April 2015 - OvmsDev - Open Vehicles

OVMS logo
by Mark Webb-Johnson 06 Jun '17

06 Jun '17

We need to change the OVMS logo, to better reflect the vehicle independence. The existing logo is too much Tesla. Felix has kindly prepared a couple of options for us, attached below. My preference is for the one with the car outline (even though it retains a hint of Tesla), as it emphasizes the vehicle comms aspect. This is quite urgent, as the Teslive people are pushing for artwork. What do you guys/gals think? Regards, Mark

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OVMS v3
by Mastro Gippo 19 May '17

19 May '17

Hi all, I'd like to resurrect an old conversation. As we know, the current PIC is quickly running out of resources and maybe it's time to switch to a better platform. Two CAN buses are now desirable too. A microSD slot and direct USB connectivity wouldn't hurt either. I will probably have to design a similar hardware for myself, so I'd like to contribute to the OVMS by sharing the HW platform if you want; no strings attached of course, if you decide that there's no need for the upgrade, I'll keep on working on my project by myself! :) That said, I'd like to throw a few ideas to the table. - MCU: I'd like to use an STM32 micro. They seem to be emerging as the standard choice for diy ARM projects, and this offers a few interesting opportunities: -Programming it in c/c++ with the manufacturer CMSIS standard libraries (boring) -Programming it with the mbed.org SDK. Unfortunately no dev boards are available with dual CAN bus, but it will be easy to move to the correct micro of the same series once most of the software is ironed out on a dev board like the https://mbed.org/platforms/ST-Nucleo-F302R8/ -Programming it with an RTOS. NuttX would be my choice, as it's the one used in the Ardupilot Pixhawk platform, and I'd like to learn it. This would mean a steeper starting curve, but a lot of flexibility later as a lot of stuff is handled on the OS level (network stacks, SD card & filesystems, multitasking...). FreeRTOS is a nice option too. I'd like to use the STM32F405RG as it's the most similar to the one found on the Pixhawk, but of course I'm biased because of that, and that micro is quite overkill for the task. We can of course use a lower specced part and lose some RTOS fuctionality as long as it has 2 CAN buses. - MODEM: I have no experience in this field; is the SIM908 still a good choice or does anyone think that we should try new platforms? I like this, but I don't know if the price puts it out of budget: http://www.telit.com/telit/Pulsar/en_US.Store.display.1001./ge864-gps On the bright side, it can be programmed in python, so we can offload some of the work to the modem. This *could* allow us to free some space on the PIC, and keep that platform without changing MCU.. - Enclosure: I think that, even with the new MCU, we can still fit the old enclosure. Is that ok, or should we think about a more automotive-friendly one? Maybe waterproof for the twizy? And that's it. I think that the core SW developers should voice their opinion, as there is a lot of work to be done on that front. A huge problem will be keeping backwards compatibility to add features for the v2 users, so we should discuss about this too. Regards MG

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Building with free C18 compiler
by Matt Beard 19 Nov '15

19 Nov '15

Have I missed a decision to no longer support the free C18 compiler - or has it been like that for ages? I am trying to fix an issue in the iMiev code, but can no longer build 2.6.5 due to needing the full compiler and no way am I paying £300 for it. Matt Beard

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C2DM is deprecated, no new sign-ups
by Lee Howard 16 Nov '15

16 Nov '15

I've got my own OVMS server going. However, I wasn't seeing notifications on my phone (Android) since moving away from tmc.openvehicles.com. Looking at the ovms_server.pl code it appears that ovms_server.conf requires this section: [c2dm] email=<email> password=<password> accounttype=<unknown> [This "c2dm" section, along with the "server", "master", and "log" sections are undocumented in the docs/HOWTO.server.txt file.] Okay, so it would seem that I need to set-up a C2DM account with Google and put that info into the conf file. But, Google has deprecated C2DM in favour of Google Cloud Messaging (GCM), and Google is not granting any new C2DM accounts... http://developer.android.com/google/gcm/c2dm.html Is the C2DM account used by tmc.openvehicles.com a generic account that can be used by other OVMS servers? I suspect that it is a private account. If so, then push notifications for Android users on independent servers will necessarily require a transition to GCM. Thanks, Lee. -- *Lee Howard* *Mainpine, Inc. Chief Technology Officer* Tel: +1 866 363 6680 | Fax: +1 360 462 8160 lee.howard(a)mainpine.com | www.mainpine.com

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I could use some help integrating Tasker-support
by Jille Berends 25 Jun '15

