Cédric Sylvestre / Mbed 2 deprecated PIDHeater82

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Dependencies:   PID mbed millis ttmath

Fork of PIDHeater by FRDM-K64F Code Share

PIDHeater.h@0:8b77aea74642, 2016-01-25 (annotated)

Committer:
unix_guru
Date:
Mon Jan 25 22:38:30 2016 +0000
Revision:
0:8b77aea74642
Extruder/Heated Bed controller for the FRDM-K64F

Who changed what in which revision?

UserRevisionLine numberNew contents of line
unix_guru 0:8b77aea74642 1 #ifndef PID_HEATER_H
unix_guru 0:8b77aea74642 2 #define PID_HEATER_H
unix_guru 0:8b77aea74642 3
unix_guru 0:8b77aea74642 4 #include "mbed.h"
unix_guru 0:8b77aea74642 5
unix_guru 0:8b77aea74642 6 #include "PID.h"
unix_guru 0:8b77aea74642 7 // These values were borrowed from Marlin Firmware defaults
unix_guru 0:8b77aea74642 8 #define DEFAULT_Kp 17.52
unix_guru 0:8b77aea74642 9 #define DEFAULT_Ki 0.62
unix_guru 0:8b77aea74642 10 #define DEFAULT_Kd 123.43
unix_guru 0:8b77aea74642 11
unix_guru 0:8b77aea74642 12
unix_guru 0:8b77aea74642 13 /** A simple class for temperature control of a heater element using PID
unix_guru 0:8b77aea74642 14 * a heater driven via PWM digital output and one analog temperature sensor.
unix_guru 0:8b77aea74642 15 *
unix_guru 0:8b77aea74642 16 * Author(s): Michael Ball unix_guru@hotmail.com
unix_guru 0:8b77aea74642 17 *
unix_guru 0:8b77aea74642 18 */
unix_guru 0:8b77aea74642 19 class PIDHeater{
unix_guru 0:8b77aea74642 20 public:
unix_guru 0:8b77aea74642 21 /** Constructor receives pin names of the temperature sensor and
unix_guru 0:8b77aea74642 22 * the DigitalOut pin to which the heater driver is connected. */
unix_guru 0:8b77aea74642 23 PIDHeater(PinName sensorPin, PinName digitalOutPin);
unix_guru 0:8b77aea74642 24 /** Set the temperature range of the sensor. */
unix_guru 0:8b77aea74642 25 void configureRange(float minTemperature, float maxTemperature);
unix_guru 0:8b77aea74642 26 /** Read the current room temperature from the sensor. */
unix_guru 0:8b77aea74642 27 float getTemperature();
unix_guru 0:8b77aea74642 28 /** Test if the heater in turned ON. */
unix_guru 0:8b77aea74642 29 bool isHeaterOn();
unix_guru 0:8b77aea74642 30 /** Set the desired room temperature. */
unix_guru 0:8b77aea74642 31 void setTemperature(float temp);
unix_guru 0:8b77aea74642 32 /** Attach run process to a timer */
unix_guru 0:8b77aea74642 33 void run();
unix_guru 0:8b77aea74642 34
unix_guru 0:8b77aea74642 35 private:
unix_guru 0:8b77aea74642 36 AnalogIn thermistor;
unix_guru 0:8b77aea74642 37 DigitalOut driver;
unix_guru 0:8b77aea74642 38 Ticker ticker;
unix_guru 0:8b77aea74642 39 bool heaterOn;
unix_guru 0:8b77aea74642 40 float currentTemp, desiredTemp, minTemp, maxTemp, hysteresis, pwmValue;
unix_guru 0:8b77aea74642 41 };
unix_guru 0:8b77aea74642 42
unix_guru 0:8b77aea74642 43 #endif // HEATER_H