83 lines
2 KiB
C
83 lines
2 KiB
C
|
/***************************************************************************
|
||
|
|
* __________ __ ___.
|
||
|
|
* 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 */
|
||
|
|
}
|
||
|
|
|
||
|
|
CREQ |= TIMER_IRQ_MASK; /* clear IRQ */
|
||
|
|
}
|