add changelog.md (#20)

.arduino-ci.yml

@@ -1,11 +1,29 @@
+platforms:
+  rpipico:
+    board: rp2040:rp2040:rpipico
+    package: rp2040:rp2040
+    gcc:
+      features:
+      defines:
+        - ARDUINO_ARCH_RP2040
+      warnings:
+      flags:
+
+packages:
+  rp2040:rp2040:
+    url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
+
 compile:
   # Choosing to run compilation tests on 2 different Arduino platforms
+  #  selected only those that work
   platforms:
     - uno
     # - due
     # - zero
     # - leonardo
     - m4
     - esp32
-    # - esp8266
+    - esp8266
     # - mega2560
+    - rpipico
+

CHANGELOG.md

@@ -0,0 +1,111 @@
+# Change Log runningAverage
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/)
+and this project adheres to [Semantic Versioning](http://semver.org/).
+
+
+## [0.4.3] - 2022-11-23
+- add changelog.md
+- add RP2040 to build-CI
+- add examples
+- add getAverageSubset(start, count) - experimental
+- update readme.md
+
+
+## [0.4.2] - 2021-12-28
+- update license
+- minor edits
+
+## [0.4.1] - 2021-11-22
+- updated buil-CI, readme, badges
+- add getAverageLast() functions.
+
+## [0.4.0] - 2021-05-18
+- increase size above 256 elements (16 bit version)
+
+----
+
+## [0.3.2] - 2021-01-15
+- add add()
+- license
+- refactor
+
+## [0.3.1] - 2020-06-19
+- fix library.json
+- minor refactor
+
+## [0.3.0] - 2020-04-16
+- main refactor
+
+----
+
+## [0.2.16] - 2020-04-16
+- improve \_sum - see issue #149 (bourkemcrobbo)
+
+## [0.2.15] - 2020-01-17
+- fix overflow in getValue - see issue #139
+
+
+## [0.2.14] - 2020-01-15
+- added getValue(n) to retrieve elements in order of addition - see issue #132
+
+## [0.2.13] - 2017-07-26
+- revert double to float - issue #33;
+- refactored a bit; marked some TODO's
+- all function names to camelCase
+
+## [0.2.12] - 2016-12-01
+- add GetStandardDeviation()
+- add GetStandardError()
+- add BufferIsFull()  (V0v1kkk)
+
+## [0.2.11] - 2015-09-04
+- add getMaxInBuffer() getMinInBuffer() request (Antoon)
+
+## [0.2.10] - 2015-09-01
+- added getFastAverage()
+- refactored getAverage()
+- http://forum.arduino.cc/index.php?topic=50473
+
+## [0.2.09] - 2015-07-12
+- refactor const
+- refactor constructor
+
+## [0.2.08] - 2015-04-10
+- refactor getMin() and getMax() implementation
+
+## [0.2.07] - 2015-03-16
+- added getMin() and getMax() functions (Eric Mulder)
+
+## [0.2.06] - 2015-03-07
+- all size uint8_t
+
+## [0.2.05] - 2014-12-16
+- changed float -> double
+
+## [0.2.04] - 2014-07-03
+- added memory protection
+
+## [0.2.03] - 2013-11-31
+- add getElement()
+
+## [0.2.02] - 2012-12-30
+- refactored trimValue -> fillValue
+
+## [0.2.01] - 2012-11-21
+- refactored
+
+## [0.2.00] - 2012-??-??  
+- Yuval Naveh added trimValue (found on web)
+- http://stromputer.googlecode.com/svn-history/r74/trunk/Arduino/Libraries/RunningAverage/RunningAverage.cpp
+
+----
+
+## [0.1.01] - 2011-02-28
+- fixed missing destructor in .h
+
+## [0.1.00] - 2011-01-30
+- initial version
+

README.md

@@ -96,6 +96,10 @@ Note: if called with a value larger or equal to **getCount()**  (incl **getSize(
 parameter, the functions will return the statistics of the whole buffer. 
 
 
+## Subset (experimental)
+
+- **float getAverageSubset(uint16_t start, uint16_t count)** 
+Get the average of subset - count elements from start.
 
 
 ## Operation
@@ -105,11 +109,15 @@ See examples
 
 ## Future 
 
+#### must
+- update documentation, explain better
+
+#### should
 - add error handling  (important?)
+- check for optimizations.
+- clear(bool zero = true) to suppress setting all to 0. ?
+
+#### could
 - default size for constructor
-- update documentation, explain better.
 - create a double based derived class? Template class?
-- check for optimizations.
-- clear(bool zero = true)  to suppress setting all to 0. ??
-- separate releaseNotes.md