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Merge pull request #1740 from thinkyhead/fixup_homing

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Apply leveling for DELTA
2.0.x
Scott Lahteine 10 years ago
parent 346c07cc1a 41d258697a
commit baa6787393
2 changed files with 586 additions and 528 deletions
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406
Marlin/Marlin_main.cpp
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@ -79,7 +79,7 @@
// 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
// G28 - Home one or more axes
// G29 - Detailed Z-Probe, probes the bed at 3 or more points. Will fail if you haven't homed yet.
// G30 - Single Z Probe, probes bed at current XY location.
// G31 - Dock sled (Z_PROBE_SLED only)
@ -476,8 +476,6 @@ bool enquecommand(const char *cmd)
return true;
}
void setup_killpin()
{
#if defined(KILL_PIN) && KILL_PIN > -1
@ -965,10 +963,10 @@ static void axis_is_at_home(int axis) {
return;
}
else if (dual_x_carriage_mode == DXC_DUPLICATION_MODE) {
current_position[X_AXIS] = base_home_pos(X_AXIS) + home_offset[X_AXIS];
min_pos[X_AXIS] = base_min_pos(X_AXIS) + home_offset[X_AXIS];
max_pos[X_AXIS] = min(base_max_pos(X_AXIS) + home_offset[X_AXIS],
max(extruder_offset[1][X_AXIS], X2_MAX_POS) - duplicate_extruder_x_offset);
float xoff = home_offset[X_AXIS];
current_position[X_AXIS] = base_home_pos(X_AXIS) + xoff;
min_pos[X_AXIS] = base_min_pos(X_AXIS) + xoff;
max_pos[X_AXIS] = min(base_max_pos(X_AXIS) + xoff, max(extruder_offset[1][X_AXIS], X2_MAX_POS) - duplicate_extruder_x_offset);
return;
}
}
@ -1022,16 +1020,27 @@ static void axis_is_at_home(int axis) {
}
/**
* Shorthand to tell the planner our current position (in mm).
* Some planner shorthand inline functions
*/
inline void line_to_current_position() {
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], feedrate/60, active_extruder);
}
inline void line_to_z(float zPosition) {
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], zPosition, current_position[E_AXIS], feedrate/60, active_extruder);
}
inline void line_to_destination() {
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
}
inline void sync_plan_position() {
plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
}
#ifdef ENABLE_AUTO_BED_LEVELING
#ifdef AUTO_BED_LEVELING_GRID
#ifndef DELTA
#ifdef AUTO_BED_LEVELING_GRID
#ifndef DELTA
static void set_bed_level_equation_lsq(double *plane_equation_coefficients) {
vector_3 planeNormal = vector_3(-plane_equation_coefficients[0], -plane_equation_coefficients[1], 1);
planeNormal.debug("planeNormal");
@ -1050,11 +1059,12 @@ inline void sync_plan_position() {
sync_plan_position();
}
#endif
#else // not AUTO_BED_LEVELING_GRID
#endif // !DELTA
static void set_bed_level_equation_3pts(float z_at_pt_1, float z_at_pt_2, float z_at_pt_3) {
#else // !AUTO_BED_LEVELING_GRID
static void set_bed_level_equation_3pts(float z_at_pt_1, float z_at_pt_2, float z_at_pt_3) {
plan_bed_level_matrix.set_to_identity();
@ -1077,11 +1087,12 @@ static void set_bed_level_equation_3pts(float z_at_pt_1, float z_at_pt_2, float
current_position[Z_AXIS] = zprobe_zoffset; // was: corrected_position.z
sync_plan_position();
}
}
#endif // AUTO_BED_LEVELING_GRID
#endif // !AUTO_BED_LEVELING_GRID
static void run_z_probe() {
static void run_z_probe() {
#ifdef DELTA
float start_z = current_position[Z_AXIS];
@ -1101,14 +1112,14 @@ static void run_z_probe() {
calculate_delta(current_position);
plan_set_position(delta[X_AXIS], delta[Y_AXIS], delta[Z_AXIS], current_position[E_AXIS]);
#else
#else // !DELTA
plan_bed_level_matrix.set_to_identity();
feedrate = homing_feedrate[Z_AXIS];
// move down until you find the bed
float zPosition = -10;
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], zPosition, current_position[E_AXIS], feedrate/60, active_extruder);
line_to_z(zPosition);
st_synchronize();
// we have to let the planner know where we are right now as it is not where we said to go.
