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Bare metal, Assembly language • Using SPI3-6 on RPi4 bare metal
The BCM2711 device has five SPI interfaces: SPI0, SPI3, SPI4, SPI5 & SPI6, and two additional mini SPI interfaces (SPI1 and SPI2).I think SPI0 and SPI3-6 are the same type of device. My bare metal...
View ArticleBeginners • Re: fswebcam install failure
Are you actually running raspbian stretch?Stretch has not been supported for years and has been moved to a 'legacy' repohttps://forums.raspberrypi.com/viewtopic.php?t=237469Statistics: Posted by DirkS...
View ArticleBeginners • Re: Pi Zero 2 W stuck out of the box
Stuck and frustrated.... I wonder.... does everyone go through this ? My experience is the definition of computers and technology is stuck and frustrated. The Zero 2 has only 0.5 GB RAM which it...
View ArticleGeneral • Re: rp2040.dap0 is driving me crazy.
I will try to debug in bootsel mode and let you know.I have not overclocked the board except for once to play audio in pwm mode. That too only one board. But others broken boards are not...
View ArticleGeneral discussion • Re: RPi5 Display Issue
Post a picture of the boot diagnostics screen here on the forum. Your monitor may not provide a correct EDID. Which resolution does it has?Statistics: Posted by aBUGSworstnightmare — Mon Jul 01, 2024...
View ArticleGeneral discussion • Raspberry Pi 4 Model B Boot/display Issue
Hello All i'm new to the Rasberry world and have recently acquired a Raspberry Pi 4 Model B (1G RAM) and am having some weird boot issue only when i have a USB Flash Drive or SD card inserted that...
View ArticleTroubleshooting • Re: Very slow and Browser issues
did you look at the spec'sit's not meant to run a desktopyou need at least 2gb ram to run a browserStatistics: Posted by kerry_s — Mon Jul 01, 2024 4:33 am
View ArticleGeneral discussion • Re: Raspberry Pi 4 Model B Boot/display Issue
on the diagnostic screen look at the display lineif there all 0 then your screen is not detectedyou need a legit power supply, made for pc's, not a charger made for charging batteries.the voltage...
View ArticleRaspberry Pi OS • pi os and zfs
HiLooking to move my rootfs onto zfsGot a pi5 with dual nvme I have done a piclone from sd to nvme0 - so I have 2 partitionsI have cloned the /boot partition from nvme0 to nvme1 - also cloned the...
View ArticleOther • Re: Amibian
When I saw the title, I honestly thought we were talking about the sleep-aid drug.You know, the one with the butterflies.There is also Armbian which is an Ubuntu Linux derivative with an assortment of...
View ArticleAdvanced users • Re: Image File Utilities
I do have external drives mounted elsewhere via open media vault, but I put an exclude option in there for those thinking it would work. Should I try unmounting them and then giving it another...
View ArticleAutomation, sensing and robotics • Re: I need help with my raspberry pi 4...
Okay, thanks for the heads up. I will try it today, and if it doesn't work, I will get another SD Card. Another question when setting up the OS via the imager, do i need to set password there or what...
View ArticleHATs and other add-ons • Re: New Official AI Kit available now at $70
3hrs for retraining on PC i7 with RTXC4080, wonder how long to retrain using a Pi5?Compiling to HEF on the Pi5?Doing everything on the Pi5 would be nice.The availability of the Hailos dataflow...
View ArticleTroubleshooting • PICO does not execute with main.py....
1) Here from the example:Code: from machine import Pin, Timerled = Pin(25, Pin.OUT)timer = Timer()def blink(timer): led.toggle()timer.init(freq=2, mode=Timer.PERIODIC, callback=blink)2) download...
View ArticleBeginners • USB Controller on Pi 3 Model B V1.2
Howdy, all. I'm working on a drone project with a Pi 3. I've managed to follow a guide that got me to keyboard control over SSH but I'd like to use a USB controller for the last phase before jumping...
View ArticleGeneral • 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...
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