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Change the timer interrupt setup so that TIMER_FREQ is changed for HAVE_SCROLLWHEEL (which read the scrollwheel between tick tasks too) instead of the generated variable. No functional change.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21177 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2009-06-03 11:35:56 +00:00
parent 52a8e38806
commit d1b0ee9f04
2 changed files with 8 additions and 6 deletions
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5
firmware/target/arm/as3525/kernel-as3525.c
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@ -57,11 +57,6 @@ void tick_start(unsigned int interval_in_ms)
int prescale = 1; int prescale = 1;
int cycles = TIMER_FREQ / 1000 * interval_in_ms; int cycles = TIMER_FREQ / 1000 * interval_in_ms;
#ifdef HAVE_SCROLLWHEEL
/* let the timer interrupt twice as often for the scrollwheel polling */
cycles >>= 1;
#endif
while(cycles > 0x10000) while(cycles > 0x10000)
{ {
phi++; phi++;

9
firmware/target/arm/as3525/timer-target.h
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@ -25,7 +25,14 @@ bool __timer_set(long cycles, bool set);
bool __timer_register(void); bool __timer_register(void);
void __timer_unregister(void); void __timer_unregister(void);
#define TIMER_FREQ (24000000 / 16) #ifdef HAVE_SCROLLWHEEL
/* The scrollwheel is polled every 5 ms (the tick tasks still every 10ms) */
#define TIMER_DIV (16*2)
#else
#define TIMER_DIV (16)
#endif
#define TIMER_FREQ (24000000 / TIMER_DIV)
#define __TIMER_SET(cycles, set) \ #define __TIMER_SET(cycles, set) \
__timer_set(cycles, set) __timer_set(cycles, set)