Advanced users • Re: Experimental RPi 6.12 kernel builds
I just tested with the official Raspberry Pi Bookworm OS downloaded today and run on my CM4 Lite. The symptom is the same: kernel=kernel8.img boots fine, but kernel=kernel8_rt.img does not. Both are...
View ArticleGeneral • Re: Trouble with DMA timings <> PIO <> PSRAM latency...
I do not know the behavior of DMA in the case of a XIP miss. There is no hardware board profile to use? The SDK does not support this?Statistics: Posted by dthacher — Fri May 30, 2025 1:10 am
View ArticleRaspberry Pi OS • Re: using add/remove software
this is what I get:apt-cache search mahjongggnome-mahjongg - classic Eastern tile game for GNOMEkajongg - classical Mah Jongg gamekmahjongg - mahjongg solitaire gamekshisen - Shisen-Sho solitaire...
View ArticleC/C++ • Re: Coding an onscreen keyboard.
EDIT i have a solid grounding in c being self taughtg for 5 yearsmaking changes to a pre existing osk like squeekboard would be preferable but i dont know rust or oml for maalit which also has...
View ArticleGeneral discussion • Re: RAIDZ on a Pi 5
Just read your blog post and I see that you got slower write speeds to the array using when you were using a 1G network connection on the Pi, so I think I will move to an HPE Microserver. I was...
View ArticleGeneral • Re: Trouble with DMA timings <> PIO <> PSRAM latency
The reason the buffer is not on PSRAM is because I havn't pushed it (since it doesn't work). But here's how I declare it locally:Code: uint8_t __attribute__((section(".psram_bss")))...
View ArticleClik here to view.
SDK • Re: RP2350 rollback bug?
Ah, then it could be that picotool is translating the result like 0t11 = 0x2 ... 0t meaning thermobinary It's 0x2 because the rollback code doesn't care about anything except the most significant bit....
View ArticleTroubleshooting • Kernel oops loading hifiberry-dacplus driver
This is a problem that just appeared when I moved to a 6.12.y kernel. I'm running a stripped down OS, but the kernel is essentially the same as the raspi kernel. Just that there is only a limited set...
View ArticleGeneral • Re: can you use debug probe with rs485 hat occupying GP0,1 and GP4,5
These pins on "server" raspberry pi are each connected over a long wire to the run pin of the respective pico (5 of them). A False (grouning) one of these pins should hard reset the pico.Code:...
View Article