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package com.diozero.internal.provider.jdkdio10;
/*
* #%L
* Device I/O Zero - JDK Device I/O v1.0 provider
* %%
* Copyright (C) 2016 diozero
* %%
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
* #L%
*/
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import com.diozero.api.*;
import com.diozero.internal.spi.*;
import com.diozero.util.RuntimeIOException;
public class JdkDeviceIoDeviceFactory extends BaseNativeDeviceFactory {
public JdkDeviceIoDeviceFactory() {
// Prevent having to reference a local GPIO policy file via -Djava.security.policy= command line
if (System.getSecurityManager() == null) {
try {
Path policy_file_path = Files.createTempFile("dio-zero-gpio-", ".policy");
policy_file_path.toFile().deleteOnExit();
try (InputStream is = getClass().getResourceAsStream("/config/gpio.policy")) {
Files.copy(is, policy_file_path, StandardCopyOption.REPLACE_EXISTING);
}
System.setProperty("java.security.policy", policy_file_path.toString());
} catch (IOException e) {
// Ignore
e.printStackTrace();
}
}
}
@Override
public String getName() {
return getClass().getSimpleName() + "10";
}
@Override
public int getPwmFrequency(int pinNumber) {
throw new UnsupportedOperationException("PWM output isn't supported by JDK Device I/O");
}
@Override
public void setPwmFrequency(int pinNumber, int pwmFrequency) {
throw new UnsupportedOperationException("PWM output isn't supported by JDK Device I/O");
}
@Override
protected GpioAnalogInputDeviceInterface createAnalogInputPin(String key, int pinNumber) throws RuntimeIOException {
throw new UnsupportedOperationException("Analog devices aren't supported on this device");
}
@Override
protected GpioAnalogOutputDeviceInterface createAnalogOutputPin(String key, int pinNumber) throws RuntimeIOException {
throw new UnsupportedOperationException("Analog devices aren't supported on this device");
}
@Override
protected GpioDigitalInputDeviceInterface createDigitalInputPin(String key, int pinNumber, GpioPullUpDown pud,
GpioEventTrigger trigger) throws RuntimeIOException {
return new JdkDeviceIoDigitalInputDevice(key, this, pinNumber, pud, trigger);
}
@Override
protected GpioDigitalOutputDeviceInterface createDigitalOutputPin(String key, int pinNumber, boolean initialValue) throws RuntimeIOException {
return new JdkDeviceIoGpioOutputDevice(key, this, pinNumber, initialValue);
}
@Override
protected PwmOutputDeviceInterface createPwmOutputPin(String key, int pinNumber,
float initialValue, PwmType pwmType) throws RuntimeIOException {
throw new UnsupportedOperationException("PWM output isn't supported by JDK Device I/O");
}
@Override
protected SpiDeviceInterface createSpiDevice(String key, int controller, int chipSelect, int frequency, SpiClockMode spiClockMode) throws RuntimeIOException {
return new JdkDeviceIoSpiDevice(key, this, controller, chipSelect, frequency, spiClockMode);
}
@Override
protected I2CDeviceInterface createI2CDevice(String key, int controller, int address, int addressSize, int clockFrequency) throws RuntimeIOException {
return new JdkDeviceIoI2CDevice(key, this, controller, address, addressSize, clockFrequency);
}
}
