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1 | /* | |||
2 | * @file dynoview.cpp | |||
3 | * | |||
4 | * @date Jan 05, 2025 | |||
5 | * @author Alexey Ershov, (c) 2012-2025 | |||
6 | */ | |||
7 | ||||
8 | #include "pch.h" | |||
9 | ||||
10 | #if EFI_DYNO_VIEW | |||
11 | #include "dynoview.h" | |||
12 | #include "fuel_math.h" | |||
13 | ||||
14 | 1172 | void DynoView::init() | ||
15 | { | |||
16 |
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1172 | if (isInitialized) { |
17 | 588 | return; | ||
18 | } | |||
19 | 584 | isInitialized = true; | ||
20 | ||||
21 | //config->dynoSaeBaro = Sensor::get(SensorType::BarometricPressure).value_or(config->dynoSaeBaro); | |||
22 | ||||
23 | 584 | wheelOverallDiameterMm = (uint16_t)((float)config->dynoCarWheelDiaInch * 25.4f + (float)config->dynoCarWheelTireWidthMm * (float)config->dynoCarWheelAspectRatio * 0.01f * 2.0f); | ||
24 | ||||
25 | 584 | saeVaporPressure = 6.1078f * pow(10.0f, (7.5f * (float)config->dynoSaeTemperatureC) / (237.3f + (float)config->dynoSaeTemperatureC)) * .02953f * ((float)config->dynoSaeRelativeHumidity / 100.0f); | ||
26 | 584 | saeBaroMmhg = 29.23f * (config->dynoSaeBaro / 100.0f); | ||
27 | 584 | saeBaroCorrectionFactor = 29.23f / (saeBaroMmhg - saeVaporPressure); | ||
28 | 584 | saeTempCorrectionFactor = pow((((float)config->dynoSaeTemperatureC + C_K_OFFSET) / 298.0f), 0.5f); | ||
29 | 584 | saeCorrectionFactor = 1.176f * (saeBaroCorrectionFactor * saeTempCorrectionFactor) - .176f; | ||
30 | ||||
31 | 584 | reset(); | ||
32 | } | |||
33 | ||||
34 | 1172 | void DynoView::update() | ||
35 | { | |||
36 | 1172 | init(); | ||
37 | ||||
38 | 1172 | float rpm = Sensor::getOrZero(SensorType::Rpm); | ||
39 | 1172 | rpm = efiRound(rpm, 1.0); | ||
40 | 1172 | int intRpm = (int)rpm; | ||
41 | ||||
42 | 1172 | float tps = Sensor::getOrZero(SensorType::Tps1); | ||
43 | ||||
44 |
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1172 | if(intRpm > 0) { |
45 | 366 | efitimeus_t timeStamp = getTimeNowUs(); | ||
46 | 366 | float timeInSec = (float)(timeStamp) / US_PER_SECOND; | ||
47 | ||||
48 | 366 | onRpm(intRpm, timeInSec, tps); | ||
49 | } | |||
50 | 1172 | } | ||
51 | ||||
52 | 784 | void DynoView::reset() | ||
53 | { | |||
54 | 784 | dynoViewPointPrev.rpm = -1; | ||
55 | 784 | dynoViewPointPrev.time = -1; | ||
56 | 784 | dynoViewPointPrev.tps = -1; | ||
57 | 784 | count = 0; | ||
58 | 784 | count_rpm = 0; | ||
59 | 784 | currentTorque = 0; | ||
60 | 784 | currentHP = 0; | ||
61 | 784 | } | ||
62 | ||||
63 | 366 | bool DynoView::onRpm(int rpm, float time, float tps) | ||
64 | { | |||
65 |
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366 | if(tps < dyno_view_tps_min_for_run || dynoViewPointPrev.tps - tps > dyno_view_tps_diff_to_reset_run) { |
66 | 200 | reset(); | ||
67 | 200 | return false; | ||
68 | } | |||
69 | ||||
70 |
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166 | if (dynoViewPointPrev.rpm > 0 && dynoViewPointPrev.time > 0) |
71 | { | |||
72 |
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162 | if(abs(rpm - prev_rpm) < 1) { |
73 | ✗ | return false; | ||
74 | } | |||
75 | 162 | prev_rpm = rpm; | ||
76 | ||||
77 | // more smoothly | |||
78 |
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162 | if((time - dynoViewPointPrev.time) < dyno_view_log_time_smooth_sec) |
79 | { | |||
80 | ✗ | return false; | ||
81 | } | |||
82 | ||||
83 | 162 | int rpmDiffSmooth = abs(rpm - dynoViewPointPrev.rpm); | ||
84 | ||||
85 |
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162 | if(rpmDiffSmooth < dyno_view_rpm_diff_smooth) { |
86 | ✗ | return false; | ||
87 | } | |||
88 | ||||
89 | 162 | DynoView::move(dyno_view_window_size_rpm, tail_rpm); | ||
90 | 162 | tail_rpm[0] = rpm; | ||
91 | ||||
92 | 162 | count_rpm++; | ||
93 | 162 | int accumulate_window_size = std::min(count_rpm, dyno_view_window_size_rpm); | ||
94 | 162 | dynoViewPoint.rpm = (int)accumulate_window(accumulate_window_size, tail_rpm); | ||
95 | ||||
96 |
