void GCodeExport::resetExtrusionValue()
{
if (extrusion_amount != 0.0 && flavor != GCODE_FLAVOR_MAKERBOT && flavor != GCODE_FLAVOR_BFB)
{
*output_stream << "G92 " << extruderCharacter[current_extruder] << "0\n";
totalFilament[current_extruder] += getExtrusionAmountMM3(current_extruder);
for (unsigned int i = 0; i < extrusion_amount_at_previous_n_retractions.size(); i++)
extrusion_amount_at_previous_n_retractions[i] -= extrusion_amount;
extrusion_amount = 0.0;
}
}
void GCodeExport::resetExtrusionValue()
{
if (extrusion_amount != 0.0 && flavor != EGCodeFlavor::MAKERBOT && flavor != EGCodeFlavor::BFB)
{
// TinyG G92: set origin offsets
*output_stream << "G92 " << extruder_attr[current_extruder].extruderCharacter << "0\n";
extruder_attr[current_extruder].totalFilament += getExtrusionAmountMM3(current_extruder);
for (unsigned int i = 0; i < extrusion_amount_at_previous_n_retractions.size(); i++)
extrusion_amount_at_previous_n_retractions[i] -= extrusion_amount;
extrusion_amount = 0.0;
}
}
void GCodeExport::writeMove(int x, int y, int z, double speed, double extrusion_mm3_per_mm)
{
if (currentPosition.x == x && currentPosition.y == y && currentPosition.z == z)
return;
assert(speed < 200 && speed > 1); // normal F values occurring in UM2 gcode (this code should not be compiled for release)
assert((Point3(x,y,z) - currentPosition).vSize() < MM2INT(300)); // no crazy positions (this code should not be compiled for release)
if (extrusion_mm3_per_mm < 0)
logWarning("Warning! Negative extrusion move!");
double extrusion_per_mm = extrusion_mm3_per_mm;
if (!is_volumatric)
{
extrusion_per_mm = extrusion_mm3_per_mm / getFilamentArea(current_extruder);
}
Point gcode_pos = getGcodePos(x,y, current_extruder);
if (flavor == EGCodeFlavor::BFB)
{
//For Bits From Bytes machines, we need to handle this completely differently. As they do not use E values but RPM values.
float fspeed = speed * 60;
float rpm = extrusion_per_mm * speed * 60;
const float mm_per_rpm = 4.0; //All BFB machines have 4mm per RPM extrusion.
rpm /= mm_per_rpm;
if (rpm > 0)
{
if (isRetracted)
{
if (currentSpeed != double(rpm))
{
//fprintf(f, "; %f e-per-mm %d mm-width %d mm/s\n", extrusion_per_mm, lineWidth, speed);
//fprintf(f, "M108 S%0.1f\r\n", rpm);
*output_stream << "M108 S" << std::setprecision(1) << rpm << "\r\n";
currentSpeed = double(rpm);
}
//Add M101 or M201 to enable the proper extruder.
*output_stream << "M" << int((current_extruder + 1) * 100 + 1) << "\r\n";
isRetracted = false;
}
//Fix the speed by the actual RPM we are asking, because of rounding errors we cannot get all RPM values, but we have a lot more resolution in the feedrate value.
// (Trick copied from KISSlicer, thanks Jonathan)
fspeed *= (rpm / (roundf(rpm * 100) / 100));
//Increase the extrusion amount to calculate the amount of filament used.
Point3 diff = Point3(x,y,z) - getPosition();
extrusion_amount += extrusion_per_mm * diff.vSizeMM();
}else{
//If we are not extruding, check if we still need to disable the extruder. This causes a retraction due to auto-retraction.
if (!isRetracted)
{
*output_stream << "M103\r\n";
isRetracted = true;
}
}
*output_stream << std::setprecision(3) <<
"G1 X" << INT2MM(gcode_pos.X) <<
" Y" << INT2MM(gcode_pos.Y) <<
" Z" << INT2MM(z) << std::setprecision(1) << " F" << fspeed << "\r\n";
}
else
{
//Normal E handling.
if (extrusion_mm3_per_mm > 0.000001)
{
Point3 diff = Point3(x,y,z) - getPosition();
if (isZHopped > 0)
{
// TinyG G1: Straight feed
*output_stream << std::setprecision(3) << "G1 Z" << INT2MM(currentPosition.z) << "\n";
isZHopped = 0;
}
extrusion_amount += (is_volumatric) ? last_coasted_amount_mm3 : last_coasted_amount_mm3 / getFilamentArea(current_extruder);
if (isRetracted)
{
if (flavor == EGCodeFlavor::ULTIGCODE || flavor == EGCodeFlavor::REPRAP_VOLUMATRIC)
{
*output_stream << "G11\n"; //TODO try this code and see what happens
//Assume default UM2 retraction settings.
