General • Re: RP2350 arm floating point support
What are the implications RTOS context switch?Eesh; so many tricky questions!If you set configENABLE_FPU=1 in your FreeRTOSConfig.h then FP context will be saved/restored on task switch otherwise it...
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For sale • Re: IMX327/462(RGB/MONO)/662(RGB/MONO)/678/585 Excellent...
The IMX327, IMX462LQR/LLR, and IMX662AAQR/AAMR small form factor M12 lens mount board samples and IMX585 CS mount board sample are now available. Camera driver and IQ tuning file working with...
View ArticleFor sale • Re: IMX327/462(RGB/MONO)/662/675/678/585 Excellent Sensitivity...
As replied by email, IMX678 cannot execute C-HDR function by herself. Need the assist of ISP to synthesis two different exposure images.On the other hand, IMX585 can do it by herself.I have the...
View ArticleTroubleshooting • Re: Pi 5 won't boot Pi 4 SD card (Bookworm)
Are you running vanilla Debian, rather than Raspberry Pi OS (which is Debian + Pi goodness)? Your kernel doesn't look like a normal Raspios 12/Bookworm kernel. The latest Raspios aarch64 kernel is...
View ArticleGeneral discussion • Re: how to create a data repository Pi ai can access
It doesn't give me an error code or report it simply tells me that it can no longer do it and then it apologizes and defers the responsibility for it's inability on it's developer's policies or some...
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Troubleshooting • Stepper motor killed my EEPROM and USB ports? Help autopsy...
I've built a project that uses Processing on my RPi4 to read a rotary encoder and then turn a stepper motor until the motor's own encoder value matches the original input. In individual code snippets,...
View ArticleTroubleshooting • Re: Speed Issues on RPI 4B
I think the slow Raspberry Pi goes into an I/O wait state and while waiting the CPU clock is reduced to save energy. It's possible the SD card on the slow Pi is slower or about to wear out. If running...
View ArticleGeneral • Re: Uploading to Pico took out Bookworm desktop
Let me just say, I'm not sure, but could you please clarify what the rug pulling usually is?The upload appears to confuse the USB host, and dmesg seems to say SD card boot sector can't be read to mark...
View ArticleJava • Accessing Camera Pixel Data through Java?
Is there a way to access the PiCam V2 pixel data through Java? Using Java 17, Pi 5, Debian 12 (Bookworm)The camera shows up great with both `libcamera` and `rpicam` so I know it's connected correctly....
View ArticleSDK • Re: How to turn off optimization, and other debugging tips?
Thank you for your responses.It seems you have to set these from the command line, not in CMakeLists.txt:I'm using VSCode, and it isn't clear to me how to change the command line passed into cmake....
View ArticleOther projects • Raspberry pi control of vehicle flashing lights (I’m a...
So I am a firefighter and where I live we respond in our POV to the hall and sometimes to the scene. We use green flashing lights to mark our vehicles as emergency vehicles on the way to the trucks....
View ArticleSDK • Re: Problem Specifying Custom Board File
Thank you very much for your response, and even more for the added details and suggestions.I changed to Code: CMAKE_CURRENT_SOURCE_DIR, and sure enough that did the trick. I was able to remove the...
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Troubleshooting • [RPi4] Burnt out component
Hello,Recently one of the components on my 8gb RPi4 burnt out.Now when I plug it in only the red light comes on, and the component gets very hot and smells like burning silicon.I think it is a tvs...
View ArticleSDK • Re: HAS_RP2040_RTC analog in CMakeLists.txt
I discovered I can simply remove hardware_rtc from target_link_libraries and it still builds OK with PICO_BOARD pico. I don't know why that works. Maybe hardware_rtc gets pulled in by...
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Networking and servers • Re: RAID setup problem
Good evening everyone, I have a Raspberry Pi 4 8GB RAM that I use as a server, to this I have attached (via a powered hub) 5 HDDs, 1 for data sharing with SAMBA (4Tb), I would like to set up the other...
View ArticleGeneral discussion • Controlling a USB device with GPIO pins?
I have a USB strip of LEDs that I'm powering through a 4-port hub that is not connected to the Pi in any way.The Pi is running an OctoPrint instance with a plugin to control GPIOs.I want to turn the...
View ArticleSDK • FreeRTOS pico2 configENABLE_MPU
I'm able to build OK with PICO_BOARD pico2 if I #define configENABLE_MPU 0 in FreeRTOSConfig.h.I cloned git@github.com:raspberrypi/FreeRTOS-Kernel.git and I'm pulling it into CMakeLists.txt like...
View ArticleAI Accelerator • Re: Tutorial of AI Kit with Raspberry Pi 5 about YOLOv8n...
What does this offer over the pi instructions? https://www.raspberrypi.com/documentati ... ng-startedIf you want to train your own yolo model, you should install hailo dataflow compiler and hailo...
View ArticleGeneral • Re: Trying to understand printf on FreeRTOS SMP on Pico
I am using SDK 2.0 ( I should have mentioned it). I got the kernel from the FreeRTOS repo. It appears that the fix is in.Statistics: Posted by yamanoorsai — Wed Sep 11, 2024 6:03 am
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Troubleshooting • Re: /dev/gpiochip4 is missing after update/upgrade
You're in good company, I believe it's taken out their own(ish) gpiozero python module too, used by schools, educators, loads of home makers etc. many are seeing the same problem there despite how...
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