andrey
/
Marlin_FB4S
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Merge pull request #8115 from thinkyhead/bf2_autotune_G33 

[2.0.x] G33 Autotune calibration update
pull/1/head
Scott Lahteine 7 years ago
committed by GitHub
parent
b338cafc65 dcfc2503c2
commit
55653dce63
8 changed files with 353 additions and 155 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 1
      Marlin/src/config/examples/Micromake/C1/README.md
  2. 6
      Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h
  3. 6
      Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h
  4. 6
      Marlin/src/config/examples/delta/generic/Configuration.h
  5. 6
      Marlin/src/config/examples/delta/kossel_mini/Configuration.h
  6. 6
      Marlin/src/config/examples/delta/kossel_pro/Configuration.h
  7. 6
      Marlin/src/config/examples/delta/kossel_xl/Configuration.h
  8. 471
      Marlin/src/gcode/calibrate/G33.cpp

1
Marlin/src/config/examples/Micromake/C1/README.md
View File

@ -13,4 +13,3 @@ Configuration files for Micromake C1 with…
- 128 STEPS configured with jumper on the motherboard (all open for 128 Steps).
- Capacitive Probe (Adjust offsets at your convenience)
- French language with no accents for Japanese LCD.

6
Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h
View File

@ -496,6 +496,12 @@
#if ENABLED(DELTA_AUTO_CALIBRATION)
// set the default number of probe points : n*n (1 -> 7)
#define DELTA_CALIBRATION_DEFAULT_POINTS 4
// Enable and set these values based on results of 'G33 A1'
//#define H_FACTOR 1.01
//#define R_FACTOR 2.61
//#define A_FACTOR 0.87
#endif
#if ENABLED(DELTA_AUTO_CALIBRATION) || ENABLED(DELTA_CALIBRATION_MENU)

6
Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h
View File

@ -496,6 +496,12 @@
#if ENABLED(DELTA_AUTO_CALIBRATION)
// set the default number of probe points : n*n (1 -> 7)
#define DELTA_CALIBRATION_DEFAULT_POINTS 4
// Enable and set these values based on results of 'G33 A1'
//#define H_FACTOR 1.01
//#define R_FACTOR 2.61
//#define A_FACTOR 0.87
#endif
#if ENABLED(DELTA_AUTO_CALIBRATION) || ENABLED(DELTA_CALIBRATION_MENU)

6
Marlin/src/config/examples/delta/generic/Configuration.h
View File

@ -486,6 +486,12 @@
#if ENABLED(DELTA_AUTO_CALIBRATION)
// set the default number of probe points : n*n (1 -> 7)
#define DELTA_CALIBRATION_DEFAULT_POINTS 4
// Enable and set these values based on results of 'G33 A1'
//#define H_FACTOR 1.01
//#define R_FACTOR 2.61
//#define A_FACTOR 0.87
#endif
#if ENABLED(DELTA_AUTO_CALIBRATION) || ENABLED(DELTA_CALIBRATION_MENU)

6
Marlin/src/config/examples/delta/kossel_mini/Configuration.h
View File

@ -486,6 +486,12 @@
#if ENABLED(DELTA_AUTO_CALIBRATION)
// set the default number of probe points : n*n (1 -> 7)
#define DELTA_CALIBRATION_DEFAULT_POINTS 4
// Enable and set these values based on results of 'G33 A1'
//#define H_FACTOR 1.01
//#define R_FACTOR 2.61
//#define A_FACTOR 0.87
#endif
#if ENABLED(DELTA_AUTO_CALIBRATION) || ENABLED(DELTA_CALIBRATION_MENU)

6
Marlin/src/config/examples/delta/kossel_pro/Configuration.h
View File

@ -472,6 +472,12 @@
#if ENABLED(DELTA_AUTO_CALIBRATION)
// set the default number of probe points : n*n (1 -> 7)
#define DELTA_CALIBRATION_DEFAULT_POINTS 4
// Enable and set these values based on results of 'G33 A1'
//#define H_FACTOR 1.01
//#define R_FACTOR 2.61
//#define A_FACTOR 0.87
#endif
#if ENABLED(DELTA_AUTO_CALIBRATION) || ENABLED(DELTA_CALIBRATION_MENU)

