[Ovmsdev] Collecting information on the Fiat 500e

Thu Feb 14 05:20:11 HKT 2019

Hello Guenther,

I have check your file with an editor dbc
[image: image.png]

And this is the error it see.

regards,

Olivier

Le mer. 13 févr. 2019 à 20:13, Guenther Huck <privat at guentherhuck.at> a
écrit :

> Hello Mark
>
> I tried to load the dbc  file (test.dbc) from 500e to OVMS 3 but always
> get the error message :
> “Error: Failed to load DBC 500e from /sd/dbc/test.dbc”
>
> I can load a example file from leafpowertrain but not file from 500e.
>
> Maybe you can help me to find the mistake?
>
> Guenther
>
> *From:* Mark Webb-Johnson <mark at webb-johnson.net>
> *Sent:* Tuesday, February 12, 2019 6:12 AM
> *To:* OVMS Developers <ovmsdev at lists.openvehicles.com>
> *Subject:* Re: [Ovmsdev] Collecting information on the Fiat 500e
>
> Guenther,
>
> With the latest code (3.2.001-80-g731c916e or later), you should be able
> to try this. Instructions are pretty much the same as previously given:
>
>
>    1. Put your DBC file in /store/dbc/<vehicletype>.dbc
>
>    2. Load the DBC:
>
>    ovms# dbc load <vehicletype> /store/dbc/<vehicletype>.dbc
>
>    (or ‘dbc autoload’ to load all DBC files in that directory)
>
>    Note: It should be automatically loaded on boot, and you can use ‘dbc
>    list’ to confirm.
>
>    3. Configure your vehicle type and assign the DBC to CAN bus #1 for it:
>
>    config set auto vehicle.type DBC
>    config set vehicle dbc.can1 <vehicletype>
>
>
> Within the DBC, set the signal name the same as the OVMS metric name (you
> can use periods ‘.’ as separators, or ‘_’ will be converted automatically
> for you). Connect to the car, and the CAN bus data should start to be
> processed and metrics updated based on your DBC file. Only integer DBC
> signals are supported (either signed or unsigned should be ok), but factors
> and/or offsets can convert these automatically to floats.
>
> At the moment, you can only change the DBC on disk (/store/dbc/*.dbc) then
> reload it. However, it will be locked (as it is used by your OvmsVehicleDBC
> vehicle) . So you will have to either clear the vehicle module (‘vehicle
> module’), reload the DBC, then reload the vehicle module (‘vehicle module
> DBC’). Alternatively, you can simply reboot the OVMS. Later on I will
> improve on this to support hot-reloading and in-memory modification of live
> DBC files (via retool).
>
> Remember that extended CAN IDs need to have the high bit set in DBC
> format. So, extended ID 100 is 2147483748 (2^31 + 100).
>
> Regards, Mark.
>
> On 11 Feb 2019, at 11:35 AM, Mark Webb-Johnson <mark at webb-johnson.net>
> wrote:
>
> Guenther,
>
> The code is not finished yet, so no documentation at the moment. I will
> document it when it is working.
>
> The overall plan (for a single CAN bus, single DBC, for example) is:
>
>
>    1. Put your DBC file in /store/dbc/<vehicletype>.dbc.
>
>    2. You should now find it automatically loaded on boot. You can use
>    ‘dbc list’ to confirm.
>
>    3. config set vehicle dbc.can1 <vehicletype>
>
>    4. Configure your vehicle type as “DBC”.
>
>
> The above is close to completion - just waiting for the decode function
> which I am struggling with (eMail sent to ovmsdev mailing list earlier
> today).
>
> The retools system will have facilities to maintain DBC files (in memory)
> and save them back to disk. It will also use DBC files as its main way of
> working with messages.
>
> Regards, Mark.
>
> On 11 Feb 2019, at 12:38 AM, Guenther Huck <privat at guentherhuck.at> wrote:
>
> Thank you Mark!
>
> But my question was if there is a manual how I can use the dbc file in
> OVMS 3.
>
> I cannot find a description.
>
> Guenther
>
> *From:* Mark Webb-Johnson <mark at webb-johnson.net>
> *Sent:* Friday, February 08, 2019 12:57 AM
> *To:* OVMS Developers <ovmsdev at lists.openvehicles.com>
> *Subject:* Re: [Ovmsdev] Collecting information on the Fiat 500e
>
> This is quite good:
>
>
> http://socialledge.com/sjsu/index.php/DBC_Format
>
>
> There are a large number of examples here:
>
>
> https://github.com/commaai/opendbc
>
>
> (although many are not 100% standards conformant, so will not parse
> correctly)
>
> Attached is the formal specification.
>
> Regards, Mark.
>
>
> ------------------------------
>
> On 8 Feb 2019, at 12:35 AM, Guenther Huck <privat at guentherhuck.at> wrote:
>
> Is there somewhere in the net a manual how to make a dbc-file impemention?
>
> Thx Guenther
>
> *From:* Mark Webb-Johnson <mark at webb-johnson.net>
