Merge pull request #172 from Scorgan01/Smoothing

Smoothing of data value; extension of calibration of data types (PR #171)

lib/obp60task/BoatDataCalibration.cpp

@@ -0,0 +1,203 @@
+#if defined BOARD_OBP60S3 || defined BOARD_OBP40S3
+
+#include "BoatDataCalibration.h"
+#include <cmath>
+#include <math.h>
+#include <unordered_map>
+
+CalibrationDataList calibrationData;
+
+void CalibrationDataList::readConfig(GwConfigHandler* config, GwLog* logger)
+// Initial load of calibration data into internal list
+// This method is called once at init phase of <OBP60task> to read the configuration values
+{
+    String instance;
+    double offset;
+    double slope;
+    double smooth;
+
+    String calInstance = "";
+    String calOffset = "";
+    String calSlope = "";
+    String calSmooth = "";
+
+    // Load user format configuration values
+    String lengthFormat = config->getString(config->lengthFormat); // [m|ft]
+    String distanceFormat = config->getString(config->distanceFormat); // [m|km|nm]
+    String speedFormat = config->getString(config->speedFormat); // [m/s|km/h|kn]
+    String windspeedFormat = config->getString(config->windspeedFormat); // [m/s|km/h|kn|bft]
+    String tempFormat = config->getString(config->tempFormat); // [K|C|F]
+
+    // Read calibration settings for data instances
+    for (int i = 0; i < maxCalibrationData; i++) {
+        calInstance = "calInstance" + String(i + 1);
+        calOffset = "calOffset" + String(i + 1);
+        calSlope = "calSlope" + String(i + 1);
+        calSmooth = "calSmooth" + String(i + 1);
+        calibrationData.list[i] = { "---", 0.0f, 1.0f, 1, 0.0f, false };
+
+        instance = config->getString(calInstance, "---");
+        if (instance == "---") {
+            LOG_DEBUG(GwLog::LOG, "no calibration data for instance no. %d", i + 1);
+            continue;
+        }
+        offset = (config->getString(calOffset, "")).toFloat();
+        slope = (config->getString(calSlope, "")).toFloat();
+        smooth = (config->getString(calSmooth, "")).toInt();
+
+        // Convert calibration values to internal standard formats
+        if (instance == "AWS" || instance == "TWS") {
+            if (windspeedFormat == "m/s") {
+                // No conversion needed
+            } else if (windspeedFormat == "km/h") {
+                offset /= 3.6; // Convert km/h to m/s
+            } else if (windspeedFormat == "kn") {
+                offset /= 1.94384; // Convert kn to m/s
+            } else if (windspeedFormat == "bft") {
+                offset *= 0.5; // Convert Bft to m/s (approx) -> to be improved
+            }
+
+        } else if (instance == "AWA" || instance == "TWA" || instance == "TWD" || instance == "HDM" || instance == "PRPOS" || instance == "RPOS") {
+            offset *= M_PI / 180; // Convert deg to rad
+
+        } else if (instance == "DBT") {
+            if (lengthFormat == "m") {
+                // No conversion needed
+            } else if (lengthFormat == "ft") {
+                offset /= 3.28084; // Convert ft to m
+            }
+
+        } else if (instance == "STW") {
+            if (speedFormat == "m/s") {
+                // No conversion needed
+            } else if (speedFormat == "km/h") {
+                offset /= 3.6; // Convert km/h to m/s
+            } else if (speedFormat == "kn") {
+                offset /= 1.94384; // Convert kn to m/s
+            }
+
+        } else if (instance == "WTemp") {
+            if (tempFormat == "K" || tempFormat == "C") {
+                // No conversion needed
+            } else if (tempFormat == "F") {
+                offset *= 9.0 / 5.0; // Convert °F to K
+                slope *= 9.0 / 5.0; // Convert °F to K
+            }
+        }
+
+        // transform smoothing factor from {0.01..10} to {0.3..0.95} and invert for exponential smoothing formula
+        if (smooth <= 0) {
+            smooth = 0;
+        } else {
+            if (smooth > 10) {
+                smooth = 10;
+            }
+            //        calibrationData.list[i].smooth = 1 - (smooth / 10.0); // smooth factor is between 0 and 1
+            smooth = 0.3 + ((smooth - 0.01) * (0.95 - 0.3) / (10 - 0.01));
+        }
+        smooth = 1 - smooth;
+
+        calibrationData.list[i].instance = instance;
+        calibrationData.list[i].offset = offset;
+        calibrationData.list[i].slope = slope;
+        calibrationData.list[i].smooth = smooth;