6
Marlin/src/config/examples/delta/kossel_xl/Configuration.h
View File

@ -490,6 +490,12 @@
#if ENABLED(DELTA_AUTO_CALIBRATION)
// set the default number of probe points : n*n (1 -> 7)
#define DELTA_CALIBRATION_DEFAULT_POINTS 4
// Enable and set these values based on results of 'G33 A1'
//#define H_FACTOR 1.01
//#define R_FACTOR 2.61
//#define A_FACTOR 0.87
#endif
#if ENABLED(DELTA_AUTO_CALIBRATION) || ENABLED(DELTA_CALIBRATION_MENU)

471
Marlin/src/gcode/calibrate/G33.cpp
View File

@ -37,35 +37,6 @@
#include "../../feature/bedlevel/bedlevel.h"
#endif
/**
* G33 - Delta '1-4-7-point' Auto-Calibration
* Calibrate height, endstops, delta radius, and tower angles.
*
* Parameters:
*
* Pn Number of probe points:
*
* P0 No probe. Normalize only.
* P1 Probe center and set height only.
* P2 Probe center and towers. Set height, endstops, and delta radius.
* P3 Probe all positions: center, towers and opposite towers. Set all.
* P4-P7 Probe all positions at different locations and average them.
*
* T0 Don't calibrate tower angle corrections
*
* Cn.nn Calibration precision; when omitted calibrates to maximum precision
*
* Fn Force to run at least n iterations and takes the best result
*
* Vn Verbose level:
*
* V0 Dry-run mode. Report settings and probe results. No calibration.
* V1 Report settings
* V2 Report settings and probe results
*
* E Engage the probe for each point
*/
static void print_signed_float(const char * const prefix, const float &f) {
SERIAL_PROTOCOLPGM(" ");
serialprintPGM(prefix);
@ -77,21 +48,55 @@ static void print_signed_float(const char * const prefix, const float &f) {
static void print_G33_settings(const bool end_stops, const bool tower_angles) {
SERIAL_PROTOCOLPAIR(".Height:", DELTA_HEIGHT + home_offset[Z_AXIS]);
if (end_stops) {
print_signed_float(PSTR(" Ex"), delta_endstop_adj[A_AXIS]);
print_signed_float(PSTR("Ex"), delta_endstop_adj[A_AXIS]);
print_signed_float(PSTR("Ey"), delta_endstop_adj[B_AXIS]);
print_signed_float(PSTR("Ez"), delta_endstop_adj[C_AXIS]);
SERIAL_PROTOCOLPAIR(" Radius:", delta_radius);
}
SERIAL_EOL();
if (end_stops && tower_angles) {
SERIAL_PROTOCOLPAIR(" Radius:", delta_radius);
SERIAL_EOL();
SERIAL_CHAR('.');
SERIAL_PROTOCOL_SP(13);
}
if (tower_angles) {
SERIAL_PROTOCOLPGM(".Tower angle : ");
print_signed_float(PSTR("Tx"), delta_tower_angle_trim[A_AXIS]);
print_signed_float(PSTR("Ty"), delta_tower_angle_trim[B_AXIS]);
print_signed_float(PSTR("Tz"), delta_tower_angle_trim[C_AXIS]);
}
if ((!end_stops && tower_angles) || (end_stops && !tower_angles)) { // XOR
SERIAL_PROTOCOLPAIR(" Radius:", delta_radius);
}
SERIAL_EOL();
}
static void print_G33_results(const float z_at_pt[13], const bool tower_points, const bool opposite_points) {
SERIAL_PROTOCOLPGM(". ");
print_signed_float(PSTR("c"), z_at_pt[0]);
if (tower_points) {
print_signed_float(PSTR(" x"), z_at_pt[1]);
print_signed_float(PSTR(" y"), z_at_pt[5]);
print_signed_float(PSTR(" z"), z_at_pt[9]);
}
if (tower_points && opposite_points) {
SERIAL_EOL();
SERIAL_CHAR('.');
SERIAL_PROTOCOL_SP(13);
}
if (opposite_points) {
print_signed_float(PSTR("yz"), z_at_pt[7]);
