AdafruitFT6206TouchScreen.h

 
#ifndef AdafruitFT6206TouchScreen_h
#define AdafruitFT6206TouchScreen_h
 
//Only create adapter if Adafruit's FT6206 library is already included.
#ifdef ADAFRUIT_FT6206_LIBRARY
 
#include <Arduino.h>
 
 
#include "TouchScreenAdapter.h"
#include <Wire.h>      // this is needed for FT6206
 
 
class AdafruitFT6206TouchScreen : public TouchScreenAdapter {
 
public:
 
    AdafruitFT6206TouchScreen(uint8_t thresh = FT62XX_DEFAULT_THRESHOLD,
             TwoWire *theWire = &Wire, uint8_t i2c_addr = FT62XX_DEFAULT_ADDR) { 
        this->thresh = thresh;
        this->wire = theWire;
        this->i2c_addr = i2c_addr;
    }
 
    bool begin(void) {
        return ctp.begin(thresh, wire, i2c_addr);
    }
 
 
    TouchScreenAdapter::TouchPoint getTouchPoint() {
        TS_Point tsPoint = ctp.getPoint();
        TouchScreenAdapter::TouchPoint touchPoint;
        uint16_t x = rotation % 2 ? tsPoint.y : tsPoint.x;
        uint16_t y = rotation % 2 ? tsPoint.x : tsPoint.y;
        // Would you believe it?
        // The FT6206 report both X and Y backwards!
        touchPoint.x = ( rotation == 2 || rotation == 3 ) ? x : displayWidth - x;
        touchPoint.y = ( rotation == 1 || rotation == 2 ) ? y : displayHeight - y;
        touchPoint.z = tsPoint.z;
        return touchPoint;
    }
 
    TouchScreenAdapter::TouchPoint getTouchPointRaw() {
        TS_Point p = ctp.getPoint();
        return TouchScreenAdapter::TouchPoint(p.x, p.y, p.z);
    }
 
 
 
private:
 
    Adafruit_FT6206 ctp = Adafruit_FT6206();
    uint8_t thresh = FT62XX_DEFAULT_THRESHOLD;
    TwoWire *wire = &Wire;
    uint8_t i2c_addr = FT62XX_DEFAULT_ADDR;
 
 
 
};
 
 
 
#endif
#endif