speeduino/speeduino/crankMaths.h

26 lines
1.2 KiB
C

#ifndef CRANKMATHS_H
#define CRANKMATHS_H
#define CRANKMATH_METHOD_INTERVAL_DEFAULT 0
#define CRANKMATH_METHOD_INTERVAL_REV 1
#define CRANKMATH_METHOD_INTERVAL_TOOTH 2
#define CRANKMATH_METHOD_ALPHA_BETA 3
#define CRANKMATH_METHOD_2ND_DERIVATIVE 4
//#define fastDegreesToUS(targetDegrees) ((targetDegrees) * (unsigned long)timePerDegree)
#define fastDegreesToUS(targetDegrees) (((targetDegrees) * (unsigned long)timePerDegreex16) >> 4)
/*#define fastTimeToAngle(time) (((unsigned long)time * degreesPeruSx2048) / 2048) */ //Divide by 2048 will be converted at compile time to bitshift
#define fastTimeToAngle(time) (((unsigned long)(time) * degreesPeruSx32768) / 32768) //Divide by 32768 will be converted at compile time to bitshift
#define ignitionLimits(angle) ( (((int16_t)(angle)) >= CRANK_ANGLE_MAX_IGN) ? ((angle) - CRANK_ANGLE_MAX_IGN) : ( ((int16_t)(angle) < 0) ? ((angle) + CRANK_ANGLE_MAX_IGN) : (angle)) )
unsigned long angleToTime(int16_t, byte);
uint16_t timeToAngle(unsigned long, byte);
void doCrankSpeedCalcs();
extern volatile uint16_t timePerDegree;
extern volatile uint16_t timePerDegreex16;
extern volatile unsigned long degreesPeruSx32768;
#endif