codeworkx changed the topic of #teamhacksung to: HACKSUNG IS DEAD, HAIL HACKSUNG!
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<
Jiangyi>
paulk-collins: Ping
<
paulk-collins>
Jiangyi, pong
<
Jiangyi>
paulk-collins: How would one go about opensourcing sensors on OMAP4? :-P
<
Jiangyi>
I know you did the Tab 2s, I want to do the same with i9100g
<
paulk-collins>
Jiangyi, ok
<
paulk-collins>
hold on a sec
<
Jiangyi>
Or at least attempt to heh
<
Jiangyi>
Okay thanks
<
paulk-collins>
Jiangyi, yeah so I'm working on sensors right now actually
<
paulk-collins>
so usually it's quite simple
<
paulk-collins>
also I'm interested in i9100g
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paulk-collins>
I may get one eventually
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paulk-collins>
Jiangyi, the hardest part is usually magnetic sensor because there is some calibration involved
<
paulk-collins>
but apparently it always works roughly the same
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paulk-collins>
you can use strace with that
<
paulk-collins>
and see what it does
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paulk-collins>
but that doesn't tell what are the maths involved
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<
Jiangyi>
paulk-collins: Yeah, only sensors and camera is painful on this thing right now :-P
<
paulk-collins>
I don't have much hope for camera
<
Jiangyi>
Thanks for the links :-)
<
paulk-collins>
omap4 is quite bad in this regard
<
Jiangyi>
Samsung's hacks in ducati heh
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paulk-collins>
or maybe I haven't looked close enough
<
Jiangyi>
I think cody tried to use an opensource DUCATI at one point, but that failed pretty badly
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Jiangyi>
paulk-collins: I'm guessing samsung-sensors is for Exynos?
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paulk-collins>
nah it's deprecated
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paulk-collins>
it was a replacement for libakm
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Jiangyi>
Think we're still using proprietary libakm heh
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<
paulk-collins>
there is one on i9100g tooN
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paulk-collins>
ah yeah apparently
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paulk-collins>
out of curiosity, can you build sensors-tracer and run it and paste the output somewhere, Jiangyi ?
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<
Jiangyi>
paulk-collins: In a bit, have to clean the house right now, people coming over :-P
<
Jiangyi>
Bunch of neighbourhoods got hit with a blackout, and people are coming to steal electricity/heat heh
<
paulk-collins>
do as you wish, it's not really important anyway
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<
paulk-collins>
hey turns out I figured why galaxysmtd's orientationd is not starting automatically as it should :)
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paulk-collins>
I guess no one cares nowadays though
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paulk-collins>
yamaha's design for this is way ugly also
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Jiangyi>
paulk-collins: Do I just throw the binary in /bin or?
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paulk-collins>
/data will do
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paulk-collins>
no need to remount that way
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Jiangyi>
paulk-collins: Had to remount for /data too heh
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paulk-collins>
kinda, yes
<
paulk-collins>
Jiangyi, yep, that'll do, thanks
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<
paulk-collins>
Jiangyi, at first sight, all sensors are freeable
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paulk-collins>
yeah it probably won't be so hard
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Jiangyi>
Looking at this scares me a bit tbh heh
<
Jiangyi>
Not really sure where to start
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paulk-collins>
actually only the plain output would have been enough, (what's relevant is Sensors list, to get the sensors chips names)
<
paulk-collins>
the strace only helps to figure out the I/O mechanisms, but they are very easy to figure out anyway
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paulk-collins>
what's harder to figure out is what it does with the raw data
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paulk-collins>
first step is to look at the kernel driver, add debug prints there to see what values it sends to the blob
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paulk-collins>
then use sensors-tracer to print the values in SI units
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paulk-collins>
and find the equations
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paulk-collins>
I can help you with that if I have time
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paulk-collins>
I'm used to it
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paulk-collins>
also, 19.613300 = 9.81 * 2
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paulk-collins>
0.009577 = 9.81 / 1024
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paulk-collins>
I suppose the data conversion for the accelerometer will be:
<
paulk-collins>
value in m/s^2 = raw * 9.81 / 1024
<
paulk-collins>
anyway gotta go, dinner is served!
<
Jiangyi>
ok, thanks for the help!
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