sensors.h File Reference

#include "globals.h"

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Macros
#define	ADCFILTER_TPS_DEFAULT   50U
#define	ADCFILTER_CLT_DEFAULT   180U
#define	ADCFILTER_IAT_DEFAULT   180U
#define	ADCFILTER_O2_DEFAULT   128U
#define	ADCFILTER_BAT_DEFAULT   128U
#define	ADCFILTER_MAP_DEFAULT   20U
#define	ADCFILTER_BARO_DEFAULT   64U
#define	ADCFILTER_PSI_DEFAULT   150U
#define	FILTER_FLEX_DEFAULT   75U
#define	VSS_GEAR_HYSTERESIS   10U
#define	VSS_SAMPLES   4U
#define	READ_FLEX()   digitalRead(pinFlex)
#define	BIT_SENSORS_AUX_ENBL   0
#define	BIT_SENSORS_BARO_SAVED   1
#define	BIT_SENSORS_UNUSED2   2
#define	BIT_SENSORS_UNUSED3   3
#define	BIT_SENSORS_UNUSED4   4
#define	BIT_SENSORS_UNUSED5   5
#define	BIT_SENSORS_UNUSED6   6
#define	BIT_SENSORS_UNUSED7   7
#define	TPS_READ_FREQUENCY   30
#define	CLT_READ_TIMER_BIT   BIT_TIMER_4HZ
	Define the TPS sensor read frequency.
#define	IAT_READ_TIMER_BIT   BIT_TIMER_4HZ
	Define the IAT sensor read frequency.
#define	O2_READ_TIMER_BIT   BIT_TIMER_30HZ
	Define the O2 sensor read frequency.
#define	BAT_READ_TIMER_BIT   BIT_TIMER_4HZ
	Define the battery sensor read frequency.
#define	BARO_READ_TIMER_BIT   BIT_TIMER_1HZ
	Define the baro sensor read frequency.
#define	MAP_READ_TIMER_BIT   BIT_TIMER_1KHZ
	Define the MAP sensor read frequency.

Functions
void	initialiseADC (void)
void	flexPulse (void)
void	knockPulse (void)
uint32_t	vssGetPulseGap (byte toothHistoryIndex)
	Returns the VSS pulse gap for a given history point.
void	vssPulse (void)
	The ISR function for VSS pulses.
uint16_t	readAuxanalog (uint8_t analogPin)
uint16_t	readAuxdigital (uint8_t digitalPin)
void	initialiseTPS (void)
	Initial reading of the TPS sensor, primarily to detect flood clear state.
void	initialiseCLT (void)
	Initial reading of the coolant sensor, primarily to make sure the priming pulsewidth is correct.
void	readPolledSensors (byte loopTimer)
	Read the sensors that are polled at every loop. This includes the TPS, MAP, CLT, IAT and O2 sensors.
void	initialiseMAPBaro (void)
	Initialize the MAP calculation & Baro values.
void	resetMAPcycleAndEvent (void)
uint8_t	getAnalogKnock (void)
int16_t	getMAPDelta (void)
	Get the MAP change between the last 2 readings.
uint32_t	getMAPDeltaTime (void)
	Get the time in µS between the last 2 MAP readings.

Variables
volatile byte	flexCounter
volatile uint32_t	flexPulseWidth
uint8_t	statusSensors
table2D_u16_u16_32	cltCalibrationTable
table2D_u16_u16_32	iatCalibrationTable
table2D_u16_u8_32	o2CalibrationTable

Macro Definition Documentation

ADCFILTER_BARO_DEFAULT

#define ADCFILTER_BARO_DEFAULT   64U

ADCFILTER_BAT_DEFAULT

#define ADCFILTER_BAT_DEFAULT   128U

ADCFILTER_CLT_DEFAULT

#define ADCFILTER_CLT_DEFAULT   180U

ADCFILTER_IAT_DEFAULT

#define ADCFILTER_IAT_DEFAULT   180U

ADCFILTER_MAP_DEFAULT

#define ADCFILTER_MAP_DEFAULT   20U

ADCFILTER_O2_DEFAULT

#define ADCFILTER_O2_DEFAULT   128U

ADCFILTER_PSI_DEFAULT

#define ADCFILTER_PSI_DEFAULT   150U

ADCFILTER_TPS_DEFAULT

#define ADCFILTER_TPS_DEFAULT   50U

BARO_READ_TIMER_BIT

#define BARO_READ_TIMER_BIT   BIT_TIMER_1HZ

Define the baro sensor read frequency.

