void TemperatureControl::on_gcode_received(void* argument){ Gcode* gcode = static_cast<Gcode*>(argument); if (gcode->has_m) { // Get temperature if( gcode->m == this->get_m_code ){ char buf[32]; // should be big enough for any status int n= snprintf(buf, sizeof(buf), "%s:%3.1f /%3.1f @%d ", this->designator.c_str(), this->get_temperature(), ((target_temperature == UNDEFINED)?0.0:target_temperature), this->o); gcode->txt_after_ok.append(buf, n); gcode->mark_as_taken(); } else if (gcode->m == 301) { gcode->mark_as_taken(); if (gcode->has_letter('S') && (gcode->get_value('S') == this->pool_index)) { if (gcode->has_letter('P')) setPIDp( gcode->get_value('P') ); if (gcode->has_letter('I')) setPIDi( gcode->get_value('I') ); if (gcode->has_letter('D')) setPIDd( gcode->get_value('D') ); if (gcode->has_letter('X')) this->i_max = gcode->get_value('X'); } //gcode->stream->printf("%s(S%d): Pf:%g If:%g Df:%g X(I_max):%g Pv:%g Iv:%g Dv:%g O:%d\n", this->designator.c_str(), this->pool_index, this->p_factor, this->i_factor/this->PIDdt, this->d_factor*this->PIDdt, this->i_max, this->p, this->i, this->d, o); gcode->stream->printf("%s(S%d): Pf:%g If:%g Df:%g X(I_max):%g O:%d\n", this->designator.c_str(), this->pool_index, this->p_factor, this->i_factor/this->PIDdt, this->d_factor*this->PIDdt, this->i_max, o); } else if (gcode->m == 303) { if (gcode->has_letter('E') && (gcode->get_value('E') == this->pool_index)) { gcode->mark_as_taken(); float target = 150.0; if (gcode->has_letter('S')) { target = gcode->get_value('S'); gcode->stream->printf("Target: %5.1f\n", target); } int ncycles= 8; if (gcode->has_letter('C')) { ncycles= gcode->get_value('C'); } gcode->stream->printf("Start PID tune, command is %s\n", gcode->command.c_str()); this->pool->PIDtuner->begin(this, target, gcode->stream, ncycles); } } else if (gcode->m == 500 || gcode->m == 503){// M500 saves some volatile settings to config override file, M503 just prints the settings gcode->stream->printf(";PID settings:\nM301 S%d P%1.4f I%1.4f D%1.4f\n", this->pool_index, this->p_factor, this->i_factor/this->PIDdt, this->d_factor*this->PIDdt); gcode->mark_as_taken(); } else if( ( gcode->m == this->set_m_code || gcode->m == this->set_and_wait_m_code ) && gcode->has_letter('S') ) { // Attach gcodes to the last block for on_gcode_execute THEKERNEL->conveyor->append_gcode(gcode); // push an empty block if we have to wait, so the Planner can get things right, and we can prevent subsequent non-move gcodes from executing if (gcode->m == this->set_and_wait_m_code) // ensure that no subsequent gcodes get executed with our M109 or similar THEKERNEL->conveyor->queue_head_block(); } } }
void TemperatureControl::on_gcode_received(void *argument) { Gcode *gcode = static_cast<Gcode *>(argument); if (gcode->has_m) { if( gcode->m == this->get_m_code ) { char buf[32]; // should be big enough for any status int n = snprintf(buf, sizeof(buf), "%s:%3.1f /%3.1f @%d ", this->designator.c_str(), this->get_temperature(), ((target_temperature <= 0) ? 0.0 : target_temperature), this->o); gcode->txt_after_ok.append(buf, n); return; } if (gcode->m == 305) { // set or get sensor settings if (gcode->has_letter('S') && (gcode->get_value('S') == this->pool_index)) { TempSensor::sensor_options_t args= gcode->get_args(); args.erase('S'); // don't include the S if(args.size() > 0) { // set the new options if(sensor->set_optional(args)) { this->sensor_settings= true; }else{ gcode->stream->printf("Unable to properly set sensor settings, make sure you specify all required values\n"); } }else{ // don't override this->sensor_settings= false; } }else if(!gcode->has_letter('S')) { gcode->stream->printf("%s(S%d): using %s\n", this->designator.c_str(), this->pool_index, this->readonly?"Readonly" : this->use_bangbang?"Bangbang":"PID"); sensor->get_raw(); TempSensor::sensor_options_t options; if(sensor->get_optional(options)) { for(auto &i : options) { // foreach optional value gcode->stream->printf("%s(S%d): %c %1.18f\n", this->designator.c_str(), this->pool_index, i.first, i.second); } } } return; } // readonly sensors don't handle the rest if(this->readonly) return; if (gcode->m == 143) { if (gcode->has_letter('S') && (gcode->get_value('S') == this->pool_index)) { if(gcode->has_letter('P')) { max_temp= gcode->get_value('P'); } else { gcode->stream->printf("Nothing set NOTE Usage is M143 S0 P300 where <S> is the hotend index and <P> is the maximum temp to set\n"); } }else if(gcode->get_num_args() == 0) { gcode->stream->printf("Maximum temperature for %s(%d) is %f°C\n", this->designator.c_str(), this->pool_index, max_temp); } } else if (gcode->m == 301) { if (gcode->has_letter('S') && (gcode->get_value('S') == this->pool_index)) { if (gcode->has_letter('P')) setPIDp( gcode->get_value('P') ); if (gcode->has_letter('I')) setPIDi( gcode->get_value('I') ); if (gcode->has_letter('D')) setPIDd( gcode->get_value('D') ); if (gcode->has_letter('X')) this->i_max = gcode->get_value('X'); if (gcode->has_letter('Y')) this->heater_pin.max_pwm(gcode->get_value('Y')); }else if(!gcode->has_letter('S')) { gcode->stream->printf("%s(S%d): Pf:%g If:%g Df:%g X(I_max):%g max pwm: %d O:%d\n", this->designator.c_str(), this->pool_index, this->p_factor, this->i_factor / this->PIDdt, this->d_factor * this->PIDdt, this->i_max, this->heater_pin.max_pwm(), o); } } else if (gcode->m == 500 || gcode->m == 503) { // M500 saves some volatile settings to config override file, M503 just prints the settings gcode->stream->printf(";PID settings:\nM301 S%d P%1.4f I%1.4f D%1.4f X%1.4f Y%d\n", this->pool_index, this->p_factor, this->i_factor / this->PIDdt, this->d_factor * this->PIDdt, this->i_max, this->heater_pin.max_pwm()); gcode->stream->printf(";Max temperature setting:\nM143 S%d P%1.4f\n", this->pool_index, this->max_temp); if(this->sensor_settings) { // get or save any sensor specific optional values TempSensor::sensor_options_t options; if(sensor->get_optional(options) && !options.empty()) { gcode->stream->printf(";Optional temp sensor specific settings:\nM305 S%d", this->pool_index); for(auto &i : options) { gcode->stream->printf(" %c%1.18f", i.first, i.second); } gcode->stream->printf("\n"); } } } else if( ( gcode->m == this->set_m_code || gcode->m == this->set_and_wait_m_code ) && gcode->has_letter('S')) { // this only gets handled if it is not controlled by the tool manager or is active in the toolmanager this->active = true; // this is safe as old configs as well as single extruder configs the toolmanager will not be running so will return false // this will also ignore anything that the tool manager is not controlling and return false, otherwise it returns the active tool void *returned_data; bool ok = PublicData::get_value( tool_manager_checksum, is_active_tool_checksum, this->name_checksum, &returned_data ); if (ok) { uint16_t active_tool_name = *static_cast<uint16_t *>(returned_data); this->active = (active_tool_name == this->name_checksum); } if(this->active) { // required so temp change happens in order THEKERNEL->conveyor->wait_for_empty_queue(); float v = gcode->get_value('S'); if (v == 0.0) { this->target_temperature = UNDEFINED; this->heater_pin.set((this->o = 0)); } else { this->set_desired_temperature(v); // wait for temp to be reached, no more gcodes will be fetched until this is complete if( gcode->m == this->set_and_wait_m_code) { if(isinf(get_temperature()) && isinf(sensor->get_temperature())) { THEKERNEL->streams->printf("Temperature reading is unreliable on %s HALT asserted - reset or M999 required\n", designator.c_str()); THEKERNEL->call_event(ON_HALT, nullptr); return; } this->waiting = true; // on_second_tick will announce temps while ( get_temperature() < target_temperature ) { THEKERNEL->call_event(ON_IDLE, this); // check if ON_HALT was called (usually by kill button) if(THEKERNEL->is_halted() || this->target_temperature == UNDEFINED) { THEKERNEL->streams->printf("Wait on temperature aborted by kill\n"); break; } } this->waiting = false; } } } } } }
