Date: Fri, 17 Feb 2006 13:25:08 -0600 From: Eric Anderson <anderson@centtech.com> To: Maksim Yevmenkin <maksim.yevmenkin@savvis.net> Cc: freebsd-bluetooth@freebsd.org Subject: Re: mouse battery status? Message-ID: <43F62314.1070101@centtech.com> In-Reply-To: <43F60A7B.2090206@savvis.net> References: <43F34314.7030606@centtech.com> <43F3688B.8060700@savvis.net> <43F4B7AA.5030000@centtech.com> <43F5229C.8050106@savvis.net> <43F5D186.7060302@centtech.com> <43F60A7B.2090206@savvis.net>
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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. ------------------------------------------------------------------------
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