From: Rick R. <Ric...@jh...> - 2011-01-19 14:39:22
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I found the following info in a post a while back... # disable wifi echo 0 > /sys/class/gpio/gpio16/value # disable bluetooth echo 0 > /sys/class/gpio/gpio164/value The current reading drops from 0.48 to 0.42 amps after executing the above. On 01/19/2011 09:01 AM, Leif Zars wrote: > I have found that if I pull the reset pin low on the wifi chip that kindof works. I think gpio16 not sure. But I am unable to restart or reload the firmware on the wifi mod. So without a full board rest it doesn't turn back on. > > So once down it stays down. > > Also I know this is a ugly hack :(. But it does drop the power > > > I think a new version of the libertas driver might help but I have not found out of to get that done. > > Leif Zars > > > On Jan 19, 2011, at 4:22 AM, "Akshay S.N"<aks...@gm...> wrote: > >> Hello, >> >> I have an Overo Fire with wi2wi module on it providing Bluetooth and Wi-Fi interface. I want to reduce the power consumed by the overo fire. So i turned off bluetooth using /etc/init.d/bluetooth stop and Wi-fi by iwconfig wlan0 down. >> >> However i do not see any reduction in power consumed. So i need to know other ways so that at the hardware level i should be able to enable and disable it. I believe by giving low/high inputs to particular GPIO pins it should work. >> >> So is there any one who have tried it and can someone help us?? >> >> -- >> Regards, >> Akshay >> ------------------------------------------------------------------------------ >> Protect Your Site and Customers from Malware Attacks >> Learn about various malware tactics and how to avoid them. Understand >> malware threats, the impact they can have on your business, and how you >> can protect your company and customers by using code signing. >> http://p.sf.net/sfu/oracle-sfdevnl >> _______________________________________________ >> gumstix-users mailing list >> gum...@li... >> https://lists.sourceforge.net/lists/listinfo/gumstix-users > ------------------------------------------------------------------------------ > Protect Your Site and Customers from Malware Attacks > Learn about various malware tactics and how to avoid them. Understand > malware threats, the impact they can have on your business, and how you > can protect your company and customers by using code signing. > http://p.sf.net/sfu/oracle-sfdevnl > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users |