Ok, i will do it... But now reverting to exam studies :) Thanks for all your help Shampavman
On Wed, Jun 18, 2008 at 4:35 PM, Ananth Shrinivas <Ananth.Shrinivas at sun.com> wrote: > > > I am not using APC :-( > > By the way, what is APC? > > If its one of those UPS companies then am definitely not using it... > > Mine is a "merge"(thats what the sticker says) > > Its from Wipro! > > If APC means some technology in UPS then i will have to dig deeper :) > > > > > Search your vendor's site and see if they have a driver available > already (Doh ! Solaris ? What is that ?). If not read the libusb > documentation - it is a relatively trivial matter to write a ugen / > libusb userland driver and read() from the ifin/ifout/cntrl interfaces. > The tough part is to reverse engineer which interface, how many bytes, > which bytes and what those bytes mean without any documentation. > > Start experimenting now: > Switch on AC power, Read a few bytes, dump the values > Turn off AC power, Read the same bytes, dump the values > See which bytes change - Probably "bit" - this is your charge / > discharge flag. > > To find out the residual charge on the UPS, switch off AC power and > write a program which prints the bytes you read in a loop. And then see > which bytes seem to be decreasing. If your UPS does something stupid > like encoding these values in BCD, you will spend a little more time > along the way cursing the damn manufacturer for being such a git. > > Ananth > > _______________________________________________ > ug-bosug mailing list > List-Unsubscribe: mailto:ug-bosug-unsubscribe at opensolaris.org > List-Owner: mailto:ug-bosug-owner at opensolaris.org > List-Archives: http://www.opensolaris.org/jive/forum.jspa?forumID=54 > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.opensolaris.org/pipermail/ug-bosug/attachments/20080618/fc0cd6b1/attachment.html>