print_signed_float(PSTR("zx"), z_at_pt[11]);
print_signed_float(PSTR("xy"), z_at_pt[3]);
}
SERIAL_EOL();
}
/**
* After G33:
* - Move to the print ceiling (DELTA_HOME_TO_SAFE_ZONE only)
* - Stow the probe
* - Restore endstops state
* - Select the old tool, if needed
*/
static void G33_cleanup(
#if HOTENDS > 1
const uint8_t old_tool_index
@ -107,6 +112,216 @@ static void G33_cleanup(
#endif
}
static float probe_G33_points(float z_at_pt[13], const int8_t probe_points, const bool towers_set, const bool stow_after_each) {
const bool _0p_calibration = probe_points == 0,
_1p_calibration = probe_points == 1,
_4p_calibration = probe_points == 2,
_4p_opposite_points = _4p_calibration && !towers_set,
_7p_calibration = probe_points >= 3 || probe_points == 0,
_7p_half_circle = probe_points == 3,
_7p_double_circle = probe_points == 5,
_7p_triple_circle = probe_points == 6,
_7p_quadruple_circle = probe_points == 7,
_7p_intermed_points = probe_points >= 4,
_7p_multi_circle = probe_points >= 5;
#if DISABLED(PROBE_MANUALLY)
const float dx = (X_PROBE_OFFSET_FROM_EXTRUDER),
dy = (Y_PROBE_OFFSET_FROM_EXTRUDER);
#endif
for (uint8_t i = 0; i < COUNT(z_at_pt); i++) z_at_pt[i] = 0.0;
if (!_0p_calibration) {
if (!_7p_half_circle && !_7p_triple_circle) { // probe the center
#if ENABLED(PROBE_MANUALLY)
z_at_pt[0] += lcd_probe_pt(0, 0);
#else
z_at_pt[0] += probe_pt(dx, dy, stow_after_each, 1, false);
#endif
}
if (_7p_calibration) { // probe extra center points
for (int8_t axis = _7p_multi_circle ? COUNT(z_at_pt) - 2 : COUNT(z_at_pt) - 4; axis > 0; axis -= _7p_multi_circle ? 2 : 4) {
const float a = RADIANS(180 + 30 * axis), r = delta_calibration_radius * 0.1;
#if ENABLED(PROBE_MANUALLY)
z_at_pt[0] += lcd_probe_pt(cos(a) * r, sin(a) * r);
#else
z_at_pt[0] += probe_pt(cos(a) * r + dx, sin(a) * r + dy, stow_after_each, 1);
#endif
}
z_at_pt[0] /= float(_7p_double_circle ? 7 : probe_points);
}
if (!_1p_calibration) { // probe the radius
bool zig_zag = true;
const uint8_t start = _4p_opposite_points ? 3 : 1,
step = _4p_calibration ? 4 : _7p_half_circle ? 2 : 1;
for (uint8_t axis = start; axis < COUNT(z_at_pt); axis += step) {
const float zigadd = (zig_zag ? 0.5 : 0.0),
offset_circles = _7p_quadruple_circle ? zigadd + 1.0 :
_7p_triple_circle ? zigadd + 0.5 :
_7p_double_circle ? zigadd : 0;
for (float circles = -offset_circles ; circles <= offset_circles; circles++) {
const float a = RADIANS(180 + 30 * axis),
r = delta_calibration_radius * (1 + circles * (zig_zag ? 0.1 : -0.1));
#if ENABLED(PROBE_MANUALLY)
z_at_pt[axis] += lcd_probe_pt(cos(a) * r, sin(a) * r);
#else
z_at_pt[axis] += probe_pt(cos(a) * r + dx, sin(a) * r + dy, stow_after_each, 1);
#endif
}
zig_zag = !zig_zag;
z_at_pt[axis] /= (2 * offset_circles + 1);
}
}
if (_7p_intermed_points) // average intermediates to tower and opposites
for (uint8_t axis = 1; axis < COUNT(z_at_pt); axis += 2)
z_at_pt[axis] = (z_at_pt[axis] + (z_at_pt[axis + 1] + z_at_pt[(axis + 10) % 12 + 1]) / 2.0) / 2.0;
float S1 = z_at_pt[0],
S2 = sq(z_at_pt[0]);
int16_t N = 1;
if (!_1p_calibration) // std dev from zero plane
