Vlad Craciun / SSD1289_TouchScreen

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TouchPanel.h

Committer:
vcraciun
Date:
2013-09-14
Revision:
0:55a3f0eda74d
Child:
1:e7ae315a1ceb

File content as of revision 0:55a3f0eda74d:

#ifndef __TOUCH_PANEL__
#define __TOUCH_PANEL__

#include "mbed.h"
#include "ssd1289.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct POINT 
{
   uint16_t x;
   uint16_t y;
}Coordinate;

typedef struct Matrix 
{                       
    long double An,Bn,Cn,Dn,En,Fn,Divider;
} Matrix ;

/* Private variables ---------------------------------------------------------*/
extern Coordinate ScreenSample[3];
extern Coordinate DisplaySample[3];
extern Matrix matrix ;
extern Coordinate  display ;

/* Private define ------------------------------------------------------------*/

#define CHX     0x90
#define CHY     0xD0

#define THRESHOLD 2

class Touch
{
    public:
        Touch(SSD1289_LCD *lcd,SPI *spi, DigitalOut *cs, DigitalIn *irq);
        void InitializeTouch();
        int RD_AD(void);
        int Read_X(void);
        int Read_Y(void);
        void TP_GetAdXY(int *x,int *y);
        void TP_DrawPoint(int Xpos,int Ypos);
        void DrawCross(int Xpos,int Ypos);
        Coordinate *Read_Ads7846(void);
        bool setCalibrationMatrix( Coordinate * displayPtr, Coordinate * screenPtr, Matrix * matrixPtr);
        void TouchPanel_Calibrate(void);
        
        
    private:
        SPI *_spi;
        DigitalOut *_cs;
        DigitalIn *_irq;
        SSD1289_LCD *_lcd;
};


#ifdef __cplusplus
}
#endif


#endif