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Ported the between_objects_gcode custom G-code blocks,

Browse source 
thanks @lordofhyphens, https://github.com/alexrj/Slic3r/pull/3275

Improved handling of custom G-code blocks: Slic3r will try to extract
the target extruder and bed temperatures from the custom G-code blocks.
This commit is contained in:
bubnikv 2017-11-28 15:19:57 +01:00
parent f58b217369
commit 672194b475
8 changed files with 207 additions and 100 deletions
Download patch file Download diff file Expand all files Collapse all files

121
xs/src/libslic3r/GCode.cpp
View file

@ -538,29 +538,23 @@ bool GCode::_do_export(Print &print, FILE *file)
// Disable fan.
if (! print.config.cooling.get_at(initial_extruder_id) || print.config.disable_fan_first_layers.get_at(initial_extruder_id))
write(file, m_writer.set_fan(0, true));
// Set bed temperature if the start G-code does not contain any bed temp control G-codes.
{
// Always call m_writer.set_bed_temperature() so it will set the internal "current" state of the bed temp as if
// the custom start G-code emited these.
//FIXME Should one parse the custom G-code to initialize the "current" bed temp state at m_writer?
std::string gcode = m_writer.set_bed_temperature(print.config.first_layer_bed_temperature.get_at(initial_extruder_id), true);
if (boost::ifind_first(print.config.start_gcode.value, std::string("M140")).empty() &&
boost::ifind_first(print.config.start_gcode.value, std::string("M190")).empty())
write(file, gcode);
}
// Set extruder(s) temperature before and after start G-code.
this->_print_first_layer_extruder_temperatures(file, print, initial_extruder_id, false);
// Let the start-up script prime the 1st printing tool.
m_placeholder_parser.set("initial_tool", initial_extruder_id);
m_placeholder_parser.set("initial_extruder", initial_extruder_id);
m_placeholder_parser.set("current_extruder", initial_extruder_id);
writeln(file, m_placeholder_parser.process(print.config.start_gcode.value, initial_extruder_id));
std::string start_gcode = m_placeholder_parser.process(print.config.start_gcode.value, initial_extruder_id);
// Set bed temperature if the start G-code does not contain any bed temp control G-codes.
this->_print_first_layer_bed_temperature(file, print, start_gcode, initial_extruder_id, true);
// Set extruder(s) temperature before and after start G-code.
this->_print_first_layer_extruder_temperatures(file, print, start_gcode, initial_extruder_id, false);
// Write the custom start G-code
writeln(file, start_gcode);
// Process filament-specific gcode in extruder order.
for (const std::string &start_gcode : print.config.start_filament_gcode.values)
writeln(file, m_placeholder_parser.process(start_gcode, (unsigned int)(&start_gcode - &print.config.start_filament_gcode.values.front())));
this->_print_first_layer_extruder_temperatures(file, print, initial_extruder_id, true);
this->_print_first_layer_extruder_temperatures(file, print, start_gcode, initial_extruder_id, true);
// Set other general things.
write(file, this->preamble());
@ -650,9 +644,11 @@ bool GCode::_do_export(Print &print, FILE *file)
// Ff we are printing the bottom layer of an object, and we have already finished
// another one, set first layer temperatures. This happens before the Z move
// is triggered, so machine has more time to reach such temperatures.
write(file, m_writer.set_bed_temperature(print.config.first_layer_bed_temperature.get_at(initial_extruder_id)));
// Set first layer extruder.
this->_print_first_layer_extruder_temperatures(file, print, initial_extruder_id, false);
std::string between_objects_gcode = m_placeholder_parser.process(print.config.between_objects_gcode.value, initial_extruder_id);
// Set first layer bed and extruder temperatures, don't wait for it to reach the temperature.
this->_print_first_layer_bed_temperature(file, print, between_objects_gcode, initial_extruder_id, false);
this->_print_first_layer_extruder_temperatures(file, print, between_objects_gcode, initial_extruder_id, false);
writeln(file, between_objects_gcode);
}
// Reset the cooling buffer internal state (the current position, feed rate, accelerations).
m_cooling_buffer->reset();
@ -774,15 +770,96 @@ bool GCode::_do_export(Print &print, FILE *file)
return true;
}