@ -1117,21 +1128,20 @@ static void run_z_probe() {
// move up the retract distance
zPosition += home_retract_mm(Z_AXIS);
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], zPosition, current_position[E_AXIS], feedrate/60, active_extruder);
line_to_z(zPosition);
st_synchronize();
endstops_hit_on_purpose();
// move back down slowly to find bed
if (homing_bump_divisor[Z_AXIS] >= 1) {
feedrate = homing_feedrate[Z_AXIS]/homing_bump_divisor[Z_AXIS];
}
if (homing_bump_divisor[Z_AXIS] >= 1)
feedrate = homing_feedrate[Z_AXIS] / homing_bump_divisor[Z_AXIS];
else {
feedrate = homing_feedrate[Z_AXIS]/10;
SERIAL_ECHOLN("Warning: The Homing Bump Feedrate Divisor cannot be less then 1");
feedrate = homing_feedrate[Z_AXIS] / 10;
SERIAL_ECHOLN("Warning: The Homing Bump Feedrate Divisor cannot be less than 1");
}
zPosition -= home_retract_mm(Z_AXIS) * 2;
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], zPosition, current_position[E_AXIS], feedrate/60, active_extruder);
line_to_z(zPosition);
st_synchronize();
endstops_hit_on_purpose();
@ -1139,13 +1149,13 @@ static void run_z_probe() {
// make sure the planner knows where we are as it may be a bit different than we last said to move to
sync_plan_position();
#endif
}
#endif // !DELTA
}
static void do_blocking_move_to(float x, float y, float z) {
static void do_blocking_move_to(float x, float y, float z) {
float oldFeedRate = feedrate;
#ifdef DELTA
#ifdef DELTA
feedrate = XY_TRAVEL_SPEED;
@ -1155,49 +1165,49 @@ static void do_blocking_move_to(float x, float y, float z) {
prepare_move_raw();
st_synchronize();
#else
#else
feedrate = homing_feedrate[Z_AXIS];
current_position[Z_AXIS] = z;
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], feedrate/60, active_extruder);
line_to_current_position();
st_synchronize();
feedrate = xy_travel_speed;
current_position[X_AXIS] = x;
current_position[Y_AXIS] = y;
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], feedrate/60, active_extruder);
line_to_current_position();
st_synchronize();
#endif
#endif
feedrate = oldFeedRate;
}
}
static void setup_for_endstop_move() {
static void setup_for_endstop_move() {
saved_feedrate = feedrate;
saved_feedmultiply = feedmultiply;
feedmultiply = 100;
previous_millis_cmd = millis();
enable_endstops(true);
}
}
static void clean_up_after_endstop_move() {
#ifdef ENDSTOPS_ONLY_FOR_HOMING
static void clean_up_after_endstop_move() {
#ifdef ENDSTOPS_ONLY_FOR_HOMING
enable_endstops(false);
#endif
#endif
feedrate = saved_feedrate;
feedmultiply = saved_feedmultiply;
previous_millis_cmd = millis();
}
}
static void engage_z_probe() {
static void engage_z_probe() {
// Engage Z Servo endstop if enabled
#ifdef SERVO_ENDSTOPS
if (servo_endstops[Z_AXIS] > -1) {
// Engage Z Servo endstop if enabled
if (servo_endstops[Z_AXIS] >= 0) {
#if SERVO_LEVELING
servos[servo_endstops[Z_AXIS]].attach(0);
#endif
@ -1207,7 +1217,9 @@ static void engage_z_probe() {
servos[servo_endstops[Z_AXIS]].detach();
#endif
}
#elif defined(Z_PROBE_ALLEN_KEY)
feedrate = homing_feedrate[X_AXIS];
// Move to the start position to initiate deployment
@ -1229,40 +1241,45 @@ static void engage_z_probe() {
st_synchronize();
bool z_min_endstop = (READ(Z_MIN_PIN) != Z_MIN_ENDSTOP_INVERTING);
if (z_min_endstop)
{
if (!Stopped)
{
if (z_min_endstop) {
if (!Stopped) {
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Z-Probe failed to engage!");
LCD_ALERTMESSAGEPGM("Err: ZPROBE");
}
Stop();
}
#endif
}
#endif // Z_PROBE_ALLEN_KEY
}
static void retract_z_probe(const float z_after=Z_RAISE_AFTER_PROBING) {
static void retract_z_probe() {
// Retract Z Servo endstop if enabled
#ifdef SERVO_ENDSTOPS
if (servo_endstops[Z_AXIS] > -1)
{
#if Z_RAISE_AFTER_PROBING > 0
do_blocking_move_to(current_position[X_AXIS], current_position[Y_AXIS], Z_RAISE_AFTER_PROBING);
// Retract Z Servo endstop if enabled
