Marius Eggert
5f17f365e3
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388 lines
15 KiB
C++
388 lines
15 KiB
C++
/*
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* SensorProcessing.cpp
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*
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* Created on: 7 Mar 2022
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* Author: Robin Marquardt
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*/
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#include "SensorProcessing.h"
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#include "Igrf13Model.h"
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#include "util/MathOperations.h"
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#include <math.h>
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#include <fsfw/globalfunctions/constants.h>
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#include <fsfw/globalfunctions/math/MatrixOperations.h>
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#include <fsfw/globalfunctions/math/QuaternionOperations.h>
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#include <fsfw/globalfunctions/math/VectorOperations.h>
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#include <fsfw/globalfunctions/timevalOperations.h>
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using namespace Math;
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// Thought: Maybe separate file for transforming of sensor values
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// into geometry frame and body frame
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SensorProcessing::SensorProcessing(AcsParameters *acsParameters_) :
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savedMagFieldEst { 0, 0, 0 }{
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validMagField = false;
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validGcLatitude = false;
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}
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SensorProcessing::~SensorProcessing() {
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}
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bool SensorProcessing::processMgm(const float *mgm0Value, bool mgm0valid,
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const float *mgm1Value, bool mgm1valid, const float *mgm2Value,
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bool mgm2valid, const float *mgm3Value, bool mgm3valid,
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const float *mgm4Value, bool mgm4valid, timeval timeOfMgmMeasurement,
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const AcsParameters::MgmHandlingParameters *mgmParameters,
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const double gpsLatitude, const double gpsLongitude,
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const double gpsAltitude, bool gpsValid, double *magFieldEst, bool *outputValid,
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double *magFieldModel, bool*magFieldModelValid,
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double *magneticFieldVectorDerivative, bool *magneticFieldVectorDerivativeValid) {
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if (!mgm0valid && !mgm1valid && !mgm2valid && !mgm3valid && !mgm4valid) {
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*outputValid = false;
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validMagField = false;
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return false;
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}
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// Transforming Values to the Body Frame (actually it is the geometry frame atm)
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float mgm0ValueBody[3] = {0,0,0}, mgm1ValueBody[3] = {0,0,0},
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mgm2ValueBody[3] = {0,0,0}, mgm3ValueBody[3] = {0,0,0},
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mgm4ValueBody[3] = {0,0,0};
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bool validUnit[5] = {false, false, false, false, false};
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uint8_t validCount = 0;
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if (mgm0valid) {
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MatrixOperations<float>::multiply(mgmParameters->mgm0orientationMatrix[0], mgm0Value, mgm0ValueBody, 3, 3, 1);
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validCount += 1;
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validUnit[0] = true;
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}
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if (mgm1valid) {
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MatrixOperations<float>::multiply(mgmParameters->mgm1orientationMatrix[0], mgm1Value, mgm1ValueBody, 3, 3, 1);
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validCount += 1;
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validUnit[1] = true;
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}
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if (mgm2valid) {
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MatrixOperations<float>::multiply(mgmParameters->mgm2orientationMatrix[0], mgm2Value, mgm2ValueBody, 3, 3, 1);
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validCount += 1;
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validUnit[2] = true;
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}
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if (mgm3valid) {
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MatrixOperations<float>::multiply(mgmParameters->mgm3orientationMatrix[0], mgm3Value, mgm3ValueBody, 3, 3, 1);
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validCount += 1;
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validUnit[3] = true;
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}
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if (mgm4valid) {
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MatrixOperations<float>::multiply(mgmParameters->mgm4orientationMatrix[0], mgm4Value, mgm4ValueBody, 3, 3, 1);
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validCount += 1;
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validUnit[4] = true;
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}
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/* -------- MagFieldEst: Middle Value ------- */
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float mgmValues[3][5] = { { mgm0ValueBody[0], mgm1ValueBody[0], mgm2ValueBody[0],
