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41 lines
1.2 KiB
41 lines
1.2 KiB
void settimer() {
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/* LED pin */
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//int led = 14;
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/* LED state */
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//volatile byte state = LOW;
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// Use 1st timer of 4 (counted from zero).
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// Set 80 divider for prescaler (see ESP32 Technical Reference Manual for more
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// info).
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timer = timerBegin(2, 80, true);
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/* Attach onTimer function to our timer */
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// timerAttachInterrupt(timer, &onTimer, true);
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timerAttachInterrupt(timer, &onTimer, true);
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/* Set alarm to call onTimer function every second 1 tick is 1us
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=> 1 second is 1000000us */
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/* Repeat the alarm (third parameter) */
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timerAlarmWrite(timer, 5000000, true);
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/* Start an alarm */
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timerAlarmEnable(timer);
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// Serial.println("start timer");
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}
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void IRAM_ATTR onTimer()
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{
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EpochTime=EpochTime+5;
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esp_task_wdt_reset();//reset WDT
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//Serial.print("EpochTime=");
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//Serial.println(EpochTime);
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// Increment the counter and set the time of ISR
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// portENTER_CRITICAL_ISR(&timerMux);
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// isrCounter++;
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// lastIsrAt = millis();
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// portEXIT_CRITICAL_ISR(&timerMux);
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// Give a semaphore that we can check in the loop
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// xSemaphoreGiveFromISR(timerSemaphore, NULL);
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// It is safe to use digitalRead/Write here if you want to toggle an output
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}
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