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Rescale TPS (#1112) 

* fake adc ticks

* consumers

* fix test 1

* fix tests
This commit is contained in:
Matthew Kennedy 2020-02-01 13:41:07 -08:00 committed by GitHub
parent 5a21964925
commit c7dce2e38b
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 19 additions and 21 deletions
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2
firmware/console/status_loop.cpp
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@ -735,7 +735,7 @@ void updateTunerStudioState(TunerStudioOutputChannels *tsOutputChannels DECLARE_
tsOutputChannels->vBatt = getVBatt(PASS_ENGINE_PARAMETER_SIGNATURE);
}
// offset 32
tsOutputChannels->tpsADC = getTPS12bitAdc(0 PASS_ENGINE_PARAMETER_SUFFIX) / TPS_TS_CONVERSION;
tsOutputChannels->tpsADC = getTPS10bitAdc(0 PASS_ENGINE_PARAMETER_SUFFIX);
// offset 36
#if EFI_ANALOG_SENSORS
tsOutputChannels->baroPressure = hasBaroSensor() ? getBaroPressure() : 0;

24
firmware/controllers/sensors/tps.cpp
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@ -11,6 +11,9 @@
EXTERN_ENGINE;
// Scaled to 1000 counts = 5.0 volts
#define TPS_TS_CONVERSION 200
/**
* set mock_pedal_position X
* See also directPwmValue
@ -22,7 +25,7 @@ percent_t mockPedalPosition = MOCK_UNDEFINED;
* this allows unit tests to simulate TPS position
*/
void setMockTpsAdc(percent_t tpsPosition DECLARE_ENGINE_PARAMETER_SUFFIX) {
engine->mockTpsAdcValue = TPS_TS_CONVERSION * tpsPosition;
engine->mockTpsAdcValue = tpsPosition;
}
void setMockTpsValue(percent_t tpsPosition DECLARE_ENGINE_PARAMETER_SUFFIX) {
@ -78,7 +81,7 @@ float getTpsRateOfChange(void) {
* Return current TPS position based on configured ADC levels, and adc
*
* */
percent_t getTpsValue(int index, int adc DECLARE_ENGINE_PARAMETER_SUFFIX) {
percent_t getTpsValue(int index, float adc DECLARE_ENGINE_PARAMETER_SUFFIX) {
DISPLAY_STATE(Engine)
DISPLAY_TAG(TPS_SECTION);
@ -117,8 +120,7 @@ percent_t getTpsValue(int index, int adc DECLARE_ENGINE_PARAMETER_SUFFIX) {
int tpsMax = index == 0 ? CONFIG(tpsMax) : CONFIG(tps2Max);
int tpsMin = index == 0 ? CONFIG(tpsMin) : CONFIG(tps2Min);
float result = interpolateMsg("TPS", TPS_TS_CONVERSION * tpsMax, 100,
TPS_TS_CONVERSION * tpsMin, 0, adc);
float result = interpolateMsg("TPS", tpsMax, 100, tpsMin, 0, adc);
if (result < engineConfiguration->tpsErrorDetectionTooLow) {
#if EFI_PROD_CODE
// too much noise with simulator
@ -149,7 +151,7 @@ float getTPSVoltage(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
* wants a TPS value.
* @param index [0, ETB_COUNT)
*/
int getTPS12bitAdc(int index DECLARE_ENGINE_PARAMETER_SUFFIX) {
float getTPS10bitAdc(int index DECLARE_ENGINE_PARAMETER_SUFFIX) {
#if !EFI_PROD_CODE
if (engine->mockTpsAdcValue != MOCK_UNDEFINED) {
return engine->mockTpsAdcValue;
@ -160,9 +162,9 @@ int getTPS12bitAdc(int index DECLARE_ENGINE_PARAMETER_SUFFIX) {
#if EFI_PROD_CODE
if (index == 0) {
return getAdcValue("tps10", engineConfiguration->tps1_1AdcChannel);
return convertVoltageTo10bitADC(getVoltageDivided("tps10", engineConfiguration->tps1_1AdcChannel));
} else {
return getAdcValue("tps20", engineConfiguration->tps2_1AdcChannel);
return convertVoltageTo10bitADC(getVoltageDivided("tps20", engineConfiguration->tps2_1AdcChannel));
}
// return tpsFastAdc / 4;
#else
@ -173,7 +175,7 @@ int getTPS12bitAdc(int index DECLARE_ENGINE_PARAMETER_SUFFIX) {
void grabTPSIsClosed() {
#if EFI_PROD_CODE
printTPSInfo();
engineConfiguration->tpsMin = getTPS10bitAdc();
engineConfiguration->tpsMin = getTPS10bitAdc(0);
printTPSInfo();
#endif /* EFI_PROD_CODE */
}
@ -181,7 +183,7 @@ void grabTPSIsClosed() {
void grabTPSIsWideOpen() {
#if EFI_PROD_CODE
printTPSInfo();
engineConfiguration->tpsMax = getTPS10bitAdc();
engineConfiguration->tpsMax = getTPS10bitAdc(0);
printTPSInfo();
#endif /* EFI_PROD_CODE */
}
@ -206,7 +208,7 @@ void grabPedalIsWideOpen() {
* @brief Position on physical primary TPS
*/
static percent_t getPrimaryRawTPS(int index DECLARE_ENGINE_PARAMETER_SUFFIX) {
int adcValue = getTPS12bitAdc(index PASS_ENGINE_PARAMETER_SUFFIX);
float adcValue = getTPS10bitAdc(index PASS_ENGINE_PARAMETER_SUFFIX);
percent_t tpsValue = getTpsValue(index, adcValue PASS_ENGINE_PARAMETER_SUFFIX);
return tpsValue;
}
@ -268,5 +270,5 @@ void setBosch0280750009(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
int convertVoltageTo10bitADC(float voltage) {
// divided by 2 because of voltage divider, then converted into 10bit ADC value (TunerStudio format)
return (int) (voltage / 2 * 1024 / 3.3);
return (int) (voltage * TPS_TS_CONVERSION);
}