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mgm3ValueBody[0], mgm4ValueBody[0] }, { mgm0ValueBody[1], mgm1ValueBody[1],
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mgm2ValueBody[1], mgm3ValueBody[1], mgm4ValueBody[1] }, { mgm0ValueBody[2],
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mgm1ValueBody[2], mgm2ValueBody[2], mgm3ValueBody[2], mgm4ValueBody[2] } };
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double mgmValidValues[3][validCount];
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uint8_t j = 0;
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for (uint8_t i = 0; i < validCount; i++) {
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if (validUnit[i]) {
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mgmValidValues[0][j] = mgmValues[0][i];
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mgmValidValues[1][j] = mgmValues[1][i];
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mgmValidValues[2][j] = mgmValues[2][i];
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j += 1;
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}
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}
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//Selection Sort
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double mgmValidValuesSort[3][validCount];
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MathOperations<double>::selectionSort(*mgmValidValues, *mgmValidValuesSort, 3, validCount);
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uint8_t n = ceil(validCount/2);
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magFieldEst[0] = mgmValidValuesSort[0][n];
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magFieldEst[1] = mgmValidValuesSort[1][n];
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magFieldEst[2] = mgmValidValuesSort[2][n];
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validMagField = true;
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//-----------------------Mag Rate Computation ---------------------------------------------------
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double timeDiff = timevalOperations::toDouble(timeOfMgmMeasurement - timeOfSavedMagFieldEst);
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for (uint8_t i = 0; i < 3; i++) {
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magneticFieldVectorDerivative[i] = (magFieldEst[i]
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- savedMagFieldEst[i]) / timeDiff;
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savedMagFieldEst[i] = magFieldEst[i];
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}
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*magneticFieldVectorDerivativeValid = true;
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if (timeOfSavedMagFieldEst.tv_sec == 0) {
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magneticFieldVectorDerivative[0] = 0;
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magneticFieldVectorDerivative[1] = 0;
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magneticFieldVectorDerivative[2] = 0;
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*magneticFieldVectorDerivativeValid = false;
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}
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timeOfSavedMagFieldEst = timeOfMgmMeasurement;
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*outputValid = true;
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// ---------------- IGRF- 13 Implementation here ------------------------------------------------
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if (!gpsValid){
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*magFieldModelValid = false;
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}
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else{
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// Should be existing class object which will be called and modified here.
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Igrf13Model igrf13;
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// So the line above should not be done here. Update: Can be done here as long updated coffs
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// stored in acsParameters ?
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igrf13.updateCoeffGH(timeOfMgmMeasurement);
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// maybe put a condition here, to only update after a full day, this
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// class function has around 700 steps to perform
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igrf13.magFieldComp(gpsLongitude, gpsLatitude, gpsAltitude,
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timeOfMgmMeasurement, magFieldModel);
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*magFieldModelValid = false;
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}
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return true;
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}
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void SensorProcessing::processSus(const float sus0Value[], bool sus0valid, const float sus1Value[], bool sus1valid,
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const float sus2Value[], bool sus2valid, const float sus3Value[], bool sus3valid,
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const float sus4Value[], bool sus4valid, const float sus5Value[], bool sus5valid,
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const float sus6Value[], bool sus6valid, const float sus7Value[], bool sus7valid,
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const float sus8Value[], bool sus8valid, const float sus9Value[], bool sus9valid,
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const float sus10Value[], bool sus10valid, const float sus11Value[], bool sus11valid,
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timeval timeOfSusMeasurement, const AcsParameters::SusHandlingParameters *susParameters,
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const AcsParameters::SunModelParameters *sunModelParameters, double *sunDirEst, bool *sunDirEstValid,
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double *sunVectorInertial, bool *sunVectorInertialValid,
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double *sunVectorDerivative, bool *sunVectorDerivativeValid){
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if(!sus0valid && !sus1valid && !sus2valid && !sus3valid && !sus4valid && !sus5valid
