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CHIP: "The World's First $9 Computer"

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Drew Fustini
Drew Fustini

This document summarizes information about the $9 CHIP computer created by Next Thing Co. It discusses the company's participation in the HAX accelerator program, their successful Kickstarter campaign to fund CHIP, and their efforts to integrate CHIP into the mainline Linux kernel through working with Free Electrons developers. It also provides links to resources on the CHIP hardware design, software documentation, and community forums for developing applications and exploring the GPIO pins on CHIP.

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Chicago Open Source, Open Mic Night 2015-11-05 Drew Fustini @pdp7 http://www.meetup.com/Chicago-Open-Source-Open-Mic/events/225858615/
● http://nextthing.co/ ● Oakland, CA ● 2014 Haxlr8r team: http://www.hax.co/companies/Next-Thing-Co/
HAX Accelerator (formerly Haxlr8r) ● http://www.hax.co/ ● 111 days in Shenzhen ● Office space, workshop, staff resources ● 25K for 6% equity or $100k for 9% equity ● up to $200K in matching funds ● Shenzhen: strategy, prototyping, sourcing, supply chain management ● San Francisco: crowdfunding, fundraising, demo day with media and investors
OTTO: http://nextthing.co/otto.html
https://www.kickstarter.com/projects/1598272670 /chip-the-worlds-first-9-computer ● 39,560 backers ● $2,071,927 pledged
CHIP: "The World's First $9 Computer"
CHIP: "The World's First $9 Computer"
CHIP: "The World's First $9 Computer"
PocketC.H.I.P. makes C.H.I.P. portable! https://www.kickstarter.com/projects/1598272670/chip-the-worlds-first-9- computer/posts/1245278 ● 3,000 mAH battery (5 hours) ● 4.3" 470px x 272px screen w/ resistive touch ● Full Super-Clicky QWERTY keyboard ● Rugged Injection Molded Shell ● Fully open source ● GPIO breakouts ● C.H.I.P. is removable via hatch
CHIP: "The World's First $9 Computer"
http://nextthing.co/#target-content
CHIP is Open Source Hardware ● CC-BY-SA license for design files http://docs.nextthing.co/
CHIP: "The World's First $9 Computer"
CHIP Hardware repo
https://github.com/NextThingCo/CHIP-Hardware ● Schematics ● PCB Layout ● Bill of Materials (BOM) ● Datasheets for BOM: https://github.com/NextThingCo/CHIP-Hardware/tree/ master/CHIPv0_21-BOM-Datasheets CHIP Hardware repo
CHIP: "The World's First $9 Computer"
CHIP: "The World's First $9 Computer"
CHIP: "The World's First $9 Computer"
CHIP: "The World's First $9 Computer"
CHIP: "The World's First $9 Computer"
Mainline C.H.I.P. Kernel Changes ● Kickstarter update post: “All about Open Source” https://www.kickstarter.com/projects/1598272670/chip-th e-worlds-first-9-computer/posts/1247188 ● Goal: C.H.I.P. to be a happy and healthy member of the Linux open source community ● Run official and current version of Linux kernel ● Make changes to the Linux kernel ● Build new drivers for onboard hardware ● Merge changes into Linus Torvald's tree in a process called "Mainlining"
Mainline C.H.I.P. Kernel Changes ● Mainlining the kernel changes necessary for C.H.I.P. is no small task ● Takes huge and ongoing community effort ● Amazing Linux-Sun-Xi community has made great progress on kernel support for Allwinner SoCs: https://linux-sunxi.org
Allwinner ● fabless SoC developer in China ● low cost chips for low cost tablets ● sunxi represents their family of ARM SoCs: – A10 (sun4i) – A13 (sun5i) – A20 (sun7i) – and more... ● more info: https://linux-sunxi.org/Main_Page
