mouse battery status?

[Eric Anderson]

Maksim Yevmenkin wrote:
> Eric Anderson wrote:
>
> [...]
>> Collection page=Consumer usage=Consumer_Control
>> Collection page=Generic_Desktop usage=Mouse
>> Input   id=3 size=2 count=1 page=Microsoft usage=0xfe01 Variable, 
>> logical range 0..3
>> Input   id=3 size=1 count=1 page=Microsoft usage=0xfe00 Variable, 
>> logical range 0..1
>> Input   id=3 size=5 count=1 page=0x0000 usage=0x0000 Const, logical 
>> range 0..1
>> End collection
>> End collection
>
> as you can see there is an input hid report, page == "Microsoft 
> usage", usage == 0xfe01 and range 0..3. this looks like "battery report".
>

I see - thanks for clarifying..


>>>> I wonder where the right place to report the battery information is?
>>>
>>> like i said, right now it goes to /var/log/messages. info, notice 
>>> and warning levels are used for different battery states (ok, low, 
>>> very low). if this is not the right place, please let me know where 
>>> do you want it to be?
>>
>> I suppose if one wanted to make a tool to monitor the mouse battery 
>> (say, for an X window manager), you could poll/parse the output of 
>> bthidcontrol, right?  Is there a better way to grab the info (a bthid 
>> library or something)?   Sorry if this is a trivial question - I'm 
>> not a bluetooth hacker :)
>
> not quite. "battery report" is an input report, i.e. mouse should send 
> it periodically. bhtidd(8) already parses it. the question is what 
> should it do with this information? right now it just logs it. it 
> could send another message to another application (i.e. mouse battery 
> monitoring tool) so it can do whatever is required.

I think either a sysctl entry that shows the value (0 - 3) would be 
nice.   I guess ng_hci would create it? Then bthidd would just change 
the sysctl value when it gets the report from the mouse.. ?


Eric






-- 
------------------------------------------------------------------------
Eric Anderson        Sr. Systems Administrator        Centaur Technology
Anything that works is better than anything that doesn't.
------------------------------------------------------------------------