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package com.diozero.internal.provider.sysfs;
/*-
* #%L
* Organisation: mattjlewis
* Project: Device I/O Zero - Core
* Filename: NativeI2C.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 - 2017 mattjlewis
* %%
* 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%
*/
public class NativeI2C {
static final int I2C_FUNC_I2C = 0x00000001;
static final int I2C_FUNC_10BIT_ADDR = 0x00000002;
static final int I2C_FUNC_PROTOCOL_MANGLING = 0x00000004; /* I2C_M_IGNORE_NAK etc. */
static final int I2C_FUNC_SMBUS_PEC = 0x00000008;
static final int I2C_FUNC_NOSTART = 0x00000010; /* I2C_M_NOSTART */
static final int I2C_FUNC_SMBUS_BLOCK_PROC_CALL = 0x00008000; /* SMBus 2.0 */
static final int I2C_FUNC_SMBUS_QUICK = 0x00010000;
static final int I2C_FUNC_SMBUS_READ_BYTE = 0x00020000;
static final int I2C_FUNC_SMBUS_WRITE_BYTE = 0x00040000;
static final int I2C_FUNC_SMBUS_READ_BYTE_DATA = 0x00080000;
static final int I2C_FUNC_SMBUS_WRITE_BYTE_DATA = 0x00100000;
static final int I2C_FUNC_SMBUS_READ_WORD_DATA = 0x00200000;
static final int I2C_FUNC_SMBUS_WRITE_WORD_DATA = 0x00400000;
static final int I2C_FUNC_SMBUS_PROC_CALL = 0x00800000;
static final int I2C_FUNC_SMBUS_READ_BLOCK_DATA = 0x01000000;
static final int I2C_FUNC_SMBUS_WRITE_BLOCK_DATA = 0x02000000;
static final int I2C_FUNC_SMBUS_READ_I2C_BLOCK = 0x04000000; /* I2C-like block xfer */
static final int I2C_FUNC_SMBUS_WRITE_I2C_BLOCK = 0x08000000; /* w/ 1-byte reg. addr. */
/* smbus_access read or write markers */
public static final byte I2C_SMBUS_READ = 1;
public static final byte I2C_SMBUS_WRITE = 0;
static native int getFuncs(int fd);
static native int selectSlave(int fd, int deviceAddress, boolean force);
// System Management Bus (SMBus) commands
static native int smbusOpen(String adapter, int deviceAddress, boolean force);
static native void smbusClose(int fd);
static native int writeQuick(int fd, byte bit);
static native int readByte(int fd);
static native int writeByte(int fd, byte value);
static native int readBytes(int fd, int rxLength, byte[] rxData);
static native int writeBytes(int fd, int txLength, byte[] txData);
static native int readByteData(int fd, int registerAddress);
static native int writeByteData(int fd, int registerAddress, byte value);
static native int readWordData(int fd, int registerAddress);
static native int writeWordData(int fd, int registerAddress, short value);
static native int processCall(int fd, int registerAddress, short value);
static native int readBlockData(int fd, int registerAddress, byte[] rxData);
static native int writeBlockData(int fd, int registerAddress, int txLength, byte[] txData);
static native int blockProcessCall(int fd, int registerAddress, int txLength, byte[] txData, byte[] rxData);
static native int readI2CBlockData(int fd, int registerAddress, int rxLength, byte[] rxData);
static native int writeI2CBlockData(int fd, int registerAddress, int txLength, byte[] txData);
}
