Advanced users • Re: A bit of advice and some questions about disk and drives
cron is used to schedule command to execute at a certain time. rsync is used to sync two directories. So, yes, you need both. Both are part of a default installation.I use the following in root's...
View ArticleAdvanced users • Re: Neo6 gps settings
I got this unit. I read the datasheet and it says it has a performance mode.Any one know how to send a command to activate it?I have it set up using uartIt'll be in the datasheet. It didn't say. Even...
View ArticleAutomation, sensing and robotics • Re: Can't measure resistors
I think my circuit is the same as the diagrams above. On the Pi 4 with the ADS1015 and using the low voltage in the calculation, the resistances are now 50 to 60 ohms different, compared to 600 ohms...
View ArticleSDK • Re: Multicore lockout and FreeRTOS
Answering my own question: the SDK already contains a solution to this! https://github.com/raspberrypi/pico-sdk ... .h#L63-L64Statistics: Posted by jags84 — Sun May 05, 2024 12:32 am
View ArticleBeginners • Re: What hash algorithm does Raspberry Pi Imager us to...
Imager itself appears to use this function https://github.com/raspberrypi/rpi-imag ... ntials.cppNo, that is to steal your wifi password from MacOS.Hash calculation on SSID+PSK is here:...
View ArticleNetworking and servers • using flask on Pi 4 to control Pico
Hello, all.I have some questions about using flask on the Pi. I tried simple code to get something working & I'm running into issues....Code: from flask import Flaskapp =...
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Raspberry Pi OS • Re: RP1 - Raspberry Pi OS
... but it was already beginning to use swap when I used the 'top' command to have a look at what it was up to).That's why I suggested to buy a RPi4 or RPi5 What takes all the RAM on the lite edition?...
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Networking and servers • Large query performance of TickTockDB vs InfluxDB in...
TickTockDB is a lightweight Time Series Database (TSDB) dedicated to small ARM devices like RPIs. We have compared it with InfluxDB in previous posts. The latest release of TickTockDB (v0.20.0)...
View ArticleDebian • Re: Issue in auto start with Debian
So that worked to get chromium to auto start at boot of the desktop. However, my A/V jack loses audio signal when in X11 it appears. Is there a fix to this or am I better off looking for a way to make...
View ArticleAdvanced users • Re: Argon One Replacement Daemon
I've hit a snag in my Firmware development seem that there are board revisions to deal with and I have a developing with a 1.5 board that was damaged and has since died, The replacement I got is a 1.4...
View ArticleSDK • Re: Why can there be only one GPIO IRQ callback?
I think gpio_add_raw_irq_handler_with_order_priority_masked may do what you want.Since the hardware only offers one GPIO IRQ per core, any nice interface adds complexity and latency.To be sure, I...
View ArticleBeginners • Re: What books should Raspberry PI kernel driver development...
There's the Raspberry Pi documentation at: https://www.raspberrypi.com/documentati ... ernel.htmlThank you for sharing. I've read this document many times, but I feel like it's not very helpful for...
View ArticleSDK • Re: Could use a sanity check of this code
I assume that measuring a fan's RPM would be fine with this method and not really needing to dive into PIO. I was looking for another project to measure the clock frequency of I2C I made a debug probe...
View ArticleAdvanced users • Wayland Autostart Multiple Windows on Dual Displays
(I decided to open a new topic since I realized that I was "hijacking" someone else's before.)I have Raspberry Pi 5 running Bookworm with Wayland and Wayfire with two 4k monitors (HDMI).I am trying to...
View ArticleOther projects • Re: Custom Key pad
Ok. I'd focus on U1 to U9. In fact, I'd focus on U1.Print out the first page of the datasheet. Make a worksheet for the 14 pins of JP1, noting that pin 1 is indicated by a tiny triangle on the...
View ArticleBare metal, Assembly language • Re: Bare metal HDMI audio
congrats! and thanks for sharing!Statistics: Posted by cleverca22 — Mon May 06, 2024 1:53 am
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Troubleshooting • vlc wont start
vlc will not start if already streaming:rpi5 64b, bookworm, wayland, camera 3, fresh install to start streamrpicam-vid -t 0 --width 1536 --height 864 --framerate 30 --mode 230410:P --codec libav...
View ArticleGeneral • Re: Pico and C++?
I guess I stay with C.The good news is that you can mix c-style code with cpp classes. Just -as already proposed - use cpp compiler, add the cpp feature to the cmakelists.txt .The SDK definitions and...
View ArticleGraphics, sound and multimedia • "portable" HD display?
I have an idea for an "embedded" (in quotes because it's not truly a kiosk type mode) system that has hit a wall. The software to control things requires, at a bare minimum a display resolution of...
View ArticleNetworking and servers • Re: ssh: connect to host 10.0.0.234 port 22: Host is...
Or just disable WiFi power saving (search the forums for how) on the CM4.You overlooked implementing this suggestion by thagrol.ButchStatistics: Posted by butchkemper — Tue May 07, 2024 12:47 am
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