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Showing results 1 to 25 of 58 @ 0.01 seconds. Search: Posts Made By: justforfun
Forum: Nokia N900 2011-11-23, 09:29
Replies: 2
Views: 2,065
Posted By justforfun
How to check N900's sound volume?

Hi,

I hope there is a method to check N900's system sound volume, so that I can read the volume number from terminal, e.g. sysfs or devfs?
I need to use this number to do my application....
Forum: MeeGo / Harmattan 2011-10-04, 03:03
Replies: 4
Views: 7,475
Posted By justforfun
How to compile N9's linux kernel? And how to flash N9?

I downloaded N9's Linux kernel source code, but how to compile it if I make some change of it? After that, how to flash the new kernel into N9?

I know the process on N900, but as for N9, no idea....
Forum: Nokia N9 / N950 2011-10-03, 04:20
Replies: 3
Views: 3,232
Posted By justforfun
Re: How to view message from N9 kernel?

Thanks, lma. But I don't know how to use syslog. Any suggestion?

I searched via Google and found the solution on how to enable dmesg on N9. Just like below, it solves my problem. It is a little...
Forum: Nokia N9 / N950 2011-10-03, 04:05
Replies: 11
Views: 7,547
Posted By justforfun
Re: Where to download the kernel source code of N9?

Thank you everyone! My meaning is that N900's Fremantle kernel source (I downloaded it already) must be different from N9's Harmattan kernel source, so where to download it.
Now I download both...
Forum: Nokia N9 / N950 2011-10-02, 06:57
Replies: 1
Views: 1,615
Posted By justforfun
Re: How to control N9's GPIO?

Is anyone interested in this topic? GPIO is very important for hardware control, and it is the first step to learn/grasp.
Forum: Nokia N9 / N950 2011-10-02, 05:35
Replies: 11
Views: 7,547
Posted By justforfun
Re: Where to download the kernel source code of N9?

Thank you very much!
Forum: Nokia N9 / N950 2011-10-02, 04:32
Replies: 11
Views: 7,547
Posted By justforfun
Where to download the kernel source code of N9?

It must be different from N900's, am I right? Where and how to download it? Thanks!
Forum: Nokia N9 / N950 2011-10-02, 04:28
Replies: 3
Views: 3,232
Posted By justforfun
How to view message from N9 kernel?

I tried dmesg but ...
RM696-34-1_PR_005:~# dmesg
dmesg: klogctl: Operation not permitted

How can I see the message from kernel of N9? Thanks!
Forum: Nokia N9 / N950 2011-09-30, 15:54
Replies: 1
Views: 1,615
Posted By justforfun
How to control N9's GPIO?

I didn't find /dev/mem on N9, so I cannot use mmap function to control its GPIO. Do you have any idea? Thanks!
Forum: Nokia N900 2011-09-21, 15:33
Replies: 1
Views: 2,584
Posted By justforfun
How to control N900's GPIO?

I think this is a very basic but important question.
I did a trial just now but failed. The code is below.
GPIO 0x48002110 is the CAM_B_EN signal of N900, which could change the camera to A or B....
Forum: Maemo 5 / Fremantle 2011-09-11, 16:27
Replies: 2
Views: 11,710
Posted By justforfun
Re: How to make a 'Bluetooth serial port' between N900 and laptop(Linux)?

I guess it should be related with the passkey/pincodes, but I didn't know how to set the passkey/pincodes under the latest bluez version(installed via apt-get install bluez).

And I did another...
Forum: Maemo 5 / Fremantle 2011-09-11, 16:04
Replies: 2
Views: 11,710
Posted By justforfun
How to make a 'Bluetooth serial port' between N900 and laptop(Linux)?

I did a trial to setup a 'Bluetooth serial port' between my N900 and my laptop(Ubuntu installed), but failed.
I record the process as below, please help to find the reason, thanks!

On the laptop...
Forum: Maemo 5 / Fremantle 2011-02-27, 07:03
Replies: 10
Views: 2,855
Posted By justforfun
Re: How to reduce the time of kernel's re-compiling?

