Merge pull request #776 from whosawhatsis/fwretract
Fwretract fixes, cleanup
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daid
commit
46bae30573
@ -399,8 +399,14 @@ const unsigned int dropsegments=5; //everything with less than this number of st
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// the moves are than replaced by the firmware controlled ones.
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// #define FWRETRACT //ONLY PARTIALLY TESTED
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#define MIN_RETRACT 0.1 //minimum extruded mm to accept a automatic gcode retraction attempt
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#ifdef FWRETRACT
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#define MIN_RETRACT 0.1 //minimum extruded mm to accept a automatic gcode retraction attempt
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#define RETRACT_LENGTH 3 //default retract length (positive mm)
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#define RETRACT_FEEDRATE 80*60 //default feedrate for retracting
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#define RETRACT_ZLIFT 0 //default retract Z-lift
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#define RETRACT_RECOVER_LENGTH 0 //default additional recover length (mm, added to retract length when recovering)
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#define RETRACT_RECOVER_FEEDRATE 8*60 //default feedrate for recovering from retraction
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#endif
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//adds support for experimental filament exchange support M600; requires display
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#ifdef ULTIPANEL
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@ -231,10 +231,13 @@ int EtoPPressure=0;
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#endif
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#ifdef FWRETRACT
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bool autoretract_enabled=true;
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bool autoretract_enabled=false;
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bool retracted=false;
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float retract_length=3, retract_feedrate=17*60, retract_zlift=0.8;
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float retract_recover_length=0, retract_recover_feedrate=8*60;
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float retract_length = RETRACT_LENGTH;
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float retract_feedrate = RETRACT_FEEDRATE;
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float retract_zlift = RETRACT_ZLIFT;
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float retract_recover_length = RETRACT_RECOVER_LENGTH;
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float retract_recover_feedrate = RETRACT_RECOVER_FEEDRATE;
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#endif
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#ifdef ULTIPANEL
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@ -1085,6 +1088,42 @@ void refresh_cmd_timeout(void)
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previous_millis_cmd = millis();
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}
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#ifdef FWRETRACT
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void retract(bool retracting) {
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if(retracting && !retracted) {
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destination[X_AXIS]=current_position[X_AXIS];
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destination[Y_AXIS]=current_position[Y_AXIS];
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destination[Z_AXIS]=current_position[Z_AXIS];
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destination[E_AXIS]=current_position[E_AXIS];
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current_position[E_AXIS]+=retract_length/volumetric_multiplier[active_extruder];
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plan_set_e_position(current_position[E_AXIS]);
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float oldFeedrate = feedrate;
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feedrate=retract_feedrate;
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retracted=true;
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prepare_move();
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current_position[Z_AXIS]-=retract_zlift;
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plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
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prepare_move();
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feedrate = oldFeedrate;
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} else if(!retracting && retracted) {
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destination[X_AXIS]=current_position[X_AXIS];
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destination[Y_AXIS]=current_position[Y_AXIS];
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destination[Z_AXIS]=current_position[Z_AXIS];
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destination[E_AXIS]=current_position[E_AXIS];
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current_position[Z_AXIS]+=retract_zlift;
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plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
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//prepare_move();
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current_position[E_AXIS]-=(retract_length+retract_recover_length)/volumetric_multiplier[active_extruder];
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plan_set_e_position(current_position[E_AXIS]);
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float oldFeedrate = feedrate;
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feedrate=retract_recover_feedrate;
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retracted=false;
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prepare_move();
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feedrate = oldFeedrate;
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}
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} //retract
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#endif //FWRETRACT
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void process_commands()
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{
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unsigned long codenum; //throw away variable
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@ -1100,6 +1139,18 @@ void process_commands()
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case 1: // G1
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if(Stopped == false) {
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get_coordinates(); // For X Y Z E F
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#ifdef FWRETRACT
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if(autoretract_enabled)
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if( !(code_seen(X_AXIS) || code_seen(Y_AXIS) || code_seen(Z_AXIS)) && code_seen(E_AXIS)) {
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float echange=destination[E_AXIS]-current_position[E_AXIS];
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if((echange<-MIN_RETRACT && !retracted) || (echange>MIN_RETRACT && retracted)) { //move appears to be an attempt to attract or recover
