Difference between revisions of "Yampa"

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[[Category:FRP]]
 
 
Yampa is a domain-specific embedded language for the programming of hybrid (discrete and continuous time) systems using the concepts of [[Functional Reactive Programming]] (FRP). Yampa is structured using [[Arrow]]s, which greatly reduce the chance of introducing space- and time-leaks into reactive, time-varying systems.
[[Category:Arrow]]
 
   
Yampa is a domain-specific embedded language for the programming of hybrid systems using the concepts of [[Functional Reactive Programming]] (FRP). Yampa is structured using [[Arrow]]s, which greatly reduce the chance of introducing space- and time-leaks into reactive, time-varying systems.
 
 
Yampa was originally developed by the [http://haskell.cs.yale.edu/ Yale Haskell Group] based on the original idea of [http://www.conal.net Conal Elliott's] [http://conal.net/fran/ Fran].
   
Yampa was originally developed by the [http://haskell.cs.yale.edu/ Yale Haskell Group].
 
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Hackage: {{HackagePackage|id=Yampa}}
   
== Downloads ==
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== Introduction ==
* [http://hackage.haskell.org/cgi-bin/hackage-scripts/package/Yampa The Yampa package]
 
   
* [http://hackage.haskell.org/cgi-bin/hackage-scripts/package/YampaSynth YampaSynth] - is a software synthesizer implemented in Haskell using Yampa. It contains a framework of sound generating and sound shaping modules (e.g. oscillator, amplifier, mixer, envelope generator, filter, etc.) and example applications.
 
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* [http://www.cs.nott.ac.uk/~psznhn/FoPAD2007/Talks/nhn-FoPAD2007.pdf Henrik Nilsson - A Brief Introduction to Functional Reactive Programming and Yampa]
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* [http://www.cs.nott.ac.uk/~psznhn/ITU-FRP2010/ Henrik Nilsson - ITU-FRP2010]
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** [http://www.cs.nott.ac.uk/~psznhn/ITU-FRP2010/LectureNotes/lecture01.pdf ITU-FRP2010 01]
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** [http://www.cs.nott.ac.uk/~psznhn/ITU-FRP2010/LectureNotes/lecture02.pdf ITU-FRP2010 02]
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** [http://www.cs.nott.ac.uk/~psznhn/ITU-FRP2010/LectureNotes/lecture03.pdf ITU-FRP2010 03]
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** [http://www.cs.nott.ac.uk/~psznhn/ITU-FRP2010/LectureNotes/lecture04.pdf ITU-FRP2010 04]
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** [http://www.cs.nott.ac.uk/~psznhn/ITU-FRP2010/LectureNotes/lecture05.pdf ITU-FRP2010 05]
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** [http://www.cs.nott.ac.uk/~psznhn/ITU-FRP2010/LectureNotes/lecture06.pdf ITU-FRP2010 06]
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** [http://www.cs.nott.ac.uk/~psznhn/ITU-FRP2010/LectureNotes/lecture07.pdf ITU-FRP2010 07]
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* [http://www.cs.yale.edu/homes/hudak/CS429F04/LectureSlides/YampaForCs429.ppt Paul Hudak - Yampa, Arrows, and Robots]
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* Yampa tutorials by [http://lambdor.net Gerold Meisinger]
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** [http://lambdor.net/?p=34 Running primitive signal functions in Yampa]
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** [http://lambdor.net/?p=59 Yampa/SDL program stub]
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** [http://lambdor.net/?p=44 Learning Yampa and Functional Reactive Programming]
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** [http://lambdor.net/?p=209 Diagrams of Yampa switches]
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** [http://lambdor.net/?p=117 Dataflow diagram of Yampa reactimate]
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** [http://lambdor.net/?p=113 Activity diagram of Yampa reactimate]
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* References: [https://svn.code.sf.net/p/frvr/code/AFRP/trunk/src/foo.ps ps], [http://lambdor.net/wp-content/uploads/2010/12/AFRP-Reference.pdf pdf]
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* Videos
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** [https://vimeo.com/6632457 Safe Functional Reactive Programming through Dependent Types]
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** [https://vimeo.com/6652662 Causal Commutative Arrows and Their Optimization]
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** [https://www.youtube.com/watch?v=xtmo6Bmfahc Euterpea: From signals to symphonies]
   