if (servo_endstops[Z_AXIS] >= 0) {
if (z_after > 0) {
do_blocking_move_to(current_position[X_AXIS], current_position[Y_AXIS], z_after);
st_synchronize();
#endif
}
#if SERVO_LEVELING
servos[servo_endstops[Z_AXIS]].attach(0);
#endif
servos[servo_endstops[Z_AXIS]].write(servo_endstop_angles[Z_AXIS * 2 + 1]);
#if SERVO_LEVELING
delay(PROBE_SERVO_DEACTIVATION_DELAY);
servos[servo_endstops[Z_AXIS]].detach();
#endif
}
#elif defined(Z_PROBE_ALLEN_KEY)
// Move up for safety
feedrate = homing_feedrate[X_AXIS];
destination[Z_AXIS] = current_position[Z_AXIS] + Z_RAISE_AFTER_PROBING;
@ -1293,29 +1310,28 @@ static void retract_z_probe() {
st_synchronize();
bool z_min_endstop = (READ(Z_MIN_PIN) != Z_MIN_ENDSTOP_INVERTING);
if (!z_min_endstop)
{
if (!Stopped)
{
if (!z_min_endstop) {
if (!Stopped) {
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Z-Probe failed to retract!");
LCD_ALERTMESSAGEPGM("Err: ZPROBE");
}
Stop();
}
#endif
}
}
enum ProbeAction {
enum ProbeAction {
ProbeStay = 0,
ProbeEngage = BIT(0),
ProbeRetract = BIT(1),
ProbeEngageAndRetract = (ProbeEngage | ProbeRetract)
};
};
/// Probe bed height at position (x,y), returns the measured z value
static float probe_pt(float x, float y, float z_before, ProbeAction retract_action=ProbeEngageAndRetract, int verbose_level=1) {
// Probe bed height at position (x,y), returns the measured z value
static float probe_pt(float x, float y, float z_before, ProbeAction retract_action=ProbeEngageAndRetract, int verbose_level=1) {
// move to right place
do_blocking_move_to(current_position[X_AXIS], current_position[Y_AXIS], z_before);
do_blocking_move_to(x - X_PROBE_OFFSET_FROM_EXTRUDER, y - Y_PROBE_OFFSET_FROM_EXTRUDER, current_position[Z_AXIS]);
@ -1328,7 +1344,7 @@ static float probe_pt(float x, float y, float z_before, ProbeAction retract_acti
float measured_z = current_position[Z_AXIS];
#if !defined(Z_PROBE_SLED) && !defined(Z_PROBE_ALLEN_KEY)
if (retract_action & ProbeRetract) retract_z_probe();
if (retract_action & ProbeRetract) retract_z_probe(z_before);
#endif
if (verbose_level > 2) {
@ -1342,10 +1358,15 @@ static float probe_pt(float x, float y, float z_before, ProbeAction retract_acti
SERIAL_EOL;
}
return measured_z;
}
}
#ifdef DELTA
static void extrapolate_one_point(int x, int y, int xdir, int ydir) {
#ifdef DELTA
/**
* All DELTA leveling in the Marlin uses NONLINEAR_BED_LEVELING
*/
static void extrapolate_one_point(int x, int y, int xdir, int ydir) {
if (bed_level[x][y] != 0.0) {
return; // Don't overwrite good values.
}
@ -1361,11 +1382,11 @@ static void extrapolate_one_point(int x, int y, int xdir, int ydir) {
if (a < c) median = a;
}
bed_level[x][y] = median;
}
}
// Fill in the unprobed points (corners of circular print surface)
// using linear extrapolation, away from the center.
static void extrapolate_unprobed_bed_level() {
// Fill in the unprobed points (corners of circular print surface)
// using linear extrapolation, away from the center.
static void extrapolate_unprobed_bed_level() {
int half = (AUTO_BED_LEVELING_GRID_POINTS-1)/2;
for (int y = 0; y <= half; y++) {
for (int x = 0; x <= half; x++) {
@ -1376,10 +1397,10 @@ static void extrapolate_unprobed_bed_level() {
extrapolate_one_point(half+x, half+y, x>1?-1:0, y>1?-1:0);
}
}
}
}
// Print calibration results for plotting or manual frame adjustment.
static void print_bed_level() {
// Print calibration results for plotting or manual frame adjustment.
static void print_bed_level() {
for (int y = 0; y < AUTO_BED_LEVELING_GRID_POINTS; y++) {
for (int x = 0; x < AUTO_BED_LEVELING_GRID_POINTS; x++) {
SERIAL_PROTOCOL_F(bed_level[x][y], 2);
@ -1387,80 +1408,82 @@ static void print_bed_level() {
}
SERIAL_ECHOLN("");
}
}
}
// Reset calibration results to zero.
void reset_bed_level() {
// Reset calibration results to zero.
