274 lines
9.7 KiB
C++
274 lines
9.7 KiB
C++
//! @file
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//! @date Jun 10, 2019
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//! @author Marek Bel
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//! @brief First layer (Z offset) calibration
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#include "first_lay_cal.h"
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#include "Configuration_var.h"
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#include "language.h"
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#include "Marlin.h"
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#include "cmdqueue.h"
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#include "mmu2.h"
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#include <avr/pgmspace.h>
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#include <math.h>
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//! @brief Count extrude length
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//!
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//! @param layer_height layer height in mm
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//! @param extrusion_width extrusion width in mm
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//! @param extrusion_length extrusion length in mm
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//! @return filament length in mm which needs to be extruded to form line
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static constexpr float __attribute__((noinline)) count_e(float layer_height, float extrusion_width, float extrusion_length, float filament_diameter=1.75f)
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{
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return (extrusion_length * ((M_PI * pow(layer_height, 2)) / 4 + layer_height * (extrusion_width - layer_height))) / ((M_PI * pow(filament_diameter, 2)) / 4);
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}
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//! @brief Extrusion spacing
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//!
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//! @param layer_height layer height in mm
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//! @param extrusion_width extrusion width in mm
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//! @return filament length in mm which needs to be extruded to form line
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static constexpr float spacing(float layer_height, float extrusion_width, float overlap_factor=1.f)
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{
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return extrusion_width - layer_height * (overlap_factor - M_PI/4);
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}
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static const char extrude_fmt[] PROGMEM = "G1 X%d Y%d E%-.5f";
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static const char zero_extrusion[] PROGMEM = "G92 E0";
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//! @brief Wait for preheat
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void lay1cal_wait_preheat()
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{
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const char * const preheat_cmd[] =
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{
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MSG_M107,
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PSTR("M190"),
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PSTR("M109"),
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PSTR("G28"),
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zero_extrusion
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};
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for (uint8_t i = 0; i < (sizeof(preheat_cmd)/sizeof(preheat_cmd[0])); ++i)
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{
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enquecommand_P(preheat_cmd[i]);
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}
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}
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//! @brief Load filament
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//! @param cmd_buffer character buffer needed to format gcodes
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//! @param filament filament to use (applies for MMU only)
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//! @returns true if extra purge distance is needed in case of MMU prints (after a toolchange), otherwise false
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bool lay1cal_load_filament(char *cmd_buffer, uint8_t filament)
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{
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if (MMU2::mmu2.Enabled())
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{
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enquecommand_P(MSG_M83);
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enquecommand_P(PSTR("G1 Y-3 F1000"));
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enquecommand_P(PSTR("G1 Z0.4 F1000"));
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uint8_t currentTool = MMU2::mmu2.get_current_tool();
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if(currentTool == filament ){
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// already have the correct tool loaded - do nothing
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return false;
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} else if( currentTool != (uint8_t)MMU2::FILAMENT_UNKNOWN){
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// some other slot is loaded, perform an unload first
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enquecommand_P(MSG_M702_NO_LIFT);
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}
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// perform a toolchange
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// sprintf_P(cmd_buffer, PSTR("T%d"), filament);
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// rewriting the trivial T<filament> g-code command saves 30B:
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cmd_buffer[0] = 'T';
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cmd_buffer[1] = filament + '0';
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cmd_buffer[2] = 0;
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enquecommand(cmd_buffer);
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return true;
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}
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return false;
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}
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//! @brief Print intro line
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//! @param extraPurgeNeeded false if the first MMU-related "G1 E29" have to be skipped because the nozzle is already full of filament
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//! @param layer_height the height of the calibration layer
