From 3f6d44d40b00fe0636c31a24feb00441ea748dd3 Mon Sep 17 00:00:00 2001 From: whosawhatsis Date: Tue, 11 Feb 2014 18:50:11 -0800 Subject: [PATCH] Keep FWRETRACT values in terms of millimeters when using M200 for volumetric E units --- Marlin/Marlin_main.cpp | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp index b5e4e85193..1b213f9516 100644 --- a/Marlin/Marlin_main.cpp +++ b/Marlin/Marlin_main.cpp @@ -137,7 +137,7 @@ // M204 - Set default acceleration: S normal moves T filament only moves (M204 S3000 T7000) im mm/sec^2 also sets minimum segment time in ms (B20000) to prevent buffer underruns and M20 minimum feedrate // M205 - advanced settings: minimum travel speed S=while printing T=travel only, B=minimum segment time X= maximum xy jerk, Z=maximum Z jerk, E=maximum E jerk // M206 - set additional homeing offset -// M207 - set retract length S[positive mm] F[feedrate mm/sec] Z[additional zlift/hop] +// M207 - set retract length S[positive mm] F[feedrate mm/sec] Z[additional zlift/hop], stays in mm regardless of M200 setting // M208 - set recover=unretract length S[positive mm surplus to the M207 S*] F[feedrate mm/sec] // M209 - S<1=true/0=false> enable automatic retract detect if the slicer did not support G10/11: every normal extrude-only move will be classified as retract depending on the direction. // M218 - set hotend offset (in mm): T X Y @@ -1109,11 +1109,13 @@ void process_commands() destination[X_AXIS]=current_position[X_AXIS]; destination[Y_AXIS]=current_position[Y_AXIS]; destination[Z_AXIS]=current_position[Z_AXIS]; - current_position[Z_AXIS]+=-retract_zlift; - destination[E_AXIS]=current_position[E_AXIS]-retract_length; + current_position[Z_AXIS]-=retract_zlift; + destination[E_AXIS]=current_position[E_AXIS]-retract_length/volumetric_multiplier[active_extruder]; + float oldFeedrate = feedrate; feedrate=retract_feedrate; retracted=true; prepare_move(); + feedrate = oldFeedrate; } break; @@ -1124,10 +1126,12 @@ void process_commands() destination[Y_AXIS]=current_position[Y_AXIS]; destination[Z_AXIS]=current_position[Z_AXIS]; current_position[Z_AXIS]+=retract_zlift; - destination[E_AXIS]=current_position[E_AXIS]+retract_length+retract_recover_length; + destination[E_AXIS]=current_position[E_AXIS]+(retract_length+retract_recover_length)/volumetric_multiplier[active_extruder]; + float oldFeedrate = feedrate; feedrate=retract_recover_feedrate; retracted=false; prepare_move(); + feedrate = oldFeedrate; } break; #endif //FWRETRACT