Questions tagged [yocto]
Yocto is a Linux Foundation project to help develop cross-platform embedded linux distributions.
37 questions
0 votes
1 answer
53 views
How to write boot command in uboot for my FIT image to boot in /dev/ram
I have been struggling with my uboot script to boot a fitImage with a particular partion table. I want to boot my fitImage on /dev/ram from uboot, but there is a compression error I don't understand. ...
0 votes
0 answers
29 views
Yocto image for Raspberry pi 3B+ fails to drive some displays of the same type (7 inch Raspberri Pi display)
We have a Yocto image with a QT 5.15.19 LTS application that fails to drive some 7" Raspberry Pi displays. The screen is black. The Yocto image has been working for years on the Raspberry pi 3B+ ...
1 vote
1 answer
154 views
Running chromium on Rpi5 using Yocto
I have a Raspberry Pi 5. I want to get chromium to run on it. I want to build Linux via Yocto. I'm using the Kirkstone branch of Yocto. My local.conf relating to chromium IMAGE_INSTALL:append = " ...
0 votes
0 answers
623 views
No wlan interface on a Yocto build for Raspberry Pi Zero W
I'm using Yocto (Kirkstone branch) to build a distro to be used on a Raspberry Pi Zero W. When loaded and running, the wireless adapter is not recognized by the OS. ifconfig shows only the lo device - ...
1 vote
0 answers
196 views
Yocto nl80211 not found [closed]
I am new to yocto. I am trying to run the built-in Wi-Fi in Raspberry Pi Zero W using yocto. I am getting this error when running iw wlan0: nl80211 not found I have included the following packages in ...
1 vote
1 answer
389 views
dhcpcd not calling wpa_supplicant on yocto image
Context I'm currently trying to bake a yocto image for the Raspberry Pi 3B and I want it to connect automatically to Wifi. This is the repo: https://github.com/retpolanne/raspberry-pi-image-ansible ...
1 vote
0 answers
148 views
Kernel doesn't start after tftp load
I'm trying to set up a rpi model 3b with a yocto distro and u-boot. I've built the core-image-minimal using bitbake and I have the RPI_USE_U_BOOToption set in my local.conf. The created image runs ...
2 votes
0 answers
236 views
RPi 3B+ & Yocto & U-Boot : free UART pins to be available for a RS232/485 HAT
I have the following hardware/software setup: Sferalabs StratoPi Base (Raspberry Pi 3B+ with a HAT for RS232/485) Distro built with Yocto and meta-raspberrypi on thud branch U-Boot SysVinit I want ...
0 votes
1 answer
599 views
Which way to go for RPI0W (Yocto) and WLAN fallback to AP mode when no network available
My intention is to start an (headless) RPI in AP mode when it is not able to connect to the configured WIFI network(s). I have seen several solutions, many of them related to Debian, but so far I was ...
0 votes
2 answers
1k views
Raspberry Pi Compute Module 4 SPI bus not registering on custom Poky OS [Yocto]
I am trying to get a MCP2515 (CAN-bus IC that works on SPI) to work on a Raspberry Pi Compute Module 4 (8GB eMMC, No Wifi, 4GB RAM). I have been able to get the module working on a regular Raspberry ...
0 votes
0 answers
623 views
Unable to play HD video using vlc
I buid an image for Raspberry pi 3b+ using yocto project. While building it I have used VLC instead of OMXplayer for playing videos, and enabled the hardware acceleration using --enable-omxil --...
0 votes
1 answer
928 views
Missing dtbo overlays in Yocto build for Compute Module 4, what do I need to get them added?
So I have a problem that I have half solved and was hoping someone would know how to solve the rest. So yesterday I encounted a problem that I asked and partially solved at the link below. CM4 Uart 0 ...
1 vote
1 answer
571 views
Raspberry Pi Compute Module 3+ and IO Board does not detect any USB devices on Yocto Poky
I have a Raspberry Pi Compute Module 3+ mounted on an IO board running Yocto Poky with linux 5.10.17-v7. I've installed different usb modules and libraries trying to make CM3 detect connected USB ...
0 votes
1 answer
1k views
Use HDMI output on headless system running on RPi4
I am using Yocto and meta-raspberrypi to build a Linux image running on my RPi4. I would like to send a video to one of the HDMI outputs, but without running a graphical environment (I don't need a ...
1 vote
1 answer
3k views
Detect RPi4 as usb network interface (g_ether/dwc2?)
My issue I am creating an image for my RaspberryPi 4 64 using Yocto and the meta-raspberrypi layer. I would like to plug the RPi into my laptop, have my laptop get an IP, and SSH into the RPi. My ...