{"id":20871,"date":"2021-02-17T14:49:03","date_gmt":"2021-02-17T13:49:03","guid":{"rendered":"https:\/\/www.recantha.co.uk\/blog\/?p=20871"},"modified":"2021-02-17T14:49:03","modified_gmt":"2021-02-17T13:49:03","slug":"run-a-v7-unix-clone-on-your-raspberry-pi-pico-take-a-look-at-this-experiment-using-fuzix","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=20871","title":{"rendered":"Run a v7 Unix clone on your Raspberry Pi Pico – take a look at this experiment using Fuzix"},"content":{"rendered":"
\"\"

Image by Alasdair Allan (https:\/\/alasdairallan.com\/)<\/p><\/div>\n

David Given<\/a> has been working on porting the Fuzix operating system<\/a> to various microcontrollers and he wondered if he could get it working on the Raspberry Pi Pico.<\/p>\n

He’s described Fuzix in the following terms:<\/p>\n

Fuzix is a proper Unix, with multiple processes, devices, all the standard Unix tools, Bourne shell, vi clone, etc. Given the RP2040’s limited RAM and no MMU, this port keeps just one process in memory at a time, swapping in and out to an SD card to do context switches; this works surprisingly well. Each process gets up to 64kB of code and data.<\/p><\/blockquote>\n

He succeeded in his efforts, and he describes performance on the little board as “pretty decent”, though he hasn’t tried overclocking the Pico yet to see how much he can get out of it. He has documented it all over on his blog<\/a> where you can see how he did it and how to reproduce it yourself. Over on the Raspberry Pi Forums<\/a>, where he posted the work as a thread, you can see the exploits of other people who have replicated the project, as well as some more information on hooking up an SD card reader like so:<\/p>\n

\"\"

Thanks to Alasdair Allan again for this wiring diagram<\/p><\/div>\n

David’s plan is to look at porting Fuzix to the full Raspberry Pi at some stage, so keep an eye on his blog for that<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

David Given has been working on porting the Fuzix operating system to various microcontrollers and he wondered if he could get it working on the Raspberry Pi Pico. He’s described Fuzix in the following terms: Fuzix is a proper Unix,…<\/p>\n

Read more →<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Run a v7 Unix clone on your Raspberry Pi Pico - take a look at this experiment using Fuzix","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[22,15,972,51],"tags":[1001,1002,1003],"class_list":["post-20871","post","type-post","status-publish","format-standard","hentry","category-geeky-techiness","category-distros","category-raspberry-pi-pico","category-tutorials","tag-david-given","tag-fuzix","tag-unix"],"yoast_head":"\nRun a v7 Unix clone on your Raspberry Pi Pico - take a look at this experiment using Fuzix - Raspberry Pi Pod<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=20871\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Run a v7 Unix clone on your Raspberry Pi Pico - take a look at this experiment using Fuzix - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"David Given has been working on porting the Fuzix operating system to various microcontrollers and he wondered if he could get it working on the Raspberry Pi Pico. 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It is a full-fledged descendant of Unix, but not in the way that most systems out there are. It took the bones and beating heart of Unix and then built a brand-new cybernetic exoskeleton around it\" Getting\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6135,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=6135","url_meta":{"origin":20871,"position":1},"title":"Install WordPress Blog on #RaspberryPi","author":"Michael Horne","date":"26 September 2013","format":false,"excerpt":"Jim has written a blog post on Unix Etc that shows you how to install Wordpress on your Pi. 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It is their first\u00a0micro-controller and is called the Raspberry Pi Pico! Raspberry Pi Pico has been built around Raspberry Pi's own silicon, developed in-house by them over the last few years. The\u2026","rel":"","context":"In "Announcements"","block_context":{"text":"Announcements","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=952"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/01\/Pico-R3-Pinout-Small.jpg?fit=1024%2C682&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/01\/Pico-R3-Pinout-Small.jpg?fit=1024%2C682&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/01\/Pico-R3-Pinout-Small.jpg?fit=1024%2C682&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/01\/Pico-R3-Pinout-Small.jpg?fit=1024%2C682&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":21020,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=21020","url_meta":{"origin":20871,"position":4},"title":"Guest post – Building a custom Raspberry Pi Pico-powered WiFi temperature sensor using MQTT and CircuitPython","author":"David Booth","date":"23 April 2021","format":false,"excerpt":"David Booth is here with another guest post. This time a custom temperature sensor using a Raspberry Pi Pico and a self-designed PCB. Overview A custom, low power temperature sensor powered by a Raspberry Pi Pico with an LCD display and WiFi connectivity for integration into an MQTT home automation\u2026","rel":"","context":"In "Making"","block_context":{"text":"Making","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=50"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/04\/fully_populated_sm.jpg?fit=1200%2C568&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/04\/fully_populated_sm.jpg?fit=1200%2C568&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/04\/fully_populated_sm.jpg?fit=1200%2C568&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/04\/fully_populated_sm.jpg?fit=1200%2C568&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2021\/04\/fully_populated_sm.jpg?fit=1200%2C568&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":21388,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=21388","url_meta":{"origin":20871,"position":5},"title":"Raspberry Pi Pico W launched – build your Internet of Things projects much easier!","author":"Michael Horne","date":"30 June 2022","format":false,"excerpt":"Raspberry Pi has today launched the Raspberry Pi Pico W (see the official announcement here). This uses the same RP2040 chip as the regular Pico but has wi-fi built into it! This is going to get eaten up by the Internet of Things crowd and, at $6 (\u00a36 ish), it\u2026","rel":"","context":"In "Announcements"","block_context":{"text":"Announcements","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=952"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2022\/06\/Copy-of-PICO-W-HERO-800x533-1.jpg?fit=800%2C533&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2022\/06\/Copy-of-PICO-W-HERO-800x533-1.jpg?fit=800%2C533&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2022\/06\/Copy-of-PICO-W-HERO-800x533-1.jpg?fit=800%2C533&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2022\/06\/Copy-of-PICO-W-HERO-800x533-1.jpg?fit=800%2C533&ssl=1&resize=700%2C400 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/20871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=20871"}],"version-history":[{"count":1,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/20871\/revisions"}],"predecessor-version":[{"id":20874,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/20871\/revisions\/20874"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=20871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}