@ -106,6 +106,17 @@ float destination[XYZE]; // = { 0 }
// Extruder offsets
# if HAS_HOTEND_OFFSET
float hotend_offset [ XYZ ] [ HOTENDS ] ; // Initialized by settings.load()
void reset_hotend_offsets ( ) {
constexpr float tmp [ XYZ ] [ HOTENDS ] = { HOTEND_OFFSET_X , HOTEND_OFFSET_Y , HOTEND_OFFSET_Z } ;
static_assert (
tmp [ X_AXIS ] [ 0 ] = = 0 & & tmp [ Y_AXIS ] [ 0 ] = = 0 & & tmp [ Z_AXIS ] [ 0 ] = = 0 ,
" Offsets for the first hotend must be 0.0. "
) ;
LOOP_XYZ ( i ) HOTEND_LOOP ( ) hotend_offset [ i ] [ e ] = tmp [ i ] [ e ] ;
# if ENABLED(DUAL_X_CARRIAGE)
hotend_offset [ X_AXIS ] [ 1 ] = MAX ( X2_HOME_POS , X2_MAX_POS ) ;
# endif
}
# endif
// The feedrate for the current move, often used as the default if
@ -130,11 +141,23 @@ const float homing_feedrate_mm_s[XYZ] PROGMEM = {
float cartes [ XYZ ] ;
# if IS_KINEMATIC
float delta [ ABC ] ;
# endif
# if HAS_SCARA_OFFSET
float scara_home_offset [ ABC ] ;
# if HAS_SCARA_OFFSET
float scara_home_offset [ ABC ] ;
# endif
# if HAS_SOFTWARE_ENDSTOPS
float soft_endstop_radius , soft_endstop_radius_2 ;
# elif IS_SCARA
constexpr float soft_endstop_radius = SCARA_PRINTABLE_RADIUS ,
soft_endstop_radius_2 = sq ( SCARA_PRINTABLE_RADIUS ) ;
# else // DELTA
constexpr float soft_endstop_radius = DELTA_PRINTABLE_RADIUS ,
soft_endstop_radius_2 = sq ( DELTA_PRINTABLE_RADIUS ) ;
# endif
# endif
/**
@ -440,47 +463,6 @@ void clean_up_after_endstop_or_probe_move() {
float soft_endstop_min [ XYZ ] = { X_MIN_BED , Y_MIN_BED , Z_MIN_POS } ,
soft_endstop_max [ XYZ ] = { X_MAX_BED , Y_MAX_BED , Z_MAX_POS } ;
# if IS_KINEMATIC
float soft_endstop_radius , soft_endstop_radius_2 ;
# endif
/**
* Constrain the given coordinates to the software endstops .
*
* For DELTA / SCARA the XY constraint is based on the smallest
* radius within the set software endstops .
*/
void clamp_to_software_endstops ( float target [ XYZ ] ) {
if ( ! soft_endstops_enabled ) return ;
# if IS_KINEMATIC
const float dist_2 = HYPOT2 ( target [ X_AXIS ] , target [ Y_AXIS ] ) ;
if ( dist_2 > soft_endstop_radius_2 ) {
const float ratio = soft_endstop_radius / SQRT ( dist_2 ) ; // 200 / 300 = 0.66
target [ X_AXIS ] * = ratio ;
target [ Y_AXIS ] * = ratio ;
}
# else
# if ENABLED(MIN_SOFTWARE_ENDSTOP_X)
NOLESS ( target [ X_AXIS ] , soft_endstop_min [ X_AXIS ] ) ;
# endif
# if ENABLED(MIN_SOFTWARE_ENDSTOP_Y)
NOLESS ( target [ Y_AXIS ] , soft_endstop_min [ Y_AXIS ] ) ;
# endif
# if ENABLED(MAX_SOFTWARE_ENDSTOP_X)
NOMORE ( target [ X_AXIS ] , soft_endstop_max [ X_AXIS ] ) ;
# endif
# if ENABLED(MAX_SOFTWARE_ENDSTOP_Y)
NOMORE ( target [ Y_AXIS ] , soft_endstop_max [ Y_AXIS ] ) ;
# endif
# endif
# if ENABLED(MIN_SOFTWARE_ENDSTOP_Z)
NOLESS ( target [ Z_AXIS ] , soft_endstop_min [ Z_AXIS ] ) ;
# endif
# if ENABLED(MAX_SOFTWARE_ENDSTOP_Z)
NOMORE ( target [ Z_AXIS ] , soft_endstop_max [ Z_AXIS ] ) ;
# endif
}
/**
* Software endstops can be used to monitor the open end of
* an axis that has a hardware endstop on the other end . Or
@ -490,7 +472,11 @@ void clean_up_after_endstop_or_probe_move() {
* the software endstop positions must be refreshed to remain
* at the same positions relative to the machine .
