Module com.pi4j

Package com.pi4j.io.i2c

Interface I2CRegisterDataReaderWriter

All Superinterfaces:

I2CRegisterDataReader, I2CRegisterDataWriter

All Known Subinterfaces:

I2C

All Known Implementing Classes:

I2CBase

public interface I2CRegisterDataReaderWriter
extends I2CRegisterDataReader, I2CRegisterDataWriter

I2C Register Data Writer Interface for Pi4J Data Communications

Version:

$Id: $Id

Author:

Robert Savage Based on previous contributions from: Daniel Sendula, RasPelikan

Method Summary

Modifier and Type	Method	Description
default int	writeReadRegisterWord(int register, int word)	Write a single word value (16-bit) to the I2C device register and immediately reads back a 16-bit word value.

Methods inherited from interface com.pi4j.io.i2c.I2CRegisterDataReader

readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegister, readRegisterByte, readRegisterByteBuffer, readRegisterByteBuffer, readRegisterCharArray, readRegisterCharArray, readRegisterCharArray, readRegisterCharArray, readRegisterCharBuffer, readRegisterCharBuffer, readRegisterCharBuffer, readRegisterCharBuffer, readRegisterNBytes, readRegisterNBytes, readRegisterString, readRegisterString, readRegisterString, readRegisterString, readRegisterWord

Methods inherited from interface com.pi4j.io.i2c.I2CRegisterDataWriter

write, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegister, writeRegisterWord

Method Details

writeReadRegisterWord

default int writeReadRegisterWord(int register,
 int word)

Write a single word value (16-bit) to the I2C device register and immediately reads back a 16-bit word value.

Parameters:

register - the register address to write to

word - 16-bit word value to be written

Returns:

The 16-bit word value read/returned; or a negative value if error