for (uint8_t axis = (_4p_opposite_points ? 3 : 1); axis < COUNT(z_at_pt); axis += (_4p_calibration ? 4 : 2)) {
S1 += z_at_pt[axis];
S2 += sq(z_at_pt[axis]);
N++;
}
return round(SQRT(S2 / N) * 1000.0) / 1000.0 + 0.00001;
}
return 0.00001;
}
#if DISABLED(PROBE_MANUALLY)
static void G33_auto_tune() {
float z_at_pt[13] = { 0.0 },
z_at_pt_base[13] = { 0.0 },
z_temp, h_fac = 0.0, r_fac = 0.0, a_fac = 0.0, norm = 0.8;
#define ZP(N,I) ((N) * z_at_pt[I])
#define Z06(I) ZP(6, I)
#define Z03(I) ZP(3, I)
#define Z02(I) ZP(2, I)
#define Z01(I) ZP(1, I)
#define Z32(I) ZP(3/2, I)
SERIAL_PROTOCOLPGM("AUTO TUNE baseline");
SERIAL_EOL();
probe_G33_points(z_at_pt_base, 3, true, false);
print_G33_results(z_at_pt_base, true, true);
LOOP_XYZ(axis) {
delta_endstop_adj[axis] -= 1.0;
endstops.enable(true);
if (!home_delta()) return;
endstops.not_homing();
SERIAL_PROTOCOLPGM("Tuning E");
SERIAL_CHAR(tolower(axis_codes[axis]));
SERIAL_EOL();
probe_G33_points(z_at_pt, 3, true, false);
for (int8_t i = 0; i < COUNT(z_at_pt); i++) z_at_pt[i] -= z_at_pt_base[i];
print_G33_results(z_at_pt, true, true);
delta_endstop_adj[axis] += 1.0;
switch (axis) {
case A_AXIS :
h_fac += 4.0 / (Z03(0) +Z01(1) +Z32(11) +Z32(3)); // Offset by X-tower end-stop
break;
case B_AXIS :
h_fac += 4.0 / (Z03(0) +Z01(5) +Z32(7) +Z32(3)); // Offset by Y-tower end-stop
break;
case C_AXIS :
h_fac += 4.0 / (Z03(0) +Z01(9) +Z32(7) +Z32(11) ); // Offset by Z-tower end-stop
break;
}
}
h_fac /= 3.0;
h_fac *= norm; // Normalize to 1.02 for Kossel mini
for (int8_t zig_zag = -1; zig_zag < 2; zig_zag += 2) {
delta_radius += 1.0 * zig_zag;
recalc_delta_settings(delta_radius, delta_diagonal_rod, delta_tower_angle_trim);
endstops.enable(true);
if (!home_delta()) return;
endstops.not_homing();
SERIAL_PROTOCOLPGM("Tuning R");
SERIAL_PROTOCOL(zig_zag == -1 ? "-" : "+");
SERIAL_EOL();
probe_G33_points(z_at_pt, 3, true, false);
for (int8_t i = 0; i < COUNT(z_at_pt); i++) z_at_pt[i] -= z_at_pt_base[i];
print_G33_results(z_at_pt, true, true);
delta_radius -= 1.0 * zig_zag;
recalc_delta_settings(delta_radius, delta_diagonal_rod, delta_tower_angle_trim);
r_fac -= zig_zag * 6.0 / (Z03(1) + Z03(5) + Z03(9) + Z03(7) + Z03(11) + Z03(3)); // Offset by delta radius
}
r_fac /= 2.0;
r_fac *= 3 * norm; // Normalize to 2.25 for Kossel mini
LOOP_XYZ(axis) {
delta_tower_angle_trim[axis] += 1.0;
delta_endstop_adj[(axis + 1) % 3] -= 1.0 / 4.5;
delta_endstop_adj[(axis + 2) % 3] += 1.0 / 4.5;
z_temp = MAX3(delta_endstop_adj[A_AXIS], delta_endstop_adj[B_AXIS], delta_endstop_adj[C_AXIS]);
home_offset[Z_AXIS] -= z_temp;
LOOP_XYZ(axis) delta_endstop_adj[axis] -= z_temp;
recalc_delta_settings(delta_radius, delta_diagonal_rod, delta_tower_angle_trim);
endstops.enable(true);
if (!home_delta()) return;
endstops.not_homing();
SERIAL_PROTOCOLPGM("Tuning T");
SERIAL_CHAR(tolower(axis_codes[axis]));
SERIAL_EOL();
probe_G33_points(z_at_pt, 3, true, false);
for (int8_t i = 0; i < COUNT(z_at_pt); i++) z_at_pt[i] -= z_at_pt_base[i];
print_G33_results(z_at_pt, true, true);
delta_tower_angle_trim[axis] -= 1.0;
delta_endstop_adj[(axis+1) % 3] += 1.0/4.5;
