ESP32-PaxCounter/src/irqhandler.cpp
2022-01-13 23:30:18 +01:00

116 lines
2.9 KiB
C++

#include "irqhandler.h"
// Local logging tag
static const char TAG[] = __FILE__;
TaskHandle_t irqHandlerTask = NULL;
// irq handler task, handles all our application level interrupts
void irqHandler(void *pvParameters) {
_ASSERT((uint32_t)pvParameters == 1); // FreeRTOS check
uint32_t irqSource;
// task remains in blocked state until it is notified by an irq
for (;;) {
xTaskNotifyWait(0x00, // Don't clear any bits on entry
ULONG_MAX, // Clear all bits on exit
&irqSource, // Receives the notification value
portMAX_DELAY); // wait forever
if (irqSource & UNMASK_IRQ) // interrupt handler to be enabled?
irqSource &= ~MASK_IRQ; // then clear irq mask flag
// else suppress processing if interrupt handler is disabled
// or time critical lmic jobs are pending in next 100ms
else if ((irqSource & MASK_IRQ)
#if (HAS_LORA)
|| os_queryTimeCriticalJobs(ms2osticks(100))
#endif
)
continue;
// button pressed?
#ifdef HAS_BUTTON
if (irqSource & BUTTON_IRQ)
readButton();
#endif
// display needs refresh?
#ifdef HAS_DISPLAY
if (irqSource & DISPLAY_IRQ)
dp_refresh();
#endif
// LED Matrix display needs refresh?
#ifdef HAS_MATRIX_DISPLAY
if (irqSource & MATRIX_DISPLAY_IRQ)
refreshTheMatrixDisplay();
#endif
#if (TIME_SYNC_INTERVAL)
// is time to be synced?
if (irqSource & TIMESYNC_IRQ) {
calibrateTime();
}
#endif
// BME sensor data to be read?
#if (HAS_BME)
if (irqSource & BME_IRQ)
bme_storedata(&bme_status);
#endif
// are cyclic tasks due?
if (irqSource & CYCLIC_IRQ)
doHousekeeping();
// do we have a power event?
#ifdef HAS_PMU
if (irqSource & PMU_IRQ)
AXP192_powerevent_IRQ();
#endif
// is time to send the payload?
if (irqSource & SENDCYCLE_IRQ) {
sendData();
// goto sleep if we have a sleep cycle
if (cfg.sleepcycle)
#ifdef HAS_BUTTON
enter_deepsleep(cfg.sleepcycle * 10, (gpio_num_t)HAS_BUTTON);
#else
enter_deepsleep(cfg.sleepcycle * 10);
#endif
}
} // for
} // irqHandler()
// timer triggered interrupt service routines
// they notify the irq handler task
void IRAM_ATTR doIRQ(int irq) {
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
xTaskNotifyFromISR(irqHandlerTask, irq, eSetBits, &xHigherPriorityTaskWoken);
if (xHigherPriorityTaskWoken)
portYIELD_FROM_ISR();
}
#ifdef HAS_DISPLAY
void IRAM_ATTR DisplayIRQ() { doIRQ(DISPLAY_IRQ); }
#endif
#ifdef HAS_MATRIX_DISPLAY
void IRAM_ATTR MatrixDisplayIRQ() { doIRQ(MATRIX_DISPLAY_IRQ); }
#endif
#ifdef HAS_BUTTON
void IRAM_ATTR ButtonIRQ() { doIRQ(BUTTON_IRQ); }
#endif
#ifdef HAS_PMU
void IRAM_ATTR PMUIRQ() { doIRQ(PMU_IRQ); }
#endif
void mask_user_IRQ() { xTaskNotify(irqHandlerTask, MASK_IRQ, eSetBits); }
void unmask_user_IRQ() { xTaskNotify(irqHandlerTask, UNMASK_IRQ, eSetBits); }