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Here's a quick and simple C program that reads a packet from the accelerometer once per second, and rotates the screen to a new orientation if the orientation has changed.
I don't mean this to conflict with Paul's excellent work on Gestures; my reason for writing it is so that it can be used as an always-on daemon in the OM distributions. (Full gesture interpretation is more CPU heavy and requires reading data more often than once per second, so perhaps that will be done on-demand instead of always-on.)
The code is:
There's an ARM binary here (chmod a+x rotate && ./rotate):
There's also a complete rewrite at http://blog.1407.org/tag/rotate
And you're welcome to make patches against the GIT repo here:
- Patch for using libxrandr instead of system+xrandr -- Rui Miguel Silva Seabra <rms_ghaaaNoSpamPlease_at_1407_org>
Would anyone else be interested in being the maintainer of this package? It would involve packaging it up in bitbake/OE and trying to persuade the various OM distros to include it by default. (Perhaps with an on/off control panel entry in distros that make that easy to do?)
Comments appreciated. Thanks!
- Chris. -- Chris Ball <cjb_at_laptop_dot_org>
Packages and Binaries
- Package from Jozef Mlich (not perfect):
opkg install http://projects.openmoko.org/frs/download.php/392/accel-rotate_0.2_armv4t.ipk update-rc.d accel-rotate defaults
- Arm releases built by Rui
Rotates the screen according to the position of the Neo FreeRunner.