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by Joan Carles
Wed Apr 27, 2016 2:26 pm
Forum: Official Foundation Display
Topic: Is it possible to change configuration of official display?
Replies: 4
Views: 947

Is it possible to change configuration of official display?

Hi,

I need to increase the intensity parameters of 7" official display. I have seen that is possible to change the hdmi configuration, but I don't know if it is possible to change some parameters like contrast, brigthness... of 7" display.

Anyone knows?
Thank you!!
by Joan Carles
Wed Apr 27, 2016 2:14 pm
Forum: Troubleshooting
Topic: Installing Ros on Pi 3
Replies: 0
Views: 1177

Installing Ros on Pi 3

Hi, I am getting an error by trying to install Ros Indigo, at package libconsole-bridge on raspbian jessie (Raspberry Pi 3). I am following the next [tutorial](http://wiki.ros.org/ROSberryPi/Installing%20ROS%20Indigo%20on%20Raspberry%20Pi) It fails at step: sudo dpkg -i libconsole-bridge0.2*.deb lib...
by Joan Carles
Thu Mar 31, 2016 9:56 am
Forum: General discussion
Topic: Raspberry Pi 3 ad-hoc wi-fi crashes
Replies: 5
Views: 2616

Re: Raspberry Pi 3 ad-hoc wi-fi crashes

Thank you so much!

You are rigth.

I am in a lab and there's a lot of wifi signals. I have looked for a free channel and by the moment it is working more than 12 hours.

:)
Thanks!!!
by Joan Carles
Wed Mar 30, 2016 8:42 pm
Forum: General discussion
Topic: Raspberry Pi 3 ad-hoc wi-fi crashes
Replies: 5
Views: 2616

Re: Raspberry Pi 3 ad-hoc wi-fi crashes

Yes!

[ 8.186816] brcmfmac: brcmf_add_if: ERROR: netdev:wlan0 already exists
[ 9.774764] brcmfmac: brcmf_add_if: ERROR: netdev:wlan0 already exists
by Joan Carles
Wed Mar 30, 2016 4:52 pm
Forum: General discussion
Topic: Raspberry Pi 3 ad-hoc wi-fi crashes
Replies: 5
Views: 2616

Raspberry Pi 3 ad-hoc wi-fi crashes

Hi! I have configured an ad-hoc wi-fi in a Raspberry Pi 3, through the integrated wi-fi chip. I have followed the next steps and I got it working: http://www.rpiblog.com/2012/12/turn-raspberry-pi-into-wireless-access.html It's working fine, but just for a several hours. I am using a c++ code and tcp...
by Joan Carles
Thu Jan 07, 2016 4:08 pm
Forum: Official Foundation Display
Topic: Configurate 7" official display refresh speed
Replies: 0
Views: 387

Configurate 7" official display refresh speed

Hi,

I have been looking for if is possible to change de the 7" official display refresh speed (fps, frequency...) when it is connected by DSI port. I have not found the answer.

Does anybody know if it is possible and how?

Thank you!
by Joan Carles
Tue Oct 20, 2015 1:09 pm
Forum: Official Foundation Display
Topic: About official Raspberry 7" Display
Replies: 10
Views: 2353

Re: About official Raspberry 7" Display

Is there anyone?
by Joan Carles
Tue Oct 20, 2015 12:37 pm
Forum: Official Foundation Display
Topic: About official Raspberry 7" Display
Replies: 10
Views: 2353

Re: About official Raspberry 7" Display

I need to remove because I want to put into a determinate place.

I will try to cut :D

Thank you so much!
by Joan Carles
Tue Oct 20, 2015 9:38 am
Forum: Official Foundation Display
Topic: About official Raspberry 7" Display
Replies: 10
Views: 2353

About official Raspberry 7" Display

Hi everyone!

I bought it, but I need to remove the touch screen.

Is it possible to take off the touch screen from the display?

Thank you!!
by Joan Carles
Fri Oct 16, 2015 5:21 pm
Forum: Camera board
Topic: Remove metering
Replies: 39
Views: 6717

Re: Remove metering

I did it, it's working fantastic!!!

Thank you so much!!!!
by Joan Carles
Thu Jun 11, 2015 6:45 pm
Forum: Camera board
Topic: Remove metering
Replies: 39
Views: 6717

Re: Remove metering

I will try to find a few minutes to see why my previous fix for setting digital gain to x1.0 if not initialised isn't working any more.
It would be great!!
by Joan Carles
Thu Jun 11, 2015 12:35 pm
Forum: Camera board
Topic: Remove metering
Replies: 39
Views: 6717

Re: Remove metering

Sorry to be persistent (it's important) :D If I do what you say: You should look for a different way to fix the exposure mode. I.e. setting iso to 100 and the exposure compensation ev to -24. Or setting the exp mode to "auto" and switch to "off" after some time. { params->exposur...
by Joan Carles
Thu Jun 11, 2015 8:40 am
Forum: Camera board
Topic: Remove metering
Replies: 39
Views: 6717

