robert@501: /*
robert@501:  * MPR121 Bela demo
robert@501:  * 
robert@501:  * Andrew McPherson
robert@501:  * Based on Adafruit library by Limor Fried/Ladyada
robert@501:  */
robert@501: 
robert@501: #ifndef I2CTK_H_
robert@501: #define I2CTK_H_
robert@501: 
robert@501: #include <I2c.h>
robert@501: #include "Utilities.h"
robert@501: 
robert@501: typedef bool boolean;
robert@501: 
robert@501: #define MPR121_I2CADDR_DEFAULT 0x5A
robert@501: 
robert@501: #define MPR121_TOUCHSTATUS_L 0x00
robert@501: #define MPR121_TOUCHSTATUS_H 0x01
robert@501: #define MPR121_FILTDATA_0L  0x04
robert@501: #define MPR121_FILTDATA_0H  0x05
robert@501: #define MPR121_BASELINE_0   0x1E
robert@501: #define MPR121_MHDR         0x2B
robert@501: #define MPR121_NHDR         0x2C
robert@501: #define MPR121_NCLR         0x2D
robert@501: #define MPR121_FDLR         0x2E
robert@501: #define MPR121_MHDF         0x2F
robert@501: #define MPR121_NHDF         0x30
robert@501: #define MPR121_NCLF         0x31
robert@501: #define MPR121_FDLF         0x32
robert@501: #define MPR121_NHDT         0x33
robert@501: #define MPR121_NCLT         0x34
robert@501: #define MPR121_FDLT         0x35
robert@501: 
robert@501: #define MPR121_TOUCHTH_0    0x41
robert@501: #define MPR121_RELEASETH_0    0x42
robert@501: #define MPR121_DEBOUNCE 0x5B
robert@501: #define MPR121_CONFIG1 0x5C
robert@501: #define MPR121_CONFIG2 0x5D
robert@501: #define MPR121_CHARGECURR_0 0x5F
robert@501: #define MPR121_CHARGETIME_1 0x6C
robert@501: #define MPR121_ECR 0x5E
robert@501: #define MPR121_AUTOCONFIG0 0x7B
robert@501: #define MPR121_AUTOCONFIG1 0x7C
robert@501: #define MPR121_UPLIMIT   0x7D
robert@501: #define MPR121_LOWLIMIT  0x7E
robert@501: #define MPR121_TARGETLIMIT  0x7F
robert@501: 
robert@501: #define MPR121_GPIODIR  0x76
robert@501: #define MPR121_GPIOEN  0x77
robert@501: #define MPR121_GPIOSET  0x78
robert@501: #define MPR121_GPIOCLR  0x79
robert@501: #define MPR121_GPIOTOGGLE  0x7A
robert@501: 
robert@501: #define MPR121_SOFTRESET 0x80
robert@501: 
robert@501: class I2C_MPR121 : public I2c
robert@501: {
robert@501: public:
robert@501: 	// Hardware I2C
robert@501: 	I2C_MPR121();
robert@501: 
robert@501: 	boolean begin(uint8_t bus = 1, uint8_t i2caddr = MPR121_I2CADDR_DEFAULT);
robert@501: 
robert@501: 	uint16_t filteredData(uint8_t t);
robert@501: 	uint16_t  baselineData(uint8_t t);
robert@501: 
robert@501: 	uint8_t readRegister8(uint8_t reg);
robert@501: 	uint16_t readRegister16(uint8_t reg);
robert@501: 	void writeRegister(uint8_t reg, uint8_t value);
robert@501: 	uint16_t touched(void);
robert@501:  
robert@501:  	void setThresholds(uint8_t touch, uint8_t release);
robert@501: 	
robert@501: 	int readI2C() { return 0; } // Unused
robert@501: 	
robert@501: private:
robert@501: 	int _i2c_address;
robert@501: };
robert@501: 
robert@501: 
robert@501: #endif /* I2CTK_H_ */