tijos.framework.devicecenter

Class TiI2CMaster

java.lang.Object

tijos.framework.devicecenter.TiI2CMaster

public class TiI2CMaster
extends Object

The TiI2CMaster for devicecenter of framework.

Author:

Andy.

Method Summary

Modifier and Type	Method and Description
void	close() Close the port of current object
int	getPort() Gets the port id of current object
static TiI2CMaster	open(int portID) Open the TiI2CMaster port by port id, and return the object NOTE: the SMBA disable, remapID is 0, that is default location
static TiI2CMaster	openRemap(int portID, boolean smba, int remapID) Open the TiI2CMaster port by port id and remap id, and return the object
static int	portNumber() Maximum number of port supported
void	read(int address, byte[] data, int offset, int len) Read the bytes data from salve with address
void	read(int address, byte[] data, int offset, int len, boolean repeated) Read the bytes data from salve with address
void	read(int address, int subAddress, byte[] data, int offset, int len) Read the bytes data from salve with address and sub address
void	setWorkBaudrate(int baudRate) Set the work baud rate
void	write(int address, byte[] data, int offset, int len) Write the bytes data to salve with address
void	write(int address, byte[] data, int offset, int len, boolean repeated) Write the bytes data to salve with address
void	write(int address, int subAddress, byte[] data, int offset, int len) Write the bytes data to salve with address and sub address

Methods inherited from class java.lang.Object

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

Method Detail

close

public void close()
           throws IOException

Close the port of current object

Throws:

IOException - If a TiI2CMaster error occurs

getPort

public int getPort()

Gets the port id of current object

Returns:

the port id

open

public static TiI2CMaster open(int portID)
                        throws IOException

Open the TiI2CMaster port by port id, and return the object
NOTE: the SMBA disable, remapID is 0, that is default location

Parameters:

portID - port id

Returns:

TiI2CMaster object

Throws:

IOException - If a TiI2CMaster error occurs

openRemap

public static TiI2CMaster openRemap(int portID,
                                    boolean smba,
                                    int remapID)
                             throws IOException

Open the TiI2CMaster port by port id and remap id, and return the object

Parameters:

portID - port id

smba - enable SMBA or not

remapID - the remap Id, range:0-3

Returns:

TiI2CMaster object

Throws:

IOException - If a TiI2CMaster error occurs

portNumber

public static int portNumber()

Maximum number of port supported

Returns:

number

read

public void read(int address,
                 byte[] data,
                 int offset,
                 int len)
          throws IOException

Read the bytes data from salve with address

Parameters:

address - slave address, range:0-1023, address without R/W flag

data - data array or null

offset - data offset

len - data length

Throws:

IOException - If a TiI2CMaster error occurs

ArrayIndexOutOfBoundsException - If array index out of range

read

public void read(int address,
                 byte[] data,
                 int offset,
                 int len,
                 boolean repeated)
          throws IOException

Read the bytes data from salve with address

Parameters:

address - slave address,range:0-1023, address without R/W flag

data - data array or null

offset - data offset

len - data length

repeated - need repeat, if repeated == true, no stop; if repeated == false, have stop

Throws:

IOException - If a TiI2CMaster error occurs

ArrayIndexOutOfBoundsException - If array index out of range

read

public void read(int address,
                 int subAddress,
                 byte[] data,
                 int offset,
                 int len)
          throws IOException

Read the bytes data from salve with address and sub address

Parameters:

address - slave address, range:0-1023, address without R/W flag

subAddress - sub address, range:0-65535

data - data array or null

offset - data offset

len - data length

Throws:

IOException - If a TiI2CMaster error occurs

ArrayIndexOutOfBoundsException - If array index out of range

setWorkBaudrate

public void setWorkBaudrate(int baudRate)
                     throws IOException

Set the work baud rate

Parameters:

baudRate - baud rate,
100: 100Kbps, standard speed, default
400: 400Kbps, fast speed
3400: 3.4Mbps, high speed

Throws:

IOException - If a TiI2CMaster error occurs

write

public void write(int address,
                  byte[] data,
                  int offset,
                  int len)
           throws IOException

Write the bytes data to salve with address

Parameters:

address - slave address, range:0-1023, address without R/W flag

data - data array or null

offset - data offset

len - data length

Throws:

IOException - If a TiI2CMaster error occurs

ArrayIndexOutOfBoundsException - If array index out of range

write

public void write(int address,
                  byte[] data,
                  int offset,
                  int len,
                  boolean repeated)
           throws IOException

Write the bytes data to salve with address

Parameters:

address - slave address,range:0-1023, address without R/W flag

data - data array or null

offset - data offset

len - data length

repeated - need repeat, if repeated == true, no stop; if repeated == false, have stop

Throws:

IOException - If a TiI2CMaster error occurs

ArrayIndexOutOfBoundsException - If array index out of range

write

public void write(int address,
                  int subAddress,
                  byte[] data,
                  int offset,
                  int len)
           throws IOException

Write the bytes data to salve with address and sub address

Parameters:

address - slave address, range:0-1023, address without R/W flag

subAddress - sub address, range:0-65535

data - data array or null

offset - data offset

len - data length

Throws:

IOException - If a TiI2CMaster error occurs

ArrayIndexOutOfBoundsException - If array index out of range