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Feature request - set bank 0 pad features (drive strength, slew rate, hysteresis) #19

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P33M opened this issue Nov 16, 2022 · 0 comments

P33M commented Nov 16, 2022

While users should not be routinely modifying pad controls, they are useful for debug - overshoots causing false edges, for example.

Adding a commandlet for manipulating the bits in the PADS bank0 register here -
https://github.com/raspberrypi/documentation/blob/develop/documentation/asciidoc/computers/raspberry-pi/gpio-pad-controls.adoc
would allow for this.

Mapping the pad control page requires the use of /dev/mem, which requires root - which is a useful hurdle to prompt users to think twice.

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