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current_position[E_AXIS] = destination[E_AXIS]; //hide the slicer-generated retract/recover from calculations
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plan_set_e_position(current_position[E_AXIS]); //AND from the planner
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retract(!retracted);
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return;
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}
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}
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#endif //FWRETRACT
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prepare_move();
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//ClearToSend();
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return;
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@ -1134,39 +1185,10 @@ void process_commands()
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break;
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#ifdef FWRETRACT
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case 10: // G10 retract
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if(!retracted)
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{
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destination[X_AXIS]=current_position[X_AXIS];
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destination[Y_AXIS]=current_position[Y_AXIS];
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destination[Z_AXIS]=current_position[Z_AXIS];
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current_position[Z_AXIS]-=retract_zlift;
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destination[E_AXIS]=current_position[E_AXIS];
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current_position[E_AXIS]+=retract_length/volumetric_multiplier[active_extruder];
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plan_set_e_position(current_position[E_AXIS]);
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float oldFeedrate = feedrate;
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feedrate=retract_feedrate;
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retracted=true;
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prepare_move();
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feedrate = oldFeedrate;
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}
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retract(true);
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break;
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case 11: // G11 retract_recover
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if(retracted)
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{
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destination[X_AXIS]=current_position[X_AXIS];
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destination[Y_AXIS]=current_position[Y_AXIS];
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destination[Z_AXIS]=current_position[Z_AXIS];
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current_position[Z_AXIS]+=retract_zlift;
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destination[E_AXIS]=current_position[E_AXIS];
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current_position[E_AXIS]-=(retract_length+retract_recover_length)/volumetric_multiplier[active_extruder];
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plan_set_e_position(current_position[E_AXIS]);
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float oldFeedrate = feedrate;
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feedrate=retract_recover_feedrate;
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retracted=false;
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prepare_move();
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feedrate = oldFeedrate;
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}
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retract(false);
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break;
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#endif //FWRETRACT
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case 28: //G28 Home all Axis one at a time
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@ -3022,42 +3044,6 @@ void get_coordinates()
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next_feedrate = code_value();
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if(next_feedrate > 0.0) feedrate = next_feedrate;
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}
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#ifdef FWRETRACT
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if(autoretract_enabled)
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if( !(seen[X_AXIS] || seen[Y_AXIS] || seen[Z_AXIS]) && seen[E_AXIS])
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{
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float echange=destination[E_AXIS]-current_position[E_AXIS];
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if(echange<-MIN_RETRACT) //retract
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{
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if(!retracted)
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{
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destination[Z_AXIS]+=retract_zlift; //not sure why chaninging current_position negatively does not work.
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//if slicer retracted by echange=-1mm and you want to retract 3mm, corrrectede=-2mm additionally
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float correctede=-echange-retract_length;
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//to generate the additional steps, not the destination is changed, but inversely the current position
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current_position[E_AXIS]+=-correctede;
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feedrate=retract_feedrate;
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retracted=true;
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}
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}
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else
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if(echange>MIN_RETRACT) //retract_recover
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{
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if(retracted)
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{
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//current_position[Z_AXIS]+=-retract_zlift;
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//if slicer retracted_recovered by echange=+1mm and you want to retract_recover 3mm, corrrectede=2mm additionally
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float correctede=-echange+1*retract_length+retract_recover_length; //total unretract=retract_length+retract_recover_length[surplus]
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current_position[E_AXIS]+=correctede; //to generate the additional steps, not the destination is changed, but inversely the current position
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feedrate=retract_recover_feedrate;
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retracted=false;
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}
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}
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}
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#endif //FWRETRACT
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}
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void get_arc_coordinates()
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