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1 | /** | |||
2 | * @file trigger_renix.cpp | |||
3 | * | |||
4 | * https://en.wikipedia.org/wiki/Renix | |||
5 | * Has something to do with AMC/Jeep | |||
6 | * | |||
7 | * @date Apr 18, 2020 | |||
8 | * @author Andrey Belomutskiy, (c) 2012-2020 | |||
9 | */ | |||
10 | ||||
11 | #include "pch.h" | |||
12 | ||||
13 | #include "trigger_renix.h" | |||
14 | ||||
15 | 2 | static void commonRenix(TriggerWaveform *s) { | ||
16 | // 44-2-2 is symmetrical so we only need to define one half | |||
17 | 2 | int count = 22; | ||
18 | 2 | float tooth = s->getCycleDuration() / count; // hint: tooth = 8.181818 degrees | ||
19 | ||||
20 | 2 | float currentAngle = 0; | ||
21 |
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42 | for (int i = 0;i < 20;i++) { |
22 | 40 | s->addEventAngle(currentAngle + tooth / 2, TriggerValue::RISE); | ||
23 | 40 | s->addEventAngle(currentAngle + tooth, TriggerValue::FALL); | ||
24 | 40 | currentAngle += tooth; | ||
25 | } | |||
26 | ||||
27 | 2 | s->addEventAngle(currentAngle + tooth, TriggerValue::RISE); | ||
28 | ||||
29 | // float math error accumulates at this point so we have to spell out 180 | |||
30 | 2 | s->addEventAngle(s->getCycleDuration(), TriggerValue::FALL); | ||
31 | 2 | } | ||
32 | ||||
33 | // TT_RENIX_44_2_2 | |||
34 | 1 | void initializeRenix44_2_2(TriggerWaveform *s) { | ||
35 | 1 | s->initialize(FOUR_STROKE_SYMMETRICAL_CRANK_SENSOR, SyncEdge::RiseOnly); | ||
36 | 1 | commonRenix(s); | ||
37 | 1 | } | ||
38 | ||||
39 | // TT_RENIX_66_2_2_2 | |||
40 | 1 | void initializeRenix66_2_2(TriggerWaveform *s) { | ||
41 | 1 | s->initialize(FOUR_STROKE_THREE_TIMES_CRANK_SENSOR, SyncEdge::RiseOnly); | ||
42 | 1 | commonRenix(s); | ||
43 | 1 | } | ||
44 | ||||
45 | // basically like the "normal" renix 22-2 pattern -> 66-2-2-2, except without the extra random tooth there in the middle. | |||
46 | // this is copied from vq35 36-2-2-2 pattern. | |||
47 | 1 | void JeepRenix66_2_2(TriggerWaveform* s, size_t halfCylinderCount, size_t totalWheel, size_t missing) { | ||
48 | ||||
49 | 1 | auto toothAngle = 360.0f / totalWheel; | ||
50 | ||||
51 | 1 | auto patternTeeth = totalWheel / halfCylinderCount; | ||
52 | 1 | auto toothCount = patternTeeth - missing; | ||
53 | ||||
54 | 1 | float currentAngle = missing * toothAngle; | ||
55 |
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21 | for (size_t i = 0; i < toothCount; i++) { |
56 | 20 | currentAngle += toothAngle; | ||
57 | 20 | s->addEventAngle(currentAngle - (toothAngle/2), TriggerValue::RISE); | ||
58 |
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20 | if (i==toothCount-1) { // last event at 120 |
59 | 1 | s->addEventAngle( s->getCycleDuration(), TriggerValue::FALL); | ||
60 | } else { | |||
61 | 19 | s->addEventAngle(currentAngle, TriggerValue::FALL); | ||
62 | } | |||
63 | } | |||
64 | 1 | } | ||
65 | ||||
66 | // TT_JEEPRENIX_66_2_2_2 | |||
67 | 1 | void initializeJeepRenix66_2_2(TriggerWaveform *s) { | ||
68 | 1 | s->initialize(FOUR_STROKE_THREE_TIMES_CRANK_SENSOR, SyncEdge::RiseOnly); | ||
69 | ||||
70 | // 6 cylinder = 66 tooth wheel, missing 2 teeth in 3 spots | |||
71 | 1 | JeepRenix66_2_2(s, 3, 66, 2); | ||
72 | 1 | s->setTriggerSynchronizationGap3(/*gapIndex*/0, 0.2, 0.5); | ||
73 | 1 | s->setTriggerSynchronizationGap3(/*gapIndex*/1, 2, 4); | ||
74 | 1 | s->setTriggerSynchronizationGap3(/*gapIndex*/2, 0.6, 1.4); | ||
75 | 1 | } | ||
76 |