delta_endstop_adj[(axis+2) % 3] -= 1.0/4.5;
z_temp = MAX3(delta_endstop_adj[A_AXIS], delta_endstop_adj[B_AXIS], delta_endstop_adj[C_AXIS]);
home_offset[Z_AXIS] -= z_temp;
LOOP_XYZ(axis) delta_endstop_adj[axis] -= z_temp;
recalc_delta_settings(delta_radius, delta_diagonal_rod, delta_tower_angle_trim);
switch (axis) {
case A_AXIS :
a_fac += 4.0 / ( Z06(5) -Z06(9) +Z06(11) -Z06(3)); // Offset by alpha tower angle
break;
case B_AXIS :
a_fac += 4.0 / (-Z06(1) +Z06(9) -Z06(7) +Z06(3)); // Offset by beta tower angle
break;
case C_AXIS :
a_fac += 4.0 / (Z06(1) -Z06(5) +Z06(7) -Z06(11) ); // Offset by gamma tower angle
break;
}
}
a_fac /= 3.0;
a_fac *= norm; // Normalize to 0.83 for Kossel mini
endstops.enable(true);
if (!home_delta()) return;
endstops.not_homing();
print_signed_float(PSTR( "H_FACTOR: "), h_fac);
print_signed_float(PSTR(" R_FACTOR: "), r_fac);
print_signed_float(PSTR(" A_FACTOR: "), a_fac);
SERIAL_EOL();
SERIAL_PROTOCOLPGM("Copy these values to Configuration.h");
SERIAL_EOL();
}
#endif // !PROBE_MANUALLY
/**
* G33 - Delta '1-4-7-point' Auto-Calibration
* Calibrate height, endstops, delta radius, and tower angles.
@ -114,21 +329,21 @@ static void G33_cleanup(
* Parameters:
*
* Pn Number of probe points:
*
* P0 No probe. Normalize only.
* P1 Probe center and set height only.
* P2 Probe center and towers. Set height, endstops, and delta radius.
* P2 Probe center and towers. Set height, endstops and delta radius.
* P3 Probe all positions: center, towers and opposite towers. Set all.
* P4-P7 Probe all positions at different locations and average them.
*
* T0 Don't calibrate tower angle corrections
* T Don't calibrate tower angle corrections
*
* Cn.nn Calibration precision; when omitted calibrates to maximum precision
* Cn.nn Calibration precision; when omitted calibrates to maximum precision
*
* Fn Force to run at least n iterations and takes the best result
*
* Vn Verbose level:
* A Auto tune calibartion factors (set in Configuration.h)
*
* Vn Verbose level:
* V0 Dry-run mode. Report settings and probe results. No calibration.
* V1 Report settings
* V2 Report settings and probe results
@ -162,26 +377,24 @@ void GcodeSuite::G33() {
}
const bool towers_set = !parser.boolval('T'),
auto_tune = parser.boolval('A'),
stow_after_each = parser.boolval('E'),
_0p_calibration = probe_points == 0,
_1p_calibration = probe_points == 1,
_4p_calibration = probe_points == 2,
_4p_towers_points = _4p_calibration && towers_set,
_4p_opposite_points = _4p_calibration && !towers_set,
_7p_calibration = probe_points >= 3 || _0p_calibration,
_7p_half_circle = probe_points == 3,
_tower_results = (_4p_calibration && towers_set)
|| probe_points >= 3 || probe_points == 0,
_opposite_results = (_4p_calibration && !towers_set)
|| probe_points >= 3 || probe_points == 0,
_endstop_results = probe_points != 1,
_angle_results = (probe_points >= 3 || probe_points == 0) && towers_set,
_7p_double_circle = probe_points == 5,
_7p_triple_circle = probe_points == 6,
_7p_quadruple_circle = probe_points == 7,
_7p_multi_circle = _7p_double_circle || _7p_triple_circle || _7p_quadruple_circle,
