Closes Arduino-IRremote#1255

Author: ArminJo

src/IRReceive.hpp

@@ -227,10 +227,12 @@ void IRReceiveTimerInterruptHandler() {
              * After resume(), decodedIRData.rawDataPtr->initialGapTicks and decodedIRData.rawDataPtr->rawlen are
              * the first variables, which are overwritten by the next received frame.
              * since 4.3.0.
+             * For backward compatibility, there are the same 2 statements in decode() if IrReceiver is not used.
              */
             IrReceiver.decodedIRData.initialGapTicks = irparams.initialGapTicks;
             IrReceiver.decodedIRData.rawlen = irparams.rawlen;
-            irparams.StateForISR = IR_REC_STATE_STOP;
+
+            irparams.StateForISR = IR_REC_STATE_STOP; // This signals the decode(), that a complete frame was received
 #if !defined(IR_REMOTE_DISABLE_RECEIVE_COMPLETE_CALLBACK)
             /*
              * Call callback if registered (not NULL)
@@ -419,7 +421,7 @@ void IRrecv::restartTimerWithTicksToAdd(uint16_t aTicksToAddToGapCounter) {
 #ifdef _IR_MEASURE_TIMING
     pinModeFast(_IR_TIMING_TEST_PIN, OUTPUT);
 #endif
-    }
+}
 #if defined(ESP8266) || defined(ESP32)
 #pragma GCC diagnostic push
 #endif
@@ -540,6 +542,14 @@ bool IRrecv::decode() {
         return false;
     }
 
+    /*
+     * Support for old examples, which do not use the default IrReceiver instance
+     */
+    if (this != &IrReceiver) {
+        decodedIRData.initialGapTicks = irparams.initialGapTicks;
+        decodedIRData.rawlen = irparams.rawlen;
+    }
+
     initDecodedIRData(); // sets IRDATA_FLAGS_WAS_OVERFLOW
 
     if (decodedIRData.flags & IRDATA_FLAGS_WAS_OVERFLOW) {

src/IRremoteInt.h

@@ -203,8 +203,8 @@ class IRrecv {
 public:
 
     IRrecv();
-    IRrecv(uint_fast8_t aReceivePin);
-    IRrecv(uint_fast8_t aReceivePin, uint_fast8_t aFeedbackLEDPin);
+    IRrecv(uint_fast8_t aReceivePin) __attribute__ ((deprecated ("Please use the default IRrecv instance \"IrReceiver\" and IrReceiver.begin(), and not your own IRrecv instance.")));
+    IRrecv(uint_fast8_t aReceivePin, uint_fast8_t aFeedbackLEDPin) __attribute__ ((deprecated ("Please use the default IRrecv instance \"IrReceiver\" and IrReceiver.begin(), and not your own IRrecv instance..")));
     void setReceivePin(uint_fast8_t aReceivePinNumber);
 #if !defined(IR_REMOTE_DISABLE_RECEIVE_COMPLETE_CALLBACK)
     void registerReceiveCompleteCallback(void (*aReceiveCompleteCallbackFunction)(void));

src/digitalWriteFast.h

@@ -29,6 +29,10 @@
 
 #include <Arduino.h> // declarations for the fallback to digitalWrite(), digitalRead() etc.
 
+#if defined(MEGATINYCORE)
+#error Do not use "#include digitalWriteFast.h" because megaTinyCore has it own digitalWriteFast function set, except digitalToggleFast().
+#endif
+
 // --- Arduino Mega and ATmega128x/256x based boards ---
 #if (defined(ARDUINO_AVR_MEGA) || \
        defined(ARDUINO_AVR_MEGA1280) || \

src/ir_Lego.hpp

@@ -132,7 +132,7 @@ bool IRrecv::decodeLegoPowerFunctions() {
     }
 
     // Check we have enough data - +4 for initial gap, start bit mark and space + stop bit mark
-    if (decodedIRData.rawDataPtr->rawlen != (2 * LEGO_BITS) + 4) {
+    if (decodedIRData.rawlen != (2 * LEGO_BITS) + 4) {
         IR_DEBUG_PRINT(F("LEGO: "));
         IR_DEBUG_PRINT(F("Data length="));
         IR_DEBUG_PRINT(decodedIRData.rawDataPtr->rawlen);