trigger_mazda.cpp

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/**
 * @file    trigger_mazda.cpp
 *
 * @date Feb 18, 2014
 * @author Andrey Belomutskiy, (c) 2012-2020
 *
 * This file is part of rusEfi - see http://rusefi.com
 *
 * rusEfi is free software; you can redistribute it and/or modify it under the terms of
 * the GNU General Public License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * rusEfi is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program.
 * If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "pch.h"
 
#include "trigger_mazda.h"
 
#define NB_CRANK_MAGIC 70
 
void initializeMazdaMiataNaShape(TriggerWaveform *s) {
    s->initialize(FOUR_STROKE_CAM_SENSOR, SyncEdge::Both);
    s->isSecondWheelCam = true;
 
    // nominal gap is 0.325
    s->setTriggerSynchronizationGap2(0.1, 0.5);
    // nominal gap is ~1.52
    s->setSecondTriggerSynchronizationGap2(0.5, 2.3);
 
    s->tdcPosition = 5.181;
 
    /**
     * http://rusefi.com/forum/viewtopic.php?f=3&t=729&p=12983#p12983
     */
    s->addEvent720(52.960405, TriggerValue::RISE, TriggerWheel::T_SECONDARY);
    s->addEvent720(122.635956, TriggerValue::FALL, TriggerWheel::T_SECONDARY);
 
    s->addEvent720(216.897031, TriggerValue::RISE, TriggerWheel::T_PRIMARY);
    s->addEvent720(232.640068, TriggerValue::RISE, TriggerWheel::T_SECONDARY);
    s->addEvent720(288.819688, TriggerValue::FALL, TriggerWheel::T_PRIMARY);        // <-- This edge is the sync point
    s->addEvent720(302.646323, TriggerValue::FALL, TriggerWheel::T_SECONDARY);
 
    s->addEvent720(412.448056, TriggerValue::RISE, TriggerWheel::T_SECONDARY);
    s->addEvent720(482.816719, TriggerValue::FALL, TriggerWheel::T_SECONDARY);
 
    s->addEvent720(577.035495, TriggerValue::RISE, TriggerWheel::T_PRIMARY);
    s->addEvent720(592.878113, TriggerValue::RISE, TriggerWheel::T_SECONDARY);
    s->addEvent720(662.899708, TriggerValue::FALL, TriggerWheel::T_SECONDARY);
    s->addEvent720(720.0f, TriggerValue::FALL, TriggerWheel::T_PRIMARY);
    s->useOnlyPrimaryForSync = true;
}
 
// TT_MIATA_VVT
void initializeMazdaMiataNb2Crank(TriggerWaveform *s) {
    /**
     * Note how we use 0..180 range while defining FOUR_STROKE_SYMMETRICAL_CRANK_SENSOR trigger
     * Note that only half of the physical wheel is defined here!
     */
    s->initialize(FOUR_STROKE_SYMMETRICAL_CRANK_SENSOR, SyncEdge::RiseOnly);
 
    s->tdcPosition = 60 + 655;
 
    // Nominal gap 70/110 = 0.636
    s->setTriggerSynchronizationGap2(0.35f, 1.15f);
    // Nominal gap 110/70 = 1.571
    s->setSecondTriggerSynchronizationGap2(0.8f, 1.8f);
 
    // todo: NB2 fronts are inverted comparing to NB1, life is not perfect :(
    s->addEventAngle(180.0f - NB_CRANK_MAGIC - 4, TriggerValue::FALL, TriggerWheel::T_PRIMARY);
    s->addEventAngle(180.0f - NB_CRANK_MAGIC, TriggerValue::RISE, TriggerWheel::T_PRIMARY);
    s->addEventAngle(180.0f - 4, TriggerValue::FALL, TriggerWheel::T_PRIMARY);
    s->addEventAngle(180.0f, TriggerValue::RISE, TriggerWheel::T_PRIMARY);
}
 