+        calibrationData.list[i].isCalibrated = false;
+        LOG_DEBUG(GwLog::LOG, "stored calibration data: %s, offset: %f, slope: %f, smoothing: %f", calibrationData.list[i].instance.c_str(),
+            calibrationData.list[i].offset, calibrationData.list[i].slope, calibrationData.list[i].smooth);
+    }
+    LOG_DEBUG(GwLog::LOG, "all calibration data read");
+}
+
+int CalibrationDataList::getInstanceListNo(String instance)
+// Method to get the index of the requested instance in the list
+{
+    // Check if instance is in the list
+    for (int i = 0; i < maxCalibrationData; i++) {
+        if (calibrationData.list[i].instance == instance) {
+            return i;
+        }
+    }
+    return -1; // instance not found
+}
+
+/* void CalibrationDataList::updateBoatDataValidity(String instance)
+{
+    for (int i = 0; i < maxCalibrationData; i++) {
+        if (calibrationData.list[i].instance == instance) {
+            // test for boat data value validity - to be implemented
+            calibrationData.list[i].isValid = true;
+            return;
+        }
+    }
+} */
+
+void CalibrationDataList::calibrateInstance(String instance, GwApi::BoatValue* boatDataValue, GwLog* logger)
+// Method to calibrate the boat data value
+{
+    double offset = 0;
+    double slope = 1.0;
+    double dataValue = 0;
+
+    int listNo = getInstanceListNo(instance);
+    if (listNo < 0) {
+        LOG_DEBUG(GwLog::DEBUG, "BoatDataCalibration: %s not found in calibration data list", instance.c_str());
+        return;
+    } else {
+        offset = calibrationData.list[listNo].offset;
+        slope = calibrationData.list[listNo].slope;
+
+        if (!boatDataValue->valid) { // no valid boat data value, so we don't want to apply calibration data
+            return;
+        } else {
+            dataValue = boatDataValue->value;
+            LOG_DEBUG(GwLog::DEBUG, "BoatDataCalibration: %s: value: %f, format: %s", boatDataValue->getName().c_str(), boatDataValue->value, boatDataValue->getFormat().c_str());
+
+            if (boatDataValue->getFormat() == "formatWind") { // instance is of type angle
+                dataValue = (dataValue * slope) + offset;
+                dataValue = fmod(dataValue, 2 * M_PI);
+                if (dataValue > (M_PI)) {
+                    dataValue -= (2 * M_PI);
+                } else if (dataValue < (M_PI * -1)) {
+                    dataValue += (2 * M_PI);
+                }
+            } else if (boatDataValue->getFormat() == "formatCourse") { // instance is of type direction
+                dataValue = (dataValue * slope) + offset;
+                dataValue = fmod(dataValue, 2 * M_PI);
+                if (dataValue < 0) {
+                    dataValue += (2 * M_PI);
+                }
+            } else if (boatDataValue->getFormat() == "kelvinToC") { // instance is of type temperature
+                dataValue = ((dataValue - 273.15) * slope) + offset + 273.15;
+            } else {
+                dataValue = (dataValue * slope) + offset;
+            }
+
+            calibrationData.smoothInstance(instance, dataValue, logger); // smooth the boat data value
+            calibrationData.list[listNo].value = dataValue;
+            calibrationData.list[listNo].isCalibrated = true;
+            boatDataValue->value = dataValue;
+            LOG_DEBUG(GwLog::DEBUG, "BoatDataCalibration: %s: Offset: %f, Slope: %f, Result: %f", instance.c_str(), offset, slope, boatDataValue->value);
+        }
+    }
+}
+
+void CalibrationDataList::smoothInstance(String instance, double& dataValue, GwLog* logger)
+// Method to smoothen the boat data value
+{
+    // array for last values of smoothed boat data values
+    static std::unordered_map<std::string, double> lastValue;
+
+    double oldValue = 0;
+    double smoothFactor = calibrationData.list[getInstanceListNo(instance)].smooth;
+
+    if (lastValue.find(instance.c_str()) != lastValue.end()) {
+        oldValue = lastValue[instance.c_str()];
+
+        dataValue = oldValue + (smoothFactor * (dataValue - oldValue)); // exponential smoothing algorithm
+    }
+    lastValue[instance.c_str()] = dataValue; // store the new value for next cycle; first time, store only the current value and return
+
+    LOG_DEBUG(GwLog::DEBUG, "BoatDataCalibration: %s: Smoothing factor: %f, Smoothed value: %f", instance.c_str(), smoothFactor, dataValue);
+}
+
+#endif

