On Aug 8, 2014, at 9:15 AM, Charles Lepple <[email protected]> wrote:
> On Aug 7, 2014, at 10:52 PM, Charles Lepple <[email protected]> wrote: > >> On Aug 7, 2014, at 10:18 PM, Matthew Stapleton <[email protected]> wrote: >> >>> I just got a Cyberpower SOHO Value 1200 ELCD UPS and even with nut 2.7.2, >>> it appears to report battery voltage too low due to the battery scaling >>> function (In drivers/cps-hid.c). Even though the ups has usb id: 0764:0501, >>> UPS.PowerSummary.Voltage reports 26.6 for the 24V batteries so when the >>> 0.667 battery scale is applied that goes down to 17.7V. >> >> I'm wondering if that scale factor is only needed for that one Dynex UPS >> model. We should be able to do a string match, which is ugly, but should >> work (especially if we default to no scaling). >> >> Logged: https://github.com/networkupstools/nut/issues/142 > > It's not just Dynex models - there are some early "UPS VALUE" and "CP 1000D" > units that seem to need the correction factor. I'll try to add a check that > looks to see if the battery voltage makes sense. Matthew, can you try the attached patch, and run the driver it with -DDDD? https://github.com/networkupstools/nut/commit/c8950dee9c91ce45d05d8f220ea26891fb92329e Also, if anyone else has a Cyberpower UPS with the 0501 productID, I'd appreciate any additional testing. Thanks, -- Charles Lepple clepple@gmail
cps_hid_scale.patch
Description: Binary data
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