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discrete VR threshold control (#3061) 

* vr pwm

* rename

* scaling and ui

* hellen pin

* s

* math

* ooh, pch

* happy test

* not magic
This commit is contained in:
Matthew Kennedy 2021-07-28 04:44:44 -07:00 committed by GitHub
parent dc4b4f0b5d
commit 5373594bb7
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 100 additions and 3 deletions
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2
firmware/config/boards/hellen/hellen128/board_configuration.cpp
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@ -115,6 +115,8 @@ void setBoardConfigOverrides(void) {
engineConfiguration->canTxPin = GPIOD_1;
engineConfiguration->canRxPin = GPIOD_0;
engineConfiguration->vrThreshold[0].pin = GPIOD_14;
}
void setPinConfigurationOverrides(void) {

3
firmware/controllers/algo/engine.cpp
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@ -31,6 +31,7 @@
#include "boost_control.h"
#include "fan_control.h"
#include "ac_control.h"
#include "vr_pwm.h"
#if EFI_MC33816
#include "mc33816.h"
#endif // EFI_MC33816
@ -216,6 +217,8 @@ void Engine::periodicSlowCallback(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
updateSlowSensors(PASS_ENGINE_PARAMETER_SIGNATURE);
checkShutdown(PASS_ENGINE_PARAMETER_SIGNATURE);
updateVrPwm(PASS_ENGINE_PARAMETER_SIGNATURE);
#if EFI_FSIO
runFsio(PASS_ENGINE_PARAMETER_SIGNATURE);
#else

3
firmware/controllers/engine_controller.cpp
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@ -54,6 +54,7 @@
#include "buttonshift.h"
#include "start_stop.h"
#include "dynoview.h"
#include "vr_pwm.h"
#if EFI_SENSOR_CHART
#include "sensor_chart.h"
@ -643,6 +644,8 @@ void initEngineContoller(DECLARE_ENGINE_PARAMETER_SUFFIX) {
engineStateBlinkingTask.Start();
initVrPwm(PASS_ENGINE_PARAMETER_SIGNATURE);
#if EFI_PWM_TESTER
initPwmTester();
#endif /* EFI_PWM_TESTER */

3
firmware/controllers/sensors/sensors.mk
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@ -18,4 +18,5 @@ CONTROLLERS_SENSORS_SRC_CPP = $(PROJECT_DIR)/controllers/sensors/thermistors.cp
$(PROJECT_DIR)/controllers/sensors/Lps25Sensor.cpp \
$(PROJECT_DIR)/controllers/sensors/converters/linear_func.cpp \
$(PROJECT_DIR)/controllers/sensors/converters/resistance_func.cpp \
$(PROJECT_DIR)/controllers/sensors/converters/thermistor_func.cpp
$(PROJECT_DIR)/controllers/sensors/converters/thermistor_func.cpp \
$(PROJECT_DIR)/controllers/sensors/vr_pwm.cpp

48
firmware/controllers/sensors/vr_pwm.cpp Normal file
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@ -0,0 +1,48 @@
#include "pch.h"
#include "vr_pwm.h"
static OutputPin pins[2];
static SimplePwm pwms[2];
static void updateVrPwm(int rpm, size_t index DECLARE_ENGINE_PARAMETER_SUFFIX) {
auto& cfg = CONFIG(vrThreshold)[index];
if (cfg.pin == GPIO_UNASSIGNED) {
return;
}
float thresholdVoltage = interpolate2d(rpm / RPM_1_BYTE_PACKING_MULT, cfg.rpmBins, cfg.values) / 100.0f;
// 0v threshold voltage = 3.3v output from mcu = 100% duty
// 2.5v threshold voltage = 0v output from mcu = 0% duty
float duty = interpolateClamped(0, 1, 2.5f, 0, thresholdVoltage);
pwms[index].setSimplePwmDutyCycle(duty);
}
void updateVrPwm(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
auto rpm = GET_RPM();
for (size_t i = 0; i < efi::size(CONFIG(vrThreshold)); i++) {
updateVrPwm(rpm, i PASS_ENGINE_PARAMETER_SUFFIX);
}
}
void initVrPwm(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
for (size_t i = 0; i < efi::size(CONFIG(vrThreshold)); i++) {
auto& cfg = CONFIG(vrThreshold)[i];
if (cfg.pin == GPIO_UNASSIGNED) {
continue;
}
startSimplePwmHard(&pwms[i], "VR PWM",
&engine->executor,
cfg.pin,
&pins[i],
10000, // it's guaranteed to be hardware PWM, the faster the PWM, the less noise makes it through
0
);
}
}

