rockbox/firmware/target/arm/tcc77x/timer-tcc77x.c

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Rob Purchase
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "cpu.h"
#include "system.h"
#include "timer.h"
#include "logf.h"
/* Use the TC32 counter [sourced by Xin:12Mhz] for this timer, as it's the
only one that allows a 32-bit counter (Timer0-5 are 16/20 bit only). */
bool __timer_set(long cycles, bool start)
{
#warning function not implemented
(void)cycles;
(void)start;
return false;
}
bool __timer_register(void)
{
#warning function not implemented
return false;
}
void __timer_unregister(void)
{
#warning function not implemented
}
/* Timer interrupt processing - all timers (inc. tick) have a single IRQ */
extern void (*tick_funcs[MAX_NUM_TICK_TASKS])(void);
void TIMER(void)
{
if (TIREQ & TF0) /* Timer0 reached ref value */
{
int i;
/* Run through the list of tick tasks */
for(i = 0; i < MAX_NUM_TICK_TASKS; i++)
{
if(tick_funcs[i])
{
tick_funcs[i]();
}
}
current_tick++;
/* reset Timer 0 IRQ & ref flags */
TIREQ |= TI0 | TF0;
}
if (TC32IRQ & (1<<3)) /* end of TC32 prescale */
{
/* dispatch timer */
}
}