lib/obp60task/BoatDataCalibration.h

@@ -0,0 +1,34 @@
+// Functions lib for data instance calibration
+
+#ifndef _BOATDATACALIBRATION_H
+#define _BOATDATACALIBRATION_H
+
+#include "Pagedata.h"
+#include "WString.h"
+
+typedef struct {
+    String instance; // data type/instance to be calibrated
+    double offset; // calibration offset
+    double slope; // calibration slope
+    double smooth; // smoothing factor
+    double value; // calibrated data value
+    bool isCalibrated; // is data instance value calibrated?
+} CalibData;
+
+const int maxCalibrationData = 3; // maximum number of calibration data instances
+
+class CalibrationDataList {
+public:
+    CalibData list[maxCalibrationData]; // list of calibration data instances
+
+    static void readConfig(GwConfigHandler* config, GwLog* logger);
+    static int getInstanceListNo(String instance);
+    static void calibrateInstance(String instance, GwApi::BoatValue* boatDataValue, GwLog* logger);
+    void smoothInstance(String instance, double &dataValue, GwLog* logger);
+
+private:
+};
+
+extern CalibrationDataList calibrationData; // this list holds all calibration data
+
+#endif

lib/obp60task/OBP60Formater.cpp

@@ -442,7 +442,7 @@ FormatedData formatValue(GwApi::BoatValue *value, CommonData &commondata){
             result.unit = "C";
         }
         else if(String(tempFormat) == "F"){
-            temp = temp - 459.67;
+            temp = (temp - 273.15) * 9 / 5 + 32;
             result.unit = "F";
         }
         else{

lib/obp60task/PageFourValues.cpp

@@ -2,6 +2,7 @@
 
 #include "Pagedata.h"
 #include "OBP60Extensions.h"
+#include "BoatDataCalibration.h"
 
 class PageFourValues : public Page
 {
@@ -47,6 +48,7 @@ class PageFourValues : public Page
         name1 = name1.substring(0, 6);                  // String length limit for value name
         double value1 = bvalue1->value;                 // Value as double in SI unit
         bool valid1 = bvalue1->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name1, bvalue1, logger); // Check if boat data value is to be calibrated
         String svalue1 = formatValue(bvalue1, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit1 = formatValue(bvalue1, *commonData).unit;        // Unit of value
 
@@ -56,6 +58,7 @@ class PageFourValues : public Page
         name2 = name2.substring(0, 6);                  // String length limit for value name
         double value2 = bvalue2->value;                 // Value as double in SI unit
         bool valid2 = bvalue2->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name2, bvalue2, logger); // Check if boat data value is to be calibrated
         String svalue2 = formatValue(bvalue2, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit2 = formatValue(bvalue2, *commonData).unit;        // Unit of value
 
@@ -65,6 +68,7 @@ class PageFourValues : public Page
         name3 = name3.substring(0, 6);                  // String length limit for value name
         double value3 = bvalue3->value;                 // Value as double in SI unit
         bool valid3 = bvalue3->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name3, bvalue3, logger); // Check if boat data value is to be calibrated
         String svalue3 = formatValue(bvalue3, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit3 = formatValue(bvalue3, *commonData).unit;        // Unit of value
 
@@ -74,6 +78,7 @@ class PageFourValues : public Page
         name4 = name4.substring(0, 6);                  // String length limit for value name
         double value4 = bvalue4->value;                 // Value as double in SI unit
         bool valid4 = bvalue4->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name4, bvalue4, logger); // Check if boat data value is to be calibrated
         String svalue4 = formatValue(bvalue4, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit4 = formatValue(bvalue4, *commonData).unit;        // Unit of value
 

lib/obp60task/PageFourValues2.cpp

@@ -2,6 +2,7 @@
 
 #include "Pagedata.h"
 #include "OBP60Extensions.h"
+#include "BoatDataCalibration.h"
 
 class PageFourValues2 : public Page
 {
@@ -47,6 +48,7 @@ class PageFourValues2 : public Page
         name1 = name1.substring(0, 6);                  // String length limit for value name
         double value1 = bvalue1->value;                 // Value as double in SI unit
         bool valid1 = bvalue1->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name1, bvalue1, logger); // Check if boat data value is to be calibrated
         String svalue1 = formatValue(bvalue1, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit1 = formatValue(bvalue1, *commonData).unit;        // Unit of value
 
@@ -56,6 +58,7 @@ class PageFourValues2 : public Page
         name2 = name2.substring(0, 6);                  // String length limit for value name
         double value2 = bvalue2->value;                 // Value as double in SI unit
         bool valid2 = bvalue2->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name2, bvalue2, logger); // Check if boat data value is to be calibrated
         String svalue2 = formatValue(bvalue2, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit2 = formatValue(bvalue2, *commonData).unit;        // Unit of value
 
@@ -65,6 +68,7 @@ class PageFourValues2 : public Page
         name3 = name3.substring(0, 6);                  // String length limit for value name
         double value3 = bvalue3->value;                 // Value as double in SI unit
         bool valid3 = bvalue3->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name3, bvalue3, logger); // Check if boat data value is to be calibrated
         String svalue3 = formatValue(bvalue3, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit3 = formatValue(bvalue3, *commonData).unit;        // Unit of value
 
