[Ovmsdev] Coding help

[Michael Balzer]

Shane,

I forgot to mention: if you're working on a new vehicle module, you'll 
also need to start the bus somewhere in your initialization code. Example:

   RegisterCanBus(1, CAN_MODE_ACTIVE, CAN_SPEED_500KBPS);

Regards,
Michael


Am 15.02.21 um 08:36 schrieb Michael Balzer:
> Shane,
>
> Am 14.02.21 um 16:42 schrieb Shane @ Kilve Engineering:
>> can any one help me with a bit of code to retrieve ve some data from 
>> ecu can1/6f2  00 4c 00 00 01 97 bc 00 as i cant poll this ecu it just 
>> broadcasts when its active, ive tried polling it but does not 
>> respond, i need to choose one byte and allocate it to a PID.
>
> I don't know what you mean by "allocating a byte to a PID", but if you 
> want to process frames received directly, simply override 
> IncomingFrameCan1() (or …2/3/4 depending on your bus).
>
> Reduced example:
>
> void OvmsVehicleXYZ::IncomingFrameCan1(CAN_frame_t *p_frame)
> {
>   uint8_t *d = p_frame->data.u8;
>
>   switch (p_frame->MsgID)
>   {
>     case 0x6f2:
>       // for example, assuming the SOC is in byte 1:
>       StdMetrics.ms_v_bat_soc->SetValue(d[1]);
>       break;
>   }
> }
>
> If you're outside a vehicle context, you can register your own CAN 
> receiver by creating a queue and calling MyCan.RegisterListener(). See 
> the vehicle module for an example.
>
> Regards,
> Michael
>

-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26


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