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package com.diozero.devices;
/*
* #%L
* Organisation: diozero
* Project: Device I/O Zero - Core
* Filename: MCP23008.java
*
* This file is part of the diozero project. More information about this project
* can be found at http://www.diozero.com/
* %%
* Copyright (C) 2016 - 2020 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 com.diozero.api.I2CConstants;
import com.diozero.api.I2CDevice;
import com.diozero.internal.provider.mcp23xxx.MCP23x08;
import com.diozero.util.RuntimeIOException;
public class MCP23008 extends MCP23x08 {
// Default I2C address
private static final int DEVICE_ADDRESS = 0x20;
private static final String DEVICE_NAME = "MCP23008";
private I2CDevice device;
public MCP23008() throws RuntimeIOException {
this(I2CConstants.BUS_1, DEVICE_ADDRESS, INTERRUPT_GPIO_NOT_SET, INTERRUPT_GPIO_NOT_SET);
}
public MCP23008(int interruptGpio) throws RuntimeIOException {
this(I2CConstants.BUS_1, DEVICE_ADDRESS, interruptGpio, interruptGpio);
}
public MCP23008(int interruptGpioA, int interruptGpioB) throws RuntimeIOException {
this(I2CConstants.BUS_1, DEVICE_ADDRESS, interruptGpioA, interruptGpioB);
}
public MCP23008(int controller, int address, int interruptGpio) throws RuntimeIOException {
this(controller, address, interruptGpio, interruptGpio);
}
public MCP23008(int controller, int address, int interruptGpioA, int interruptGpioB) throws RuntimeIOException {
super(DEVICE_NAME + "-" + controller + "-" + address, interruptGpioA, interruptGpioB);
device = new I2CDevice(controller, address, I2CConstants.ADDR_SIZE_7, I2CConstants.DEFAULT_CLOCK_FREQUENCY);
initialise();
}
@Override
public void close() throws RuntimeIOException {
super.close();
device.close();
}
@Override
protected byte readByte(int register) {
return device.readByte(register);
}
@Override
protected void writeByte(int register, byte value) {
device.writeByte(register, value);
}
}
