machines/systems/flexibot/docs/marlin/_gcode/M226.md

tag, title, brief, author, requires, group, codes, notes, parameters, examples

tag	title	brief	author	requires	group	codes	notes	parameters	examples
m0226	Wait for Pin State	Wait for a pin to have a given state.	thinkyhead	DIRECT_PIN_CONTROL	control	M226		tag optional description values P false Pin number tag type pin byte tag optional description values S true State 0 or 1. Default -1 for inverted. tag type state byte

Wait for a pin to have a certain value or state.