Java PeripheralManagerService.getGpioList方法代碼示例

import com.google.android.things.pio.PeripheralManagerService; //導入方法依賴的package包/類
/**
 * Get board variant.
 *
 * @return Name of the board.
 */
private static String getBoardVariant() {
    if (!sBoardVariant.isEmpty()) {
        return sBoardVariant;
    }
    sBoardVariant = Build.DEVICE;
    // For the edison check the pin prefix
    // to always return Edison Breakout pin name when applicable.
    if (sBoardVariant.equals(DEVICE_EDISON)) {
        PeripheralManagerService pioService = new PeripheralManagerService();
        List<String> gpioList = pioService.getGpioList();
        if (gpioList.size() != 0) {
            String pin = gpioList.get(0);
            if (pin.startsWith("IO")) {
                sBoardVariant = DEVICE_EDISON_ARDUINO;
            }
        }
    }
    return sBoardVariant;
}
 

import com.google.android.things.pio.PeripheralManagerService; //導入方法依賴的package包/類
private static String getBoardVariant() {
    if (!sBoardVariant.isEmpty()) {
        return sBoardVariant;
    }
    sBoardVariant = Build.DEVICE;
    // For the edison check the pin prefix
    // to always return Edison Breakout pin name when applicable.
    if (sBoardVariant.equals(DEVICE_EDISON)) {
        PeripheralManagerService pioService = new PeripheralManagerService();
        List<String> gpioList = pioService.getGpioList();
        if (gpioList.size() != 0) {
            String pin = gpioList.get(0);
            if (pin.startsWith("IO")) {
                sBoardVariant = DEVICE_EDISON_ARDUINO;
            }
        }
    }
    return sBoardVariant;
}
 

import com.google.android.things.pio.PeripheralManagerService; //導入方法依賴的package包/類
private static String getBoardVariant() {
    if (!sBoardVariant.isEmpty()) {
        return sBoardVariant;
    }
    sBoardVariant = Build.DEVICE;
    // For the edison check the pin prefix
    // to always return Edison Breakout pin name when applicable.
    if (sBoardVariant.equals(DEVICE_EDISON)) {
        final PeripheralManagerService pioService = new PeripheralManagerService();
        final List<String> gpioList = pioService.getGpioList();
        if (gpioList.size() != 0) {
            final String pin = gpioList.get(0);
            if (pin.startsWith("IO")) {
                sBoardVariant = DEVICE_EDISON_ARDUINO;
            }
        }
    }
    return sBoardVariant;
}
 

import com.google.android.things.pio.PeripheralManagerService; //導入方法依賴的package包/類
@Override
protected void initialize() {
    PeripheralManagerService peripheralManagerService = new PeripheralManagerService();
    List<String> portList = peripheralManagerService.getGpioList();
    if (portList.isEmpty()) {
        Log.i(TAG, "No GPIO port available on this device.");
    } else {
        Log.i(TAG, "List of available ports: " + portList);
    }
}
 

import com.google.android.things.pio.PeripheralManagerService; //導入方法依賴的package包/類
public OLEDBlock() throws IOException {
    PeripheralManagerService peripheralManagerService = new PeripheralManagerService();

    // Make sure GPIO is available for buttons
    List<String> gpioList = peripheralManagerService.getGpioList();
    if (gpioList.isEmpty()) {
        Log.i(TAG, "No GPIO available on this device.");
        throw new IOException("GPIO interface is require");
    } else {
        Log.i(TAG, "List of available GPIO : " + gpioList);
        for ( int i = 0; i < GPIOButtons.length; i ++ ) {
            if ( gpioList.contains(GPIOButtons[i]) == false )
                Log.i(TAG, "GPIO "+GPIOButtons[i]+" is not available on this device.");
        }
        // SSD1306
        if (gpioList.contains("GP14")== false )
            Log.i(TAG, "GPIO GP14 is not available on this device.");
        if (gpioList.contains("GP15")== false )
            Log.i(TAG, "GPIO GP15 is not available on this device.");
    }

    // SPI will be use by SSD1306 OLED display
    List<String> spiList = peripheralManagerService.getSpiBusList();
    if (spiList.isEmpty()) {
        Log.i(TAG, "No SPI available on this device.");
        throw new IOException("SPI interface is require");
    } else {
        Log.i(TAG, "List of available SPI : " + spiList);
    }

    // Setup button
    for ( int i = 0 ; i < GPIOButtons.length; i++ ) {
        ButtonInputDriver buttonInputDriver = new ButtonInputDriver(GPIOButtons[i],
                Button.LogicState.PRESSED_WHEN_LOW,
                buttons[i] // the keycode to send
        );
        buttonInputDriver.register();
        buttonInputDriverList.add(buttonInputDriver);
    }

    try {
        ssd1306 = new SSD1306(spiList.get(0));
    } catch (InterruptedException e) {
        Log.e(TAG,"error",e);
        throw new IOException("Unable to init SSD1306");
    }

    Log.i(TAG, "Completed init");
}