General discussion • How to make the GPIOD global
Just started using GPIOD and have run into a problem I hope someone can help me with. The main.c has the code that opens the chip, defines the lines used and declares them to be outputs. I call...
View ArticleAdvanced users • Re: Supported SD card types/capacities
Generally speaking, I don't use SD cards larger than 32GB. If I really want more space than that, I switch to an external SSD (Pi4B or earlier) or a M.2 HAT and NVMe SSD (Pi5). The avoids the risks of...
View ArticleAdvanced users • Re: Power up fpv drone and raspberry pi 5 from single Lipo...
... so wifi module should be connected to raspberry ...WiFi doesn't have a whole lot of range, especially at the higher frequency bands.Statistics: Posted by W. H. Heydt — Sat Sep 28, 2024 1:03 am
View ArticleNetworking and servers • Re: Which IPv6 address
It's probably the 2000-2fff::/64 address on the interface connecting to your router. The fe80::/64 address is a link-local address, i.e. not routable. I'm not sure where the /128 is coming from, I...
View ArticleGeneral • Re: ADC DNL on Pico2
Full example dataCode: 1 308 2 358 3 391 4 365 5 467 6 436 7 349 8 428 9 504 10 447 11 499 12 450 13 516 14 475 15 442 16 455 17 517 18 490 19 504 20 480 21 505 22 480 23 392 24 471 25 509 26 495 27...
View ArticleRaspberry Pi OS • Possible to "upgrade" glibc without installing a...
I have a program running on my (older) RaspiOS system (*) that upgraded itself today and now the latest version complains that my glibc is too old. The program still runs, but everytime it runs, it...
View ArticleRaspberry Pi OS • Re: Possible to "upgrade" glibc without...
32-bit or 64-bit OS?Have you done a "sudo apt update && sudo apt full-upgrade", and was it successful?What program, and did it come from APT or somewhere else?If it didn't come from APT, what...
View ArticleCamera board • Re: Efficient video streaming
Aa long as the solution uses the hardware H264 video encoder in the GPU, you can't get it much lower. Only if you take another simple board that is dedicated for camera streaming, so not a Pi4, power...
View ArticleTroubleshooting • Re: HDMI settings in Bookworm
never seen an lcd display with a native HDMI interface --> what kind of scaler board do you use?Some UHD-Ii scaler boards offer 4 HDMI input, running the screen as 4x UHD videowall.Sorry for the...
View ArticleGeneral discussion • Re: Do RPi's have a limited lifespan?
I have 3 RPi3B+'s that I have been using to drive my 3D printers using Octoprint. All 3 RPi's were purchased at nearly the same time and have been trouble free for years. Lately, Octoprint is...
View ArticleRaspberry Pi OS • gpiozero kludge
Rather than fixing gpiozero for the latest kernel update on Pi5 the OS seems to have introduced a kludge:-Code: /dev/gpiochip4 -> gpiochip0This breaks my other code which looks for...
View ArticleTroubleshooting • Re: Point-to-point ethernet - Unidentified Network -...
Something Murph9000 didn't mention or didn't spot: using google's public DNS servers on a point to point link like this simply won't work. Even if those machines can reach them via a different...
View ArticleSDK • Re: Where is the C compiler riscv for windows ?
Not in the (arduino-pico related) main branch yet: https://github.com/earlephilhower/pico-quick-toolchain/tree/riscvStatistics: Posted by PicoTinker — Sun Sep 29, 2024 1:29 am
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Camera board • External trigger on GS Camera and rpicam-still
The following command line saves an image with an external trigger:LIBCAMERA_RPI_CONFIG_FILE=/usr/share/libcamera/pipeline/rpi/pisp/timeout.yaml rpicam-still --immediate -n --awbgains 1.5,1.5...
View ArticlePython • CPU Temperature Test Not Working; Need File Format
I tried to use the code on the "Heating and cooling Raspberry Pi 5" page (https://www.raspberrypi.com/news/heatin ... erry-pi-5/) and couldn't get it to work; kept getting this error:Code:...
View ArticleNetworking and servers • Re: Pi4 as a NAS and local media player?
My dad is a huge music nerd, but not a huge computer nerd. He's got several hundred CDs in his collection that he's downloaded onto his laptop, plus a large digital library on top of that, but that...
View ArticleBeginners • Re: Running a program on start up and after connecting to the...
If by "crontab method" you mean a cron job start @reboot then no, that won't work as cron will run it before the network (by extension teh internet) is available.There is no reliable way for the...
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SDK • Re: 'clock_get_hz' was not declared in this scope
So you started to migrate from Arduino to pure SDK ? You are very welcome ! I thought you are still trying to patch Arduino to behave like SDK.SDK is much closer to the hardware, once you get used, I...
View ArticleSDK • Re: Setting SCL,SDA pins for Serial2
This is doing all you need for prtinfFor high level stdio (like printf), in clean SDK (NO ARDUINO), you can always use stdio_uart_init_full without messing with defaults in CMake:Code:...
View ArticleTroubleshooting • Re: RPi 4: downloads unreliable w/ 1Gbps but not w/ 100Mbps...
it's not you, it's themfedora updates/repos are the slowest of any distrogoogle for tweaks, there out there and sometimes help for the larger updates.there doing that thing where it's only downloading...
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