Brewery/Arduino-PID-Library
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Version 1.2

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-Added capability for Proportional On Measurement
-Changed license from GPLv3 to MIT
This commit is contained in:
Brett
2017-06-19 16:29:36 -07:00
parent 5adeed52b0
commit 5cefbae8e5
6 changed files with 135 additions and 58 deletions
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22
PID_v1.h
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@ -13,8 +13,14 @@ class PID
#define MANUAL 0
#define DIRECT 0
#define REVERSE 1
#define P_ON_M 0
#define P_ON_E 1
//commonly used functions **************************************************************************
PID(double*, double*, double*, // * constructor. links the PID to the Input, Output, and
double, double, double, int, int);// Setpoint. Initial tuning parameters are also set here.
// (overload for specifying proportional mode)
PID(double*, double*, double*, // * constructor. links the PID to the Input, Output, and
double, double, double, int); // Setpoint. Initial tuning parameters are also set here
@ -25,16 +31,19 @@ class PID
// calculation frequency can be set using SetMode
// SetSampleTime respectively
void SetOutputLimits(double, double); //clamps the output to a specific range. 0-255 by default, but
//it's likely the user will want to change this depending on
//the application
void SetOutputLimits(double, double); // * clamps the output to a specific range. 0-255 by default, but
// it's likely the user will want to change this depending on
// the application
//available but not commonly used functions ********************************************************
void SetTunings(double, double, // * While most users will set the tunings once in the
double); // constructor, this function gives the user the option
double); // constructor, this function gives the user the option
// of changing tunings during runtime for Adaptive control
void SetTunings(double, double, // * overload for specifying proportional mode
double, int);
void SetControllerDirection(int); // * Sets the Direction, or "Action" of the controller. DIRECT
// means the output will increase when error is positive. REVERSE
// means the opposite. it's very unlikely that this will be needed
@ -63,6 +72,7 @@ class PID
double kd; // * (D)erivative Tuning Parameter
int controllerDirection;
int pOn;
double *myInput; // * Pointers to the Input, Output, and Setpoint variables
double *myOutput; // This creates a hard link between the variables and the
@ -70,11 +80,11 @@ class PID
// what these values are. with pointers we'll just know.
unsigned long lastTime;
double ITerm, lastInput;
double outputSum, lastInput;
unsigned long SampleTime;
double outMin, outMax;
bool inAuto;
bool inAuto, pOnE;
};
#endif