@@ -74,6 +78,7 @@ class PageFourValues2 : public Page
         name4 = name4.substring(0, 6);                  // String length limit for value name
         double value4 = bvalue4->value;                 // Value as double in SI unit
         bool valid4 = bvalue4->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name4, bvalue4, logger); // Check if boat data value is to be calibrated
         String svalue4 = formatValue(bvalue4, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit4 = formatValue(bvalue4, *commonData).unit;        // Unit of value
 

lib/obp60task/PageOneValue.cpp

@@ -2,6 +2,7 @@
 
 #include "Pagedata.h"
 #include "OBP60Extensions.h"
+#include "BoatDataCalibration.h"
 
 class PageOneValue : public Page
 {
@@ -39,8 +40,9 @@ class PageOneValue : public Page
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
         String name1 = xdrDelete(bvalue1->getName());   // Value name
         name1 = name1.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name1, bvalue1, logger); // Check if boat data value is to be calibrated
         double value1 = bvalue1->value;                 // Value as double in SI unit
-        bool valid1 = bvalue1->valid;                   // Valid information 
+        bool valid1 = bvalue1->valid;                   // Valid information
         String svalue1 = formatValue(bvalue1, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit1 = formatValue(bvalue1, *commonData).unit;        // Unit of value
 

lib/obp60task/PageRudderPosition.cpp

@@ -2,6 +2,7 @@
 
 #include "Pagedata.h"
 #include "OBP60Extensions.h"
+#include "BoatDataCalibration.h"
 
 class PageRudderPosition : public Page
 {
@@ -40,24 +41,25 @@ public:
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list
         String name1 = bvalue1->getName().c_str();      // Value name
         name1 = name1.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name1, bvalue1, logger); // Check if boat data value is to be calibrated
         value1 = bvalue1->value;                        // Raw value without unit convertion
         bool valid1 = bvalue1->valid;                   // Valid information 
         String svalue1 = formatValue(bvalue1, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit1 = formatValue(bvalue1, *commonData).unit;        // Unit of value
+
         if(valid1 == true){
             value1old = value1;   	                    // Save old value
             unit1old = unit1;                           // Save old unit
+        } else {
+            if(simulation == true){
+                value1 = (3 + float(random(0, 50)) / 10.0)/360*2*PI;
+                unit1 = "Deg";
+            }
+            else{
+                value1 = 0;
+            }
         }
 
-        if(simulation == true){
-            value1 = (3 + float(random(0, 50)) / 10.0)/360*2*PI;
-            unit1 = "Deg";
-        }
-        else{
-            value1 = 0;
-        }
-
-
         // Optical warning by limit violation (unused)
         if(String(flashLED) == "Limit Violation"){
             setBlinkingLED(false);

lib/obp60task/PageSixValues.cpp

@@ -1,7 +1,8 @@
-#if defined BOARD_OBP60S3 
+#if defined BOARD_OBP60S3 || defined BOARD_OBP40S3
 
 #include "Pagedata.h"
 #include "OBP60Extensions.h"
+#include "BoatDataCalibration.h"
 
 #include "DSEG7Classic-BoldItalic26pt7b.h"
 
@@ -61,6 +62,7 @@ class PageSixValues : public Page
                 DataName[i] = xdrDelete(bvalue->getName());
                 DataName[i] = DataName[i].substring(0, 6);                  // String length limit for value name
                 DataValue[i] = bvalue->value;                 // Value as double in SI unit
+                calibrationData.calibrateInstance(DataName[i], bvalue, logger); // Check if boat data value is to be calibrated
                 DataValid[i] = bvalue->valid;
                 DataText[i] = formatValue(bvalue, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
                 DataUnits[i] = formatValue(bvalue, *commonData).unit;   

lib/obp60task/PageThreeValues.cpp

@@ -2,6 +2,7 @@
 
 #include "Pagedata.h"
 #include "OBP60Extensions.h"
+#include "BoatDataCalibration.h"
 
 class PageThreeValues : public Page
 {
@@ -45,6 +46,7 @@ class PageThreeValues : public Page
         name1 = name1.substring(0, 6);                  // String length limit for value name
         double value1 = bvalue1->value;                 // Value as double in SI unit
         bool valid1 = bvalue1->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name1, bvalue1, logger); // Check if boat data value is to be calibrated
         String svalue1 = formatValue(bvalue1, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit1 = formatValue(bvalue1, *commonData).unit;        // Unit of value
 
@@ -54,6 +56,7 @@ class PageThreeValues : public Page
         name2 = name2.substring(0, 6);                  // String length limit for value name
         double value2 = bvalue2->value;                 // Value as double in SI unit
         bool valid2 = bvalue2->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name2, bvalue2, logger); // Check if boat data value is to be calibrated
         String svalue2 = formatValue(bvalue2, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit2 = formatValue(bvalue2, *commonData).unit;        // Unit of value
 
