/* LPDS wake SW interrupt handler */
void wake_interrupt_handler()
{
i32 wake_source;
/* Identify the wakeup source */
wake_source = MAP_PRCMLPDSWakeupCauseGet();
switch(wake_source) {
case PRCM_LPDS_HOST_IRQ:
break;
case PRCM_LPDS_GPIO:
/* Invoke the callback with the last GPIO num
used to enter LPDS (S3) */
gpio_wake_interrupt_handler(
&cc_pm_ctrl.spl_gpio_wakefrom_lpds);
break;
case PRCM_LPDS_TIMER:
break;
}
return;
}
STATIC void PRCMInterruptHandler (void) {
// reading the interrupt status automatically clears the interrupt
if (PRCM_INT_SLOW_CLK_CTR == MAP_PRCMIntStatus()) {
// reconfigure it again (if repeat is true)
pyb_rtc_repeat_alarm (pybsleep_data.rtc_obj);
pybsleep_data.rtc_obj->irq_flags = PYB_RTC_ALARM0;
// need to check if irq's are enabled from the user point of view
if (pybsleep_data.rtc_obj->irq_enabled && (pybsleep_data.rtc_obj->pwrmode & PYB_PWR_MODE_ACTIVE)) {
mp_irq_handler(pybsleep_data.rtc_obj->irq_obj);
}
pybsleep_data.rtc_obj->irq_flags = 0;
} else {
// interrupt has been triggered while waking up from LPDS
switch (MAP_PRCMLPDSWakeupCauseGet()) {
case PRCM_LPDS_HOST_IRQ:
pybsleep_data.wlan_obj->irq_flags = MODWLAN_WIFI_EVENT_ANY;
mp_irq_handler(pybsleep_data.wlan_obj->irq_obj);
pybsleep_wake_reason = PYB_SLP_WAKED_BY_WLAN;
pybsleep_data.wlan_obj->irq_flags = 0;
break;
case PRCM_LPDS_GPIO:
mp_irq_handler(pybsleep_data.gpio_lpds_wake_cb);
pybsleep_wake_reason = PYB_SLP_WAKED_BY_GPIO;
break;
case PRCM_LPDS_TIMER:
// reconfigure it again if repeat is true
pyb_rtc_repeat_alarm (pybsleep_data.rtc_obj);
pybsleep_data.rtc_obj->irq_flags = PYB_RTC_ALARM0;
// next one clears the wake cause flag
MAP_PRCMLPDSWakeupSourceDisable(PRCM_LPDS_TIMER);
mp_irq_handler(pybsleep_data.rtc_obj->irq_obj);
pybsleep_data.rtc_obj->irq_flags = 0;
pybsleep_wake_reason = PYB_SLP_WAKED_BY_RTC;
break;
default:
break;
}
}
}
