MicroPython • BSTI PIO interface - for you
I have implemented a BSTI interface with RP2350 PIO. The code is below.What is BSTI?It is similar to MDIO, with the exception, that we have separated MDOUT and MDIN signals (not using a bidirectional...
View ArticleSDK • Re: Linux running on the Raspberry Pi Pico2 ?
something ive looked into, was running XIP linux on the rp2350the biggest barrier there, is the ALTERNATIVE() mechanism, which needs an MMU when doing XIPthat would greatly reduce the ram usage, since...
View ArticleGeneral • Re: Latest Getting Started document removes SWD instructions
I haven't tried it but I believe SWD via GPIO does work, just rather slower than ideal.the old docs use the bcm gpio driver, which isnt compatible with the RP1 in the pi5i had figured out how to flip...
View ArticleBeginners • Re: Image-backup unable to take backup :: seeing loop device full
Have you found a solution?I'm having the same problem.I am using the --inplace rsync option and even hardcoded that in the image-backup script.Statistics: Posted by skecher — Thu Aug 29, 2024 2:04 am
View ArticleMicroPython • PICO PIO IRQs - max. speed is 1/4 of SYS CLK
I tried to use IRQs for synchronizing other PIO state machines (SM) with a free running clock generator.The idea is this: have one SM just generating an endlessly running clock (as "clk" source) let...
View ArticleMicroPython • Re: PICO PIO IRQs - max. speed is 1/4 of SYS CLK
From the RP2040 DS, PIOs goes through an AH-Lite splitter -- a pipelined bus, then has to contend with the AHB crossbar. Not surprising if it adds up to a few clocks, I guess.Statistics: Posted by...
View ArticleTroubleshooting • Re: i2c device not showing
https://pimylifeup.com/raspberry-pi-acc ... r-adxl345/Statistics: Posted by memjr — Thu Aug 29, 2024 2:33 am
View ArticlePython • Re: Button to restart Pi, button to restart program
Thank you for all of the suggestions. I was unable to get any of them to work, but I did find out that I can just create a countdown timer that allows the buttons to be detected because there is only...
View ArticleTroubleshooting • Re: Raspberry Pi 4 B - Can't stream live video from 2 USB...
Are you running Bookworm or Bullseye on that Pi4 ?I'm running Bookworm on my raspberry Pi 4.Statistics: Posted by SamMars — Fri Aug 30, 2024 12:55 am
View ArticleGeneral • Re: Pico W pull-up voltage gone
I do believe I damaged those inputs with the TTL interface current when open.My plan is to get small 12 v relays (motion sensors are 12v powered)and use them to provide true dry contact output. Then...
View ArticleTroubleshooting • Re: Python and Systemd. Program keeps restarting imediately.
It is hard to tell what is happening from the information here. You have told the service to restart on errors.Code: Restart=alwaysLooking at your previous posts, it looks like you wanted information...
View ArticleBeginners • Re: Using USB for first boot
The USB goes to the computer the other side goes to the serial post on the rpi. I'm trying to run bookwormStatistics: Posted by cepi — Fri Aug 30, 2024 1:47 am
View ArticleCompute Module • Re: JTAG debug on CM4(bookworm)
Thank you for the reply.openocd prints progress messages while it is running. What is it saying in your system?OpenOCD's message is:Code: guest@LA-27-0036:~$ sudo openocd -f c232hm-edhsl-0.cfg -f...
View ArticleGeneral discussion • Raspberry pi 4B PSU question
I have a the original CanaKit PSU rated at: Output voltage = 5.1VOutput current = 3.5A Power = 17.85WWhat will happens under the following scenarios -- different PSU ratings:scenario 1:Output voltage...
View ArticleRaspberry Pi Connect • Re: Remote Shell but no Screen Sharing
Hello,This problem has not been resolved. At least twice I have had to install a fresh copy of Bookworm to resolve the issue of Code: ✗ Screen sharing support is unavailable .I have uninstalled and...
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Automation, sensing and robotics • Input/suggestions on a dc motor controlled...
So I’m back looking at options and ideas on what to do here. This is a bit out of my wheelhouse but I’m no dummy and I’m sure I can figure it out or hire it out if necessary lolI have a 30vdc motor...
View ArticleGeneral discussion • Re: Raspberry pi 4B PSU question
I have a the original CanaKit PSU rated at: Output voltage = 5.1VOutput current = 3.5A Power = 17.85WWhat will happens under the following scenarios -- different PSU ratings:scenario 1:Output voltage...
View ArticleRaspberry Pi 400 • Re: Pi400 shutdown woes
the holtek MCU managing the keyboard also manages turning the power on/offwhen the pi400 is "off", the holtek is still on, scanning the keyboard, and can turn the power back on when you hit the power...
View ArticleRaspberry Pi Connect • Re: Copy files from remote Pi
another option is the https://github.com/magic-wormhole/magic-wormholejust run "wormhole send foo.txt" on one machine, and it will spit out a code like "wormhole receive magic-words"then just run that...
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Beginners • Re: Which nvme hat to use with Official Case with cover on?
I am using a Geekworm x1003, with the Active Cooler in the Official Case with the lid on. I even have the RTC battery inside.https://geekworm.com/en-au/products/x1003I only bought this hat because I...
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