3d0cee8abb
- Refactor the program startup. main() is now in main.c like on target, and the implicit application thread will now act as our main thread (previously a separate one was created for this in thread initialization). This is part of Rockbox as an application and is the first step to make an application port from the uisimulator. In a further step the sim bits from the sdl build will be separated out. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26065 a1c6a512-1295-4272-9138-f99709370657
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id: timer.h 13806 2007-07-06 21:36:32Z jethead71 $
|
|
*
|
|
* Copyright (C) 2005 Kévin Ferrare
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#include "timer.h"
|
|
#include <SDL_timer.h>
|
|
|
|
static int timer_prio = -1;
|
|
void (*global_timer_callback)(void);
|
|
SDL_TimerID timerId;
|
|
|
|
Uint32 SDL_timer_callback(Uint32 interval, void *param){
|
|
(void)param;
|
|
global_timer_callback();
|
|
return(interval);
|
|
}
|
|
|
|
#define cycles_to_miliseconds(cycles) \
|
|
((int)((1000*cycles)/TIMER_FREQ))
|
|
|
|
bool timer_register(int reg_prio, void (*unregister_callback)(void),
|
|
long cycles, void (*timer_callback)(void))
|
|
{
|
|
(void)unregister_callback;
|
|
if (reg_prio <= timer_prio || cycles == 0)
|
|
return false;
|
|
timer_prio=reg_prio;
|
|
global_timer_callback=timer_callback;
|
|
timerId=SDL_AddTimer(cycles_to_miliseconds(cycles), SDL_timer_callback, 0);
|
|
return true;
|
|
}
|
|
|
|
bool timer_set_period(long cycles)
|
|
{
|
|
SDL_RemoveTimer (timerId);
|
|
timerId=SDL_AddTimer(cycles_to_miliseconds(cycles), SDL_timer_callback, 0);
|
|
return true;
|
|
}
|
|
|
|
void timer_unregister(void)
|
|
{
|
|
SDL_RemoveTimer (timerId);
|
|
timer_prio = -1;
|
|
}
|