[15:15] Christopher Friedt : @Andrew - can you hear me?
[15:16] Andrew Lunn : I joined audio only. Yes, i hear you.
[15:17] Christopher Friedt : Thanks!
[15:23] Andrew Lunn : There is normally a Youtube user in the group. He/she/it is currently missing.
[15:27] Christopher Friedt : @Andrew: YouTube goes live at 7am PDT
[15:28] Christopher Friedt : I'm going to turn off my camera for a couple min
[15:29] Jason Kridner : Welcome Vaishnav!
[15:29] YouTube Live : This meeting is streaming live on YouTube
[15:31] Jason Kridner : Stream link is live, but it is just showing the conference banner.
[15:31] Vaishnav A : Hi Jason
[15:39] Christopher Friedt : Drew - are you good for audio / video?
[15:55] Frank Rowand : Hi Jason, I've brought my stuff up to 5.9-rc1 and working on it again.  Sorry for the delay in getting it to a mail list.
[15:56] Jason Kridner : 4 minutes for the Youtube stream to start!
[15:56] Jason Kridner : it isn' tlive yet.
[15:56] Frank Rowand : Vaishnav: see my note to Jason a minute ago.
[15:56] Frank Rowand : We can see you
[15:57] Jason Kridner : Thanks Frank.
[15:57] YouTube Live : This meeting is streaming live on YouTube
[15:58] Vaishnav A : Hi Frank, Thank you, I have mentioned about your proposal in the mikrobus driver slides, but was not able to provide a publicly available reference.
[15:58] Christopher Friedt : Drew - will you join us on Video for the intro?
[16:00] Stefan Schmidt : hello folks
[16:00] Trevor Woerner : o/
[16:00] Frank Rowand : ok, you can tell people to expect it on the devicetree mail list soon
[16:01] Vaishnav A : Thank you Frank, will mention it.
[16:05] Stefan Schmidt : Chris, you need to load his slides?
[16:06] Trevor Woerner : @christopher someone else wanted to do a group photo yesterday and there was a concern of server overloading (?)
[16:08] Christopher Friedt : If there are any questions, please either feel free to ask them via video or audio!
[16:09] Stefan Schmidt : dynamically here means at run time?
[16:11] Frank Rowand : Are currently any mikrobus add-boards that implement the EEPROM.  If so, what percent of the boards?
[16:11] Frank Rowand : Or is the EEPROM only on v3 boards?
[16:12] Frank Rowand : I still see the slides
[16:12] Rob Herring : Click restore presentation in lower right
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[16:14] Rob Herring : @Frank What is your proposal?
[16:21] Drew Fustini : latest RFC https://lore.kernel.org/patchwork/patch/1290148/
[16:22] Christopher Friedt : I like this idea - we should have the ability to add new descriptors based on community standard form factors - mikroBUS, feather, etc
[16:23] Maxime Ripard : have you tried to bring it up on a different SoC? Some parts look very platform specific
[16:23] Robert Beckett : is that a youtube video? youtube is having snafu atm
[16:23] Jason Sidebottom : Yeah, it's youtube
[16:23] Drew Fustini : actually latest patch series:
[RFC,v2,0/3] mikroBUS driver for add-on boards
https://lore.kernel.org/patchwork/cover/1290144/
[16:23] Drew Fustini : video https://www.youtube.com/watch?v=A3NyEjB5O38&feature=youtu.be
[16:23] Drew Fustini : demo --^
[16:23] Frank Rowand : Rob, I have been doing a proof of concept of the socket/connector idea that was floating around a few years ago.  A specific add on board (the connector) overlay would be able to be loaded against any matching socket.