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//! @param extrusion_width the width of the extrusion layer
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void lay1cal_intro_line(bool extraPurgeNeeded, float layer_height, float extrusion_width)
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{
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static const char cmd_intro_mmu_3[] PROGMEM = "G1 X55 E29 F1073";
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static const char cmd_intro_mmu_4[] PROGMEM = "G1 X5 E29 F1800";
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static const char cmd_intro_mmu_5[] PROGMEM = "G1 X55 E8 F2000";
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static const char cmd_intro_mmu_6[] PROGMEM = "G1 Z0.3 F1000";
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static const char cmd_intro_mmu_8[] PROGMEM = "G1 X240 E25 F2200";
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static const char cmd_intro_mmu_9[] PROGMEM = "G1 Y-2 F1000";
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static const char cmd_intro_mmu_10[] PROGMEM = "G1 X55 E25 F1400";
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static const char cmd_intro_mmu_11[] PROGMEM = "G1 Z0.2 F1000";
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static const char cmd_intro_mmu_12[] PROGMEM = "G1 X5 E4 F1000";
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static const char * const intro_mmu_cmd[] PROGMEM =
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{
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// first 2 items are only relevant if filament was not loaded - i.e. extraPurgeNeeded == true
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cmd_intro_mmu_3,
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cmd_intro_mmu_4,
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cmd_intro_mmu_5,
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cmd_intro_mmu_6,
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zero_extrusion,
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cmd_intro_mmu_8,
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cmd_intro_mmu_9,
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cmd_intro_mmu_10,
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cmd_intro_mmu_11,
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cmd_intro_mmu_12,
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};
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if (MMU2::mmu2.Enabled())
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{
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for (uint8_t i = (extraPurgeNeeded ? 0 : 2); i < (sizeof(intro_mmu_cmd)/sizeof(intro_mmu_cmd[0])); ++i)
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{
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enquecommand_P(static_cast<char*>(pgm_read_ptr(&intro_mmu_cmd[i])));
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}
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}
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else
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{
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char cmd_buffer[30];
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static const char fmt1[] PROGMEM = "G1 X%d E%-.3f F1000";
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sprintf_P(cmd_buffer, fmt1, 60, count_e(layer_height, extrusion_width * 4.f, 60));
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enquecommand(cmd_buffer);
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sprintf_P(cmd_buffer, fmt1, 100, count_e(layer_height, extrusion_width * 8.f, 40));
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enquecommand(cmd_buffer);
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}
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}
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//! @brief Setup for printing meander
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void lay1cal_before_meander()
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{
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static const char cmd_pre_meander_1[] PROGMEM = "G21"; //set units to millimeters TODO unsupported command
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static const char cmd_pre_meander_2[] PROGMEM = "G90"; //use absolute coordinates
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static const char cmd_pre_meander_4[] PROGMEM = "G1 E-1.5 F2100";
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static const char cmd_pre_meander_5[] PROGMEM = "G1 Z5 F7200";
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static const char cmd_pre_meander_6[] PROGMEM = "M204 S1000"; //set acceleration
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static const char cmd_pre_meander_7[] PROGMEM = "G1 F4000";
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static const char * const cmd_pre_meander[] PROGMEM =
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{
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zero_extrusion,
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cmd_pre_meander_1,
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cmd_pre_meander_2,
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MSG_M83, // use relative distances for extrusion
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cmd_pre_meander_4,
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cmd_pre_meander_5,
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cmd_pre_meander_6,
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cmd_pre_meander_7,
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};
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for (uint8_t i = 0; i < (sizeof(cmd_pre_meander)/sizeof(cmd_pre_meander[0])); ++i)
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{
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enquecommand_P(static_cast<char*>(pgm_read_ptr(&cmd_pre_meander[i])));
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}
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}
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//! @brief Print meander start
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void lay1cal_meander_start(float layer_height, float extrusion_width)
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{
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char cmd_buffer[30];
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enquecommand_P(PSTR("G1 X50 Y155"));
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static const char fmt1[] PROGMEM = "G1 Z%-.3f F7200";
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sprintf_P(cmd_buffer, fmt1, layer_height);
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enquecommand(cmd_buffer);
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enquecommand_P(PSTR("G1 F1080"));
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sprintf_P(cmd_buffer, extrude_fmt, 75, 155, count_e(layer_height, extrusion_width * 4.f, 25));
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enquecommand(cmd_buffer);
