2017-04-26 12:24:31 +00:00
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#ifndef slic3r_GCodeTimeEstimator_hpp_
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#define slic3r_GCodeTimeEstimator_hpp_
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#include "libslic3r.h"
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2018-01-06 17:49:28 +00:00
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#include "PrintConfig.hpp"
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2017-04-26 12:24:31 +00:00
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#include "GCodeReader.hpp"
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2018-01-30 12:18:21 +00:00
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#define ENABLE_MOVE_STATS 0
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2017-04-26 12:24:31 +00:00
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namespace Slic3r {
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2018-01-08 11:27:18 +00:00
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//
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// Some of the algorithms used by class GCodeTimeEstimator were inpired by
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// Cura Engine's class TimeEstimateCalculator
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// https://github.com/Ultimaker/CuraEngine/blob/master/src/timeEstimate.h
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//
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2018-01-05 08:46:09 +00:00
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class GCodeTimeEstimator
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{
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public:
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enum EUnits : unsigned char
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{
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Millimeters,
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Inches
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};
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enum EAxis : unsigned char
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{
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X,
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Y,
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Z,
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E,
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Num_Axis
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};
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enum EPositioningType : unsigned char
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{
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Absolute,
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Relative
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};
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private:
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struct Axis
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{
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float position; // mm
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float max_feedrate; // mm/s
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float max_acceleration; // mm/s^2
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float max_jerk; // mm/s
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};
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struct Feedrates
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{
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float feedrate; // mm/s
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float axis_feedrate[Num_Axis]; // mm/s
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float abs_axis_feedrate[Num_Axis]; // mm/s
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float safe_feedrate; // mm/s
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void reset();
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};
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struct State
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{
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GCodeFlavor dialect;
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EUnits units;
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EPositioningType global_positioning_type;
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EPositioningType e_local_positioning_type;
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Axis axis[Num_Axis];
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float feedrate; // mm/s
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float acceleration; // mm/s^2
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float retract_acceleration; // mm/s^2
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float additional_time; // s
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float minimum_feedrate; // mm/s
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float minimum_travel_feedrate; // mm/s
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float extrude_factor_override_percentage;
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};
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public:
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struct Block
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{
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#if ENABLE_MOVE_STATS
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enum EMoveType : unsigned char
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{
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Noop,
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Retract,
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Unretract,
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Tool_change,
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Move,
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Extrude,
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Num_Types
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};
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#endif // ENABLE_MOVE_STATS
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2018-01-05 08:46:09 +00:00
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struct FeedrateProfile
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{
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float entry; // mm/s
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float cruise; // mm/s
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float exit; // mm/s
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};
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struct Trapezoid
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{
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float distance; // mm
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float accelerate_until; // mm
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float decelerate_after; // mm
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FeedrateProfile feedrate;
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float acceleration_time(float acceleration) const;
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float cruise_time() const;
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float deceleration_time(float acceleration) const;
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float cruise_distance() const;
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// This function gives the time needed to accelerate from an initial speed to reach a final distance.
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static float acceleration_time_from_distance(float initial_feedrate, float distance, float acceleration);
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// This function gives the final speed while accelerating at the given constant acceleration from the given initial speed along the given distance.
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static float speed_from_distance(float initial_feedrate, float distance, float acceleration);
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};
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struct Flags
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{
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bool recalculate;
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bool nominal_length;
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};
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2018-01-30 12:18:21 +00:00
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#if ENABLE_MOVE_STATS
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EMoveType move_type;
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#endif // ENABLE_MOVE_STATS
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Flags flags;
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float delta_pos[Num_Axis]; // mm
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float acceleration; // mm/s^2
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float max_entry_speed; // mm/s
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float safe_feedrate; // mm/s
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FeedrateProfile feedrate;
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Trapezoid trapezoid;
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// Returns the length of the move covered by this block, in mm
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float move_length() const;
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// Returns true if this block is a retract/unretract move only
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float is_extruder_only_move() const;
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// Returns true if this block is a move with no extrusion
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float is_travel_move() const;
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// Returns the time spent accelerating toward cruise speed, in seconds
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float acceleration_time() const;
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// Returns the time spent at cruise speed, in seconds
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float cruise_time() const;
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// Returns the time spent decelerating from cruise speed, in seconds
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float deceleration_time() const;
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// Returns the distance covered at cruise speed, in mm
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float cruise_distance() const;
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// Calculates this block's trapezoid
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void calculate_trapezoid();
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// Calculates the maximum allowable speed at this point when you must be able to reach target_velocity using the
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// acceleration within the allotted distance.
