Brewery/Arduino-PID-Library
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Function should start with a capital letter to match the style of the existing functions

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This commit is contained in:
Kristian Sloth Lauszus
2013-07-19 17:00:53 +02:00
parent 6231da4cf9
commit e48e87eede
2 changed files with 10 additions and 10 deletions
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16
PID_v1/PID_v1.cpp
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@ -34,7 +34,7 @@ PID::PID(double* Input, double* Output, double* Setpoint,
PID::SetControllerDirection(ControllerDirection); PID::SetControllerDirection(ControllerDirection);
PID::SetTunings(Kp, Ki, Kd); PID::SetTunings(Kp, Ki, Kd);
PID::setResolution(MILLIS); // Use a resolution of milliseconds by default PID::SetResolution(MILLIS); // Use a resolution of milliseconds by default
} }
@ -47,7 +47,7 @@ PID::PID(double* Input, double* Output, double* Setpoint,
bool PID::Compute() bool PID::Compute()
{ {
if(!inAuto) return false; if(!inAuto) return false;
unsigned long now = PID::getTime(); unsigned long now = PID::GetTime();
timeChange = (now - lastTime); timeChange = (now - lastTime);
if(SampleTime == 0 || timeChange>=SampleTime) if(SampleTime == 0 || timeChange>=SampleTime)
{ {
@ -203,27 +203,27 @@ void PID::SetControllerDirection(int Direction)
controllerDirection = Direction; controllerDirection = Direction;
} }
/* getTime()******************************************************************* /* GetTime()*******************************************************************
* Will get the current time either by using millis() or micros() * Will get the current time either by using millis() or micros()
******************************************************************************/ ******************************************************************************/
unsigned long PID::getTime() unsigned long PID::GetTime()
{ {
if (secondsDivider == 1000.0) return millis(); if (secondsDivider == 1000.0) return millis();
return micros(); return micros();
} }
/* setResolution(...)********************************************************** /* SetResolution(...)**********************************************************
* Will set the resolution of getTime(). * Will set the resolution of GetTime().
* MILLIS will set the resolution to milliseconds while * MILLIS will set the resolution to milliseconds while
* MICROS will set the resolution to microseconds. * MICROS will set the resolution to microseconds.
******************************************************************************/ ******************************************************************************/
void PID::setResolution(int resolution) void PID::SetResolution(int resolution)
{ {
if (resolution == MILLIS) if (resolution == MILLIS)
secondsDivider = 1000.0; secondsDivider = 1000.0;
else else
secondsDivider = 1000000.0; secondsDivider = 1000000.0;
lastTime = PID::getTime()-SampleTime; // Update last time variable lastTime = PID::GetTime()-SampleTime; // Update last time variable
} }
/* Status Funcions************************************************************* /* Status Funcions*************************************************************

4
PID_v1/PID_v1.h
View File

@ -43,7 +43,7 @@ class PID
// once it is set in the constructor. // once it is set in the constructor.
void SetSampleTime(int); // * sets the frequency, in Milliseconds, with which void SetSampleTime(int); // * sets the frequency, in Milliseconds, with which
// the PID calculation is performed. default is 100 // the PID calculation is performed. default is 100
void setResolution(int); // * Set the resolution of the getTime() function. void SetResolution(int); // * Set the resolution of the GetTime() function.
// MILLIS sets the resolution to milliseconds. // MILLIS sets the resolution to milliseconds.
// MICROS sets the resolution to microseconds. // MICROS sets the resolution to microseconds.
@ -58,7 +58,7 @@ class PID
private: private:
void Initialize(); void Initialize();
unsigned long getTime(); // * This will call either millis() or micros() unsigned long GetTime(); // * This will call either millis() or micros()
// depending on the used resolution. // depending on the used resolution.
double dispKp; // * we'll hold on to the tuning parameters in user-entered double dispKp; // * we'll hold on to the tuning parameters in user-entered