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Add interrupt handler for iPod. Add timer tick support. Remove temporary thread sleep solution. Remove temporary iPod current_tick solution.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8224 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2005-12-12 13:53:22 +00:00
parent 07a2ad2a22
commit 544b03cf9a
5 changed files with 53 additions and 17 deletions
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35
firmware/kernel.c
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@ -25,9 +25,7 @@
#include "system.h"
#include "panic.h"
#if (CONFIG_CPU != PP5020)
long current_tick = 0;
#endif
static void (*tick_funcs[MAX_NUM_TICK_TASKS])(void);
@ -319,9 +317,36 @@ void tick_start(unsigned int interval_in_ms)
#elif CONFIG_CPU == PP5020
void tick_start(unsigned int interval_in_ms) {
/* TODO: Implement tick_start */
(void)interval_in_ms;
#define USECS_PER_INT 0x2710
void TIMER1(void)
{
int i;
PP5020_TIMER1_ACK;
/* 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++;
wake_up_thread();
}
void tick_start(unsigned int interval_in_ms)
{
/* TODO: use interval_in_ms to set timer periode */
(void)interval_in_ms;
PP5020_TIMER1 = 0x0;
PP5020_TIMER1_ACK;
/* enable timer, period, trigger value 0x2710 -> 100Hz */
PP5020_TIMER1 = 0xc0000000 | USECS_PER_INT;
/* unmask interrupt source */
PP5020_CPU_INT_EN = PP5020_TIMER1_MASK;
}
#endif