input/touch-screen/source/main.c

/*
    Touch Screen example made by Aurelio Mannara for libctru
    Please refer to https://github.com/devkitPro/libctru/blob/master/libctru/include/3ds/services/hid.h for more information
    This code was modified for the last time on: 12/13/2014 2:30 UTC+1
 
    This wouldn't be possible without the amazing work done by:
    -Smealum
    -fincs
    -WinterMute
    -yellows8
    -plutoo
    -mtheall
    -Many others who worked on 3DS and I'm surely forgetting about
*/
 
#include <3ds.h>
#include <stdio.h>
 
int main(int argc, char **argv)
{
    gfxInitDefault();
 
    //Initialize console on top screen. Using NULL as the second argument tells the console library to use the internal console structure as current one
    consoleInit(GFX_TOP, NULL);
 
    printf("\x1b[0;0HPress Start to exit.");
    printf("\x1b[1;0HTouch Screen position:");
 
    // Main loop
    while (aptMainLoop())
    {
        //Scan all the inputs. This should be done once for each frame
        hidScanInput();
 
        //hidKeysDown returns information about which buttons have been just pressed (and they weren't in the previous frame)
        u32 kDown = hidKeysDown();
 
        if (kDown & KEY_START) break; // break in order to return to hbmenu
 
        touchPosition touch;
 
        //Read the touch screen coordinates
        hidTouchRead(&touch);
 
        //Print the touch screen coordinates
        printf("\x1b[2;0H%03d; %03d", touch.px, touch.py);
 
 
        // Flush and swap framebuffers
        gfxFlushBuffers();
        gfxSwapBuffers();
 
        //Wait for VBlank
        gspWaitForVBlank();
    }
 
    // Exit services
    gfxExit();
    return 0;
}