_7p_intermed_points = _7p_calibration && !_7p_half_circle;
_7p_quadruple_circle = probe_points == 7;
const static char save_message[] PROGMEM = "Save with M500 and/or copy to Configuration.h";
const float dx = (X_PROBE_OFFSET_FROM_EXTRUDER),
dy = (Y_PROBE_OFFSET_FROM_EXTRUDER);
int8_t iterations = 0;
float test_precision,
zero_std_dev = (verbose_level ? 999.0 : 0.0), // 0.0 in dry-run mode : forced end
zero_std_dev_old = zero_std_dev,
zero_std_dev_min = zero_std_dev,
e_old[ABC] = {
delta_endstop_adj[A_AXIS],
@ -196,12 +409,14 @@ void GcodeSuite::G33() {
delta_tower_angle_trim[C_AXIS]
};
SERIAL_PROTOCOLLNPGM("G33 Auto Calibrate");
if (!_1p_calibration && !_0p_calibration) { // test if the outer radius is reachable
const float circles = (_7p_quadruple_circle ? 1.5 :
_7p_triple_circle ? 1.0 :
_7p_double_circle ? 0.5 : 0),
r = (1 + circles * 0.1) * delta_calibration_radius;
for (uint8_t axis = 1; axis < 13; ++axis) {
for (uint8_t axis = 1; axis <= 12; ++axis) {
const float a = RADIANS(180 + 30 * axis);
if (!position_is_reachable_xy(cos(a) * r, sin(a) * r)) {
SERIAL_PROTOCOLLNPGM("?(M665 B)ed radius is implausible.");
@ -209,7 +424,6 @@ void GcodeSuite::G33() {
}
}
}
SERIAL_PROTOCOLLNPGM("G33 Auto Calibrate");
stepper.synchronize();
#if HAS_LEVELING
@ -232,7 +446,17 @@ void GcodeSuite::G33() {
endstops.not_homing();
}
// print settings
if (auto_tune) {
#if ENABLED(PROBE_MANUALLY)
SERIAL_PROTOCOLLNPGM("A probe is needed for auto-tune");
#else
G33_auto_tune();
#endif
G33_CLEANUP();
return;
}
// Report settings
const char *checkingac = PSTR("Checking... AC"); // TODO: Make translatable string
serialprintPGM(checkingac);
@ -240,78 +464,19 @@ void GcodeSuite::G33() {
SERIAL_EOL();
lcd_setstatusPGM(checkingac);
print_G33_settings(!_1p_calibration, _7p_calibration && towers_set);
print_G33_settings(_endstop_results, _angle_results);
do {
float z_at_pt[13] = { 0.0 };
test_precision = zero_std_dev_old != 999.0 ? (zero_std_dev + zero_std_dev_old) / 2 : zero_std_dev;
test_precision = zero_std_dev;
iterations++;
// Probe the points
if (!_0p_calibration){
if (!_7p_half_circle && !_7p_triple_circle) { // probe the center
#if ENABLED(PROBE_MANUALLY)
z_at_pt[0] += lcd_probe_pt(0, 0);
#else
z_at_pt[0] += probe_pt(dx, dy, stow_after_each, 1, false);
if (isnan(z_at_pt[0])) return G33_CLEANUP();
#endif
}
if (_7p_calibration) { // probe extra center points
for (int8_t axis = _7p_multi_circle ? 11 : 9; axis > 0; axis -= _7p_multi_circle ? 2 : 4) {
const float a = RADIANS(180 + 30 * axis), r = delta_calibration_radius * 0.1;
#if ENABLED(PROBE_MANUALLY)
z_at_pt[0] += lcd_probe_pt(cos(a) * r, sin(a) * r);
#else
z_at_pt[0] += probe_pt(cos(a) * r + dx, sin(a) * r + dy, stow_after_each, 1);
if (isnan(z_at_pt[0])) return G33_CLEANUP();
#endif
}
z_at_pt[0] /= float(_7p_double_circle ? 7 : probe_points);
}
if (!_1p_calibration) { // probe the radius
bool zig_zag = true;
const uint8_t start = _4p_opposite_points ? 3 : 1,
step = _4p_calibration ? 4 : _7p_half_circle ? 2 : 1;
for (uint8_t axis = start; axis < 13; axis += step) {
