processing.io

Class I2C

Object

I2C

public class I2C
extends Object

Constructor Summary

Constructors

Constructor and Description
I2C(String dev) Opens an I2C interface as master

Method Summary

Modifier and Type	Method and Description
void	beginTransmission(int slave) Begins a transmission to an attached device
void	close() Closes the I2C device
void	endTransmission() Ends the current transmissions
static String[]	list() Lists all available I2C interfaces
byte[]	read(int len) Reads bytes from the attached device
void	write(byte out) Adds a byte to be written to the attached device
void	write(byte[] out) Adds bytes to be written to the device
void	write(int out) Adds a byte to be written to the attached device
void	write(String out) Adds bytes to be written to the attached device

Methods inherited from class Object

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

Constructor Detail

I2C

public I2C(String dev)

Opens an I2C interface as master

Parameters:

dev - interface name

See Also:

list

Method Detail

beginTransmission

public void beginTransmission(int slave)

Begins a transmission to an attached device

See Also:

write, read, endTransmission

close

public void close()

Closes the I2C device

endTransmission

public void endTransmission()

Ends the current transmissions

See Also:

beginTransmission, write

list

public static String[] list()

Lists all available I2C interfaces

Returns:

String array

read

public byte[] read(int len)

Reads bytes from the attached device

Parameters:

len - number of bytes to read

Returns:

bytes read from device

See Also:

beginTransmission, write, endTransmission

write

public void write(byte[] out)

Adds bytes to be written to the device

Parameters:

out - bytes to be written

See Also:

beginTransmission, read, endTransmission

write

public void write(String out)

Adds bytes to be written to the attached device

Parameters:

out - string to be written

See Also:

beginTransmission, read, endTransmission

write

public void write(int out)

Adds a byte to be written to the attached device

Parameters:

out - single byte to be written, e.g. numeric literal (0 to 255, or -128 to 127)

See Also:

beginTransmission, read, endTransmission

write

public void write(byte out)

Adds a byte to be written to the attached device

Parameters:

out - single byte to be written

See Also:

beginTransmission, read, endTransmission