General • Re: RP2040 DMA/SPI intermittent hang
The best solution I've been able to come up with so far:Calculate a barely sufficient timeoutIf the DMA/SPI transfer doesn't complete within the timeout, dma_channel_abort the send and receive...
View ArticleGeneral discussion • Re: Using USB for first boot
Any pointers?A better and more precise explanation of what you have, what USB cable you are asking about, which end of the USB+serial cable is connected to which device, and what OS you're trying to...
View ArticleBeginners • Re: Help with duplicating Pi4 OS on another Pi4
So if we are back to NOT needing an image file, then can you remind me what the impediment is to using the RasPiOS SD Card Copier utility?Presumably you have tried it? How did it fall short of what...
View ArticleDeutsch • Re: TV gucken mit Zattoo direkt am Monitor
Besorg Dir ruhig nen TV Stick (ala Amazon Fire TV 4K) / die Werbung kommt vom Sender, da kann Amazon nix dafür (außer der eigenen Werbung) oder schau, ob Dein TV nicht eh ne App dafür im Store...
View ArticlePython • Re: Cron job for discord.py python script
I am using 64-bit lite (Bookworm), I am using the OS largely over SSH. I am using a RPI 4B. I just checked the logs with your advice, the script seems to be unable to locate the "discord" lib.See...
View ArticleCamera board • Re: Software for a Pi Microscope
I'm trying to open up my new Global Shutter camera from the command line on my Pi3. I have been able to confirm it's working with raspicam-hello, but I need a more persistent stream to my display.I...
View ArticleGeneral discussion • Re: RP2350 and Pico 2 released!
Does this mean that the ARCHSEL register can be programmed multiple times? I was under the impression that the ARCHSEL register is a one-time programmable (OTP) register.the ARCHSEL register is just a...
View ArticleAdvanced users • Re: Is There a Way to Improve Firefox's Program Load Time?
Firefox stores and reads about 155,097,382 status files every time there is the slightest change in anything. You can change a setting in Firefox to only update the files every 5 or 10 or 30 seconds....
View ArticleBeginners • Looking for a good screen with certain spec
Looking for a really specific screen for rpi. Size should be 4-5 inch, non touch screen (or optional anyway), HDMI (just for the 60 hz refresh rate), and low cost, less than $20 in USA. Open to SPI if...
View ArticleAutomation, sensing and robotics • Re: Connecting a LD2410 radar sensor to a...
I am not sure whether the serial 9600 baud requirement is an issue with my sensorYes, it was an issue with the sensor. A new LD2410C sensor (with a QC/PASS sticker) operates at the default serial...
View ArticleTroubleshooting • Re: Wi-Fi slow on RaPi5?
Solved.RaPi5 runs too hot around 50C.Putting an external fan over the CPU drops to 25C and Wi-Fi improves when reducing down to ~35C.Statistics: Posted by eiger3970 — Thu Aug 29, 2024 11:42 pm
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General • Re: RP2040: Substantial PIO jitter in I2S clock
I've now been able to record a fairly long segment of data (25 million samples, covering a few hundred thousand BCLK cycles) and analyse the glitches. Every point on this graph is the duration of one...
View ArticleRaspberry Pi 400 • Re: How to Provide Power from Desktop Power Supply
I am not sure this is the correct group, but I couldn't find a hardware group specific to the Zero 2 W. What on earth made you think that posting in the Pi400 section was the best place to...
View ArticleSDK • Re: Hang on cyw43_arch_gpio_put() when network active.
This has been an issue for me forever. I hope you will find a resolution as despite hundreds of hours of testing and debugging I have not found a cause or solution. I've posted about hangs in cyw43...
View ArticleBeginners • Re: Raspberry pi 5 active cooler not spinning
How many posts on your cooler do you want to open? What is different here compared to viewtopic.php?t=375887 ?You do realise that you're pointing to the top post in this topic ?????weird! OP has made...
View ArticleGeneral • Re: PICO 2 - Corrected version availability?
Just one example (of the many) would be sufficient.QUICC and PowerQUICC series. Some pins have pull-ups as part of their function but many don't."Older MCUs from almost everybody don't have internal...
View ArticleBeginners • Re: Can I use a 65w pd "charger/ power adapter" on a...
It is extremely difficult to break the Pi if you are powering it from the intended usb-c connector. If you are powering it from the gpio pins however, it is quite easy.Statistics: Posted by jason_kidd...
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Troubleshooting • Flashing EMMC on CM4 taking this much memory?
Hi Guys,I just got a Compute module 4 linked here: https://www.pishop.us/product/raspberry ... cm4004008/I flashed the EMMC and when I boot up the CM4 and run the command "df -h", 75% of my...
View ArticleBeginners • Re: RPi list of video resolution and refresh rate
Many thanks for advises. Appreciated.Statistics: Posted by David16962 — Fri Aug 30, 2024 10:21 pm
View ArticleGeneral • Re: RP2350 Errata E9 - Pull-down lock-up
we don't know and rpi isn't telling us yet.Statistics: Posted by dpian — Fri Aug 30, 2024 10:41 pm
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