const float zigadd = (zig_zag ? 0.5 : 0.0),
offset_circles = _7p_quadruple_circle ? zigadd + 1.0 :
_7p_triple_circle ? zigadd + 0.5 :
_7p_double_circle ? zigadd : 0;
for (float circles = -offset_circles ; circles <= offset_circles; circles++) {
const float a = RADIANS(180 + 30 * axis),
r = delta_calibration_radius * (1 + circles * (zig_zag ? 0.1 : -0.1));
#if ENABLED(PROBE_MANUALLY)
z_at_pt[axis] += lcd_probe_pt(cos(a) * r, sin(a) * r);
#else
z_at_pt[axis] += probe_pt(cos(a) * r + dx, sin(a) * r + dy, stow_after_each, 1);
if (isnan(z_at_pt[axis])) return G33_CLEANUP();
#endif
}
zig_zag = !zig_zag;
z_at_pt[axis] /= (2 * offset_circles + 1);
}
}
if (_7p_intermed_points) // average intermediates to tower and opposites
for (uint8_t axis = 1; axis < 13; axis += 2)
z_at_pt[axis] = (z_at_pt[axis] + (z_at_pt[axis + 1] + z_at_pt[(axis + 10) % 12 + 1]) / 2.0) / 2.0;
}
float S1 = z_at_pt[0],
S2 = sq(z_at_pt[0]);
int16_t N = 1;
if (!_1p_calibration) // std dev from zero plane
for (uint8_t axis = (_4p_opposite_points ? 3 : 1); axis < 13; axis += (_4p_calibration ? 4 : 2)) {
S1 += z_at_pt[axis];
S2 += sq(z_at_pt[axis]);
N++;
}
zero_std_dev_old = zero_std_dev;
zero_std_dev = round(SQRT(S2 / N) * 1000.0) / 1000.0 + 0.00001;
zero_std_dev = probe_G33_points(z_at_pt, probe_points, towers_set, stow_after_each);
// Solve matrices
@ -325,9 +490,24 @@ void GcodeSuite::G33() {
float e_delta[ABC] = { 0.0 }, r_delta = 0.0, t_delta[ABC] = { 0.0 };
const float r_diff = delta_radius - delta_calibration_radius,
h_factor = (1.00 + r_diff * 0.001) / 6.0, // 1.02 for r_diff = 20mm
r_factor = (-(1.75 + 0.005 * r_diff + 0.001 * sq(r_diff))) / 6.0, // 2.25 for r_diff = 20mm
a_factor = (66.66 / delta_calibration_radius) / (iterations == 1 ? 16.0 : 2.0); // 0.83 for cal_rd = 80mm
h_factor = 1 / 6.0 *
#ifdef H_FACTOR
(H_FACTOR), // Set in Configuration.h
#else
(1.00 + r_diff * 0.001), // 1.02 for r_diff = 20mm
#endif
r_factor = 1 / 6.0 *
#ifdef R_FACTOR
-(R_FACTOR), // Set in Configuration.h
#else
-(1.75 + 0.005 * r_diff + 0.001 * sq(r_diff)), // 2.25 for r_diff = 20mm
#endif
a_factor = 1 / 6.0 *
#ifdef A_FACTOR
(A_FACTOR); // Set in Configuration.h
#else
(66.66 / delta_calibration_radius); // 0.83 for cal_rd = 80mm
#endif
#define ZP(N,I) ((N) * z_at_pt[I])
#define Z6(I) ZP(6, I)
@ -341,15 +521,11 @@ void GcodeSuite::G33() {
switch (probe_points) {
case 0:
#if DISABLED(PROBE_MANUALLY)
test_precision = 0.00; // forced end
#endif
test_precision = 0.00; // forced end
break;
case 1:
#if DISABLED(PROBE_MANUALLY)
test_precision = 0.00; // forced end
#endif
test_precision = 0.00; // forced end
LOOP_XYZ(axis) e_delta[axis] = Z1(0);
break;
@ -375,9 +551,9 @@ void GcodeSuite::G33() {
r_delta = (Z6(0) - Z1(1) - Z1(5) - Z1(9) - Z1(7) - Z1(11) - Z1(3)) * r_factor;
if (towers_set) {
t_delta[A_AXIS] = ( - Z2(5) + Z2(9) - Z2(11) + Z2(3)) * a_factor;
t_delta[B_AXIS] = ( Z2(1) - Z2(9) + Z2(7) - Z2(3)) * a_factor;
t_delta[C_AXIS] = (-Z2(1) + Z2(5) - Z2(7) + Z2(11) ) * a_factor;
t_delta[A_AXIS] = ( - Z4(5) + Z4(9) - Z4(11) + Z4(3)) * a_factor;
t_delta[B_AXIS] = ( Z4(1) - Z4(9) + Z4(7) - Z4(3)) * a_factor;
