mirror of https://github.com/rusefi/rusefi-1.git
baro fully in sensor model (#3829)
* consumers and api * dead test * baro uses sensor model * remove old (copy of?) map lookup logic * I guess we don't need FastInterpolation any more? * don't double init analog input
This commit is contained in:
Matthew Kennedy
GitHub
parent
842f3b9b57
commit
f5d4690fe1
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@ -953,7 +953,7 @@ void canDashboardHaltech(CanCycle cycle) {
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msg[4] = 0x00;
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msg[5] = 0x00;
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/* Barometric pressure */
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tmp = (uint16_t)(getBaroPressure()*10);
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tmp = (uint16_t)(Sensor::getOrZero(SensorType::BarometricPressure) * 10);
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msg[6] = (tmp >> 8);
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msg[7] = (tmp & 0x00ff);
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}
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@ -198,7 +198,7 @@ static void showLine(lcd_line_e line, int /*screenY*/) {
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#if EFI_ANALOG_SENSORS
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case LL_BARO:
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if (Sensor::hasSensor(SensorType::BarometricPressure)) {
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lcdPrintf("Baro: %.2f", getBaroPressure());
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lcdPrintf("Baro: %.2f", Sensor::getOrZero(SensorType::BarometricPressure));
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} else {
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lcdPrintf("Baro: none");
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}
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@ -7,164 +7,24 @@
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*/
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#include "pch.h"
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#if EFI_PROD_CODE
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#include "digital_input_icu.h"
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#include "digital_input_exti.h"
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#endif
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#if EFI_ANALOG_SENSORS
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static FastInterpolation customMap;
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// See 'useFixedBaroCorrFromMap'
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static float storedInitialBaroPressure = NAN;
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/**
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* @brief MAP value decoded for a 1.83 Honda sensor
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* -6.64kPa at zero volts
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* 182.78kPa at 5 volts
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*
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* about 3 volts at 100kPa
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*
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* @returns kPa value
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*/
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static FastInterpolation denso183(0, -6.64, 5, 182.78);
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/**
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* MAP sensor output voltage of 3.0v = a gauge reading of 0 in. Hg
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* MAP sensor output voltage of 0.5v = a gauge reading of 27 in. Hg
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*/
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static FastInterpolation honda3bar(0.5, 91.422, 3.0, 0);
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static FastInterpolation subyDenso(0, 0, 5, 200);
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static FastInterpolation gm3bar(0.631, 40, 4.914, 304);
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static FastInterpolation gm2bar(0, 8.8, 5, 208);
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static FastInterpolation gm1bar(0, 10, 5, 105);
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static FastInterpolation mpx4250(0, 8, 5, 260);
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static FastInterpolation mpx4250A(0.25, 20, 4.875, 250);
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static FastInterpolation mpxh6400(1 /*volts*/, 90 /*kPa*/, 3 /*volts*/, 250 /*kPa*/);
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static FastInterpolation mpx4100(0.3, 20, 4.9, 105);
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/**
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* http://easyautodiagnostics.com/chrysler/2.0L-2.4L/map-sensor-diagnostic-test-1
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* or maybe
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* https://books.google.com/books?id=3q85p56_PxIC page 132
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* https://books.google.com/books?id=3q85p56_PxIC&q=chrysler+map#v=snippet&q=chrysler%20map&f=false
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*/
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//static FastInterpolation dodgeNeon2003(0.5 /* volts */, 0 /* kPa */, 4.5 /* volts */ , 100 /* kPa */);
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static FastInterpolation dodgeNeon2003(0.4 /* volts */, 15.34 /* kPa */, 4.5 /* volts */ , 100 /* kPa */);
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static FastInterpolation densoToyota(3.7 - 2 /* volts */, 33.322271 /* kPa */, 3.7 /* volts */ , 100 /* kPa */);
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/**
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* Open question how to get this Miata NB2 sensor read MAP
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*/
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static FastInterpolation mazda1bar(0 /* volts */, 2.5 /* kPa */, 5 /* volts */ , 117 /* kPa */);
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/**
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* Bosch 2.5 Bar TMap Map Sensor with IAT
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*/
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static FastInterpolation bosch2_5(0.4 /* volts */, 20 /* kPa */, 4.65 /* volts */ , 250 /* kPa */);
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static FastInterpolation *getDecoder(air_pressure_sensor_type_e type);
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float decodePressure(float voltage, air_pressure_sensor_config_s * mapConfig) {
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switch (mapConfig->type) {
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case MT_CUSTOM:
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// todo: migrate to 'FastInterpolation customMap'
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return interpolateMsg("map", engineConfiguration->mapLowValueVoltage, mapConfig->lowValue,
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engineConfiguration->mapHighValueVoltage, mapConfig->highValue, voltage);
