General • Re: Struggling with redefining a frame buffer.
If your need is "to determine the size of the buffer at runtime", then the description would be as follows:Code: #include <stdio.h>#include <stdlib.h>#include <pico/stdlib.h>typedef...
View ArticleRaspberry Pi Connect • Re: shell disconnection on load?
The kiosk page only refreshes once every 60 seconds, and right then there's a spike of activity. Otherwise, very little. I happened to run this batch invocation of top at the right moment to show the...
View ArticleGeneral • Cross-CPU SEV/WFE, Event Signals, Event Register
I have a couple of questions about RP2040 datasheet sections 2.3.3 "Event Signals" and 2.4.2.8.2. "Wait For Event and Send Event", please. Particularly related to the dual-processor implementation:The...
View ArticleAdvanced users • Re: Reading the RTC
I want to do it from a C program.What are you trying to achieve? gettimeofday() isn't sufficient?Linux normally only accesses the RTC at startup and shutdown. It'll read the time at startup and then...
View ArticleBeginners • Re: Number recognition from pictures?
Thank you everyone for the quick responses, this is a great community. This is my first raspberry pi project and I'm not a coding major, so the help is greatly appreciated. The import OS was exactly...
View ArticleAdvanced users • Re: Industrial machine on rpi5
1: I have to make simple datalog which will have 4 columns, such as sr.no, date timestamp, results (ok/nok), remark. user will login on webpage, he will select "From" and "To" date & he will click...
View ArticleBeginners • Re: USB Controller on Pi 3 Model B V1.2
what does "lsusb -v" report for that controller?Statistics: Posted by cleverca22 — Tue Jul 02, 2024 4:02 am
View ArticleCamera board • Re: how to enforce HQ camera record high FPS video?
So,is there any application code examples with the new library?There's a load of good documentation about using Pi camerasFrom the command line you can use the rpicam-appsIn Python you can use...
View ArticleRaspberry Pi Connect • Re: Operation without internet?
Well done, Hermann. So it's your solution which works with touch control over ethernet?Not the one I suggested with sniffing out the ip-adress of the Raspberry Pi with the Termux app?And then using...
View ArticleTroubleshooting • Re: Problem with installing usb wifi dongle driver
Just adding to the mix of this topic. I am having trouble as well with an external TP Link usb WiFi adapter. I haven’t done the research but I would be curious to see what it would take to rehost the...
View ArticleTroubleshooting • Re: Crazy latency on WiFi
Is it USB3 pendrive? If so wrap some aluminium foil round it and see if it makes any difference. USB3 interferes with wireless.If you have any USB3 device on a lead then get a ferrite clamp for the...
View ArticleBeginners • Re: Change from headless RPi to a display?
Good you solved it! I think port 22 is commented out in config by default. I didn't touch any config files and it's commented out. 'sudo raspi-config' and then 3.Interface options will have SSH...
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Interfacing (DSI, CSI, I2C, etc.) • Connecting the 22-pin CM4 port to a...
Hi All! I currently have: - The Pi CM4 and the official breakout board - A 20-pin 2-Lane MIPI DSI LCD (Product link: https://focuslcds.com/product/e35rc-b-mw420-n/)I need to get these two devices...
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General discussion • Raspberry Pi 5 question - no information in docs
I have a question concerning Raspberry Pi 5. There is a section in the beginning of the assembly where it is noted that the Raspberry Pi 4 is not set to 5V by default and you have to solder a pin to...
View ArticleRaspberry Pi OS • Rpi zero W not booting
Hii all, For my project i try to use Rpi Zero WH (V1.1 2017) , But i am not able to install the OS in the Rpi . I am using sandisk -extreme Pro - SDXC -64gb micro SD card.Powering up with my laptop...
View ArticleGeneral • Strange PIO behavior
So I currently have a bit banged 8-bit parallel protocol where the host puts data on 8 data lines (value of 5 for this specific problem) then raises STROBE to notify the device (Pi Pico) there is data...
View ArticlePython • Re: Using Python to patch a binary.
Reading binary file in Python, and find a byte sequence:https://stackoverflow.com/questions/321 ... on#3217350Thank you,So the solution begins with:Code: with open(filename, 'wb') as f: s =...
View ArticleGeneral discussion • Re: Raspberry Pi 5 question - no information in docs
That is not a RaspberryPi product.That is something else, so you are missing some background info.Either way, the Pi5 still needs 5V, preferably a bit more at 5.1V/5.2V (the alternative method) as any...
View ArticleTroubleshooting • Re: BU-353N5, gpsmon cannot get location (lat+lon), cgps...
As stated in the title I can't get the gps to work. Device itself isn't damaged (works on windows).However on RPi I'm not able to make it work.I triedCode: gpsd_3.25 instead of...
View ArticlePython • Re: How to get Python to use a custom library path
Set/edit the PYTHONPATH outside the IDE, then run the IDE. If you put this in your profile, or the system's, it just sticks and you don't need to change each python file.Tried that.None of the Python...
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