com.esf.sbc.catalyst.smbus.service
Interface ICatalystSmBusService

public interface ICatalystSmBusService

Field Summary

static java.lang.String

SERVICE_NAME

Method Summary

int	getLastError() gets the last error provided by the SMBus native library
byte[]	readBlock(byte slaveAddress, byte command) reads a block of bytes from the SMBus
byte	readByte(byte slaveAddress, byte command) reads a byte from the SMBus
short	readWord(byte slaveAddress, byte command) reads a 16 bit word from the SMBus
void	setLastError(int error) sets the last error in the SMBus native library
void	write(byte slaveAddress, byte command, byte[] data) writes data to the SMbus

Field Detail

SERVICE_NAME

public static final java.lang.String SERVICE_NAME

Method Detail

write

public void write(byte slaveAddress,
                  byte command,
                  byte[] data)
           throws java.lang.Exception

writes data to the SMbus

Parameters:

slaveAddress - the slave address to write to

command - the command to write

data - the data to write

Throws:

java.lang.Exception - if the write can not succeed

readByte

public byte readByte(byte slaveAddress,
                     byte command)
              throws java.lang.Exception

reads a byte from the SMBus

Parameters:

slaveAddress - the slave address to read from

command - the command to send

Returns:

the byte read from the SMBus

Throws:

java.lang.Exception - if the read fails

readWord

public short readWord(byte slaveAddress,
                      byte command)
               throws java.lang.Exception

reads a 16 bit word from the SMBus

Parameters:

slaveAddress - the slave address to read from

command - the command to send

Returns:

the word read from the SMBus

Throws:

java.lang.Exception - if the read fails

readBlock

public byte[] readBlock(byte slaveAddress,
                        byte command)
                 throws java.lang.Exception

reads a block of bytes from the SMBus

Parameters:

slaveAddress - the slave address to read from

command - the command to send

Returns:

an array of bytes read from the SMBus

Throws:

java.lang.Exception - if the read fails

getLastError

public int getLastError()
                 throws java.lang.Exception

gets the last error provided by the SMBus native library

Returns:

an int representing the last error provided by the SMBus native library

Throws:

java.lang.Exception - if there is an error reading the last error

setLastError

public void setLastError(int error)
                  throws java.lang.Exception

sets the last error in the SMBus native library

Parameters:

error - the error code to set in the natvie library

Throws:

java.lang.Exception - if there is an error setting the error code