crankMaths.h

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#ifndef CRANKMATHS_H
#define CRANKMATHS_H
 
#include "maths.h"
#include "globals.h"
 
static constexpr uint32_t MICROS_PER_DEG_1_RPM = UDIV_ROUND_CLOSEST(MICROS_PER_MIN, 360UL, uint32_t);
 
static constexpr uint16_t MAX_RPM = 18000U;
 
static constexpr uint16_t MIN_RPM = (uint16_t)UDIV_ROUND_UP(MICROS_PER_DEG_1_RPM, (uint32_t)UINT16_MAX/16UL, uint32_t);
 
static constexpr uint16_t MIN_REVOLUTION_TIME = MICROS_PER_MIN/MAX_RPM;
 
static constexpr uint32_t MAX_REVOLUTION_TIME = MICROS_PER_MIN/MIN_RPM;
 
static inline int16_t ignitionLimits(int16_t angle) {
    return nudge(0, CRANK_ANGLE_MAX_IGN-1, angle, CRANK_ANGLE_MAX_IGN);
}
 
static inline int16_t injectorLimits(int16_t angle)
{
    int16_t tempAngle = angle;
    if(tempAngle < 0) { tempAngle = tempAngle + CRANK_ANGLE_MAX_INJ; }
    while(tempAngle > CRANK_ANGLE_MAX_INJ ) { tempAngle -= CRANK_ANGLE_MAX_INJ; }
    return tempAngle;
}
 
void setAngleConverterRevolutionTime(uint32_t revolutionTime);
 
uint32_t angleToTimeMicroSecPerDegree(uint16_t angle);
 
COMPARE_TYPE angleToTimerTicks(uint16_t angle);
 
uint16_t timeToAngleDegPerMicroSec(uint32_t time);
 
#endif