Free Electrons for the win! ● Expert ARM Linux kernel developers ● Contracted by Next Thing Co to support the CHIP in mainline Linux kernel! ● Blog post: “Free Electrons working on the $9 C.H.I.P. computer” http://free-electrons.com/blog/free-electrons-chi p-nextthing/
● Free Electrons has been supporting Allwinner processors in the mainline Linux kernel for several years ● Free Electrons engineer Maxime Ripard is the maintainer of the Allwinner SoC support in the mainline Linux kernel ● Check out Free Electrons progress on G+: – https://plus.google.com/+FreeElectronsDevelopers/posts/g9Pjvw8P4Pt
CHIP Mainline example: audio support ● Maxime Ripard finished the initial work done by Emilio Lopez during a Google Summer of Code on supporting the audio codec built into the Allwinner A10 processor. ● Maxime sent the patch series to the ASoC maintainers: https://lwn.net/Articles/657200/ ● v1 got merged directly by Mark Brown, one of the two ASoC maintainers! ● “For a completely new driver, it is quite an achievement to get it merged without having to do additional iterations” ● CHIP now has audio support in mainline!
Maxime Ripard update ● “Debian 8 and XFCE running on the CHIP, on top of the DRM / KMS driver!” https://plus.google.com/107357811086496166266/posts/Bu4VSsKSPuC
CHIP Linux kernel repo
My CHIP Alpha arrived with Linux 4.2 kernel installed!
CHIP: "The World's First $9 Computer"
Getting Started https://nextthingco.zendesk.com/hc/en-us ● Getting Started with C.H.I.P. – https://nextthingco.zendesk.com/hc/en-us/sections/201702957- Getting-Started-with-C-H-I-P- ● Flying Blind with C.H.I.P. -- SSH, Serial, and USB OTG – https://nextthingco.zendesk.com/hc/en-us/articles/210492377 -Flying-Blind-with-C-H-I-P-SSH-Serial-and-USB-OTG ● Install X-windows (debian) – https://nextthingco.zendesk.com/hc/en-us/articles/213022837- Install-X-windows-debian- ● Answers to frequently asked questions about C.H.I.P. – https://nextthingco.zendesk.com/hc/en-us/sections/201948878 -Just-the-FAQs-
Next Thing Co. BBS ● CHIP category – https://bbs.nextthing.co/c/CHIP ● Debian on C.H.I.P – https://bbs.nextthing.co/t/debian-on-c-h-i-p/789 ● NextThingCo/sunxi-tools – https://github.com/NextThingCo/sunxi-tools ● CHIP Engineering / Programming Links & Photos – https://bbs.nextthing.co/t/chip-engineering-programming-l inks-photos/270/1
CHIP-SDK ● Everything needed to develop for CHIP: – https://github.com/NextThingCo/CHIP-SDK ● Easy to run inside VirtualBox VM via Vagrant ● MAKE blog post – http://makezine.com/2015/07/22/with-linux-and-crea tive-commons-the-9-chip-computer-reveals-its-open- source-details/
GPIO ● Simple GPIO Experiments – https://nextthingco.zendesk.com/hc/en-us/articles/212269688-Simple-GPIO-Experimen ts – “CHIP has several General Purpose Input/Output (GPIO) pins available for you to build around. If you want to access them in a very primitive way, just to confirm their existence, here's some things to try” ● Muxing CHIP GPIO’s – https://bbs.nextthing.co/t/muxing-chip-gpios/300 – “There are eight (8) GPIO pins always available for connecting CHIP to the sense-able world. These are in the middle of the right header, U14, Pins 13-20, labeled XIO-P0 to P7” ● Some extra pinout docs – https://bbs.nextthing.co/t/some-extra-pinout-docs/219 – “Assuming you don't want to use the camera or LCD ports it looks like you get 1 UART, 2 I2C, 1 SPI, 1 PWM & 32 I/O (some with interrupt)”
Pinout
CHIP: "The World's First $9 Computer"
CHIP: "The World's First $9 Computer"
CHIP: "The World's First $9 Computer"
CHIP: "The World's First $9 Computer"
CHIP: "The World's First $9 Computer"