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case MT_DENSO183:
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case MT_MPX4250:
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case MT_MPX4250A:
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case MT_HONDA3BAR:
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case MT_DODGE_NEON_2003:
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case MT_SUBY_DENSO:
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case MT_GM_3_BAR:
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case MT_GM_2_BAR:
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case MT_GM_1_BAR:
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case MT_TOYOTA_89420_02010:
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case MT_MPX4100:
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case MT_BOSCH_2_5:
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case MT_MAZDA_1_BAR:
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case MT_MPXH6400:
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return getDecoder(mapConfig->type)->getValue(voltage);
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default:
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firmwareError(CUSTOM_ERR_MAP_TYPE, "Unknown MAP type: pressure %d", mapConfig->type);
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return NAN;
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}
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}
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/**
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* This function checks if Baro/MAP sensor value is inside of expected range
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* @return unchanged mapKPa parameter or NaN
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*/
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static float validateBaroMap(float mapKPa) {
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const float atmoPressure = 100.0f;
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const float atmoPressureRange = 15.0f; // 85..115
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if (cisnan(mapKPa) || absF(mapKPa - atmoPressure) > atmoPressureRange) {
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// Highest interstate is the Eisenhower Tunnel at 11158 feet -> 66 kpa
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// Lowest point is the Dead Sea, -1411 feet -> 106 kpa
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if (cisnan(mapKPa) || mapKPa > 110 || mapKPa < 60) {
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warning(OBD_Barometric_Press_Circ, "Invalid start-up baro pressure = %.2fkPa", mapKPa);
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return NAN;
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}
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return mapKPa;
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}
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float getBaroPressure() {
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// Override the real Baro sensor with the stored initial MAP value, if the option is set.
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if (engineConfiguration->useFixedBaroCorrFromMap)
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return storedInitialBaroPressure;
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float voltage = getVoltageDivided("baro", engineConfiguration->baroSensor.hwChannel);
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return decodePressure(voltage, &engineConfiguration->baroSensor);
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}
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static FastInterpolation *getDecoder(air_pressure_sensor_type_e type) {
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switch (type) {
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case MT_DENSO183:
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return &denso183;
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case MT_MPX4250:
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return &mpx4250;
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case MT_MPX4100:
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return &mpx4100;
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case MT_MPX4250A:
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return &mpx4250A;
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case MT_MPXH6400:
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return &mpxh6400;
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case MT_HONDA3BAR:
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return &honda3bar;
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case MT_DODGE_NEON_2003:
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return &dodgeNeon2003;
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case MT_SUBY_DENSO:
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return &subyDenso;
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case MT_GM_3_BAR:
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return &gm3bar;
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case MT_GM_2_BAR:
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return &gm2bar;
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case MT_GM_1_BAR:
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return &gm1bar;
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case MT_TOYOTA_89420_02010:
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return &densoToyota;
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case MT_MAZDA_1_BAR:
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return &mazda1bar;
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case MT_BOSCH_2_5:
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return &bosch2_5;
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default:
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firmwareError(CUSTOM_ERR_MAP_TYPE, "Unknown MAP type: decoder %d", type);
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return &customMap;
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}
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}
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static void applyConfiguration() {
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air_pressure_sensor_config_s * apConfig = &engineConfiguration->map.sensor;
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customMap.init(0, apConfig->lowValue, 5, apConfig->highValue);
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}
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#if EFI_PROD_CODE
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extern int mapMinBufferLength;
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@ -207,23 +67,23 @@ static void printMAPInfo() {
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}
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#endif /* EFI_PROD_CODE */
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void initMapDecoder() {
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applyConfiguration();
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if (engineConfiguration->useFixedBaroCorrFromMap) {
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// Read initial MAP sensor value and store it for Baro correction.
