bissen21/Marlin_Firmware
1
0
Fork 0
Code Issues Pull Requests Projects Releases 4 Wiki Activity

added firmware retract. disabled by default

Browse Source
This commit is contained in:
Bernhard
2012-06-02 20:32:28 +02:00
parent 88d2a671cc
commit bf077125b9
5 changed files with 722 additions and 317 deletions
Download Patch File Download Diff File Expand all files Collapse all files

132
Marlin/Marlin.pde
View File

@ -50,6 +50,8 @@
// G2 - CW ARC
// G3 - CCW ARC
// G4 - Dwell S<seconds> or P<milliseconds>
// G10 - retract filament according to settings of M207
// G11 - retract recover filament according to settings of M208
// G28 - Home all Axis
// G90 - Use Absolute Coordinates
// G91 - Use Relative Coordinates
@ -102,6 +104,9 @@
// 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]
// 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.
// M220 S<factor in percent>- set speed factor override percentage
// M221 S<factor in percent>- set extrude factor override percentage
// M240 - Trigger a camera to take a photograph
@ -139,6 +144,12 @@ float add_homeing[3]={0,0,0};
uint8_t active_extruder = 0;
unsigned char FanSpeed=0;
#ifdef FWRETRACT
bool autoretract_enabled=true;
bool retracted=false;
float retract_length=3, retract_feedrate=17*60, retract_zlift=0.8;
float retract_recover_length=0, retract_recover_feedrate=8*60;
#endif
//===========================================================================
//=============================private variables=============================
@ -179,6 +190,7 @@ static unsigned long stoptime=0;
static uint8_t tmp_extruder;
bool Stopped=false;
//===========================================================================
@ -601,6 +613,36 @@ void process_commands()
LCD_STATUS;
}
break;
#ifdef FWRETRACT
case 10: // G10 retract
if(!retracted)
{
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;
feedrate=retract_feedrate;
retracted=true;
prepare_move();
}
break;
case 11: // G10 retract_recover
if(!retracted)
{
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;
current_position[E_AXIS]+=-retract_recover_length;
feedrate=retract_recover_feedrate;
retracted=false;
prepare_move();
}
break;
#endif //FWRETRACT
case 28: //G28 Home all Axis one at a time
saved_feedrate = feedrate;
saved_feedmultiply = feedmultiply;
@ -1212,6 +1254,53 @@ void process_commands()
if(code_seen(axis_codes[i])) add_homeing[i] = code_value();
}
break;
#ifdef FWRETRACT
case 207: //M207 - set retract length S[positive mm] F[feedrate mm/sec] Z[additional zlift/hop]
{
if(code_seen('S'))
{
retract_length = code_value() ;
}
if(code_seen('F'))
{
retract_feedrate = code_value() ;
}
if(code_seen('Z'))
{
retract_zlift = code_value() ;
}
}break;
case 208: // M208 - set retract recover length S[positive mm surplus to the M207 S*] F[feedrate mm/sec]
{
if(code_seen('S'))
{
retract_recover_length = code_value() ;
}
if(code_seen('F'))
{
retract_recover_feedrate = code_value() ;
}
}break;
case 209: // 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.
{
if(code_seen('S'))
{
int t= code_value() ;
switch(t)
{
case 0: autoretract_enabled=false;retracted=false;break;
case 1: autoretract_enabled=true;retracted=false;break;
default:
SERIAL_ECHO_START;
SERIAL_ECHOPGM(MSG_UNKNOWN_COMMAND);
SERIAL_ECHO(cmdbuffer[bufindr]);
SERIAL_ECHOLNPGM("\"");
}
}
}break;
#endif
case 220: // M220 S<factor in percent>- set speed factor override percentage
{
if(code_seen('S'))
@ -1373,14 +1462,55 @@ void ClearToSend()
void get_coordinates()
{
bool seen[4]={false,false,false,false};
for(int8_t i=0; i < NUM_AXIS; i++) {
if(code_seen(axis_codes[i])) destination[i] = (float)code_value() + (axis_relative_modes[i] || relative_mode)*current_position[i];
if(code_seen(axis_codes[i]))
{
destination[i] = (float)code_value() + (axis_relative_modes[i] || relative_mode)*current_position[i];
seen[i]=true;
}
else destination[i] = current_position[i]; //Are these else lines really needed?
}
if(code_seen('F')) {
next_feedrate = code_value();
if(next_feedrate > 0.0) feedrate = next_feedrate;
}
#ifdef FWRETRACT
if(autoretract_enabled)
if( !(seen[X_AXIS] || seen[Y_AXIS] || seen[Z_AXIS]) && seen[E_AXIS])
{
float echange=destination[E_AXIS]-current_position[E_AXIS];
if(echange<-MIN_RETRACT) //retract
{
if(!retracted)
{
destination[Z_AXIS]+=retract_zlift; //not sure why chaninging current_position negatively does not work.
//if slicer retracted by echange=-1mm and you want to retract 3mm, corrrectede=-2mm additionally
float correctede=-echange-retract_length;
//to generate the additional steps, not the destination is changed, but inversely the current position
destination[E_AXIS]+=correctede;
feedrate=retract_feedrate;
retracted=true;
}
}
else
if(echange>MIN_RETRACT) //retract_recover
{
if(retracted)
{
//current_position[Z_AXIS]+=-retract_zlift;
//if slicer retracted_recovered by echange=+1mm and you want to retract_recover 3mm, corrrectede=2mm additionally
float correctede=-echange+0*retract_length+retract_recover_length; //total unretract=retract_length+retract_recover_length[surplus]
current_position[E_AXIS]+=-correctede; //to generate the additional steps, not the destination is changed, but inversely the current position
feedrate=retract_recover_feedrate;
retracted=false;
}
}
}
#endif //FWRETRACT
}
void get_arc_coordinates()