void reset_bed_level() {
for (int y = 0; y < AUTO_BED_LEVELING_GRID_POINTS; y++) {
for (int x = 0; x < AUTO_BED_LEVELING_GRID_POINTS; x++) {
bed_level[x][y] = 0.0;
}
}
}
}
#endif // DELTA
#endif // DELTA
#endif // ENABLE_AUTO_BED_LEVELING
static void homeaxis(int axis) {
#define HOMEAXIS_DO(LETTER) \
#define HOMEAXIS_DO(LETTER) \
((LETTER##_MIN_PIN > -1 && LETTER##_HOME_DIR==-1) || (LETTER##_MAX_PIN > -1 && LETTER##_HOME_DIR==1))
if (axis==X_AXIS ? HOMEAXIS_DO(X) :
axis==Y_AXIS ? HOMEAXIS_DO(Y) :
axis==Z_AXIS ? HOMEAXIS_DO(Z) :
0) {
int axis_home_dir = home_dir(axis);
#ifdef DUAL_X_CARRIAGE
if (axis == X_AXIS)
axis_home_dir = x_home_dir(active_extruder);
#endif
if (axis == X_AXIS ? HOMEAXIS_DO(X) :
axis == Y_AXIS ? HOMEAXIS_DO(Y) :
axis == Z_AXIS ? HOMEAXIS_DO(Z) : 0) {
int axis_home_dir;
#ifdef DUAL_X_CARRIAGE
if (axis == X_AXIS) axis_home_dir = x_home_dir(active_extruder);
#else
axis_home_dir = home_dir(axis);
#endif
current_position[axis] = 0;
sync_plan_position();
#ifndef Z_PROBE_SLED
#ifndef Z_PROBE_SLED
// Engage Servo endstop if enabled
#ifdef SERVO_ENDSTOPS
#if SERVO_LEVELING
if (axis==Z_AXIS) {
if (axis == Z_AXIS) {
engage_z_probe();
}
else
#endif
if (servo_endstops[axis] > -1) {
#endif // SERVO_LEVELING
if (servo_endstops[axis] > -1)
servos[servo_endstops[axis]].write(servo_endstop_angles[axis * 2]);
}
#endif
#endif // Z_PROBE_SLED
#endif // SERVO_ENDSTOPS
#endif // Z_PROBE_SLED
#ifdef Z_DUAL_ENDSTOPS
if (axis==Z_AXIS) In_Homing_Process(true);
if (axis == Z_AXIS) In_Homing_Process(true);
#endif
destination[axis] = 1.5 * max_length(axis) * axis_home_dir;
feedrate = homing_feedrate[axis];
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
line_to_destination();
st_synchronize();
current_position[axis] = 0;
sync_plan_position();
destination[axis] = -home_retract_mm(axis) * axis_home_dir;
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
line_to_destination();
st_synchronize();
destination[axis] = 2*home_retract_mm(axis) * axis_home_dir;
destination[axis] = 2 * home_retract_mm(axis) * axis_home_dir;
if (homing_bump_divisor[axis] >= 1)
{
feedrate = homing_feedrate[axis]/homing_bump_divisor[axis];
}
else
{
feedrate = homing_feedrate[axis]/10;
SERIAL_ECHOLN("Warning: The Homing Bump Feedrate Divisor cannot be less then 1");
feedrate = homing_feedrate[axis] / homing_bump_divisor[axis];
else {
feedrate = homing_feedrate[axis] / 10;
SERIAL_ECHOLN("Warning: The Homing Bump Feedrate Divisor cannot be less than 1");
}
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
line_to_destination();
st_synchronize();
#ifdef Z_DUAL_ENDSTOPS
if (axis==Z_AXIS)
@ -1475,7 +1498,7 @@ static void homeaxis(int axis) {
destination[axis] = fabs(z_endstop_adj);
if (z_endstop_adj < 0) Lock_z_motor(true); else Lock_z2_motor(true);
}
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
line_to_destination();
st_synchronize();
Lock_z_motor(false);
Lock_z2_motor(false);
@ -1488,7 +1511,7 @@ static void homeaxis(int axis) {
if (endstop_adj[axis] * axis_home_dir < 0) {
sync_plan_position();
destination[axis] = endstop_adj[axis];
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
line_to_destination();
st_synchronize();
}
#endif
@ -1533,7 +1556,7 @@ void refresh_cmd_timeout(void)
}
plan_set_e_position(current_position[E_AXIS]);
float oldFeedrate = feedrate;
feedrate=retract_feedrate*60;
feedrate = retract_feedrate * 60;
retracted[active_extruder]=true;
prepare_move();
if(retract_zlift > 0.01) {
@ -1569,8 +1592,8 @@ void refresh_cmd_timeout(void)
}
plan_set_e_position(current_position[E_AXIS]);
float oldFeedrate = feedrate;
feedrate=retract_recover_feedrate*60;
retracted[active_extruder]=false;
feedrate = retract_recover_feedrate * 60;
retracted[active_extruder] = false;
prepare_move();
feedrate = oldFeedrate;
}
@ -1724,17 +1747,16 @@ inline void gcode_G4() {
*/
inline void gcode_G28() {
#ifdef ENABLE_AUTO_BED_LEVELING
plan_bed_level_matrix.set_to_identity(); //Reset the plane ("erase" all leveling data)
#ifdef DELTA
reset_bed_level();
#else
plan_bed_level_matrix.set_to_identity(); //Reset the plane ("erase" all leveling data)
#endif
#endif
#if defined(MESH_BED_LEVELING)
uint8_t mbl_was_active = mbl.active;
mbl.active = 0;
#endif // MESH_BED_LEVELING
#endif
saved_feedrate = feedrate;
saved_feedmultiply = feedmultiply;
@ -1757,7 +1779,7 @@ inline void gcode_G28() {
for (int i = X_AXIS; i <= Z_AXIS; i++) destination[i] = 3 * Z_MAX_LENGTH;
feedrate = 1.732 * homing_feedrate[X_AXIS];
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
line_to_destination();
st_synchronize();
endstops_hit_on_purpose();
@ -1805,7 +1827,7 @@ inline void gcode_G28() {
} else {
feedrate *= sqrt(pow(max_length(X_AXIS) / max_length(Y_AXIS), 2) + 1);
