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Troubleshooting • Re: Why are my 256GB SanDisk Ultra SD cards failing so often?
The smaller cheaper controllers erase big blocks of data, perhaps 128 KB, which means a 1 KB file write uses 128 KB. When you change the 1 KB file, a 128 KB block is erased then written to. The...
View ArticleBare metal, Assembly language • Boot process, add vendor data and vendor code...
Can vendor data and vendor code or just data be added into spi eeprom? This is not replacing the bootcode binaries that are there already, but something that secures using the ARM processor the RPi...
View ArticleAdvanced users • Does the issue relating to slowdown while composite is...
I remember hearing that enabling composite video on the Pi 4 slowed down the entire system by some amount, is the same true of the Pi 5?Statistics: Posted by BarryTheQuokka — Wed Sep 04, 2024 11:47 pm
View ArticleSDK • Re: SD Card issue: SD Standard Capacity Memory Card unsupported
The 2.4.0 branch should still support SDSC. I say "should" because I don't have one to test with. Where can you buy one of those these days?Statistics: Posted by carlk3 — Wed Sep 04, 2024 11:51 pm
View ArticleGeneral • Re: Non blocking data logging on dual core system
...Whether FreeRTOS facilitates that, IDK. It would be failing to use a major strength of the RP2xxx if it did not.Sure, see Symmetric Multiprocessing (SMP) with FreeRTOS.Statistics: Posted by carlk3...
View ArticleAdvanced users • Re: Seeking clever ideas: applying git changes to a...
If the Connect devs had file transfer working, I could just copy over the project directory from an updated machine.If you can connect to the remote Pis you can use ssh. If you can use ssh you can use...
View ArticleBeginners • Re: Connectting 220V to Raspberry PI GIO pins
So, if I'm reading things correctly, the top level goal is to get Google Home to trigger some code to run on a Pi when one of the Google controllers hears the appropriate trigger words?Looking at...
View ArticleAdvanced users • Re: Raspberry Pi 5: Host + Slave USB setup
Do some cable mods to either:1. Feed power in via the GPIO header pins and disconnect +5 volt supply to USB-C plug.2. Feed +5 volt into USB-C plug from PSU which can supply adequate current.ReplyWith...
View ArticleTroubleshooting • Re: Wi-Fi Unscannable "wlan0: carrier lost" Issue...
Thank you for your help! I’ll try this method and monitor the system again.Statistics: Posted by David88 — Fri Sep 06, 2024 1:01 am
View ArticleGaming • Re: DirectX 11 unity exe
Make sure DirectX is properly installed and configured in Wine. You can use winetricks to install DirectX 11 and other necessary components.Statistics: Posted by rapetbery — Fri Sep 06, 2024 1:22 am
View ArticleTroubleshooting • Re: Microcontroller-based HID keyboard gives random inputs...
Thanks for the suggestion. I happened to have exactly a 100uF electrolytic and a 0.1uF cermaic in my junk box so I tried using them to regulate the power. I first tried spanning them in parallel...
View ArticleGeneral • RP2350 E9 bug - also for other GPIOs, e.g. SPI?
This E9 bug scares me a lot.I think, I have seen it as well, when implementing a QSPI with PIO, where it changes to inputs, with no pull-down (or up) enabled.Nothing seen anymore as received...
View ArticleTroubleshooting • Re: Dip Switches on Pi Keyboard
Unlikely. It's probably for a proposed feature that was deemed unnecessary or too expensive, or didn't work. ...... Other speculative reasons can be suggested.Maybe U3 was going to be a trackpad chip,...
View ArticleBeginners • Re: How to Install Blender on Raspberry Pi 4? Compilation Error...
What's wrong with simply doing:Code: sudo apt install blenderStatistics: Posted by craigevil — Fri Sep 06, 2024 10:37 pm
View ArticleGeneral • Re: what is the logic of ADC interrupt enabling?
Code: static inline void adc_fifo_setup(bool en, bool dreq_en, uint16_t dreq_thresh, bool err_in_fifo, bool byte_shift) { hw_write_masked(&adc_hw->fcs, (bool_to_bit(en) << ADC_FCS_EN_LSB)...
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General discussion • How to easily be able to use push buttons with GPIO
Okay I have finally worked it out and it’s actually really simple.In case anyone else wants to wire buttons directly to GPIO…Normally every time you reboot the pi it resets any changes unless you...
View ArticleGeneral discussion • Re: Details about raspberry pi warranty claim process
With regard to the warranty process itself, the posts above are correct. Your warranty is with the supplier, so that is where you need to go for front-line support and warranty claims. We at Raspberry...
View ArticleRaspberry Pi Connect • Re: rpi-connect causes 100% of memory to be used, and...
Seems like the problem is connected to `wayland` and switching to `labwc` fixes it. https://github.com/raspberrypi/bookworm ... issues/281Statistics: Posted by MarlinMr — Fri Sep 06, 2024 10:51 pm
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Graphics, sound and multimedia • Re: fruitbox MP3 jukebox
Okay I have finally worked it out and it’s actually really simple.In case anyone else wants to wire buttons directly to GPIO…Normally every time you reboot the pi it resets any changes unless you...
View ArticleGeneral discussion • Re: How to easily be able to use push buttons with GPIO
gpio=0-27=op,pu,dh,ipYou seem to have conflicting options there.op = set to Output modepu = Enable internal Pull-Up (used for Input, pointless on Output)dh = Set Output Highip = Set to Input modeI...
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