t_delta[C_AXIS] = (-Z4(1) + Z4(5) - Z4(7) + Z4(11) ) * a_factor;
e_delta[A_AXIS] += (t_delta[B_AXIS] - t_delta[C_AXIS]) / 4.5;
e_delta[B_AXIS] += (t_delta[C_AXIS] - t_delta[A_AXIS]) / 4.5;
e_delta[C_AXIS] += (t_delta[A_AXIS] - t_delta[B_AXIS]) / 4.5;
@ -395,11 +571,14 @@ void GcodeSuite::G33() {
home_offset[Z_AXIS] = zh_old;
COPY(delta_tower_angle_trim, ta_old);
}
if (verbose_level != 0) { // !dry run
// normalise angles to least squares
float a_sum = 0.0;
LOOP_XYZ(axis) a_sum += delta_tower_angle_trim[axis];
LOOP_XYZ(axis) delta_tower_angle_trim[axis] -= a_sum / 3.0;
if (_angle_results) {
float a_sum = 0.0;
LOOP_XYZ(axis) a_sum += delta_tower_angle_trim[axis];
LOOP_XYZ(axis) delta_tower_angle_trim[axis] -= a_sum / 3.0;
}
// adjust delta_height and endstops by the max amount
const float z_temp = MAX3(delta_endstop_adj[A_AXIS], delta_endstop_adj[B_AXIS], delta_endstop_adj[C_AXIS]);
@ -411,30 +590,13 @@ void GcodeSuite::G33() {
// print report
if (verbose_level != 1) {
SERIAL_PROTOCOLPGM(". ");
print_signed_float(PSTR("c"), z_at_pt[0]);
if (_4p_towers_points || _7p_calibration) {
print_signed_float(PSTR(" x"), z_at_pt[1]);
print_signed_float(PSTR(" y"), z_at_pt[5]);
print_signed_float(PSTR(" z"), z_at_pt[9]);
}
if (!_4p_opposite_points) SERIAL_EOL();
if ((_4p_opposite_points) || _7p_calibration) {
if (_7p_calibration) {
SERIAL_CHAR('.');
SERIAL_PROTOCOL_SP(13);
}
print_signed_float(PSTR(" yz"), z_at_pt[7]);
print_signed_float(PSTR("zx"), z_at_pt[11]);
print_signed_float(PSTR("xy"), z_at_pt[3]);
SERIAL_EOL();
}
}
if (verbose_level != 1)
print_G33_results(z_at_pt, _tower_results, _opposite_results);
if (verbose_level != 0) { // !dry run
if ((zero_std_dev >= test_precision && iterations > force_iterations) || zero_std_dev <= calibration_precision) { // end iterations
SERIAL_PROTOCOLPGM("Calibration OK");
SERIAL_PROTOCOL_SP(36);
SERIAL_PROTOCOL_SP(32);
#if DISABLED(PROBE_MANUALLY)
if (zero_std_dev >= test_precision && !_1p_calibration)
SERIAL_PROTOCOLPGM("rolling back.");
@ -452,7 +614,7 @@ void GcodeSuite::G33() {
else
sprintf_P(&mess[15], PSTR("%03i.x"), (int)round(zero_std_dev_min));
lcd_setstatus(mess);
print_G33_settings(!_1p_calibration, _7p_calibration && towers_set);
print_G33_settings(_endstop_results, _angle_results);
serialprintPGM(save_message);
SERIAL_EOL();
}
@ -463,18 +625,18 @@ void GcodeSuite::G33() {
else
sprintf_P(mess, PSTR("No convergence"));
SERIAL_PROTOCOL(mess);
SERIAL_PROTOCOL_SP(36);
SERIAL_PROTOCOL_SP(32);
SERIAL_PROTOCOLPGM("std dev:");
SERIAL_PROTOCOL_F(zero_std_dev, 3);
SERIAL_EOL();
lcd_setstatus(mess);
print_G33_settings(!_1p_calibration, _7p_calibration && towers_set);
print_G33_settings(_endstop_results, _angle_results);
}
}
else { // dry run
const char *enddryrun = PSTR("End DRY-RUN");
serialprintPGM(enddryrun);
SERIAL_PROTOCOL_SP(39);
SERIAL_PROTOCOL_SP(35);
SERIAL_PROTOCOLPGM("std dev:");
SERIAL_PROTOCOL_F(zero_std_dev, 3);
SERIAL_EOL();
@ -490,7 +652,8 @@ void GcodeSuite::G33() {
}
endstops.enable(true);
home_delta();
if (!home_delta())
return;
endstops.not_homing();
}

Write Preview
Loading…
Cancel
Save