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Fix FWRETRACT logic, apply common sense

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master
Scott Lahteine 7 years ago
parent 7ab9abe4ef
commit 6569b9ba56
5 changed files with 41 additions and 39 deletions
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69
Marlin/Marlin_main.cpp
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@ -3162,16 +3162,20 @@ static void homeaxis(const AxisEnum axis) {
#endif
) {
static float hop_height, // Remember where the Z height started
hop_amount = 0.0; // Total amount lifted, for use in recover
static float hop_amount = 0.0; // Total amount lifted, for use in recover
// Simply never allow two retracts or recovers in a row
// Prevent two retracts or recovers in a row
if (retracted[active_extruder] == retracting) return;
#if EXTRUDERS < 2
bool swapping = false;
// Prevent two swap-retract or recovers in a row
#if EXTRUDERS > 1
// Allow G10 S1 only after G10
if (swapping && retracted_swap[active_extruder] == retracting) return;
// G11 priority to recover the long retract if activated
if (!retracting) swapping = retracted_swap[active_extruder];
#else
const bool swapping = false;
#endif
if (!retracting) swapping = retracted_swap[active_extruder];
/* // debugging
SERIAL_ECHOLNPAIR("retracting ", retracting);
@ -3188,64 +3192,55 @@ static void homeaxis(const AxisEnum axis) {
//*/
const bool has_zhop = retract_zlift > 0.01; // Is there a hop set?
const float old_feedrate_mm_s = feedrate_mm_s;
const int16_t old_flow = flow_percentage[active_extruder];
// Don't apply flow multiplication to retract/recover
flow_percentage[active_extruder] = 100;
// The current position will be the destination for E and Z moves
set_destination_from_current();
stepper.synchronize(); // Wait for buffered moves to complete
stepper.synchronize(); // Wait for all moves to finish
const float renormalize = 100.0 / flow_percentage[active_extruder] / volumetric_multiplier[active_extruder];
if (retracting) {
// Remember the Z height since G-code may include its own Z-hop
// For best results turn off Z hop if G-code already includes it
hop_height = destination[Z_AXIS];
// Retract by moving from a faux E position back to the current E position
feedrate_mm_s = retract_feedrate_mm_s;
current_position[E_AXIS] += (swapping ? swap_retract_length : retract_length) / volumetric_multiplier[active_extruder];
current_position[E_AXIS] += (swapping ? swap_retract_length : retract_length) * renormalize;
sync_plan_position_e();
prepare_move_to_destination();
// Is a Z hop set, and has the hop not yet been done?
if (has_zhop) {
hop_amount += retract_zlift; // Carriage is raised for retraction hop
current_position[Z_AXIS] -= retract_zlift; // Pretend current pos is lower. Next move raises Z.
SYNC_PLAN_POSITION_KINEMATIC(); // Set the planner to the new position
prepare_move_to_destination(); // Raise up to the old current pos
if (has_zhop && !hop_amount) {
hop_amount += retract_zlift; // Carriage is raised for retraction hop
feedrate_mm_s = planner.max_feedrate_mm_s[Z_AXIS]; // Z feedrate to max
current_position[Z_AXIS] -= retract_zlift; // Pretend current pos is lower. Next move raises Z.
SYNC_PLAN_POSITION_KINEMATIC(); // Set the planner to the new position
prepare_move_to_destination(); // Raise up to the old current pos
feedrate_mm_s = retract_feedrate_mm_s; // Restore feedrate
}
}
else {
// If a hop was done and Z hasn't changed, undo the Z hop
if (hop_amount && NEAR(hop_height, destination[Z_AXIS])) {
current_position[Z_AXIS] += hop_amount; // Pretend current pos is higher. Next move lowers Z.
SYNC_PLAN_POSITION_KINEMATIC(); // Set the planner to the new position
prepare_move_to_destination(); // Lower to the old current pos
hop_amount = 0.0;
if (hop_amount) {
current_position[Z_AXIS] -= retract_zlift; // Pretend current pos is lower. Next move raises Z.
SYNC_PLAN_POSITION_KINEMATIC(); // Set the planner to the new position
feedrate_mm_s = planner.max_feedrate_mm_s[Z_AXIS]; // Z feedrate to max
prepare_move_to_destination(); // Raise up to the old current pos
hop_amount = 0.0; // Clear hop
}
// A retract multiplier has been added here to get faster swap recovery
feedrate_mm_s = swapping ? swap_retract_recover_feedrate_mm_s : retract_recover_feedrate_mm_s;
const float move_e = swapping ? swap_retract_length + swap_retract_recover_length : retract_length + retract_recover_length;
current_position[E_AXIS] -= move_e / volumetric_multiplier[active_extruder];
current_position[E_AXIS] -= move_e * renormalize;
sync_plan_position_e();
prepare_move_to_destination(); // Recover E
prepare_move_to_destination(); // Recover E
}
// Restore flow and feedrate
flow_percentage[active_extruder] = old_flow;
feedrate_mm_s = old_feedrate_mm_s;
feedrate_mm_s = old_feedrate_mm_s; // Restore original feedrate
// The active extruder is now retracted or recovered
retracted[active_extruder] = retracting;
retracted[active_extruder] = retracting; // Active extruder now retracted / recovered
// If swap retract/recover then update the retracted_swap flag too
// If swap retract/recover update the retracted_swap flag too
#if EXTRUDERS > 1
if (swapping) retracted_swap[active_extruder] = retracting;
#endif
@ -3264,7 +3259,7 @@ static void homeaxis(const AxisEnum axis) {
SERIAL_ECHOLNPAIR("hop_amount ", hop_amount);
//*/
} // retract()
}
#endif // FWRETRACT