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static float max_allowable_speed(float acceleration, float target_velocity, float distance);
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// Calculates the distance (not time) it takes to accelerate from initial_rate to target_rate using the given acceleration:
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static float estimate_acceleration_distance(float initial_rate, float target_rate, float acceleration);
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// This function gives you the point at which you must start braking (at the rate of -acceleration) if
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// you started at speed initial_rate and accelerated until this point and want to end at the final_rate after
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// a total travel of distance. This can be used to compute the intersection point between acceleration and
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// deceleration in the cases where the trapezoid has no plateau (i.e. never reaches maximum speed)
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static float intersection_distance(float initial_rate, float final_rate, float acceleration, float distance);
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};
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typedef std::vector<Block> BlocksList;
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2018-01-30 12:18:21 +00:00
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#if ENABLE_MOVE_STATS
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struct MoveStats
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{
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unsigned int count;
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float time;
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MoveStats();
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};
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typedef std::map<Block::EMoveType, MoveStats> MovesStatsMap;
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#endif // ENABLE_MOVE_STATS
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2018-01-05 08:46:09 +00:00
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private:
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GCodeReader _parser;
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State _state;
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Feedrates _curr;
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Feedrates _prev;
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BlocksList _blocks;
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float _time; // s
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2018-01-30 12:18:21 +00:00
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#if ENABLE_MOVE_STATS
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MovesStatsMap _moves_stats;
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#endif // ENABLE_MOVE_STATS
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public:
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GCodeTimeEstimator();
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// Calculates the time estimate from the given gcode in string format
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void calculate_time_from_text(const std::string& gcode);
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// Calculates the time estimate from the gcode contained in the file with the given filename
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void calculate_time_from_file(const std::string& file);
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// Calculates the time estimate from the gcode contained in given list of gcode lines
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void calculate_time_from_lines(const std::vector<std::string>& gcode_lines);
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// Adds the given gcode line
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void add_gcode_line(const std::string& gcode_line);
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void add_gcode_block(const char *ptr);
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void add_gcode_block(const std::string &str) { this->add_gcode_block(str.c_str()); }
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// Calculates the time estimate from the gcode lines added using add_gcode_line()
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void calculate_time();
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2018-01-05 08:46:09 +00:00
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// Set current position on the given axis with the given value
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void set_axis_position(EAxis axis, float position);
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void set_axis_max_feedrate(EAxis axis, float feedrate_mm_sec);
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void set_axis_max_acceleration(EAxis axis, float acceleration);
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void set_axis_max_jerk(EAxis axis, float jerk);
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// Returns current position on the given axis
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float get_axis_position(EAxis axis) const;
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2018-01-05 08:46:09 +00:00
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float get_axis_max_feedrate(EAxis axis) const;
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float get_axis_max_acceleration(EAxis axis) const;
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float get_axis_max_jerk(EAxis axis) const;
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2017-12-12 12:44:52 +00:00
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2018-01-05 08:46:09 +00:00
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void set_feedrate(float feedrate_mm_sec);
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float get_feedrate() const;
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2018-01-05 08:46:09 +00:00
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void set_acceleration(float acceleration_mm_sec2);
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float get_acceleration() const;
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2018-01-05 08:46:09 +00:00
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void set_retract_acceleration(float acceleration_mm_sec2);
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float get_retract_acceleration() const;
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2018-01-05 08:46:09 +00:00
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void set_minimum_feedrate(float feedrate_mm_sec);
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float get_minimum_feedrate() const;
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2017-12-08 09:50:36 +00:00
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2018-01-05 08:46:09 +00:00
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void set_minimum_travel_feedrate(float feedrate_mm_sec);
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float get_minimum_travel_feedrate() const;
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2018-01-05 09:35:04 +00:00
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void set_extrude_factor_override_percentage(float percentage);
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float get_extrude_factor_override_percentage() const;
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2018-01-06 17:49:28 +00:00
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void set_dialect(GCodeFlavor dialect);
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GCodeFlavor get_dialect() const;
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2018-01-05 08:46:09 +00:00
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void set_units(EUnits units);
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EUnits get_units() const;
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2018-03-29 12:46:11 +00:00
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void set_global_positioning_type(EPositioningType type);
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EPositioningType get_global_positioning_type() const;
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2018-03-29 12:46:11 +00:00
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void set_e_local_positioning_type(EPositioningType type);
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EPositioningType get_e_local_positioning_type() const;
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2018-01-05 08:46:09 +00:00
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void add_additional_time(float timeSec);
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void set_additional_time(float timeSec);
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float get_additional_time() const;
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2018-01-05 08:46:09 +00:00