}
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
line_to_destination();
st_synchronize();
axis_is_at_home(X_AXIS);
@ -1813,7 +1835,7 @@ inline void gcode_G28() {
sync_plan_position();
destination[X_AXIS] = current_position[X_AXIS];
destination[Y_AXIS] = current_position[Y_AXIS];
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
line_to_destination();
feedrate = 0.0;
st_synchronize();
endstops_hit_on_purpose();
@ -1880,7 +1902,7 @@ inline void gcode_G28() {
#if defined(Z_RAISE_BEFORE_HOMING) && Z_RAISE_BEFORE_HOMING > 0
destination[Z_AXIS] = -Z_RAISE_BEFORE_HOMING * home_dir(Z_AXIS); // Set destination away from bed
feedrate = max_feedrate[Z_AXIS];
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate, active_extruder);
line_to_destination();
st_synchronize();
#endif
HOMEAXIS(Z);
@ -1892,11 +1914,11 @@ inline void gcode_G28() {
destination[X_AXIS] = round(Z_SAFE_HOMING_X_POINT - X_PROBE_OFFSET_FROM_EXTRUDER);
destination[Y_AXIS] = round(Z_SAFE_HOMING_Y_POINT - Y_PROBE_OFFSET_FROM_EXTRUDER);
destination[Z_AXIS] = -Z_RAISE_BEFORE_HOMING * home_dir(Z_AXIS); // Set destination away from bed
feedrate = XY_TRAVEL_SPEED / 60;
feedrate = XY_TRAVEL_SPEED;
current_position[Z_AXIS] = 0;
sync_plan_position();
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate, active_extruder);
line_to_destination();
st_synchronize();
current_position[X_AXIS] = destination[X_AXIS];
current_position[Y_AXIS] = destination[Y_AXIS];
@ -1918,7 +1940,7 @@ inline void gcode_G28() {
plan_set_position(cpx, cpy, current_position[Z_AXIS], current_position[E_AXIS]);
destination[Z_AXIS] = -Z_RAISE_BEFORE_HOMING * home_dir(Z_AXIS); // Set destination away from bed
feedrate = max_feedrate[Z_AXIS];
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate, active_extruder);
line_to_destination();
st_synchronize();
HOMEAXIS(Z);
}
@ -1971,7 +1993,7 @@ inline void gcode_G28() {
destination[Z_AXIS] = current_position[Z_AXIS];
destination[E_AXIS] = current_position[E_AXIS];
feedrate = homing_feedrate[X_AXIS];
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate, active_extruder);
line_to_destination();
st_synchronize();
current_position[Z_AXIS] = MESH_HOME_SEARCH_Z;
sync_plan_position();
@ -1985,6 +2007,19 @@ inline void gcode_G28() {
endstops_hit_on_purpose();
}
#if defined(MESH_BED_LEVELING) || defined(ENABLE_AUTO_BED_LEVELING)
// Check for known positions in X and Y
inline bool can_run_bed_leveling() {
if (axis_known_position[X_AXIS] && axis_known_position[Y_AXIS]) return true;
LCD_MESSAGEPGM(MSG_POSITION_UNKNOWN);
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM(MSG_POSITION_UNKNOWN);
return false;
}
#endif // MESH_BED_LEVELING || ENABLE_AUTO_BED_LEVELING
#ifdef MESH_BED_LEVELING
/**
@ -1999,6 +2034,10 @@ inline void gcode_G28() {
*
*/
inline void gcode_G29() {
// Prevent leveling without first homing in X and Y
if (!can_run_bed_leveling()) return;
static int probe_point = -1;
int state = 0;
if (code_seen('S') || code_seen('s')) {
@ -2115,13 +2154,8 @@ inline void gcode_G28() {
*/
inline void gcode_G29() {
// Prevent user from running a G29 without first homing in X and Y
if (!axis_known_position[X_AXIS] || !axis_known_position[Y_AXIS]) {
LCD_MESSAGEPGM(MSG_POSITION_UNKNOWN);
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM(MSG_POSITION_UNKNOWN);
return;
}
// Prevent leveling without first homing in X and Y
if (!can_run_bed_leveling()) return;
int verbose_level = 1;
@ -2203,16 +2237,15 @@ inline void gcode_G28() {
st_synchronize();
if (!dryrun)
{
if (!dryrun) {
// make sure the bed_level_rotation_matrix is identity or the planner will get it wrong
plan_bed_level_matrix.set_to_identity();
#ifdef DELTA
reset_bed_level();
#else //!DELTA
// make sure the bed_level_rotation_matrix is identity or the planner will get it incorectly
//vector_3 corrected_position = plan_get_position_mm();
//corrected_position.debug("position before G29");
plan_bed_level_matrix.set_to_identity();
vector_3 uncorrected_position = plan_get_position();
//uncorrected_position.debug("position during G29");
current_position[X_AXIS] = uncorrected_position.x;
@ -2220,7 +2253,7 @@ inline void gcode_G28() {
current_position[Z_AXIS] = uncorrected_position.z;
sync_plan_position();
#endif
#endif // !DELTA
}
setup_for_endstop_move();
@ -2281,13 +2314,12 @@ inline void gcode_G28() {
// raise extruder
float measured_z,
z_before = probePointCounter == 0 ? Z_RAISE_BEFORE_PROBING : current_position[Z_AXIS] + Z_RAISE_BETWEEN_PROBINGS;
z_before = Z_RAISE_BETWEEN_PROBINGS + (probePointCounter ? current_position[Z_AXIS] : 0);
#ifdef DELTA
// Avoid probing the corners (outside the round or hexagon print surface) on a delta printer.