// Parse the custom G-code, try to find mcode_set_temp_dont_wait and mcode_set_temp_and_wait inside the custom G-code.
// Returns true if one of the temp commands are found, and try to parse the target temperature value into temp_out.
static bool custom_gcode_sets_temperature(const std::string &gcode, const int mcode_set_temp_dont_wait, const int mcode_set_temp_and_wait, int &temp_out)
{
temp_out = -1;
if (gcode.empty())
return false;
const char *ptr = gcode.data();
bool temp_set_by_gcode = false;
while (*ptr != 0) {
// Skip whitespaces.
for (; *ptr == ' ' || *ptr == '\t'; ++ ptr);
if (*ptr == 'M') {
// Line starts with 'M'. It is a machine command.
++ ptr;
// Parse the M code value.
char *endptr = nullptr;
int mcode = int(strtol(ptr, &endptr, 10));
if (endptr != nullptr && endptr != ptr && (mcode == mcode_set_temp_dont_wait || mcode == mcode_set_temp_and_wait)) {
// M104/M109 or M140/M190 found.
ptr = endptr;
// Let the caller know that the custom G-code sets the temperature.
temp_set_by_gcode = true;
// Now try to parse the temperature value.
// While not at the end of the line:
while (strchr(";\r\n\0", *ptr) == nullptr) {
// Skip whitespaces.
for (; *ptr == ' ' || *ptr == '\t'; ++ ptr);
if (*ptr == 'S') {
// Skip whitespaces.
for (++ ptr; *ptr == ' ' || *ptr == '\t'; ++ ptr);
// Parse an int.
endptr = nullptr;
long temp_parsed = strtol(ptr, &endptr, 10);
if (endptr > ptr) {
ptr = endptr;
temp_out = temp_parsed;
}
} else {
// Skip this word.
for (; strchr(" \t;\r\n\0", *ptr) == nullptr; ++ ptr);
}
}
}
}
// Skip the rest of the line.
for (; *ptr != 0 && *ptr != '\r' && *ptr != '\n'; ++ ptr);
// Skip the end of line indicators.
for (; *ptr == '\r' || *ptr == '\n'; ++ ptr);
}
return temp_set_by_gcode;
}
// Write 1st layer bed temperatures into the G-code.
// Only do that if the start G-code does not already contain any M-code controlling an extruder temperature.
// M140 - Set Extruder Temperature
// M190 - Set Extruder Temperature and Wait
void GCode::_print_first_layer_bed_temperature(FILE *file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait)
{
// Initial bed temperature based on the first extruder.
int temp = print.config.first_layer_bed_temperature.get_at(first_printing_extruder_id);
// Is the bed temperature set by the provided custom G-code?
int temp_by_gcode = -1;
bool temp_set_by_gcode = custom_gcode_sets_temperature(gcode, 140, 190, temp_by_gcode);
if (temp_by_gcode >= 0 && temp_by_gcode < 1000)
temp = temp_by_gcode;
// Always call m_writer.set_bed_temperature() so it will set the internal "current" state of the bed temp as if
// the custom start G-code emited these.
std::string set_temp_gcode = m_writer.set_bed_temperature(temp, wait);
if (! temp_by_gcode)
write(file, set_temp_gcode);
}
// Write 1st layer extruder temperatures into the G-code.
// Only do that if the start G-code does not already contain any M-code controlling an extruder temperature.
// FIXME this does not work correctly for multi-extruder, single heater configuration as it emits multiple preheat commands for the same heater.
// M104 - Set Extruder Temperature
// M109 - Set Extruder Temperature and Wait
void GCode::_print_first_layer_extruder_temperatures(FILE *file, Print &print, unsigned int first_printing_extruder_id, bool wait)
void GCode::_print_first_layer_extruder_temperatures(FILE *file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait)
{
if (boost::ifind_first(print.config.start_gcode.value, std::string("M104")).empty() &&
boost::ifind_first(print.config.start_gcode.value, std::string("M109")).empty()) {
// Is the bed temperature set by the provided custom G-code?
int temp_by_gcode = -1;
if (custom_gcode_sets_temperature(gcode, 104, 109, temp_by_gcode)) {
// Set the extruder temperature at m_writer, but throw away the generated G-code as it will be written with the custom G-code.
int temp = print.config.first_layer_temperature.get_at(first_printing_extruder_id);
if (temp_by_gcode >= 0 && temp_by_gcode < 1000)
temp = temp_by_gcode;
m_writer.set_temperature(temp_by_gcode, wait, first_printing_extruder_id);
} else {
// Custom G-code does not set the extruder temperature. Do it now.
if (print.config.single_extruder_multi_material.value) {
// Set temperature of the first printing extruder only.
int temp = print.config.first_layer_temperature.get_at(first_printing_extruder_id);