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&& !sus6valid && !sus7valid && !sus8valid && !sus9valid && !sus10valid && !sus11valid){
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*sunDirEstValid = false;
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return;
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}
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else{
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// WARNING: NOT TRANSFORMED IN BODY FRAME YET
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// Transformation into Geomtry Frame
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float sus0ValueBody[3] = {0,0,0}, sus1ValueBody[3] = {0,0,0}, sus2ValueBody[3] = {0,0,0},
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sus3ValueBody[3] = {0,0,0}, sus4ValueBody[3] = {0,0,0}, sus5ValueBody[3] = {0,0,0},
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sus6ValueBody[3] = {0,0,0}, sus7ValueBody[3] = {0,0,0}, sus8ValueBody[3] = {0,0,0},
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sus9ValueBody[3] = {0,0,0}, sus10ValueBody[3] = {0,0,0}, sus11ValueBody[3] = {0,0,0};
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if (sus0valid) {
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MatrixOperations<float>::multiply(susParameters->sus0orientationMatrix[0], sus0Value, sus0ValueBody, 3, 3, 1);
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}
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if (sus1valid) {
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MatrixOperations<float>::multiply(susParameters->sus1orientationMatrix[0], sus1Value, sus1ValueBody, 3, 3, 1);
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}
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if (sus2valid) {
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MatrixOperations<float>::multiply(susParameters->sus2orientationMatrix[0], sus2Value, sus2ValueBody, 3, 3, 1);
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}
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if (sus3valid) {
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MatrixOperations<float>::multiply(susParameters->sus3orientationMatrix[0], sus3Value, sus3ValueBody, 3, 3, 1);
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}
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if (sus4valid) {
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MatrixOperations<float>::multiply(susParameters->sus4orientationMatrix[0], sus4Value, sus4ValueBody, 3, 3, 1);
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}
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if (sus5valid) {
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MatrixOperations<float>::multiply(susParameters->sus5orientationMatrix[0], sus5Value, sus5ValueBody, 3, 3, 1);
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}
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if (sus6valid) {
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MatrixOperations<float>::multiply(susParameters->sus6orientationMatrix[0], sus6Value, sus6ValueBody, 3, 3, 1);
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}
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if (sus7valid) {
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MatrixOperations<float>::multiply(susParameters->sus7orientationMatrix[0], sus7Value, sus7ValueBody, 3, 3, 1);
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}
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if (sus8valid) {
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MatrixOperations<float>::multiply(susParameters->sus8orientationMatrix[0], sus8Value, sus8ValueBody, 3, 3, 1);
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}
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if (sus9valid) {
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MatrixOperations<float>::multiply(susParameters->sus9orientationMatrix[0], sus9Value, sus9ValueBody, 3, 3, 1);
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}
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if (sus10valid) {
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MatrixOperations<float>::multiply(susParameters->sus10orientationMatrix[0], sus10Value, sus10ValueBody, 3, 3, 1);
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}
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if (sus11valid) {
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MatrixOperations<float>::multiply(susParameters->sus11orientationMatrix[0], sus11Value, sus11ValueBody, 3, 3, 1);
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}
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/* ------ Mean Value: susDirEst ------ */
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// Timo already done
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bool validIds[12] = {sus0valid, sus1valid, sus2valid, sus3valid, sus4valid, sus5valid,
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sus6valid, sus7valid, sus8valid, sus9valid, sus10valid, sus11valid};
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float susValuesBody[3][12] = {{sus0ValueBody[0], sus1ValueBody[0], sus2ValueBody[0], sus3ValueBody[0], sus4ValueBody[0],
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sus5ValueBody[0], sus6ValueBody[0], sus7ValueBody[0], sus8ValueBody[0], sus9ValueBody[0], sus10ValueBody[0], sus11ValueBody[0]},
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{sus0ValueBody[1], sus1ValueBody[1], sus2ValueBody[1], sus3ValueBody[1], sus4ValueBody[1],
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sus5ValueBody[1], sus6ValueBody[1], sus7ValueBody[1], sus8ValueBody[1], sus9ValueBody[1], sus10ValueBody[1], sus11ValueBody[1]},
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{sus0ValueBody[2], sus1ValueBody[2], sus2ValueBody[2], sus3ValueBody[2], sus4ValueBody[2],
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sus5ValueBody[2], sus6ValueBody[2], sus7ValueBody[2], sus8ValueBody[2], sus9ValueBody[2], sus10ValueBody[2], sus11ValueBody[2]}};
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double susMeanValue[3] = {0,0,0};
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uint8_t validSusCounter = 0;
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for (uint8_t i = 0; i < 12; i++){
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if (validIds[i]){
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susMeanValue[0]+=susValuesBody[0][i];
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susMeanValue[1]+=susValuesBody[1][i];
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susMeanValue[2]+=susValuesBody[2][i];
