| Line | Branch | Decision | Exec | Source |
|---|---|---|---|---|
| 1 | /* | |||
| 2 | * @file high_pressure_fuel_pump.h | |||
| 3 | * @brief High Pressure Fuel Pump controller for GDI applications | |||
| 4 | * | |||
| 5 | * @date Nov 6, 2021 | |||
| 6 | * @author Scott Smith, (c) 2021 | |||
| 7 | */ | |||
| 8 | ||||
| 9 | /* | |||
| 10 | * This file is part of rusEfi - see http://rusefi.com | |||
| 11 | * | |||
| 12 | * rusEfi is free software; you can redistribute it and/or modify it under the terms of | |||
| 13 | * the GNU General Public License as published by the Free Software Foundation; either | |||
| 14 | * version 3 of the License, or (at your option) any later version. | |||
| 15 | * | |||
| 16 | * rusEfi is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without | |||
| 17 | * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |||
| 18 | * GNU General Public License for more details. | |||
| 19 | * | |||
| 20 | * You should have received a copy of the GNU General Public License along with this program. | |||
| 21 | * If not, see <http://www.gnu.org/licenses/>. | |||
| 22 | */ | |||
| 23 | ||||
| 24 | #pragma once | |||
| 25 | #include "high_pressure_fuel_pump_generated.h" | |||
| 26 | ||||
| 27 | class HpfpLobe { | |||
| 28 | public: | |||
| 29 | uint8_t m_lobe_index = 0; ///< 0-based index of the last lobe returned | |||
| 30 | ||||
| 31 | angle_t findNextLobe(); ///< Calculate the angle (after crank TDC) for the top of the next lobe | |||
| 32 | }; | |||
| 33 | ||||
| 34 | bool isGdiEngine(); | |||
| 35 | ||||
| 36 | class HpfpController; | |||
| 37 | ||||
| 38 | class HpfpQuantity { | |||
| 39 | public: | |||
| 40 | /** | |||
| 41 | * Calculate where the pump should become active, in degrees before pump lobe TDC | |||
| 42 | */ | |||
| 43 | angle_t pumpAngleFuel(float rpm, HpfpController *model); | |||
| 44 | ||||
| 45 | /** | |||
| 46 | * Calculate the percent of the pump stroke needed to replace the fuel injected. Also | |||
| 47 | * includes pump compensation calculations. | |||
| 48 | * | |||
| 49 | * This is used by internal tests and shouldn't be called directly. Instead use | |||
| 50 | * pumpAngleFuel. | |||
| 51 | * | |||
| 52 | * Return value is nominally 0-100, but may be outside that range (including negative) if | |||
| 53 | * model parameters are not accurate. | |||
| 54 | */ | |||
| 55 | float calcFuelPercent(float rpm); | |||
| 56 | ||||
| 57 | /** | |||
| 58 | * Calculates the PI controller contribution as a percent. This amount should be added to | |||
| 59 | * calcFuelPercent() above. | |||
| 60 | * | |||
| 61 | * This is used by internal tests and shouldn't be called directly. Instead use | |||
| 62 | * pumpAngleFuel. | |||
| 63 | * | |||
| 64 | * Return value is nominally 0-100, but may be outside that range (including negative) if | |||
| 65 | * model parameters are not accurate. The sum of this and calc_fuel_percent will be 0-100. | |||
| 66 | */ | |||
| 67 | float calcPI(float rpm, float calc_fuel_percent, HpfpController *model); | |||
| 68 | ||||
| 69 | }; | |||
| 70 | ||||
| 71 | class HpfpController : public EngineModule, public high_pressure_fuel_pump_s { | |||
| 72 | public: | |||
| 73 | // Mockable<> interface | |||
| 74 | using interface_t = HpfpController; | |||
| 75 | ||||
| 76 | /** | |||
| 77 | * Reset internal state due to a stopped engine. | |||
| 78 | */ | |||
| 79 | 1118 | void resetQuantity() { | ||
| 80 | 1118 | hpfp_i_control_percent = 0; | ||
| 81 | 1118 | m_pressureTarget_kPa = 0; | ||
| 82 | 1118 | } | ||
| 83 | ||||
| 84 | void onFastCallback() final; | |||
| 85 | angle_t m_deadangle = 0; ///< Computed solenoid deadtime in degrees | |||
| 86 | ||||
| 87 | #if !EFI_UNIT_TEST | |||
| 88 | private: | |||
| 89 | #endif // EFI_UNIT_TEST | |||
| 90 | AngleBasedEvent m_event; | |||
| 91 | ||||
| 92 | HpfpQuantity m_quantity; | |||
| 93 | HpfpLobe m_lobe; | |||
| 94 | ||||
| 95 | volatile bool m_running = false; ///< Whether events are being scheduled or not | |||
| 96 | ||||
| 97 | void scheduleNextCycle(); | |||
| 98 | ||||
| 99 | static void pinTurnOn(HpfpController *self); | |||
| 100 | static void pinTurnOff(HpfpController *self); | |||
| 101 | }; | |||
| 102 |