nitro-engine/examples/other/error_handling/source/main.c

// SPDX-License-Identifier: CC0-1.0
//
// SPDX-FileContributor: Antonio Niño Díaz, 2008-2011, 2019, 2022
//
// This file is part of Nitro Engine

#include <NEMain.h>

// Don't forget to compile Nitro Engine with NE_DEBUG defined or this won't work

void Draw3DScene(void)
{
    // Let's generate some error messages...
    NE_LightOff(100);
    NE_CameraSetI(NULL,
                  1, 1, 1,
                  1, 1, 1,
                  1, 1, 1);
    NE_PolyFormat(100, 120, 0, 0, 0);
}

void error_handler(const char * text)
{
    // Simple handler. You could write this to a file instead, for example.
    printf(text);
}

int main(void)
{
    irqEnable(IRQ_HBLANK);
    irqSet(IRQ_VBLANK, NE_VBLFunc);
    irqSet(IRQ_HBLANK, NE_HBLFunc);

    NE_Init3D();
    // libnds uses VRAM_C for the text console, reserve A and B only
    NE_TextureSystemReset(0, 0, NE_VRAM_AB);
    // Init console in non-3D screen
    consoleDemoInit();

    // Set a custom error handler
    NE_DebugSetHandler(error_handler);

    // In order to use the default handler again it is needed to call
    // NE_DebugSetHandlerConsole(). After that, all messages will be printed
    // to the default console

    while (1)
    {
        NE_Process(Draw3DScene);
        NE_WaitForVBL(0);
    }

    return 0;
}