Re: Address the WM8753 directly

2010-11-08 Thread Timo Juhani Lindfors
Ed Kapitein  writes:
> Does anyone have pointers on how to address the hardware and its
> registers etc?
> I want to write the program in C and need a starting point.

I think you need to write kernel space code to use it since there are
shared resources like i2c that can not be used without proper locking
(just guessing here).

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Address the WM8753 directly

2010-11-08 Thread Ed Kapitein
 Hi All,

I want to hack a bit on the Wolfson sound chip.
The ultimate goal is to make a FR to FR modem conection, using the GSM
voice band.
But the first step would be to generate a sine wave and feed it to the
wolfson chip.

I know i can use the alsa driver, but i would like to experiment a bit
by addressing the hardware directly.

Does anyone have pointers on how to address the hardware and its
registers etc?
I want to write the program in C and need a starting point.

Example programs would be great, but all help is welcome!

Kind regards,
Ed



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Re: Another so suitable for freeruner?

2010-11-08 Thread urodelo
Hi. Thanks for the answer.

So you both are already working on replicant? That's good. I either don't  
like the android license, that's because I've thought that having a "free  
android", as the replicant is intended for, would be nice. I personally  
use qtmoko and shr, but for me more choices we have thebetter is. Of  
course it's a challenge even because gta02 is now getting a bit old (no  
flame!)  compared to other devices, but because of its diffusion, it would  
be a good thing for me to have it available for our fr and for next  
generation gta. free sw in free runner.

urodelo

On Mon, 08 Nov 2010 20:45:26 +0100, David Lanzendörfer  
 wrote:

>> I don't know them but imho it looks worth to have a kind of
>> "partnership" between Replicant and openmoko community...
> You know GNUtoo, and he knows me.
> So you know someone of the project.
> Replicant has moved Android-only right?
> I'm not so fan of Android, because of it's license strategy...
> Have you had a look? There is already SHR, with nice 3D
> and good usability growing.
> But if you wanna port Android onto the new OpenMoko.
> I'm sure GNUtoo will be pleased to do this too, as soon
> as he got a new OpenMoko.
> ATM we are still experimenting with the PCB.
> And soldering wildly around, because the board gives
> us some riddles.
>
> best regards
>   leviathan


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Re: Another so suitable for freeruner?

2010-11-08 Thread David Lanzendörfer
>I don't know them but imho it looks worth to have a kind of 
>"partnership" between Replicant and openmoko community...
You know GNUtoo, and he knows me.
So you know someone of the project.
Replicant has moved Android-only right?
I'm not so fan of Android, because of it's license strategy...
Have you had a look? There is already SHR, with nice 3D
and good usability growing.
But if you wanna port Android onto the new OpenMoko.
I'm sure GNUtoo will be pleased to do this too, as soon
as he got a new OpenMoko.
ATM we are still experimenting with the PCB.
And soldering wildly around, because the board gives
us some riddles.

best regards
leviathan


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Re: Backup "batteries" installed

2010-11-08 Thread Gennady Kupava
Hi, Benjamin and list

Yesterday i followed suggestion about capacitors and installed them.
Huge thanks for suggestion - one big annoyance fixed for me too! Now my
time is kept while i am replacing battery without any troubles, for far
i tested only few minutes of life without battery.

I did some measurements, that according to our pcf setup (qtmoko v28,
uboot), charge current is 200uA. According to my measurements with
multimeter capacitor were fully charged after 6 minutes. Also it may be
useful to note that self-discharge of capacitor is much higher than
li-ion battery and actually it is chaged only than our PMU is in Active
state (FR turned on or suspended). So it may discharge if it were laying
for a while _with_ main battery installed and then main battery removed
without turning on device.

I think also my story of finding capacitors may be helpful. Given that
digikey delivery for my country costs $120, i tryed some nearby shops
and internet in attempt to find this part without any luck. But it
turned out (from forums) that such capacitors are common in other phones
(like N70 and btw common reason to problems). So, i finally just walk to
nearby mobile repair service on nearby cheapest marketplace and bought 2
used capacitors from broken phones for $3. I left with feeling i payed
too much :)

Soldering were not really easy especially that after reading docs i
understood that part should be heated with extreme care, but i followed
suggestions, put it upside-down and cut some outputs.

Thanks and regards,
Gennady.


