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Firmata.setPinMode(pin, PIN_MODE_ANALOG);

}

break;

case INPUT:

// Adafruit: Input without pull up cause pin state changes randomly --> lots of transmission data

// if (IS_PIN_DIGITAL(pin)) {

// pinMode(PIN_TO_DIGITAL(pin), INPUT); // disable output driver

//#if ARDUINO <= 100

// // deprecated since Arduino 1.0.1 - TODO: drop support in Firmata 2.6

// digitalWrite(PIN_TO_DIGITAL(pin), LOW); // disable internal pull-ups

//#endif

// Firmata.setPinMode(pin, INPUT);

// }

// break;

case PIN_MODE_PULLUP:

if (IS_PIN_DIGITAL(pin)) {

pinMode(PIN_TO_DIGITAL(pin), INPUT_PULLUP);

Firmata.setPinMode(pin, PIN_MODE_PULLUP);

Firmata.setPinState(pin, 1);

}

break;

case OUTPUT:

if (IS_PIN_DIGITAL(pin)) {

if (Firmata.getPinMode(pin) == PIN_MODE_PWM) {

// Disable PWM if pin mode was previously set to PWM.

digitalWrite(PIN_TO_DIGITAL(pin), LOW);

}

pinMode(PIN_TO_DIGITAL(pin), OUTPUT);

Firmata.setPinMode(pin, OUTPUT);

}

break;

case PIN_MODE_PWM:

if (IS_PIN_PWM(pin)) {

pinMode(PIN_TO_PWM(pin), OUTPUT);

analogWrite(PIN_TO_PWM(pin), 0);

Firmata.setPinMode(pin, PIN_MODE_PWM);

}

break;

case PIN_MODE_SERVO:

if (IS_PIN_DIGITAL(pin)) {

Firmata.setPinMode(pin, PIN_MODE_SERVO);

if (servoPinMap[pin] == 255 || !servos[servoPinMap[pin]].attached()) {

// pass -1 for min and max pulse values to use default values set

// by Servo library

attachServo(pin, -1, -1);

}

break;

case PIN_MODE_I2C:

if (IS_PIN_I2C(pin)) {

// mark the pin as i2c

// the user must call I2C_CONFIG to enable I2C for a device

Firmata.setPinMode(pin, PIN_MODE_I2C);

}

break;

case PIN_MODE_SERIAL:

#ifdef FIRMATA_SERIAL_FEATURE

serialFeature.handlePinMode(pin, PIN_MODE_SERIAL);

#endif

break;