5db6b51759
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15510 a1c6a512-1295-4272-9138-f99709370657
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 by Karl Kurbjun
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "system.h"
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#include "kernel.h"
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#include "timer.h"
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#include "thread.h"
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extern void (*tick_funcs[MAX_NUM_TICK_TASKS])(void);
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void tick_start(unsigned int interval_in_ms)
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{
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IO_TIMER1_TMMD = CONFIG_TIMER1_TMMD_STOP;
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/* Setup the Prescalar (Divide by 10)
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* Based on linux/include/asm-arm/arch-integrator/timex.h
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*/
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IO_TIMER1_TMPRSCL = 0x0009;
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/* Setup the Divisor */
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IO_TIMER1_TMDIV = (TIMER_FREQ / (10*1000))*interval_in_ms;
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/* Turn Timer1 to Free Run mode */
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IO_TIMER1_TMMD = CONFIG_TIMER1_TMMD_FREE_RUN;
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/* Enable the interrupt */
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IO_INTC_EINT0 |= 1<<IRQ_TIMER1;
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}
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void TIMER1(void)
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{
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int i;
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/* Run through the list of tick tasks */
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for(i = 0; i < MAX_NUM_TICK_TASKS; i++)
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{
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if(tick_funcs[i])
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{
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tick_funcs[i]();
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}
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}
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current_tick++;
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IO_INTC_IRQ0 = 1<<IRQ_TIMER1;
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}
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