# General **URL:** https://forum.opencyphal.org/c/general/11.md?page=1 [Latest](https://forum.opencyphal.org/latest.md) · [Categories](https://forum.opencyphal.org/categories.md) **Page:** 2 --- ## [About the General category](https://forum.opencyphal.org/t/about-the-general-category/256)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 0\ **Last updated:** [November 17, 2018, 2:20pm UTC](https://forum.opencyphal.org/t/about-the-general-category/256 "2018-11-17T14:20:46Z")
Other topics that are not related to the development and usage of Cyphal. --- ## [Cyphal logo-palooza](https://forum.opencyphal.org/t/cyphal-logo-palooza/1626)
**Author:** [@scottdixon](https://forum.opencyphal.org/u/scottdixon)\ **Replies:** 30\ **Last updated:** [April 9, 2022, 12:06pm UTC](https://forum.opencyphal.org/t/cyphal-logo-palooza/1626 "2022-04-09T12:06:49Z")
Time for the big logo bash. We actually need two logos: The Cyphal technology logo OpenCyphal’s organizational logo I’ll start and we can do this free-for-all until something emerges. --- ## [Just learned about UAVCAN and already a name change](https://forum.opencyphal.org/t/just-learned-about-uavcan-and-already-a-name-change/1632)
**Author:** [@jack8192](https://forum.opencyphal.org/u/jack8192)\ **Replies:** 0\ **Last updated:** [April 7, 2022, 3:55am UTC](https://forum.opencyphal.org/t/just-learned-about-uavcan-and-already-a-name-change/1632 "2022-04-07T03:55:43Z")
Cyphal? too obscure, doesn’t even suggest a context. Reminds me of Exxon, another artificial name. Why not be a bit more democratic, build-up a list of names, then do vote-up the first five winners until the list is do… --- ## [How to buy NXP UAVCAN dev kit - KIT-UCANS32K146](https://forum.opencyphal.org/t/how-to-buy-nxp-uavcan-dev-kit-kit-ucans32k146/1210)
**Author:** [@roman-dvorak](https://forum.opencyphal.org/u/roman-dvorak)\ **Replies:** 3\ **Last updated:** [March 28, 2022, 1:12pm UTC](https://forum.opencyphal.org/t/how-to-buy-nxp-uavcan-dev-kit-kit-ucans32k146/1210 "2022-03-28T13:12:20Z")
Hi, I saw that NXP sells a UAVCAN dev kit based on their s32k mcu. I would like to buy the whole kit. The kit can only be purchased with “NXP coupon”. Does anyone know where/how to get that coupon, or can’t someone give… --- ## [Vendors transition to UAVCANv1](https://forum.opencyphal.org/t/vendors-transition-to-uavcanv1/1613)
**Author:** [@hennels](https://forum.opencyphal.org/u/hennels)\ **Replies:** 3\ **Last updated:** [March 15, 2022, 10:17am UTC](https://forum.opencyphal.org/t/vendors-transition-to-uavcanv1/1613 "2022-03-15T10:17:21Z")
We are interested in moving all our uavcan nodes to the uavcanv1 protocol from the v0 protocol. We have even replaced our uavcanv0 nodes with the NXP UCANS32K146 interfacing with the sensor and communicating to our FCU u… --- ## [Buy a drone with uavcan](https://forum.opencyphal.org/t/buy-a-drone-with-uavcan/1539)
**Author:** [@hieudao](https://forum.opencyphal.org/u/hieudao)\ **Replies:** 0\ **Last updated:** [December 8, 2021, 1:27pm UTC](https://forum.opencyphal.org/t/buy-a-drone-with-uavcan/1539 "2021-12-08T13:27:04Z")
Hi, I want to buy a functional drone with installed UAVCAN for communication with motors, battery, … Which drone or which manufacture has developed with UAVCAN that can be bought online? --- ## [GitHub permissions update](https://forum.opencyphal.org/t/github-permissions-update/1515)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 0\ **Last updated:** [November 11, 2021, 1:10pm UTC](https://forum.opencyphal.org/t/github-permissions-update/1515 "2021-11-11T13:10:33Z")
Today I implemented a long overdue update of the member privileges and related settings on our GitHub organization. Please let me know if you lost access to something. --- ## [Welcome new members of the UAVCAN Consortium](https://forum.opencyphal.org/t/welcome-new-members-of-the-uavcan-consortium/1060)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 10\ **Last updated:** [August 9, 2021, 4:22pm UTC](https://forum.opencyphal.org/t/welcome-new-members-of-the-uavcan-consortium/1060 "2021-08-09T16:22:20Z")
