schedule_calcs.hpp File Reference

#include "scheduler.h"
#include "crankMaths.h"
#include "maths.h"
#include "timers.h"

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Classes
struct	injectorAngleCalcCache

Functions
static uint16_t	_calculateOpenAngle (FuelSchedule &schedule, uint16_t pwDegrees, uint16_t injAngle)
	Compute the injector open angle for an injection channel.
static uint16_t	updatePwAngleCache (uint16_t pw, injectorAngleCalcCache *pCache)
static FORCE_INLINE uint32_t	_calculateAngularTime (const Schedule &schedule, uint16_t eventAngle, uint16_t crankAngle, uint16_t maxAngle)
static FORCE_INLINE uint16_t	_adjustToTDC (int16_t angle, uint16_t angleOffset, uint16_t maxAngle)
static FORCE_INLINE uint32_t	_calculateAngularTime (const Schedule &schedule, uint16_t angleOffset, uint16_t eventAngle, uint16_t crankAngle, uint16_t maxAngle)
static uint32_t	calculateInjectorTimeout (const FuelSchedule &schedule, int16_t crankAngle, uint16_t openAngle)
	Calculate the time in uS from now to when the injector should be opened.
static int16_t	_calculateSparkAngle (const IgnitionSchedule &schedule, int8_t advance)
static int16_t	_calculateCoilChargeAngle (uint16_t dwellAngle, int16_t dischargeAngle)
static void	calculateIgnitionAngles (IgnitionSchedule &schedule, uint16_t dwellAngle, int8_t advance)
static void	calculateIgnitionTrailingRotary (IgnitionSchedule &leading, uint16_t dwellAngle, int16_t rotarySplitDegrees, IgnitionSchedule &trailing)
static uint32_t	_calculateIgnitionTimeout (const IgnitionSchedule &schedule, int16_t crankAngle)
static void	adjustCrankAngle (IgnitionSchedule &schedule, int16_t crankAngle)
	Adjust the crank angle used to originally set the schedule.

Function Documentation

_adjustToTDC()

static FORCE_INLINE uint16_t _adjustToTDC ( int16_t  angle, uint16_t  angleOffset, uint16_t  maxAngle  )

static

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_calculateAngularTime() [1/2]

static FORCE_INLINE uint32_t _calculateAngularTime ( const Schedule &  schedule, uint16_t  angleOffset, uint16_t  eventAngle, uint16_t  crankAngle, uint16_t  maxAngle  )

static

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_calculateAngularTime() [2/2]

static FORCE_INLINE uint32_t _calculateAngularTime ( const Schedule &  schedule, uint16_t  eventAngle, uint16_t  crankAngle, uint16_t  maxAngle  )

static

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_calculateCoilChargeAngle()

static int16_t _calculateCoilChargeAngle ( uint16_t  dwellAngle, int16_t  dischargeAngle  )

inlinestatic

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_calculateIgnitionTimeout()

static uint32_t _calculateIgnitionTimeout ( const IgnitionSchedule &  schedule, int16_t  crankAngle  )

inlinestatic

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_calculateOpenAngle()

static uint16_t _calculateOpenAngle ( FuelSchedule &  schedule, uint16_t  pwDegrees, uint16_t  injAngle  )

inlinestatic

Compute the injector open angle for an injection channel.

Parameters

pwDegrees	How many crank degrees the calculated PW will take at the current speed
tdcOffset	The number of crank degrees until cylinder is at TDC (at rest)
injAngle	The requested injection angle

Returns

uint16_t

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_calculateSparkAngle()

static int16_t _calculateSparkAngle ( const IgnitionSchedule &  schedule, int8_t  advance  )

inlinestatic

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adjustCrankAngle()

static void adjustCrankAngle ( IgnitionSchedule &  schedule, int16_t  crankAngle  )

inlinestatic

Adjust the crank angle used to originally set the schedule.

The assumption here is that we have a more accurate crank angle than was originally passed to calculateIgnitionTimeout. So we can increase the spark accuracy

Parameters

schedule	The schedule to modify
crankAngle	The new crank angle in degrees

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calculateIgnitionAngles()

static void calculateIgnitionAngles ( IgnitionSchedule &  schedule, uint16_t  dwellAngle, int8_t  advance  )

inlinestatic

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calculateIgnitionTrailingRotary()

static void calculateIgnitionTrailingRotary ( IgnitionSchedule &  leading, uint16_t  dwellAngle, int16_t  rotarySplitDegrees, IgnitionSchedule &  trailing  )

inlinestatic

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calculateInjectorTimeout()

static uint32_t calculateInjectorTimeout ( const FuelSchedule &  schedule, int16_t  crankAngle, uint16_t  openAngle  )

inlinestatic

Calculate the time in uS from now to when the injector should be opened.

Parameters

schedule	The ignition channel
openAngle	The angle at which to open the injector
crankAngle	The current crank angle

Returns

uint32_t

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updatePwAngleCache()

static uint16_t updatePwAngleCache ( uint16_t  pw, injectorAngleCalcCache *  pCache  )

inlinestatic

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