31 lines
1.3 KiB
C
31 lines
1.3 KiB
C
#ifndef CRANKMATHS_H
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#define CRANKMATHS_H
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#define CRANKMATH_METHOD_INTERVAL_DEFAULT 0
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#define CRANKMATH_METHOD_INTERVAL_REV 1
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#define CRANKMATH_METHOD_INTERVAL_TOOTH 2
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#define CRANKMATH_METHOD_ALPHA_BETA 3
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#define CRANKMATH_METHOD_2ND_DERIVATIVE 4
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//#define fastDegreesToUS(targetDegrees) ((targetDegrees) * (unsigned long)timePerDegree)
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#define fastDegreesToUS(targetDegrees) (((targetDegrees) * (unsigned long)timePerDegreex16) >> 4)
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/*#define fastTimeToAngle(time) (((unsigned long)time * degreesPeruSx2048) / 2048) */ //Divide by 2048 will be converted at compile time to bitshift
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#define fastTimeToAngle(time) (((unsigned long)(time) * degreesPeruSx32768) / 32768) //Divide by 32768 will be converted at compile time to bitshift
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#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)) )
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unsigned long angleToTime(int16_t, byte);
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uint16_t timeToAngle(unsigned long, byte);
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void doCrankSpeedCalcs();
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volatile uint16_t timePerDegree;
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volatile uint16_t timePerDegreex16;
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volatile uint16_t degreesPeruSx2048;
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volatile unsigned long degreesPeruSx32768;
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//These are only part of the experimental 2nd deriv calcs
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byte deltaToothCount = 0; //The last tooth that was used with the deltaV calc
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int rpmDelta;
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#endif |