удалила лишнее, протестировала

libraries/IRremote/examples/ReceiverTimingAnalysis/ReceiverTimingAnalysis.ino

@@ -34,7 +34,6 @@
 #include <Arduino.h>
 
 #define IR_RECEIVE_PIN    2
-//#define IR_RECEIVE_PIN    3
 
 /*
  * Helper macro for getting a macro definition as string
@@ -42,36 +41,17 @@
 #define STR_HELPER(x) #x
 #define STR(x) STR_HELPER(x)
 
-#if !(defined(EICRA) && defined(EIFR) && defined(EIMSK))
 void measureTimingISR(void);
-#endif
 
 void setup() {
     pinMode(LED_BUILTIN, OUTPUT);
-    Serial.begin(115200);
+    Serial.begin(9600);
     while (!Serial)
         ; // Wait for Serial to become available. Is optimized away for some cores.
 
-#if defined(__AVR_ATmega32U4__) || defined(SERIAL_PORT_USBVIRTUAL) || defined(SERIAL_USB) /*stm32duino*/|| defined(USBCON) /*STM32_stm32*/ \
-    || defined(SERIALUSB_PID)  || defined(ARDUINO_ARCH_RP2040) || defined(ARDUINO_attiny3217)
-    delay(4000); // To be able to connect Serial monitor after reset or power up and before first print out. Do not wait for an attached Serial Monitor!
-#endif
     // Just to know which program is running on my Arduino
     Serial.println(F("START " __FILE__ " from " __DATE__));
-
-#if defined(EICRA) && defined(EIFR) && defined(EIMSK)
-#  if (IR_RECEIVE_PIN == 2)
-    EICRA |= _BV(ISC00);  // interrupt on any logical change
-    EIFR |= _BV(INTF0);     // clear interrupt bit
-    EIMSK |= _BV(INT0);     // enable interrupt on next change
-#  elif (IR_RECEIVE_PIN == 3)
-    EICRA |= _BV(ISC10);    // enable interrupt on pin3 on both edges for ATmega328
-    EIFR |= _BV(INTF1);     // clear interrupt bit
-    EIMSK |= _BV(INT1);     // enable interrupt on next change
-#  endif
-#else
     attachInterrupt(digitalPinToInterrupt(IR_RECEIVE_PIN), measureTimingISR, CHANGE);
-#endif
     Serial.println(F("Ready to analyze NEC IR signal at pin " STR(IR_RECEIVE_PIN)));
     Serial.println();
 }
@@ -149,13 +129,9 @@ void loop() {
         /*
          * This check enables statistics for longer protocols like Kaseikyo/Panasonics
          */
-#if !defined(ARDUINO_ARCH_MBED)
         noInterrupts();
-#endif
         uint32_t tLastMicros = LastMicros;
-#if !defined(ARDUINO_ARCH_MBED)
         interrupts();
-#endif
         uint32_t tMicrosDelta = micros() - tLastMicros;
 
         if (tMicrosDelta > 10000) {
@@ -189,19 +165,7 @@ void loop() {
  * The interrupt handler.
  * Just add to the appropriate timing structure.
  */
-#if defined(ESP8266) || defined(ESP32)
-void IRAM_ATTR measureTimingISR()
-#else
-#  if defined(EICRA) && defined(EIFR) && defined(EIMSK)
-#    if (IR_RECEIVE_PIN == 2)
-ISR(INT0_vect)
-#    elif (IR_RECEIVE_PIN == 3)
-ISR(INT1_vect)
-#    endif
-#  else
 void measureTimingISR()
-#  endif
-#endif
 {
     uint32_t tMicros = micros();
     uint32_t tMicrosDelta = tMicros - LastMicros;