@@ -63,6 +66,7 @@ class PageThreeValues : public Page
         name3 = name3.substring(0, 6);                  // String length limit for value name
         double value3 = bvalue3->value;                 // Value as double in SI unit
         bool valid3 = bvalue3->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name3, bvalue3, logger); // Check if boat data value is to be calibrated
         String svalue3 = formatValue(bvalue3, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit3 = formatValue(bvalue3, *commonData).unit;        // Unit of value
 

lib/obp60task/PageTwoValues.cpp

@@ -2,6 +2,7 @@
 
 #include "Pagedata.h"
 #include "OBP60Extensions.h"
+#include "BoatDataCalibration.h"
 
 class PageTwoValues : public Page
 {
@@ -43,6 +44,7 @@ class PageTwoValues : public Page
         name1 = name1.substring(0, 6);                  // String length limit for value name
         double value1 = bvalue1->value;                 // Value as double in SI unit
         bool valid1 = bvalue1->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name1, bvalue1, logger); // Check if boat data value is to be calibrated
         String svalue1 = formatValue(bvalue1, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit1 = formatValue(bvalue1, *commonData).unit;        // Unit of value
 
@@ -52,6 +54,7 @@ class PageTwoValues : public Page
         name2 = name2.substring(0, 6);                  // String length limit for value name
         double value2 = bvalue2->value;                 // Value as double in SI unit
         bool valid2 = bvalue2->valid;                   // Valid information 
+        calibrationData.calibrateInstance(name2, bvalue2, logger); // Check if boat data value is to be calibrated
         String svalue2 = formatValue(bvalue2, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
         String unit2 = formatValue(bvalue2, *commonData).unit;        // Unit of value
 

lib/obp60task/PageWind.cpp

@@ -3,6 +3,7 @@
 #include "Pagedata.h"
 #include "OBP60Extensions.h"
 #include "N2kMessages.h"
+#include "BoatDataCalibration.h"
 
 #define front_width 120
 #define front_height 162
@@ -323,6 +324,7 @@ public:
         }
         String name1 = bvalue1->getName().c_str();      // Value name
         name1 = name1.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name1, bvalue1, logger); // Check if boat data value is to be calibrated
         double value1 = bvalue1->value;                 // Value as double in SI unit
         // bool valid1 = bvalue1->valid;                   // Valid information
         String svalue1 = formatValue(bvalue1, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
@@ -336,6 +338,7 @@ public:
         }
         String name2 = bvalue2->getName().c_str();      // Value name
         name2 = name2.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name2, bvalue2, logger); // Check if boat data value is to be calibrated
         double value2 = bvalue2->value;                 // Value as double in SI unit
         // bool valid2 = bvalue2->valid;                   // Valid information
         if (simulation) {

lib/obp60task/PageWindRose.cpp

@@ -2,6 +2,7 @@
 
 #include "Pagedata.h"
 #include "OBP60Extensions.h"
+#include "BoatDataCalibration.h"
 
 class PageWindRose : public Page
 {
@@ -51,6 +52,7 @@ public:
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
         String name1 = xdrDelete(bvalue1->getName());   // Value name
         name1 = name1.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name1, bvalue1, logger); // Check if boat data value is to be calibrated
         double value1 = bvalue1->value;                 // Value as double in SI unit
         bool valid1 = bvalue1->valid;                   // Valid information
         value1 = formatValue(bvalue1, *commonData).value;// Format only nesaccery for simulation data for pointer
@@ -65,6 +67,7 @@ public:
         GwApi::BoatValue *bvalue2 = pageData.values[1]; // First element in list (only one value by PageOneValue)
         String name2 = xdrDelete(bvalue2->getName());   // Value name
         name2 = name2.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name2, bvalue2, logger); // Check if boat data value is to be calibrated
         double value2 = bvalue2->value;                 // Value as double in SI unit
         bool valid2 = bvalue2->valid;                   // Valid information 
         String svalue2 = formatValue(bvalue2, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
@@ -78,6 +81,7 @@ public:
         GwApi::BoatValue *bvalue3 = pageData.values[2]; // Second element in list (only one value by PageOneValue)
         String name3 = xdrDelete(bvalue3->getName());   // Value name
         name3 = name3.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name3, bvalue3, logger); // Check if boat data value is to be calibrated
         double value3 = bvalue3->value;                 // Value as double in SI unit
         bool valid3 = bvalue3->valid;                   // Valid information 
         String svalue3 = formatValue(bvalue3, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
@@ -91,6 +95,7 @@ public:
         GwApi::BoatValue *bvalue4 = pageData.values[3]; // Second element in list (only one value by PageOneValue)
         String name4 = xdrDelete(bvalue4->getName());      // Value name
         name4 = name4.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name4, bvalue4, logger); // Check if boat data value is to be calibrated
         double value4 = bvalue4->value;                 // Value as double in SI unit
         bool valid4 = bvalue4->valid;                   // Valid information 
         String svalue4 = formatValue(bvalue4, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
@@ -104,6 +109,7 @@ public:
         GwApi::BoatValue *bvalue5 = pageData.values[4]; // Second element in list (only one value by PageOneValue)
         String name5 = xdrDelete(bvalue5->getName());      // Value name
         name5 = name5.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name5, bvalue5, logger); // Check if boat data value is to be calibrated
         double value5 = bvalue5->value;                 // Value as double in SI unit
         bool valid5 = bvalue5->valid;                   // Valid information 
         String svalue5 = formatValue(bvalue5, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
@@ -117,6 +123,7 @@ public:
         GwApi::BoatValue *bvalue6 = pageData.values[5]; // Second element in list (only one value by PageOneValue)
         String name6 = xdrDelete(bvalue6->getName());      // Value name
         name6 = name6.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name6, bvalue6, logger); // Check if boat data value is to be calibrated
         double value6 = bvalue6->value;                 // Value as double in SI unit
         bool valid6 = bvalue6->valid;                   // Valid information 
         String svalue6 = formatValue(bvalue6, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places

