File content as of revision 4:87b40e5986e7:

#include "touch.h"
#include "mbed.h"
#include "stdio.h"


TouchScreen::TouchScreen(PinName xp, PinName yp, PinName xm, PinName ym) {}


int TouchScreen::readTouch(PinName a, PinName i, PinName n, PinName m){
//int readTouch(PinName a, PinName i, PinName n, PinName m){
   
    /*DigitalOut _n(PTB1);
    _n = 1;
    DigitalOut _m(PTB0);
    _m = 0;
    wait_ms(10);
    AnalogIn   _a(PTB3);
    wait_ms(10);
    AnalogIn   _i(PTB2);
    wait_us(10);
    _n = 0;
    return (int)_a.read_u16();*/
    
    AnalogIn   _a(a);
    AnalogIn   _i(i);
    DigitalOut _n(n);
    DigitalOut _m(m);
    //uint16_t y1=1;
    //uint16_t y2=0;
    int y1=1;
    int y2=0;
    _n = 1;
    _m = 0;
    wait_us(50);
    //while(y1 != y2){
        y1 = _a.read_u16();
        wait_us(50);
        y2 = _a.read_u16();
        wait_us(50);
    //}
    _n=0;
    return (y1+y2)/2;
}



/*bool TouchScreen::isTouching(void){
    Point p = getPoint(p);
    if(p.z > PRESSURE)return 1;
    else return 0;
}*/

int map(float value, float fromSource, float toSource, float fromTarget, float toTarget){
        return (value - fromSource) / (toSource - fromSource) * (toTarget - fromTarget) + fromTarget;
}