| Line | Branch | Decision | Exec | Source |
|---|---|---|---|---|
| 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 | 1173 | void DynoView::init() | ||
| 15 | { | |||
| 16 |
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1173 | if (isInitialized) { |
| 17 | 588 | return; | ||
| 18 | } | |||
| 19 | 585 | isInitialized = true; | ||
| 20 | ||||
| 21 | //config->dynoSaeBaro = Sensor::get(SensorType::BarometricPressure).value_or(config->dynoSaeBaro); | |||
| 22 | ||||
| 23 | 585 | wheelOverallDiameterMm = (uint16_t)((float)config->dynoCarWheelDiaInch * 25.4f + (float)config->dynoCarWheelTireWidthMm * (float)config->dynoCarWheelAspectRatio * 0.01f * 2.0f); | ||
| 24 | ||||
| 25 | 585 | saeVaporPressure = 6.1078f * pow(10.0f, (7.5f * (float)config->dynoSaeTemperatureC) / (237.3f + (float)config->dynoSaeTemperatureC)) * .02953f * ((float)config->dynoSaeRelativeHumidity / 100.0f); | ||
| 26 | 585 | saeBaroMmhg = 29.23f * (config->dynoSaeBaro / 100.0f); | ||
| 27 | 585 | saeBaroCorrectionFactor = 29.23f / (saeBaroMmhg - saeVaporPressure); | ||
| 28 | 585 | saeTempCorrectionFactor = pow((((float)config->dynoSaeTemperatureC + C_K_OFFSET) / 298.0f), 0.5f); | ||
| 29 | 585 | saeCorrectionFactor = 1.176f * (saeBaroCorrectionFactor * saeTempCorrectionFactor) - .176f; | ||
| 30 | ||||
| 31 | 585 | reset(); | ||
| 32 | } | |||
| 33 | ||||
| 34 | 1173 | void DynoView::update() | ||
| 35 | { | |||
| 36 | 1173 | init(); | ||
| 37 | ||||
| 38 | 1173 | float rpm = Sensor::getOrZero(SensorType::Rpm); | ||
| 39 | 1173 | rpm = efiRound(rpm, 1.0); | ||
| 40 | 1173 | int intRpm = (int)rpm; | ||
| 41 | ||||
| 42 | 1173 | float tps = Sensor::getOrZero(SensorType::Tps1); | ||
| 43 | ||||
| 44 |
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1173 | 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 | 1173 | } | ||
| 51 | ||||
| 52 | 785 | void DynoView::reset() | ||
| 53 | { | |||
| 54 | 785 | dynoViewPointPrev.rpm = -1; | ||
| 55 | 785 | dynoViewPointPrev.time = -1; | ||
| 56 | 785 | dynoViewPointPrev.tps = -1; | ||
| 57 | 785 | count = 0; | ||
| 58 | 785 | count_rpm = 0; | ||
| 59 | 785 | currentTorque = 0; | ||
| 60 | 785 | currentHP = 0; | ||
| 61 | 785 | } | ||
| 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 | 531164 | int getDynoviewHP() { | ||
| 165 | 531164 | return (int)engine->dynoInstance.currentHP; | ||
| 166 | } | |||
| 167 | ||||
| 168 | 531164 | int getDynoviewTorque() { | ||
| 169 | 531164 | return (int)engine->dynoInstance.currentTorque; | ||
| 170 | } | |||
| 171 | ||||
| 172 | /** | |||
| 173 | * Periodic update function called from SlowCallback. | |||
| 174 | */ | |||
| 175 | 1086 | void updateDynoView() { | ||
| 176 | 1086 | engine->dynoInstance.update(); | ||
| 177 | 1086 | } | ||
| 178 | ||||
| 179 | #endif /* EFI_DYNO_VIEW */ | |||
| 180 |