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
<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> Jiangyi, here is some useful code that I use for tracing the sensors: http://download.paulk.fr/replicant/sensors-tracer/
<paulk-collins> you can use strace with that
<paulk-collins> and see what it does
<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
<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?
<paulk-collins> nah it's deprecated
<paulk-collins> it was a replacement for libakm
<Jiangyi> ah ok
<Jiangyi> Think we're still using proprietary libakm heh
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<paulk-collins> there is one on i9100g tooN
<paulk-collins> ?
<paulk-collins> ah yeah apparently
<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> :)
<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 :)
<paulk-collins> I guess no one cares nowadays though
<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?
<paulk-collins> /data will do
<paulk-collins> no need to remount that way
<Jiangyi> paulk-collins: Had to remount for /data too heh
<Jiangyi> Strange
<paulk-collins> kinda, yes
<Jiangyi> paulk-collins: http://pastebin.com/1bYVT1n7 <- Did I do it right?
<paulk-collins> Jiangyi, yep, that'll do, thanks
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<paulk-collins> Jiangyi, at first sight, all sensors are freeable
<Jiangyi> w00t \o/
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<paulk-collins> yeah it probably won't be so hard
<Jiangyi> Looking at this scares me a bit tbh heh
<Jiangyi> Not really sure where to start
<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
<paulk-collins> what's harder to figure out is what it does with the raw data
<paulk-collins> first step is to look at the kernel driver, add debug prints there to see what values it sends to the blob
<paulk-collins> then use sensors-tracer to print the values in SI units
<paulk-collins> and find the equations
<paulk-collins> I can help you with that if I have time
<paulk-collins> I'm used to it
<paulk-collins> also, 19.613300 = 9.81 * 2
<paulk-collins> 0.009577 = 9.81 / 1024
<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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