[16:25] Christopher Friedt : @Robert: You mean that our MC crashed YouTube?? #achievementunlocked
[16:25] Trevor Woerner : lol! i thought the lpc2020 was some sort of board from nxp
[16:25] Christopher Friedt : Lol... jk
[16:25] Jason Sidebottom : OMG Trevor no
[16:26] Vaishnav A : Hi Maxime , we have not yet tried on a different SoC , except for the pinmux handling nothing else should not be platform specific
[16:26] Christopher Friedt : @Trevor: It's meant to take over the PC market from Intel :-D
[16:26] Trevor Woerner : /me has been in lpc32xx land for the last while
[16:26] Drew Fustini : hah, nice one trevor :)
[16:27] Drew Fustini : I'm keeping links over in Shared Notes
[16:27] Trevor Woerner : i went and googled "lpc2020" for the specs
[16:27] Maxime Ripard : @Vaishnav: I'm not sure. I mean, yeah, it all boils down to pinmux, but it can also change things like what PWM controller you actually mean when using "pwm_state" in your manifest
[16:28] Robert Beckett : haha, that would be impressive
[16:28] Robert Beckett : no, here, yt just happened to be having issues atm. I was trying to watch something over lunch 30 mins ago
[16:28] Christopher Friedt : @Maxime: I hear you - I would very much like pinmux to be a non-static thing on the end device as well. That is something that could be a potential extension of the Greybus v0.1 Protocol
[16:29] Christopher Friedt : I haven't gotten to the point of using PWM over GB myself yet.
[16:30] Robert Beckett : any specific reason for the .ini style descriptor source format? Seems like .dts would suffice, with reasonable tooling already available
[16:30] Geert Uytterhoeven : MikroBUS seems to have the advantage that SPI/I2C/UART functionality is split over multiple pin groups, while PMOD and Grove multiplex it?
[16:31] Christopher Friedt : @Robert: The INI style format was chosen by Project Ara. I think because Python has a built-in handler for it.
[16:31] Geert Uytterhoeven : (ignoring GPIO functionality, which is applicable to all non-power pins)
[16:32] Vaishnav A : Sorry @everyone the recorded demo is a bit long and will have to stop it after the first demo. please have a look at it later, Thank you
[16:34] Drew Fustini : people can finish watching here after the session https://www.youtube.com/watch?v=A3NyEjB5O38&feature=youtu.be
[16:35] Christopher Friedt : @Geert - multiplexing pins would quite likely require something more dynamic within the Greybus Spec
[16:38] Vaishnav A : Also would like to clarify that the over the demo, I have been hotswapping/hotplugging the click boards. we are not trying to provide hotplug support but enable mikrobus as a probeable bus
[16:42] Christopher Friedt : Go ahead Rob
[16:44] Geert Uytterhoeven : Frank: Do you have a link to your latest connector work?
[16:44] Christopher Friedt : Jason has some really good points to make w.r.t. Greybus & mikroBUS.
[16:45] Frank Rowand : the click standard does not address hotpplug
[16:46] Frank Rowand : hotplug would not be safe unless you disabled the pins first
[16:46] Trevor Woerner : @frank if the standard doesn't address it, then it's a "yes"? (lol)
[16:48] Drew Fustini : I should have said probeable
[16:48] Drew Fustini : Vaishnav said it well;
Also would like to clarify that the over the demo, I have been hotswapping/hotplugging the click boards. we are not trying to provide hotplug support but enable mikrobus as a probeable bus
[16:48] Geert Uytterhoeven : Frank: In theory. Recently I saw a live presentation where someone hotplugged the ROM in his Amiga ;-)
[16:48] Drew Fustini : It's annyoing thta I can't see Public Chat and Shared Notes at the same time
[16:49] Drew Fustini : If anyone wants to correct what I'v typed it is over in Shared Notes
[16:49] Christopher Friedt : I wish I had that much screen real-estate!
[16:50] Christopher Friedt : BB.O FTW!
[16:50] Frank Rowand : geert, not yet.  A lot of it is exploring what I can do.  I got bogged down because I was trying to work with both out of tree beagle support and mainline - which have very difference pinmux.  I got bogged down and distracted, but this week I brought my work forward to 5.9-rc1 and am working on it again.  I'll put a very early version on the mail list so people can see what I am thinking.  It might be a week or two because I am in the middle of moving.
[16:51] Geert Uytterhoeven : frank: ok, thx
[16:53] Drew Fustini : Frank: yes, our downstream BB.org images do really weird pinmuxing.  I am trying to get more of that upstream.  I have several changes in 5.9.  I am working write now to develop an alternative to bone-pinmux-helper.
[16:54] Frank Rowand : Drew: thanks.  I'm going to try to work only in mainline and try to ignore the out of tree.