if (last_coasted_amount_mm3 > 0)
{
*output_stream << "G1 F" << (retractionPrimeSpeed * 60) << " " << extruder_attr[current_extruder].extruderCharacter << std::setprecision(5) << extrusion_amount << "\n";
}
estimateCalculator.plan(TimeEstimateCalculator::Position(INT2MM(currentPosition.x), INT2MM(currentPosition.y), INT2MM(currentPosition.z), extrusion_amount), 25.0);
}else{
// TinyG checked
*output_stream << "G1 F" << (retractionPrimeSpeed * 60) << " " << extruder_attr[current_extruder].extruderCharacter << std::setprecision(5) << extrusion_amount << "\n";
currentSpeed = retractionPrimeSpeed;
estimateCalculator.plan(TimeEstimateCalculator::Position(INT2MM(currentPosition.x), INT2MM(currentPosition.y), INT2MM(currentPosition.z), extrusion_amount), currentSpeed);
}
if (getExtrusionAmountMM3(current_extruder) > 10000.0) //According to https://github.com/Ultimaker/CuraEngine/issues/14 having more then 21m of extrusion causes inaccuracies. So reset it every 10m, just to be sure.
resetExtrusionValue();
isRetracted = false;
}
else
{
if (last_coasted_amount_mm3 > 0)
{
*output_stream << "G1 F" << (retractionPrimeSpeed * 60) << " " << extruder_attr[current_extruder].extruderCharacter << std::setprecision(5) << extrusion_amount << "\n";
estimateCalculator.plan(TimeEstimateCalculator::Position(INT2MM(currentPosition.x), INT2MM(currentPosition.y), INT2MM(currentPosition.z), extrusion_amount), currentSpeed);
}
}
last_coasted_amount_mm3 = 0;
extrusion_amount += extrusion_per_mm * diff.vSizeMM();
// TinyG TODO: add one axis
*output_stream << "G1";
}else{
*output_stream << "G0";
if (commandSocket) {
// we should send this travel as a non-retraction move
cura::Polygons travelPoly;
PolygonRef travel = travelPoly.newPoly();
travel.add(Point(currentPosition.x, currentPosition.y));
travel.add(Point(x, y));
commandSocket->sendPolygons(isRetracted ? MoveRetractionType : MoveCombingType, layer_nr, travelPoly, isRetracted ? MM2INT(0.2) : MM2INT(0.1));
}
}
if (currentSpeed != speed)
{
*output_stream << " F" << (speed * 60);
currentSpeed = speed;
}
*output_stream << std::setprecision(3) <<
" X" << INT2MM(gcode_pos.X) <<
" Y" << INT2MM(gcode_pos.Y);
if (z != currentPosition.z)
*output_stream << " Z" << INT2MM(z + isZHopped);
if (extrusion_mm3_per_mm > 0.000001)
*output_stream << " " << extruder_attr[current_extruder].extruderCharacter << std::setprecision(5) << extrusion_amount;
*output_stream << "\n";
}
currentPosition = Point3(x, y, z);
startPosition = currentPosition;
estimateCalculator.plan(TimeEstimateCalculator::Position(INT2MM(currentPosition.x), INT2MM(currentPosition.y), INT2MM(currentPosition.z), extrusion_amount), speed);
}
double GCodeExport::getTotalFilamentUsed(int e)
{
if (e == current_extruder)
return extruder_attr[e].totalFilament + getExtrusionAmountMM3(e);
return extruder_attr[e].totalFilament;
}
void GCodeExport::writeMove(int x, int y, int z, double speed, double extrusion_mm3_per_mm)
{
if (currentPosition.x == x && currentPosition.y == y && currentPosition.z == z)
return;
double extrusion_per_mm = extrusion_mm3_per_mm;
if (!is_volumatric)
{
extrusion_per_mm = extrusion_mm3_per_mm / getFilamentArea(current_extruder);
}
if (flavor == GCODE_FLAVOR_BFB)
{
//For Bits From Bytes machines, we need to handle this completely differently. As they do not use E values but RPM values.
float fspeed = speed * 60;
float rpm = extrusion_per_mm * speed * 60;
const float mm_per_rpm = 4.0; //All BFB machines have 4mm per RPM extrusion.
rpm /= mm_per_rpm;
if (rpm > 0)
{
if (isRetracted)
{
if (currentSpeed != double(rpm))
{
//fprintf(f, "; %f e-per-mm %d mm-width %d mm/s\n", extrusion_per_mm, lineWidth, speed);
//fprintf(f, "M108 S%0.1f\r\n", rpm);
*output_stream << "M108 S" << std::setprecision(1) << rpm << "\r\n";
currentSpeed = double(rpm);
}
//Add M101 or M201 to enable the proper extruder.
