| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2008 by Rob Purchase |
| * |
| * 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 "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) |
| { |
| (void)cycles; |
| (void)start; |
| return false; |
| } |
| |
| bool __timer_register(void) |
| { |
| return false; |
| } |
| |
| void __timer_unregister(void) |
| { |
| } |
| |
| |
| /* Timer interrupt processing - all timers (inc. tick) have a single IRQ */ |
| |
| extern void (*tick_funcs[MAX_NUM_TICK_TASKS])(void); |
| |
| void TIMER0(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 */ |
| } |
| } |