* [http://hackage.haskell.org/cgi-bin/hackage-scripts/package/SpaceInvaders Space Invaders]; a video game, demonstrating the usage of Yampa
 
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== Primitive signal functions ==
  +
  +
[[Image:Yampa signal functions.png|768px]]
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(download original [[:Image:Yampa signal functions.svg‎]])
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== Switches ==
  +
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* [[Yampa/switch|switch]]
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* [[Yampa/rSwitch|rSwitch]]
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* [[Yampa/kSwitch|kSwitch]]
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* [[Yampa/pSwitchB|pSwitchB]]
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* [[Yampa/pSwitch|pSwitch]]
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* [[Yampa/rpSwitchB|rpSwitchB]]
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* [[Yampa/rpSwitch|rpSwitch]]
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Each switch comes in two different flavors:
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# ''immediate'': switch to the new behaviour immediately and also calculate the return value based on the new behaviour.
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# ''delayed'': return the value based on the old behaviour, but use the new behaviour afterwards. To use delayed switch prefix the switching functions with the letter 'd', f.e. 'drpSwitchB'.
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== Reactimation ==
  +
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* [[Yampa/reactimate|reactimate]]
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* [[Yampa/game_engine|Game engine]]
   
 
== External Links ==
 
== External Links ==
   
 
* [http://mailman.cs.yale.edu/mailman/listinfo/yampa-users Yampa-Users mailing list] - Yampa-related comments, questions, discussions, and announcements. You can also send bug reports to [mailto:yampa-bugs@cs.yale.edu yampa-bugs@cs.yale.edu].
 
* [http://mailman.cs.yale.edu/mailman/listinfo/yampa-users Yampa-Users mailing list] - Yampa-related comments, questions, discussions, and announcements. You can also send bug reports to [mailto:yampa-bugs@cs.yale.edu yampa-bugs@cs.yale.edu].
* [http://www.cs.nott.ac.uk/~ggg/ George Giorgidze] created YampaSynth, a modular music synthesizer written in Haskell and using Yampa.
 
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* [https://wiki.haskell.org/IRC_channel#Projects_using_haskell #yampa] - This is Yampa IRC Channel, please refer to [https://wiki.haskell.org/IRC_channel#Getting_there Getting there] on how to join the channel.
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* [https://www.youtube.com/watch?feature=player_detailpage&v=T7XwTolu9YI Yampy Cube] - a live coding presentation with Yampa by Konstantin Zudov at Helsinki FRP Meetup May 6, 2015. [https://github.com/helsinki-frp/yampy-cube (Source code on Github)]
 
* [http://db.inf.uni-tuebingen.de/team/GeorgeGiorgidze.html George Giorgidze] created YampaSynth, a modular music synthesizer written in Haskell and using Yampa.
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* [http://www.thev.net/PaulLiu/#publications Hai (Paul) Liu papers and slides]
 
* [http://lambdor.net Blog about Yampa] - introduction tutorials and diagrams
 
* [http://lambdor.net Blog about Yampa] - introduction tutorials and diagrams
* [http://blog.edwardamsden.com/2011/03/demonstrating-time-leak-in-arrowized.html Demonstrating a Time Leak in Arrowized FRP]
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* [https://web.archive.org/web/20140820094516/http://blog.edwardamsden.com/2011/03/demonstrating-time-leak-in-arrowized.html Demonstrating a Time Leak in Arrowized FRP] (Web archive)
*
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** [http://mailman.cs.yale.edu/pipermail/yampa-users/2011-April/000409.html answer]
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* [https://www.youtube.com/results?search_query=yampa+haskell An overview of Yampa video clips on YouTube]
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== Known users ==
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[https://www.google.com/search?hl=en&q=yampa%20site%3Ahackage.haskell.org%2Fpackage&aqi=g10 search Hackage]
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* {{HackagePackage|id=YampaSynth}} - is a software synthesizer implemented in Haskell using Yampa. It contains a framework of sound generating and sound shaping modules (e.g. oscillator, amplifier, mixer, envelope generator, filter, etc.) and example applications.
  +
* [http://www.haskell.org/haskellwiki/Frag Frag]; a simple Quake 3 clone, using a very early version of Yampa called arrowized functional reactive programming (AFRP)
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* {{HackagePackage|id=SpaceInvaders}}; a video game, demonstrating the usage of Yampa
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* {{HackagePackage|id=cuboid}}; a small puzzle game
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* {{HackagePackage|id=Haskelloids}}; asteroids clone
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* [http://haskell.cs.yale.edu/nettle/ Nettle] - Programming Network Routers
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* [http://haskell.cs.yale.edu/euterpea/ Euterpea] - computer music development (also uses [[CCA]])
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* {{HackagePackage|id=YFrob}}; robot simulation
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* [https://github.com/ivanperez-keera/haskanoid Haskanoid] A breakout-like videogame with SDL graphics and sound that can optionally be controlled with a Wiimote or a Kinect.
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* [https://play.google.com/store/apps/details?id=uk.co.keera.games.magiccookies&hl=en Magic Cookies!] An iOS/Android board game implemented in Haskell using Yampa and SDL2.
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[https://github.com/search?q=yampa&repo=&langOverride=&start_value=1&type=Everything&language=Haskell search Github]
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* [https://github.com/harley/hamball Hamball]
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* [https://github.com/werk/YampaShooter YampaShooter]
   
