Re: N800 audio connector jack

2007-09-07 Thread Jami Pekkanen
Jami Pekkanen wrote:
 I continued figuring out the headset detection, and I (accidentally) 
 noticed that the resistance is different depending on which direction 
 it's measured. On another direction it's about 1.8 kOhms and when 
 switching around the heads of the multimeter, I get ~1.1 kOhms. So now 
 I'm guessing that the detection is perhaps somehow done by comparing 
 this difference.
 
 Unfortunately my knowledge in electric circuits isn't too vast and I'm 
 having a hard time even imagining what kind of circuit could do this. 
 Could someone with more experience in electrical systems shed some light 
 on what could be happening here?

Continuing my monolog.

I came to think to me that this could be done with a diode.
Unfortunately my knowledge in them is even worse than with resistors.

- Jami


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Re: latest rtcomm beta b0rked my add account button.

2007-09-07 Thread Jesse Guardiani
Alberto Mardegan wrote:
 ext Jesse Guardiani wrote:
   
 It's still broken. Is there anything I can do to find out why it's broken?
 

 There is a bug for it in the bugzilla:
 https://bugs.maemo.org/show_bug.cgi?id=1952

 It would be great if you could SSH into the device and run

 maemo-summoner /usr/bin/controlpanel.launch

 and post here (or even better in the bugzilla) what happens.

 Ciao,
Alberto
   

Thanks. https://bugs.maemo.org/show_bug.cgi?id=1952#c11



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Programmer/Sys Admin
[EMAIL PROTECTED]

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Re: N800 audio connector jack

2007-09-07 Thread Jami Pekkanen
Jami Pekkanen wrote:
 Kemal Hadimli wrote:
 1520 ohms.
 headset button pressed it goes down to 47 ohms.
 
 Thanks! I bought a multimeter and got similar values. The 40-50 ohms 
 seems to be the headset's (microphone's and speakers') internal resistance.
 
 However, I now have a circuit (now just made of resistors) that has 
 almost identical resistances as the headset, but it still won't shut 
 down the internal microphone. Could there be some other magic that the 
 device is using to probe for the microphone?

Replying to myself here.

I continued figuring out the headset detection, and I (accidentally) 
noticed that the resistance is different depending on which direction 
it's measured. On another direction it's about 1.8 kOhms and when 
switching around the heads of the multimeter, I get ~1.1 kOhms. So now 
I'm guessing that the detection is perhaps somehow done by comparing 
this difference.

Unfortunately my knowledge in electric circuits isn't too vast and I'm 
having a hard time even imagining what kind of circuit could do this. 
Could someone with more experience in electrical systems shed some light 
on what could be happening here?

Thanks
- Jami
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Re: I wish you could see what was running before Nokia dies

2007-09-07 Thread Kemal Hadimli
Hi again :)

Latest osso-statusbar-cpu has some code in it to average cpu usage and
notify you (it won't log, just play a sound and display a
notification) if something's hogging the cpu (aka draining the
battery)

Here: http://www.maemo-hackers.org/browser/osso-statusbar-cpu/trunk

It's not included in a release (yet) though.

(also posting to the list this time, sorry wrong email)

On 9/7/07, Tony Maro [EMAIL PROTECTED] wrote:
 Last night I charged my n800, then did a little web browsing.

 As always, I went into offline mode, then locked the screen and placed it
 beside the bed.

 When I woke up, the battery was stone cold dead.

  I wish there were a way to know what might have been running that killed
 the battery...

 I wonder how hard it would be to write an application that watches processes
 for high usage and logs every 5 minutes if something is hogging the CPU.
 Maybe have it live as an icon by the battery meter or something...

 --
 Tony Maro
 http://www.maro.net/ossramblings.php
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I wish you could see what was running before Nokia dies

2007-09-07 Thread Tony Maro
Last night I charged my n800, then did a little web browsing.

As always, I went into offline mode, then locked the screen and placed it
beside the bed.

When I woke up, the battery was stone cold dead.

I wish there were a way to know what might have been running that killed the
battery...

I wonder how hard it would be to write an application that watches processes
for high usage and logs every 5 minutes if something is hogging the CPU.
Maybe have it live as an icon by the battery meter or something...

-- 
Tony Maro
http://www.maro.net/ossramblings.php
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Hildon Input Method is released

2007-09-07 Thread Mohammad Anwari
Salaam,

(Sorry to cross posting)

Today we are releasing the Hildon Input Method.

The part we are opening are the input method framework, common UI part
and plugin system plus a plugin example.

They are released in LGPL version 2.1 (for the framework and the common
UI part) and BSD (for the plugin example).

Check our (new) homepage:
http://live.gnome.org/Hildon/HildonInputMethod

Enjoy.
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Re: latest rtcomm beta b0rked my add account button.

