view projects/d-box/I2c_TouchKey.h @ 45:579c86316008 newapi

Major API overhaul. Moved to a single data structure for handling render functions. Functionally, generally similar except for scheduling within PRU loop function, which now uses interrupts from the PRU rather than polling. This requires an updated kernel.

/*
 * I2c.h
 *
 *  Created on: Oct 14, 2013
 *      Author: Victor Zappi
 */

#ifndef I2CTK_H_
#define I2CTK_H_

#include "../../include/I2c.h"

// #define NUM_BYTES_OLD 9
// #define NUM_BYTES_NEW 13

#define MAX_SENSOR_BYTES 20

enum {
	kSensorTypeTouchKey = 0,
	kSensorTypeDBox1 = 1,
	kSensorTypeDBox2 = 2
};

static const int kSensorBytes[3] = {9, 13, 20};

class I2c_TouchKey : public I2c
{
private:
	bool isReady;
	int sensorType;
	int numBytesToRead;

	// read NUM_BYTES bytes, which have to be properly parsed
	char dataBuffer[MAX_SENSOR_BYTES];
	int bytesRead;

	int rawSliderPosition[5];
	int rawSliderPositionH;

	int touchCount;
	float sliderSize[5];
	float sliderPosition[5];
	float sliderPositionH;


public:
	int initTouchKey(int sensorTypeToUse = kSensorTypeTouchKey);
	int readI2C();
	int getTouchCount();
	float * getSlidersize();
	float * getSliderPosition();
	float getSliderPositionH();

	bool ready() { return isReady; }

	I2c_TouchKey();
	~I2c_TouchKey();

};

inline int I2c_TouchKey::getTouchCount()
{
	return touchCount;
}

inline float * I2c_TouchKey::getSlidersize()
{
	return sliderSize;
}

inline float * I2c_TouchKey::getSliderPosition()
{
	return sliderPosition;
}

inline float I2c_TouchKey::getSliderPositionH()
{
	return sliderPositionH;
}





#endif /* I2CTK_H_ */