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Friday, October 10. 2008
Posted by Mark Montgomery II
in Openmoko
Comments (6) Trackbacks (0) Last modified on 2009-07-06 03:07   
Freerunner USB Mode Control Program
I got tired of having to tweak and run script to change the USB mode whenever I wanted, so I tossed together a quick pygtk program to do it for me. :)
The script currently supports 5 options:
Default Mode (device + usb0) - this is the mode the Freerunner is in my default. USB Host Mode - this switches the Freerunner to USB Host mode but doesn't change the power settings. USB Host Mode providing power - This switches the Freerunner to USB Host mode and supplies power to the device. USB Host Mode with external power (500mA) - This puts the Freerunner into USB Host mode and enables fast charging via USB at 500mA (this is for if you have made a custom cable to power both your Freerunner and the device) Force USB Charge Mode (500mA) - This forces the Freerunner into fast charge mode via USB at 500mA. The script has the code in it for the USB Mass Storage Device mode, but it is currently commented out as my Freerunner does not have a kernel with the proper modules so I cannot test it. The archive is available at http://www.techiem2.net/files/usbmode.tar.gz. The archive contains two files. usbmode.py is the pygtk application. usbmode.desktop is a desktop file to go in /usr/share/applications. The desktop file looks for the script in /usr/bin and is configured to display on the screen and on the bar (the space at the bottom where the installer shows - this area can hold 3 items it seems). Screenshot below. Enjoy! Mark II  Trackbacks
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Please read this thread
http://lists.openmoko.org/pipermail/community/2008-November/035417.html Hopefully, in the functionality proposed above, an automated mode can be offered to go into host mode or charge mode.
Hos is this different from http://blogs.thehumanjourney.net/finds/entry/usb_mode_button_0_3
It appears that USB Mode Button simply switches between the default USB device mode and USB host mode (apparently not providing power if I understand the code correctly).
It also appears to turn the blue LED on when switching to host mode. Mine allows switching to USB host mode with or without power to the USB device, switching to USB host mode setup for external power, as well as allowing to force quick charge mode. So his is quick and simple, and mine is a bit more advanced and offers more options. So you'd want to use whichever suits your usage better (or install both!).
Great App, had to reboot after install to get it working.
Please note that when switching from powered usbhost to anything but device, the neo keeps producing power. To get unpowered host after i've selected powered, i had to select device first and then the mode i wanted.
Could you please check the package in opkg.org, there might be a problem, see http://lists.openmoko.org/pipermail/community/2009-March/043555.html
Ok. I'll have to give it a look.
Though I'm not sure who actually added it to opkg.org. Pretty sure it wasn't me since I haven't figured out how to make a package yet. :P |
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