App inventor Bluetooth

1. const uint8_t red = 9;
const uint8_t green = 10;
const uint8_t blue = 11;
uint8_t digito = 0;
uint8_t contComa = 0;
uint8_t valor = 0;
uint8_t vR = 0, vG = 0, vB = 0;
void setup() {
Serial.begin(9600);
pinMode(red, OUTPUT);
pinMode(green, OUTPUT);
pinMode(blue, OUTPUT);
// Serial.print("R: ");
// Serial.println(vR);
// Serial.print("G: ");
// Serial.println(vG);
// Serial.print("B: ");
// Serial.println(vB);
analogWrite(red, 255);
analogWrite(green, 255);
analogWrite(blue, 255);
}
void loop() {
if (Serial.available() > 0) {
procesarDato(Serial.read());
}
}
void procesarDato (int c) { ///
------------------------------------------------------------------
if (isdigit (c)) {
switch (contComa) {
case 0:
vR = numero(c) + vR;
break;
case 1:
vG = numero(c) + vG;
break;
case 2:
vB = numero(c) + vB;
break;
}
} else {
if (isPunct(c)) {
contComa = contComa + 1;
digito = 0;
} else {
if (isControl(c)) {
encenderLed();
}
}
}
}
// end of procesarDato ///
------------------------------------------------------------------
int numero(const int c) {
int dato;
dato = c - 48;

2. switch (digito) {
case 0:
valor = dato;
digito = 1;
break;
case 1:
valor = (dato * 10) + valor;
digito = 2;
break;
case 2:
valor = (dato * 100) + valor;
digito = 0;
break;
}
return valor;
}
//-------------------------------------
void encenderLed() {
analogWrite(red, map(vR, 0, 255, 255, 0));
analogWrite(green, map(vG, 0, 255, 255, 0));
analogWrite(blue, map(vB, 0, 255, 255, 0));
// Serial.print("R: ");
// Serial.println(vR);
// Serial.print("G: ");
// Serial.println(vG);
// Serial.print("B: ");
// Serial.println(vB);
valor = 0;
digito = 0;
contComa = 0;
vR = 0;
vG = 0;
vB = 0;
}