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* The compiler will apply substantial optimizations if the inputs

* to readPort() are compile-time constants. */

if (TOTAL_PORTS > 0 && reportPINs[0]) outputPort(0, readPort(0, portConfigInputs[0]), false);

if (TOTAL_PORTS > 1 && reportPINs[1]) outputPort(1, readPort(1, portConfigInputs[1]), false);

if (TOTAL_PORTS > 2 && reportPINs[2]) outputPort(2, readPort(2, portConfigInputs[2]), false);

if (TOTAL_PORTS > 3 && reportPINs[3]) outputPort(3, readPort(3, portConfigInputs[3]), false);

if (TOTAL_PORTS > 4 && reportPINs[4]) outputPort(4, readPort(4, portConfigInputs[4]), false);

if (TOTAL_PORTS > 5 && reportPINs[5]) outputPort(5, readPort(5, portConfigInputs[5]), false);

if (TOTAL_PORTS > 6 && reportPINs[6]) outputPort(6, readPort(6, portConfigInputs[6]), false);

if (TOTAL_PORTS > 7 && reportPINs[7]) outputPort(7, readPort(7, portConfigInputs[7]), false);

if (TOTAL_PORTS > 8 && reportPINs[8]) outputPort(8, readPort(8, portConfigInputs[8]), false);

if (TOTAL_PORTS > 9 && reportPINs[9]) outputPort(9, readPort(9, portConfigInputs[9]), false);

if (TOTAL_PORTS > 10 && reportPINs[10]) outputPort(10, readPort(10, portConfigInputs[10]), false);

if (TOTAL_PORTS > 11 && reportPINs[11]) outputPort(11, readPort(11, portConfigInputs[11]), false);

if (TOTAL_PORTS > 12 && reportPINs[12]) outputPort(12, readPort(12, portConfigInputs[12]), false);

if (TOTAL_PORTS > 13 && reportPINs[13]) outputPort(13, readPort(13, portConfigInputs[13]), false);

if (TOTAL_PORTS > 14 && reportPINs[14]) outputPort(14, readPort(14, portConfigInputs[14]), false);

if (TOTAL_PORTS > 15 && reportPINs[15]) outputPort(15, readPort(15, portConfigInputs[15]), false);

}

// -----------------------------------------------------------------------------

/* sets the pin mode to the correct state and sets the relevant bits in the

* two bit-arrays that track Digital I/O and PWM status

void setPinModeCallback(byte pin, int mode)

{

if (Firmata.getPinMode(pin) == PIN_MODE_IGNORE)

return;

if (Firmata.getPinMode(pin) == PIN_MODE_I2C && isI2CEnabled && mode != PIN_MODE_I2C) {

// disable i2c so pins can be used for other functions

// the following if statements should reconfigure the pins properly

disableI2CPins();

}

if (IS_PIN_DIGITAL(pin) && mode != PIN_MODE_SERVO) {

if (servoPinMap[pin] < MAX_SERVOS && servos[servoPinMap[pin]].attached()) {

detachServo(pin);

}

if (IS_PIN_ANALOG(pin)) {

reportAnalogCallback(PIN_TO_ANALOG(pin), mode == PIN_MODE_ANALOG ? 1 : 0); // turn on/off reporting

}

if (IS_PIN_DIGITAL(pin)) {

if (mode == INPUT || mode == PIN_MODE_PULLUP) {

portConfigInputs[pin / 8] |= (1 << (pin & 7));

} else {

portConfigInputs[pin / 8] &= ~(1 << (pin & 7));

}

Firmata.setPinState(pin, 0);

switch (mode) {

case PIN_MODE_ANALOG:

if (IS_PIN_ANALOG(pin)) {

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

}