C/C++ • UNIX time overflow
UNIX time based on epoch on 1 Jan 1970 will overflow in year 2038 https://en.wikipedia.org/wiki/Year_2038_problem What is the best practice solution that is wide adopted in creating NEW C and python...
View ArticleRaspberry Pi OS • Create Bookworm kernel deb packages
For Bullseye I was able to create my own kernel deb package with some workarounds (see https://github.com/theAndreas/raspberrypi-kernel64-rt). But with the new release Bookworm, the names and contents...
View ArticleCompute Module • CM4IOUSB3 appnotes section 2.7
Dear all, In the CM4IOUSB3 reference design there are decoupling caps on the TX pair of the VL805. However, there are no decoupling caps on the TX side of the CM4. According to PCIe spec there should...
View ArticleGeneral • Re: Connecting a lot of potentiometers to raspberry pi pico
The RP2040 chip in a pico has one ADC. The four ADC input pins go through an internal mux to that single ADC. Only 3 are available on a pico.This is true, but if using external multiplexing then there...
View ArticleBare metal, Assembly language • Re: Raspberry Pi 5 Memory Map -- Accessing...
The Linux driver *is* the documentation, same for display.Statistics: Posted by timg236 — Thu Apr 04, 2024 9:04 am
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: How to low chip select pin 0.
After deleting all the code related to gpio lines. I don't get any errors, but it does not read or write any of the values.I am getting a result as belowpi@raspberrypi:~$ sudo python spi_w25q.pyRead...
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Troubleshooting • Re: Camera interface option
when I give the order: libcamera-hello --list-cameras, I see an available camera. when I give this command to run libcamera-still -o test.jpg , it writes me this: INFO Camera camera_manager.cpp:284...
View ArticleMicroPython • Setting a timer to start at a specific time
I have some poor 433MHz transmitter/receivers. I acknowledge these are hopeless but the following is more for a learning purpose rather than practical application (and it has thrown up some...
View ArticleAssistive technology and accessibility • Help installing Raspberry Pi OS on HDD
I bought the Maxone Portable External Hard Drive 160GB - 2.5" USB 3.0 to format and install Raspbian OS on my Raspberry Pi 4b. I made a mistake because I wanted it to be an SSD. Do you recommend me to...
View ArticleCompute Module • Re: Secure boot problem
I rebuild the example image using buildroot, using my private key and replaced the output files boot.img and boot.sig (located under output/images not under output/target/images) in the...
View ArticleNetworking and servers • Re: [31/01/24 getting Urgent] sharing connection...
nearly a monthcan you pass dhcp with openvpnStatistics: Posted by kcajminer2312 — Thu Apr 04, 2024 9:57 am
View ArticleAssistive technology and accessibility • Re: Help installing Raspberry Pi OS...
portable drives can be trickysome have a power saving were they actually turn off when not active. if you get 1 of those the os will lock up a lot.the only way your really gonna know is to just try...
View ArticleCamera board • Libcamerify motion to use a tuning file?
Have 3+ with Bullseye and managed to get my IR camera stream visible from the Internet with libcamerify motion and ngrok service. However, the purple/pink color of the IR light lit NOIR camera (V2) is...
View ArticleGeneral discussion • Re: Can a 27W Raspberry Pi 5 Adapter Charge a 2019...
I have a 16in 2023 MacBook Pro, and I use a Pi 5 adapter with it. (Great for travel; WAY less bulky.) It won't fast-charge, but it charges, and it's extremely convenient.Statistics: Posted by liz —...
View ArticleGeneral • Re: Help with PIO fundamentals to drive matrix-based displays.
My big question is, can this be set to loop? Can I set up say, 175 byte array and have the PIO refresh with that data unattended?The PIO itself, no - each PIO SM only has 4 registers (X,Y, ISR, OSR)...
View ArticleTroubleshooting • Re: My pi 5 wont boot
If you used pliers to remove the cooler did you damage any traces or components?Statistics: Posted by rpiMike — Fri Apr 05, 2024 9:28 am
View ArticleTroubleshooting • Re: getting OSError: libbcm_host.so: cannot open shared...
Change the python code to use picamera2Documentation is here https://datasheets.raspberrypi.com/cam ... manual.pdfi'd gone through the document but still don't get how should i implement in my...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: CM4 and DSI custom display
Looking forward to your explanation how you want to initialize the bridge chip without having I2C interface https://github.com/raspberrypi/linux/bl ... 211.c#L343Please explain why you 'can't handle'...
View ArticleBare metal, Assembly language • Re: Squeezing 17ns FIQ service to the 59MHz...
Either use the scopes infinite persistence or statistics to tell you the maximum and minimum time. Now you have gone bare metal things get much better but I suspect there will still be jitter.It's the...
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Graphics, sound and multimedia • Re: Paspberry Pi Volumio retro-modern...
Painting ...Statistics: Posted by big77pil — Fri Apr 05, 2024 9:48 am
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