Raspberry Pi

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Introduction

Raspberry Pi is an ARM based single-board computer, developed for educational purposes, costing USD 25. For more details, see the Wikipedia article about Raspberry Pi, or the FAQ list.

Links

• Some observations/problems of getting Haskell/GHC running on the Raspberry Pi (Reddit)

• The official Raspberry Pi site

• Running Haskell on Raspberry Pi (blog)

• Raspberry Pi in a Haskell Cloud (blog)

• Re: [Haskell-cafe] Haskell (GHC 7) on ARM

• Haskell/GHC observations on the official Raspberry Pi forum

GHC Status

Of the "official" images currently available from the Raspberry Pi Downloads page, the following versions of GHC are available

• Arch Linux - 6.12.3-1
• Debian Squeeze - 6.12.1-13
• Debian Wheezy - 7.4.1-3

Note: GHCi does not currently work on ARM below version 7.4.2. See this post on haskell-cafe for information on this

djhuk has been able to compile and install GHC-7.4.2 via QEMU to the Raspberry Pi but there still seems to be some work to do.

Current Issues

The main issues encountered so far is the memory limitations of the device, at 256 MB GHC will execute fine, but problems will start to arise when using cabal-install to install new libraries, especially ones with lots of dependencies. Recent model B boards have 512 MB on board [1].

Potential solutions to this problem have been suggested, including using QEMU on a more powerful system and thus compiling your application there and copying the resulting binary across to your Raspberry Pi

See also

• Arduino

• Robotics

• ARM

• iPhone