Interfacing (DSI, CSI, I2C, etc.) • Re: RPi4 Model B VCHIQ not sending a...
I found the root cause. It was because I was not setting the top 2 bits of the physical address of zero slot to 1 before sending it to VideoCore. Apparently the top 2 bits enable cache coherency....
View ArticleGraphics, sound and multimedia • Re: Epson TFT Printer Display
Like with any random display: no data sheet --> not possible to connect!Find the data sheet of the display, post pictures of it. Then people might be able to help.I don't know very much about stuff...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • RPI4 VideoCore stops responding to MMAL...
Hello experts,I am very close to getting the MMAL + VCHIQ + CSI2 drivers done for the QNX 8.0 operating system.I conneted a Camera Module 3 to an RPI4, and I was able to debayer the RAW10 camera data...
View ArticleBeginners • Re: Attaching a PI to a traffic light
The data provided is insufficient to give a detailed solution.To accept such a wide range of AC or DC voltages there are more electronics internally that just a LEDs.Purely from the spartan...
View ArticleHATs and other add-ons • Re: A case for rethinking Pi5 cooling
..Why running a Python script when there is a kernel driver?Fan is connected to the GPIO, not to the fan header. Latter is already occupied by the Active Cooler connector. What do you have in mind?...
View ArticleGeneral discussion • Re: lirc installation failed on raspberry pi zero
I tried using LIRC https://www.lirc.org/ without success even though I could find my remote in the LIRC Remote Configurations https://lirc-remotes.sourceforge.net. Others have posted other failures...
View ArticleGaming • Re: GZDoom DOOM Engine Source Port on the Raspberry Pi 4 Computer
ok, last build, gzdoom-git-4.13pre+179+g6aa7118.MESA_LOADER_DRIVER_OVERRIDE=zink gzdoomCode: Using video driver waylandNumber of detected displays 1 .Creating window [1280x720] on adapter...
View ArticleTroubleshooting • Re: Duplicate Debian Bookworm RasPi Won't Boot - UUID...
If you copied the two partitions, rather than the entire disk, the partition table on the copy likely does not share the same disk identifier as on the original. That is the "08b92fe6" part. This is...
View ArticleGeneral discussion • Solved: Re: Wrong Keyboard Layout
Figured it out.It defaulted to something like a 107-key keyboard.101 was the key.Statistics: Posted by PiForumTroll — Fri Oct 04, 2024 11:41 pm
View ArticleAdvanced users • Re: Image File Utilities
@shawn-o,Do you get the same error messages backing up to a local storage device (USB flash drive, etc.) instead of SynNAS?Statistics: Posted by RonR — Fri Oct 04, 2024 11:45 pm
View ArticleGeneral discussion • solution for New RPi install won't update
This is a heads-up.I found the solution to a problem that is being discussed in forums all over the internet.My RPi5 with a fresh installation of the OS won't upgrade its packages.Nothing on the...
View ArticleGeneral discussion • Seeking Advice on Running YOLO with COCO Dataset on...
My team and I are working on a graduation project involving Raspberry Pi, and we could use your expertise.In our project, we plan to use the YOLO model for real-time object detection, trained with the...
View ArticleSDK • Re: Compile not reporting correct RAM usage
Note for an application-level C program running under Linux you might instead want to allocate as many variables on the stack as possible. In Linux the stack will grow as needed and placing things on...
View ArticleTroubleshooting • # key not working
Does anyone know why my # key only does an English pound symbol for currency? I picked the American keyboard and the USA for the country. Using Raspberry Pi Imager 1.8.5Statistics: Posted by mfmayes49...
View ArticleCompute Module • Re: Secure Boot
Encrypted file system is better but it needs TPM - otherwise the device cannot reboot automatically without somebody entering the password.you dont need a TPM to do that on the rpithe keys can be...
View ArticleSDK • Re: Second core not used after exiting method
It looks like a crash, some overflow or out of memory (or fragmentation).Care should be taken with calling C library functions from both cores simultaneously as they are generally not designedto be...
View ArticleGeneral • Re: Project without C++
But what's the point ?There is only one linker for both C and C++, and it is called from gcc. One can change that message "Linking CXX executable" with "Linking C, ASM (no C++) executable",problem...
View ArticleGeneral discussion • HELP !what is the best trained model -->yolo that fit...
In our project, we plan to use the YOLO model for real-time object detection, trained with the COCO dataset. Both the dataset and the class information will be stored locally on the Raspberry Pi. Our...
View ArticleHATs and other add-ons • Re: more complete boards without needing hats
If "cube" is the main problem, you can use USB to lay things out flat. Some NVMe adaptors can lay out flat. I have both.For WiFi upgrades, USB makes sense as the range of options changes every 2.3...
View ArticleGeneral discussion • Re: Does RPi have permission to patch Firefox?
Linux Mint ship a modified Firefox with the permission of Firefox although it appears to be a compromise where LM do not change some intrusive default settings. The bargaining with Mozilla is easier...
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