All Questions
36
questions
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answers
36
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ALSA: How to duplicate audio so it comes out of two devices at once
I have two devices playback_bt (Connects to BT chip) and aduplex_rtp (which delivers audio to a device/speaker over rtp). I can use aplay to play sound to them individually. I want to be able to write ...
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votes
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78
views
Yocto Project for a New Board
I am trying to hunt down specifics on Yocto in regards to how to set up the filesystem before the build of poky.
I have a new board that I wanted to try Yocto on.
I have this FS so far after source oe-...
- 105
0
votes
1
answer
93
views
How do I remove ntpd from the final image with my own recipe?
I want to get rid of all ntpd related stuff from my yocto linux image.
Currently I include the meta-openembedded layer, which is responsible that the NTP service ntpd is installed on my final image.
...
- 115
0
votes
1
answer
322
views
Stream MP4 file over usb
I have an embedded system running a custom distro built using Yocto. Later down the line, I will have a usb camera plugged into the system, but for not I would like to use a .mp4 file as a "dummy&...
- 103
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votes
1
answer
190
views
what are the potential benefits of using YOCTO for generating custom distro and rootfs over using the ones supplied by vendor [closed]
I read about comparisons between buildroot and YOCTO project (google) regarding building rootfs and wanted to ask a more general question:
What are the potential benefits of building my own rootfs ...
- 359
1
vote
1
answer
924
views
How do I edit '/etc/ld.so.conf' in a yocto recipe?
As suggested by Zac Anger, i copy this question over here:
I have a yocto recipe in which I copy/install some stuff to an image. After that, I want to add a line to the /etc/ld.so.conf file like this, ...
- 115
0
votes
1
answer
322
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IIO Unable to refill buffer: Connection timed out (110) error when running iio_readdev
I have made a custom Linux image with Yocto for use with CN0540 and DE10-Nano. The manufacturer of the CN0540 (Analog Devices) provides an evaluation image for the board, which works without issue, ...
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119
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How to install the wireless LAN card driver on embedded Linux
I wanted to use AP mode with embedded Linux and wireless LAN card
I connected the wireless LAN card to the embedded board with USB, but the commands like ifconfig and iwconfig didn't recognize it
...
- 1
0
votes
1
answer
1k
views
Yocto - check if a device tree is enabled in the image
I am currently generating a specialized Yocto image for a Beaglebone device. In the resulting /tmp/deploy/images folder I can see the resulting image, plus alot of device tree files .dtb for different ...
- 1,171
1
vote
0
answers
136
views
Use device tree or Kconfig to load a driver
I would like to add and enable a new device in an embedded Linux image.
Is it enough to just specify the information in a device tree file and then the driver for the device will get loaded based on ...
- 1,171
2
votes
1
answer
121
views
Embedded linux remote update
I build my own linux distribution using Yocto for Rpi CM4. I would like to have a possibility to update it remotely, without using Balena Etcher, just upload the built image and call some commands ...
- 41
1
vote
0
answers
247
views
DRAM problem with an fit image of increasing size
I have a 512 MiB ram capacity on a proprietary board with the Zynq700 SoC. This corresponds to the address range [0x00000000,0x20000000].
I run a ram-based operating system on it and it works fine ...
1
vote
0
answers
1k
views
How to access gpio-keys from a shell script
In my embedded linux system, I defined some GPIOs as keys in the device tree so I can use them as keys in my application. This works fine so far.
Now I want to add an early startup script to respond ...
- 13.5k
2
votes
0
answers
929
views
System is booting to "emergency/rescue mode"
This may not be the issue with Yocto itself but rather related to properly booting up Linux on Avenger96(STM32MP1) board. I am currently working on Avenger96 with Yocto(Dunfell). Aim is to implement ...
- 223
1
vote
3
answers
695
views
Integrate a younger qt version in an older yocto release
Our project is based on the meanwhile outdated yocto warrior, which was first modified by the vendor of our SoM. Then we integrated the FreeScale/NXP kernel into it because the mainline kernel did not ...
- 13.5k