[16:58] Drew Fustini : Yes, good idea.  I will cc on patch when I post it for pinctrl-single.  After talking to Linus W.  I am implementing a debugfs interface that will allow us to kill out-of-tree bone-pinmux-helper
[16:58] Christopher Friedt : I'd like to look into the Thread Commissioning mechanisms a bit more. I think we can incorporate something similar into GB.
[16:58] Stefan Schmidt : @Chris the spec should be open nowadays. But be aware its not simple
[16:58] Christopher Friedt : Same with auth
[16:58] Drew Fustini : And I need to use Geert's wonderful gpio-aggregator so we can kill gpio-of-helper.
[16:59] Stefan Schmidt : and you might need do add MLE. Not sure if I remember correctly though
[17:02] Christopher Friedt : I want purple!
[17:02] Christopher Friedt : Hahahaa...
[17:02] Drew Fustini : OSH Park :)
[17:02] Drew Fustini : my company
[17:03] Stefan Schmidt : sorry, go ahead
[17:03] Drew Fustini : Stefan: thanks for introducing me to Harald Welte.  I got to see the ATUSB warehouse in Berlin :)
[17:05] Stefan Schmidt : @Drew hahah. Must be HUGE ;)
[17:08] Christopher Friedt : Hmm.. - what is the difference between Link-local and Mesh-local?
[17:08] Christopher Friedt : And mesh?
[17:08] Christopher Friedt : OK
[17:23] Christopher Friedt : the + button should have an action to upload a presentation
[17:25] Christopher Friedt : I think we should be ok to go over by a minute or two.
[17:27] Christopher Friedt : Do we have any questions from participants? We could potentially get those lined up in the Public Chat window.
[17:28] Christopher Friedt : We might need to cut the video off early
[17:28] Stefan Schmidt : I would have questions on how spinel
[17:28] Drew Fustini : chris you had a question too
[17:29] Christopher Friedt : I had a question in terms of network throughput. I could take it to a HackRoom later though.
[17:31] Drew Fustini : Michael: thanks for the presentation, please take a look at the shared notes and add anything that you think is important or correct what I wrote
[17:36] Christopher Friedt : BB.O for the win!
[17:37] Stefan Schmidt : IIRC there are alos OpenThread package for Zephyr and RIOT OS
[17:38] Christopher Friedt : @Stefan - Zephyr for sure. It's one of the starred modules. Kate Stewart is also online and she's on the board for Zephyr and also Linux Foundation. I hope we get to hear her perspective as well .
[17:38] Drew Fustini : Michael": do you have a link to your demo video?
[17:39] Christopher Friedt : We should add them to the LPC site - good thinking Drew!
[17:40] Drew Fustini : excited to have Michael Gielda talking about Renode
[17:40] Drew Fustini : It is awesome!
[17:40] Drew Fustini : I finally discovered back in January
[17:40] Kate Stewart : +1  on Michael's work!
[17:40] Drew Fustini : We are only a few hundred km apart :)
[17:42] Christopher Friedt : There is no right way! ;-)
[17:42] Jason Sidebottom : he broke the first rule of linux plumbers
[17:42] Christopher Friedt : If it's your first time at LPC - you have to present! Or I guess that's the 3rd rule?
[17:42] Jason Sidebottom : That's the 3rd rule :P
[17:44] Christopher Friedt : <3 <3 Zepher <3 <3
[17:45] Christopher Friedt : T-shirt please :-)
[17:46] Jason Sidebottom : I haven't really gotten into it yet. I tried it out when it was very new, but couldn't really find anything it did that could make me choose it over FreeRTOS and Nuttx
[17:47] Christopher Friedt : @Michael Magyar: imagine putting together a multi-node SoC Network simulator ?? ;-)
[17:48] Christopher Friedt : Great tool for interoperability testing
[17:49] Jason Sidebottom : Oh, like the one in Contiki?
[17:49] Drew Fustini : fyi - supported boards https://renode.readthedocs.io/en/latest/introduction/supported-boards.html
[17:49] Christopher Friedt : Jason - are you involved in Contiki? I eval'ed it again recently for the Greybus work
[17:50] Christopher Friedt : but had some 6LowPAN / IPv6 issues.  It's hard to keep up with the RFCs these days.
