Mark,
what about the unused bits in doors1..4, it seems these are not
currently in use:
doors1 bit 5
doors2 bits 0..2 + 5
doors3 all except bit 1
doors4 all except bit 2
That's 19 bits we could use for new flags, or am I missing something?
Regards,
Michael
Am 30.01.2013 01:16, schrieb Mark Webb-Johnson:
> Michael,
>
> We have another signal:
>
> *
>
> unsigned char car_doors3 [bit 1]
>
> This bit is set to 1 to indicate the vehicle is awake, and
> operational, else 0. For some cars, this would indicate that
> cooling systems are working, but for most cars it should just be
> set to 1 if the car is 'awake' in any way.
>
> On the roadster, that is set when the cooling pump is on, and all
> systems in the car are 'alive'.
>
> Is that suitable for this?
>
> If not, it is probably best to include a new car_door5 (which we need
> anyway for rear-left, rear-right door bits) and include a bit on that
> to signify 12V battery charging.
>
> Regards, Mark.
>
> On 29 Jan, 2013, at 11:45 PM, Michael Balzer wrote:
>
>> Mark,
>>
>> I completely misunderstood bit 3 "pilot present" as a driver
>> detection (seat pressure), good you explained that now :-)
>>
>> I may have been unclear. I tried to use bit 4 before, but the 12V
>> battery charge process is decoupled from the main battery charge
>> process. That's for the Twizy, of course, but I suppose that's on
>> other cars as well, as it seems to make sense to charge the 12V
>> battery independantly.
>>
>> I first thought about extending the doors flags to introduce a
>> separate "12V charging" flag, but then thought the combination
>> car_linevoltage + car_chargecurrent normally implies this.
>>
>> But "pilot signal present" is also not quite the same as "charging
>> 12V"...
>>
>> So, would you still say we can generally use bit 3 for this, or shall
>> I rather introduce a new vehicle hook, as this needs to be vehicle
>> dependant?
>>
>> Thanks,
>> Michael
>>
>>
>> Am 29.01.2013 02:24, schrieb Mark Webb-Johnson:
>>> Michael,
>>>
>>> To determine if the car is charging or not, the best way is:
>>>
>>> *
>>>
>>> unsigned char car_doors1 [bit 4]
>>> This bit is set to 1 if the vehicle is currently charging,
>>> else 0.
>>>
>>>
>>> Alternatively, if you want to pickup "able to charge" rather than
>>> "charging":
>>>
>>> *
>>>
>>> unsigned char car_doors1 [bit 3]
>>>
>>> This bit is set to 1 if the pilot signal is present, else 0.
>>> This would normally indicated that the vehicle is connected
>>> to external power and either charging or ready to charge.
>>>
>>>
>>> Seems a better solution than linevoltage/current.
>>>
>>> Regards, Mark.
>>> On 29 Jan, 2013, at 5:05 AM, Michael Balzer wrote:
>>>
>>>> Done :-)
>>>>
>>>> Also, as the Twizy (and I suppose other cars as well) charges the
>>>> 12V battery further on as long as it's plugged in, I now use the
>>>> plug in status (car_linevoltage + car_chargecurrent) to detect a
>>>> 12V charge status.
>>>>
>>>> After plug-out, the OVMS waits for 10 minutes (time for the 12V
>>>> battery to calm down) until taking the new ref voltage. That will
>>>> still be a bit above the nominal voltage, but the span should be
>>>> short enough to allow for taking a new ref even if taking the car
>>>> for the next drive soon after charging.
>>>>
>>>> I hope this will work on other cars as well without change/config,
>>>> but it will now need the car_linevoltage and car_chargecurrent
>>>> reflecting the actual plugin status. If a car cannot provide this
>>>> info, we can introduce a new vehicle hook for a function that
>>>> checks for a valid calibration time.
>>>>
>>>> Regards,
>>>> Michael
>>>>
>>>>
>>>> Am 26.01.2013 22:05, schrieb Michael Balzer:
>>>>> I've got a flaw in there: as the code begins taking ref max values
>>>>> right after charging ends, the ref gets too high. After charging
>>>>> my current ref is now 14.7 due to that bug, should be around 12.7.
>>>>>
>>>>> I need to factor in the voltage decay after end of charge. I'll
>>>>> see if I can get that in without introducing a new timer variable...
>>>>>
>>>>> @Mikeljo: "> 13" is correct (just ensures ref-13 > 0), your change
>>>>> to "> 130" is not correct, as the ref can be much lower.
>>>>> ...also consider using stp_l2f() for the STAT message, see the
>>>>> DIAG message for a copy source.
>>>>>
>>>>> I really should document the stp functions...
