Adafruit_MPR121.h File Reference

#include "Arduino.h"
#include <Adafruit_BusIO_Register.h>
#include <Adafruit_I2CDevice.h>

Go to the source code of this file.

Classes
class	Adafruit_MPR121
	Class that stores state and functions for interacting with MPR121 proximity capacitive touch sensor controller. More...

Macros
#define	MPR121_I2CADDR_DEFAULT   0x5A
	default I2C address
#define	MPR121_TOUCH_THRESHOLD_DEFAULT   12
	default touch threshold value
#define	MPR121_RELEASE_THRESHOLD_DEFAULT   6
	default relese threshold value

Enumerations
enum	{   MPR121_TOUCHSTATUS_L = 0x00, MPR121_TOUCHSTATUS_H = 0x01, MPR121_FILTDATA_0L = 0x04, MPR121_FILTDATA_0H = 0x05,   MPR121_BASELINE_0 = 0x1E, MPR121_MHDR = 0x2B, MPR121_NHDR = 0x2C, MPR121_NCLR = 0x2D,   MPR121_FDLR = 0x2E, MPR121_MHDF = 0x2F, MPR121_NHDF = 0x30, MPR121_NCLF = 0x31,   MPR121_FDLF = 0x32, MPR121_NHDT = 0x33, MPR121_NCLT = 0x34, MPR121_FDLT = 0x35,   MPR121_TOUCHTH_0 = 0x41, MPR121_RELEASETH_0 = 0x42, MPR121_DEBOUNCE = 0x5B, MPR121_CONFIG1 = 0x5C,   MPR121_CONFIG2 = 0x5D, MPR121_CHARGECURR_0 = 0x5F, MPR121_CHARGETIME_1 = 0x6C, MPR121_ECR = 0x5E,   MPR121_AUTOCONFIG0 = 0x7B, MPR121_AUTOCONFIG1 = 0x7C, MPR121_UPLIMIT = 0x7D, MPR121_LOWLIMIT = 0x7E,   MPR121_TARGETLIMIT = 0x7F, MPR121_GPIODIR = 0x76, MPR121_GPIOEN = 0x77, MPR121_GPIOSET = 0x78,   MPR121_GPIOCLR = 0x79, MPR121_GPIOTOGGLE = 0x7A, MPR121_SOFTRESET = 0x80 }

Detailed Description

This is a library for the MPR121 12-Channel Capacitive Sensor

Designed specifically to work with the MPR121 board.

Pick one up today in the adafruit shop! ---—> https://www.adafruit.com/product/1982

These sensors use I2C to communicate, 2+ pins are required to interface

Adafruit invests time and resources providing this open source code, please support Adafruit andopen-source hardware by purchasing products from Adafruit!

Limor Fried/Ladyada (Adafruit Industries).

BSD license, all text above must be included in any redistribution

Enumeration Type Documentation

anonymous enum

anonymous enum

Device register map