25 Jun '15

Hi all, I'm in the process of integrating Tasker support in OVMS for Android. For those who don't know about Tasker: "Tasker is an application for Android which performs *tasks* (sets of actions) based on *contexts* (application, time, date, location, event, gesture) in user-defined profiles or in clickable or timer home screen widgets. " Currently I use it to automate all kinds of things, like turning on the lights of my house when my phone sees my access point. But it can also be used to add additional intelligence to our cars. For instance: - User gets the possibility to charge by schedule. For instance: When at a certain location, charge at 16A from 1:00 to 5:00. charge at 32A at other times. - OVMS-triggered events: Upon charge done, have something happen on the phone. For instance: play a song, send an email, tweet or whatever. Also, in case you're driving and OVMS reports a SOC below a certain value, start the app that finds the nearest charger - Open up variables (like temperature/SOC) for use in Widget-tools like Zooper. - Even more advanced ACC: Set the "charge done by" time according to a given day/time/location. - Log location/charge/speed/temperature data to phone/web - Enable voice control of charging - et cetera My devskills aren't that advanced, so I hope there's someone here I can team up with to get this thing going. Some basic info on enabling Tasker support: http://tasker.dinglisch.net/developers.html http://tasker.dinglisch.net/plugins-intro.html

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Open Vehicles for Android - invitation to translate
by Jille Berends 20 Apr '15

20 Apr '15

Hi all, I created a Crowdin project to translate the strings.xml for French, German, Norwegian and Dutch. Feel free to contribute here: https://crowdin.com/project/open-vehicles-android/invite?d=d5b5361585h517l4…

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Open Vehicles for Android GUI
by Jille Berends 15 Apr '15

15 Apr '15

I've been messing around with the main user interface for some time now, especially since the last few updates added some more information to the application itself. Personally, I think it's best when the interface is balanced and consistent. I opted for a full material-style redesign in the past, but I guess that's still a bridge too far (mockup of such a design: https://cloud.githubusercontent.com/assets/8352494/6771294/cca57a1c-d0db-11…) . So far I've updated the connector (already released), and now I'm working on the data representation. See the included screenshot. There is a lot of room for other data, like for instance current ACC status, or maybe even a small voltage history graph, temperatures, or something like that. Ideas are welcome, even if they sounds like "keep it the way it was because I hate change" ;-)

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Twizy firmware 3.5.2 / Android version 3.10.0
by Michael Balzer 15 Apr '15

15 Apr '15

*Twizy firmware 3.5.2:* - STAT odometer output precision 10th km/mi - Reset battery monitor on charge start - Battery monitor MTU optimization (RT-BAT-P/C messages) - GPS log extended by twizy_status - Fixed cyclic distance counter init at switch-on Binary: |http://dexters-web.de/f/tw/OVMS-Twizy-3.5.2.zip| *Android version 3.10.0:* Note: this version needs the new Twizy module firmware 3.5.2 for the Twizy charts (battery & power/energy). - Temperature unit "Fahrenheit" selectable (car options menu, thanks to https://github.com/frantek) - Locale updates (thanks to https://github.com/jilleb) - Twizy: power & energy usage history charts (screenshot attached) - Twizy: battery history updated for firmware 3.5.2 - Twizy: battery history settings now saved in app prefs - MPAndroidChart lib version 2.0.9 APK: |http://dexters-web.de/f/tw/oVMS-release-3.10.0.apk |||Source: https://github.com/openvehicles/Open-Vehicle-Android | | -- Michael Balzer * Paradestr. 8 * D-42107 Wuppertal Fon 0202 / 272 2201 * Handy 0176 / 206 989 26

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Cheap worldwide data SIM
by Mastro Gippo 08 Apr '15

08 Apr '15

To anyone's interested in a SIM, there's a kickstarter selling a 5$ SIM with 6 months (6MB) of data included, and ~1$/1MB/1month plans: https://www.kickstarter.com/projects/konekt/konekt-dash-cellular-dev-kit-fr… On an slightly unrelated note, a few days ago I had a chat with Mark about the new hardware version. I have some work to do this week but after that I'll get some ideas together and post them so we can discuss. Regards, MG

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Android version 3.9.2
by Michael Balzer 05 Apr '15

05 Apr '15

Version 3.9.2: - Added help/info display to battery charts - Battery & diag logs tool: convert server UTC timestamps to local time - MPAndroidChart library extended to support LimitLines on XAxis - Battery pack chart: added usage/charging section markers APK: http://dexters-web.de/f/tw/oVMS-release-3.9.2.apk Source: https://github.com/openvehicles/Open-Vehicle-Android/commits/master -- Michael Balzer * Paradestr. 8 * D-42107 Wuppertal Fon 0202 / 272 2201 * Handy 0176 / 206 989 26

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