[Ovmsdev] Automatic vehicle notifications

Mark Webb-Johnson mark at webb-johnson.net
Fri May 25 10:25:24 HKT 2018

Re-visiting this, we don’t seem to have done the ‘low SOC’ notification yet. Should be quite simple, so I will handle this.

We’re also not handling the module reset correctly and issuing charge notifications when the module starts up. This is more tricky. Should we just suppress all notifications within the first N seconds after boot-up (to give the vehicle modules time to set things correctly). Or should we only notify if this is not the first time the value has been set (add a modification count to the base metric system so we can see how many times the value has been modified)?

Regards, Mark.

> On 25 Apr 2018, at 2:45 PM, Michael Balzer <dexter at expeedo.de> wrote:
> We can also add the "sufficient SOC/range reached" notifications, the low SOC alert and the low 12V alert to the framework.
> Porting the low 12V detection is on my list for today/tomorrow. For the sufficient SOC/range notifications, I currently still (mis-)use the topoff state, which is irritating to users.
> Notification config should include a channel selection for each, so users can choose which of them to get by SMS. May be combinable, i.e. instead of a bool, use a set of ("ip", "sms")?
> Regards,
> Michael
> Am 25.04.2018 um 03:13 schrieb Mark Webb-Johnson:
>> It is time to implement vehicle notifications (charge started, charge completed, charge interrupted, etc) in the vehicle modules I am supporting. It seems that this can be done in the vehicle.{h,cpp} framework in a standard manner, and work across all vehicle types. However, I guess that will break any notifications already being produced by other vehicle types.
>> My suggestion is:
>> A config parameter ‘notifications’, with individual instances to turn on/off the notifications. Default is all enabled.
>> OvmsVehicle::MetricModified picks up metric changes and issues the standard notifications (checking ‘notifications’ parameter appropriately).
>> charge_mode=>charging: Notify charge started
>> charge_mode=>topoff: Notify charge started
>> charge_mode=>heating: Notify battery heating started
>> charge_mode=>done: Notify charge completed
>> charge_mode=>stopped: Notify charge interrupted
>> valet_mode=>on: Notify valet mode enabled
>> valet_mode=>off: Notify valet mode disabled
>> alarm=>on: Notify alarm is sounding
>> alarm=>off: Notify alarm is off
>> All the above should be suppressed for the initial setting of each parameter. I will have to look into metrics to see how best that should be done; one neat way is to keep a modification count (rather than the current m_defined boolean).
>> Does that make sense? Any objections/suggestions?
>> Regards, Mark
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