API for the MPR121 I2C Touch Sensor. More...

Detailed Description

UPM module for the MPR121 touch sensor

Public Member Functions
synchronized void	delete ()

	MPR121 (int bus, short address)

	MPR121 (int bus)

boolean	configAN3944 ()

void	readButtons ()

int	writeBytes (short reg, byte[] buffer)

int	readBytes (short reg, byte[] buffer)

void	setM_buttonStates (int value)

int	getM_buttonStates ()

void	setM_overCurrentFault (boolean value)

boolean	getM_overCurrentFault ()

Constructor & Destructor Documentation

MPR121 constructor

Parameters

bus	I2C bus to use

boolean configAN3944 ( )

MPR121 destructor ~MPR121(); there is no need for the destructor Sets up a default configuration, based on Application Note 3944 (AN3944): http://cache.freescale.com/files/sensors/doc/app_note/AN3944.pdf

After configuration, the sensor is left in the run state.

void readButtons ( )

Reads button states in the m_buttonStates member variable. Also, sets the m_overCurrentFault variable if overcurrent is detected.

The documentation for this class was generated from the following file: