Function timerISR

examples/Scheduler_example30_THREAD_SAFE/src/main.cpp:176–184

* Timer ISR - adjusts blink rate using thread-safe requestAction */

 * Timer ISR - adjusts blink rate using thread-safe requestAction
 */
void IRAM_ATTR timerISR() {
  // Change the blink interval from ISR (thread-safe)
  static uint32_t nextInterval = 1000;

  ts.requestAction(&tBlink, TASK_REQUEST_SETINTERVAL, nextInterval, 0, 0, 0, 0);

  // Alternate between fast and slow
  nextInterval = (nextInterval == 1000) ? 200 : 1000;
}

// ============================================
// Worker Thread