gmane.comp.hardware.smartphones.userland

Re: fso and gta04: need working configurations (and maybe a pointerto the well-hidden documentation?)

Lukas Märdian — 2013-05-26T12:59:01

Am 25.05.2013 13:37, schrieb arne anka:

I don't know, why you didn't find it. It's located after the "API Docs"
link on FSO's frontpage:
  http://www.freesmartphone.org/


Of course... documentation can always be better. But I think the basics
of DBus shouldn't be duplicated in FSO's docs. To answer the question
what an interface is, you should read in DBus' documentation, e.g. here:
  http://www.freedesktop.org/wiki/IntroductionToDBus/

BR,
  Lukas

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vibrator plugins

Benjamin Deering — 2013-05-25T12:55:23

Hello,

I have started playing with Rico's vibrator plugin on GTA04.  I noticed 
an issue with all of the provided vibrator plugins.  They seem to 
support a single vibrator:
/org/freesmartphone/Device/Vibrator

The code in framework/subsystems/oeventsd/fso_actions.py expects support 
for multiple vibrators:
/org/freesmartphone/Device/Vibrator/%target

I expect the latter is the correct case since it isn't hard to imagine a 
device with multiple vibrators.  If this is correct, should I try to fix 
it, or could someone more familiar with the code (and with vala) do it?

Ben

Re: fso and gta04: need working configurations (and maybe a pointerto the well-hidden documentation?)

arne anka — 2013-05-25T11:37:48

still undocumented and btw something i was looking for on the FSO page.


same here: why didn't i find this at the FSO page? to follow somewhat  
complex git urls to find is not why i go to fso.org and the "last  
modified" dates on foot of the pages are less than encouraging.
and despite "the source being the documentation" -- sometimes that isn't  
enough.

btw: as for the dbus docs -- examples would be very helpful. last night i  
was playing around with just dbus and did not really get what for example  
"interface" meant (don't have the call handy and anyway it's just an  
illustration). it should be possible to include for the more complex calls  
examples in the doc, shouldn't it?

thanks anyway!

Re: fso and gta04: need working configurations (and maybe a pointerto the well-hidden documentation?)

arne anka — 2013-05-25T11:28:39

didn't.


that's not exactly config, isn't it?


nop. didn't. rules.yaml was entirely missing the rules for AUX and POWER.  
once i found an old post referring to GTA02 examples, i was able to add  
them and voila ...


i know. but:
a) it takes ages to build them in my armel chroot (and i am still fighting  
with monav in _armhf_ chroot (i know, it's in debian, but still lacking  
the streetname patch)), so if i may want to switch to armhf, i am for  
experimentation better off with debian's packages instead of spending days  
to build them
b) since i was not really succesful last time i tried them, i decided to  
go with the ones atm in debian
c) as you said last time, you won't prepare debian packages for all fso  
packages since you don't need them.

thanks anyway!

Re: fso and gta04: need working configurations (and maybe a pointerto the well-hidden documentation?)

Lukas Märdian — 2013-05-25T07:16:10

Am 25.05.2013 06:34, schrieb Rico Rommel:

Also have a look at FSOs default configurations, they should be a nice
starting point:

http://git.freesmartphone.org/?p=cornucopia.git;a=blob;f=fsodeviced/conf/GTA04/fsodeviced.conf

And to play around within "mdbus2 -s", you could use this documentation,
do have a nice overview of the FSO API.

http://git.freesmartphone.org/?p=specs.git;a=blob_plain;f=html/index.html;hb=HEAD

Cheers,
  Lukas

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Re: fso and gta04: need working configurations (and maybe a pointerto the well-hidden documentation?)

Rico Rommel — 2013-05-25T04:34:35

Am Samstag, 25. Mai 2013, 01:36:03 schrieb arne anka:

The configs shipped with Debian should basically work.
Try installing mdbus2 package and run mdbus2 -s -l.

If you press aux or pwr, you should see something happen.


And again, there are packages prepared for fso 0.12, which should work out of 
the box:

http://lists.linuxtogo.org/pipermail/smartphones-userland/2012-December/003252.html


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Re: volume control in FSO

Lukas Märdian — 2013-04-10T11:17:35

Am 08.04.2013 17:56, schrieb Rico Rommel:

OK. I don't care currently, either. So we'll keep it like that for now.
But I've created a ticket, just for the reference:
  http://trac.freesmartphone.org/ticket/732

Lukas

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Re: volume control in FSO

Rico Rommel — 2013-04-08T15:56:49

Am Freitag, 5. April 2013, 01:44:36 schrieb Lukas Märdian:

I think, the linear control is enough, but somebody else could see it 
differently.

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Re: volume control in FSO

Lukas Märdian — 2013-04-04T23:44:36

Am 03.04.2013 22:28, schrieb Lukas Märdian:

Just for the reference, the difference between "linear percentage" (aka
amixer) and "human percentage" (aka alsamixer) is described here:

http://mailman.alsa-project.org/pipermail/alsa-devel/2012-March/050074.html

FSO is currently using the aplay/linear percentage, whereas it would
probably be convenient to use the alsamixer/human percentage.

