Converted to use ESP32 version 3.x.

• Converted to use ESP32 version 3.x.
• Native support for Atmega328 for tone() at pin 3.

Add ability to play C8 and beyond

V2.1.0

Bumped Version to 2.1.0

Added function isPlayRtttlRunning().

v2.0.1

Bumped version to 2.0.1

Renamed PlayRttl.cpp to PlayRttl.hpp

• Renamed PlayRttl.cpp to PlayRttl.hpp.
• Removed macros SUPPORT_RTX_EXTENSIONS and SUPPORT_RTX_FORMAT.

New example ReactionTimeTestGame

1.4.2

Version 1.4.2 - New example ReactionTimeTestGame

Removed blocking wait for ATmega32U4 Serial in examples

1.4.1

V1.4.1 Removed blocking wait for ATmega32U4 Serial in examples + docu…

Supporting direct tone output at pin 11 for ATmega328

• Supporting direct tone output at pin 11 for ATmega328. Can be used with interrupt blocking libraries for NeoPixel etc.
• Use Print * instead of Stream *.
• Improved non-AVR compatibility.
• New Christmas songs example.

Support all octaves below 8

• Support all octaves below 8
• New styles '1' to '9' in addition to RTX styles 'C', 'N', 'S'

Porting to non AVR architectures

Since tone() is available on most architectures, PlayRtttl was ported to these.

Natural style and parameter order

• Natural is the new default style.
• New RTTTLMelodiesSmall sample array with less entries.
• Parameter now order independent.
• Modified oneMelody example.