| Line | Branch | Decision | Exec | Source |
|---|---|---|---|---|
| 1 | #include "pch.h" | |||
| 2 | ||||
| 3 | #include "alphan_airmass.h" | |||
| 4 | #include "fuel_math.h" | |||
| 5 | ||||
| 6 | 5 | AirmassResult AlphaNAirmass::getAirmass(float rpm, bool postState) { | ||
| 7 | 5 | auto tps = Sensor::get(SensorType::Tps1); | ||
| 8 | ||||
| 9 |
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5 | if (!tps.Valid) { |
| 10 | // We are fully reliant on TPS - if the TPS fails, stop the engine. | |||
| 11 | 1 | return {}; | ||
| 12 | } | |||
| 13 | ||||
| 14 | // In this case, VE directly describes the cylinder filling relative to the ideal | |||
| 15 | 4 | float ve = getVe(rpm, tps.Value, postState); | ||
| 16 | ||||
| 17 | // optionally use real IAT instead of fixed air temperature | |||
| 18 | 4 | constexpr float standardIat = STD_IAT; // std atmosphere temperature | ||
| 19 | 4 | float iat = engineConfiguration->alphaNUseIat | ||
| 20 |
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6 | ? Sensor::get(SensorType::Iat).value_or(standardIat) | |
| 21 |
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4 | : standardIat; | |
| 22 | ||||
| 23 | 4 | float iatK = iat + 273/* todo reuse C_K_OFFSET which would require adjusting unit tests*/; | ||
| 24 | ||||
| 25 | // TODO: should this be barometric pressure and/or temperature compensated? | |||
| 26 | 4 | mass_t airmass = getAirmassImpl( | ||
| 27 | ve, | |||
| 28 | STD_ATMOSPHERE, | |||
| 29 | iatK | |||
| 30 | ); | |||
| 31 | ||||
| 32 | return { | |||
| 33 | airmass, | |||
| 34 | 4 | tps.Value | ||
| 35 | 4 | }; | ||
| 36 | } | |||
| 37 |