В Чтв, 04/11/2010 в 21:23 -0400, Benjamin Deering пишет:
> I have had the capacitors installed for a few days now and they are 
> still working well.  I left the FR with a dead battery overnight and 
> when I plugged it in in the following day, it had the correct time.
> 
> The digikey part number is: 728-1037-1-ND and the manufacturer's number 
> (seiko) is: XH414H-II06E.  I would recommend looking around on the site 
> to see if you can find one with the correct bracket.
> 
> Ben
> 
> On 10/30/2010 03:03 AM, Dr. H. Nikolaus Schaller wrote:
> > Am 29.10.2010 um 19:05 schrieb Benjamin Deering:
> >
> >
> >> Hello,
> >>
> >> I finished installing capacitors as replacements for the dead backup
> >> batteries in my Freerunners today at lunch.  They seem to be working,
> >> though I've only tried removing the main battery for under a minute so
> >> far.  Someone on the GTA-02-core list said a 220uf capacitor would power
> >> the RTC for 2 minutes.  If that is correct, the .07f caps I used should
> >> work for about 10 hours.
> >>  
> > Please report some test results.
> >
> >
> >> The parts I got from digikey weren't an exact fit, but I was able to
> >> make them work.
> >>  
> > Looks interesting. Do you have the exact order num...@digikey?
> >
> >
> >> Be sure to wear safety glasses if you try this, I had one of the old
> >> batteries explode when I was removing it.
> >>  
> > Oops! So it was not really dead an had enough energy inside. Maybe,
> > just the voltage was too low to run the RTC?
> >
> >
> >> Pictures: http://jeepingben.homelinux.net/index.php?level=album&id=20
> >>  
> > Good work!
> >
> > Nikolaus
> >
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> >
> >
> 
> 
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Re: Another so suitable for freeruner?

2010-11-08 Thread urodelo
Hi Brian.
They already know the FR, as we could guess. Actually they are looking for  
somebody willing to collaborate on that project. I'm reading they look for  
testers too, but I think any kind of help would be appreciated... Anybody  
interested? I don't know them but imho it looks worth to have a kind of  
"partnership" between Replicant and openmoko community...

urodelo

On Mon, 08 Nov 2010 16:37:14 +0100, Brian Kemp   
wrote:

> Hello urodelo.
>
> If I recall correctly, Replicant folk are quite familiar w/ FreeRunner &
> the OpenMoko phones.
>
> They are already using the GSM interface library written by OpenMoko. It
> should be fairly easy to port back & collaborate.
>
> On Mon, 2010-11-08 at 15:55 +0100, urodelo wrote:
>> Helo community.
>> Today I've read an article about a "new" so for mobile phones with  
>> android
>> installed. Its name is Replicant (http://replicant.us/). It comes from
>> android, and the intention of the developers is to clean android from
>> closed source code and provide a completely free/open environment. They
>> say, now they support HTC Dream / ADP1 and Google Nexus One, and are
>> willing to port Replicant to other devices. I've written a post on their
>> website to let them know about the freerunner.
>> What do you think?
>>
>> urodelo
>>
>>
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Re: Another so suitable for freeruner?

2010-11-08 Thread Brian Kemp
Hello urodelo.

If I recall correctly, Replicant folk are quite familiar w/ FreeRunner &
the OpenMoko phones.

They are already using the GSM interface library written by OpenMoko. It
should be fairly easy to port back & collaborate.

On Mon, 2010-11-08 at 15:55 +0100, urodelo wrote:
> Helo community.
> Today I've read an article about a "new" so for mobile phones with android  
> installed. Its name is Replicant (http://replicant.us/). It comes from  
> android, and the intention of the developers is to clean android from  
> closed source code and provide a completely free/open environment. They  
> say, now they support HTC Dream / ADP1 and Google Nexus One, and are  
> willing to port Replicant to other devices. I've written a post on their  
> website to let them know about the freerunner.
> What do you think?
> 
> urodelo
> 
> 
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Another so suitable for freeruner?

2010-11-08 Thread urodelo
Helo community.
Today I've read an article about a "new" so for mobile phones with android  
installed. Its name is Replicant (http://replicant.us/). It comes from  
android, and the intention of the developers is to clean android from  
closed source code and provide a completely free/open environment. They  
say, now they support HTC Dream / ADP1 and Google Nexus One, and are  
willing to port Replicant to other devices. I've written a post on their  
website to let them know about the freerunner.
What do you think?

urodelo


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Someone is trying to patent Quickwriting

2010-11-08 Thread Daniele Ricci
Greetings,
Some weeks ago a new software for Android has come out, the 8pen:
http://www.the8pen.com/

the video clearly introduces a modified/simplified version of
Quickwriting, an open (ie unpatented) input method invented a few
years ago.

Now they are trying to put a patent on it, even on variations! This is
outrageous, since the idea has already been thought. I think we still
apply against this patent, and move for a request to make it void
(it's still in pending state).

Here is the patent request:
http://www.the8pen.com/legal.html

Please help the open source community against this ridiculous attempt
to make money on an already invented thing.
Thanks,
-- 
Daniele Ricci

p.s. I already have a working implementation waiting to be pushed, so
let's not waste time! :-)

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