4
firmware/controllers/sensors/vr_pwm.h Normal file
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@ -0,0 +1,4 @@
#pragma once
void initVrPwm(DECLARE_ENGINE_PARAMETER_SIGNATURE);
void updateVrPwm(DECLARE_ENGINE_PARAMETER_SIGNATURE);

11
firmware/integration/rusefi_config.txt
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@ -1073,7 +1073,16 @@ custom maf_sensor_type_e 4 bits, S32, @OFFSET@, [0:1], @@maf_sensor_type_e_enum@
float[CAM_INPUTS_COUNT iterate] vvtOffsets;+Angle between cam sensor and VVT zero position\nset vvt_offset X;"value", 1, 0, -720, 1000, 1
float[CAM_INPUTS_COUNT_padding] vvtOffsetsPadding;;
int[53] unusedAtOldBoardConfigurationEnd;;"units", 1, 0, -20, 100, 0
struct vr_threshold_s
brain_pin_e pin;
uint8_t[3] pad;;"",1,0,0,0,0
uint8_t[6] rpmBins;;"rpm", {@@RPM_1_BYTE_PACKING_MULT@@}, 0, 0, 12000, 0
uint8_t[6] values;;"volts", 0.01, 0, 0, 2.5, 2
end_struct
vr_threshold_s[2 iterate] vrThreshold;
int[45] unusedAtOldBoardConfigurationEnd;;"units", 1, 0, -20, 100, 0
uint16_t vehicleWeight;;"kg", 1, 0, 0, 10000, 0
brain_pin_e lps25BaroSensorScl
brain_pin_e lps25BaroSensorSda

29
firmware/tunerstudio/rusefi.input
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@ -647,7 +647,21 @@ enable2ndByteCanID = false
yAxis = 0, 2, 5
xBins = injector_battLagCorrBins, VBatt
yBins = injector_battLagCorr
curve = vrThresholdCurve1, "VR 1 Threshold"
columnLabel = "RPM", "Voltage"
xAxis = 0, 8000, 9
yAxis = 0, 2.5, 6
xBins = vrThreshold1_rpmBins, RPMValue
yBins = vrThreshold1_values
curve = vrThresholdCurve2, "VR 2 Threshold"
columnLabel = "RPM", "Voltage"
xAxis = 0, 8000, 9
yAxis = 0, 2.5, 6
xBins = vrThreshold2_rpmBins, RPMValue
yBins = vrThreshold2_values
curve = mafDecodingCurve, "MAF sensor"
columnLabel = "Voltage", "kg/hour"
xAxis = -1, 6, 10
@ -1604,6 +1618,7 @@ menuDialog = main
subMenu = parkingLot, "Experimental/Broken"
subMenu = rotaryDialog, "Rotary"
subMenu = mc33Dialog, "GDI Dreams"
subMenu = vrThreshold, "VR Sensor Threshold"
subMenu = std_separator
subMenu = hipFunction, "HIP9011 settings (knock sensor) (alpha version)" @@if_ts_show_hip9011
@ -3650,6 +3665,18 @@ cmd_set_engine_type_default = "@@TS_IO_TEST_COMMAND_char@@\x00\x31\x00\x00"
webHelp = @@MAIN_HELP_URL@@
text = "<img src='https://rusefi.com/style/logo_100.gif'>"
dialog = vrThreshold1, "VR 1 Threshold"
field = "Pin", vrThreshold1_pin
panel = vrThresholdCurve1
dialog = vrThreshold2, "VR 2 Threshold"
field = "Pin", vrThreshold2_pin
panel = vrThresholdCurve2
dialog = vrThreshold
panel = vrThreshold1
panel = vrThreshold2
dialog = gppwm1left, ""
field = "Pin", gppwm1_pin
field = ""