MitsiAndMazda-CAS-4and1.h

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/* FreeEMS - the open source engine management system
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 * Copyright 2011-2014 Fred Cooke
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/** @file
 *
 * @ingroup allHeaders
 * @ingroup enginePositionRPMDecoders
 *
 * @brief Unique MitsiCAS-4and1 setup data and variables
 */


#define DECODER_MAX_CODE_TIME    150 // To be optimised (shortened)!
#define NUMBER_OF_REAL_EVENTS     10
#define NUMBER_OF_VIRTUAL_EVENTS  10


#include "../../inc/freeEMS.h"
#include "../../inc/utils.h"
#include "../../inc/interrupts.h"
#include "../../inc/decoderInterface.h"


// Variables unique to this decoder, should be kept to a minimum!
static unsigned short edgeTimeStamp; /// @todo TODO why is this here, and why is it static/shared, investigate
static LongTime timeStamp; /// @todo TODO why is this here, and why is it static/shared, investigate
unsigned char unknownLeadingEdges = 0;


// Event angle setup via defines to minimise the opportunity for human error when changing values
#define OuterSlotAngle ANGLE( 69.74) // BUT 69 is too high, and 68 is even more too low = need to refactor to specify these angles accurately enough for perfect RPM/scheduling
#define InnerSlotAngle ANGLE(140.00) // WAS 138 // WAS 139 // WAS 137 // Speculation: 140? Close to it... ignore my affection for round numbers... :-) HA! I was close to right this time, the other was right first guess and wants to be a little lower.

// Outer slot fixed events - these are, by definition, correct!
#define E0 ANGLE(  0)
#define E2 ANGLE(180)
#define E4 ANGLE(360)
#define E7 ANGLE(540)

// These are offset from the fixed ones by the angle of the slot
#define E1 (E0 + OuterSlotAngle)
#define E3 (E2 + OuterSlotAngle)
#define E5 (E4 + OuterSlotAngle)
#define E8 (E7 + OuterSlotAngle)

// Inner slot events
#define E6 ANGLE(525.50) // WAS 527 // WAS 526 // Start position measured, just like outer on/off duty.
#define E9 (E6 + InnerSlotAngle)


// Definitions of decoder interface constants
const unsigned short eventAngles[] = {E0, E1, E2, E3, E4, E5, E6, E7, E8, E9}; // needs to be shared with other decoders, defined here and referenced by the scheduler or similar
const unsigned char eventValidForCrankSync[] = {1,1,1,1,1,1,0,1,1,0}; // Unused for now, but correct anyway.