Use this tag to refer to the Yocto layer specific to the raspberry pi.
Questions tagged [meta-raspberrypi]
34 questions
1
vote
0 answers
Yocto build fails to fetch sources for libtalloc, how to fix that?
I'm trying to build Yocto for Raspberrypi2, with qt5-image, and it gives me some build errors, most I have been able to resolve with:
bitbake -c cleansstate libname
bitbake libnam
but it failts in:
WARNING: libtalloc-2.1.8-r0 do_fetch:…
Steve
- 11
- 3
1
vote
1 answer
Read byte fails on Raspberry Pi 3: [errno 5] input/output error
I have adafruit pressure and temperature sensor BMP180 connected to I2C of Raspberry Pi 3. The device is detected on 0x77 address of I2C, i2cdump runs with no error and shows correct values (e.g. byte 0x55 in 0xD0 as described in Bosch…
Alexei
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1
vote
0 answers
Image convolve on arm v7 using neon
I am searching for a very fast convolution function for the Raspberry Pi 2 written in ARM v7 assembly with neon (.s or instric).
If this doesn't exist (I searched for several days) any help to write it is welcome, I begun to read neon programmer's…
escdr
- 11
- 3
1
vote
1 answer
Where is my .rpi-sdimg (Yocto Project - Toaster)?
I am currently trying to build a simple image for my raspberry pi 2 using toaster, the web gui of yocto project.
Everything works fine and the build succeds.
Every tutorial I've found is telling me to use dd on the file…
L0MiN
- 91
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Where is the symlink created for a generated Yocto sdcard image
I modified an existing Yocto class (sdcard_image-rpi.bbclass) which generates an SD card image. The new class has a different name as well. Everything works as expected with one exception. When bitbake is finished, symlinks are created, which point…
Waldorf
- 833
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0
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1 answer
Kernel modules not loaded during boot
Observing that some kernel modules are not being loaded in the latest kernel 5.15.34-v7.
So I have built a core-image-base from meta-raspberrypi (0135a02) and while trying access the camera using Picamera got some errors. The errors mainly complain…
Bhargav Das
- 81
- 2
- 14
0
votes
2 answers
yocto - local build stuck on running do_compile tasks for two library
I am trying to build a core-image-minimal image raspberry pi 4 target machine.
For the setup project;
I am using latest dunfell distribution version which is 3.1.12
I added onl poky, meta-openembedded and meta-raspberrypi layers and also added…
Gökçe Demir
- 13
- 5
0
votes
1 answer
How to hide linux boot log over boot logo?
I am compiling Yocto for Raspberry Pi 4, I am able to add a kernel boot logo by applying a patch on top of linux-raspberrypi kernel using this blog post. With this blog I am able to boot with the boot logo but some of the logs coming over the…
Arghya Biaswas
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votes
1 answer
Rust recipe depends on library from other recipe
I am trying to generate a package from a Bitbake recipe for Raspberry Pi:
inherit cargo
SUMMARY = "myapp"
DESCRIPTION = "Compile and configure myapp"
LICENSE = "CLOSED"
HOMEPAGE = "git://git.myserver.com:myapp/myapp.git"
DEPENDS = "openssl…
esguti
- 234
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0
votes
1 answer
Not able to import python tty module in raspberry pi yocto build
Description
Error while python tty module.
How to enable this module in yocto build ?
Environment
root@raspberrypi3-64:~# uname -a
Linux raspberrypi3-64 5.4.83-v8 #1 SMP PREEMPT Wed Jan 20 09:59:41 UTC 2021 aarch64…
Bhargav Das
- 81
- 2
- 14
0
votes
1 answer
Get IP address on RaspberryPi 4 running Yocto image
I used bitbake to generate a Linux image for my raspberry pi 4 board following the instructions provided in the meta-raspberrypi layer (https://github.com/agherzan/meta-raspberrypi). I am able to connect to my board using an FTDI USB to UART cable…
moose
- 55
- 2
- 10
0
votes
1 answer
Add wilc3000 driver to Yocto raspberry pi
I want to build my own yocto image for a raspberry (cm3). I use the meta-raspberry (dunfell) layer and poky dunfell-23.0.0.
For installing the microchip wilc3000 module I have to modify the kernel following this guide. In that way, I change the…
esguti
- 234
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- 11
0
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0 answers
yocto raspberrypi showing default splash instead of raspberrypi splash
I tried to build rpi-basic-image and core-image-base ( rpi-basic-image.bb suggest to build core-image-base because rpi-basic-image is deprecated) for raspberry pi zero wifi. I am able to build and boot these images. But these images shows yocto…
sanjay
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1 answer
Build Yocto image on a RPi B+
I am new to Yocto, but I was wondering if it is feasible to build a Yocto rpi-basic-image on Raspbian using a B+ model with a 128GB SD card.
Is this possible?
0
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0 answers
What determines how fast a program runs?
I think the answer may be CPU clock speed, but basically the only way I can answer this question really is with a weird scenario which I thought about while on holiday..
Lets say there is a raspberry pi on the side of the road, counting how many…
TGH101
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