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Diffstat (limited to 'driver/timer.c')
-rw-r--r--driver/timer.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/driver/timer.c b/driver/timer.c
index 1a97ad8..0d9b11e 100644
--- a/driver/timer.c
+++ b/driver/timer.c
@@ -160,8 +160,8 @@ uint64_t timer_init()
{
uint64_t epoch_time=get_rtc_time();
- task_system_clock_start=epoch_time*100; // since pit ticks 100 times a second
- asm_pit_rate_50ms(); //tick at 100hz
+ task_system_clock_start=epoch_time*20; // clock ticks 20 times a second
+ asm_pit_rate_50ms(); //tick at 20hz
interrupt_register(INTERRUPT_PIT_TIMER,&timer_interrupt);
@@ -170,10 +170,10 @@ uint64_t timer_init()
uint64_t timer_get_ms()
{
- return (asm_pit_get_ticks()+task_system_clock_start)*50;
+ return (asm_pit_get_ticks()+task_system_clock_start)*50; // 50ms passed on each tick
}
uint64_t timer_get_uptime_ms()
{
- return asm_pit_get_ticks()*50;
+ return asm_pit_get_ticks()*50; // 50ms passed on each tick
}