Package cbsw.lhcb.pdmdb

Class GbtxSca.I2c

java.lang.Object

cbsw.lhcb.pdmdb.GbtGrandParent.I2c

cbsw.lhcb.pdmdb.GbtxSca.I2c

All Implemented Interfaces:

I2cIo

Enclosing class:

GbtxSca

class GbtxSca.I2c
extends GbtGrandParent.I2c

Constructor Summary

Constructors

Constructor	Description
I2c()

Method Summary

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

Methods inherited from class cbsw.lhcb.pdmdb.GbtGrandParent.I2c

getChunk, putChunk

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 void put(java.nio.ByteBuffer smbBB)

Description copied from interface: I2cIo

Does an I2C multi-byte write transaction.

Specified by:

put in interface I2cIo

Specified by:

put in class GbtGrandParent.I2c

Parameters:

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

put

public 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

Specified by:

put in class GbtGrandParent.I2c

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 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

Specified by:

get in class GbtGrandParent.I2c

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 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

Specified by:

prepareMulti in class GbtGrandParent.I2c

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 void prepareMulti(byte smbBus,
                         byte smbAddress)

Description copied from interface: I2cIo

Prepares an I2C multi-byte read transaction.

Specified by:

prepareMulti in interface I2cIo

Specified by:

prepareMulti in class GbtGrandParent.I2c

Parameters:

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

smbAddress - The address of the SMB/I2C target.

writeMulti

public 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

Specified by:

writeMulti in class GbtGrandParent.I2c

Parameters:

smbBus - The SMB/I2C bus number.

nbytes - The number of bytes to transfer.

readMulti

public 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

Specified by:

readMulti in class GbtGrandParent.I2c

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.