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storedInitialBaroPressure = Sensor::get(SensorType::MapSlow).value_or(101.325);
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float storedInitialBaroPressure = Sensor::get(SensorType::MapSlow).value_or(101.325);
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efiPrintf("Get initial baro MAP pressure = %.2fkPa", storedInitialBaroPressure);
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// validate if it's within a reasonable range (the engine should not be spinning etc.)
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storedInitialBaroPressure = validateBaroMap(storedInitialBaroPressure);
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if (!cisnan(storedInitialBaroPressure)) {
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efiPrintf("Using this fixed MAP pressure to override the baro correction!");
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// TODO: do literally anything other than this
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Sensor::setMockValue(SensorType::BarometricPressure, storedInitialBaroPressure);
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} else {
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efiPrintf("The baro pressure is invalid. The fixed baro correction will be disabled!");
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}
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}
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#if EFI_PROD_CODE
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addConsoleAction("mapinfo", printMAPInfo);
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#endif
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@ -11,10 +11,6 @@ struct air_pressure_sensor_config_s;
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void initMapDecoder();
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float getBaroPressure();
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float decodePressure(float voltage, air_pressure_sensor_config_s * mapConfig);
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#define KPA_PER_PSI 6.89475728f
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#define PSI2KPA(psi) (KPA_PER_PSI * (psi))
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@ -7,18 +7,8 @@
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#include "function_pointer_sensor.h"
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#include "identity_func.h"
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struct GetBaroWrapper {
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float getBaro() {
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return ::getBaroPressure();
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}
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};
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static GetBaroWrapper baroWrapper;
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static FunctionPointerSensor baroSensor(SensorType::BarometricPressure,
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[]() {
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return baroWrapper.getBaro();
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});
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static LinearFunc baroConverter;
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static FunctionalSensor baroSensor(SensorType::BarometricPressure, MS2NT(50));
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// This converter is shared between both fast and slow: the only difference is
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// how the *voltage* is determined, not how its converted to a pressure.
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@ -51,8 +41,7 @@ struct MapCfg {
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float map2;
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};
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static MapCfg getMapCfg() {
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auto sensorType = engineConfiguration->map.sensor.type;
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static MapCfg getMapCfg(air_pressure_sensor_type_e sensorType) {
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switch (sensorType) {
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case MT_DENSO183:
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return {0, -6.64, 5, 182.78};
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@ -97,10 +86,10 @@ static MapCfg getMapCfg() {
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}}
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}
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void configureMapFunction() {
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auto cfg = getMapCfg();
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void configureMapFunction(LinearFunc& converter, air_pressure_sensor_type_e sensorType) {
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auto cfg = getMapCfg(engineConfiguration->map.sensor.type);
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mapConverter.configure(
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converter.configure(
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cfg.v1,
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cfg.map1,
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cfg.v2,
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@ -111,12 +100,10 @@ void configureMapFunction() {
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}
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void initMap() {
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auto mapChannel = engineConfiguration->map.sensor.hwChannel;
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if (isAdcChannelValid(mapChannel)) {
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// Set up the conversion function
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configureMapFunction();
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configureMapFunction(mapConverter, engineConfiguration->map.sensor.type);
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slowMapSensor.setFunction(mapConverter);
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fastMapSensor.setFunction(identityFunction);
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@ -129,12 +116,18 @@ void initMap() {
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AdcSubscription::SubscribeSensor(slowMapSensor, mapChannel, 100);
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}
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// Only register if configured
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if (isAdcChannelValid(engineConfiguration->baroSensor.hwChannel)) {
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auto baroChannel = engineConfiguration->baroSensor.hwChannel;
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if (isAdcChannelValid(baroChannel)) {
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configureMapFunction(baroConverter, engineConfiguration->baroSensor.type);
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baroSensor.setFunction(baroConverter);
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baroSensor.Register();
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AdcSubscription::SubscribeSensor(baroSensor, baroChannel, 10);
