Disable IRAM ISRs and functions by default

libraries/ESP32/examples/GPIO/FunctionalInterrupt/FunctionalInterrupt.ino

@@ -15,7 +15,7 @@ public:
 		detachInterrupt(PIN);
 	}
 
-	void IRAM_ATTR isr() {
+	void ARDUINO_ISR_ATTR isr() {
 		numberKeyPresses += 1;
 		pressed = true;
 	}

libraries/ESP32/examples/GPIO/GPIOInterrupt/GPIOInterrupt.ino

@@ -9,13 +9,13 @@ struct Button {
 Button button1 = {23, 0, false};
 Button button2 = {18, 0, false};
 
-void IRAM_ATTR isr(void* arg) {
+void ARDUINO_ISR_ATTR isr(void* arg) {
     Button* s = static_cast<Button*>(arg);
     s->numberKeyPresses += 1;
     s->pressed = true;
 }
 
-void IRAM_ATTR isr() {
+void ARDUINO_ISR_ATTR isr() {
     button2.numberKeyPresses += 1;
     button2.pressed = true;
 }

libraries/ESP32/examples/Timer/RepeatTimer/RepeatTimer.ino

@@ -18,7 +18,7 @@ portMUX_TYPE timerMux = portMUX_INITIALIZER_UNLOCKED;
 volatile uint32_t isrCounter = 0;
 volatile uint32_t lastIsrAt = 0;
 
-void IRAM_ATTR onTimer(){
+void ARDUINO_ISR_ATTR onTimer(){
   // Increment the counter and set the time of ISR
   portENTER_CRITICAL_ISR(&timerMux);
   isrCounter++;

libraries/ESP32/examples/Timer/WatchdogTimer/WatchdogTimer.ino

@@ -4,7 +4,7 @@ const int button = 0;         //gpio to use to trigger delay
 const int wdtTimeout = 3000;  //time in ms to trigger the watchdog
 hw_timer_t *timer = NULL;
 
-void IRAM_ATTR resetModule() {
+void ARDUINO_ISR_ATTR resetModule() {
   ets_printf("reboot\n");
   esp_restart();
 }