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validSusCounter+=1;
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}
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}
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double divisor = 1/validSusCounter;
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VectorOperations<double>::mulScalar(susMeanValue, divisor, sunDirEst, 3);
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*sunDirEstValid = true;
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}
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/* -------- Sun Derivatiative --------------------- */
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double timeDiff = timevalOperations::toDouble(timeOfSusMeasurement - timeOfSavedSusDirEst);
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for (uint8_t i = 0; i < 3; i++) {
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sunVectorDerivative[i] = (sunDirEst[i]
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- savedSunVector[i]) / timeDiff;
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savedSunVector[i] = sunDirEst[i];
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}
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*sunVectorDerivativeValid = true;
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if (timeOfSavedSusDirEst.tv_sec == 0) {
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sunVectorDerivative[0] = 0;
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sunVectorDerivative[1] = 0;
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sunVectorDerivative[2] = 0;
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*sunVectorDerivativeValid = false;
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}
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timeOfSavedSusDirEst = timeOfSusMeasurement;
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/* -------- Sun Model Direction (IJK frame) ------- */
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// if (useSunModel) eventuell
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double JD2000 = MathOperations<double>::convertUnixToJD2000(timeOfSusMeasurement);
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//Julean Centuries
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double JC2000 = JD2000 / 36525;
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double meanLongitude = (sunModelParameters->omega_0 + (sunModelParameters->domega) * JC2000) * PI /180;
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double meanAnomaly = (sunModelParameters->m_0
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+ sunModelParameters->dm * JC2000) * PI / 180.;
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double eclipticLongitude = meanLongitude + sunModelParameters->p1 * sin(meanAnomaly)
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+ sunModelParameters->p2 * sin(2 * meanAnomaly);
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double epsilon = sunModelParameters->e - (sunModelParameters->e1) * JC2000;
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sunVectorInertial[0] = cos(eclipticLongitude);
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sunVectorInertial[1] = sin(eclipticLongitude)
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* cos(epsilon);
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sunVectorInertial[2] = sin(eclipticLongitude)
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* sin(epsilon);
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*sunVectorInertialValid = true;
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}
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void SensorProcessing::processRmu(const double rmu0Value[], bool rmu0valid,
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const double rmu1Value[], bool rmu1valid,
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const double rmu2Value[], bool rmu2valid,
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timeval timeOfrmuMeasurement, const AcsParameters::RmuHandlingParameters *rmuParameters,
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double *satRatEst, bool *satRateEstValid){
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if (!rmu0valid && !rmu1valid && !rmu2valid) {
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*satRateEstValid = false;
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return;
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}
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// Transforming Values to the Body Frame (actually it is the geometry frame atm)
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double rmu0ValueBody[3] = {0,0,0}, rmu1ValueBody[3]= {0,0,0},
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rmu2ValueBody[3] = {0,0,0};
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bool validUnit[3] = {false, false, false};
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uint8_t validCount = 0;
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if (rmu0valid) {
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MatrixOperations<double>::multiply(rmuParameters->rmu0orientationMatrix[0], rmu0Value, rmu0ValueBody, 3, 3, 1);
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validCount += 1;
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validUnit[0] = true;
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}
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if (rmu1valid) {
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MatrixOperations<double>::multiply(rmuParameters->rmu1orientationMatrix[0], rmu1Value, rmu1ValueBody, 3, 3, 1);
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validCount += 1;
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validUnit[1] = true;
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}
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if (rmu2valid) {
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MatrixOperations<double>::multiply(rmuParameters->rmu2orientationMatrix[0], rmu2Value, rmu2ValueBody, 3, 3, 1);
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validCount += 1;
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validUnit[2] = true;
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}
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/* -------- SatRateEst: Middle Value ------- */
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double rmuValues[3][3] = { { rmu0ValueBody[0], rmu1ValueBody[0], rmu2ValueBody[0]}, { rmu0ValueBody[1], rmu1ValueBody[1],
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rmu2ValueBody[1]}, { rmu0ValueBody[2],