8
firmware/controllers/sensors/tps.h
View File

@ -12,9 +12,6 @@
#include "global.h"
#include "engine_configuration.h"
// we have 12 bit precision and TS uses 10 bit precision
#define TPS_TS_CONVERSION 4
bool hasPedalPositionSensor(DECLARE_ENGINE_PARAMETER_SIGNATURE);
percent_t getPedalPosition(DECLARE_ENGINE_PARAMETER_SIGNATURE);
/**
@ -26,11 +23,10 @@ percent_t getTPS(DECLARE_ENGINE_PARAMETER_SIGNATURE);
percent_t getTPSWithIndex(int index DECLARE_ENGINE_PARAMETER_SUFFIX);
bool hasTpsSensor(DECLARE_ENGINE_PARAMETER_SIGNATURE);
int convertVoltageTo10bitADC(float voltage);
int getTPS12bitAdc(int index DECLARE_ENGINE_PARAMETER_SUFFIX);
float getTPS10bitAdc(int index DECLARE_ENGINE_PARAMETER_SUFFIX);
bool hasSecondThrottleBody(DECLARE_ENGINE_PARAMETER_SIGNATURE);
#define getTPS10bitAdc() (getTPS12bitAdc(0 PASS_ENGINE_PARAMETER_SUFFIX) / TPS_TS_CONVERSION)
float getTPSVoltage(DECLARE_ENGINE_PARAMETER_SIGNATURE);
percent_t getTpsValue(int index, int adc DECLARE_ENGINE_PARAMETER_SUFFIX);
percent_t getTpsValue(int index, float adc DECLARE_ENGINE_PARAMETER_SUFFIX);
void setBosch0280750009(DECLARE_ENGINE_PARAMETER_SIGNATURE);
void setMockTpsAdc(percent_t tpsPosition DECLARE_ENGINE_PARAMETER_SUFFIX);
void setMockTpsValue(percent_t tpsPosition DECLARE_ENGINE_PARAMETER_SUFFIX);

2
firmware/controllers/settings.cpp
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@ -426,7 +426,7 @@ void printTPSInfo(void) {
#endif /* EFI_PROD_CODE */
scheduleMsg(&logger, "current 10bit=%d value=%.2f rate=%.2f", getTPS10bitAdc(), getTPS(PASS_ENGINE_PARAMETER_SIGNATURE),
scheduleMsg(&logger, "current 10bit=%d value=%.2f rate=%.2f", (int)getTPS10bitAdc(0), getTPS(PASS_ENGINE_PARAMETER_SIGNATURE),
getTpsRateOfChange());
}

4
unit_tests/tests/test_sensors.cpp
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@ -34,12 +34,12 @@ TEST(sensors, tps) {
engineConfiguration->tpsMax = 193;
engineConfiguration->tpsMin = 43;
ASSERT_NEAR(49.3333, getTpsValue(0, 4 * 117 PASS_ENGINE_PARAMETER_SUFFIX), EPS4D);
ASSERT_NEAR(49.3333, getTpsValue(0, 117 PASS_ENGINE_PARAMETER_SUFFIX), EPS4D);
engineConfiguration->tpsMax = 43;
engineConfiguration->tpsMin = 193;
assertEqualsM("test#2", 50.6667, getTpsValue(0, 4 * 117 PASS_ENGINE_PARAMETER_SUFFIX));
assertEqualsM("test#2", 50.6667, getTpsValue(0, 117 PASS_ENGINE_PARAMETER_SUFFIX));
}
TEST(sensors, testTpsRateOfChange) {