rusefi-1/firmware/controllers/sensors/ego.cpp

72 lines
1.5 KiB
C++

/**
* @author Andrey Belomutskiy, (c) 2012-2017
*/
#include "ego.h"
#include "interpolation.h"
#include "adc_inputs.h"
#include "engine.h"
EXTERN_ENGINE;
bool hasAfrSensor(DECLARE_ENGINE_PARAMETER_F) {
return engineConfiguration->afr.hwChannel != EFI_ADC_NONE;
}
float getAfr(DECLARE_ENGINE_PARAMETER_F) {
afr_sensor_s * sensor = &CONFIG(afr);
float volts = getVoltageDivided("ego", sensor->hwChannel);
return interpolate(sensor->v1, sensor->value1, sensor->v2, sensor->value2, volts)
+ engineConfiguration->egoValueShift;
}
static void initEgoSensor(afr_sensor_s *sensor, ego_sensor_e type) {
switch (type) {
case ES_BPSX_D1:
/**
* This decodes BPSX D1 Wideband Controller analog signal
*/
sensor->v1 = 0;
sensor->value1 = 9;
sensor->v2 = 5;
sensor->value2 = 19;
break;
case ES_Innovate_MTX_L:
sensor->v1 = 0;
sensor->value1 = 7.35;
sensor->v2 = 5;
sensor->value2 = 22.39;
break;
case ES_14Point7_Free:
sensor->v1 = 0;
sensor->value1 = 9.996;
sensor->v2 = 5;
sensor->value2 = 19.992;
break;
// technically 14Point7 and PLX use the same scale
case ES_PLX:
sensor->v1 = 0;
sensor->value1 = 10;
sensor->v2 = 5;
sensor->value2 = 20;
break;
case ES_NarrowBand:
sensor->v1 = 0.1;
sensor->value1 = 15;
sensor->v2 = 0.9;
sensor->value2 = 14;
break;
default:
firmwareError(CUSTOM_EGO_TYPE, "Unexpected EGO %d", type);
break;
}
}
void setEgoSensor(ego_sensor_e type DECLARE_ENGINE_PARAMETER_S) {
boardConfiguration->afr_type = type;
initEgoSensor(&engineConfiguration->afr, type);
}