lib/obp60task/PageWindRoseFlex.cpp

@@ -2,6 +2,7 @@
 
 #include "Pagedata.h"
 #include "OBP60Extensions.h"
+#include "BoatDataCalibration.h"
 
 class PageWindRoseFlex : public Page
 {
@@ -51,6 +52,7 @@ public:
         GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
         String name1 = xdrDelete(bvalue1->getName());   // Value name
         name1 = name1.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name1, bvalue1, logger); // Check if boat data value is to be calibrated
         double value1 = bvalue1->value;                 // Value as double in SI unit
         bool valid1 = bvalue1->valid;                   // Valid information
         value1 = formatValue(bvalue1, *commonData).value;// Format only nesaccery for simulation data for pointer
@@ -65,6 +67,7 @@ public:
         GwApi::BoatValue *bvalue2 = pageData.values[1]; // First element in list (only one value by PageOneValue)
         String name2 = xdrDelete(bvalue2->getName());   // Value name
         name2 = name2.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name2, bvalue2, logger); // Check if boat data value is to be calibrated
         double value2 = bvalue2->value;                 // Value as double in SI unit
         bool valid2 = bvalue2->valid;                   // Valid information 
         String svalue2 = formatValue(bvalue2, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
@@ -78,6 +81,7 @@ public:
         GwApi::BoatValue *bvalue3 = pageData.values[2]; // Second element in list (only one value by PageOneValue)
         String name3 = xdrDelete(bvalue3->getName());   // Value name
         name3 = name3.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name3, bvalue3, logger); // Check if boat data value is to be calibrated
         double value3 = bvalue3->value;                 // Value as double in SI unit
         bool valid3 = bvalue3->valid;                   // Valid information 
         String svalue3 = formatValue(bvalue3, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
@@ -91,6 +95,7 @@ public:
         GwApi::BoatValue *bvalue4 = pageData.values[3]; // Second element in list (only one value by PageOneValue)
         String name4 = xdrDelete(bvalue4->getName());      // Value name
         name4 = name4.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name4, bvalue4, logger); // Check if boat data value is to be calibrated
         double value4 = bvalue4->value;                 // Value as double in SI unit
         bool valid4 = bvalue4->valid;                   // Valid information 
         String svalue4 = formatValue(bvalue4, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
@@ -104,6 +109,7 @@ public:
         GwApi::BoatValue *bvalue5 = pageData.values[4]; // Second element in list (only one value by PageOneValue)
         String name5 = xdrDelete(bvalue5->getName());      // Value name
         name5 = name5.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name5, bvalue5, logger); // Check if boat data value is to be calibrated
         double value5 = bvalue5->value;                 // Value as double in SI unit
         bool valid5 = bvalue5->valid;                   // Valid information 
         String svalue5 = formatValue(bvalue5, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
@@ -117,6 +123,7 @@ public:
         GwApi::BoatValue *bvalue6 = pageData.values[5]; // Second element in list (only one value by PageOneValue)
         String name6 = xdrDelete(bvalue6->getName());      // Value name
         name6 = name6.substring(0, 6);                  // String length limit for value name
+        calibrationData.calibrateInstance(name6, bvalue6, logger); // Check if boat data value is to be calibrated
         double value6 = bvalue6->value;                 // Value as double in SI unit
         bool valid6 = bvalue6->valid;                   // Valid information 
         String svalue6 = formatValue(bvalue6, *commonData).svalue;    // Formatted value as string including unit conversion and switching decimal places
@@ -144,35 +151,15 @@ public:
 
         getdisplay().setTextColor(commonData->fgcolor);
 
