Just fixing myself: there are some small JVM for MCU... I found one called haikuVM (bad name, since it is not related to HaikuOS).
The other option is uJ that seems very interesting: https://dmitry.gr/?r=05.Projects&proj=12.%20uJ%20-%20a%20micro%20JVM BR, Alan On Friday, January 5, 2024, Alan C. Assis <acas...@gmail.com> wrote: > Hi Christofer, > > Cool, I think that date is fine! > > Is there some TsFile implementation in C? I think the issue of it been in > Java is because we don't have a small JVM able to run on microcontrollers. > I think in the past there was Waba and SuperWaba for Palm, but even that > was too big to run on STM32. Maybe it can run on ESP32. > > BR, > > Alan > > On Friday, January 5, 2024, Christofer Dutz <christofer.d...@c-ware.de> > wrote: > >> Hi Alan, >> >> >> >> Well in that case, that’s unfortunate. I just found the information on >> the proposed dates and it’s gonna be the 22.10.-24.10.2024 which is >> actually 12 days after Community over Code NA … so possibly it could work >> for you guys, right? >> >> And I fully agree with running IoTDB on embedded … that’s totally out of >> scope, but TsFile is going to be super small … it’s just the part that >> writes timeseries data into so-called TsFiles (these can be of any size) … >> so the idea is to collect data on the device in TsFiles and then send them >> off in a chunck to an IoTDB instance to work with the data. >> >> >> >> Chris >> >> >> >> >> >> *Von: *Alan C. Assis <acas...@gmail.com> >> *Datum: *Donnerstag, 4. Januar 2024 um 23:23 >> *An: *Christofer Dutz <christofer.d...@c-ware.de> >> *Cc: *dev@nuttx.apache.org <dev@nuttx.apache.org>, Christofer Dutz < >> cd...@apache.org> >> *Betreff: *Re: Interest in an Apache IoT Track at EclipseCon EU in Mainz >> (Germany) later this year? >> >> Hi Christofer, >> >> I think many people could be interested in participating, but I'm afraid >> about the dates because you think it could be 4 weeks before Apache >> Community Over Code NA that is supposed to happen October 7-10, 2024 in >> Denver, CO. >> >> >> >> It will be very close to our VI NuttX International Workshop (that >> normally happens at the end of September see: >> https://events.nuttx.apache.org ). >> >> >> >> Although this year the workshop will return to the North Hemisphere >> (Japan or China), so maybe it could happen in June/July during the summer. >> >> >> >> Do you think it is okay to present the same/similar talk on both events? >> >> >> >> I saw about Apache TsFile and IoTDB a few days ago, when I was looking >> for Apache IoT projects. >> >> >> >> Actually what they call "light weight" is too big to run on small >> microcontrollers (few KBs vs dozens MBs). >> >> >> >> I listed some good DB alternatives to use on NuttX here: >> https://acassis.wordpress.com/2022/03/15/list-of-small-dbs/ >> >> >> >> Note that SQLite and QDBM are already used by companies running NuttX on >> their products. >> >> >> >> Best Regards, >> >> >> >> Alan >> >> >> >> On Thu, Jan 4, 2024 at 1:53 PM Christofer Dutz <christofer.d...@c-ware.de> >> wrote: >> >> Hi Alan, >> >> >> >> no, I didn’t forget to send the link, because there actually shouldn’t be >> a link just yet. >> >> We’re still in the phase of discussing, if we should do this. It only >> makes sense to continue planning, if there is enough interest from the >> Apache side. And that’s what I’m currently reaching out for: Would there be >> enough interest to attend or to even submit talks to this sort of event. >> >> >> >> And yeah … I’m the PLC4X guy with the plush civet ;-) >> >> >> >> And yeah … I already stated digging on what NuttX is, as I think it might >> be interesting running PLC4X (PLC4Rust or PLC4C) on it … and possibly the >> brand new Apache TsFile. >> >> >> >> Chris >> >> >> >> >> >> *Von: *Alan C. Assis <acas...@gmail.com> >> *Datum: *Donnerstag, 4. Januar 2024 um 15:32 >> *An: *dev@nuttx.apache.org <dev@nuttx.apache.org>, Christofer Dutz < >> cd...@apache.org> >> *Betreff: *Re: Interest in an Apache IoT Track at EclipseCon EU in Mainz >> (Germany) later this year? >> >> Hi Christofer, >> >> Thank you for bringing this to our attention! >> >> I think you forgot to send the submission link, because there is no >> reference to that conference at https://www.eclipsecon.org >> >> BTW, I think you are the guy from Apache PLC4X, right? >> I think it could be integrated on NuttX (at least the plc4c) inside >> apps/industry/ subdirectory. >> >> >> >> This any anyone with a board supported by NuttX (currently we have more >> than 300 boards) will be able to test PLC4X (main focus should be boards >> with Ethernet or WiFi and RS-485). >> >> >> >> Best Regards, >> >> >> >> Alan >> >> >> >> On Thu, Jan 4, 2024 at 10:03 AM Christofer Dutz <cd...@apache.org> wrote: >> >> Hi folks, >> >> I was contacted by some of my friends in the IoT Space at the Eclipse >> Foundation. >> >> They are planning this year's EclipseCon to work closer together with the >> other foundations in this space and proposed an Apache IoT Track in paralel >> to the EclipseCon. This will be happening in Mainz in Germany I think 4 >> weeks before Community Over Code NA. >> >> I promised to reach out to the projects I know at Apache that count to >> the IoT space. >> >> I really liked the idea of networking with the other foundation's >> projects as I think this is something happening far too little. >> >> So would you folks be interested in submitting talks and attending such a >> conference? >> >> Also the CFP for CoC EU in Bratislava is only open for a few more days >> and so far the IoT related submissions have been ... let's say ... less >> than I was hoping for. >> >> So if you folks are planning on submitting: Do your track-chair (me) a >> favor and don't submit on the last day ... it's always a hastle to whip up >> a schedule if you can't do it in an orderly way, but get "shot by what's >> there" on the last day. >> >> Looking forward to feedback, >> >> Chris >> >> PS: Please keep me In CC as I'm not subscribed here. >> >>
