C/C++ • How to find OS file descriptor in ifstream object
I have two cooperating programs. One writes to a file and one reads from the file. The file writes will be very infrequent. The reads will be more frequent.The file has json data in it and I am using...
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Raspberry Pi OS • Installing RustDesk on Pi 3 (Headless)?
I have installed RustDesk on Pi 3 using bookworm 12 but when I open the application I just see a black widnow. I'm using the Pi without a monitor and have set the display to 0.echo $DISPLAYoutput: :0I...
View ArticleSDK • Re: Lockup in lwIP
I changed the code to not call low_level_input() of ENC29J60 driver from an ISR anymore. I now check the GPIO to see if there is an interrupt and call low_level_input() from the main loop. I assume...
View ArticleGeneral discussion • Re: how much would it have cost per pi500 to fit the M.2...
The 500 case is not designed to be opened. So having the components there would be wasted money for the intended use case.Having a case that can be opened would make the case much more...
View ArticleTroubleshooting • Re: Pi zero 2W with HDMI to RF adapter: boot has right...
Thanks; I am indeed using bookworm.I tried to add the parameters as mentioned in the linked thread but it has no effect: when it boot up, the Zero 2W boot up in the same exact resolution...
View ArticleAutomation, sensing and robotics • Re: Pi 5 with DVR8825 with very low NEMA...
Thanks for the reply, I am sorry, being new to the board, I should have enclosed the code with the proper tag.As for the issue, I have read the documentation on the dvr8825, and all points to a vref...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Getting CM4, Waveshare...
Using: Pi Camera v2.1Pi Compute Module 4 4GB/16GBPi OS Bulseye 64-bit LiteWaveshare CM4-to-Pi4-Adapter (https://www.waveshare.com/wiki/CM4-to-Pi4-Adapter)I have tried with and without the...
View ArticleSDK • Cmake is throwing warnings
Hello everyone, Not sure what I did this time but I've got this message after each compile command Code: [build] <command-line>: warning: ISO C99 requires whitespace after the macro nameKnowing...
View ArticleSDK • Re: Cmake is throwing warnings
If you do a bit of Googling on the error, it could be a hyphen problem...Statistics: Posted by katak255 — Tue Dec 31, 2024 3:22 am
View ArticleSDK • Re: Bluetooth: which example should i look for?
Thanks. Both did help. I guess the "blue kitchen btstack forum" was the btstack-dev google group?From there i found out "Serial over GATT" is a thing. And "le_streamer_client.c" does indeed look like...
View ArticleOfficial Display • Re: Black Raspberry Pi Monitor - When?
The only even semi-official comments I've seen are "early [2025]" and a reseller who listed it as "coming soon". This suggests to me that the likely time frame is January or February. However, I have...
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General • Re: ADC input scaling above 3.3V
Well, you have set it as GPL 3.0. I think adoption of the idea would be... troublesome.The diagrams don't quite explain what seems to be going in the code, but I don't want to look too hard, cause,...
View ArticleAutomation, sensing and robotics • Re: How is your xperience on Mosquitto and...
Which client for Pico Micropython? Is umqtt.simple good?peterhinch/micropython-mqtt is very reliable, by you have to understand how asyncio works. I've been able to use it for very simple...
View ArticleGaming • Retropie as app question.
Hey everybody, i just had to rebuild my system due to a failed update. I had been using raspberrypios with x11 instead of Wayland because it was the only way to use retropie as an app in rpiOS....
View ArticleNetworking and servers • WiFi to WiFi Death Yo-Yo on a Raspberry PI 5
Hi All, So this might be more of a Debian or WiFi Router Thing, but I saw something that I wanted to run by the WiFi experts to see if they have seen anything similar.So, I wrote a MP4 reader on the...
View ArticleCamera board • Re: OS12D40 Camera driver on RPI CM4
Hello, I have tried to get frame data by setting resolution of 640x480 using the v4lctl command in terminal. I get constant 29.93 FPS but I am unable to get any valid frames (receiving corrupted...
View ArticleGeneral discussion • Re: how much would it have cost per pi500 to fit the M.2...
Yep, Pico is a perfect $5 "firewall" between a Pi 500 and novice electronics, and part of the same ecosystem. And a Pi0 is perfect if you don't want the faff of compiling and uploading C++. Why risk...
View ArticleRaspberry Pi OS • Re: Is it safe and possible to by-pass apt dependence check?
2. a simple python program taken from example, subscribed to $SYS showed mosquitto version 2.0.11Yes, the Debian patched version is running. What other versions could there be on your system?I'm...
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MicroPython • Re: Pico W Reliability
I doubt this AP has WPA3 as its very old.You are right, those are data frames, unrelated, my bad.STA is supposed to wake up by itself and announce that, meanwhile AP is supposed to buffer the traffic,...
View ArticleGeneral discussion • Re: What's with the M.2/NVMe obsession?
I've enjoyed experimenting with a NVMe drive on a Pi5, but it does seem a bit overkill. I just use mine to tinker about with, rather than as my daily, and would be quite happy using a USB3 SSD....
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