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CHIP: "The World's First $9 Computer"

  • 1. Chicago Open Source, Open Mic Night 2015-11-05 Drew Fustini @pdp7 http://www.meetup.com/Chicago-Open-Source-Open-Mic/events/225858615/
  • 2. ● http://nextthing.co/ ● Oakland, CA ● 2014 Haxlr8r team: http://www.hax.co/companies/Next-Thing-Co/
  • 3. HAX Accelerator (formerly Haxlr8r) ● http://www.hax.co/ ● 111 days in Shenzhen ● Office space, workshop, staff resources ● 25K for 6% equity or $100k for 9% equity ● up to $200K in matching funds ● Shenzhen: strategy, prototyping, sourcing, supply chain management ● San Francisco: crowdfunding, fundraising, demo day with media and investors
  • 9. PocketC.H.I.P. makes C.H.I.P. portable! https://www.kickstarter.com/projects/1598272670/chip-the-worlds-first-9- computer/posts/1245278 ● 3,000 mAH battery (5 hours) ● 4.3" 470px x 272px screen w/ resistive touch ● Full Super-Clicky QWERTY keyboard ● Rugged Injection Molded Shell ● Fully open source ● GPIO breakouts ● C.H.I.P. is removable via hatch
  • 12. CHIP is Open Source Hardware ● CC-BY-SA license for design files http://docs.nextthing.co/
  • 15. https://github.com/NextThingCo/CHIP-Hardware ● Schematics ● PCB Layout ● Bill of Materials (BOM) ● Datasheets for BOM: https://github.com/NextThingCo/CHIP-Hardware/tree/ master/CHIPv0_21-BOM-Datasheets CHIP Hardware repo
  • 21. Mainline C.H.I.P. Kernel Changes ● Kickstarter update post: “All about Open Source” https://www.kickstarter.com/projects/1598272670/chip-th e-worlds-first-9-computer/posts/1247188 ● Goal: C.H.I.P. to be a happy and healthy member of the Linux open source community ● Run official and current version of Linux kernel ● Make changes to the Linux kernel ● Build new drivers for onboard hardware ● Merge changes into Linus Torvald's tree in a process called "Mainlining"
  • 22. Mainline C.H.I.P. Kernel Changes ● Mainlining the kernel changes necessary for C.H.I.P. is no small task ● Takes huge and ongoing community effort ● Amazing Linux-Sun-Xi community has made great progress on kernel support for Allwinner SoCs: https://linux-sunxi.org
  • 23. Allwinner ● fabless SoC developer in China ● low cost chips for low cost tablets ● sunxi represents their family of ARM SoCs: – A10 (sun4i) – A13 (sun5i) – A20 (sun7i) – and more... ● more info: https://linux-sunxi.org/Main_Page
  • 24. Free Electrons for the win! ● Expert ARM Linux kernel developers ● Contracted by Next Thing Co to support the CHIP in mainline Linux kernel! ● Blog post: “Free Electrons working on the $9 C.H.I.P. computer” http://free-electrons.com/blog/free-electrons-chi p-nextthing/
  • 25. ● Free Electrons has been supporting Allwinner processors in the mainline Linux kernel for several years ● Free Electrons engineer Maxime Ripard is the maintainer of the Allwinner SoC support in the mainline Linux kernel ● Check out Free Electrons progress on G+: – https://plus.google.com/+FreeElectronsDevelopers/posts/g9Pjvw8P4Pt
  • 26. CHIP Mainline example: audio support ● Maxime Ripard finished the initial work done by Emilio Lopez during a Google Summer of Code on supporting the audio codec built into the Allwinner A10 processor. ● Maxime sent the patch series to the ASoC maintainers: https://lwn.net/Articles/657200/ ● v1 got merged directly by Mark Brown, one of the two ASoC maintainers! ● “For a completely new driver, it is quite an achievement to get it merged without having to do additional iterations” ● CHIP now has audio support in mainline!
  • 27. Maxime Ripard update ● “Debian 8 and XFCE running on the CHIP, on top of the DRM / KMS driver!” https://plus.google.com/107357811086496166266/posts/Bu4VSsKSPuC
  • 29. My CHIP Alpha arrived with Linux 4.2 kernel installed!
  • 31. Getting Started https://nextthingco.zendesk.com/hc/en-us ● Getting Started with C.H.I.P. – https://nextthingco.zendesk.com/hc/en-us/sections/201702957- Getting-Started-with-C-H-I-P- ● Flying Blind with C.H.I.P. -- SSH, Serial, and USB OTG – https://nextthingco.zendesk.com/hc/en-us/articles/210492377 -Flying-Blind-with-C-H-I-P-SSH-Serial-and-USB-OTG ● Install X-windows (debian) – https://nextthingco.zendesk.com/hc/en-us/articles/213022837- Install-X-windows-debian- ● Answers to frequently asked questions about C.H.I.P. – https://nextthingco.zendesk.com/hc/en-us/sections/201948878 -Just-the-FAQs-
  • 32. Next Thing Co. BBS ● CHIP category – https://bbs.nextthing.co/c/CHIP ● Debian on C.H.I.P – https://bbs.nextthing.co/t/debian-on-c-h-i-p/789 ● NextThingCo/sunxi-tools – https://github.com/NextThingCo/sunxi-tools ● CHIP Engineering / Programming Links & Photos – https://bbs.nextthing.co/t/chip-engineering-programming-l inks-photos/270/1
  • 33. CHIP-SDK ● Everything needed to develop for CHIP: – https://github.com/NextThingCo/CHIP-SDK ● Easy to run inside VirtualBox VM via Vagrant ● MAKE blog post – http://makezine.com/2015/07/22/with-linux-and-crea tive-commons-the-9-chip-computer-reveals-its-open- source-details/
  • 34. GPIO ● Simple GPIO Experiments – https://nextthingco.zendesk.com/hc/en-us/articles/212269688-Simple-GPIO-Experimen ts – “CHIP has several General Purpose Input/Output (GPIO) pins available for you to build around. If you want to access them in a very primitive way, just to confirm their existence, here's some things to try” ● Muxing CHIP GPIO’s – https://bbs.nextthing.co/t/muxing-chip-gpios/300 – “There are eight (8) GPIO pins always available for connecting CHIP to the sense-able world. These are in the middle of the right header, U14, Pins 13-20, labeled XIO-P0 to P7” ● Some extra pinout docs – https://bbs.nextthing.co/t/some-extra-pinout-docs/219 – “Assuming you don't want to use the camera or LCD ports it looks like you get 1 UART, 2 I2C, 1 SPI, 1 PWM & 32 I/O (some with interrupt)”