> *Sent:* Thursday, February 07, 2019 2:44 PM
> *To:* OVMS Developers <ovmsdev at lists.openvehicles.com>
> *Subject:* Re: [Ovmsdev] Collecting information on the Fiat 500e
>
> This also looks to be a good candidate for a DBC implementation. That way,
> no coding required, and Gunther can tune and add metrics himself.
> With the iOS App done, and now in testing, I am back working on DBC and RE
> tools. Made some progress these last two days (Chinese new year holidays
> here), and hoping to have something usable this weekend.
>
> But, need those crtd can bus dumps to validate it.
>
> Regards, Mark
>
> On 6 Feb 2019, at 9:12 PM, Mark Webb-Johnson <mark at webb-johnson.net>
> wrote:
>
> I think it best to also get a few CAN dumps:
>
>
>    1. While car is parked, idle, asleep
>    2. While car is parked, but awake
>    3. While car is driving
>
>
> These should be in CRTD format.
>
> They will allow us to double-check the actual CAN bus traffic to ensure it
> matches what is shown in the spreadsheet.
>
> Regards, Mark.
>
> On 6 Feb 2019, at 8:55 PM, Guenther Huck <privat at guentherhuck.at> wrote:
>
> Hello Michael
>
> That’s perfect! Ich can send you some more CAN-ID’S. Tell me what is
> important for the first implementation.
>
> <image[3].png>
>
> <image[7].png>
>
> <image[10].png>
>
> <image[13].png>
>
> <image[16].png>
> *From:* Michael Balzer <dexter at expeedo.de>
> *Sent:* Wednesday, February 06, 2019 12:55 PM
> *To:* ovmsdev at lists.openvehicles.com
> *Subject:* Re: [Ovmsdev] Collecting information on the Fiat 500e
>
> Günther,
>
> yes, that looks sufficient.
>
> It's always best if an actual vehicle user does the code, but we can
> provide a first basic implementation to build upon.
>
> Regards,
> Michael
>
>
> Am 05.02.19 um 18:22 schrieb Guenther Huck:
>
> Is this ok?
>
> <image[2].png>
>
> *From:* Guenther Huck <privat at guentherhuck.at>
> *Sent:* Tuesday, February 05, 2019 6:06 PM
> *To:* OVMS Developers <ovmsdev at lists.openvehicles.com>
> *Subject:* Re: [Ovmsdev] Collecting information on the Fiat 500e
>
> Hello Mark
>
> I have a Fiat 500e and asked if there is anybody who is firm with the CAN
> Id’s.
>
> In the meantime I have some CAN informations for Fiat 500e  and can give
> to you or somebody who is familiar to programm the OVMS for this car.
> I don’t have enough experiance to programm this. Sorry!
>
> What informations to you need to insert this car to your project ?
>
> Guenther
>
>
>
> _______________________________________________
> OvmsDev mailing listOvmsDev at lists.openvehicles.comhttp://lists.openvehicles.com/mailman/listinfo/ovmsdev
>
>
>
> --
> Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
> Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
>
>
> ------------------------------
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>
>
>
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>
>
> ------------------------------
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>
>
>
> ------------------------------
> This is quite good:
>
> http://socialledge.com/sjsu/index.php/DBC_Format <
> http://socialledge.com/sjsu/index.php/DBC_Format>
>
> There are a large number of examples here:
>
> https://github.com/commaai/opendbc <https://github.com/commaai/opendbc>
>
> (although many are not 100% standards conformant, so will not parse
> correctly)
>
> Attached is the formal specification.
>
> Regards, Mark.
>
>
>
> > On 8 Feb 2019, at 12:35 AM, Guenther Huck <privat at guentherhuck.at>
> wrote:
> >
> > Is there somewhere in the net a manual how to make a dbc-file
> impemention?
> >
> > Thx Guenther
> >
> > From: Mark Webb-Johnson <mailto:mark at webb-johnson.net
> <mark at webb-johnson.net>>
> > Sent: Thursday, February 07, 2019 2:44 PM
> > To: OVMS Developers <mailto:ovmsdev at lists.openvehicles.com
> <ovmsdev at lists.openvehicles.com>>
> > Subject: Re: [Ovmsdev] Collecting information on the Fiat 500e
> >
> > This also looks to be a good candidate for a DBC implementation. That
> way, no coding required, and Gunther can tune and add metrics himself.
> > With the iOS App done, and now in testing, I am back working on DBC and
> RE tools. Made some progress these last two days (Chinese new year holidays
> here), and hoping to have something usable this weekend.
> >
> > But, need those crtd can bus dumps to validate it.
> >
> > Regards, Mark
> >
> > On 6 Feb 2019, at 9:12 PM, Mark Webb-Johnson <mark at webb-johnson.net <
> mailto:mark at webb-johnson.net <mark at webb-johnson.net>>> wrote:
