/* Systick interrupt handler */
void SysTick_Handler(void) {
ticks++;
static int warmup = 0;
static uint16_t sdch_state = 0;
static uint16_t reset_state = 0;
sdch_state = (sdch_state << 1) | SDCARD_DETECT | 0xe000;
if(warmup > WARMUP_TICKS && ((sdch_state == 0xf000) || (sdch_state == 0xefff))) {
sd_changed = 1;
}
reset_state = (reset_state << 1) | get_snes_reset() | 0xe000;
if((reset_state == 0xf000) || (reset_state == 0xefff)) {
reset_pressed = (reset_state == 0xf000);
reset_changed = 1;
}
led_error();
sdn_changed();
SysTick_Hook();
if(warmup <= WARMUP_TICKS) warmup++;
}
void sys_tick_handler(void)
{
uint32_t next_timer = 0;
volatile uint32_t reload = systick_get_reload();
uint32_t this_timeslice;
SysTick_Hook();
jiffies+= clock_interval;
_n_int++;
next_timer = ktimers_check();
#ifdef CONFIG_LOWPOWER
if (next_timer < 0 || next_timer > 1000){
next_timer = 1000; /* Wake up every second if timer is too long, or if no timers */
}
/* Checking deep sleep */
if (next_timer >= 1000 && scheduler_can_sleep()) {
systick_interrupt_disable();
cputimer_start(next_timer);
return;
}
#ifdef CONFIG_TICKLESS
this_timeslice = task_timeslice();
if (_sched_active && (this_timeslice == 0) && (!task_running())) {
schedule();
} else {
systick_interrupt_disable();
cputimer_start(this_timeslice);
}
return;
#endif
#endif
if (_sched_active && ((task_timeslice() == 0) || (!task_running()))) {
schedule();
(void)next_timer;
}
}
