?? parms.h
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#ifndef Parms_H
#define Parms_H
EXTERN float fWork;
EXTERN short iWork;
EXTERN struct {
// Required physical quantities:
int iPoles; // Number of pole pairs
int iScaleMechRPM; // 8 times nominal mechanical speed of motor (in RPM)
int iCntsPerRev; // Encoder counts per revolution as detected by the
// dsPIC quadrature configuration.
float fRotorTmConst; // Rotor time constant in sec
// Calculated from rotor inductance / rotor resistance
// Required software quantities:
float fLoopPeriod; // Basic loop period (in sec).
float fVelIrpPeriod; // Encoder velocity interrupt period (in sec).
int iIrpPerCalc; // Number of vel interrupts per velocity calculation.
// Derived quantities:
float fScaleMechRPS; // Scale mechanical speed of motor (in rev/sec)
float fScaleFluxRPS; // Scale flux speed of motor (in rev/sec)
float fScaleFluxSpeed; // Scale flux speed of motor (in radians/sec)
// Used for all speed scaling
float fScaleFluxPeriod; // Period of one revolution of flux vector (in sec)
// at Scaled speed
// Fraction of revolution per LoopTime at scaled flux velocity
float fScaleFracRevPerLoop;
long lScaleCntRate; // Encoder count rate at iScaleMechRPM
unsigned int LockTime;
long EndSpeed;
} MotorParm;
bool InitMotorParm(void);
#endif
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