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On 11/03/2012 06:21 AM, Rico Rommel wrote:
<blockquote cite="mid:1383315.3xtJPGXNWW@pinguin" type="cite">
<pre wrap="">Hi,
I recently got my gta04 and have some trouble with gps and hmc5883.
kernel is v3.5, gpsd is v3.6
gpsd in sirf mode doesn' get a fix.
If i stop gpsd and run gpsmon /dev/ttyO1 it uses nmea mode and gets a fix after
a few seconds. After that gpsd gets a fix in sirf mode too. It works until
battery is removed. After removing battery I have to run gpsmon again to make
it work.
And second, how the hmc5883 sensor can be used?
Values, read for examle from /sys/bus/iio/devices/iio:device1/in_magn_y_raw,
do not change, if the device is moved.
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</blockquote>
I found that I could not use the compass when the gta04 board is
installed in a case with speakers, but it worked well outside of the
case. There seem to be some other sysfs files for the compass that
could possibly apply a bias to counteract the speakers. When I
wrote anything to those files, I got a kernel error. It could be an
issue in the module.<br>
<blockquote cite="mid:1383315.3xtJPGXNWW@pinguin" type="cite">
<pre wrap="">
thanks
Rico
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