Programming the Raspberry Pi GPIO pins using Common Lisp?

• cl-gpio

  2 21 1.9 HTML

  A library for the Linux GPIO kernel module as used on hobby kits such as the Raspberry Pi

I believe so, the https://github.com/Shinmera/cl-gpio library mentioned above seems to use it as a backend.

• cffi

  16 414 4.0 Common Lisp

  The Common Foreign Function Interface

  

Maybe access the pins using CFFI, https://github.com/cffi/cffi package and one the libraries mentioned here? https://www.bigmessowires.com/2018/05/26/raspberry-pi-gpio-programming-in-c/

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• rpi-sbcl

  1 5 10.0 Common Lisp

  Foreign Functions for interfacing Raspberry Pi GPIO from Steel Bank Common Lisp

Also this on github might be exactly what you are wanting, https://github.com/LaloHao/rpi-sbcl

• BBS-BBB-Ada

  2 7 5.3 Ada

  A collection of Ada sources for working with Linux based embedded computers, such as the BeagleBone Black or Raspberry Pi

I had a similar problem trying to use them using Ada. The solution that I found used the /sys filesystem (though u/excogitatio below says that that's deprecated). The specific paths that I found for the pins are in https://github.com/BrentSeidel/BBS-BBB-Ada/blob/master/src/bbs-embed-rpi.ads and how I used them is in https://github.com/BrentSeidel/BBS-BBB-Ada/blob/master/src/linux/bbs-embed-gpio-linux.adb. If you're willing to wade through Ada code, you may find other interesting things in that project.

Suggest a related project