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Detect under-voltage power #10

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snip opened this issue May 17, 2018 · 4 comments
Open

Detect under-voltage power #10

snip opened this issue May 17, 2018 · 4 comments
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enhancement New feature or request

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@snip
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snip commented May 17, 2018

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

Still need to find how to report it.
@snip snip added the enhancement New feature or request label May 17, 2018
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snip commented May 28, 2018

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)

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snip commented May 28, 2018

Maybe interesting to read: raspberrypi/linux#2367

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snip commented May 28, 2018

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

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snip commented Apr 13, 2022

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

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