I think your answer is most reasonable. Unfortunately I cannot repeat what I mentioned. Now whenever I recompile the kernel under scratchbox(in any case), the compile time is short. I don't know why.
Forum: Maemo 5 / Fremantle 2011-02-27, 06:57
Replies: 10
Views: 2,855
Posted By justforfun
Re: How to reduce the time of kernel's re-compiling?

This is a good suggestion, I will try it.
Forum: Maemo 5 / Fremantle 2011-02-27, 06:53
Replies: 10
Views: 2,855
Posted By justforfun
Re: How to reduce the time of kernel's re-compiling?

Yes, that is a good way and I have done that.
Forum: Maemo 5 / Fremantle 2011-02-14, 02:35
Replies: 7
Views: 4,686
Posted By justforfun
Re: Where to find N900's touch coordinate data?

Hi, I don't know whether it is calibrated or not. The data I got is as below. For the first 3 pairs of data, they seem to be wrong. And the rest ones seem to be right. The bottom-left corner of the...
Forum: Maemo 5 / Fremantle 2011-02-14, 02:27
Replies: 10
Views: 2,855
Posted By justforfun
How to reduce the time of kernel's re-compiling?

Hi, when I compile the kernel of N900(2.6.28-omap1) for the first time in scratchbox, the time is quite long, everyone knows that. And then I made some change of the kernel, recompile it, now the...
Forum: Maemo 5 / Fremantle 2011-01-29, 08:08
Replies: 7
Views: 4,686
Posted By justforfun
Re: Where to find N900's touch coordinate data?

Hi Nicolai, thank you! Now I can show it correctly. Although I am not familiar with python, but I got hint from your code.
Forum: Maemo 5 / Fremantle 2011-01-29, 08:05
Replies: 7
Views: 4,686
Posted By justforfun
Re: Where to find N900's touch coordinate data?

Hi, thank you for your reply! But I think nicolai is right, those are binary instead of encoding issue.
Forum: Maemo 5 / Fremantle 2011-01-26, 07:38
Replies: 7
Views: 4,686
Posted By justforfun
Re: Where to find N900's touch coordinate data?

The touch coordinate data should be in file /dev/input/event3, I used below command to show it.

cat /dev/input/event3

And then I touch the screen of N900 and some charaters are output on the...
Forum: Maemo 5 / Fremantle 2011-01-25, 14:49
Replies: 7
Views: 4,686
Posted By justforfun
Where to find N900's touch coordinate data?

Hi, does anyone know where to find N900's touch panel's coordinate data? I know N900 uses TSC2005 as its touch panel controller. And I run below command to get some hints. If I want to access the...
Forum: Maemo 5 / Fremantle 2011-01-01, 03:54
Replies: 2
Views: 2,558
Posted By justforfun
Re: Which one does N900 uses? OMAP2 or OMAP3?

Thank you! I found a good method, it is to to check '.config' file to see whether the corresponding setting is selected or not.
Forum: Maemo 5 / Fremantle 2011-01-01, 03:28
Replies: 2
Views: 6,948
Posted By justforfun
Re: In Linux kernel, 'PHYS_OFFSET=0x80000000' for OMAP3, why?

Thank you! You are right :)
Forum: Maemo 5 / Fremantle 2010-12-28, 04:10
Replies: 2
Views: 2,558
Posted By justforfun
Which one does N900 uses? OMAP2 or OMAP3?

As I know, N900 uses a OMAP3 processor. But when I try to find the code of N900 display part, I went into below path and found only two directories related with omap, one is omap, another one is...
Forum: Maemo 5 / Fremantle 2010-12-28, 04:05
Replies: 2
Views: 6,948
Posted By justforfun
In Linux kernel, 'PHYS_OFFSET=0x80000000' for OMAP3, why?

Hi, in Linux kernel 2.6.28, which is used by N900, I am trying to understand 'head.S' and have a question now. In 'head.S', there is a macro 'PHYS_OFFSET', and I can find its definition in file...
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