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sprintf_P(cmd_buffer, extrude_fmt, 100, 155, count_e(layer_height, extrusion_width * 2.f, 25));
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enquecommand(cmd_buffer);
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sprintf_P(cmd_buffer, extrude_fmt, 200, 155, count_e(layer_height, extrusion_width, 100));
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enquecommand(cmd_buffer);
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sprintf_P(cmd_buffer, extrude_fmt, 200, 135, count_e(layer_height, extrusion_width, 20));
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enquecommand(cmd_buffer);
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}
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//! @brief Print meander
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//! @param cmd_buffer character buffer needed to format gcodes
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void lay1cal_meander(float layer_height, float extrusion_width)
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{
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char cmd_buffer[30];
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const float short_length = 20;
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float long_length = 150;
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const float long_extrusion = count_e(layer_height, extrusion_width, long_length);
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const float short_extrusion = count_e(layer_height, extrusion_width, short_length);
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uint8_t y_pos = 135;
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uint8_t x_pos = 50;
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for(uint8_t i = 0; i <= 4; ++i)
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{
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sprintf_P(cmd_buffer, extrude_fmt, x_pos, y_pos, long_extrusion);
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enquecommand(cmd_buffer);
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y_pos -= short_length;
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sprintf_P(cmd_buffer, extrude_fmt, x_pos, y_pos, short_extrusion);
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enquecommand(cmd_buffer);
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x_pos += long_length;
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long_length = -long_length;
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}
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}
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//! @brief Print square
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//!
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//! This function needs to be called 4 times with step of 0,4,8,12
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//!
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//! @param cmd_buffer character buffer needed to format gcodes
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//! @param i iteration
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void lay1cal_square(uint8_t step, float layer_height, float extrusion_width)
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{
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char cmd_buffer[30];
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const float long_length = 20;
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const float short_length = spacing(layer_height, extrusion_width);
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const float long_extrusion = count_e(layer_height, extrusion_width, long_length);
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const float short_extrusion = count_e(layer_height, extrusion_width, short_length);
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static const char fmt1[] PROGMEM = "G1 X%d Y%-.2f E%-.3f";
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for (uint8_t i = step; i < step+4; ++i)
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{
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sprintf_P(cmd_buffer, fmt1, 70, (35 - i*short_length * 2), long_extrusion);
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enquecommand(cmd_buffer);
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sprintf_P(cmd_buffer, fmt1, 70, (35 - (2 * i + 1)*short_length), short_extrusion);
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enquecommand(cmd_buffer);
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sprintf_P(cmd_buffer, fmt1, 50, (35 - (2 * i + 1)*short_length), long_extrusion);
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enquecommand(cmd_buffer);
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sprintf_P(cmd_buffer, fmt1, 50, (35 - (i + 1)*short_length * 2), short_extrusion);
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enquecommand(cmd_buffer);
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}
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}
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void lay1cal_finish(bool mmu_enabled)
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{
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static const char cmd_cal_finish_1[] PROGMEM = "G1 E-0.075 F2100"; //retract
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static const char cmd_cal_finish_2[] PROGMEM = "M104 S0"; // turn off temperature
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static const char cmd_cal_finish_3[] PROGMEM = "M140 S0"; // turn off heatbed
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static const char cmd_cal_finish_4[] PROGMEM = "G1 Z10 F1300"; //lift Z
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static const char cmd_cal_finish_5[] PROGMEM = "G1 X10 Y180 F4000"; //Go to parking position
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static const char * const cmd_cal_finish[] PROGMEM =
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{
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MSG_M107, // turn off printer fan
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cmd_cal_finish_1,
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cmd_cal_finish_2,
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cmd_cal_finish_3,
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cmd_cal_finish_4,
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cmd_cal_finish_5
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};
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for (uint8_t i = 0; i < (sizeof(cmd_cal_finish)/sizeof(cmd_cal_finish[0])); ++i)
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{
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enquecommand_P(static_cast<char*>(pgm_read_ptr(&cmd_cal_finish[i])));
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}
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if (mmu_enabled) enquecommand_P(MSG_M702_NO_LIFT); //unload from nozzle
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enquecommand_P(MSG_M84);// disable motors
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}
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