*/
void update_software_endstops ( const AxisEnum axis ) {
void update_software_endstops ( const AxisEnum axis
# if HAS_HOTEND_OFFSET
, const uint8_t old_tool_index /*=0*/ , const uint8_t new_tool_index /*=0*/
# endif
) {
# if ENABLED(DUAL_X_CARRIAGE)
@ -499,7 +485,7 @@ void clean_up_after_endstop_or_probe_move() {
// In Dual X mode hotend_offset[X] is T1's home position
const float dual_max_x = MAX ( hotend_offset [ X_AXIS ] [ 1 ] , X2_MAX_POS ) ;
if ( active_extruder ! = 0 ) {
if ( new_tool_index ! = 0 ) {
// T1 can move from X2_MIN_POS to X2_MAX_POS or X2 home position (whichever is larger)
soft_endstop_min [ X_AXIS ] = X2_MIN_POS ;
soft_endstop_max [ X_AXIS ] = dual_max_x ;
@ -538,6 +524,22 @@ void clean_up_after_endstop_or_probe_move() {
default : break ;
}
# elif HAS_HOTEND_OFFSET
// Software endstops are relative to the tool 0 workspace, so
// the movement limits must be shifted by the tool offset to
// retain the same physical limit when other tools are selected.
if ( old_tool_index ! = new_tool_index ) {
const float offs = hotend_offset [ axis ] [ new_tool_index ] - hotend_offset [ axis ] [ old_tool_index ] ;
soft_endstop_min [ axis ] + = offs ;
soft_endstop_max [ axis ] + = offs ;
}
else {
const float offs = hotend_offset [ axis ] [ active_extruder ] ;
soft_endstop_min [ axis ] = base_min_pos ( axis ) + offs ;
soft_endstop_max [ axis ] = base_max_pos ( axis ) + offs ;
}
# else
soft_endstop_min [ axis ] = base_min_pos ( axis ) ;
@ -554,7 +556,59 @@ void clean_up_after_endstop_or_probe_move() {
# endif
}
# endif
# endif // HAS_SOFTWARE_ENDSTOPS
/**
* Constrain the given coordinates to the software endstops .
*
* For DELTA / SCARA the XY constraint is based on the smallest
* radius within the set software endstops .
*/
void clamp_to_software_endstops ( float target [ XYZ ] ) {
if ( ! soft_endstops_enabled ) return ;
# if IS_KINEMATIC
# if HAS_HOTEND_OFFSET && ENABLED(DELTA)
// The effector center position will be the target minus the hotend offset.
const float offx = hotend_offset [ X_AXIS ] [ active_extruder ] , offy = hotend_offset [ Y_AXIS ] [ active_extruder ] ;
# else
// SCARA needs to consider the angle of the arm through the entire move, so for now use no tool offset.
constexpr float offx = 0 , offy = 0 ;
# endif
const float dist_2 = HYPOT2 ( target [ X_AXIS ] - offx , target [ Y_AXIS ] - offy ) ;
if ( dist_2 > soft_endstop_radius_2 ) {
const float ratio = ( soft_endstop_radius ) / SQRT ( dist_2 ) ; // 200 / 300 = 0.66
target [ X_AXIS ] * = ratio ;
target [ Y_AXIS ] * = ratio ;
}
# else
# if !HAS_SOFTWARE_ENDSTOPS || ENABLED(MIN_SOFTWARE_ENDSTOP_X)
NOLESS ( target [ X_AXIS ] , soft_endstop_min [ X_AXIS ] ) ;
# endif
# if !HAS_SOFTWARE_ENDSTOPS || ENABLED(MAX_SOFTWARE_ENDSTOP_X)
NOMORE ( target [ X_AXIS ] , soft_endstop_max [ X_AXIS ] ) ;
# endif
# if !HAS_SOFTWARE_ENDSTOPS || ENABLED(MIN_SOFTWARE_ENDSTOP_Y)
NOLESS ( target [ Y_AXIS ] , soft_endstop_min [ Y_AXIS ] ) ;
# endif
# if !HAS_SOFTWARE_ENDSTOPS || ENABLED(MAX_SOFTWARE_ENDSTOP_Y)
NOMORE ( target [ Y_AXIS ] , soft_endstop_max [ Y_AXIS ] ) ;
# endif
# endif
# if !HAS_SOFTWARE_ENDSTOPS || ENABLED(MIN_SOFTWARE_ENDSTOP_Z)
NOLESS ( target [ Z_AXIS ] , soft_endstop_min [ Z_AXIS ] ) ;
# endif
# if !HAS_SOFTWARE_ENDSTOPS || ENABLED(MAX_SOFTWARE_ENDSTOP_Z)
NOMORE ( target [ Z_AXIS ] , soft_endstop_max [ Z_AXIS ] ) ;
# endif
}
# if !UBL_SEGMENTED
# if IS_KINEMATIC