The UAVCAN Consortium was launched yesterday. Today we welcome our first member – Revolve NTNU :tada: There are several additional members in the pipeline that will be joining in the short order. We will be updating t… --- ## [First draft of the UDRAL DSDL namespace](https://forum.opencyphal.org/t/first-draft-of-the-udral-dsdl-namespace/1438)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 41\ **Last updated:** [October 21, 2021, 2:31am UTC](https://forum.opencyphal.org/t/first-draft-of-the-udral-dsdl-namespace/1438 "2021-10-21T02:31:59Z")
The lengthy debate on the architecture of UDRAL culminated in the following draft that is currently maintained on a feature branch of the public regulated data types repository: https://github.com/UAVCAN/public\_regulate… --- ## [O1Heap v2.0.0 released -- a deterministic memory allocator for hard real-time systems](https://forum.opencyphal.org/t/o1heap-v2-0-0-released-a-deterministic-memory-allocator-for-hard-real-time-systems/1477)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 0\ **Last updated:** [October 9, 2021, 1:21pm UTC](https://forum.opencyphal.org/t/o1heap-v2-0-0-released-a-deterministic-memory-allocator-for-hard-real-time-systems/1477 "2021-10-09T13:21:56Z")
True story: The new release brings us enhanced MISRA C conformance and support for build configuration headers. Thanks @coder\_kalyan for setting up the CI workflows. --- ## [Scheduled downtime](https://forum.opencyphal.org/t/scheduled-downtime/1474)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 0\ **Last updated:** [October 5, 2021, 8:09pm UTC](https://forum.opencyphal.org/t/scheduled-downtime/1474 "2021-10-05T20:09:21Z")
This forum is going to be down for maintenance on the coming weekend. Hang tight. --- ## [UCANPHY v1.0 coordination](https://forum.opencyphal.org/t/ucanphy-v1-0-coordination/1349)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 13\ **Last updated:** [October 1, 2021, 10:45am UTC](https://forum.opencyphal.org/t/ucanphy-v1-0-coordination/1349 "2021-10-01T10:45:55Z")
I have just migrated the text into a separate LaTeX doc as proposed in the guidelines thread: UCANPHY\_Specification.pdf (2.6 MB) The doc is maintained on GitHub at https://github.com/UAVCAN/ucanphy; let me know if you … --- ## [Service/message ID alocation registry - initial thoughts](https://forum.opencyphal.org/t/service-message-id-alocation-registry-initial-thoughts/1470)
**Author:** [@VadimZ](https://forum.opencyphal.org/u/VadimZ)\ **Replies:** 0\ **Last updated:** [September 30, 2021, 6:34pm UTC](https://forum.opencyphal.org/t/service-message-id-alocation-registry-initial-thoughts/1470 "2021-09-30T18:34:26Z")
Quick dump of my thoughts and previous discussion regarding the message ID allocation files. There are several options to define split between instance # and message ID parts, for usages like message routing in the re… --- ## [Type safety enhancement proposal](https://forum.opencyphal.org/t/type-safety-enhancement-proposal/1416)
**Author:** [@VadimZ](https://forum.opencyphal.org/u/VadimZ)\ **Replies:** 10\ **Last updated:** [September 27, 2021, 6:20pm UTC](https://forum.opencyphal.org/t/type-safety-enhancement-proposal/1416 "2021-09-27T18:20:19Z")
Hi forum, Following a long and sometimes heated discussing on a parallel thread, I’d like to introduce an additional proposal aimed at improving type safety and easy of use of UAVCANv1 based systems. The idea is add an… --- ## [Brief clarifications on the logo usage policy](https://forum.opencyphal.org/t/brief-clarifications-on-the-logo-usage-policy/1437)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 0\ **Last updated:** [September 15, 2021, 4:42pm UTC](https://forum.opencyphal.org/t/brief-clarifications-on-the-logo-usage-policy/1437 "2021-09-15T16:42:53Z")
