TemperatureControl.h

00001 /*  
00002       this file is part of smoothie (http://smoothieware.org/). the motion control part is heavily based on grbl (https://github.com/simen/grbl).
00003       smoothie is free software: you can redistribute it and/or modify it under the terms of the gnu general public license as published by the free software foundation, either version 3 of the license, or (at your option) any later version.
00004       smoothie is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. see the gnu general public license for more details.
00005       you should have received a copy of the gnu general public license along with smoothie. if not, see <http://www.gnu.org/licenses/>. 
00006 */
00007 
00008 #ifndef temperaturecontrol_h
00009 #define temperaturecontrol_h
00010 
00011 #include "libs/Pin.h"
00012 #include <math.h>
00013 
00014 #define UNDEFINED -1
00015 
00016 #define thermistor_checksum                41045
00017 #define r0_checksum                        5538
00018 #define readings_per_second_checksum       18645 
00019 #define t0_checksum                        6564
00020 #define beta_checksum                      1181
00021 #define vadc_checksum                      10911
00022 #define vcc_checksum                       36157
00023 #define r1_checksum                        5795
00024 #define r2_checksum                        6052
00025 #define temperature_control_checksum       44054
00026 #define thermistor_pin_checksum            1788 
00027 #define heater_pin_checksum                35619 
00028 
00029 class TemperatureControl : public Module {
00030     public:
00031         TemperatureControl();
00032         TemperatureControl(uint16_t name);
00033         
00034         virtual void on_module_loaded();
00035         virtual void on_main_loop(void* argument);
00036         virtual void on_gcode_execute(void* argument);
00037         virtual void on_config_reload(void* argument);
00038         void set_desired_temperature(double desired_temperature);
00039         double get_temperature();
00040         double adc_value_to_temperature(double adc_value);
00041         double temperature_to_adc_value(double temperature);
00042         uint32_t thermistor_read_tick(uint32_t dummy);
00043         double new_thermistor_reading();
00044         double average_adc_reading();
00045         
00046         double    desired_adc_value;
00047         double    tail_adc_value;
00048         double    head_adc_value;
00049 
00050         // Thermistor computation settings
00051         double r0;
00052         double t0;
00053         double r1;
00054         double r2;
00055         double beta;
00056         double vadc;
00057         double vcc;
00058         double k;
00059         double vs;
00060         double rs;
00061         
00062         double acceleration_factor;
00063         double readings_per_second;
00064 
00065         RingBuffer<double,16> queue;  // Queue of Blocks
00066         int error_count;
00067 
00068         uint16_t name_checksum;
00069 
00070         Pin* thermistor_pin;
00071         Pin* heater_pin;
00072     
00073         bool waiting;
00074 
00075 };
00076 
00077 #endif