5
Marlin/language_en.h
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@ -615,7 +615,10 @@
#define MSG_CONTROL_RETRACT_RECOVER_SWAP _UxGT("S UnRet mm")
#endif
#ifndef MSG_CONTROL_RETRACT_RECOVERF
#define MSG_CONTROL_RETRACT_RECOVERF _UxGT("UnRet V")
#define MSG_CONTROL_RETRACT_RECOVERF _UxGT("UnRet V")
#endif
#ifndef MSG_CONTROL_RETRACT_RECOVER_SWAPF
#define MSG_CONTROL_RETRACT_RECOVER_SWAPF _UxGT("S UnRet V")
#endif
#ifndef MSG_AUTORETRACT
#define MSG_AUTORETRACT _UxGT("AutoRetr.")

1
Marlin/language_fr.h
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@ -222,6 +222,7 @@
#define MSG_CONTROL_RETRACT_RECOVER _UxGT("UnRet mm")
#define MSG_CONTROL_RETRACT_RECOVER_SWAP _UxGT("Ech. UnRet mm")
#define MSG_CONTROL_RETRACT_RECOVERF _UxGT("UnRet V")
#define MSG_CONTROL_RETRACT_RECOVER_SWAPF _UxGT("Ech. UnRet V")
#define MSG_AUTORETRACT _UxGT("Retract. Auto.")
#define MSG_FILAMENTCHANGE _UxGT("Changer filament")
#define MSG_INIT_SDCARD _UxGT("Init. la carte SD")

2
Marlin/planner.h
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@ -288,7 +288,7 @@ class Planner {
return 1.0;
}
FORCE_INLINE static bool leveling_active_at_z(const float &lz) { return true; }
FORCE_INLINE static bool leveling_active_at_z(const float &lz) { UNUSED(lz); return true; }
#endif

3
Marlin/ultralcd.cpp
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@ -3726,6 +3726,9 @@ void kill_screen(const char* lcd_msg) {
MENU_ITEM_EDIT(float52, MSG_CONTROL_RETRACT_RECOVER_SWAP, &swap_retract_recover_length, -100, 100);
#endif
MENU_ITEM_EDIT(float3, MSG_CONTROL_RETRACT_RECOVERF, &retract_recover_feedrate_mm_s, 1, 999);
#if EXTRUDERS > 1
MENU_ITEM_EDIT(float3, MSG_CONTROL_RETRACT_RECOVER_SWAPF, &swap_retract_recover_feedrate_mm_s, 1, 999);
#endif
END_MENU();
}

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