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rmu1ValueBody[2], rmu2ValueBody[2]} };
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double rmuValidValues[3][validCount];
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uint8_t j = 0;
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for (uint8_t i = 0; i < validCount; i++) {
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if (validUnit[i]) {
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rmuValidValues[0][j] = rmuValues[0][i];
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rmuValidValues[1][j] = rmuValues[1][i];
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rmuValidValues[2][j] = rmuValues[2][i];
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j += 1;
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}
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}
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//Selection Sort
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double rmuValidValuesSort[3][validCount];
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MathOperations<double>::selectionSort(*rmuValidValues, *rmuValidValuesSort, 3, validCount);
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uint8_t n = ceil(validCount/2);
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satRatEst[0] = rmuValidValuesSort[0][n];
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satRatEst[1] = rmuValidValuesSort[1][n];
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satRatEst[2] = rmuValidValuesSort[2][n];
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*satRateEstValid = true;
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}
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void SensorProcessing::processGps(const double gps0latitude, const double gps0longitude,
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const bool validGps, double *gcLatitude, double *gdLongitude){
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// name to convert not process
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if (validGps) {
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// Transforming from Degree to Radians and calculation geocentric lattitude from geodetic
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*gdLongitude = gps0longitude * PI / 180;
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double latitudeRad = gps0latitude * PI / 180;
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double eccentricityWgs84 = 0.0818195;
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double factor = 1 - pow(eccentricityWgs84, 2);
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*gcLatitude = atan(factor * tan(latitudeRad));
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validGcLatitude = true;
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}
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}
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void SensorProcessing::process(timeval now, ACS::SensorValues *sensorValues,
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ACS::OutputValues *outputValues, const AcsParameters *acsParameters) {
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sensorValues->update();
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processGps(sensorValues->gps0latitude, sensorValues->gps0longitude,
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sensorValues->gps0Valid, &outputValues->gcLatitude, &outputValues->gdLongitude);
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outputValues->mgmUpdated = processMgm(sensorValues->mgm0, sensorValues->mgm0Valid,
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sensorValues->mgm1, sensorValues->mgm1Valid,
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sensorValues->mgm2, sensorValues->mgm2Valid,
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sensorValues->mgm3, sensorValues->mgm3Valid,
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sensorValues->mgm4, sensorValues->mgm4Valid, now,
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&acsParameters->mgmHandlingParameters, outputValues->gcLatitude,
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outputValues->gdLongitude, sensorValues->gps0altitude,
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sensorValues->gps0Valid,
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outputValues->magFieldEst, &outputValues->magFieldEstValid,
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outputValues->magFieldModel, &outputValues->magFieldModelValid,
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outputValues->magneticFieldVectorDerivative, &outputValues->magneticFieldVectorDerivativeValid); // VALID outputs- PoolVariable ?
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processSus(sensorValues->sus0, sensorValues->sus0Valid, sensorValues->sus1, sensorValues->sus1Valid,
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sensorValues->sus2, sensorValues->sus2Valid, sensorValues->sus3, sensorValues->sus3Valid,
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sensorValues->sus4, sensorValues->sus4Valid, sensorValues->sus5, sensorValues->sus5Valid,
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sensorValues->sus6, sensorValues->sus6Valid, sensorValues->sus7, sensorValues->sus7Valid,
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sensorValues->sus8, sensorValues->sus8Valid, sensorValues->sus9, sensorValues->sus9Valid,
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sensorValues->sus10, sensorValues->sus10Valid, sensorValues->sus11, sensorValues->sus11Valid,
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now, &acsParameters->susHandlingParameters, &acsParameters->sunModelParameters,
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outputValues->sunDirEst, &outputValues->sunDirEstValid,
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outputValues->sunDirModel, &outputValues->sunDirModelValid,
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outputValues->sunVectorDerivative, &outputValues->sunVectorDerivativeValid); // VALID outputs ?
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processRmu(sensorValues->rmu0, sensorValues->rmu0Valid, sensorValues->rmu1, sensorValues->rmu1Valid,
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sensorValues->rmu2, sensorValues->rmu2Valid, now, &acsParameters->rmuHandlingParameters,
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outputValues->satRateEst, &outputValues->satRateEstValid);
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}
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