Camera board • Re: Camera output on composite video via DRM
Well, I found this list of DRM drivers which includes "drm-rp1-dsi". I assume this is what you meant by the "separate DMR driver". drmOpen("drm-rp1-dsi") does run but nothing appears on the composite...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: RS232 Logging Program with Timeout...
You're probably doing it wrong if you need this. You are going to get into trouble if you need to read the file and the nmea receiver needs to write to it at the same time for example. If you're...
View ArticleGeneral discussion • Question
Hello,Has anyone ever built a rasberry pi to work with edispatches station board displays? We currently use the internet browser on a TV but the problem is when the power goes out the TV loses the...
View ArticleGeneral • Re: DMA internal endianness
If you want to be technical, the DMA is neither big nor little endian, because it only ever transfers 1 bit per lane and thus the distinction is not applicable. I don't know what use this information...
View ArticleNetBSD • Re: Speed advantage vs. Raspberry Pi OS?
Raspberry Pi OS is based on Debian. The freeze date for Debian Bookworm where they fix the package versions was early 2023. LibreOffice 7.4 was the stable version at that time.I knew about RPIOS being...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Raspberry PI4 and FPD Link ds90ub954...
Good day 6by9.Thank you veryMy datasheet from Sony says it only has a CSI2 output, and has no mention of a DVP variant. much for your reply.We have experience integrating ds90ub954 - ds90ub953 with...
View ArticlePython • Re: setup.py fails with Typeerror
As indicated, best to try and get it to work in the context of a Virtual Environment. I was able to get the following done but don't know if it will work because I don't have the sensor. Based on...
View ArticlePython • Re: MJPEG live streaming failed
Running your code gives me this errorCode: NameError: name 'release_camera' is not definedCan you post the whole code?Also what system are you running it on? And which camera module is it?Running on...
View ArticleClik here to view.
General • Re: Pico UART Pins GPIO12, GPIO13.
Actually 16 Mbps Statistics: Posted by gmx — Thu Jun 12, 2025 12:50 am
View ArticleGeneral • Re: RP2350 reading system timer
As part of the setup process, I change the system clock source from ring oscillator to the Crystal oscillator. I also configure the clock generators clk_ref and clk_src (Section 8.1) to use crystal...
View ArticleGeneral • Small clarifications on programming the internal flash on 2354.
The manual says:The internal flash die can also be programmed externally by holding the RP2350 die in reset via the RUN pin (active-lowreset), and driving QSPI signals into the chip from an external...
View ArticlePython • Re: VLC window freezes after 10 mins of playing videos
Turns out low frame rate was not the root cause, as the problem randomly cropped again. I've narrowed down the problem to a bug with the stop() method used on a vlc list player. Workaround is not to...
View ArticleGeneral • Re: Small clarifications on programming the internal flash on 2354.
I assume you can drive single-pin SPI to program the flash, just more slowly, right ?And does the UART boot loader allow you to program the flash via serial ? Or is it just SPI that has write access...
View ArticleBeginners • Unable to boot Raspberry Pi 4 from SSD
I've been trying to set up a Raspberry Pi 4 to boot from a SSD with no success. I've tried various methods from GParted, Parted, and the Imager.When I tried GParted, I can't get past the Partition...
View ArticleGeneral • Re: RP2350 "Minimal Board" schematic input power capacitors
Even the connections inside the capacitor itself are significant, so physically smaller capacitors are better - 0402 size are typically used; if you use a capacitor of the same nominal capacitance but...
View ArticleBeginners • Re: Unable to boot Raspberry Pi 4 from SSD
Did you remember to apply the changes to the drive?gparted and parted don't modify the data on the drive unless you explicitly tell them to do so.SD Card Copier repartitions and reformats the target...
View ArticleAdvanced users • Re: How to build official debian kernel packages
We use unmodified orig tarballs from kernel.org, so yes, using uscan and letting it strip out files will cause issues.There is a helper script (debian/bin/rpi/update) that should help understand how...
View ArticlePython • Re: Gpiod 2.3.0 works on RT Kernel Fails on Release Kernel
AAAAAARRRRRRRRRRRRRRRRRGGGGGGGGGGGGGGGGGGGHHHHHHHHHHHHHHH!Kernel 6.6 works! Guess this needs bisect. I hate bisect!Code: > uname -a Linux rpi-4b-1 6.6.74+rpt-rpi-v8 #1 SMP PREEMPT Debian...
View ArticleSDK • Re: Creating proper C++ Pico SDK libraries
Try addingCode: include_directories(<header-file-directories>)orCode: include_directories(SYSTEM <header-file-directories>)Depending on if you use "library.h" or <library.h> for...
View ArticleMicroPython • Re: I2C error when copying code from 1 PICO to another
If the module is this one:LCD1602 I2C Modulehttps://www.waveshare.com/wiki/LCD1602_I2C_Modulethen it uses a AIP31068L instead of a PCF8574 connected to a HD44780. I guess most folks are more familiar...
View Article