Removed blinking led

It is difficult to maintain this over different architectures and also
not entirely that useful.

Fixes #462

keywords.txt

@@ -14,7 +14,6 @@ IRsend	KEYWORD1
 # Methods and Functions (KEYWORD2)
 #######################################
 
-blink13	KEYWORD2
 decode	KEYWORD2
 enableIRIn	KEYWORD2
 resume	KEYWORD2

src/IRremote.cpp

@@ -127,7 +127,6 @@ ISR (TIMER_INTR_NAME)
 {
 	TIMER_RESET;
 
-	// Read if IR Receiver -> SPACE [xmt LED off] or a MARK [xmt LED on]
 	// digitalRead() is very slow. Optimisation is possible, but makes the code unportable
 	uint8_t  irdata = (uint8_t)digitalRead(irparams.recvpin);
 
@@ -185,14 +184,4 @@ ISR (TIMER_INTR_NAME)
 		 	break;
 	}
 
-#ifdef BLINKLED
-	// If requested, flash LED while receiving IR data
-	if (irparams.blinkflag) {
-		if (irdata == MARK)
-			if (irparams.blinkpin) digitalWrite(irparams.blinkpin, HIGH); // Turn user defined pin LED on
-				else BLINKLED_ON() ;   // if no user defined LED pin, turn default LED pin for the hardware on
-		else if (irparams.blinkpin) digitalWrite(irparams.blinkpin, LOW); // Turn user defined pin LED on
-				else BLINKLED_OFF() ;   // if no user defined LED pin, turn default LED pin for the hardware on
-	}
-#endif // BLINKLED
 }

src/IRremote.h

@@ -172,9 +172,8 @@ class IRrecv
 {
 	public:
 		IRrecv (int recvpin) ;
-		IRrecv (int recvpin, int blinkpin);
+		IRrecv (int recvpin);
 
-		void  blink13    (int blinkflag) ;
 		int   decode     (decode_results *results) ;
 		void  enableIRIn ( ) ;
 		bool  isIdle     ( ) ;

src/IRremoteInt.h

@@ -41,8 +41,6 @@ typedef
 		// The fields are ordered to reduce memory over caused by struct-padding
 		uint8_t       rcvstate;        // State Machine state
 		uint8_t       recvpin;         // Pin connected to IR data from detector
-		uint8_t       blinkpin;
-		uint8_t       blinkflag;       // true -> enable blinking of pin on IR processing
 		uint8_t       rawlen;          // counter of entries in rawbuf
 		unsigned int  timer;           // State timer, counts 50uS ticks.
 		unsigned int  rawbuf[RAWBUF];  // raw data

src/boarddefs.h

@@ -47,29 +47,10 @@
 // is not configurable on the current board.
 
 //------------------------------------------------------------------------------
-// Defines for blinking the LED
+// Soft Carrier fallback for SAM and SAMD architectures
 //
 
-#if defined(CORE_LED0_PIN)
-#	define BLINKLED        CORE_LED0_PIN
-#	define BLINKLED_ON()   (digitalWrite(CORE_LED0_PIN, HIGH))
-#	define BLINKLED_OFF()  (digitalWrite(CORE_LED0_PIN, LOW))
-
-#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
-#	define BLINKLED        13
-#	define BLINKLED_ON()   (PORTB |= B10000000)
-#	define BLINKLED_OFF()  (PORTB &= B01111111)
-
-#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
-#	define BLINKLED        0
-#	define BLINKLED_ON()   (PORTD |= B00000001)
-#	define BLINKLED_OFF()  (PORTD &= B11111110)
-
 #elif defined(ARDUINO_ARCH_SAM) || defined(ARDUINO_ARCH_SAMD)
-#	define BLINKLED        LED_BUILTIN
-#	define BLINKLED_ON()   (digitalWrite(LED_BUILTIN, HIGH))
-#	define BLINKLED_OFF()  (digitalWrite(LED_BUILTIN, LOW))
-
 #	define USE_SOFT_CARRIER
 	// Define to use spin wait instead of delayMicros()
 //#	define USE_SPIN_WAIT
@@ -79,8 +60,6 @@
 #	define SEND_PIN 9
 
 #elif defined(ESP32)
-        // No system LED on ESP32, disable blinking by NOT defining BLINKLED
-
         // avr/interrupt.h is not present
 #       undef HAS_AVR_INTERRUPT_H
 
@@ -90,10 +69,6 @@
         // Supply own enbleIRIn
 #       undef USE_DEFAULT_ENABLE_IR_IN
 
-#else
-#	define BLINKLED        13
-#	define BLINKLED_ON()  (PORTB |= B00100000)
-#	define BLINKLED_OFF()  (PORTB &= B11011111)
 #endif
 
 //------------------------------------------------------------------------------

src/irRecv.cpp

@@ -99,15 +99,11 @@ int  IRrecv::decode (decode_results *results)
 IRrecv::IRrecv (int recvpin)
 {
 	irparams.recvpin = recvpin;
-	irparams.blinkflag = 0;
 }
 
-IRrecv::IRrecv (int recvpin, int blinkpin)
+IRrecv::IRrecv (int recvpin)
 {
 	irparams.recvpin = recvpin;
-	irparams.blinkpin = blinkpin;
-	pinMode(blinkpin, OUTPUT);
-	irparams.blinkflag = 0;
 }
 
 
@@ -142,17 +138,6 @@ void  IRrecv::enableIRIn ( )
 }
 #endif // USE_DEFAULT_ENABLE_IR_IN
 
-//+=============================================================================
-// Enable/disable blinking of pin 13 on IR processing
-//
-void  IRrecv::blink13 (int blinkflag)
-{
-#ifdef BLINKLED
-	irparams.blinkflag = blinkflag;
-	if (blinkflag)  pinMode(BLINKLED, OUTPUT) ;
-#endif
-}
-
 //+=============================================================================
 // Return if receiving new IR signals
 //