usb);
SPP SerialBT(&Btd);

char val[3];
int pin1 = 22;
int pin2 = 24;
int pin3 = 26;
int pin4 = 28;
int pin5 = 30;
int pin6 = 32;
int index = 0;

void setup() {
  pinMode(pin1, OUTPUT);
  pinMode(pin2, OUTPUT);
  pinMode(pin3, OUTPUT);
  pinMode(pin4, OUTPUT);
  pinMode(pin5, OUTPUT);
  pinMode(pin6, OUTPUT);
  Serial.begin(9600); // This is only used to print debuggin from the BTD and SPP library
  if (Usb.Init() == -1) {
    Serial.print(F("\r\nOSC did not start"));
    while(1); //halt
  }
}

void loop() {
  Usb.Task();
  if(SerialBT.connected) {
    if(SerialBT.available()){
      if(index < 3){
        val[index] = SerialBT.read();
        SerialBT.print(val[index]); // Print character back to connected device
        index++;
      }
      if(index == 3){
        SerialBT.println();
        Serial.println(val); // For debugging
        if(strncmp("p11", val, 3) == 0)
          digitalWrite(pin1, HIGH);
        else if(strncmp("p10", val, 3) == 0)   
          digitalWrite(pin1, LOW);
        else if(strncmp("p21", val, 3) == 0)
          digitalWrite(pin2, HIGH);
        else if(strncmp("p20", val, 3) == 0)
          digitalWrite(pin2, LOW);
        else if(strncmp("p31", val, 3) == 0)
          digitalWrite(pin3, HIGH);
        else if(strncmp("p30", val, 3) == 0)
          digitalWrite(pin3, LOW);
        else if(strncmp("p41", val, 3) == 0)
          digitalWrite(pin4, HIGH);
        else if(strncmp("p40", val, 3) == 0)
          digitalWrite(pin4, LOW);
        else if(strncmp("p51", val, 3) == 0)
          digitalWrite(pin5, HIGH);
        else if(strncmp("p50", val, 3) == 0)
          digitalWrite(pin5, LOW);
        else if(strncmp("p61", val, 3) == 0)
          digitalWrite(pin6, HIGH);
        else if(strncmp("p60", val, 3) == 0)
          digitalWrite(pin6, LOW);
        else if(strncmp("ar1", val, 3) == 0) {
          digitalWrite(pin1, HIGH);
          digitalWrite(pin2, HIGH);
          digitalWrite(pin3, HIGH);
        } 
        else if(strncmp("ar0", val, 3) == 0) {
          digitalWrite(pin1, LOW);
          digitalWrite(pin2, LOW);
          digitalWrite(pin3, LOW);
        } 
        else if(strncmp("ag1", val, 3) == 0) {
          digitalWrite(pin4, HIGH);
          digitalWrite(pin5, HIGH);
          digitalWrite(pin6, HIGH);
        } 
        else if(strncmp("ag0", val, 3) == 0) {
          digitalWrite(pin4, LOW);
          digitalWrite(pin5, LOW);
          digitalWrite(pin6, LOW);
        }
        index = 0;
      }
    }
  } 
  else
    index = 0;
}