> >
> >> I think it best to also get a few CAN dumps:
> >>
> >> While car is parked, idle, asleep
> >> While car is parked, but awake
> >> While car is driving
> >>
> >> These should be in CRTD format.
> >>
> >> They will allow us to double-check the actual CAN bus traffic to ensure
> it matches what is shown in the spreadsheet.
> >>
> >> Regards, Mark.
> >>
> >>> On 6 Feb 2019, at 8:55 PM, Guenther Huck <privat at guentherhuck.at <
> mailto:privat at guentherhuck.at <privat at guentherhuck.at>>> wrote:
> >>>
> >>> Hello Michael
> >>>
> >>> That’s perfect! Ich can send you some more CAN-ID’S. Tell me what is
> important for the first implementation.
> >>>
> >>> <image[3].png>
> >>>
> >>> <image[7].png>
> >>>
> >>> <image[10].png>
> >>>
> >>> <image[13].png>
> >>>
> >>> <image[16].png>
> >>> From: Michael Balzer <mailto:dexter at expeedo.de <dexter at expeedo.de>>
> >>> Sent: Wednesday, February 06, 2019 12:55 PM
> >>> To: ovmsdev at lists.openvehicles.com <
> mailto:ovmsdev at lists.openvehicles.com <ovmsdev at lists.openvehicles.com>>
> >>> Subject: Re: [Ovmsdev] Collecting information on the Fiat 500e
> >>>
> >>> Günther,
> >>>
> >>> yes, that looks sufficient.
> >>>
> >>> It's always best if an actual vehicle user does the code, but we can
> provide a first basic implementation to build upon.
> >>>
> >>> Regards,
> >>> Michael
> >>>
> >>>
> >>> Am 05.02.19 um 18:22 schrieb Guenther Huck:
> >>>> Is this ok?
> >>>>
> >>>> <image[2].png>
> >>>>
> >>>> From: Guenther Huck <mailto:privat at guentherhuck.at
> <privat at guentherhuck.at>>
> >>>> Sent: Tuesday, February 05, 2019 6:06 PM
> >>>> To: OVMS Developers <mailto:ovmsdev at lists.openvehicles.com
> <ovmsdev at lists.openvehicles.com>>
> >>>> Subject: Re: [Ovmsdev] Collecting information on the Fiat 500e
> >>>>
> >>>> Hello Mark
> >>>>
> >>>> I have a Fiat 500e and asked if there is anybody who is firm with the
> CAN Id’s.
> >>>>
> >>>> In the meantime I have some CAN informations for Fiat 500e  and can
> give to you or somebody who is familiar to programm the OVMS for this car.
> >>>> I don’t have enough experiance to programm this. Sorry!
> >>>>
> >>>> What informations to you need to insert this car to your project ?
> >>>>
> >>>> Guenther
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> OvmsDev mailing list
> >>>> OvmsDev at lists.openvehicles.com <mailto:OvmsDev at lists.openvehicles.com
> <OvmsDev at lists.openvehicles.com>>
> >>>> http://lists.openvehicles.com/mailman/listinfo/ovmsdev <
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev>
> >>>
> >>>
> >>> --
> >>> Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
> >>> Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
> >>>
> >>> _______________________________________________
> >>> OvmsDev mailing list
> >>> OvmsDev at lists.openvehicles.com <mailto:OvmsDev at lists.openvehicles.com
> <OvmsDev at lists.openvehicles.com>>
> >>> http://lists.openvehicles.com/mailman/listinfo/ovmsdev <
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev>
> >>> _______________________________________________
> >>> OvmsDev mailing list
> >>> OvmsDev at lists.openvehicles.com <mailto:OvmsDev at lists.openvehicles.com
> <OvmsDev at lists.openvehicles.com>>
> >>> http://lists.openvehicles.com/mailman/listinfo/ovmsdev <
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev>
> >>
> >>
> >> _______________________________________________
> >> OvmsDev mailing list
> >> OvmsDev at lists.openvehicles.com <mailto:OvmsDev at lists.openvehicles.com
> <OvmsDev at lists.openvehicles.com>>
> >> http://lists.openvehicles.com/mailman/listinfo/ovmsdev <
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev>
> >
> > _______________________________________________
> > OvmsDev mailing list
> > OvmsDev at lists.openvehicles.com
> > http://lists.openvehicles.com/mailman/listinfo/ovmsdev
> > _______________________________________________
> > OvmsDev mailing list
> > OvmsDev at lists.openvehicles.com
> > http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>
>
> ------------------------------
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>
>
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>
>
>
> ------------------------------
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>
> _______________________________________________
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> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
>
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