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added delta tower babystepping. Its untested, but hopefully florian horsch will be able to try.

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also, removed some trouble for compilation with corexy.
I think that babystepping is only possible in z for a delta tower.
not sure if it would be usefull to step individual motors on a delta, i don't own one
This commit is contained in:
bkubicek 2013-10-07 09:14:04 +02:00
parent c38b0855c8
commit b832f5b9f6
3 changed files with 54 additions and 8 deletions
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15
Marlin/Configuration_adv.h
View file

@ -273,12 +273,21 @@
// Babystepping enables the user to control the axis in tiny amounts, independently from the normal printing process
// it can e.g. be used to change z-positions in the print startup phase in realtime
// does not respect endstops!
//#define BABYSTEPPING
//#define BABYSTEP_XY //not only z, but also XY
#ifdef BABYSTEPPING
#define BABYSTEP_XY //not only z, but also XY in the menu. more clutter, more functions
#define BABYSTEP_INVERT_Z false //true for inverse movements in Z
#define BABYSTEP_Z_MULTIPLICATOR 2 //faster z movements
#ifdef COREXY
#ifdef COREXY
#error BABYSTEPPING not implemented for COREXY yet.
#endif
#ifdef DELTA
#ifdef BABYSTEP_XY
#error BABYSTEPPING only implemented for Z axis on deltabots.
#endif
#endif
#endif
// extruder advance constant (s2/mm3)

41
Marlin/stepper.cpp
View file

@ -1070,14 +1070,16 @@ void babystep(const uint8_t axis,const bool direction)
}
break;
#ifndef DELTA
case Z_AXIS:
{
enable_z();
uint8_t old_z_dir_pin= READ(Z_DIR_PIN); //if dualzstepper, both point to same direction.
//setup new step
WRITE(Z_DIR_PIN,(INVERT_Z_DIR)^direction);
WRITE(Z_DIR_PIN,(INVERT_Z_DIR)^direction^BABYSTEP_INVERT_Z);
#ifdef Z_DUAL_STEPPER_DRIVERS
WRITE(Z2_DIR_PIN,(INVERT_Z_DIR)^direction);
WRITE(Z2_DIR_PIN,(INVERT_Z_DIR)^direction^BABYSTEP_INVERT_Z);
#endif
//perform step
WRITE(Z_STEP_PIN, !INVERT_Z_STEP_PIN);
@ -1101,6 +1103,41 @@ void babystep(const uint8_t axis,const bool direction)
}
break;
#else //DELTA
case Z_AXIS:
{
enable_x();
enable_y();
enable_z();
uint8_t old_x_dir_pin= READ(X_DIR_PIN);
uint8_t old_y_dir_pin= READ(Y_DIR_PIN);
uint8_t old_z_dir_pin= READ(Z_DIR_PIN);
//setup new step
WRITE(X_DIR_PIN,(INVERT_X_DIR)^direction^BABYSTEP_INVERT_Z);
WRITE(Y_DIR_PIN,(INVERT_Y_DIR)^direction^BABYSTEP_INVERT_Z);
WRITE(Z_DIR_PIN,(INVERT_Z_DIR)^direction^BABYSTEP_INVERT_Z);
//perform step
WRITE(X_STEP_PIN, !INVERT_X_STEP_PIN);
WRITE(Y_STEP_PIN, !INVERT_Y_STEP_PIN);
WRITE(Z_STEP_PIN, !INVERT_Z_STEP_PIN);
//wait a tiny bit
{
float x=1./float(axis+1); //absolutely useless
}
WRITE(X_STEP_PIN, INVERT_X_STEP_PIN);
WRITE(Y_STEP_PIN, INVERT_Y_STEP_PIN);
WRITE(Z_STEP_PIN, INVERT_Z_STEP_PIN);
//get old pin state back.
WRITE(X_DIR_PIN,old_x_dir_pin);
WRITE(Y_DIR_PIN,old_y_dir_pin);
WRITE(Z_DIR_PIN,old_z_dir_pin);
}
break;
#endif
default: break;
}

2
Marlin/ultralcd.cpp
View file

@ -367,7 +367,7 @@ static void lcd_babystep_z()
{
if (encoderPosition != 0)
{
babystepsTodo[Z_AXIS]+=(int)encoderPosition;
babystepsTodo[Z_AXIS]+=BABYSTEP_Z_MULTIPLICATOR*(int)encoderPosition;
encoderPosition=0;
lcdDrawUpdate = 1;
}