[17:50] Drew Fustini : don'e have $1,000 - you can still use the HiFive Unleashed RISC-V Linux board https://www.sifive.com/boards/hifive-unleashed
[17:50] Jason Sidebottom : No, just used it about 4 years ago and it was nice
[17:51] Jason Sidebottom : Wasn't many good choices for 6lowpan back then
[17:53] Jason Sidebottom : Testing is such a big problem space.
[17:53] Drew Fustini : renode makes it easy to run Linux on RISC-V with a framebuffer https://twitter.com/pdp7/status/1227699717582266370
[17:53] Christopher Friedt : I totally fell in love with Zephyr ;-) Their networking stack is fantastic
[17:54] Christopher Friedt : Did we just lose audio / video?
[17:54] Jason Sidebottom : I did
[17:54] Drew Fustini : i did
[17:54] Stefan Schmidt : frooze
[17:54] Kate Stewart : Hmm,  yes,
[17:55] Jason Sidebottom : You picked up exactly the right point
[17:56] Drew Fustini : Forgot to bring your dev board on a train journey? :) https://twitter.com/pdp7/status/1233799988242763778
[17:58] Christopher Friedt : GDB Remote Serial Protocol for the win ;-)
[17:59] Drew Fustini : shout out to zephyr :)
[18:00] Kate Stewart : :-D
[18:00] Christopher Friedt : \o/
[18:02] Drew Fustini : Framebuffer <3
[18:03] Christopher Friedt : What about BeagleBone Black?
[18:03] Christopher Friedt : Hehe...
[18:04] Drew Fustini : love vexriscv!
[18:06] Christopher Friedt : I wonder if anyone from the RT stream is interested in Renode. A huge benefit of simulation is being able to simulate worst-case scenarios / failure behaviour. Safety-critical was a hot topic this year at LPC
[18:06] Christopher Friedt : #want
[18:07] Stefan Schmidt : fuzzing jitter delays and onteractions? :D
[18:07] Stefan Schmidt : interactions
[18:07] Christopher Friedt : Yes - the communications nerd in me was thinking channels too -)
[18:07] Drew Fustini : https://www.crowdsupply.com/microchip/polarfire-soc-icicle-kit
[18:07] Drew Fustini : but with renode you can start playing now
[18:09] Christopher Friedt : I love being able to test SW + HW in CI. Lots of projects out there now to integrate the two.
[18:11] Kate Stewart : +1
[18:12] Christopher Friedt : A breakpoint for you, a breakpoint for you, a breakpoint for everyone! \o/
[18:14] Jason Sidebottom : Also don't have unlimited supply of JTAG/ISP tools
[18:14] Christopher Friedt : I wonder if Kernel CI / KUnit has picked up the Renode.io thread yet
[18:14] Christopher Friedt : ^^ what Jason said too
[18:15] Jason Sidebottom : That's another yak I've got to shave at some point
[18:16] Drew Fustini : Tensorflow lite demo running in Zephyr on Litex/VexRiscv SoC
https://github.com/antmicro/litex-vexriscv-tensorflow-lite-demo
[18:17] Jason Sidebottom : Ah, Zephyr has an ESP8266 AT driver now. Okay, it's suddenly a lot more interesting to me again.
[18:20] Christopher Friedt : <3
[18:22] Christopher Friedt : kvm? libvirt?
[18:23] Christopher Friedt : +1
[18:23] Christopher Friedt : heheh...
[18:24] Christopher Friedt : Stefan: you are up shortly
[18:25] Christopher Friedt : yes - it's a tradeoff between accuracy and speed
[18:25] Drew Fustini : thanks!
[18:26] Drew Fustini : stefan is a veteran of the You, Me and IoT :)
[18:26] Christopher Friedt : Yes
[18:26] Jason Kridner : yep
[18:26] Michael Gielda : Yes!
[18:27] Christopher Friedt : That's True!!!
[18:27] Michael Gielda : this is awesome
[18:27] Christopher Friedt : lol..
[18:35] Christopher Friedt : I'm interested to know how effective the 15.4 link-layer security is and if it has been adopted widely these days.
[18:40] Drew Fustini : ATUSB http://shop.sysmocom.de/products/atusb
[18:41] Jason Kridner : I'd love to know more about the expectation of allocation of PAN IDs.
[18:41] Christopher Friedt : You can ask via audio
[18:42] Jason Kridner : during Q&A time. :-)
[18:42] Jason Kridner : unless he expects interruptions.