>>>>>
>>>>> Regards,
>>>>> Michael
>>>>>
>>>>>
>>>>> Am 25.01.2013 17:16, schrieb Mark Webb-Johnson:
>>>>>> Michael,
>>>>>>
>>>>>> Seems like a sensible approach.
>>>>>>
>>>>>> Your car is now showing "11.9,0,12.2".
>>>>>>
>>>>>> I'll try it in my car over the weekend.
>>>>>>
>>>>>> Regards, Mark.
>>>>>>
>>>>>> On 25 Jan, 2013, at 9:16 PM, Michael Balzer <dexter at expeedo.de>
>>>>>> wrote:
>>>>>>
>>>>>>> Mark, Tom,
>>>>>>>
>>>>>>> I just checked in the auto calibration implementation.
>>>>>>>
>>>>>>> It works by taking the maximum voltage reading while the car is
>>>>>>> off and not charging as the reference voltage, so it should
>>>>>>> adapt to all possible variations.
>>>>>>>
>>>>>>> Alert is triggered if current reading is at/below ref - 1.3V,
>>>>>>> which should fit for all cases.
>>>>>>>
>>>>>>> The alert now also includes the reference, and it can be queried
>>>>>>> by the "DIAG" SMS command. It's also now included as a new field
>>>>>>> in the environment message ("D").
>>>>>>>
>>>>>>> Regards,
>>>>>>> Michael
>>>>>>>
>>>>>>>
>>>>>>> Am 22.01.2013 04:19, schrieb Mark Webb-Johnson:
>>>>>>>> Tom,
>>>>>>>>
>>>>>>>> My understanding is that the 2.x cars work the same way. The
>>>>>>>> 12V battery is just for emergency systems.
>>>>>>>>
>>>>>>>> Presumably if the main pack fails (fuse blows, whatever), the
>>>>>>>> 1.5 cars have no way of running hazard warning lights, brake
>>>>>>>> lights, etc.
>>>>>>>>
>>>>>>>> It would still be useful to see the stability of that 12V line,
>>>>>>>> on the v1.5 Tesla Roadsters.
>>>>>>>>
>>>>>>>> Regards, Mark.
>>>>>>>>
>>>>>>>> On 21 Jan, 2013, at 12:48 AM, Tom Saxton <tom at idleloop.com> wrote:
>>>>>>>>
>>>>>>>>> on 1/19/13 10:08 PM, Mark Webb-Johnson wrote:
>>>>>>>>>
>>>>>>>>>> If anyone has a 1.x roadster with a v2 hardware module, and
>>>>>>>>>> has recently
>>>>>>>>>> parked it for some days, it would be helpful if you could
>>>>>>>>>> send me the
>>>>>>>>>> date/time range and your vehicleid.
>>>>>>>>> I don't think the v1.5 Roadster has a 12V battery. It's my
>>>>>>>>> understanding
>>>>>>>>> that it uses a DC-to-DC converter on one of the ESS sheets to
>>>>>>>>> power the 12V
>>>>>>>>> systems when the car is off.
>>>>>>>>>
>>>>>>>>> Tom
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> OvmsDev mailing list
>>>>>>>>> OvmsDev at lists.teslaclub.hk
>>>>>>>>> http://lists.teslaclub.hk/mailman/listinfo/ovmsdev
>>>>>>>> _______________________________________________
>>>>>>>> OvmsDev mailing list
>>>>>>>> OvmsDev at lists.teslaclub.hk
>>>>>>>> http://lists.teslaclub.hk/mailman/listinfo/ovmsdev
>>>>>>> --
>>>>>>> Michael Balzer * Paradestr. 8 * D-42107 Wuppertal
>>>>>>> Fon 0202 / 272 2201 * Handy 0176 / 206 989 26
>>>>>>>
>>>>>>> <dexter.vcf>_______________________________________________
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>>>>>> _______________________________________________
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>>>>>> http://lists.teslaclub.hk/mailman/listinfo/ovmsdev
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> OvmsDev mailing list
>>>>> OvmsDev at lists.teslaclub.hk
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>>>>
>>>> --
>>>> Michael Balzer * Paradestr. 8 * D-42107 Wuppertal
>>>> Fon 0202 / 272 2201 * Handy 0176 / 206 989 26
>>>> <dexter.vcf>_______________________________________________
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>>>
>>>
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>>
>> --
>> Michael Balzer * Paradestr. 8 * D-42107 Wuppertal
>> Fon 0202 / 272 2201 * Handy 0176 / 206 989 26
>> <dexter.vcf>_______________________________________________
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>> http://lists.teslaclub.hk/mailman/listinfo/ovmsdev
>
>
>
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Michael Balzer * Paradestr. 8 * D-42107 Wuppertal
Fon 0202 / 272 2201 * Handy 0176 / 206 989 26
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