-        // Show values AWA
+        // Show value 2 at position of value 1 (top left)
         getdisplay().setFont(&DSEG7Classic_BoldItalic20pt7b);
         getdisplay().setCursor(10, 65);
-        getdisplay().print(svalue1);                     // Value
-        getdisplay().setFont(&Ubuntu_Bold12pt7b);
-        getdisplay().setCursor(10, 95);
-        getdisplay().print(name1);                       // Name
-        getdisplay().setFont(&Ubuntu_Bold8pt7b);
-        getdisplay().setCursor(10, 115);
-        getdisplay().print(" ");
-        if(holdvalues == false){
-            getdisplay().print(unit1);                   // Unit
-        }
-        else{
-            getdisplay().print(unit1old);                // Unit
-        }
-
-        // Horizintal separator left
-        getdisplay().fillRect(0, 149, 60, 3, commonData->fgcolor);
-
-        // Show values AWS
-        getdisplay().setFont(&DSEG7Classic_BoldItalic20pt7b);
-        getdisplay().setCursor(10, 270);
         getdisplay().print(svalue2);                     // Value
         getdisplay().setFont(&Ubuntu_Bold12pt7b);
-        getdisplay().setCursor(10, 220);
+        getdisplay().setCursor(10, 95);
         getdisplay().print(name2);                       // Name
         getdisplay().setFont(&Ubuntu_Bold8pt7b);
-        getdisplay().setCursor(10, 190);
+        getdisplay().setCursor(10, 115);
         getdisplay().print(" ");
         if(holdvalues == false){
             getdisplay().print(unit2);                   // Unit
@@ -181,21 +168,18 @@ public:
             getdisplay().print(unit2old);                // Unit
         }
 
-        // Show values TWD
+        // Horizintal separator left
+        getdisplay().fillRect(0, 149, 60, 3, commonData->fgcolor);
+
+        // Show value 3 at bottom left
         getdisplay().setFont(&DSEG7Classic_BoldItalic20pt7b);
-        getdisplay().setCursor(295, 65);
-        if(valid3 == true){
-           // getdisplay().print(abs(value3 * 180 / PI), 0);   // Value          
-            getdisplay().print(svalue3);     // Value
-        }
-        else{
-            getdisplay().print("---");                   // Value
-        }
+        getdisplay().setCursor(10, 270);
+        getdisplay().print(svalue3);                     // Value
         getdisplay().setFont(&Ubuntu_Bold12pt7b);
-        getdisplay().setCursor(335, 95);
+        getdisplay().setCursor(10, 220);
         getdisplay().print(name3);                       // Name
         getdisplay().setFont(&Ubuntu_Bold8pt7b);
-        getdisplay().setCursor(335, 115);
+        getdisplay().setCursor(10, 190);
         getdisplay().print(" ");
         if(holdvalues == false){
             getdisplay().print(unit3);                   // Unit
@@ -204,26 +188,50 @@ public:
             getdisplay().print(unit3old);                // Unit
         }
 
-        // Horizintal separator right
-        getdisplay().fillRect(340, 149, 80, 3, commonData->fgcolor);
-
-        // Show values TWS
+        // Show value 4 at top right
         getdisplay().setFont(&DSEG7Classic_BoldItalic20pt7b);
-        getdisplay().setCursor(295, 270);
-        getdisplay().print(svalue4);                     // Value
+        getdisplay().setCursor(295, 65);
+        if(valid3 == true){
+           // getdisplay().print(abs(value3 * 180 / PI), 0);   // Value          
+            getdisplay().print(svalue4);     // Value
+        }
+        else{
+            getdisplay().print("---");                   // Value
+        }
         getdisplay().setFont(&Ubuntu_Bold12pt7b);
-        getdisplay().setCursor(335, 220);
+        getdisplay().setCursor(335, 95);
         getdisplay().print(name4);                       // Name
         getdisplay().setFont(&Ubuntu_Bold8pt7b);
-        getdisplay().setCursor(335, 190);
+        getdisplay().setCursor(335, 115);
         getdisplay().print(" ");
         if(holdvalues == false){
             getdisplay().print(unit4);                   // Unit
         }
-        else{  
+        else{
             getdisplay().print(unit4old);                // Unit
         }
 
+        // Horizintal separator right
+        getdisplay().fillRect(340, 149, 80, 3, commonData->fgcolor);
+
+        // Show value 5 at bottom right
+        getdisplay().setFont(&DSEG7Classic_BoldItalic20pt7b);
+        getdisplay().setCursor(295, 270);
+        getdisplay().print(svalue5);                     // Value
+        getdisplay().setFont(&Ubuntu_Bold12pt7b);
+        getdisplay().setCursor(335, 220);
+        getdisplay().print(name5);                       // Name
+        getdisplay().setFont(&Ubuntu_Bold8pt7b);
+        getdisplay().setCursor(335, 190);
+        getdisplay().print(" ");
+        if(holdvalues == false){
+            getdisplay().print(unit5);                   // Unit
+        }
+        else{  
+            getdisplay().print(unit5old);                // Unit
+        }
+        
+
 //*******************************************************************************************
         
         // Draw wind rose
@@ -323,33 +331,36 @@ public:
 
 //*******************************************************************************************
 
