57 lines
2.0 KiB
C
57 lines
2.0 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) 2005 Jens Arnold
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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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#ifndef __TIMER_H__
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#define __TIMER_H__
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#include <stdbool.h>
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#include "config.h"
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#include "cpu.h"
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#if (CONFIG_PLATFORM & PLATFORM_HOSTED)
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#define TIMER_FREQ 1000000
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#endif
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/* NOTE: if unreg cb is defined you are in charge of calling timer_unregister() */
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bool timer_register(int reg_prio, void (*unregister_callback)(void),
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long cycles, void (*timer_callback)(void)
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IF_COP(,int core));
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bool timer_set_period(long cycles);
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#ifdef CPU_COLDFIRE
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void timers_adjust_prescale(int multiplier, bool enable_irq);
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#endif
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/* NOTE: unregister callbacks are not called by timer_unregister()
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* the unregister_callback only gets called when your timer gets
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* overwritten by a lower priority timer using timer_register() */
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void timer_unregister(void);
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/* target-specific interface */
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bool timer_set(long cycles, bool start);
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bool timer_start(IF_COP_VOID(int core));
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void timer_stop(void);
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/* For target-specific interface use */
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extern void (*pfn_timer)(void);
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extern void (*pfn_unregister)(void);
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#endif /* __TIMER_H__ */
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