diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h index eaf000c3ae..c892cd9dea 100644 --- a/Marlin/Configuration.h +++ b/Marlin/Configuration.h @@ -374,6 +374,23 @@ const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic o //const bool FIL_RUNOUT_INVERTING = true; // Should be uncommented and true or false should assigned //#define ENDSTOPPULLUP_FIL_RUNOUT // Uncomment to use internal pullup for filament runout pins if the sensor is defined. +//=========================================================================== +//============================ Manual Bed Leveling ========================== +//=========================================================================== + +// #define MANUAL_BED_LEVELING // Add display menu option for bed leveling +// #define MESH_BED_LEVELING // Enable mesh bed leveling + +#if defined(MESH_BED_LEVELING) + #define MESH_MIN_X 10 + #define MESH_MAX_X (X_MAX_POS - MESH_MIN_X) + #define MESH_MIN_Y 10 + #define MESH_MAX_Y (Y_MAX_POS - MESH_MIN_Y) + #define MESH_NUM_X_POINTS 3 // Don't use more than 7 points per axis, implementation limited + #define MESH_NUM_Y_POINTS 3 + #define MESH_HOME_SEARCH_Z 4 // Z after Home, bed somewhere below but above 0.0 +#endif // MESH_BED_LEVELING + //=========================================================================== //============================= Bed Auto Leveling =========================== //=========================================================================== diff --git a/Marlin/ConfigurationStore.cpp b/Marlin/ConfigurationStore.cpp index 0dee05ba78..16d94760b6 100644 --- a/Marlin/ConfigurationStore.cpp +++ b/Marlin/ConfigurationStore.cpp @@ -20,6 +20,12 @@ * max_e_jerk * add_homing (x3) * + * Mesh bed leveling: + * active + * mesh_num_x + * mesh_num_y + * z_values[][] + * * DELTA: * endstop_adj (x3) * delta_radius @@ -69,6 +75,10 @@ #include "ultralcd.h" #include "ConfigurationStore.h" +#if defined(MESH_BED_LEVELING) + #include "mesh_bed_leveling.h" +#endif // MESH_BED_LEVELING + void _EEPROM_writeData(int &pos, uint8_t* value, uint8_t size) { uint8_t c; while(size--) { @@ -105,7 +115,7 @@ void _EEPROM_readData(int &pos, uint8_t* value, uint8_t size) { // wrong data being written to the variables. // ALSO: always make sure the variables in the Store and retrieve sections are in the same order. -#define EEPROM_VERSION "V16" +#define EEPROM_VERSION "V17" #ifdef EEPROM_SETTINGS @@ -128,6 +138,28 @@ void Config_StoreSettings() { EEPROM_WRITE_VAR(i, max_e_jerk); EEPROM_WRITE_VAR(i, add_homing); + uint8_t mesh_num_x = 3; + uint8_t mesh_num_y = 3; + #if defined(MESH_BED_LEVELING) + // Compile time test that sizeof(mbl.z_values) is as expected + typedef char c_assert[(sizeof(mbl.z_values) == MESH_NUM_X_POINTS*MESH_NUM_Y_POINTS*sizeof(dummy)) ? 1 : -1]; + mesh_num_x = MESH_NUM_X_POINTS; + mesh_num_y = MESH_NUM_Y_POINTS; + EEPROM_WRITE_VAR(i, mbl.active); + EEPROM_WRITE_VAR(i, mesh_num_x); + EEPROM_WRITE_VAR(i, mesh_num_y); + EEPROM_WRITE_VAR(i, mbl.z_values); + #else + uint8_t dummy_uint8 = 0; + EEPROM_WRITE_VAR(i, dummy_uint8); + EEPROM_WRITE_VAR(i, mesh_num_x); + EEPROM_WRITE_VAR(i, mesh_num_y); + dummy = 0.0f; + for (int q=0; q 0 +#if defined(MESH_BED_LEVELING) + #include "mesh_bed_leveling.h" +#endif // MESH_BED_LEVELING + #include "ultralcd.h" #include "planner.h" #include "stepper.h" @@ -1737,6 +1741,11 @@ inline void gcode_G28() { #endif #endif + #if defined(MESH_BED_LEVELING) + uint8_t mbl_was_active = mbl.active; + mbl.active = 0; + #endif // MESH_BED_LEVELING + saved_feedrate = feedrate; saved_feedmultiply = feedmultiply; feedmultiply = 100; @@ -1951,12 +1960,112 @@ inline void gcode_G28() { enable_endstops(false); #endif + #if defined(MESH_BED_LEVELING) + if (mbl_was_active) { + current_position[X_AXIS] = mbl.get_x(0); + current_position[Y_AXIS] = mbl.get_y(0); + destination[X_AXIS] = current_position[X_AXIS]; + destination[Y_AXIS] = current_position[Y_AXIS]; + 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); + st_synchronize(); + current_position[Z_AXIS] = MESH_HOME_SEARCH_Z; + plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]); + mbl.active = 1; + } + #endif + feedrate = saved_feedrate; feedmultiply = saved_feedmultiply; previous_millis_cmd = millis(); endstops_hit_on_purpose(); } +#if defined(MESH_BED_LEVELING) + + inline void gcode_G29() { + static int probe_point = -1; + int state = 0; + if (code_seen('S') || code_seen('s')) { + state = code_value_long(); + if (state < 0 || state > 2) { + SERIAL_PROTOCOLPGM("S out of range (0-2).\n"); + return; + } + } + + if (state == 0) { // Dump mesh_bed_leveling + if (mbl.active) { + SERIAL_PROTOCOLPGM("Num X,Y: "); + SERIAL_PROTOCOL(MESH_NUM_X_POINTS); + SERIAL_PROTOCOLPGM(","); + SERIAL_PROTOCOL(MESH_NUM_Y_POINTS); + SERIAL_PROTOCOLPGM("\nZ search height: "); + SERIAL_PROTOCOL(MESH_HOME_SEARCH_Z); + SERIAL_PROTOCOLPGM("\nMeasured points:\n"); + for (int y=0; y pix && (x_splits) & BIT(ix)) { + nx = mbl.get_x(ix); + normalized_dist = (nx - current_position[X_AXIS])/(x - current_position[X_AXIS]); + ny = current_position[Y_AXIS] + (y - current_position[Y_AXIS]) * normalized_dist; + ne = current_position[E_AXIS] + (e - current_position[E_AXIS]) * normalized_dist; + x_splits ^= BIT(ix); + } else if (ix < pix && (x_splits) & BIT(pix)) { + nx = mbl.get_x(pix); + normalized_dist = (nx - current_position[X_AXIS])/(x - current_position[X_AXIS]); + ny = current_position[Y_AXIS] + (y - current_position[Y_AXIS]) * normalized_dist; + ne = current_position[E_AXIS] + (e - current_position[E_AXIS]) * normalized_dist; + x_splits ^= BIT(pix); + } else if (iy > piy && (y_splits) & BIT(iy)) { + ny = mbl.get_y(iy); + normalized_dist = (ny - current_position[Y_AXIS])/(y - current_position[Y_AXIS]); + nx = current_position[X_AXIS] + (x - current_position[X_AXIS]) * normalized_dist; + ne = current_position[E_AXIS] + (e - current_position[E_AXIS]) * normalized_dist; + y_splits ^= BIT(iy); + } else if (iy < piy && (y_splits) & BIT(piy)) { + ny = mbl.get_y(piy); + normalized_dist = (ny - current_position[Y_AXIS])/(y - current_position[Y_AXIS]); + nx = current_position[X_AXIS] + (x - current_position[X_AXIS]) * normalized_dist; + ne = current_position[E_AXIS] + (e - current_position[E_AXIS]) * normalized_dist; + y_splits ^= BIT(piy); + } else { + // Already split on a border + plan_buffer_line(x, y, z, e, feed_rate, extruder); + for(int8_t i=0; i < NUM_AXIS; i++) { + current_position[i] = destination[i]; + } + return; + } + // Do the split and look for more borders + destination[X_AXIS] = nx; + destination[Y_AXIS] = ny; + destination[E_AXIS] = ne; + mesh_plan_buffer_line(nx, ny, z, ne, feed_rate, extruder, x_splits, y_splits); + destination[X_AXIS] = x; + destination[Y_AXIS] = y; + destination[E_AXIS] = e; + mesh_plan_buffer_line(x, y, z, e, feed_rate, extruder, x_splits, y_splits); +} +#endif // MESH_BED_LEVELING + void prepare_move() { clamp_to_software_endstops(destination); @@ -5395,10 +5585,14 @@ 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); - } - else { + plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder); + } 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); + return; +#else plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate*feedmultiply/60/100.0, active_extruder); +#endif // MESH_BED_LEVELING } #endif // !(DELTA || SCARA) diff --git a/Marlin/language_en.h b/Marlin/language_en.h index 636d622aba..0998d22ad7 100644 --- a/Marlin/language_en.h +++ b/Marlin/language_en.h @@ -95,6 +95,9 @@ #ifndef MSG_MOVE_AXIS #define MSG_MOVE_AXIS "Move axis" #endif +#ifndef MSG_LEVEL_BED +#define MSG_LEVEL_BED "Level bed" +#endif #ifndef MSG_MOVE_X #define MSG_MOVE_X "Move X" #endif diff --git a/Marlin/mesh_bed_leveling.cpp b/Marlin/mesh_bed_leveling.cpp new file mode 100644 index 0000000000..b383fe589a --- /dev/null +++ b/Marlin/mesh_bed_leveling.cpp @@ -0,0 +1,20 @@ +#include "mesh_bed_leveling.h" + +#if defined(MESH_BED_LEVELING) + +mesh_bed_leveling mbl; + +mesh_bed_leveling::mesh_bed_leveling() { + reset(); +} + +void mesh_bed_leveling::reset() { + for (int y=0; y get_x(i) && i < MESH_NUM_X_POINTS-1) { + i++; + } + return i-1; + } + + int select_y_index(float y) { + int i = 1; + while (y > get_y(i) && i < MESH_NUM_Y_POINTS-1) { + i++; + } + return i-1; + } + + float calc_z0(float a0, float a1, float z1, float a2, float z2) { + float delta_z = (z2 - z1)/(a2 - a1); + float delta_a = a0 - a1; + return z1 + delta_a * delta_z; + } + + float get_z(float x0, float y0) { + int x_index = select_x_index(x0); + int y_index = select_y_index(y0); + float z1 = calc_z0(x0, + get_x(x_index), z_values[y_index][x_index], + get_x(x_index+1), z_values[y_index][x_index+1]); + float z2 = calc_z0(x0, + get_x(x_index), z_values[y_index+1][x_index], + get_x(x_index+1), z_values[y_index+1][x_index+1]); + float z0 = calc_z0(y0, + get_y(y_index), z1, + get_y(y_index+1), z2); + return z0; + } +}; + +extern mesh_bed_leveling mbl; + +#endif // MESH_BED_LEVELING diff --git a/Marlin/planner.cpp b/Marlin/planner.cpp index 316c0de2f9..27ca0e850a 100644 --- a/Marlin/planner.cpp +++ b/Marlin/planner.cpp @@ -58,6 +58,10 @@ #include "ultralcd.h" #include "language.h" +#if defined(MESH_BED_LEVELING) + #include "mesh_bed_leveling.h" +#endif // MESH_BED_LEVELING + //=========================================================================== //============================= public variables ============================ //=========================================================================== @@ -530,7 +534,7 @@ float junction_deviation = 0.1; // Add a new linear movement to the buffer. steps_x, _y and _z is the absolute position in // mm. Microseconds specify how many microseconds the move should take to perform. To aid acceleration // calculation the caller must also provide the physical length of the line in millimeters. -#ifdef ENABLE_AUTO_BED_LEVELING +#if defined(ENABLE_AUTO_BED_LEVELING) || defined(MESH_BED_LEVELING) void plan_buffer_line(float x, float y, float z, const float &e, float feed_rate, const uint8_t &extruder) #else void plan_buffer_line(const float &x, const float &y, const float &z, const float &e, float feed_rate, const uint8_t &extruder) @@ -548,6 +552,12 @@ void plan_buffer_line(const float &x, const float &y, const float &z, const floa lcd_update(); } +#if defined(MESH_BED_LEVELING) + if (mbl.active) { + z += mbl.get_z(x, y); + } +#endif // MESH_BED_LEVELING + #ifdef ENABLE_AUTO_BED_LEVELING apply_rotation_xyz(plan_bed_level_matrix, x, y, z); #endif // ENABLE_AUTO_BED_LEVELING @@ -1078,14 +1088,19 @@ vector_3 plan_get_position() { } #endif // ENABLE_AUTO_BED_LEVELING -#ifdef ENABLE_AUTO_BED_LEVELING +#if defined(ENABLE_AUTO_BED_LEVELING) || defined(MESH_BED_LEVELING) void plan_set_position(float x, float y, float z, const float &e) -{ - apply_rotation_xyz(plan_bed_level_matrix, x, y, z); #else void plan_set_position(const float &x, const float &y, const float &z, const float &e) +#endif // ENABLE_AUTO_BED_LEVELING || MESH_BED_LEVELING { -#endif // ENABLE_AUTO_BED_LEVELING +#if defined(ENABLE_AUTO_BED_LEVELING) + apply_rotation_xyz(plan_bed_level_matrix, x, y, z); +#elif defined(MESH_BED_LEVELING) + if (mbl.active) { + z += mbl.get_z(x, y); + } +#endif // ENABLE_AUTO_BED_LEVELING position[X_AXIS] = lround(x*axis_steps_per_unit[X_AXIS]); position[Y_AXIS] = lround(y*axis_steps_per_unit[Y_AXIS]); diff --git a/Marlin/planner.h b/Marlin/planner.h index 6b68d14cb1..49ccbe9dd2 100644 --- a/Marlin/planner.h +++ b/Marlin/planner.h @@ -82,23 +82,24 @@ void plan_init(); // Add a new linear movement to the buffer. x, y and z is the signed, absolute target position in // millimaters. Feed rate specifies the speed of the motion. -#ifdef ENABLE_AUTO_BED_LEVELING +#if defined(ENABLE_AUTO_BED_LEVELING) || defined(MESH_BED_LEVELING) void plan_buffer_line(float x, float y, float z, const float &e, float feed_rate, const uint8_t &extruder); - +#if defined(ENABLE_AUTO_BED_LEVELING) #ifndef DELTA // Get the position applying the bed level matrix if enabled vector_3 plan_get_position(); #endif +#endif // ENABLE_AUTO_BED_LEVELING #else void plan_buffer_line(const float &x, const float &y, const float &z, const float &e, float feed_rate, const uint8_t &extruder); -#endif // ENABLE_AUTO_BED_LEVELING +#endif // ENABLE_AUTO_BED_LEVELING || MESH_BED_LEVELING // Set position. Used for G92 instructions. -#ifdef ENABLE_AUTO_BED_LEVELING +#if defined(ENABLE_AUTO_BED_LEVELING) || defined(MESH_BED_LEVELING) void plan_set_position(float x, float y, float z, const float &e); #else void plan_set_position(const float &x, const float &y, const float &z, const float &e); -#endif // ENABLE_AUTO_BED_LEVELING +#endif // ENABLE_AUTO_BED_LEVELING || MESH_BED_LEVELING void plan_set_e_position(const float &e); diff --git a/Marlin/ultralcd.cpp b/Marlin/ultralcd.cpp index 8a3c18b500..a0f5e739af 100644 --- a/Marlin/ultralcd.cpp +++ b/Marlin/ultralcd.cpp @@ -70,6 +70,13 @@ static void lcd_sdcard_menu(); static void lcd_delta_calibrate_menu(); #endif // DELTA_CALIBRATION_MENU +#if defined(MANUAL_BED_LEVELING) +#include "mesh_bed_leveling.h" +static void _lcd_level_bed(); +static void _lcd_level_bed_homing(); +static void lcd_level_bed(); +#endif // MANUAL_BED_LEVELING + static void lcd_quick_feedback();//Cause an LCD refresh, and give the user visual or audible feedback that something has happened /* Different types of actions that can be used in menu items. */ @@ -630,6 +637,10 @@ static void