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Detect under-voltage power

Open snip opened this issue 7 years ago • 4 comments

https://www.raspberrypi.org/forums/viewtopic.php?t=158777 https://github.com/raspberrypi/firmware/blob/master/extra/dt-blob.dts#L1175 https://github.com/raspberrypi/linux/issues/1332 https://raspberrypi.stackexchange.com/questions/41087/how-to-know-the-input-voltage-on-raspbian

Still need to find how to report it.

snip avatar May 17 '18 06:05 snip

Remark: OS already detect under-voltage. See output of dmesg:

[ 3741.927786] Under-voltage detected! (0x00050005) [ 3766.887894] Voltage normalised (0x00000000) [ 3771.054320] Under-voltage detected! (0x00050005) [ 3875.048332] Voltage normalised (0x00000000)

snip avatar May 28 '18 06:05 snip

Maybe interesting to read: https://github.com/raspberrypi/linux/issues/2367

snip avatar May 28 '18 06:05 snip

And: https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=147781&start=50#p972790

snip avatar May 28 '18 06:05 snip

vcgencmd get_throttled https://www.raspberrypi.com/documentation/computers/os.html#vcgencmd

snip avatar Apr 13 '22 18:04 snip