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.org/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
  #undef Red
  #undef Green
  #undef Blue
  #define WIN32_LEAN_AND_MEAN
  #include <windows.h>
  #undef WIN32_LEAN_AND_MEAN
  #define Blue      HTML2COLOR(0x0000FF)
  #define Red       HTML2COLOR(0xFF0000)
  #define Green     HTML2COLOR(0x008000)

  #include <stdio.h>
  systemticks_t gfxSystemTicks(void)            { return GetTickCount(); }
  systemticks_t gfxMillisecondsToTicks(delaytime_t ms)  { return ms; }
#endif

/*********************************************************
 * Exit everything functions
 *********************************************************/

void gfxHalt(const char *msg) {
  #if defined(WIN32)
    fprintf(stderr, "%s\n", msg);
    ExitProcess(1);
  #else
    volatile uint32_t dummy;
    (void)        msg;

    while(1)
      dummy++;
  #endif
}

void gfxExit(void) {
  #if defined(WIN32)
    ExitProcess(0);
  #else
    volatile uint32_t dummy;

    while(1)
      dummy++;
  #endif
}

#endif /* GFX_USE_OS_RAW32 */