gos_raw32.c

/*
 * This file is subject to the terms of the GFX License. If a copy of
 * the license was not distributed with this file, you can obtain one at:
 *
 *              http://ugfx.io/license.html
 */
 
// We need to include stdio.h below for Win32 emulation. Turn off GFILE_NEED_STDIO just for this file to prevent conflicts
#define GFILE_NEED_STDIO_MUST_BE_OFF
 
#include "../../gfx.h"
 
#if GFX_USE_OS_RAW32
 
void _gosHeapInit(void);
void _gosThreadsInit(void);
 
/*********************************************************
 * Initialise
 *********************************************************/
 
void _gosInit(void)
{
    /* No initialization of the operating system itself is needed as there isn't one.
     * On the other hand the C runtime should still already be initialized before
     * getting here!
     */
    #if !GFX_OS_INIT_NO_WARNING
        #if GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_DIRECT
            #warning "GOS: Raw32 - Make sure you initialize your hardware and the C runtime before calling gfxInit() in your application!"
        #elif GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_MACRO
            COMPILER_WARNING("GOS: Raw32 - Make sure you initialize your hardware and the C runtime before calling gfxInit() in your application!")
        #endif
    #endif
 
    // Set up the heap allocator
    _gosHeapInit();
 
    // Start the scheduler
    _gosThreadsInit();
}
 
void _gosPostInit(void)
{
}
 
void _gosDeinit(void)
{
    /* ToDo */
}
 
/*********************************************************
 * For Win32 emulation - automatically add the tick functions
 * the user would normally have to provide for bare metal.
 *********************************************************/
 
#if defined(WIN32)
    // Win32 nasty stuff - we have conflicting definitions for Red, Green & Blue
    #ifndef _WIN32_WINNT
        #define _WIN32_WINNT 0x0501         // Windows XP and up
    #endif
    #if GFX_COMPAT_V2 && GFX_COMPAT_OLDCOLORS
        #undef Red
        #undef Green
        #undef Blue
    #endif
    #define WIN32_LEAN_AND_MEAN
    #include <windows.h>
    #undef WIN32_LEAN_AND_MEAN
    #if GFX_COMPAT_V2 && GFX_COMPAT_OLDCOLORS
        #define Red         GFX_RED
        #define Green       GFX_GREEN
        #define Blue        GFX_BLUE
    #endif
 
    #include <stdio.h>
    gTicks gfxSystemTicks(void)                     { return GetTickCount(); }
    gTicks gfxMillisecondsToTicks(gDelay ms)    { return ms; }
#endif
 
/*********************************************************
 * Exit everything functions
 *********************************************************/
 
void gfxHalt(const char *msg) {
    #if defined(WIN32)
        fprintf(stderr, "%s\n", msg);
        ExitProcess(1);
    #else
        volatile gU32   dummy;
        (void)              msg;
 
        while(1)
            dummy++;
    #endif
}
 
void gfxExit(void) {
    #if defined(WIN32)
        ExitProcess(0);
    #else
        volatile gU32   dummy;
 
        while(1)
            dummy++;
    #endif
}
 
#endif /* GFX_USE_OS_RAW32 */