float distance_from_center = sqrt(xProbe*xProbe + yProbe*yProbe);
if (distance_from_center > DELTA_PROBABLE_RADIUS)
continue;
if (distance_from_center > DELTA_PROBABLE_RADIUS) continue;
#endif //DELTA
// Enhanced G29 - Do not retract servo between probes
@ -2315,6 +2347,11 @@ inline void gcode_G28() {
#endif
probePointCounter++;
manage_heater();
manage_inactivity();
lcd_update();
} //xProbe
} //yProbe
@ -2401,16 +2438,14 @@ inline void gcode_G28() {
if (verbose_level > 0)
plan_bed_level_matrix.debug(" \n\nBed Level Correction Matrix:");
if (!dryrun) {
// Correct the Z height difference from z-probe position and hotend tip position.
// The Z height on homing is measured by Z-Probe, but the probe is quite far from the hotend.
// When the bed is uneven, this height must be corrected.
if (!dryrun)
{
float x_tmp, y_tmp, z_tmp, real_z;
real_z = float(st_get_position(Z_AXIS)) / axis_steps_per_unit[Z_AXIS]; //get the real Z (since the auto bed leveling is already correcting the plane)
x_tmp = current_position[X_AXIS] + X_PROBE_OFFSET_FROM_EXTRUDER;
y_tmp = current_position[Y_AXIS] + Y_PROBE_OFFSET_FROM_EXTRUDER;
z_tmp = current_position[Z_AXIS];
float x_tmp = current_position[X_AXIS] + X_PROBE_OFFSET_FROM_EXTRUDER,
y_tmp = current_position[Y_AXIS] + Y_PROBE_OFFSET_FROM_EXTRUDER,
z_tmp = current_position[Z_AXIS],
real_z = (float)st_get_position(Z_AXIS) / axis_steps_per_unit[Z_AXIS]; //get the real Z (since the auto bed leveling is already correcting the plane)
apply_rotation_xyz(plan_bed_level_matrix, x_tmp, y_tmp, z_tmp); //Apply the correction sending the probe offset
current_position[Z_AXIS] = z_tmp - real_z + current_position[Z_AXIS]; //The difference is added to current position and sent to planner.
@ -4685,18 +4720,14 @@ void process_commands() {
gcode_G28();
break;
#if defined(MESH_BED_LEVELING)
case 29: // G29 Handle mesh based leveling
#if defined(ENABLE_AUTO_BED_LEVELING) || defined(MESH_BED_LEVELING)
case 29: // G29 Detailed Z-Probe, probes the bed at 3 or more points.
gcode_G29();
break;
#endif
#ifdef ENABLE_AUTO_BED_LEVELING
case 29: // G29 Detailed Z-Probe, probes the bed at 3 or more points.
gcode_G29();
break;
#ifndef Z_PROBE_SLED
case 30: // G30 Single Z Probe
@ -5391,28 +5422,27 @@ void prepare_move()
#ifdef SCARA //for now same as delta-code
float difference[NUM_AXIS];
for (int8_t i=0; i < NUM_AXIS; i++) {
difference[i] = destination[i] - current_position[i];
}
float difference[NUM_AXIS];
for (int8_t i = 0; i < NUM_AXIS; i++) difference[i] = destination[i] - current_position[i];
float cartesian_mm = sqrt( sq(difference[X_AXIS]) +
float cartesian_mm = sqrt( sq(difference[X_AXIS]) +
sq(difference[Y_AXIS]) +
sq(difference[Z_AXIS]));
if (cartesian_mm < 0.000001) { cartesian_mm = abs(difference[E_AXIS]); }
if (cartesian_mm < 0.000001) { return; }
float seconds = 6000 * cartesian_mm / feedrate / feedmultiply;
int steps = max(1, int(scara_segments_per_second * seconds));
if (cartesian_mm < 0.000001) { cartesian_mm = abs(difference[E_AXIS]); }
if (cartesian_mm < 0.000001) { return; }
float seconds = 6000 * cartesian_mm / feedrate / feedmultiply;
int steps = max(1, int(scara_segments_per_second * seconds));
//SERIAL_ECHOPGM("mm="); SERIAL_ECHO(cartesian_mm);
//SERIAL_ECHOPGM(" seconds="); SERIAL_ECHO(seconds);
//SERIAL_ECHOPGM(" steps="); SERIAL_ECHOLN(steps);
for (int s = 1; s <= steps; s++) {
for (int s = 1; s <= steps; s++) {
float fraction = float(s) / float(steps);
for(int8_t i=0; i < NUM_AXIS; i++) {
for(int8_t i = 0; i < NUM_AXIS; i++) {
destination[i] = current_position[i] + difference[i] * fraction;
}
calculate_delta(destination);
//SERIAL_ECHOPGM("destination[X_AXIS]="); SERIAL_ECHOLN(destination[X_AXIS]);
//SERIAL_ECHOPGM("destination[Y_AXIS]="); SERIAL_ECHOLN(destination[Y_AXIS]);
@ -5424,36 +5454,40 @@ for (int s = 1; s <= steps; s++) {
plan_buffer_line(delta[X_AXIS], delta[Y_AXIS], delta[Z_AXIS],