 
== Known forks ==
 
== Known forks ==
   
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* [https://github.com/ony/Yampa-core Yampa-core]
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** [http://mailman.cs.yale.edu/pipermail/yampa-users/2012-May/ related discussion]
 
* [https://github.com/eamsden/Animas Animas]
 
* [https://github.com/eamsden/Animas Animas]
 
** code cleanup
 
** code cleanup
** [http://blog.edwardamsden.com/
 
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* [http://imve.informatik.uni-hamburg.de/projects/FRVR Functional Reactive Virtual Reality]
* [https://frvr.svn.sourceforge.net/svnroot/frvr/AFRP/trunk FRVR]
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** [https://svn.code.sf.net/p/frvr/code/AFRP/trunk/ FRVR source code]
** restructuring of modules
 
 
** [http://imve.informatik.uni-hamburg.de/projects/DIVE DIVE project]
 
** [http://imve.informatik.uni-hamburg.de/projects/DIVE DIVE project]
** [http://imve.informatik.uni-hamburg.de/files/71-Blom-Diss-online.pdf Kristopher J. Blom - Dynamic, Interactive Virtual Environments] section 8.3
 
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[[Category:FRP]]
 
[[Category:Arrow]]
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[[Category:Music]]
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[[Category:Robotics]]

Latest revision as of 08:54, 10 April 2018

Yampa is a domain-specific embedded language for the programming of hybrid (discrete and continuous time) systems using the concepts of Functional Reactive Programming (FRP). Yampa is structured using Arrows, which greatly reduce the chance of introducing space- and time-leaks into reactive, time-varying systems.

Yampa was originally developed by the Yale Haskell Group based on the original idea of Conal Elliott's Fran.

Hackage: Yampa

Introduction

Primitive signal functions

Yampa signal functions.png

(download original Image:Yampa signal functions.svg‎)

Switches

Each switch comes in two different flavors:

  1. immediate: switch to the new behaviour immediately and also calculate the return value based on the new behaviour.
  2. delayed: return the value based on the old behaviour, but use the new behaviour afterwards. To use delayed switch prefix the switching functions with the letter 'd', f.e. 'drpSwitchB'.

Reactimation

External Links

Known users

search Hackage

  • YampaSynth - is a software synthesizer implemented in Haskell using Yampa. It contains a framework of sound generating and sound shaping modules (e.g. oscillator, amplifier, mixer, envelope generator, filter, etc.) and example applications.
  • Frag; a simple Quake 3 clone, using a very early version of Yampa called arrowized functional reactive programming (AFRP)
  • SpaceInvaders; a video game, demonstrating the usage of Yampa
  • cuboid; a small puzzle game
  • Haskelloids; asteroids clone
  • Nettle - Programming Network Routers
  • Euterpea - computer music development (also uses CCA)
  • YFrob; robot simulation
  • Haskanoid A breakout-like videogame with SDL graphics and sound that can optionally be controlled with a Wiimote or a Kinect.
  • Magic Cookies! An iOS/Android board game implemented in Haskell using Yampa and SDL2.

search Github

Known forks