[Ovmsdev] Merging in Twizy and Volt/Ampera work

Michael Balzer dexter at expeedo.de
Tue Nov 20 02:40:50 HKT 2012


Am 19.11.2012 14:34, schrieb Mark Webb-Johnson:
>> ...plus a new common code for "ALERT", if you agree on routing the net_msg_alert() function through the dispatcher as well to allow vehicle control over this.
> Can you explain more what you require here?

I would like to change the text for charge alerts to the App the same 
way I did with the SMS alerts, especially to get the SOC min/max and 

So I would basically overload net_msg_alert() with my vehicle specific 
version. That will require either a specific hook for just this 
function, or -- my suggestion -- the introduction of a msg command 
"ALERT", so the existing cmd overloading framework can simply be used. I 
tend to the cmd solution because that's nice in line with the SMS way. I 
know the command now would not be needed by the Apps, but it wouldn't 
hurt either.

So instead of calling net_msg_alert() directly (which happens only at 
one place now), we would call net_msg_cmd_do() with i.e. 
net_msg_cmd_code=NET_CMD_ALERT and let the net and vehicle dispatchers 
decide which alert function to execute. May sound a bit complicated 
first, but would IMO also provide clean and clear extendability for 
maybe other future notifications sent from the module to the App.

I can prepare a Twizy implementation of this if you like to have a look 
at the application side first.


Michael Balzer * Paradestr. 8 * D-42107 Wuppertal
Fon 0202 / 272 2201 * Handy 0176 / 206 989 26

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