[18:43] Christopher Friedt : he does - already asked for them :-)
[18:43] Drew Fustini : new website https://linux-wpan.org/
[18:44] Christopher Friedt : Aha!
[18:45] Jason Kridner : guess I missed this best window. I'll see if there is another good point to ask about PAN ID.
[18:45] Jason Kridner : What are the other interfaces we should be asking about here? I think this part is important for us (wpanusb).
[18:46] Drew Fustini : Eric Larson?
[18:46] Christopher Friedt : @Jason: also, there was talk earlier about MLM (MAC Layer Management) additions. Michael Magyar & I actually did all of that years ago, but never made patches.
[18:46] Christopher Friedt : Yeah - Eri(k) Larson
[18:47] Jason Kridner : man, did a lousy job asking that question.
[18:47] Christopher Friedt : Michael - do you still have any of that work?
[18:47] Christopher Friedt : Lol..
[18:47] Michael Magyar : @Christopher Friedt I am actually just looking for it!
[18:47] Michael Magyar : I pulled it out a year or so ago and started updating it
[18:47] Christopher Friedt : I vaguely recall it in my GitHub linux fork, but I have no idea where it is now.
[18:48] Christopher Friedt : Technically, it might be possible to put Zephyr into SPI dev mode too
[18:49] Michael Magyar : I'm feeling an urge to complete the beacon, and active scanning MLME primatives from many years ago
[18:49] Christopher Friedt : yes!!!
[18:49] Christopher Friedt : Stefan keeps reminding me to push that stuff upstream Lol...
[18:49] Christopher Friedt : We mentioned it last year as well
[18:49] Christopher Friedt : Maybe you & I can get together and dig through the archives.
[18:49] Christopher Friedt : It was practically done.
[18:50] Christopher Friedt : A UI similar to Network Manager would also be fantastic.
[18:50] Michael Magyar : that is my recollection as well. We could do ED and Active scans, and successfully pass beacon data into wpan-tools
[18:50] Jason Kridner : Too bad Koen isn't here.
[18:50] Christopher Friedt : Right - there was the kernel side, and then wpan-tools.
[18:50] Christopher Friedt : I think I found the wpan-tools, but I'm not sure if I have the kernel side any longer
[18:51] Christopher Friedt : Hahahaha...
[18:51] Christopher Friedt : that's what we were just discussing
[18:52] Michael Magyar : looks like my github bluetooth-next is a fork from yours. This branch https://github.com/magyarm/bluetooth-next/tree/feature/nl802154-get-active-scan-req and https://github.com/magyarm/bluetooth-next/tree/feature/nl802154-beacon looks to be it
[18:52] Drew Fustini : chris - just noticed, that LPC shirt is nice design!
[18:53] Christopher Friedt : "LPC 2020 I WAS THERE (ALMOST)"
[18:53] Drew Fustini : hah :)
[18:53] Michael Magyar : @Stefan Schmidt you are inspiring me to look at that work again
[18:53] Christopher Friedt : Michael Magyar <3 <3 <3
[18:54] Christopher Friedt : Sending those links to linux-wpan right now
[18:54] Michael Magyar : i imagine it might need some clean up before it's usable. Last commit was 2015...
[18:55] Christopher Friedt : Those were the days ;-)
[19:11] Rob Herring : https://chat.2020.linuxplumbersconf.org/channel/you-me-and-iot-two-mc
[19:11] Drew Fustini : https://chat.2020.linuxplumbersconf.org/channel/you-me-and-iot-two-mc/thread/mKhaR7kDYhLRnRtZr
[19:11] Jason Kridner : https://chat.2020.linuxplumbersconf.org/channel/you-me-and-iot-two-mc
[19:11] Christopher Friedt : thank you!
[19:11] Rob Herring : Don't mind that mine asks for a credit card. ;)
[19:12] Jason Kridner : you should make a poll!
[19:12] Rob Herring : You, three, and IoT
[19:12] Christopher Friedt : IoThree's Company
[19:14] Jason Kridner : Frank Rowand: I mentioned over voice that we were asking device-tree sockets in the "chat room" as opposed to this "public chat" for the presentations.