static void addNBCrankTooth(TriggerWaveform *s, angle_t angle) {
    s->addToothRiseFall(angle / 2 + 2, 2, TriggerWheel::T_SECONDARY);
}
 
static void initializeMazdaMiataNb1ShapeWithOffset(TriggerWaveform *s, float offset) {
    s->initialize(FOUR_STROKE_CAM_SENSOR, SyncEdge::Fall);
    s->setTriggerSynchronizationGap3(0, 0.065, 0.17f);
    s->useOnlyPrimaryForSync = true;
 
    s->tdcPosition = 276;
 
    /**
     * cam sensor is primary, crank sensor is secondary
     */
    s->addEvent720(20.0f, TriggerValue::FALL, TriggerWheel::T_PRIMARY);
 
    addNBCrankTooth(s, offset + 66.0f);
    addNBCrankTooth(s, offset + 66.0f + NB_CRANK_MAGIC);
    addNBCrankTooth(s, offset + 66.0f + 180);
    addNBCrankTooth(s, offset + 66.0f + 180 + NB_CRANK_MAGIC);
 
    s->addEvent720(340.0f, TriggerValue::RISE, TriggerWheel::T_PRIMARY);
    s->addEvent720(360.0f, TriggerValue::FALL, TriggerWheel::T_PRIMARY);
 
    s->addEvent720(380.0f, TriggerValue::RISE, TriggerWheel::T_PRIMARY);
    s->addEvent720(400.0f, TriggerValue::FALL, TriggerWheel::T_PRIMARY);
 
    addNBCrankTooth(s, offset + 66.0f + 360);
    addNBCrankTooth(s, offset + 66.0f + 360 + NB_CRANK_MAGIC);
    addNBCrankTooth(s, offset + 66.0f + 540);
    addNBCrankTooth(s, offset + 66.0f + 540 + NB_CRANK_MAGIC);
 
    s->addEvent720(720.0f, TriggerValue::RISE, TriggerWheel::T_PRIMARY);
}
 
void initializeMazdaMiataVVtTestShape(TriggerWaveform *s) {
    initializeMazdaMiataNb1ShapeWithOffset(s, -22);
}
 
void configureMazdaProtegeSOHC(TriggerWaveform *s) {
    s->initialize(FOUR_STROKE_CAM_SENSOR, SyncEdge::Both);
 
    float z = 0.093;
    float a = 90;
    s->addToothRiseFall(a, z * 360);
 
    a += 90;
    s->addToothRiseFall(a, z * 360);
    a += 90;
    s->addToothRiseFall(a, z * 360);
    a += 90;
    s->addToothRiseFall(a, z * 360);
 
    s->isSynchronizationNeeded = false;
    s->shapeWithoutTdc = true;
}
 
void configureMazdaProtegeLx(TriggerWaveform *s) {
    s->initialize(FOUR_STROKE_CAM_SENSOR, SyncEdge::RiseOnly);
    s->isSecondWheelCam = true;
    /**
     * based on https://svn.code.sf.net/p/rusefi/code/trunk/misc/logs/1993_escort_gt/MAIN_rfi_report_2015-02-01%2017_39.csv
     */
    s->addEvent720(95.329254, TriggerValue::RISE, TriggerWheel::T_PRIMARY);
 
    s->addEvent720(95.329254 + 14.876692, TriggerValue::RISE, TriggerWheel::T_SECONDARY);
    s->addEvent720(178.022811, TriggerValue::FALL, TriggerWheel::T_SECONDARY);
 
    s->addEvent720(95.329254 + 137.119154, TriggerValue::FALL, TriggerWheel::T_PRIMARY);
 
    s->addEvent720(95.329254 + 192.378308, TriggerValue::RISE, TriggerWheel::T_SECONDARY);
    s->addEvent720(356.885672, TriggerValue::FALL, TriggerWheel::T_SECONDARY);
 
