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Gigabeat S: Get timer API working. metronome will work now.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19676 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2009-01-05 00:00:29 +00:00
parent 6d5823f964
commit e2876ee4e2
5 changed files with 166 additions and 10 deletions
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18
firmware/timer.c
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@ -35,6 +35,15 @@ static int base_prescale;
static long SHAREDBSS_ATTR cycles_new = 0;
#endif
#ifndef __TIMER_SET
/* Define these if not defined by target to make the #else cases compile
* even if the target doesn't have them implemented. */
#define __TIMER_SET(cycles, set) false
#define __TIMER_REGISTER(reg_prio, unregister_callback, cycles, \
int_prio, timer_callback) false
#define __TIMER_UNREGISTER(...)
#endif
/* interrupt handler */
#if CONFIG_CPU == SH7034
void IMIA4(void) __attribute__((interrupt_handler));
@ -245,10 +254,6 @@ static bool timer_set(long cycles, bool start)
cycles_new = cycles;
return true;
#elif (CONFIG_CPU == IMX31L)
/* TODO */
(void)cycles; (void)start;
return false;
#else
return __TIMER_SET(cycles, start);
#endif /* CONFIG_CPU */
@ -319,9 +324,6 @@ bool timer_register(int reg_prio, void (*unregister_callback)(void),
CGU_PERI |= CGU_TIMER1_CLOCK_ENABLE; /* enable peripheral */
VIC_INT_ENABLE |= INTERRUPT_TIMER1;
return true;
#elif CONFIG_CPU == IMX31L
/* TODO */
return false;
#else
return __TIMER_REGISTER(reg_prio, unregister_callback, cycles,
int_prio, timer_callback);
@ -359,7 +361,7 @@ void timer_unregister(void)
TIMER1_CONTROL &= 0x10; /* disable timer 1 (don't modify bit 4) */
VIC_INT_EN_CLEAR = INTERRUPT_TIMER1; /* disable interrupt */
CGU_PERI &= ~CGU_TIMER1_CLOCK_ENABLE; /* disable peripheral */
#elif CONFIG_CPU == S3C2440 || CONFIG_CPU == DM320
#else
__TIMER_UNREGISTER();
#endif
pfn_timer = NULL;