The UAVCAN project has regular logos that look like this: They can be used freely with products, marketing materials, websites, documentation, apparel, etc. — no need to ask permission. If you believe that your prod… --- ## [PX4 UAVCAN HITL simulator for VTOL plane and quadcopter](https://forum.opencyphal.org/t/px4-uavcan-hitl-simulator-for-vtol-plane-and-quadcopter/1424)
**Author:** [@frontw](https://forum.opencyphal.org/u/frontw)\ **Replies:** 0\ **Last updated:** [September 7, 2021, 9:50am UTC](https://forum.opencyphal.org/t/px4-uavcan-hitl-simulator-for-vtol-plane-and-quadcopter/1424 "2021-09-07T09:50:26Z")
Hi from RaccoonLab.org, a team of enthusiasts in field robotics! We want to share our true-HITL UAVCAN-based simulator for PX4. Quick demo: https://youtu.be/e9MREW6tCmE We believe a unified UAVCAN bus for drone onboar… --- ## [A lengthy article about the origins of UAVCAN in Russian](https://forum.opencyphal.org/t/a-lengthy-article-about-the-origins-of-uavcan-in-russian/894)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 2\ **Last updated:** [September 7, 2021, 8:56am UTC](https://forum.opencyphal.org/t/a-lengthy-article-about-the-origins-of-uavcan-in-russian/894 "2021-09-07T08:56:33Z")
--- ## [Port type safety enforcement](https://forum.opencyphal.org/t/port-type-safety-enforcement/1303)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 94\ **Last updated:** [August 10, 2021, 7:42am UTC](https://forum.opencyphal.org/t/port-type-safety-enforcement/1303 "2021-08-10T07:42:58Z")
@dagar and @tridge are correctly pointing out that that non-fixed port-ID assignment is prone to a particular failure mode where multiple nodes interact with the same subject under incompatible assumptions about its sema… --- ## [Meeting times for UDRAL development call](https://forum.opencyphal.org/t/meeting-times-for-udral-development-call/1377)
**Author:** [@coder\_kalyan](https://forum.opencyphal.org/u/coder_kalyan)\ **Replies:** 1\ **Last updated:** [July 28, 2021, 4:31pm UTC](https://forum.opencyphal.org/t/meeting-times-for-udral-development-call/1377 "2021-07-28T16:31:23Z")
I am available at 22:00 PDT today and tomorrow, perhaps Friday but thats not preferable. (30 minutes prior to last week’s call). @pavel.kirienko @tridge @dagar @bbworld1 please state your availability. --- ## [Core messages with semantic\_id](https://forum.opencyphal.org/t/core-messages-with-semantic-id/1367)
**Author:** [@tridge](https://forum.opencyphal.org/u/tridge)\ **Replies:** 2\ **Last updated:** [July 22, 2021, 3:57am UTC](https://forum.opencyphal.org/t/core-messages-with-semantic-id/1367 "2021-07-22T03:57:55Z")
Following on from my semantic\_id proposal, here are some illustrative messages. GNSS @semantic\_id 1 uint3 instance uint3 status uint32 time\_week\_ms uint16 time\_week int36 latitude # in 1e-8 degrees int36 longitude # … --- ## [Meeting minutes: July 21 2021 (UTC) UDRAL call](https://forum.opencyphal.org/t/meeting-minutes-july-21-2021-utc-udral-call/1365)
**Author:** [@coder\_kalyan](https://forum.opencyphal.org/u/coder_kalyan)\ **Replies:** 1\ **Last updated:** [July 21, 2021, 9:50pm UTC](https://forum.opencyphal.org/t/meeting-minutes-july-21-2021-utc-udral-call/1365 "2021-07-21T21:50:57Z")
Attendees: Pavel Kirienko @pavel.kirienko \* Andrew Tridgell Kalyan Sriram @coder\_kalyan James Pattison @auturgy Daniel Agar @dagar Scott Dixon @scottdixon Siddharth Purohit @sidbh Pavel: UAVCANv1 is a is intended to… --- ## [Standard Device Error Protocol](https://forum.opencyphal.org/t/standard-device-error-protocol/1348)
**Author:** [@bbworld1](https://forum.opencyphal.org/u/bbworld1)\ **Replies:** 2\ **Last updated:** [July 18, 2021, 10:55am UTC](https://forum.opencyphal.org/t/standard-device-error-protocol/1348 "2021-07-18T10:55:44Z")
As indicated on the UDRAL Planning Document, a robust, machine-comprehensible error protocol would be a powerful addition to the new UDRAL standard, allowing devices such as flight controllers to intelligently monitor fo… --- ## [UAVCAN/CAN Physical Layer SIG guidelines](https://forum.opencyphal.org/t/uavcan-can-physical-layer-sig-guidelines/1347)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 2\ **Last updated:** [July 17, 2021, 1:50am UTC](https://forum.opencyphal.org/t/uavcan-can-physical-layer-sig-guidelines/1347 "2021-07-17T01:50:39Z")
