161f4465db
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29228 a1c6a512-1295-4272-9138-f99709370657
56 lines
1.8 KiB
C
56 lines
1.8 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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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void tick_start(unsigned int interval_in_ms)
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{
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IO_CLK_MOD2 |= CLK_MOD2_TMR1; /* enable TIMER1 clock */
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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 - 1;
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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 |= INTR_EINT0_TMR1;
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}
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void TIMER1(void) __attribute__ ((section(".icode")));
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void TIMER1(void)
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{
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IO_INTC_IRQ0 = INTR_IRQ0_TMR1;
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/* Run through the list of tick tasks */
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call_tick_tasks();
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}
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