machines/systems/flexibot/docs/marlin/_gcode/M919.md

tag, title, brief, author, contrib, requires, since, group, codes, notes, parameters, videos, examples

tag	title	brief	author	contrib	requires	since	group	codes	notes	parameters	videos	examples
m0919	TMC Chopper Timing	Set Chopper Timing values for TMC stepper drivers	thinkyhead	magnificu	TMC2130|TMC2160|TMC2208|TMC2209|TMC2660|TMC5130|TMC5160	2.0.9.4	trinamic	M919	Requires one or more TMC stepper drivers supporting stealthChop™ mode.	tag optional description values O true Time-Off value (1..15). If omitted, use configured defaults for the axes. type int tag optional description values P true Hysteresis End value (-3..12). If omitted, use configured defaults for the axes. type int tag optional description values S true Hysteresis Start value (1..8). If omitted, use configured defaults for the axes. type int tag optional description values I true Index for multiple steppers. (i.e., `I1` for X2, Y2, Z2; `I2` for Z3; `I3` for Z4). If omitted, all steppers for the selected axes. unit type index int tag optional description values T true Index (tool) number for the E axis. If omitted, all extruders. unit type index int tag optional description values X true Apply the given chopper timing to the X stepper(s). type flag tag optional requires description values Y true Y_DRIVER_TYPE Apply the given chopper timing to the Y stepper(s). (Requires 2 or more axes.) type flag tag optional requires description values Z true Z_DRIVER_TYPE Apply the given chopper timing to the Z stepper(s). (Requires 3 or more axes.) type flag tag optional requires description values A true I_DRIVER_TYPE Apply the given chopper timing to the A stepper. (Requires 4 or more axes.) type flag tag optional requires description values B true J_DRIVER_TYPE Apply the given chopper timing to the B stepper. (Requires 5 or more axes.) type flag tag optional requires description values C true K_DRIVER_TYPE Apply the given chopper timing to the C stepper. (Requires 6 or more axes.) type flag tag optional requires since description values U true U_DRIVER_TYPE 2.1 Apply the given chopper timing to the U stepper. (Requires 7 or more axes.) type flag tag optional requires since description values V true V_DRIVER_TYPE 2.1 Apply the given chopper timing to the V stepper. (Requires 8 or more axes.) type flag tag optional requires since description values W true W_DRIVER_TYPE 2.1 Apply the given chopper timing to the W stepper. (Requires 9 axes.) type flag	Q0sJlGh9WNY	pre code Report Chopper Timing for all axes. M919 pre code Set XYZE Chopper Timing suitable for 12V steppers M919 XYZE O3 P-1 S1 pre code Set Z, Z2, Z3 and Z4 Chopper Timing M919 Z O3 P-1 S1 pre code Set Z2 Chopper Timing only M919 Z I1 O3 P-1 S1

Set / report the TMC Chopper Timing values for one or more stepper drivers.