lcd_prepare_menu() { } #endif MENU_ITEM(submenu, MSG_MOVE_AXIS, lcd_move_menu); + + #if defined(MANUAL_BED_LEVELING) + MENU_ITEM(submenu, MSG_LEVEL_BED, lcd_level_bed); + #endif END_MENU(); } @@ -1341,7 +1352,12 @@ void lcd_update() { #endif #ifdef ULTIPANEL - if (currentMenu != lcd_status_screen && millis() > timeoutToStatus) { + if (currentMenu != lcd_status_screen && + #if defined(MANUAL_BED_LEVELING) + currentMenu != _lcd_level_bed && + currentMenu != _lcd_level_bed_homing && + #endif // MANUAL_BED_LEVELING + millis() > timeoutToStatus) { lcd_return_to_status(); lcdDrawUpdate = 2; } @@ -1760,4 +1776,75 @@ char *ftostr52(const float &x) return conv; } +#if defined(MANUAL_BED_LEVELING) +static int _lcd_level_bed_position; +static void _lcd_level_bed() +{ + if (encoderPosition != 0) { + refresh_cmd_timeout(); + current_position[Z_AXIS] += float((int)encoderPosition) * 0.05; + if (min_software_endstops && current_position[Z_AXIS] < Z_MIN_POS) current_position[Z_AXIS] = Z_MIN_POS; + if (max_software_endstops && current_position[Z_AXIS] > Z_MAX_POS) current_position[Z_AXIS] = Z_MAX_POS; + encoderPosition = 0; + plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], manual_feedrate[Z_AXIS]/60, active_extruder); + lcdDrawUpdate = 1; + } + if (lcdDrawUpdate) lcd_implementation_drawedit(PSTR("Z"), ftostr32(current_position[Z_AXIS])); + static bool debounce_click = false; + if (LCD_CLICKED) { + if (!debounce_click) { + debounce_click = true; + int ix = _lcd_level_bed_position % MESH_NUM_X_POINTS; + int iy = _lcd_level_bed_position / MESH_NUM_X_POINTS; + mbl.set_z(ix, iy, current_position[Z_AXIS]); + _lcd_level_bed_position++; + if (_lcd_level_bed_position == MESH_NUM_X_POINTS*MESH_NUM_Y_POINTS) { + current_position[Z_AXIS] = MESH_HOME_SEARCH_Z; + plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], manual_feedrate[X_AXIS]/60, active_extruder); + mbl.active = 1; + enquecommands_P(PSTR("G28")); + lcd_return_to_status(); + } else { + current_position[Z_AXIS] = MESH_HOME_SEARCH_Z; + plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], manual_feedrate[X_AXIS]/60, active_extruder); + ix = _lcd_level_bed_position % MESH_NUM_X_POINTS; + iy = _lcd_level_bed_position / MESH_NUM_X_POINTS; + if (iy&1) { // Zig zag + ix = (MESH_NUM_X_POINTS - 1) - ix; + } + current_position[X_AXIS] = mbl.get_x(ix); + current_position[Y_AXIS] = mbl.get_y(iy); + plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], manual_feedrate[X_AXIS]/60, active_extruder); + lcdDrawUpdate = 1; + } + } + } else { + debounce_click = false; + } +} +static void _lcd_level_bed_homing() +{ + if (axis_known_position[X_AXIS] && + axis_known_position[Y_AXIS] && + axis_known_position[Z_AXIS]) { + current_position[Z_AXIS] = MESH_HOME_SEARCH_Z; + plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]); + current_position[X_AXIS] = MESH_MIN_X; + current_position[Y_AXIS] = MESH_MIN_Y; + plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], manual_feedrate[X_AXIS]/60, active_extruder); + _lcd_level_bed_position = 0; + lcd_goto_menu(_lcd_level_bed); + } +} +static void lcd_level_bed() +{ + axis_known_position[X_AXIS] = false; + axis_known_position[Y_AXIS] = false; + axis_known_position[Z_AXIS] = false; + mbl.reset(); + enquecommands_P(PSTR("G28")); + lcd_goto_menu(_lcd_level_bed_homing); +} +#endif // MANUAL_BED_LEVELING + #endif //ULTRA_LCD