[19:26] Jason Sidebottom : Loss of a great project name, though :'(
[19:33] Jason Kridner : we were just *users* of gbsim.
[19:34] Jason Kridner : folks on Project Ara made it.
[19:34] Jason Kridner : (like our friends at Konsulko, like Matt Porter)
[19:40] Mohammed Billoo : How do mfds compare to greybus? Is it apples to oranges?
[19:40] Mohammed Billoo : (multi-function devices)
[19:41] Jason Kridner : yeah, pretty apples/oranges.
[19:41] Nikolai Kondrashov : I bet it doesn't support RFC 1149
[19:42] Jason Kridner : mfd isn't make non-discoverable buses discoverable, nor does it make transports arbitrary.
[19:42] Jason Kridner : if you want Chris to answer, I think you can turn on your audio/video and ask him.
[19:43] Jason Kridner : Nikolai: nice one. I think we'll have to making a YouTube demo of that one! :-D
[19:44] Jason Kridner : love that the date on that RFC is April 1.
[19:44] Drew Fustini : vogelbus
[19:45] Kate Stewart : 8K
[19:47] Nikolai Kondrashov : @Jason Kridner 🐦 :D
[19:48] Jason Kridner : https://github.com/jadonk/beagleconnect (not intended for bloggers)
[19:48] Kate Stewart : repo link?
[19:48] Kate Stewart : thanks
[19:48] Jason Kridner : Product name not final. BeagleConnect will be a technology/family.
[19:48] Jason Kridner : possibly "BeagleConnect Leash" for first product. TBD.
[19:49] Jason Kridner : if asked by bloggers, I will deny everything! ;-)
[19:50] Jason Kridner : today, it is for community collaboration.
[19:52] Stefan Schmidt : SCNR
[19:53] Stefan Schmidt : Just found them in the speaker package
[19:59] Drew Fustini : https://linuxplumbersconf.org/event/7/contributions/814/attachments/672/1239/Using_Linux_Zephyr_and_Greybus_for_IoT_slides.pdf
[19:59] Kate Stewart : Thanks Drew!
[20:00] Drew Fustini : Blink an LED using Linux, Zephyr & Greybus via IEEE 802.15.4 https://www.youtube.com/watch?v=hd60CbiUN1g&feature=youtu.be
[20:00] Jason Kridner : The i2cdetect is a fun one to see. :-)
[20:01] Drew Fustini : Blink and LED using Linux, Zephyr, & Greybus via Bluetooth https://www.youtube.com/watch?v=Y_6y6gpZ2GA&feature=youtu.be
[20:01] Jason Kridner : oops. sorry, forgot about the background noise. so used to it. :-D
[20:01] Drew Fustini : Using Linux, Zephyr, & Greybus for IoT with the CC1352R SensorTag https://www.youtube.com/watch?v=6SNkjiDJ3KY&feature=youtu.be
[20:01] Jason Kridner : /me had dad-filter installed.
[20:05] Drew Fustini : Current development branch for Greybus in Zephyr https://github.com/cfriedt/zephyr (branch greybus-service-lpc2020) 
Zephyr Getting Started Guide / Slack https://docs.zephyrproject.org/latest/getting_started/index.html 
BeagleConnect (Hardware Rev C) / Slack https://github.com/jadonk/beagleconnect
[20:08] Jason Kridner : chat: https://chat.2020.linuxplumbersconf.org/channel/you-me-and-iot-two-mc
[20:08] Jason Kridner : might need to log in
[20:09] Drew Fustini : https://chat.2020.linuxplumbersconf.org/channel/you-me-and-iot-two-mc/thread/mKhaR7kDYhLRnRtZr
[20:09] Vaishnav A : Hi Chris I'm here
[20:10] Jason Sidebottom : Not going to join the photo?
[20:11] Stefan Schmidt : Vaishnav group photo time :-) enable yout wecam
[20:11] Vaishnav A : Unfortunately I am not able to share video
[20:11] Stefan Schmidt : ah, ok
[20:11] Jason Sidebottom : That's a shame. I'm sure they can photoshop you in later :D
[20:11] Stefan Schmidt : Thanks for organising!
[20:11] Jason Sidebottom : Thanks for the presentations and chats
[20:12] Vaishnav A : :D
[20:13] Jason Kridner : Frank! You around?