Re: [Freevo-users] HOWTO: Sensors on via EPIA systems and idlebar plugin
Juerg Haefliger wrote: > [snip] > The idlebar plugin must be doing something funny. > > Thats what I thought tbh ;) my comment was about the idlebar plugin, and more of a doh that its taken me a while to work out what was wrong :) >> And thanks for the driver! Finally with 2.6.21 I have sensors that work, >> I've been worrying about my board as I've squeezed it into a small case, >> now I can rest easy that the temps are in range :D >> > > Assuming you trust the values? :-) > > Out of curiosity, what VIA board do you have? Can you control fan > speeds on your board? > > ...juerg > I've got a via SP13000, vanilla board, I don't think it has fan speed control... but then again I've not tried or looked into it. If it does that would be ace as the small fan is quite noisy, but I'm sure I read someone that it cannot be controlled. - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ Freevo-users mailing list Freevo-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freevo-users
Re: [Freevo-users] HOWTO: Sensors on via EPIA systems and idlebar plugin
On 6/7/07, Stephen Rowles <[EMAIL PROTECTED]> wrote: > Juerg Haefliger wrote: > >> It also seems that the via driver returns data at a different scale for > >> the CPU than the other data - sigh, so as described in the wiki link > >> above, you will need to scale the original temp up by a factor of 10 > >> before then scaling. > >> > > > > I'm the author of said driver. No need to sigh, that behavior is by > > design for good reasons :-) The driver returns what the chip reads at > > its inputs. For temp1, this value depends on the implementation of the > > board (value of external scaling resistors). The driver can't possibly > > know what does values are so scaling is left to the user. Temp2 is > > different since it's the chips internal temperature which is always > > identical for all boards and thus the driver does the correct scaling. > > > > Check out Documentation/hwmon/vt1211 in the kernel source tree for a > > detailed description of the driver. > > > > ...juerg > My sigh wasn't about the driver, more the slightly strange behaviour > difference between the sensors config and the config needed in freevo. I > understand that scaling has to be done outside the driver :) > > In /etc/sensors.conf there is the following for temp1: > > compute temp1 (@ - 73.869) / 0.9528, (@ * 0.9528) + 73.869 > > For most sensors using freevo idlebar plugin all you do is copy and past > the section "(@ - 73.869) / 0.9528" and let it do its stuff. However for > some reason to get this to work correctly you need to add the extra *10, > as I documented: > > ((@ * 10) - 73.869) / 0.9528') > > Just seems a bit weird and inconsistent, I don't know whats going on > here and why sensors.conf doesn't need the *10 scale but freevo does. Err, no, don't blame this on the driver, the driver works just fine. The raw value reported via the sysfs interface is in 'millivolts' and needs to be adjusted according to the formula in sensors.conf: jabba:~# echo "(`cat /sys/devices/platform/vt1211.24576/temp1_input` / 1000 - 73.869) / 0.9528" | bc 41 The idlebar plugin must be doing something funny. > And thanks for the driver! Finally with 2.6.21 I have sensors that work, > I've been worrying about my board as I've squeezed it into a small case, > now I can rest easy that the temps are in range :D Assuming you trust the values? :-) Out of curiosity, what VIA board do you have? Can you control fan speeds on your board? ...juerg > - > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > ___ > Freevo-users mailing list > Freevo-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freevo-users > - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ Freevo-users mailing list Freevo-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freevo-users
Re: [Freevo-users] HOWTO: Sensors on via EPIA systems and idlebar plugin
Juerg Haefliger wrote: >> It also seems that the via driver returns data at a different scale for >> the CPU than the other data - sigh, so as described in the wiki link >> above, you will need to scale the original temp up by a factor of 10 >> before then scaling. >> > > I'm the author of said driver. No need to sigh, that behavior is by > design for good reasons :-) The driver returns what the chip reads at > its inputs. For temp1, this value depends on the implementation of the > board (value of external scaling resistors). The driver can't possibly > know what does values are so scaling is left to the user. Temp2 is > different since it's the chips internal temperature which is always > identical for all boards and thus the driver does the correct scaling. > > Check out Documentation/hwmon/vt1211 in the kernel source tree for a > detailed description of the driver. > > ...juerg My sigh wasn't about the driver, more the slightly strange behaviour difference between the sensors config and the config needed in freevo. I understand that scaling has to be done outside the driver :) In /etc/sensors.conf there is the following for temp1: compute temp1 (@ - 73.869) / 0.9528, (@ * 0.9528) + 73.869 For most sensors using freevo idlebar plugin all you do is copy and past the section "(@ - 73.869) / 0.9528" and let it do its stuff. However for some reason to get this to work correctly you need to add the extra *10, as I documented: ((@ * 10) - 73.869) / 0.9528') Just seems a bit weird and inconsistent, I don't know whats going on here and why sensors.conf doesn't need the *10 scale but freevo does. And thanks for the driver! Finally with 2.6.21 I have sensors that work, I've been worrying about my board as I've squeezed it into a small case, now I can rest easy that the temps are in range :D - This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ ___ Freevo-users mailing list Freevo-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freevo-users
Re: [Freevo-users] HOWTO: Sensors on via EPIA systems and idlebar plugin
Hi Stephen,
On 6/7/07, Stephen Rowles <[EMAIL PROTECTED]> wrote:
> Using 2.6.21 I can finally get reliable data from my via EPIA system
> about temperature - yay!
>
> I've updated the Sensors section of the idlebar wiki:
>
> http://freevo.sourceforge.net/cgi-bin/doc/IdlebarPlugins
>
> to include a mini howto with the plugin line you need. Anyone wanting
> this to work will need this bug fixed in their freevo distribution:
>
> http://sourceforge.net/tracker/index.php?func=detail&aid=1731892&group_id=46652&atid=446895
>
> (thanks Duncan!)
>
> It also seems that the via driver returns data at a different scale for
> the CPU than the other data - sigh, so as described in the wiki link
> above, you will need to scale the original temp up by a factor of 10
> before then scaling.
I'm the author of said driver. No need to sigh, that behavior is by
design for good reasons :-) The driver returns what the chip reads at
its inputs. For temp1, this value depends on the implementation of the
board (value of external scaling resistors). The driver can't possibly
know what does values are so scaling is left to the user. Temp2 is
different since it's the chips internal temperature which is always
identical for all boards and thus the driver does the correct scaling.
Check out Documentation/hwmon/vt1211 in the kernel source tree for a
detailed description of the driver.
...juerg
> e.g.
>
> plugin.activate('idlebar.system.sensors', level=30, args=(('temp1','((@ * 10)
> - 73.869) / 0.9528'), 'temp2', None))
>
>
> Posting here to ensure people find out about it :)
>
>
> Cheers all, loving freevo :D
>
> -
> This SF.net email is sponsored by DB2 Express
> Download DB2 Express C - the FREE version of DB2 express and take
> control of your XML. No limits. Just data. Click to get it now.
> http://sourceforge.net/powerbar/db2/
> ___
> Freevo-users mailing list
> Freevo-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/freevo-users
>
-
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