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}
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}
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void deinitMap() {
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AdcSubscription::UnsubscribeSensor(slowMapSensor);
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AdcSubscription::UnsubscribeSensor(baroSensor);
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}
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@ -33,7 +33,6 @@ void deInitIfValid(const char* msg, adc_channel_e channel) {
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static void initOldAnalogInputs() {
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initIfValid("AFR", engineConfiguration->afr.hwChannel);
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initIfValid("Baro", engineConfiguration->baroSensor.hwChannel);
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initIfValid("AUXF#1", engineConfiguration->auxFastSensor1_adcChannel);
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initIfValid("CJ125 UR", engineConfiguration->cj125ur);
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initIfValid("CJ125 UA", engineConfiguration->cj125ua);
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@ -41,7 +40,6 @@ static void initOldAnalogInputs() {
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static void deInitOldAnalogInputs() {
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deInitIfValid("AFR", activeConfiguration.afr.hwChannel);
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deInitIfValid("Baro", activeConfiguration.baroSensor.hwChannel);
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deInitIfValid("AUXF#1", activeConfiguration.auxFastSensor1_adcChannel);
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deInitIfValid("CJ125 UR", activeConfiguration.cj125ur);
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deInitIfValid("CJ125 UA", activeConfiguration.cj125ua);
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@ -60,27 +60,6 @@ static void testBinary() {
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#endif
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FastInterpolation::FastInterpolation() {
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init(0, 0, 1, 1);
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}
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FastInterpolation::FastInterpolation(float x1, float y1, float x2, float y2) {
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init(x1, y1, x2, y2);
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}
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void FastInterpolation::init(float x1, float y1, float x2, float y2) {
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if (x1 == x2) {
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firmwareError(CUSTOM_ERR_INTERPOLATE, "init: Same x1 and x2 in interpolate: %.2f/%.2f", x1, x2);
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return;
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}
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a = INTERPOLATION_A(x1, y1, x2, y2);
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b = y1 - a * x1;
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}
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float FastInterpolation::getValue(float x) const {
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return a * x + b;
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}
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/** @brief Linear interpolation by two points
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*
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* @param x1 key of the first point
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@ -176,5 +155,4 @@ void initInterpolation() {
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#if BINARY_PERF && ! EFI_UNIT_TEST
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addConsoleAction("binarytest", testBinary);
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#endif
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}
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@ -219,13 +219,3 @@ void setCurveValue(const kType bins[], VType values[], int size, float key, floa
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}
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void initInterpolation();
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class FastInterpolation {
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public:
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FastInterpolation();
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FastInterpolation(float x1, float y1, float x2, float y2);
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void init(float x1, float y1, float x2, float y2);
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float getValue(float x) const;
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private:
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float a, b;
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};
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@ -1,22 +0,0 @@
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/**
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* @file test_sensors.cpp
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*
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* @date Dec 7, 2013
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* @author Andrey Belomutskiy, (c) 2012-2020
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*/
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#include "pch.h"
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TEST(sensors, mapDecoding) {
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EngineTestHelper eth(FORD_INLINE_6_1995);
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air_pressure_sensor_config_s s;
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s.type = MT_DENSO183;
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assertEqualsM("denso 0 volts", -6.64, decodePressure(0, &s));
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ASSERT_FLOAT_EQ(31.244, decodePressure(1, &s));
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s.type = MT_MPX4250;
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ASSERT_EQ( 8, decodePressure(0, &s)) << "MPX_4250 0 volts";
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ASSERT_FLOAT_EQ(58.4, decodePressure(1, &s));
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}
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@ -63,7 +63,6 @@ TESTS_SRC_CPP = \
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tests/test_log_buffer.cpp \
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tests/test_signal_executor.cpp \
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tests/test_cpp_memory_layout.cpp \
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tests/test_sensors.cpp \
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tests/test_pid_auto.cpp \
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tests/test_pid.cpp \
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tests/test_accel_enrichment.cpp \
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