ESP32-PaxCounter/src/irqhandler.cpp
2019-08-30 18:54:53 +02:00

111 lines
2.9 KiB
C++

#include "irqhandler.h"
// Local logging tag
static const char TAG[] = __FILE__;
// irq handler task, handles all our application level interrupts
void irqHandler(void *pvParameters) {
configASSERT(((uint32_t)pvParameters) == 1); // FreeRTOS check
uint32_t InterruptStatus;
static bool mask_irq = false;
// 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
&InterruptStatus, // Receives the notification value
portMAX_DELAY); // wait forever
if (InterruptStatus & UNMASK_IRQ) // interrupt handler to be enabled?
mask_irq = false;
else if (mask_irq) // suppress processing if interrupt handler is disabled
continue;
else if (InterruptStatus & MASK_IRQ) { // interrupt handler to be disabled?
mask_irq = true;
continue;
}
// button pressed?
#ifdef HAS_BUTTON
if (InterruptStatus & BUTTON_IRQ)
readButton();
#endif
// display needs refresh?
#ifdef HAS_DISPLAY
if (InterruptStatus & DISPLAY_IRQ)
refreshTheDisplay();
#endif
// LED Matrix display needs refresh?
#ifdef HAS_MATRIX_DISPLAY
if (InterruptStatus & MATRIX_DISPLAY_IRQ)
refreshTheMatrixDisplay();
#endif
// BME sensor data to be read?
#if (HAS_BME)
if (InterruptStatus & BME_IRQ)
bme_storedata(&bme_status);
#endif
// are cyclic tasks due?
if (InterruptStatus & CYCLIC_IRQ)
doHousekeeping();
#if (TIME_SYNC_INTERVAL)
// is time to be synced?
if (InterruptStatus & TIMESYNC_IRQ) {
now(); // ensure sysTime is recent
calibrateTime();
}
#endif
// is time to send the payload?
if (InterruptStatus & SENDCYCLE_IRQ)
sendData();
}
}
// esp32 hardware timer triggered interrupt service routines
// they notify the irq handler task
#ifdef HAS_DISPLAY
void IRAM_ATTR DisplayIRQ() {
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
xTaskNotifyFromISR(irqHandlerTask, DISPLAY_IRQ, eSetBits,
&xHigherPriorityTaskWoken);
if (xHigherPriorityTaskWoken)
portYIELD_FROM_ISR();
}
#endif
#ifdef HAS_MATRIX_DISPLAY
void IRAM_ATTR MatrixDisplayIRQ() {
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
xTaskNotifyFromISR(irqHandlerTask, MATRIX_DISPLAY_IRQ, eSetBits,
&xHigherPriorityTaskWoken);
if (xHigherPriorityTaskWoken)
portYIELD_FROM_ISR();
}
#endif
#ifdef HAS_BUTTON
void IRAM_ATTR ButtonIRQ() {
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
xTaskNotifyFromISR(irqHandlerTask, BUTTON_IRQ, eSetBits,
&xHigherPriorityTaskWoken);
if (xHigherPriorityTaskWoken)
portYIELD_FROM_ISR();
}
#endif
void mask_user_IRQ() { xTaskNotify(irqHandlerTask, MASK_IRQ, eSetBits); }
void unmask_user_IRQ() { xTaskNotify(irqHandlerTask, UNMASK_IRQ, eSetBits); }