{PIOB, 0} cannot be used

[Sage1978]

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Issue description

define KILL_PIN to {PIOB, 0} Read always Low---> KILL

MOTHERBOARD BOARD_RAMPS_FD_V2 I added kill button in POIB 0 Version V4.3.6 without this problem

Firmware version

Version V4.4.0

My setup

configurator.zip

• Modify fastio.h to add {PIOB, 0}, in static constexpr Fastio_Param Fastio []

[Sage1978]

The problem was found. PIOB, 0 needs to be initialized. All I / Os are set to output when arduino is initialized.