Implemented clamping of the acceleration when extruding for the Marlin

firmware, both for the G-code export and the time estimator.
This commit is contained in:
bubnikv 2018-07-18 11:58:02 +02:00
parent 3bebe9f954
commit 9d027a558e
5 changed files with 33 additions and 7 deletions

View file

@ -412,7 +412,7 @@ void GCode::_do_export(Print &print, FILE *file, GCodePreviewData *preview_data)
// resets time estimators
m_normal_time_estimator.reset();
m_normal_time_estimator.set_dialect(print.config.gcode_flavor);
m_normal_time_estimator.set_acceleration(print.config.machine_max_acceleration_extruding.values[0]);
m_normal_time_estimator.set_max_acceleration(print.config.machine_max_acceleration_extruding.values[0]);
m_normal_time_estimator.set_retract_acceleration(print.config.machine_max_acceleration_retracting.values[0]);
m_normal_time_estimator.set_minimum_feedrate(print.config.machine_min_extruding_rate.values[0]);
m_normal_time_estimator.set_minimum_travel_feedrate(print.config.machine_min_travel_rate.values[0]);
@ -434,7 +434,7 @@ void GCode::_do_export(Print &print, FILE *file, GCodePreviewData *preview_data)
{
m_silent_time_estimator.reset();
m_silent_time_estimator.set_dialect(print.config.gcode_flavor);
m_silent_time_estimator.set_acceleration(print.config.machine_max_acceleration_extruding.values[1]);
m_silent_time_estimator.set_max_acceleration(print.config.machine_max_acceleration_extruding.values[1]);
m_silent_time_estimator.set_retract_acceleration(print.config.machine_max_acceleration_retracting.values[1]);
m_silent_time_estimator.set_minimum_feedrate(print.config.machine_min_extruding_rate.values[1]);
m_silent_time_estimator.set_minimum_travel_feedrate(print.config.machine_min_travel_rate.values[1]);

View file

@ -414,7 +414,7 @@ namespace Slic3r {
void GCodeTimeEstimator::set_acceleration(float acceleration_mm_sec2)
{
_state.acceleration = acceleration_mm_sec2;
_state.acceleration = std::min(_state.max_acceleration, acceleration_mm_sec2);
}
float GCodeTimeEstimator::get_acceleration() const
@ -422,6 +422,17 @@ namespace Slic3r {
return _state.acceleration;
}
void GCodeTimeEstimator::set_max_acceleration(float acceleration_mm_sec2)
{
_state.max_acceleration = acceleration_mm_sec2;
_state.acceleration = acceleration_mm_sec2;
}
float GCodeTimeEstimator::get_max_acceleration() const
{
return _state.max_acceleration;
}
void GCodeTimeEstimator::set_retract_acceleration(float acceleration_mm_sec2)
{
_state.retract_acceleration = acceleration_mm_sec2;
@ -540,7 +551,7 @@ namespace Slic3r {
set_e_local_positioning_type(Absolute);
set_feedrate(DEFAULT_FEEDRATE);
set_acceleration(DEFAULT_ACCELERATION);
set_max_acceleration(DEFAULT_ACCELERATION);
set_retract_acceleration(DEFAULT_RETRACT_ACCELERATION);
set_minimum_feedrate(DEFAULT_MINIMUM_FEEDRATE);
set_minimum_travel_feedrate(DEFAULT_MINIMUM_TRAVEL_FEEDRATE);

View file

@ -72,6 +72,8 @@ namespace Slic3r {
Axis axis[Num_Axis];
float feedrate; // mm/s
float acceleration; // mm/s^2
// hard limit for the acceleration, to which the firmware will clamp.
float max_acceleration; // mm/s^2
float retract_acceleration; // mm/s^2
float additional_time; // s
float minimum_feedrate; // mm/s
@ -263,6 +265,10 @@ namespace Slic3r {
void set_acceleration(float acceleration_mm_sec2);
float get_acceleration() const;
// Maximum acceleration for the machine. The firmware simulator will clamp the M204 Sxxx to this maximum.
void set_max_acceleration(float acceleration_mm_sec2);
float get_max_acceleration() const;
void set_retract_acceleration(float acceleration_mm_sec2);
float get_retract_acceleration() const;

View file

@ -18,7 +18,9 @@ void GCodeWriter::apply_print_config(const PrintConfig &print_config)
{
this->config.apply(print_config, true);
m_extrusion_axis = this->config.get_extrusion_axis();
this->m_single_extruder_multi_material = print_config.single_extruder_multi_material.value;
m_single_extruder_multi_material = print_config.single_extruder_multi_material.value;
m_max_acceleration = (print_config.gcode_flavor.value == gcfMarlin) ?
print_config.machine_max_acceleration_extruding.value : 0;
}
void GCodeWriter::set_extruders(const std::vector<unsigned int> &extruder_ids)
@ -85,7 +87,7 @@ std::string GCodeWriter::set_temperature(unsigned int temperature, bool wait, in
}
gcode << temperature;
if (tool != -1 &&
( (this->multiple_extruders && ! this->m_single_extruder_multi_material) ||
( (this->multiple_extruders && ! m_single_extruder_multi_material) ||
FLAVOR_IS(gcfMakerWare) || FLAVOR_IS(gcfSailfish)) ) {
gcode << " T" << tool;
}
@ -170,6 +172,10 @@ std::string GCodeWriter::set_fan(unsigned int speed, bool dont_save)
std::string GCodeWriter::set_acceleration(unsigned int acceleration)
{
// Clamp the acceleration to the allowed maximum.
if (m_max_acceleration > 0 && acceleration > m_max_acceleration)
acceleration = m_max_acceleration;
if (acceleration == 0 || acceleration == m_last_acceleration)
return std::string();

View file

@ -18,7 +18,7 @@ public:
GCodeWriter() :
multiple_extruders(false), m_extrusion_axis("E"), m_extruder(nullptr),
m_single_extruder_multi_material(false),
m_last_acceleration(0), m_last_fan_speed(0),
m_last_acceleration(0), m_max_acceleration(0), m_last_fan_speed(0),
m_last_bed_temperature(0), m_last_bed_temperature_reached(true),
m_lifted(0)
{}
@ -74,6 +74,9 @@ private:
bool m_single_extruder_multi_material;
Extruder* m_extruder;
unsigned int m_last_acceleration;
// Limit for setting the acceleration, to respect the machine limits set for the Marlin firmware.
// If set to zero, the limit is not in action.
unsigned int m_max_acceleration;
unsigned int m_last_fan_speed;
unsigned int m_last_bed_temperature;
bool m_last_bed_temperature_reached;