Made a more granular configuration possible PREVENT_LENGTHY_EXTRUDE. You can now decide to allow/disallow large length of extrusions to be executed.

Turning off the protection might be beneficial to those who want to do fast and long reversals.
master
Erik de Bruijn 12 years ago
parent d88205d89d
commit e3fe1f0d00

@ -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.

@ -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

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