// Get configuration from the config file void TemperatureControl::load_config() { // General config this->set_m_code = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, set_m_code_checksum)->by_default(104)->as_number(); this->set_and_wait_m_code = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, set_and_wait_m_code_checksum)->by_default(109)->as_number(); this->get_m_code = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, get_m_code_checksum)->by_default(105)->as_number(); this->readings_per_second = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, readings_per_second_checksum)->by_default(160)->as_number(); this->designator = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, designator_checksum)->by_default(string("T"))->as_string(); // Max and min temperatures we are not allowed to get over (Safety) this->max_temp = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, max_temp_checksum)->by_default(300)->as_number(); this->min_temp = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, min_temp_checksum)->by_default(0)->as_number(); // Heater pin this->heater_pin.from_string( THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, heater_pin_checksum)->by_default("nc")->as_string()); if(this->heater_pin.connected()){ this->readonly= false; this->heater_pin.as_output(); } else { this->readonly= true; } // For backward compatibility, default to a thermistor sensor. std::string sensor_type = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, sensor_checksum)->by_default("thermistor")->as_string(); // Instantiate correct sensor (TBD: TempSensor factory?) delete sensor; sensor = nullptr; // In case we fail to create a new sensor. if(sensor_type.compare("thermistor") == 0) { sensor = new Thermistor(); } else if(sensor_type.compare("max31855") == 0) { sensor = new Max31855(); //TOADDBACK } else if(sensor_type.compare("ad8495") == 0) { //TOADDBACK sensor = new AD8495(); } else { sensor = new TempSensor(); // A dummy implementation } sensor->UpdateConfig(temperature_control_checksum, this->name_checksum); this->preset1 = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, preset1_checksum)->by_default(0)->as_number(); this->preset2 = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, preset2_checksum)->by_default(0)->as_number(); // sigma-delta output modulation this->o = 0; if(!this->readonly) { // used to enable bang bang control of heater this->use_bangbang = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, bang_bang_checksum)->by_default(false)->as_bool(); this->hysteresis = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, hysteresis_checksum)->by_default(2)->as_number(); this->windup = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, windup_checksum)->by_default(false)->as_bool(); this->heater_pin.max_pwm( THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, max_pwm_checksum)->by_default(255)->as_number() ); this->heater_pin.set(0); // TOADDBACK set_low_on_debug(heater_pin.port_number, heater_pin.pin); // activate SD-DAC timer THEKERNEL->slow_ticker->attach( THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, pwm_frequency_checksum)->by_default(2000)->as_number(), &heater_pin, &Pwm::on_tick); } // reading tick THEKERNEL->slow_ticker->attach( this->readings_per_second, this, &TemperatureControl::thermistor_read_tick ); this->PIDdt = 1.0 / this->readings_per_second; // PID setPIDp( THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, p_factor_checksum)->by_default(10 )->as_number() ); setPIDi( THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, i_factor_checksum)->by_default(0.3f)->as_number() ); setPIDd( THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, d_factor_checksum)->by_default(200)->as_number() ); if(!this->readonly) { // set to the same as max_pwm by default this->i_max = THEKERNEL->config->value(temperature_control_checksum, this->name_checksum, i_max_checksum )->by_default(this->heater_pin.max_pwm())->as_number(); } this->iTerm = 0.0; this->lastInput = -1.0; this->last_reading = 0.0; }