> Cannot Open
> Cannot Open /dev/fb1 No Such File Or Directory
Cannot Open /dev/fb1 No Such File Or Directory
Topics: Active | Unanswered Index »Newbie Corner »/dev/fb0: no such file or directory [SOLVED] Pages: 1 #1 2011-06-25 07:12:37 tacitdynamite Member Registered: 2009-07-28 Posts: 12 /dev/fb0: no such file or directory I was following your advice before "It is a lot easier to compile right on the Pi. As a result, your viewing experience will be diminished, and you have been placed in read-only mode. I suspect it's because I'm running Ubuntu inside VMWare on my Mac, since I don't have access to a standalone Ubuntu machine. http://haywirerobotics.com/cannot-open/fatal-error-c1083-cannot-open-include-file-39-thread-39-no-such-file-or-directory.html
I had to set up a new raspbian-wheezy 2012-12-16 (on a slooowww 2gb sd-card) and did all steps except rpi-update. mwilliams03 says: February 13, 2013 at 3:48 am I don’t know what to say.. Just need a version of MAME that can use a framebuffer. I can't figure out how to use it though and really I want to be able to see the prompt for a project I'm doing.
Reply shorulz says: April 11, 2013 at 7:01 pm I was finally able to get it working. Also changed the rotation and other things you recommend to y. Bridged connection fixed it. Teenage daughter refusing to go to school How to make my logo color look the same in Web & Print?
- in the folder it creates there is only a hidden .git folder with other folder inside -= is that correct?
- I compiled the kernel more than once but this always happens.
- Some background information: Our touchscreen is based on the ADS7843 (compatible with ads7846 driver) chip, which you can see being activated (on our image) by calling lsmod: sudo lsmod Module Size
- To start with, as soon as I execute the above command, it tells me "make: /usr/bin/arm-linux-gnueabi-oldconfiggcc: Command not found".
- I am trying to run on Linux noveau driver (NVS420) WITHOUT X-Windows.
- After the kernel build the pi crashes (locks up) when it starts lightdm or basically anything X.
Reply mwilliams03 says: March 27, 2013 at 10:10 pm it should still be working. It seems that is happens randomly. If not, can someone please point me to a guide on how to write the necessary "glue" code? [email protected] ~ $sudo vi /etc/directfbrc #comment-## 1 -Add these lines to the end of the file fbdev=/dev/fb1 mode=128×160 #comment-## 0 -To run [email protected] ~ $sudo links2 -g -mode 128x160x32k www.google.com X
I'll give this whole tutorial a fresh go tomorrow; we'll see how it goes then. My SainSmart screen is solid white, and I did double check the connection per Kamal's chart. On my root I have /modules and /firmware, and inside of /lib is /3.6.11+; still, only the gradient appears, not the console. And the /sbin/fbterm-login stuff doesn't work at all.
sudo vi /etc/modules -Add these three lines to the bottom of the list; st7735fb spi-bcm2708 st7735fb_map -Reboot. Do not forget to set up the environment variables, if you run the command from another console. From what I understand, I need a relay to do this. Reply mwilliams03 says: December 3, 2012 at 10:05 pm I don't see why not.
Eg ~/modules/. http://stackoverflow.com/questions/19923741/qt-for-embedded-cannot-open-framebuffer-device Is this the best way to go about doing this or is there another way I could accomplish this through programming? Anyhow, I continue answering all the questions after which it executes some more and finally spits out this error "/bin/sh: 1: /usr/bin/arm-linux-gnueabi-oldconfiggcc: not found" "make: *** [kernel/bounds.s] Error 127" "make: *** had to use kamal's page for the pinout to my sainsmart device, but it works great!
And instructions. have a peek at these guys There are some changes in the install and I have updated the instructions above. Would it be difficult to modify this procedure to accommodate the new larger 2.2 TFT? As shown in the instructions above.
Texy says: February 18, 2013 at 12:35 pm Thanks for your continued support Mark - we will get there in the end! On the startup sequence, I do see that it's loading kernel modules st7735fb, spi-bcm2708, and st7735fb_map. Thanks KG Reply mwilliams03 says: April 10, 2013 at 3:30 pm 1. check over here I now have done a successsfull clone and am now ‘making'.
thanks in advance Reply mwilliams03 says: September 2, 2013 at 11:09 pm Your welcome. Reply shorulz says: April 2, 2013 at 6:18 pm If I do not cross compile and just compile using my Raspberry Pi, should I still be seeing a /dev/fb1? Only bgr16 mode will work move to the bgr16 tab and press enter.
The nVidia card is correctly probed and shows up as the 2nd framebuffer device on my target (/dev/fb1; /dev/fb0 is the on-board Intel VGA controller--the i915 chip variety).
I don’t know about getting multiple devices running via SPI, but what you are trying to do would be a great idea. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. but you have no /dev/fb1 this is strange. For both, I had to set the environment variable first.
If I have time this weekend, ill try with the latest distro mwilliams03 says: February 18, 2013 at 2:20 am okay… I tested 2013-02-09-wheezy-raspbian which is running 3.6.11 kernel. Is there any help? Reply ben says: January 22, 2013 at 10:34 pm hi, in your nice trutorial you are swapping from user [email protected] to [email protected]… and all my tries to run this line "[email protected] this content We will then rename it once it is on the Ubuntu box [email protected]~/raspberrypi-linux$ sudo scp [email protected]:config .
Thing is, it only works if nothing in the kernel itself needs patching… Cheers, Frank Reply Eric says: May 4, 2013 at 9:55 pm So I've attempted this four times now, KG says: April 10, 2013 at 2:58 pm Hi Mark First of alll, awesome job with documenting all details and replying to everyone and helping them out. [email protected]:~/raspberrypi-linux$ sudo rm -f -r ../modules/lib/modules/3.6.11+/build [email protected]:~/raspberrypi-linux$ sudo rm -f -r ../modules/lib/modules/3.6.11+/source [email protected] ~ $ sudo rm -f -r /lib/modules [email protected] ~ $ sudo rm -f -r /lib/firmware [email protected] ~ $ And I would agree with him Reply Eric says: April 21, 2013 at 8:10 pm Thanks for the reply!
As far as I now understand it, the st7735fb is part of the video subsystem. best regards ben Reply mwilliams03 says: January 23, 2013 at 1:55 am I have changed all the @ubuntu to [email protected] I have only been able to display on the TFT with SDL in c and Pygame in Python. Don;t take this as critisim, just an as suggestions for improvement.
Is there a way to compile your framebuffer device as a module on ‘any' kernel instead as part-of-the-kernel? what the touchscreen should default to: evtest /dev/input/event0 This will show you more information than the crude “cat” test suggested at the beginning of this article. Home Qt Development Mobile and Embedded QT_QPA_EGLFS_FB not picking up /dev/fb1 QT_QPA_EGLFS_FB not picking up /dev/fb1 This topic has been deleted. Another question - how easy is it to change the SPI bus speed after the process is finished (and proven to work at the default 4mhz).