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na/nb miata default gearing/vss

This commit is contained in:
Matthew Kennedy 2023-03-24 01:55:57 -07:00
parent 0290bd5417
commit c1ced2c938
2 changed files with 59 additions and 11 deletions
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22
firmware/config/engines/mazda_miata_1_6.cpp
View File

@ -171,6 +171,28 @@ void miataNAcommonEngineSettings() {
engineConfiguration->iat.config = { -20, 40, 80, 16150, 1150, 330, 2700 };
engineConfiguration->map.sensor.type = MT_GM_3_BAR;
// Vehicle speed/gears
engineConfiguration->totalGearsCount = 5;
engineConfiguration->gearRatio[0] = 3.136;
engineConfiguration->gearRatio[1] = 1.888;
engineConfiguration->gearRatio[2] = 1.330;
engineConfiguration->gearRatio[3] = 1.000;
engineConfiguration->gearRatio[4] = 0.814;
// These may need to change based on your real car
engineConfiguration->driveWheelRevPerKm = 551;
engineConfiguration->finalGearRatio = 4.3;
// This should be correct for factory matched speedo gears and diffs,
// but will need to be adjusted for mismatched combinations.
// - 6 teeth on transmission output shaft
// - 23 teeth on speedometer sensor
// - 4.3 rear axle ratio
// 4.3 * 6 / 23 ~= 1.12
engineConfiguration->vssGearRatio = 4.3 * 6 / 23;
engineConfiguration->vssToothCount = 4;
}
static void miataNAcommon() {

48
firmware/config/engines/mazda_miata_vvt.cpp
View File

@ -232,17 +232,8 @@ static void setMazdaMiataNbInjectorLag() {
copyArray(engineConfiguration->injector.battLagCorrBins, injectorLagBins);
}
static void set4EC_AT() {
engineConfiguration->totalGearsCount = 4;
// http://www.new-cars.com/2003/mazda/mazda-miata-specs.html
engineConfiguration->gearRatio[0] = 2.45;
engineConfiguration->gearRatio[1] = 1.45;
engineConfiguration->gearRatio[2] = 1.0;
engineConfiguration->gearRatio[3] = 0.73;
}
/**
* stuff common between NA1 and NB2
* stuff common between NB1 and NB2
*/
static void setCommonMazdaNB() {
// Base engine
@ -343,12 +334,34 @@ static void setCommonMazdaNB() {
miataNA_setCltIdleCorrBins();
miataNA_setCltIdleRpmBins();
miataNA_setIacCoastingBins();
set4EC_AT();
// All factory miata setups end up with 1.12 speed sensor turns
// per wheel turn, by matching the speedo sensor gear to the
// diff ratio
// - 6 teeth on transmission output shaft
// - 23 teeth on speedometer sensor
// - 3.909 rear axle ratio
// 3.909 * 6 / 21 ~= 1.12
engineConfiguration->vssGearRatio = 3.909 * 6 / 21;
engineConfiguration->vssToothCount = 4;
}
static void setMazdaMiataEngineNB1Defaults() {
setCommonMazdaNB();
strcpy(engineConfiguration->engineCode, "NB1");
// Vehicle speed/gears
engineConfiguration->totalGearsCount = 5;
engineConfiguration->gearRatio[0] = 3.136;
engineConfiguration->gearRatio[1] = 1.888;
engineConfiguration->gearRatio[2] = 1.330;
engineConfiguration->gearRatio[3] = 1.000;
engineConfiguration->gearRatio[4] = 0.814;
// These may need to change based on your real car
engineConfiguration->driveWheelRevPerKm = 551;
engineConfiguration->finalGearRatio = 4.3;
}
static void setMazdaMiataEngineNB2Defaults() {
@ -375,6 +388,19 @@ static void setMazdaMiataEngineNB2Defaults() {
engineConfiguration->auxPid[0].offset = 33;
engineConfiguration->auxPid[0].minValue = 20;
engineConfiguration->auxPid[0].maxValue = 90;
// Vehicle speed/gears
engineConfiguration->totalGearsCount = 6;
engineConfiguration->gearRatio[0] = 3.760;
engineConfiguration->gearRatio[1] = 2.269;
engineConfiguration->gearRatio[2] = 1.646;
engineConfiguration->gearRatio[3] = 1.257;
engineConfiguration->gearRatio[4] = 1.000;
engineConfiguration->gearRatio[4] = 0.843;
// These may need to change based on your real car
engineConfiguration->driveWheelRevPerKm = 538;
engineConfiguration->finalGearRatio = 3.909;
}
// MAZDA_MIATA_2003