Re: Remove metering

Yes, I am mixing them, I am in an intermediate level :oops: Thanks, because all you can tell me it helps me :) I am using userland tools, a modification of this program: http://www.cheerfulprogrammer.com/downloads/picamgpu/picam_gpu.zip (In this site: http://robotblogging.blogspot.co.uk/2013/10/an-e...
by Joan Carles
Wed Jun 10, 2015 8:34 pm
Forum: Camera board
Topic: Remove metering
Replies: 39
Views: 6717

Re: Remove metering

Hi! I am getting a bit crazy :) I need to make every values fixed on configuration of the PiCam in video mode, I guess as you guys. Could you confirm my assumptions please? I am using userland drivers. For taking off every auto values I have to set: params->sharpness = 0; params->contrast = 0; param...
by Joan Carles
Tue Jan 13, 2015 9:07 pm
Forum: General discussion
Topic: Can the Raspi be connected by tcp sockets forever?
Replies: 11
Views: 2259

Re: Can the Raspi be connected by tcp sockets forever?

while(1) { while (connect() == -1) usleep (10000); // Repite the loop every 10000 microsecond while (1) { if (error) send(data_before ); if ( send(data, tam_data ) == -1 || send(data, tam_data) != tam_data ) { save (data_before); error = 1; brake; } error = 0; } close(socket); }
by Joan Carles
Tue Jan 13, 2015 8:52 pm
Forum: General discussion
Topic: Can the Raspi be connected by tcp sockets forever?
Replies: 11
Views: 2259

Re: Can the Raspi be connected by tcp sockets forever?

I am beginner, but I supose: What happens when my server goes down and is restarted some time later? Does the client reconnect and continue communication? When that happens you lose the communication so you need to: client -> connect(); again server -> accept(); again You can put all in a while or t...
by Joan Carles
Tue Jan 13, 2015 8:04 pm
Forum: General discussion
Topic: Can the Raspi be connected by tcp sockets forever?
Replies: 11
Views: 2259

Re: Can the Raspi be connected by tcp sockets forever?

You are absolutly right!!
At the moment it has run several trials (3.5 hours and 4.5 hours) and it's working perfect. Right now it is runnig another one I want to leave all night. I write down your pieces of advice.

You are great! Thank you very much!
by Joan Carles
Mon Jan 12, 2015 10:15 pm
Forum: General discussion
Topic: Can the Raspi be connected by tcp sockets forever?
Replies: 11
Views: 2259

Re: Can the Raspi be connected by tcp sockets forever?

The code stay asleep here (I know thank to the printf): // ... 4 ..Enviar l'IMAGE........................................................ clock_t start = clock(); enviat = send(sock, circul,ni, 0); ((( <<<------------------------- HERE))) mvprintw(5,0,"Tamany de mensage enviat: %i Bytes, en %f ...
by Joan Carles
Mon Jan 12, 2015 10:07 pm
Forum: General discussion
Topic: Can the Raspi be connected by tcp sockets forever?
Replies: 11
Views: 2259

Re: Can the Raspi be connected by tcp sockets forever?

Thank you Heater, I need to improve my english. I am so glad for both pieces of advice :)

So as you say I supose I have an error in my code, and it is completely possible to keep the connection.
by Joan Carles
Mon Jan 12, 2015 9:57 pm
Forum: General discussion
Topic: Can the Raspi be connected by tcp sockets forever?
Replies: 11
Views: 2259

Re: Can the Raspi be connected by tcp sockets forever?

I would suspect that your problem is more likely than not a problem in your code. Can you post it. Of course! This is the client running on Raspberry (I have deleted some code no important because it was quite long). #include <stdio.h> #include <unistd.h> #include <cv.h> #include <opencv2/opencv.hp...
by Joan Carles
Mon Jan 12, 2015 8:52 pm
Forum: General discussion
Topic: Can the Raspi be connected by tcp sockets forever?
Replies: 11
Views: 2259

Can the Raspi be connected by tcp sockets forever?

Hi, I have done a tcp socket connection in c++ from Raspberry pi (client) to Ubuntu 14.04 (server). It runs perfect, Raspi is sending 3MB every second with no errors. But it "stops" about 2 hours later, no message error is showed. Both computers are not hang, they are working, but the two ...
by Joan Carles
Fri Jun 13, 2014 11:04 am
Forum: Camera board
Topic: Raspicam
Replies: 0
Views: 1526

Raspicam

Hi guys, Anyone can help me? I am trying to disable all automatic configurations of raspicam. In the documentation appears only both exposure and the white balance. I would like to make the digital opening shutter fixed, because I am going to vary the environmental light and works with this light in...

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