Package cbsw.lhcb.pdmdb

Class GbtGrandParent.I2c

java.lang.Object

cbsw.lhcb.pdmdb.GbtGrandParent.I2c

All Implemented Interfaces:

I2cIo

Direct Known Subclasses:

GbtxParent.I2c, GbtxSca.I2c, LpGbtParent.I2c

Enclosing class:

GbtGrandParent

abstract class GbtGrandParent.I2c
extends java.lang.Object
implements I2cIo

Constructor Summary

Constructors

Constructor	Description
I2c()

Method Summary

Modifier and Type	Method	Description
abstract void	get(byte smbBus, byte smbAddress, java.nio.ByteBuffer offsetBB, byte[] i2cBuf)	Does an I2C multi-byte read transaction.
void	getChunk(byte smbBus, byte smbAddress, short nbytes, byte[] i2cBuf, int offset)	Does an I2C multi-byte read transaction.
abstract void	prepareMulti(byte smbBus, byte smbAddress)	Prepares an I2C multi-byte read transaction.
abstract void	prepareMulti(byte smbBus, byte smbAddress, java.nio.ByteBuffer i2cBB)	Prepares an I2C multi-byte write transaction.
abstract void	put(byte smbBus, byte smbAddress, java.nio.ByteBuffer offsetBB, byte[] i2cBuf)	Does an I2C multi-byte write transaction.
abstract void	put(java.nio.ByteBuffer smbBB)	Does an I2C multi-byte write transaction.
void	putChunk(byte smbBus, byte smbAddress, java.nio.ByteBuffer i2cBB)	Does an I2C multi-byte write transaction.
abstract void	readMulti(byte smbBus, short nbytes, byte[] i2cBuf, int offset)	Sets up and launches a prepared I2C multi-byte read transaction.
abstract void	writeMulti(byte smbBus, int nbytes)	Sets up and launches a prepared I2C multi-byte write transaction.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

I2c

I2c()

Method Detail

put

public abstract void put(java.nio.ByteBuffer smbBB)

Description copied from interface: I2cIo

Does an I2C multi-byte write transaction.

Specified by:

put in interface I2cIo

Parameters:

smbBB - A ByteBuffer containing the target address, register pointer and register value data.

put

public abstract void put(byte smbBus,
                         byte smbAddress,
                         java.nio.ByteBuffer offsetBB,
                         byte[] i2cBuf)

Description copied from interface: I2cIo

Does an I2C multi-byte write transaction.

Specified by:

put in interface I2cIo

Parameters:

smbBus - The bus number of the SMB/I2C target.

smbAddress - The address of the SMB/I2C target.

offsetBB - The ByteBuffer containing the register offset.

i2cBuf - The buffer containing the data.

get

public abstract void get(byte smbBus,
                         byte smbAddress,
                         java.nio.ByteBuffer offsetBB,
                         byte[] i2cBuf)

Description copied from interface: I2cIo

Does an I2C multi-byte read transaction.

Specified by:

get in interface I2cIo

Parameters:

smbBus - The bus number of the SMB/I2C target.

smbAddress - The address of the SMB/I2C target.

offsetBB - ByteBuffer containing the offset where to start writing into i2cBuf.

i2cBuf - A buffer to receive the data.

prepareMulti

public abstract void prepareMulti(byte smbBus,
                                  byte smbAddress,
                                  java.nio.ByteBuffer i2cBB)

Description copied from interface: I2cIo

Prepares an I2C multi-byte write transaction.

Specified by:

prepareMulti in interface I2cIo

Parameters:

smbBus - The bus number of the SMB/I2C target.

smbAddress - The address of the SMB/I2C target.

i2cBB - The ByteBuffer containing the I2C transaction.

prepareMulti

public abstract void prepareMulti(byte smbBus,
                                  byte smbAddress)

Description copied from interface: I2cIo

Prepares an I2C multi-byte read transaction.

Specified by:

prepareMulti in interface I2cIo

Parameters:

smbBus - The bus number of the SMB/I2C target.

smbAddress - The address of the SMB/I2C target.

writeMulti

public abstract void writeMulti(byte smbBus,
                                int nbytes)

Description copied from interface: I2cIo

Sets up and launches a prepared I2C multi-byte write transaction.

Specified by:

writeMulti in interface I2cIo

Parameters:

smbBus - The SMB/I2C bus number.

nbytes - The number of bytes to transfer.

readMulti

public abstract void readMulti(byte smbBus,
                               short nbytes,
                               byte[] i2cBuf,
                               int offset)

Description copied from interface: I2cIo

Sets up and launches a prepared I2C multi-byte read transaction.

Specified by:

readMulti in interface I2cIo

Parameters:

smbBus - The SMB/I2C bus number.

nbytes - The number of bytes to transfer.

i2cBuf - A buffer to receive the data.

offset - The offset where to start writing into i2cBuf.

putChunk

public void putChunk(byte smbBus,
                     byte smbAddress,
                     java.nio.ByteBuffer i2cBB)

Does an I2C multi-byte write transaction.

Parameters:

smbBus - The SMB/I2C bus number.

smbAddress - The address of the SMB/I2C target.

i2cBB - The ByteBuffer containing the I2C transaction.

getChunk

public void getChunk(byte smbBus,
                     byte smbAddress,
                     short nbytes,
                     byte[] i2cBuf,
                     int offset)

Does an I2C multi-byte read transaction.

Parameters:

smbBus - The SMB/I2C bus number.

smbAddress - The address of the SMB/I2C target.

nbytes - The number of bytes to transfer.

i2cBuf - A buffer to receive the data.

offset - The offset where to start writing into i2cBuf.