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162 | if(dynoViewPoint.rpm + dyno_view_rpm_fall_to_reset_run < dynoViewPointPrev.rpm) |
97 | { | |||
98 | ✗ | reset(); | ||
99 | ✗ | return false; | ||
100 | } | |||
101 | ||||
102 | 162 | int rpmDiffStep = abs(dynoViewPoint.rpm - dynoViewPointPrev.rpm); | ||
103 | ||||
104 |
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162 | if (rpmDiffStep < config->dynoRpmStep) |
105 | { | |||
106 | 22 | return false; | ||
107 | } | |||
108 | ||||
109 | 140 | } else { | ||
110 | 4 | dynoViewPoint.rpm = rpm; | ||
111 | } | |||
112 | ||||
113 | //dynoViewPoint.rpm = rpm; | |||
114 | 144 | dynoViewPoint.time = time; | ||
115 | 144 | dynoViewPoint.tps = tps; | ||
116 | ||||
117 | 144 | dynoViewPoint.engineRps = dynoViewPoint.rpm / 60.0; | ||
118 | 144 | dynoViewPoint.axleRps = dynoViewPoint.engineRps / (config->dynoCarGearPrimaryReduction * config->dynoCarGearRatio * config->dynoCarGearFinalDrive); | ||
119 | 144 | dynoViewPoint.vMs = dynoViewPoint.axleRps * (wheelOverallDiameterMm / 1000.f) * 3.1416; | ||
120 | 144 | dynoViewPoint.mph = dynoViewPoint.vMs * 2.2369363; | ||
121 | ||||
122 |
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144 | if (dynoViewPointPrev.rpm > 0 && dynoViewPointPrev.time > 0) |
123 | { | |||
124 | 140 | dynoViewPoint.distanceM = ((dynoViewPoint.vMs + dynoViewPointPrev.vMs) / 2.0) * (dynoViewPoint.time - dynoViewPointPrev.time); | ||
125 | 140 | dynoViewPoint.aMs2 = (dynoViewPoint.vMs - dynoViewPointPrev.vMs) / (dynoViewPoint.time - dynoViewPointPrev.time); | ||
126 |
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140 | if(dynoViewPoint.aMs2 < 0) { |
127 | ✗ | dynoViewPoint.aMs2 = 0; | ||
128 | } | |||
129 | 140 | dynoViewPoint.forceN = (config->dynoCarCargoMassKg + config->dynoCarCarMassKg) * dynoViewPoint.aMs2; | ||
130 | 140 | dynoViewPoint.forceDragN = 0.5 * airDensityKgM3 * (dynoViewPoint.vMs * dynoViewPoint.vMs) * config->dynoCarFrontalAreaM2 * config->dynoCarCoeffOfDrag; | ||
131 | ||||
132 | 140 | dynoViewPoint.forceDragN = dynoViewPoint.forceDragN * saeCorrectionFactor; | ||
133 | ||||
134 | 140 | dynoViewPoint.forceTotalN = dynoViewPoint.forceN + dynoViewPoint.forceDragN; | ||
135 | 140 | dynoViewPoint.torqueWheelNm = dynoViewPoint.forceTotalN * ((wheelOverallDiameterMm / 2.0) / 1000.0); | ||
136 | 140 | dynoViewPoint.torqueNm = dynoViewPoint.torqueWheelNm / (config->dynoCarGearPrimaryReduction * config->dynoCarGearRatio * config->dynoCarGearFinalDrive); | ||
137 | 140 | dynoViewPoint.torqueLbFt = dynoViewPoint.torqueNm * 0.737562; | ||
138 | 140 | dynoViewPoint.hp = dynoViewPoint.torqueLbFt * dynoViewPoint.rpm / 5252.0; | ||
139 | ||||
140 | 140 | DynoView::move(dyno_view_window_size, tail_hp); | ||
141 | 140 | DynoView::move(dyno_view_window_size, tail_torque); | ||
142 | ||||
143 | 140 | tail_torque[0] = dynoViewPoint.torqueNm; | ||
144 | 140 | tail_hp[0] = dynoViewPoint.hp; | ||
145 | ||||
146 |
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140 | if(count < dyno_view_window_size) { |
147 | 28 | ++count; | ||
148 | } | |||
149 | ||||
150 | 140 | int accumulate_window_size = std::min(count, dyno_view_window_size); | ||
151 | ||||
152 | 140 | currentTorque = accumulate_window(accumulate_window_size, tail_torque); | ||
153 | 140 | currentHP = accumulate_window(accumulate_window_size, tail_hp); | ||
154 | ||||
155 | 140 | dynoViewPointPrev = dynoViewPoint; | ||
156 | 140 | return true; | ||
157 | } | |||
158 | ||||
159 | 4 | dynoViewPointPrev = dynoViewPoint; | ||
160 | ||||
161 | 4 | return false; | ||
162 | } | |||
163 | ||||
164 | 523040 | int getDynoviewHP() { | ||
165 | 523040 | return (int)engine->dynoInstance.currentHP; | ||
166 | } | |||
167 | ||||
168 | 523040 | int getDynoviewTorque() { | ||
169 | 523040 | return (int)engine->dynoInstance.currentTorque; | ||
170 | } | |||
171 | ||||
172 | /** | |||
173 | * Periodic update function called from SlowCallback. | |||
174 | */ | |||
175 | 1085 | void updateDynoView() { | ||
176 | 1085 | engine->dynoInstance.update(); | ||
177 | 1085 | } | ||
178 | ||||
179 | #endif /* EFI_DYNO_VIEW */ | |||
180 |