General • Re: How can I ensure memory coherence between cores?
Sometimes stack frames get surprisingly largei sometimes had similar problems with my ext2/ext4 driver, and i found some tricks to help with thatfirst, compile your project with -fstack-usageyoull...
View ArticleDevice Tree • Re: failed to add spidev0.2 device
It is an Linux kernel built by myself, using the kernel source from Raspberry repository, version 5.15.y.The version shows 5.15.92-v7+ by uname command.Without dtparam=spi=on, no spidev would exit.The...
View ArticleBeginners • Re: Pi-Hole + Wifi AP
Reboot has solved the issue. I am now done. Works really well.Statistics: Posted by DepstR — Mon Jan 01, 2024 11:46 pm
View ArticleTroubleshooting • Re: Raspberry PI 5 Red light with Flashing green light
Soldering temperature profile. RAM chips are BGA packages which are quite demanding to properly solder. Sometimes it can happen that the melting of solder is not proper. In that case sometimes contact...
View ArticleTroubleshooting • Re: Pi 5 not booting as spec - method to get rid of power...
No detected 5v/5A supply means booting from USB will pause and require a user confirmation via the power button inorder to continue.but one critical thing, is that it will display a green led while...
View ArticleGeneral discussion • Re: BULLSEYE Document for ZERO 2 W
The Pi Zero 2W has 512MB of memory and the RPios default swap space allocation is 100MB. A gui desktop system will have swap space problems which can be solved by editing /etc/dphys-swapfile to...
View ArticleTeaching and learning resources • Re: Advent of Code 2023
From a software development point of view I wonder how the make -j4 build-world compilation speeds compare. Are the RK3588 and 3588S single-board computers faster on the parallel make?For large...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Can a USB C -> HDMI work the other...
there are 3 different things that are deceptively similarfirst, you can send raw hdmi over usb-c, so with just a few basic chips, you can convert between usb-c and hdmibut that only works if the...
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General discussion • Re: Pi 5 Delivered Damaged
I think an anti-static bag would prevent the Pi from rattling about inside the box and reduce the chances of damage or a bent pin. Whether this is a common problem or not is unclear.Possibly it...
View ArticleAdvanced users • Re: Raspberry Pi 5 Overclock CPU/GPU Safety
I have the 8gb model. The highest stable clocks I can achieve is 3ghz CPU and 950mhz GPU with the active cooler. I have to raise the over_voltage_delta to 62000 for it to run stable at those speeds. I...
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Gaming • Re: Woof - 64 Bit DOOM Engine Source Port Build Guide
how to increase resolution, default is 640x400 ?btw, build took 2min only Statistics: Posted by cjan — Wed Jan 03, 2024 1:29 am
View ArticleAdvanced users • Re: Is everyone happy with the quality of libgpiod?
but I was moaning about your complacency.Life's too short to take a stand against everything one may disagree with and one has to pick the stands one is prepared to take. I'm not going to apologise...
View ArticleTroubleshooting • Re: RPi5, Ethernet Connection (Wired) and SSH Remote Log-In...
Update:I did as you suggested and edited the file, resolv.conf.The nameserver address I used was 192.168.1.254, which I interpret as my "router IP".I saved the file and confirmed the change. Then I...
View ArticleGeneral programming discussion • Re: Adding To Program
You probably need to read up on PHP-MySQLi https://www.w3schools.com/php/php_mysql_insert.aspBut you need to know the structure of the database, the easiest way of doing that is to use phpmyadmin.If...
View ArticleTroubleshooting • Re: Bookworm, screen lock and turning off monitor
I'm trying your suggestion, in my case it's the first line. So far so good, in about half a day's light use. Thank you. But I was never sure exactly what sequence of events caused the loss of the...
View ArticleGeneral discussion • Re: Any chance of a 16GB Raspberry Pi?
If and when there is a Raspberry Pi 6 will it come with 16GB RAM and will its price top 100 USD? Will people still be willing to pay that much?Depends, I don't have a Pi5 yet but this Pi400 has been a...
View ArticleSDK • Re: core1 hangs when core0 reads from XIP_BASE+N
i grabbed your broken code, and adjusted my cmake file slightly with: set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-usage")after building it, this file was produced:Code:...
View ArticleTroubleshooting • Trouble getting pmount running on Pi4
I'm trying to do this 2 monitor video looper project: https://www.dannyromano.com/raspberry-p ... eo-looper/It requires OMXplayer, so I'm using a Pi OS lite version of Buster (2021 05 28).The first...
View ArticleCompute Module • Re: USB Device mode not working with OTG_ID tied to ground
I've not done USB gadget stuff on the CM4 but have on other Pi models (including A+ and 3A+ which also have the ID pin pulled low).I don't think the problem is with the ID pin. I suspect it's a...
View ArticleWanted • Re: micro hdmi dummy
I'm running a Pi4 booting to the graphical desktop headless. The dummy fools the Pi into thinking there is a monitor. Using a micro to standard cable plus the dummy is a bit cluttered. I can use a...
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