Function app2_main

samples/Basic_Dual_Core/app/application.cpp:31–60

Code to run on second CPU

// Code to run on second CPU
void IRAM_ATTR app2_main()
{
	static unsigned count;

	// We're going to toggle an IO pin very fast to evaluate jitter
	pinMode(outputPin, OUTPUT);

	// Using a polled timer has virtually zero overhead as it accesses timing hardware directly
	PeriodicFastUs timer(timerInterval);

	for(;;) {
		if(!timer.expired()) {
			continue;
		}

		// NB. Can use SDK GPIO calls or direct hardware access if required
		digitalWrite(outputPin, nextOutputState);
		nextOutputState = !nextOutputState;

		if(count % countsPerSecond == 0) {
			System.queueCallback(handleNotification, count);

			debug_i("TICK");

			// ESP32: This is required if CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1=y
			// WDT.alive();
		}
		++count;
	}
}

} // namespace