projets et TR -iut-cergy / Mbed 2 deprecated IUT-BED2021

projets de S3 s4 2021

Dependencies:   mbed TFT_fonts SPI_TFT_ILI9341

touch.cpp

Committer:
ecowboy
Date:
2019-01-07
Revision:
1:33506fcfdd95
Parent:
0:42ec9a44bc24
Child:
2:fe018965e46c

File content as of revision 1:33506fcfdd95:

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

TouchScreen::TouchScreen(PinName xp, PinName yp, PinName xm, PinName ym) {
    PinName _yp = yp;
    PinName _xm = xm;
    PinName _ym = ym;
    PinName _xp = xp;
}


int TouchScreen::readTouch(PinName n, PinName m, PinName a, PinName i){
    
    DigitalOut _n(n);
    _n = 1;
    DigitalOut _m(m);
    _m = 0;
    AnalogIn   _a(a);
    AnalogIn   _i(i);
    wait_us(10);
    return _a.read_u16();
}



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

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