destination[E_AXIS], feedrate*feedmultiply/60/100.0,
active_extruder);
}
#endif // SCARA
#ifdef DELTA
float difference[NUM_AXIS];
for (int8_t i=0; i < NUM_AXIS; i++) {
difference[i] = destination[i] - current_position[i];
}
#endif // SCARA
#ifdef DELTA
float difference[NUM_AXIS];
for (int8_t i=0; i < NUM_AXIS; i++) difference[i] = destination[i] - current_position[i];
float cartesian_mm = sqrt(sq(difference[X_AXIS]) +
sq(difference[Y_AXIS]) +
sq(difference[Z_AXIS]));
if (cartesian_mm < 0.000001) { cartesian_mm = abs(difference[E_AXIS]); }
if (cartesian_mm < 0.000001) { return; }
if (cartesian_mm < 0.000001) cartesian_mm = abs(difference[E_AXIS]);
if (cartesian_mm < 0.000001) return;
float seconds = 6000 * cartesian_mm / feedrate / feedmultiply;
int steps = max(1, int(delta_segments_per_second * seconds));
// SERIAL_ECHOPGM("mm="); SERIAL_ECHO(cartesian_mm);
// SERIAL_ECHOPGM(" seconds="); SERIAL_ECHO(seconds);
// SERIAL_ECHOPGM(" steps="); SERIAL_ECHOLN(steps);
for (int s = 1; s <= steps; s++) {
float fraction = float(s) / float(steps);
for(int8_t i=0; i < NUM_AXIS; i++) {
destination[i] = current_position[i] + difference[i] * fraction;
}
for (int8_t i = 0; i < NUM_AXIS; i++) destination[i] = current_position[i] + difference[i] * fraction;
calculate_delta(destination);
#ifdef ENABLE_AUTO_BED_LEVELING
adjust_delta(destination);
#endif
plan_buffer_line(delta[X_AXIS], delta[Y_AXIS], delta[Z_AXIS],
destination[E_AXIS], feedrate*feedmultiply/60/100.0,
active_extruder);
}
#endif // DELTA
#endif // DELTA
#ifdef DUAL_X_CARRIAGE
if (active_extruder_parked)
@ -5499,13 +5533,13 @@ for (int s = 1; s <= steps; s++) {
#if ! (defined DELTA || defined SCARA)
// Do not use feedmultiply for E or Z only moves
if( (current_position[X_AXIS] == destination [X_AXIS]) && (current_position[Y_AXIS] == destination [Y_AXIS])) {
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
line_to_destination();
} else {
#if defined(MESH_BED_LEVELING)
mesh_plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate*feedmultiply/60/100.0, active_extruder);
mesh_plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], (feedrate/60)*(feedmultiply/100.0), active_extruder);
return;
#else
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate*feedmultiply/60/100.0, active_extruder);
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], (feedrate/60)*(feedmultiply/100.0), active_extruder);
#endif // MESH_BED_LEVELING
}
#endif // !(DELTA || SCARA)

108
Marlin/stepper.cpp
Unescape Escape View File

@ -511,83 +511,107 @@ ISR(TIMER1_COMPA_vect) {
}
if (TEST(out_bits, Z_AXIS)) { // -direction
Z_APPLY_DIR(INVERT_Z_DIR,0);
count_direction[Z_AXIS] = -1;
if (check_endstops)
{
#if defined(Z_MIN_PIN) && Z_MIN_PIN > -1
#ifndef Z_DUAL_ENDSTOPS
UPDATE_ENDSTOP(z, Z, min, MIN);
if (check_endstops) {
#if defined(Z_MIN_PIN) && Z_MIN_PIN >= 0
#ifdef Z_DUAL_ENDSTOPS
bool z_min_endstop = READ(Z_MIN_PIN) != Z_MIN_ENDSTOP_INVERTING,
z2_min_endstop =
#if defined(Z2_MIN_PIN) && Z2_MIN_PIN >= 0
READ(Z2_MIN_PIN) != Z2_MIN_ENDSTOP_INVERTING
#else
bool z_min_endstop=(READ(Z_MIN_PIN) != Z_MIN_ENDSTOP_INVERTING);
#if defined(Z2_MIN_PIN) && Z2_MIN_PIN > -1
bool z2_min_endstop=(READ(Z2_MIN_PIN) != Z2_MIN_ENDSTOP_INVERTING);
#else
bool z2_min_endstop=z_min_endstop;
z_min_endstop
#endif
if(((z_min_endstop && old_z_min_endstop) || (z2_min_endstop && old_z2_min_endstop)) && (current_block->steps[Z_AXIS] > 0))
{
;
bool z_min_both = z_min_endstop && old_z_min_endstop,
z2_min_both = z2_min_endstop && old_z2_min_endstop;
if ((z_min_both || z2_min_both) && current_block->steps[Z_AXIS] > 0) {
endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS];
endstop_z_hit=true;
if (!(performing_homing) || ((performing_homing)&&(z_min_endstop && old_z_min_endstop)&&(z2_min_endstop && old_z2_min_endstop))) //if not performing home or if both endstops were trigged during homing...