BAT_READ_TIMER_BIT

#define BAT_READ_TIMER_BIT   BIT_TIMER_4HZ

Define the battery sensor read frequency.

BIT_SENSORS_AUX_ENBL

#define BIT_SENSORS_AUX_ENBL   0

BIT_SENSORS_BARO_SAVED

#define BIT_SENSORS_BARO_SAVED   1

BIT_SENSORS_UNUSED2

#define BIT_SENSORS_UNUSED2   2

BIT_SENSORS_UNUSED3

#define BIT_SENSORS_UNUSED3   3

BIT_SENSORS_UNUSED4

#define BIT_SENSORS_UNUSED4   4

BIT_SENSORS_UNUSED5

#define BIT_SENSORS_UNUSED5   5

BIT_SENSORS_UNUSED6

#define BIT_SENSORS_UNUSED6   6

BIT_SENSORS_UNUSED7

#define BIT_SENSORS_UNUSED7   7

CLT_READ_TIMER_BIT

#define CLT_READ_TIMER_BIT   BIT_TIMER_4HZ

Define the TPS sensor read frequency.

Define the coolant sensor read frequency.

FILTER_FLEX_DEFAULT

#define FILTER_FLEX_DEFAULT   75U

IAT_READ_TIMER_BIT

#define IAT_READ_TIMER_BIT   BIT_TIMER_4HZ

Define the IAT sensor read frequency.

MAP_READ_TIMER_BIT

#define MAP_READ_TIMER_BIT   BIT_TIMER_1KHZ

Define the MAP sensor read frequency.

O2_READ_TIMER_BIT

#define O2_READ_TIMER_BIT   BIT_TIMER_30HZ

Define the O2 sensor read frequency.

READ_FLEX

#define READ_FLEX

(

)

digitalRead(pinFlex)

TPS_READ_FREQUENCY

#define TPS_READ_FREQUENCY   30

VSS_GEAR_HYSTERESIS

#define VSS_GEAR_HYSTERESIS   10U

VSS_SAMPLES

#define VSS_SAMPLES   4U

Function Documentation

flexPulse()

void flexPulse

(

void

)

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getAnalogKnock()

uint8_t getAnalogKnock

(

void

)

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getMAPDelta()

int16_t getMAPDelta

(

void

)

Get the MAP change between the last 2 readings.

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getMAPDeltaTime()

uint32_t getMAPDeltaTime

(

void

)

Get the time in µS between the last 2 MAP readings.

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initialiseADC()

void initialiseADC

(

void

)

Init all ADC conversions by setting resolutions, etc.

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initialiseCLT()

void initialiseCLT

(

void

)

Initial reading of the coolant sensor, primarily to make sure the priming pulsewidth is correct.

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initialiseMAPBaro()

void initialiseMAPBaro

(

void

)

Initialize the MAP calculation & Baro values.

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initialiseTPS()

void initialiseTPS

(

void

)

Initial reading of the TPS sensor, primarily to detect flood clear state.

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knockPulse()

void knockPulse

(

void

)

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readAuxanalog()

uint16_t readAuxanalog

(

uint8_t

analogPin

)

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readAuxdigital()

uint16_t readAuxdigital

(

uint8_t

digitalPin

)

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readPolledSensors()

void readPolledSensors

(

byte

loopTimer

)

Read the sensors that are polled at every loop. This includes the TPS, MAP, CLT, IAT and O2 sensors.

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resetMAPcycleAndEvent()

void resetMAPcycleAndEvent

(

void

)

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vssGetPulseGap()

uint32_t vssGetPulseGap

(

uint8_t

historyIndex

)

Returns the VSS pulse gap for a given history point.

Parameters

historyIndex

The gap number that is wanted. EG: historyIndex = 0 = Latest entry historyIndex = 1 = 2nd entry entry

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vssPulse()

void vssPulse

(

void

)

The ISR function for VSS pulses.

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Variable Documentation

cltCalibrationTable

table2D_u16_u16_32 cltCalibrationTable

extern

flexCounter

volatile byte flexCounter

extern

flexPulseWidth

volatile uint32_t flexPulseWidth

extern

iatCalibrationTable

table2D_u16_u16_32 iatCalibrationTable

extern

o2CalibrationTable

table2D_u16_u8_32 o2CalibrationTable

extern

statusSensors

uint8_t statusSensors

extern