Heater for threaded program
Dependents: LEX_Threaded_Programming
Heater.h@27:bb97231d1be9, 2019-08-27 (annotated)
- Committer:
- omatthews
- Date:
- Tue Aug 27 09:22:36 2019 +0000
- Revision:
- 27:bb97231d1be9
- Parent:
- 26:f6c98b05ee85
For Paul
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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omatthews | 0:4e33cc8171f4 | 1 | /*------------------------------------------------------------------------------ |
omatthews | 0:4e33cc8171f4 | 2 | Library header file for heater operations |
omatthews | 0:4e33cc8171f4 | 3 | Date: 16/07/2018 |
omatthews | 0:4e33cc8171f4 | 4 | |
omatthews | 0:4e33cc8171f4 | 5 | |
omatthews | 0:4e33cc8171f4 | 6 | ------------------------------------------------------------------------------*/ |
omatthews | 0:4e33cc8171f4 | 7 | |
omatthews | 0:4e33cc8171f4 | 8 | #ifndef Heater_H |
omatthews | 0:4e33cc8171f4 | 9 | #define Heater_H |
omatthews | 0:4e33cc8171f4 | 10 | #include "mbed.h" |
omatthews | 0:4e33cc8171f4 | 11 | #include "ADS8568_ADC.h" |
omatthews | 17:0bfed0e96927 | 12 | #include "FastPWM.h" |
omatthews | 26:f6c98b05ee85 | 13 | #include "memspcr.pb.h" |
omatthews | 0:4e33cc8171f4 | 14 | |
omatthews | 12:8a048f111140 | 15 | |
omatthews | 1:4435d407d827 | 16 | #define ALL_CH 15 //value of convst bus to read all chanels simultaneosly |
omatthews | 20:2d34a03ae57e | 17 | #define WIND_UP_LIMIT 0.1f //The change in error which turns off the integral term |
omatthews | 18:f5d26d3d532f | 18 | |
omatthews | 0:4e33cc8171f4 | 19 | |
omatthews | 0:4e33cc8171f4 | 20 | class Heater |
omatthews | 0:4e33cc8171f4 | 21 | { |
omatthews | 7:59ece353eea2 | 22 | //This class provides the interface through which each heater can be controlled |
omatthews | 0:4e33cc8171f4 | 23 | public: |
omatthews | 0:4e33cc8171f4 | 24 | /** Constructor |
omatthews | 26:f6c98b05ee85 | 25 | * @param thermal passes in all the information needed for the heater |
omatthews | 18:f5d26d3d532f | 26 | **/ |
omatthews | 26:f6c98b05ee85 | 27 | Heater(const memspcr_ThermalConfiguration & ); |
omatthews | 0:4e33cc8171f4 | 28 | |
omatthews | 0:4e33cc8171f4 | 29 | //Public member functions |
omatthews | 0:4e33cc8171f4 | 30 | |
omatthews | 18:f5d26d3d532f | 31 | void read(); //Updates the resistance and error values for the heater |
omatthews | 25:09a315a59956 | 32 | void update(); //Holds R_ref for hold_time miliseconds |
omatthews | 18:f5d26d3d532f | 33 | void ramp_R(const int ramp_time, const float R_final, const float R_start); //Ramps for ramp_time miliseconds from R_start to R_final |
omatthews | 26:f6c98b05ee85 | 34 | void log() const; //Prints the current state of the heater |
omatthews | 18:f5d26d3d532f | 35 | void turn_on(); //Turns the heater on |
omatthews | 18:f5d26d3d532f | 36 | void turn_off(); //Turns the heater off |
omatthews | 7:59ece353eea2 | 37 | |
omatthews | 18:f5d26d3d532f | 38 | |
omatthews | 25:09a315a59956 | 39 | |
omatthews | 1:4435d407d827 | 40 | |
omatthews | 1:4435d407d827 | 41 | |
omatthews | 2:7f15386fcc90 | 42 | |
omatthews | 2:7f15386fcc90 | 43 | //Getters and setters |
omatthews | 25:09a315a59956 | 44 | void Set_ref(float R); |
omatthews | 15:e7838491c104 | 45 | void Set_D(float D); |
omatthews | 18:f5d26d3d532f | 46 | int Get_i() const; |
omatthews | 18:f5d26d3d532f | 47 | int Get_v() const; |
omatthews | 18:f5d26d3d532f | 48 | float Get_R() const; |
omatthews | 7:59ece353eea2 | 49 | |
omatthews | 0:4e33cc8171f4 | 50 | |
omatthews | 18:f5d26d3d532f | 51 | |
omatthews | 0:4e33cc8171f4 | 52 | |
omatthews | 0:4e33cc8171f4 | 53 | |
omatthews | 0:4e33cc8171f4 | 54 | |
omatthews | 0:4e33cc8171f4 | 55 | protected: |
omatthews | 0:4e33cc8171f4 | 56 | |
omatthews | 26:f6c98b05ee85 | 57 | const memspcr_ThermalConfiguration thermal; |
omatthews | 18:f5d26d3d532f | 58 | int curr; //Latest current reading from ADC |
omatthews | 18:f5d26d3d532f | 59 | int v; //Latest voltage reading from ADC |
omatthews | 18:f5d26d3d532f | 60 | float R; //Latest resistance calculated from ADC current and voltage |
omatthews | 18:f5d26d3d532f | 61 | float R_ref; //Current referance for resistance |
omatthews | 18:f5d26d3d532f | 62 | float error; //R_ref - R |
omatthews | 18:f5d26d3d532f | 63 | float error_integrated; //Integrated error |
omatthews | 1:4435d407d827 | 64 | |
omatthews | 26:f6c98b05ee85 | 65 | int i_port; //ADC port which corresponds to current measurements |
omatthews | 26:f6c98b05ee85 | 66 | int v_port; //ADC port which corresponds to voltage measurements |
omatthews | 18:f5d26d3d532f | 67 | FastPWM * drive; //Pointer to the driver |
omatthews | 20:2d34a03ae57e | 68 | FastPWM * guard; //Pointer to the guard |
omatthews | 16:cd837b230b09 | 69 | |
omatthews | 7:59ece353eea2 | 70 | //Heater correlations give temperature for a given resistance (assume linear relationship) |
omatthews | 25:09a315a59956 | 71 | int log_count; |
omatthews | 0:4e33cc8171f4 | 72 | |
omatthews | 0:4e33cc8171f4 | 73 | }; |
omatthews | 0:4e33cc8171f4 | 74 | |
omatthews | 19:fccdd7127f94 | 75 | #endif |