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In the zip file you can find the image, MD5 and documentation files. Here is an example:
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I tried to assign an IP address 169.254.60.100 via DHCP server, but it is not set on the RevPi. What can I do?
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The Ubuntu kernel lacks the DeviceTree device tree overlay for the CM4s → so it can't work without customization. We have forwarded a message to the development team. Possibly, the problem will resolve itself.
Is there an easy solution to mount any USB stick automatic after
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plugging in?
Yes, this works with an entry in the “fstab”, have a look here: https://www.raspberrypi.org/forums/view ... p?t=205016
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There is no such tutorial yet. You could use our imagebakery image bakery as a starting point to learn which parts of us have been modified (mainly our kernel and some tools).
https://github.com/RevolutionPi/imagebakery
Is there a 64-bit OS in the list of images that
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KUNBUS provides for the RevPi Core 3+?
No, we don’t provide a 64-bit OS
Please note that with other kernels than ours, there might be some work necessary regarding the support of piControl / our extension modules.
A good starting point would be our kernel repository (https://github.com/RevolutionPi/linux) and the piControl repository (https://github.com/RevolutionPi/piControl).
Forum discussion: https://revolutionpi.de/forum/viewtopic.php?f=6&t=3353#p12104
Is Would it be possible to change the configuration of a module during running operation?
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https://revolutionpi.de/forum/viewtopic.php?f=6&t=1403
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Would it be possible to just copy the image of RevPi Core 3 and write it into RevPi Core +
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8 GB?
Yes, this will work. But the full 8Gb eMMC memory is only available when the partition is expanded to full size. Run this command - you should run it anyway on cloned images to set the defaults - it will also expand the filesystemfile system:
| Code Block |
|---|
pi@RevPi40302:~ $ sudo revpi-factory-reset Usage: revpi-factory-reset <compact|connect|core> <serial> <mac addr> (see front plate) |
https://revolutionpi.de/forum/viewtopic.php?f=18&t=2531&p=9137
Is there a list of the used open-source licenses of a system image like Buster available?
There is a list that we have generated here for Buster:
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You can create your own image and thus your own list of licenses, see here:
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Yes, there is a known bug together with RevPi Core and Con Modules. Have a look here:
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Would it be possible to reduce the memory size of the image because the
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4 GB eMMC is almost exhausted with the standard image?
Yes, create a minimal image with the ImageBakeryImage Bakery.
https://github.com/RevolutionPi/imagebakery
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Would it
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be possible to change the static values of PiCtory dynamically?
Yes, but only with a workaround.
Don't forget Please keep in mind that the driver has to be restarted.
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https://revolutionpi.de/forum/viewtopic.php?f=6&t=3038#p10879
Is there another way to rest the driver programmatically
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, i.e. via C language?
Yes, with piControlReset();
Is a Rust library planned, like the library for Python?
noNo, this is not planned for the near future.
Others Questions…?
Do I have to format the RevPi when I connect the
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RevPi to a Windows device?
if If you get this message below, you can ignore it.
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I need kernel XY and have already seen code on the official GitHub RevolutionPi Revolution Pi repository here. When will this be available?
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The piControl kernel module will read the process image in a loop. You will have a race condition with the piControl reading the values and your application writing the values. It might work most of the time, but it can not cannot be guaranteed that the first value is written in one cycle and the 2nd value is written in the next. I'm currently not sure how long the cycletimes cycle times are and if it might work out for your usecase use case, even if the writes intercommunicates will be split up in two cycles.
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Will the Buster release include the standard
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Debian buster
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source list repository? The first one I tested had just the
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RevPi specific repository in the
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source list.
We currently only provide RaspiOS Raspberry Pi OS (former Raspbian) based images. So, even with Buster, it will be based on the RaspiOS Raspberry Pi OS and not directly on Debian. We are currently checking if we can also provide images based on Debian or another distribution. But we have no timeline if and when this will be ready
When I flash an image, the transfer rate is quite low.
Use the tool “SD Memory Card Formatter“ Formatter” and quick format your eMMC
I'm wondering if the Compute Module 3+ you're using in the Compact
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series can support displaying a Node-red dashboard via the HDMI port on a
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touchscreen, for example.
We're planning to release RevPi 4 Modules within this year. I can just say that it is possible to display Node-Red Dashboards on a an HDMI touch screen. But the performance depends on your application. If it comes to performance, I would recommend you to build yourself a custom image (Image-Bakery) in case you don't need to control IO data you can disable piControl, etc.
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