{
endstop_z_hit = true;
if (!performing_homing || (performing_homing && z_min_both && z2_min_both)) //if not performing home or if both endstops were trigged during homing...
step_events_completed = current_block->step_event_count;
}
}
old_z_min_endstop = z_min_endstop;
old_z2_min_endstop = z2_min_endstop;
#endif
#endif
}
#else // !Z_DUAL_ENDSTOPS
UPDATE_ENDSTOP(z, Z, min, MIN);
#endif // !Z_DUAL_ENDSTOPS
#endif // Z_MIN_PIN
} // check_endstops
}
else { // +direction
Z_APPLY_DIR(!INVERT_Z_DIR,0);
count_direction[Z_AXIS] = 1;
if (check_endstops) {
#if defined(Z_MAX_PIN) && Z_MAX_PIN >= 0
#ifndef Z_DUAL_ENDSTOPS
UPDATE_ENDSTOP(z, Z, max, MAX);
#ifdef Z_DUAL_ENDSTOPS
bool z_max_endstop = READ(Z_MAX_PIN) != Z_MAX_ENDSTOP_INVERTING,
z2_max_endstop =
#if defined(Z2_MAX_PIN) && Z2_MAX_PIN >= 0
READ(Z2_MAX_PIN) != Z2_MAX_ENDSTOP_INVERTING
#else
bool z_max_endstop=(READ(Z_MAX_PIN) != Z_MAX_ENDSTOP_INVERTING);
#if defined(Z2_MAX_PIN) && Z2_MAX_PIN > -1
bool z2_max_endstop=(READ(Z2_MAX_PIN) != Z2_MAX_ENDSTOP_INVERTING);
#else
bool z2_max_endstop=z_max_endstop;
z_max_endstop
#endif
if(((z_max_endstop && old_z_max_endstop) || (z2_max_endstop && old_z2_max_endstop)) && (current_block->steps[Z_AXIS] > 0))
{
;
bool z_max_both = z_max_endstop && old_z_max_endstop,
z2_max_both = z2_max_endstop && old_z2_max_endstop;
if ((z_max_both || z2_max_both) && current_block->steps[Z_AXIS] > 0) {
endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS];
endstop_z_hit=true;
endstop_z_hit = true;
// if (z_max_endstop && old_z_max_endstop) SERIAL_ECHOLN("z_max_endstop = true");
// if (z2_max_endstop && old_z2_max_endstop) SERIAL_ECHOLN("z2_max_endstop = true");
// if (z_max_both) SERIAL_ECHOLN("z_max_endstop = true");
// if (z2_max_both) SERIAL_ECHOLN("z2_max_endstop = true");
if (!(performing_homing) || ((performing_homing)&&(z_max_endstop && old_z_max_endstop)&&(z2_max_endstop && old_z2_max_endstop))) //if not performing home or if both endstops were trigged during homing...
{
if (!performing_homing || (performing_homing && z_max_both && z2_max_both)) //if not performing home or if both endstops were trigged during homing...
step_events_completed = current_block->step_event_count;
}
}
old_z_max_endstop = z_max_endstop;
old_z2_max_endstop = z2_max_endstop;
#endif
#endif
}
}
#else // !Z_DUAL_ENDSTOPS
UPDATE_ENDSTOP(z, Z, max, MAX);
#endif // !Z_DUAL_ENDSTOPS
#endif // Z_MAX_PIN
} // check_endstops
} // +direction
#ifndef ADVANCE
if (TEST(out_bits, E_AXIS)) { // -direction
REV_E_DIR();
count_direction[E_AXIS]=-1;
count_direction[E_AXIS] = -1;
}
else { // +direction
NORM_E_DIR();
count_direction[E_AXIS]=1;
count_direction[E_AXIS] = 1;
}
#endif //!ADVANCE
// Take multiple steps per interrupt (For high speed moves)
for (int8_t i=0; i < step_loops; i++) {
for (int8_t i = 0; i < step_loops; i++) {
#ifndef AT90USB
MSerial.checkRx(); // Check for serial chars.
#endif

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