*output_stream << "M" << int((current_extruder + 1) * 100 + 1) << "\r\n";
isRetracted = false;
}
//Fix the speed by the actual RPM we are asking, because of rounding errors we cannot get all RPM values, but we have a lot more resolution in the feedrate value.
// (Trick copied from KISSlicer, thanks Jonathan)
fspeed *= (rpm / (roundf(rpm * 100) / 100));
//Increase the extrusion amount to calculate the amount of filament used.
Point3 diff = Point3(x,y,z) - getPosition();
extrusion_amount += extrusion_per_mm * diff.vSizeMM();
}else{
//If we are not extruding, check if we still need to disable the extruder. This causes a retraction due to auto-retraction.
if (!isRetracted)
{
*output_stream << "M103\r\n";
isRetracted = true;
}
}
*output_stream << std::setprecision(3) << "G1 X" << INT2MM(x - getExtruderOffset(current_extruder).X) << " Y" << INT2MM(y - getExtruderOffset(current_extruder).Y) << " Z" << INT2MM(z) << std::setprecision(1) << " F" << fspeed << "\r\n";
}else{
//Normal E handling.
if (extrusion_mm3_per_mm > 0.000001)
{
Point3 diff = Point3(x,y,z) - getPosition();
if (isZHopped > 0)
{
*output_stream << std::setprecision(3) << "G1 Z" << INT2MM(currentPosition.z) << "\n";
isZHopped = false;
}
extrusion_amount += (is_volumatric) ? last_coasted_amount_mm3 : last_coasted_amount_mm3 / getFilamentArea(current_extruder);
if (isRetracted)
{
if (flavor == GCODE_FLAVOR_ULTIGCODE || flavor == GCODE_FLAVOR_REPRAP_VOLUMATRIC)
{
*output_stream << "G11\n";
//Assume default UM2 retraction settings.
if (last_coasted_amount_mm3 > 0)
{
*output_stream << "G1 F" << (retractionPrimeSpeed * 60) << " " << extruderCharacter[current_extruder] << std::setprecision(5) << extrusion_amount << "\n";
}
estimateCalculator.plan(TimeEstimateCalculator::Position(INT2MM(currentPosition.x), INT2MM(currentPosition.y), INT2MM(currentPosition.z), extrusion_amount), 25.0);
}else{
*output_stream << "G1 F" << (retractionPrimeSpeed * 60) << " " << extruderCharacter[current_extruder] << std::setprecision(5) << extrusion_amount << "\n";
currentSpeed = retractionPrimeSpeed;
estimateCalculator.plan(TimeEstimateCalculator::Position(INT2MM(currentPosition.x), INT2MM(currentPosition.y), INT2MM(currentPosition.z), extrusion_amount), currentSpeed);
}
if (getExtrusionAmountMM3(current_extruder) > 10000.0) //According to https://github.com/Ultimaker/CuraEngine/issues/14 having more then 21m of extrusion causes inaccuracies. So reset it every 10m, just to be sure.
resetExtrusionValue();
isRetracted = false;
}
else
{
if (last_coasted_amount_mm3 > 0)
{
*output_stream << "G1 F" << (retractionPrimeSpeed * 60) << " " << extruderCharacter[current_extruder] << std::setprecision(5) << extrusion_amount << "\n";
estimateCalculator.plan(TimeEstimateCalculator::Position(INT2MM(currentPosition.x), INT2MM(currentPosition.y), INT2MM(currentPosition.z), extrusion_amount), currentSpeed);
}
}
last_coasted_amount_mm3 = 0;
extrusion_amount += extrusion_per_mm * diff.vSizeMM();
*output_stream << "G1";
}else{
*output_stream << "G0";
}
if (currentSpeed != speed)
{
*output_stream << " F" << (speed * 60);
currentSpeed = speed;
}
*output_stream << std::setprecision(3) << " X" << INT2MM(x - getExtruderOffset(current_extruder).X) << " Y" << INT2MM(y - getExtruderOffset(current_extruder).Y);
if (z != currentPosition.z)
*output_stream << " Z" << INT2MM(z);
if (extrusion_mm3_per_mm > 0.000001)
*output_stream << " " << extruderCharacter[current_extruder] << std::setprecision(5) << extrusion_amount;
*output_stream << "\n";
}
currentPosition = Point3(x, y, z);
startPosition = currentPosition;
estimateCalculator.plan(TimeEstimateCalculator::Position(INT2MM(currentPosition.x), INT2MM(currentPosition.y), INT2MM(currentPosition.z), extrusion_amount), speed);
}