Comments (6)
It seems that Raspberry OS kernel addresses GPIO pins yet by another numbering scheme.
cat /sys/kernel/debug/gpio gpio-512 (ID_SDA ) gpio-513 (ID_SCL ) gpio-514 (GPIO2 ) gpio-515 (GPIO3 ) gpio-516 (GPIO4 ) gpio-517 (GPIO5 ) gpio-518 (GPIO6 ) gpio-519 (GPIO7 ) gpio-520 (GPIO8 ) gpio-521 (GPIO9 ) gpio-522 (GPIO10 ) gpio-523 (GPIO11 ) gpio-524 (GPIO12 ) gpio-525 (GPIO13 ) gpio-526 (GPIO14 ) gpio-527 (GPIO15 ) gpio-528 (GPIO16 ) gpio-529 (GPIO17 ) gpio-530 (GPIO18 ) gpio-531 (GPIO19 ) gpio-532 (GPIO20 ) gpio-533 (GPIO21 ) gpio-534 (GPIO22 ) gpio-535 (GPIO23 ) gpio-536 (GPIO24 ) gpio-537 (GPIO25 ) gpio-538 (GPIO26 ) gpio-539 (GPIO27 )
You must use the number after gpio-[number]
ok looks just to be offset by 512
from onoff.
Same here with RPi5 Node v18.19.0
from onoff.
Workaround: #199
from onoff.
It seems that Raspberry OS kernel addresses GPIO pins yet by another numbering scheme.
cat /sys/kernel/debug/gpio
gpio-512 (ID_SDA )
gpio-513 (ID_SCL )
gpio-514 (GPIO2 )
gpio-515 (GPIO3 )
gpio-516 (GPIO4 )
gpio-517 (GPIO5 )
gpio-518 (GPIO6 )
gpio-519 (GPIO7 )
gpio-520 (GPIO8 )
gpio-521 (GPIO9 )
gpio-522 (GPIO10 )
gpio-523 (GPIO11 )
gpio-524 (GPIO12 )
gpio-525 (GPIO13 )
gpio-526 (GPIO14 )
gpio-527 (GPIO15 )
gpio-528 (GPIO16 )
gpio-529 (GPIO17 )
gpio-530 (GPIO18 )
gpio-531 (GPIO19 )
gpio-532 (GPIO20 )
gpio-533 (GPIO21 )
gpio-534 (GPIO22 )
gpio-535 (GPIO23 )
gpio-536 (GPIO24 )
gpio-537 (GPIO25 )
gpio-538 (GPIO26 )
gpio-539 (GPIO27 )
You must use the number after gpio-[number]
from onoff.
Looks like every GPIO library when run on new kernel will have this issue. At the same time seems like the whole community is perplexed what actually happened. Did you manage to find any official explanation how to prepare for this change and why it was introduced?
from onoff.
On Raspbian Bullseye it works, on Raspbian Bookworm it's broken.
from onoff.
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