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Today's Topics:

   1. Re: OVMS v3 - Microcontroller (Mark Webb-Johnson)
   2. Re: OVMS v3 - Microcontroller (Mark Webb-Johnson)


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Message: 1
Date: Tue, 2 Feb 2016 09:07:47 +0800
From: Mark Webb-Johnson <mark@webb-johnson.net>
Subject: Re: [Ovmsdev] OVMS v3 - Microcontroller
To: OVMS Developers <ovmsdev@lists.teslaclub.hk>
Message-ID: <9C27858A-DFEF-4699-B7EC-6AEE34B28439@webb-johnson.net>
Content-Type: text/plain; charset="utf-8"

Dominik,

The idea is to make the cellular modem an (optional) plug-in board. This is necessary for two reasons:

a) Technology changes (2G->3G->4G).
b) Universal modems (such as quad band 2G that work everywhere in the world) aren?t really possible in the 3G/4G space, so we need different modems for different parts of the world.

Happy to look at both 3G and 4G options as the time draws near. Quite frankly, there are a huge number of options out there for this. I consider this one of the easiest parts of the project.

Regards, Mark.

> On 2 Feb 2016, at 1:51 AM, Dominik Westner <ovms@nikwest.de> wrote:
>
> Generally I think 3G doesn?t make a lot of sense. A new platform should be 4G capable. As far as I know 2G is more likely to stay longer than 3G.
> I know already some areas in Germany and Austria where you can find 4G and maybe 2G, but no 3G.
>
> For example seeedstudio retargeted their Rephone 3G module to 4G after some investigations about the future of 3G.
> (https://www.kickstarter.com/projects/seeed/rephone-kit-worlds-first-open-source-and-modular-p/posts/1468366 <https://www.kickstarter.com/projects/seeed/rephone-kit-worlds-first-open-source-and-modular-p/posts/1468366>)
>
> Just my 2 cents
>
> Dominik
>
>> On 01 Feb 2016, at 18:30, Arthur Hebert <ahebert@gmail.com <mailto:ahebert@gmail.com>> wrote:
>>
>> The Particle Electron has recently caught my attention: https://www.particle.io/cellular <https://www.particle.io/cellular>. Actual performance and usability are unknown, since the first units don't ship until later this month, but it has some attractive features:
>> low-cost M2M-oriented international SMS/data plans ($3/mo. for 20k messages)
>> STM32F205 MCU with 1MB flash, 128k RAM and 2 CAN buses
>> free development IDE: https://www.particle.io/dev <https://www.particle.io/dev>
>> also a free web-based dev environment at https://build.particle.io <https://build.particle.io/> (I assume/hope this will support the Electron cellular board when it comes out)
>> I know it doesn't come close to meeting the RAM requirements, but the cellular plan is a pretty big draw IMO. Perhaps worth using this module in conjunction with another board with a better MCU?
>>
>> -Arthur
>>
>
> _______________________________________________
> OvmsDev mailing list
> OvmsDev@lists.teslaclub.hk
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Message: 2
Date: Tue, 2 Feb 2016 09:13:30 +0800
From: Mark Webb-Johnson <mark@webb-johnson.net>
Subject: Re: [Ovmsdev] OVMS v3 - Microcontroller
To: OVMS Developers <ovmsdev@lists.teslaclub.hk>
Message-ID: <2F3AE221-BF35-4736-B5D6-E9ACDCE533B2@webb-johnson.net>
Content-Type: text/plain; charset="utf-8"

Michael,

That is the general idea. Provide a base platform that people could use for all sorts of things.

But, the choice of operating system and platform type has a big bearing on this. If we want to do things like instrument clusters, infotainment, car PCs, etc, then the platform is very different than one intended as an embedded CAN gateway. The processor power requirement to take 4 video streams and real-time stitch them into a single overhead camera view, is non trivial. There is a conflict there for the low power requirement.

Regards, Mark.

> On 2 Feb 2016, at 3:30 AM, Michael Eymann <Michael.Eymann@networkz.de> wrote:
>
> All,
>
> what about opening our garden, providing a public park which could be used for several features beside the scope of this group?
>
> 3G/4G Wlan Bluetooth GPS whatever could be added / replaced easily?.
>
> what i mean is vocabulary like:
> - raspberry pi
> - CarPI (CarPC)
> - OBD - smartphone speedometer gadgets (sure really useless - but the mainstream love it)
> - Harry?s laptimer support (http://www.gps-laptimer.de <http://www.gps-laptimer.de/>) // video: Harry's LapTimer GPS/OBD II Video Overlay - Nordschleife with 911 GTS <https://www.youtube.com/watch?v=fTCNhmsFZBE> https://www.youtube.com/watch?v=fTCNhmsFZBE <https://www.youtube.com/watch?v=fTCNhmsFZBE>
> - Wlan.. repeater - hotspot? (my favorit)
>
> this could also enable add on development?.
> - spotify
> - surround view parking (raspian & openCV?) // AVM: AVM (Around View Monitoring /monitor ) 4CH camera become 360 degree Parking Guidance System <https://www.youtube.com/watch?v=1Q9iVoSvjGk> https://www.youtube.com/watch?v=1Q9iVoSvjGk <https://www.youtube.com/watch?v=1Q9iVoSvjGk>
> - KITT Watch - car call?
> - replace Infotainment systems
> - SmartAutomation like OpenHab integration (They call it ?Binding? - Tesla Model S Binding is already integrated - did they overtake us? ;-) http://www.openhab.org <http://www.openhab.org/>
>
>
>
> views?
>
> Michael
>
>
> Am 01.02.2016 um 18:51 schrieb Dominik Westner <ovms@nikwest.de <mailto:ovms@nikwest.de>>:
>
> Generally I think 3G doesn?t make a lot of sense. A new platform should be 4G capable. As far as I know 2G is more likely to stay longer than 3G.
> I know already some areas in Germany and Austria where you can find 4G and maybe 2G, but no 3G.
>
> For example seeedstudio retargeted their Rephone 3G module to 4G after some investigations about the future of 3G.
> (https://www.kickstarter.com/projects/seeed/rephone-kit-worlds-first-open-source-and-modular-p/posts/1468366 <https://www.kickstarter.com/projects/seeed/rephone-kit-worlds-first-open-source-and-modular-p/posts/1468366>)
>
> Just my 2 cents
>
> Dominik
>
>> On 01 Feb 2016, at 18:30, Arthur Hebert <ahebert@gmail.com <mailto:ahebert@gmail.com>> wrote:
>>
>> The Particle Electron has recently caught my attention: https://www.particle.io/cellular <https://www.particle.io/cellular>. Actual performance and usability are unknown, since the first units don't ship until later this month, but it has some attractive features:
>> low-cost M2M-oriented international SMS/data plans ($3/mo. for 20k messages)
>> STM32F205 MCU with 1MB flash, 128k RAM and 2 CAN buses
>> free development IDE: https://www.particle.io/dev <https://www.particle.io/dev>
>> also a free web-based dev environment at https://build.particle.io <https://build.particle.io/> (I assume/hope this will support the Electron cellular board when it comes out)
>> I know it doesn't come close to meeting the RAM requirements, but the cellular plan is a pretty big draw IMO. Perhaps worth using this module in conjunction with another board with a better MCU?
>>
>> -Arthur
>>
>
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> OvmsDev@lists.teslaclub.hk <mailto:OvmsDev@lists.teslaclub.hk>
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>
> _______________________________________________
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