    s->addEvent720(95.329254 + 373.060597, TriggerValue::RISE, TriggerWheel::T_SECONDARY);
    s->addEvent720(538.832438, TriggerValue::FALL, TriggerWheel::T_SECONDARY);
 
    s->addEvent720(720-69.32097, TriggerValue::RISE, TriggerWheel::T_SECONDARY);
    s->addEvent720(720, TriggerValue::FALL, TriggerWheel::T_SECONDARY);
 
    s->tdcPosition = 137.119154;
    s->isSynchronizationNeeded = false;
}
 
void initializeMazdaMiataVVtCamShape(TriggerWaveform *s) {
    s->initialize(FOUR_STROKE_CAM_SENSOR, SyncEdge::RiseOnly);
 
    // Nominal gap is 8.92
    s->setTriggerSynchronizationGap2(6, 20);
    // Nominal gap is 0.128
    s->setSecondTriggerSynchronizationGap2(0.04f, 0.2f);
 
    s->addEvent720(325, TriggerValue::FALL, TriggerWheel::T_PRIMARY);
    s->addEvent720(360, TriggerValue::RISE, TriggerWheel::T_PRIMARY);
 
    s->addEvent720(641, TriggerValue::FALL, TriggerWheel::T_PRIMARY);
    s->addEvent720(679, TriggerValue::RISE, TriggerWheel::T_PRIMARY);
 
    s->addEvent720(700, TriggerValue::FALL, TriggerWheel::T_PRIMARY);
    s->addEvent720(720, TriggerValue::RISE, TriggerWheel::T_PRIMARY);
}
 
// https://rusefi.com/forum/viewtopic.php?f=17&t=2417
// Cam pattern for intake/exhaust on all Skyactiv-G (and maybe -D/-X)
void initializeMazdaSkyactivCam(TriggerWaveform *s) {
    s->initialize(FOUR_STROKE_CAM_SENSOR, SyncEdge::RiseOnly);
 
    int wide = 20;
    int narrow = 10;
 
    s->addToothRiseFall(70, wide);
    s->addToothRiseFall(90, narrow);
 
    s->addToothRiseFall(160, wide);
    s->addToothRiseFall(180, narrow);
 
    s->addToothRiseFall(270, wide);
    s->addToothRiseFall(360, wide);
 
    s->setTriggerSynchronizationGap(0.43);
    s->setSecondTriggerSynchronizationGap(0.78);
    s->setThirdTriggerSynchronizationGap(1.12); // 3rd gap is not required but let's have it for some resiliency
}
 
void initializeMazdaLCam(TriggerWaveform* s) {
    s->initialize(FOUR_STROKE_CAM_SENSOR, SyncEdge::RiseOnly);
 
    // 6 teeth:
    // 0, 60, 90, 150, 180, 270
    // Tooth at 0 is just before #1 TDC
 
    // 60
    s->addEvent360(50, TriggerValue::RISE);
    s->addEvent360(60, TriggerValue::FALL);
 
    // 90
    s->addEvent360(80, TriggerValue::RISE);
    s->addEvent360(90, TriggerValue::FALL);
 
    // 150
    s->addEvent360(140, TriggerValue::RISE);
    s->addEvent360(150, TriggerValue::FALL);
 
    // 180
    s->addEvent360(170, TriggerValue::RISE);
    s->addEvent360(180, TriggerValue::FALL);
 
    // 270
    s->addEvent360(260, TriggerValue::RISE);
    s->addEvent360(270, TriggerValue::FALL);
 
    // 0 (aka 360)
    s->addEvent360(350, TriggerValue::RISE);
    s->addEvent360(360, TriggerValue::FALL);
 
    s->setTriggerSynchronizationGap3(0, 0.32, 0.8);
    s->setTriggerSynchronizationGap3(1, 1.5, 2.5);
    s->setTriggerSynchronizationGap3(2, 0.32, 0.8);
}