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void set_default();
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2018-01-05 08:46:09 +00:00
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// Call this method before to start adding lines using add_gcode_line() when reusing an instance of GCodeTimeEstimator
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void reset();
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2017-12-14 08:18:28 +00:00
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2018-01-05 08:46:09 +00:00
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// Returns the estimated time, in seconds
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float get_time() const;
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2017-12-11 08:06:29 +00:00
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2018-01-05 08:46:09 +00:00
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// Returns the estimated time, in format HHh MMm SSs
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std::string get_time_hms() const;
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2018-01-03 16:29:49 +00:00
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2018-01-05 08:46:09 +00:00
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private:
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void _reset();
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2018-01-08 12:23:54 +00:00
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void _reset_blocks();
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2017-12-11 08:06:29 +00:00
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2018-01-05 08:46:09 +00:00
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// Calculates the time estimate
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void _calculate_time();
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2017-12-11 13:03:29 +00:00
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2018-01-05 08:46:09 +00:00
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// Processes the given gcode line
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void _process_gcode_line(GCodeReader&, const GCodeReader::GCodeLine& line);
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// Move
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void _processG1(const GCodeReader::GCodeLine& line);
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// Dwell
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void _processG4(const GCodeReader::GCodeLine& line);
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// Set Units to Inches
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void _processG20(const GCodeReader::GCodeLine& line);
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2018-01-05 08:46:09 +00:00
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// Set Units to Millimeters
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void _processG21(const GCodeReader::GCodeLine& line);
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// Move to Origin (Home)
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void _processG28(const GCodeReader::GCodeLine& line);
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2017-12-12 12:44:52 +00:00
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// Set to Absolute Positioning
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void _processG90(const GCodeReader::GCodeLine& line);
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// Set to Relative Positioning
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void _processG91(const GCodeReader::GCodeLine& line);
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// Set Position
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void _processG92(const GCodeReader::GCodeLine& line);
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2017-12-06 13:12:10 +00:00
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2018-01-05 08:46:09 +00:00
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// Sleep or Conditional stop
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void _processM1(const GCodeReader::GCodeLine& line);
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2017-12-06 13:12:10 +00:00
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2018-01-05 08:46:09 +00:00
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// Set extruder to absolute mode
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void _processM82(const GCodeReader::GCodeLine& line);
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2017-12-11 13:03:29 +00:00
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2018-01-05 08:46:09 +00:00
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// Set extruder to relative mode
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void _processM83(const GCodeReader::GCodeLine& line);
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2017-12-06 13:12:10 +00:00
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2018-01-05 08:46:09 +00:00
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// Set Extruder Temperature and Wait
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void _processM109(const GCodeReader::GCodeLine& line);
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2017-12-06 13:12:10 +00:00
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2018-01-05 08:46:09 +00:00
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// Set max printing acceleration
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void _processM201(const GCodeReader::GCodeLine& line);
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2017-12-06 13:12:10 +00:00
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2018-01-05 08:46:09 +00:00
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// Set maximum feedrate
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void _processM203(const GCodeReader::GCodeLine& line);
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2017-12-11 08:06:29 +00:00
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2018-01-05 08:46:09 +00:00
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// Set default acceleration
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void _processM204(const GCodeReader::GCodeLine& line);
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2017-12-06 13:12:10 +00:00
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2018-01-05 08:46:09 +00:00
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// Advanced settings
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void _processM205(const GCodeReader::GCodeLine& line);
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2017-12-06 13:12:10 +00:00
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2018-01-05 09:35:04 +00:00
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// Set extrude factor override percentage
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void _processM221(const GCodeReader::GCodeLine& line);
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2018-01-05 08:46:09 +00:00
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// Set allowable instantaneous speed change
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void _processM566(const GCodeReader::GCodeLine& line);
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2017-12-06 13:12:10 +00:00
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2018-01-05 08:46:09 +00:00
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// Simulates firmware st_synchronize() call
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void _simulate_st_synchronize();
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2017-12-08 09:50:36 +00:00
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2018-01-05 08:46:09 +00:00
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void _forward_pass();
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void _reverse_pass();
|
2017-12-06 13:12:10 +00:00
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2018-01-05 08:46:09 +00:00
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void _planner_forward_pass_kernel(Block& prev, Block& curr);
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void _planner_reverse_pass_kernel(Block& curr, Block& next);
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2017-12-06 13:12:10 +00:00
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2018-01-05 08:46:09 +00:00
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void _recalculate_trapezoids();
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2018-01-30 12:18:21 +00:00
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#if ENABLE_MOVE_STATS
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void _log_moves_stats() const;
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#endif // ENABLE_MOVE_STATS
|
2018-01-05 08:46:09 +00:00
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};
|
2017-04-26 12:24:31 +00:00
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} /* namespace Slic3r */
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#endif /* slic3r_GCodeTimeEstimator_hpp_ */
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