gpio.java

public void openSolenoidGpioPins() {
    solenoids.add(configureGpioPin(BoardDefaults.getFirstSolenoidGpioPin()));
    solenoids.add(configureGpioPin(BoardDefaults.getSecondSolenoidGpioPin()));
    solenoids.add(configureGpioPin(BoardDefaults.getThirdSolenoidGpioPin()));
    solenoids.add(configureGpioPin(BoardDefaults.getFourthSolenoidGpioPin()));
    solenoids.add(configureGpioPin(BoardDefaults.getFifthSolenoidGpioPin()));
    solenoids.add(configureGpioPin(BoardDefaults.getSixthSolenoidGpioPin()));
}

private Gpio configureGpioPin(String pin) {
    Gpio gpioPin = null;
    try {
        gpioPin = peripheralManagerService.openGpio(pin);
        gpioPin.setDirection(DIRECTION_OUT_INITIALLY_LOW);
        gpioPin.setActiveType(ACTIVE_HIGH);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return gpioPin;
}