2007-09-07 Thread Alberto Mardegan
ext Jesse Guardiani wrote:
 It's still broken. Is there anything I can do to find out why it's broken?

There is a bug for it in the bugzilla:
https://bugs.maemo.org/show_bug.cgi?id=1952

It would be great if you could SSH into the device and run

maemo-summoner /usr/bin/controlpanel.launch

and post here (or even better in the bugzilla) what happens.

Ciao,
   Alberto

-- 
http://www.mardy.it -- Geek in un lingua international!
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Re: Hildon Input Method is released

2007-09-07 Thread wolfg
2007/9/7, Mohammad Anwari [EMAIL PROTECTED]:
 Salaam,

 (Sorry to cross posting)

 Today we are releasing the Hildon Input Method.

 The part we are opening are the input method framework, common UI part
 and plugin system plus a plugin example.

 They are released in LGPL version 2.1 (for the framework and the common
 UI part) and BSD (for the plugin example).

 Check our (new) homepage:
 http://live.gnome.org/Hildon/HildonInputMethod

 Enjoy.
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So, it's possible to extend Hildon Input Method for other language
such like Chinese?

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Re: N800 audio connector jack

2007-09-07 Thread Jami Pekkanen
Jami Pekkanen wrote:
 Continuing my monolog.
 
 I came to think to me that this could be done with a diode.
 Unfortunately my knowledge in them is even worse than with resistors.

I took some lessons from Wikipedia and came up with a circuit diagram 
that could give similar resistances than the headset:

  --- R1 -
+   ||
  - V1 -- R2 
 |-
 M
 |+
  ---
-

Where R1 is 1.8 kOhm resistor, R2 is 2.7 kOhm resistor, V1 is a diode 
and M is the plugged in microphone. The diagram may be wrong way around, 
but the idea is that to one way the circuit has ~1.8 kOhm resistance and 
to another ~1.1 kOhms. However, at least my diode (1N4004) seems to have 
too high set-on voltage for my multimeter's ohmmeter while the headset 
can be measured OK, so I can't verify the results with it.

Also I noticed that there seems to be two inductors, one semiconductor 
and a small resistor (50 Ohm) in the headset and there's probably a 
bigger resistor in the push-button. There also was some component 
between the microphone's pins which I assume is a conductor for the mic 
(I lost the component). Also I can't get any readings of the 
semiconductor (it's marked V01, which would say it is one) and I have no 
idea how to measure specs of the inductors. However, I'd guess that the 
circuit has some kind of transformer for the microphone, which could 
also lower the set-on voltage of the diode.

So to put the above together, I have mostly faint guesses how the system 
may work and any advice from people with more knowledge in electronics 
would be very appreciated.

PS. This seems to drift quite a bit away from the list's topic, so feel 
free to tell me to shut up when you get enough of these ramblings ;)

- Jami
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Re: N800 audio connector jack

2007-09-07 Thread Kemal Hadimli
Should try 1n4148 as the diode, although I can't offer much help/ideas
other than that. Very limited electronics knowledge.

You can salvage 1n4148 or alikes from any radio or scrap pcb lying
around. Look for the tiny orange-ish[1] diodes.

[1] http://www.eleinmec.com/figures/029_02.gif

On 9/8/07, Jami Pekkanen [EMAIL PROTECTED] wrote:
 Jami Pekkanen wrote:
  Continuing my monolog.
 
  I came to think to me that this could be done with a diode.
  Unfortunately my knowledge in them is even worse than with resistors.

 I took some lessons from Wikipedia and came up with a circuit diagram
 that could give similar resistances than the headset:

   --- R1 -
 +   ||
   - V1 -- R2 
  |-
  M
  |+
   ---
 -

 Where R1 is 1.8 kOhm resistor, R2 is 2.7 kOhm resistor, V1 is a diode
 and M is the plugged in microphone. The diagram may be wrong way around,
 but the idea is that to one way the circuit has ~1.8 kOhm resistance and
 to another ~1.1 kOhms. However, at least my diode (1N4004) seems to have
 too high set-on voltage for my multimeter's ohmmeter while the headset
 can be measured OK, so I can't verify the results with it.

 Also I noticed that there seems to be two inductors, one semiconductor
 and a small resistor (50 Ohm) in the headset and there's probably a
 bigger resistor in the push-button. There also was some component
 between the microphone's pins which I assume is a conductor for the mic
 (I lost the component). Also I can't get any readings of the
 semiconductor (it's marked V01, which would say it is one) and I have no
 idea how to measure specs of the inductors. However, I'd guess that the
 circuit has some kind of transformer for the microphone, which could
 also lower the set-on voltage of the diode.

 So to put the above together, I have mostly faint guesses how the system
 may work and any advice from people with more knowledge in electronics
 would be very appreciated.

 PS. This seems to drift quite a bit away from the list's topic, so feel
 free to tell me to shut up when you get enough of these ramblings ;)

 - Jami
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