Exemplo n.º 1
0
// Get config
void Switch::on_config_reload(void* argument){
    this->on_m_code     = this->kernel->config->value(switch_checksum, this->name_checksum, on_m_code_checksum     )->required()->as_number();
    this->off_m_code    = this->kernel->config->value(switch_checksum, this->name_checksum, off_m_code_checksum    )->required()->as_number();
    this->output_pin.from_string(this->kernel->config->value(switch_checksum, this->name_checksum, output_pin_checksum    )->required()->as_string())->as_output();
    this->output_pin.set(this->kernel->config->value(switch_checksum, this->name_checksum, startup_state_checksum )->by_default(0)->as_number() );

    set_low_on_debug(output_pin.port_number, output_pin.pin);
}
Exemplo n.º 2
0
// Get config
void Switch::on_config_reload(void *argument)
{
    this->input_pin.from_string( THEKERNEL->config->value(switch_checksum, this->name_checksum, input_pin_checksum )->by_default("nc")->as_string())->as_input();
    this->input_pin_behavior =   THEKERNEL->config->value(switch_checksum, this->name_checksum, input_pin_behavior_checksum )->by_default(momentary_checksum)->as_number();
    std::string input_on_command =    THEKERNEL->config->value(switch_checksum, this->name_checksum, input_on_command_checksum )->by_default("")->as_string();
    std::string input_off_command =   THEKERNEL->config->value(switch_checksum, this->name_checksum, input_off_command_checksum )->by_default("")->as_string();
    this->output_pin.from_string(THEKERNEL->config->value(switch_checksum, this->name_checksum, output_pin_checksum )->by_default("nc")->as_string())->as_output();
    this->output_on_command =    THEKERNEL->config->value(switch_checksum, this->name_checksum, output_on_command_checksum )->by_default("")->as_string();
    this->output_off_command =   THEKERNEL->config->value(switch_checksum, this->name_checksum, output_off_command_checksum )->by_default("")->as_string();
    this->switch_state =         THEKERNEL->config->value(switch_checksum, this->name_checksum, startup_state_checksum )->by_default(false)->as_bool();
    string type =                THEKERNEL->config->value(switch_checksum, this->name_checksum, output_type_checksum )->by_default("pwm")->as_string();

    if(type == "pwm") this->output_type= PWM;
    else if(type == "digital") this->output_type= DIGITAL;
    else this->output_type= PWM; // unkown type default to pwm

    if(this->output_pin.connected()) {
        if(this->output_type == PWM) {
            this->output_pin.max_pwm(THEKERNEL->config->value(switch_checksum, this->name_checksum, max_pwm_checksum )->by_default(255)->as_number());
            this->switch_value = THEKERNEL->config->value(switch_checksum, this->name_checksum, startup_value_checksum )->by_default(this->output_pin.max_pwm())->as_number();
            if(this->switch_state) {
                this->output_pin.pwm(this->switch_value); // will be truncated to max_pwm
            } else {
                this->output_pin.set(false);
            }
        } else {
            this->output_pin.set(this->switch_state);
        }
    }

    set_low_on_debug(output_pin.port_number, output_pin.pin);

    // Set the on/off command codes, Use GCode to do the parsing
    input_on_command_letter = 0;
    input_off_command_letter = 0;

    if(!input_on_command.empty()) {
        Gcode gc(input_on_command, NULL);
        if(gc.has_g) {
            input_on_command_letter = 'G';
            input_on_command_code = gc.g;
        } else if(gc.has_m) {
            input_on_command_letter = 'M';
            input_on_command_code = gc.m;
        }
    }
    if(!input_off_command.empty()) {
        Gcode gc(input_off_command, NULL);
        if(gc.has_g) {
            input_off_command_letter = 'G';
            input_off_command_code = gc.g;
        } else if(gc.has_m) {
            input_off_command_letter = 'M';
            input_off_command_code = gc.m;
        }
    }

    if(input_pin.connected()) {
        // set to initial state
        this->input_pin_state = this->input_pin.get();
        // input pin polling
        THEKERNEL->slow_ticker->attach( 100, this, &Switch::pinpoll_tick);
    }

    if(this->output_type == PWM && this->output_pin.connected()) {
        // PWM
        THEKERNEL->slow_ticker->attach(1000, &this->output_pin, &Pwm::on_tick);
    }
}
// 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(20)->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();
    } else if(sensor_type.compare("ad8495") == 0) {
        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);
        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;
}