andrewm@268: /*
andrewm@268:  * MPR121 Bela demo
andrewm@268:  * 
andrewm@268:  * Andrew McPherson
andrewm@268:  * Based on Adafruit library by Limor Fried/Ladyada
andrewm@268:  */
andrewm@268: 
andrewm@268: #ifndef I2CTK_H_
andrewm@268: #define I2CTK_H_
andrewm@268: 
andrewm@268: #include <I2c.h>
andrewm@268: #include "Utilities.h"
andrewm@268: 
andrewm@268: typedef bool boolean;
andrewm@268: 
andrewm@268: #define MPR121_I2CADDR_DEFAULT 0x5A
andrewm@268: 
andrewm@268: #define MPR121_TOUCHSTATUS_L 0x00
andrewm@268: #define MPR121_TOUCHSTATUS_H 0x01
andrewm@268: #define MPR121_FILTDATA_0L  0x04
andrewm@268: #define MPR121_FILTDATA_0H  0x05
andrewm@268: #define MPR121_BASELINE_0   0x1E
andrewm@268: #define MPR121_MHDR         0x2B
andrewm@268: #define MPR121_NHDR         0x2C
andrewm@268: #define MPR121_NCLR         0x2D
andrewm@268: #define MPR121_FDLR         0x2E
andrewm@268: #define MPR121_MHDF         0x2F
andrewm@268: #define MPR121_NHDF         0x30
andrewm@268: #define MPR121_NCLF         0x31
andrewm@268: #define MPR121_FDLF         0x32
andrewm@268: #define MPR121_NHDT         0x33
andrewm@268: #define MPR121_NCLT         0x34
andrewm@268: #define MPR121_FDLT         0x35
andrewm@268: 
andrewm@268: #define MPR121_TOUCHTH_0    0x41
andrewm@268: #define MPR121_RELEASETH_0    0x42
andrewm@268: #define MPR121_DEBOUNCE 0x5B
andrewm@268: #define MPR121_CONFIG1 0x5C
andrewm@268: #define MPR121_CONFIG2 0x5D
andrewm@268: #define MPR121_CHARGECURR_0 0x5F
andrewm@268: #define MPR121_CHARGETIME_1 0x6C
andrewm@268: #define MPR121_ECR 0x5E
andrewm@268: #define MPR121_AUTOCONFIG0 0x7B
andrewm@268: #define MPR121_AUTOCONFIG1 0x7C
andrewm@268: #define MPR121_UPLIMIT   0x7D
andrewm@268: #define MPR121_LOWLIMIT  0x7E
andrewm@268: #define MPR121_TARGETLIMIT  0x7F
andrewm@268: 
andrewm@268: #define MPR121_GPIODIR  0x76
andrewm@268: #define MPR121_GPIOEN  0x77
andrewm@268: #define MPR121_GPIOSET  0x78
andrewm@268: #define MPR121_GPIOCLR  0x79
andrewm@268: #define MPR121_GPIOTOGGLE  0x7A
andrewm@268: 
andrewm@268: #define MPR121_SOFTRESET 0x80
andrewm@268: 
andrewm@268: class I2C_MPR121 : public I2c
andrewm@268: {
andrewm@268: public:
andrewm@268: 	// Hardware I2C
andrewm@268: 	I2C_MPR121();
andrewm@268: 
andrewm@268: 	boolean begin(uint8_t bus = 1, uint8_t i2caddr = MPR121_I2CADDR_DEFAULT);
andrewm@268: 
andrewm@268: 	uint16_t filteredData(uint8_t t);
andrewm@268: 	uint16_t  baselineData(uint8_t t);
andrewm@268: 
andrewm@268: 	uint8_t readRegister8(uint8_t reg);
andrewm@268: 	uint16_t readRegister16(uint8_t reg);
andrewm@268: 	void writeRegister(uint8_t reg, uint8_t value);
andrewm@268: 	uint16_t touched(void);
andrewm@268:  
andrewm@268:  	void setThresholds(uint8_t touch, uint8_t release);
andrewm@268: 	
andrewm@268: 	int readI2C() { return 0; } // Unused
andrewm@268: 	
andrewm@268: private:
andrewm@268: 	int _i2c_address;
andrewm@268: };
andrewm@268: 
andrewm@268: 
andrewm@268: #endif /* I2CTK_H_ */