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Support for SAMD51 timer3 if timer 5 is not available (Adafruit ItsyBitsy M4).
attachInterrupt() on SAMD has a different semantic :-(. See: https://www.arduino.cc/reference/tr/language/functions/external-interrupts/attachinterrupt/.
Fixed overflow handling.
Improved repeat detection for DistanceWidthProtocol.
Print of IR frame duration in printIRResultShort();
PulseDistanceWidthProtocolConstants now in PROGMEM, this saves 190 bytes RAM for unit test.
Support for PROGMEM PulseDistanceWidthProtocol data.
Support duplicated 8 bit address for sendSamsungLG().

Support for ESP 3.0 by akellai.
restartTimer() now uses variable sMicrosAtLastStopTimer to keep track of uncounted ticks between stopTimer() and restartTimer().
Removed functions addTicksToInternalTickCounter() and addMicrosToInternalTickCounter(), which were added in 4.1.0.
Version 2.2.0 of TinyIR with new TinyReceiverDecode() function to be used as drop in for IrReceiver.decode().
Support of RC6A.

Using 8 bit raw timing buffer for all timings except frame gap (former rawbuf[0]).
Renamed decodedIRData.initialGap to decodedIRData.initialGapTicks.
sendNEC() and sendNEC2() now accepts 16 bit command to better map to NECext protocol found in IRDB databases.
ir_DistanceWidthProtocol() now decodes up to 10 ms mark or spaces if RAM is bigger than 2 k.
Improved sensitivity and decoding of PULSE_DISTANCE + PULSE_WIDTH protocols.
Changed TOLERANCE_FOR_DECODERS_MARK_OR_SPACE_MATCHING to TOLERANCE_FOR_DECODERS_MARK_OR_SPACE_MATCHING_PERCENT.
Improved examples AllProtocolsOnLCD, UnitTest and SimpleReceiver.
New functions decodePulseDistanceWidthData() with 6 parameters and decodePulseDistanceWidthDataStrict() with 7 parameters.

Added sendSonyMSB(unsigned long data, int nbits) as a clone of sendSony(unsigned long data, int nbits) to be more consistent.
Added sendSamsungMSB(unsigned long data, int nbits) as a clone of sendSAMSUNG(unsigned long data, int nbits) to be more consistent.
Added ESP32 core 3.x error message.

Removed default value USE_DEFAULT_FEEDBACK_LED_PIN for last parameter of IRsend::begin(bool aEnableLEDFeedback, uint_fast8_t aFeedbackLEDPin).
Therefore IrSender.begin(DISABLE_LED_FEEDBACK) will not longer work!
Added convenience function isIRReceiverAttachedForTinyReceiver().
Added Extended NEC Protocol macro to TinyIR by Buzzerb.
Fixed sendSamsung() / sendSamsungLG() bug.
Added functions stopTimer(), restartTimer() and restartTimerWithTicksToAdd().
Added rawlen and initialGap to IRData.
Added ReceiveAndSendHobToHood example.
Changed RECORD_GAP_MICROS default value from 5000 to 8000.

Fix wrong type of tEnableLEDFeedback in IRSend.hpp and IRReceive.hpp.
TinyReceiver 2.0
- New TinyIRReceiverData which is filled with address, command and flags.
- Removed parameters address, command and flags from callback handleReceivedTinyIRData() and printTinyReceiverResultMinimal().
- Callback function now only enabled if USE_CALLBACK_FOR_TINY_RECEIVER is activated.
Fix changing IR_SEND_PIN dynamically for ESP32.
Fix wrong type of tEnableLEDFeedback.
Support for ESP32-C3.

The old decode function is renamed to decode_old(decode_results *aResults). decode (decode_results *aResults) is only available in IRremote.h and prints a message.
Added DECODE_ONKYO, to force 16 bit command and data decoding.
Enable Bang&Olufsen 455 kHz if SEND_PWM_BY_TIMER is defined.
Fixed bug: TinyReceiver throwing ISR not in IRAM on ESP8266.
Usage of ATTinyCore pin numbering scheme e.g. PIN_PB2.
Added ARDUINO_ARCH_NRF52 to support Seeed XIAO nRF52840 Sense.
First untested support of Uno R4.
Extraced version macros to IRVersion.h.

SAMD51 use timer3 if timer5 not available.
Disabled #define LOCAL_DEBUG in IRReceive.hpp, which was accidently enabled at 4.1.0.

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