This thread is to coordinate the work on the UAVCAN/CAN Physical Layer standard (UCANPHY). Background The original UAVCAN v0 Specification contains chapter “Hardware design recommendations” that is not retained in v1. T… --- ## [UAVCAN Drone Application Layer SIG guidelines](https://forum.opencyphal.org/t/uavcan-drone-application-layer-sig-guidelines/1280)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 20\ **Last updated:** [July 13, 2021, 6:32am UTC](https://forum.opencyphal.org/t/uavcan-drone-application-layer-sig-guidelines/1280 "2021-07-13T06:32:58Z")
This document sets the guidelines for the Special Interest Group (SIG) dedicated to the development and maintenance of the UAVCAN Drone Application Layer (UDRAL). The rules set out in this post are derived from our exper… --- ## [Low-level technical requirements](https://forum.opencyphal.org/t/low-level-technical-requirements/1294)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 2\ **Last updated:** [June 11, 2021, 4:48pm UTC](https://forum.opencyphal.org/t/low-level-technical-requirements/1294 "2021-06-11T16:48:58Z")
In order to kick-start this work, I would like to invite the participants to submit their proposals for the low-level technical requirements for the standard. Per the standard V-model, the requirements defined at this st… --- ## [Reorganization of the forum categories](https://forum.opencyphal.org/t/reorganization-of-the-forum-categories/1291)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 0\ **Last updated:** [June 4, 2021, 9:00pm UTC](https://forum.opencyphal.org/t/reorganization-of-the-forum-categories/1291 "2021-06-04T21:00:16Z")
As a follow-up to our decision to restart the DS-015 effort under the management of the UAVCAN Consortium, the following changes have been implemented: A new group @consortium was created. The group contains all repre… --- ## [UAVCAN Consortium member directory and representatives](https://forum.opencyphal.org/t/uavcan-consortium-member-directory-and-representatives/1283)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 0\ **Last updated:** [June 2, 2021, 8:42pm UTC](https://forum.opencyphal.org/t/uavcan-consortium-member-directory-and-representatives/1283 "2021-06-02T20:42:23Z")
If you want your fellow representative to gain access to this sub-forum, send a PM to one of the forum admins. Please limit the number of representatives depending on the membership tier: Sponsored — up to 5 Regular — … --- ## [Problems with DS-015](https://forum.opencyphal.org/t/problems-with-ds-015/1219)
**Author:** [@tridge](https://forum.opencyphal.org/u/tridge)\ **Replies:** 42\ **Last updated:** [May 11, 2021, 8:27pm UTC](https://forum.opencyphal.org/t/problems-with-ds-015/1219 "2021-05-11T20:27:56Z")
I’ve been having an in-depth discussion with Pavel about the future of v1 and DS-015 in ArduPilot. While the discussion has been useful, I think it a wider technical audience is worthwhile. First the good news. From my … --- ## [Demos and references](https://forum.opencyphal.org/t/demos-and-references/1160)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 3\ **Last updated:** [April 16, 2021, 2:59pm UTC](https://forum.opencyphal.org/t/demos-and-references/1160 "2021-04-16T14:59:22Z")
I have just set up a repository for demos and references available to the members of the Consortium only. At the moment it contains a single demo of a DS-015-compliant servo. It can be used to bootstrap other network ser… --- ## [Basic support for UAVCAN v1 is now available in PX4 master](https://forum.opencyphal.org/t/basic-support-for-uavcan-v1-is-now-available-in-px4-master/1113)
**Author:** [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Replies:** 0\ **Last updated:** [February 7, 2021, 7:09pm UTC](https://forum.opencyphal.org/t/basic-support-for-uavcan-v1-is-now-available-in-px4-master/1113 "2021-02-07T19:09:37Z")
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