What do you think?

Cheers,
  Lukas

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Re: fso vibrator-plugin

Simon Busch — 2013-04-04T11:15:17

Am 03.04.2013 16:54, schrieb Lukas Märdian:

< at >Rico: if you send me your ssh public key by private mail I can give you 
rw access to the relevant repositories if you want.

regards,
Simon

Re: volume control in FSO

Rico Rommel — 2013-04-04T07:26:27

Am Mittwoch, 3. April 2013, 22:28:44 schrieb Lukas Märdian:


Thanks, it works perfectly.

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Re: volume control in FSO

Lukas Märdian — 2013-04-03T20:55:06

Am 03.04.2013 22:28, schrieb Lukas Märdian:

forgot to mention:
I've found out how to map CONTROL->MIXER interface here:
http://www.alsa-project.org/~tiwai/writing-an-alsa-driver/ch06s03.html

One can just decode the name of the control, which consists of 3 parts:
SOURCE, DIRECTION, FUNCTION, whereas DIRECTION has to do be 'Playback'
for our volume needs and FUNCTION has to be 'Volume'. The first part
left is the name which corresponds to the name of the MIXER.

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Re: volume control in FSO

Lukas Märdian — 2013-04-03T20:28:44

Am 19.03.2013 14:20, schrieb Rico Rommel:

Hey Rico!

I've finally found some time again and coded a (pretty huge) helper
function to translate the ID from the alsa CONTROL interface (scenario)
to the alsa MIXER interface (which is used to set the volume).

An alsa expert could maybe have done it in a few LOC :-/, but no one
responded to my questions in #alsa.

It is working correctly on my Laptop, we can now set the volume in a
range of 0..100. If you've tested the attached patch to be OK I'd like
to push it to the git repo.

Unfortunately I had to find out, that there is another bug:
FSO assumes the volume to be linear, whereas this isn't true for the
human ear. I hope to have a look at this soon.

BR,
  Lukas
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Re: fso vibrator-plugin

Lukas Märdian — 2013-04-03T14:54:24

Am 03.04.2013 16:07, schrieb Rico Rommel:

Hi Rico,

as the plugin isn't enabled by default (for now), I've integrated it
quickly into the git repo, so we can further work on it there.

Maybe you should ask morphis or mickey for rw access to the repo?

Cheers,
  Lukas

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fso vibrator-plugin

Rico Rommel — 2013-04-03T14:07:55

Hi,

I created a plugin for fsodeviced, which uses force feedback, as provided by 
3.7 kernel for gta04. Due to my limited vala-knowledge and missing ff-support 
in vala, i had to implement some parts in c. 

Maybe somebody can help to convert the c part into vala.

Note, that there is a new .gitignore file in the plugin directory, which 
prevents git from ignoring vibration.c.

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Re: volume control in FSO

Rico Rommel — 2013-03-19T13:20:11

Am Montag, 18. März 2013, 17:48:28 schrieb Lukas Märdian:

It basically works now, good job. But I wonder, if I have to set volume now in 
the range of the mixer element absolute or as a percentage.

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Re: volume control in FSO

Rico Rommel — 2013-03-18T18:31:11

Am Montag, 18. März 2013, 17:48:28 schrieb Lukas Märdian:

Thanks, i will try it next days.

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Re: volume control in FSO

Lukas Märdian — 2013-03-18T16:48:28

Am 17.03.2013 20:31, schrieb Lukas Märdian:

Hi Rico,

attached is a patch, which should apply cleanly atop of the 0.12 branch
of cornucopia.

I do not yet understand all the alsa stuff, but this first patch seems
to fix the issue on my laptop. Could you please try, if it fixes your
use case as well?

Please comment on any problems you see. I'll try to clean it up and push
it into git after my vacations.

Cheers,
  Lukas
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Re: volume control in FSO

Lukas Märdian — 2013-03-18T11:11:04

Am 07.03.2013 18:16, schrieb Rico Rommel:

How did you retrieve those names? I assume those are SimpleElemntIds?

Using this names, we can probably just compare the name we get from the
alsa_router plugin with the names from this list and look for the
correct control.

Lukas

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Re: volume control in FSO

Lukas Märdian — 2013-03-17T19:31:02

Am 13.03.2013 18:39, schrieb Rico Rommel:

You're right. The mixer controls in src/lib/alsa.vala seem to have
different IDs from the controls in src/plugins/router_alsa/plugin.vala.

Thanks for spotting this!


I'm not sure how to fix this either, but I'll try to have a deeper look
before my vacation (still few days left). I hope I'll be able to provide
a patch for it soon.

Regards,
  Lukas

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Re: volume control in FSO

Rico Rommel — 2013-03-13T17:39:31

Am Donnerstag, 7. März 2013, 20:16:46 schrieb Lukas Märdian:


Can you or somebody else provide a patch? I have no idea how to solve this.

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