General • Re: Continues SPI transfer
It's not really clear to me what the word its refers to in this sentence: "This is because the slave select pin freezes the data in its serial peripheral register and does not permit it to be altered...
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SDK • Re: RP2350: systick gotcha - FYI
Correct hence the codeCode: #define shortpause(a){systick_hw->cvr=0;(void)systick_hw->cvr;while(systick_hw->cvr>a){};}Though perhaps my explanation was lacking/missing Statistics: Posted...
View ArticleGeneral • Re: Non blocking data logging on dual core system
I think a max page write time of 3 ms will only happen at very high write cycle counts, so 4 ms has a big safety margin. A smaller write granularity is usually not practical, since the page size is...
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Troubleshooting • Re: Why are my 256GB SanDisk Ultra SD cards failing so often?
I am thinking about using the test when I buy a 32 TB microSD from China for $1.98 including postage. You sure about that size? (Actually...I'd be concerned about a 32 *G*B card at that price. I'd...
View ArticleGeneral discussion • Re: I need help because I think I messed up
Try booting in recovery mode by holding `Shift` during startup. If that doesn't help, you may need to reflash the SD card with a fresh Raspberry Pi OS.Statistics: Posted by samsmith — Thu Sep 05, 2024...
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General • Re: RP2350 Errata E9 - Pull-down lock-up
Would be interesting to see this, yes. So if any hobbyist on here has spent more on their scope than their car, perhaps you could share some shots...I don't know about "more than my car" but I have a...
View ArticleRaspberry Pi Connect • Re: Firefox compatibility
Thank-you,The issue appears to be resolved. Appreciate your work.JimStatistics: Posted by jimw83 — Thu Sep 05, 2024 3:48 am
View ArticleOff topic discussion • Re: PiGrow
This PiGro app sounds really interesting especially for someone new to Raspberry Pi. Thanks for sharing this, @craigevil!Statistics: Posted by pistephen — Thu Sep 05, 2024 4:04 am
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Raspberry Pi OS • Re: HOW-TO: Bookworm On-screen Keyboard
Will leave this here for lazy people It will basically do all the above instructions and file modifications just in one goI also disabled the white color cuz I didn't like itjust extract -> copy...
View ArticleGeneral discussion • Re: Official Foundation Pi 4 case has no holes for airflow?
Any suggestions on how we get it across that the Foundation is the educational side, and the Ltd is the bit that makes everything would be most welcome!!! It is frustrating that this is not yet well...
View ArticleBare metal, Assembly language • spurious inter-core mailbox interrupt on pi4
Hi all,I am experimenting with mailbox interrupts on the pi4.I have code that works but I get a spurious mailbox interrupt. I write to the set register, and in the interrupt handler I first read the...
View ArticleRaspberry Pi OS • Re: Qemu / Virtual Box on ARM?
An .iso file is a CD-ROM installer. A PiOS .img file is a pre-installed modified Debian installation with a kernel that is tailored for the RaspberryPi and does not boot and run a the QEMU/libvirt/KVM...
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HATs and other add-ons • pi5 pimoroni samsung pro 990 4t
HiAbout to buy a 4T nvme . to use with my pimoroni hat.Thought I would ask here if any one has had any issues Got it working currently with 500g, but I want more space Statistics: Posted by KeyzerSuze...
View ArticleBeginners • Re: Connectting 220V to Raspberry PI GIO pins
The title of this post is misleading, as with the use of an isolated wall adapter 220V -> 3.3V the RPI will have no mains connection.Although the proposed solution is a complicated way to achieve...
View ArticleOther projects • the CPU (Central Processing Unit) temperature project
To get the CPU (Central Processing Unit) temperature you could put in vcgencmd measure_tmp into a command terminal. OK I know it is kinky to make life hard not easy, try this Go to the folder...
View ArticleGeneral discussion • Re: COB LED Power Supply selection
The different voltage and current ratings are for USB-PD. If the device connected does not have a USB-PD control chip to negotiate the different PD profiles with the power supply, it will only output...
View ArticleTroubleshooting • Re: Flickering Monitor
Yes, I already made sure that the cables I am using are working and high quality. I'm using the original PSU, 5.1V 3A PSUStatistics: Posted by JundeePi — Fri Sep 06, 2024 5:16 am
View ArticleGeneral • Re: RP2350 E9 bug - also for other GPIOs, e.g. SPI?
Still looking for a real product using I2C/SPI/PIO - this one is interesting DEFCON-32-Badge. But it looks like the source code is not shared on the github so we do not know if the actual code uses...
View ArticleRaspberry Pi OS • Full Partition grep Causes a Complete Freeze
Hi allI am on RPi4 4GB,and RPi OS Lite 32bit Bookwork.Imagine that you're looking for all script files that contain the string "uname -a".So you "cd /" to get to the root folder,then run:Code: grep -F...
View ArticleOfficial Display • Re: Can the Pi 5 display to HDMI and the LCD Touch Display...
viewtopic.php?t=376230Statistics: Posted by aBUGSworstnightmare — Fri Sep 06, 2024 5:44 am
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