diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h index f15876770e..880d48a7d2 100644 --- a/Marlin/Configuration.h +++ b/Marlin/Configuration.h @@ -108,6 +108,9 @@ //this prevents dangerous Extruder moves, i.e. if the temperature is under the limit //can be software-disabled for whatever purposes by #define PREVENT_DANGEROUS_EXTRUDE +//if PREVENT_DANGEROUS_EXTRUDE is on, you can still disable (uncomment) very long bits of extrusion separately. +#define PREVENT_LENGTHY_EXTRUDE + #define EXTRUDE_MINTEMP 170 #define EXTRUDE_MAXLENGTH (X_MAX_LENGTH+Y_MAX_LENGTH) //prevent extrusion of very large distances. diff --git a/Marlin/planner.cpp b/Marlin/planner.cpp index cfb503deb8..b620589533 100644 --- a/Marlin/planner.cpp +++ b/Marlin/planner.cpp @@ -495,12 +495,14 @@ void plan_buffer_line(const float &x, const float &y, const float &z, const floa SERIAL_ECHO_START; SERIAL_ECHOLNPGM(MSG_ERR_COLD_EXTRUDE_STOP); } + #ifdef PREVENT_LENGTHY_EXTRUDE if(labs(target[E_AXIS]-position[E_AXIS])>axis_steps_per_unit[E_AXIS]*EXTRUDE_MAXLENGTH) { position[E_AXIS]=target[E_AXIS]; //behave as if the move really took place, but ignore E part SERIAL_ECHO_START; SERIAL_ECHOLNPGM(MSG_ERR_LONG_EXTRUDE_STOP); } + #endif #endif // Prepare to set up new block