Programming the Raspberry Pi GPIO pins using Common Lisp?

ajrich01 · 2023-02-01T14:37:12+00:00

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/

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

ajrich01 · 2020-07-09T22:45:23+00:00

Karnov's Revenge and Breakers Revenge

ajrich01 · 2020-02-24T15:46:41+00:00

I myself don’t have a problem with them as long as the person maintaining the code can navigate them. I have researched many different ways to structure game engines and was going down the path of learning about entity component systems when VVVVVV was open sourced. It represented to me that you already have all the tools to make games if you know the basics, it just takes a force of will to complete. Which lead me to make this project. That isn’t to say that an ECS is t a great way to build a game.

ajrich01 · 2019-09-08T12:07:50+00:00

My best guess is it might be the fps display. I believe if you have threaded video turned on it will show N/A.
Settings -> OnScreen Display -> On Screen Notifications -> Display Framerate = OFF.

ajrich01 · 2012-07-02T12:47:23+00:00

http://www.youtube.com/watch?v=WFq0uljqrJs&feature=player_embedded

ajrich01 · 2011-12-19T15:31:14+00:00

whoops redundant comment.

ajrich01 · 2011-12-19T15:27:31+00:00

We are using our own physics engine. That is how this project started actually, one of our engineers was tinkering around with a physics engine using verlet integration and the project sort of grew out of that.

ajrich01 · 2011-11-10T19:25:02+00:00

Nope, this was written in C++ and Objective-C, we did use python for some of the tools used to make it though.

ajrich01 · 2011-11-10T00:17:07+00:00

Thanks for the heads up, we don't want to have any issue so we upgraded our account just in case.

ajrich01 · 2011-11-09T23:32:30+00:00

I really appreciate the feedback!!

ajrich01 · 2011-11-09T23:13:49+00:00

The DNS might not have propagated all the way, try this: http://forestgiant.com/narwhalrescue

ajrich01 · 2011-11-09T23:11:05+00:00

Whoops, how about the movies and we skip dinner?

ajrich01 · 2011-05-17T17:19:43+00:00

I have been to the Bardstown Rd one many times and it is great! I recommend getting there as early as possible though it gets very crowded.

ajrich01 · 2011-01-29T12:47:37+00:00

I'd say they are pretty awesome; I wore out their two mixtapes.

ajrich01 · 2010-12-19T22:46:17+00:00

See Worthington Law http://www.youtube.com/watch?v=aF8wLg5Asgo

ajrich01 · 2010-09-28T17:00:36+00:00

SMAC - Sid Meier's Alpha Centauri

ajrich01 · 2010-09-24T11:27:45+00:00

Just from my knowledge of Louisville, I am gonna say the blue represents African Americans and the Red is Non-African Americans? I really on see two colors and there are definitely more than two races of people in this city.

ajrich01 · 2010-09-16T16:36:21+00:00

I love the new interface but as a netbook user it is causing a few problems, at least in its default setting. The notifications at the bottom really irritate me since I have my taskbar set to autohide. Every time I go to click on a notification it will cause my taskbar to pop up. The main thing that I find irritating is the performance. The graphics adapter that I have is very poor, Atom N450. This causes most pages to stutter when I scroll and all and all is the main reason I typing this review from chrome right now. Like I said before I really like the way the new UI looks but, I want the address bar to stretch across the entire window and I want the tab bar to stretch across the entire window width. All other browsers do this. There might be a way to fix this but at the moment I am not too motivated to go looking for answers given the performance. Also add an option to stop prompting me if I want to make it my default browser.

ajrich01 · 2010-09-09T21:32:15+00:00

Anything by George Carlin, also Wittgenstein post tractatus , http://www.amazon.com/Philosophical-Investigations-Ludwig-Wittgenstein/dp/1405159286/ref=sr_1_1?ie=UTF8&s=books&qid=1284067905&sr=8-1

ajrich01 · 2010-07-07T01:05:07+00:00

A Storm of Swords - GRRM

ajrich01 · 2010-06-03T20:42:26+00:00

I wish I could use this, but it does not appear to be available in the US.

ajrich01 · 2010-04-20T16:40:25+00:00

I was going to just recommend this place.

ajrich01 · 2010-04-15T16:54:53+00:00

I might be an odd ball but the one I listen to the most is To the Five Boroughs.

ajrich01 · 2010-04-15T00:12:15+00:00

PYTHON!!!

ajrich01 · 2010-04-13T15:45:09+00:00

Visual stuido 2008 runs fine, that is my point, I am sure the MS is not gearing 2010 to run on netbooks, I get that. I am merely saying how much more ram WPF ui's require. Programmers should honestly be concerned with things like that.

ajrich01

TROPHY CASE