-        // Show values DBT
-        getdisplay().setFont(&DSEG7Classic_BoldItalic16pt7b);
-        getdisplay().setCursor(160, 200);
-        getdisplay().print(svalue5);                     // Value
-        getdisplay().setFont(&Ubuntu_Bold8pt7b);
-        getdisplay().setCursor(190, 215);
-        getdisplay().print(" ");
-        if(holdvalues == false){
-            getdisplay().print(unit5);                   // Unit
-        }
-        else{  
-            getdisplay().print(unit5old);                // Unit
-        }
-
-        // Show values STW
-        getdisplay().setFont(&DSEG7Classic_BoldItalic16pt7b);
-        getdisplay().setCursor(160, 130);
-        getdisplay().print(svalue6);                     // Value
-        getdisplay().setFont(&Ubuntu_Bold8pt7b);
-        getdisplay().setCursor(190, 90);
-        getdisplay().print(" ");
-        if(holdvalues == false){
-            getdisplay().print(unit6);                   // Unit
-        }
-        else{  
-            getdisplay().print(unit6old);                // Unit
-        }
+// Show value6, so that it does not collide with the wind pointer
+if ( cos(value1) > 0){ 
+    getdisplay().setFont(&DSEG7Classic_BoldItalic16pt7b);
+    getdisplay().setCursor(160, 200);
+    getdisplay().print(svalue6);                     // Value
+    getdisplay().setFont(&Ubuntu_Bold8pt7b);
+    getdisplay().setCursor(190, 215);
+    getdisplay().print(" ");
+    if(holdvalues == false){
+        getdisplay().print(unit6);                   // Unit
+    }
+    else{  
+        getdisplay().print(unit6old);                // Unit
+    } 
+    }
+    else{ 
+    getdisplay().setFont(&DSEG7Classic_BoldItalic16pt7b);
+    getdisplay().setCursor(160, 130);
+    getdisplay().print(svalue6);                     // Value
+    getdisplay().setFont(&Ubuntu_Bold8pt7b);
+    getdisplay().setCursor(190, 90);
+    getdisplay().print(" ");
+    if(holdvalues == false){
+        getdisplay().print(unit6);                   // Unit
+    }
+    else{  
+        getdisplay().print(unit6old);                // Unit
+    }
+    }
+    
 
         // Update display
         getdisplay().nextPage();    // Partial update (fast)

lib/obp60task/config.json

@@ -686,6 +686,189 @@
             "obp60":"true"
         }
     },
+    {
+        "name": "calInstance1",
+        "label": "Calibration Data Instance 1",
+        "type": "list",
+        "default": "---",
+        "description": "Data instance for calibration",
+        "list": [
+            "---",
+            "AWA",
+            "AWS",
+            "DBT",
+            "HDM",
+            "PRPOS",
+            "RPOS",
+            "STW",
+            "TWA",
+            "TWS",
+            "TWD",
+            "WTemp"
+        ],
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "calOffset1",
+        "label": "Data Instance 1 Calibration Offset",
+        "type": "number",
+        "default": "0.00",
+        "description": "Offset for data instance 1",
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "calSlope1",
+        "label": "Data Instance 1 Calibration Slope",
+        "type": "number",
+        "default": "1.00",
+        "description": "Slope for data instance 1",
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "calSmooth1",
+        "label": "Data Instance 1 Smoothing",
+        "type": "number",
+        "default": "0",
+        "check": "checkMinMax",
+        "min": 0,
+        "max": 10,
+        "description": "Smoothing factor for data instance 1",
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "calInstance2",
+        "label": "Calibration Data Instance 2",
+        "type": "list",
+        "default": "---",
+        "description": "Data instance for calibration",
+        "list": [
+            "---",
+            "AWA",
+            "AWS",
+            "DBT",
+            "HDM",
+            "PRPOS",
+            "RPOS",
+            "STW",
+            "TWA",
+            "TWS",
+            "TWD",
+            "WTemp"
+        ],
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "calOffset2",
+        "label": "Data Instance 2 Calibration Offset",
+        "type": "number",
+        "default": "0.00",
+        "description": "Offset for data instance 2",
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "calSlope2",
+        "label": "Data Instance 2 Calibration Slope",
+        "type": "number",
+        "default": "1.00",
+        "description": "Slope for data instance 2",
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "calSmooth2",
+        "label": "Data Instance 2 Smoothing",
+        "type": "number",
+        "default": "0",
+        "check": "checkMinMax",
+        "min": 0,
+        "max": 10,
+        "description": "Smoothing factor for data instance 2",
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "calInstance3",
+        "label": "Calibration Data Instance 3",
+        "type": "list",
+        "default": "---",
+        "description": "Data instance for calibration",
+        "list": [
+            "---",
+            "AWA",
+            "AWS",
+            "DBT",
+            "HDM",
+            "PRPOS",
+            "RPOS",
+            "STW",
+            "TWA",
+            "TWS",
+            "TWD",
+            "WTemp"
+        ],
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "calOffset3",
+        "label": "Data Instance 3 Calibration Offset",
+        "type": "number",
+        "default": "0.00",
+        "description": "Offset for data instance 3",
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "calSlope3",
+        "label": "Data Instance 3 Calibration Slope",
+        "type": "number",
+        "default": "1.00",
+        "description": "Slope for data instance 3",
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
+    {
+        "name": "calSmooth3",
+        "label": "Data Instance 3 Smoothing",
+        "type": "number",
+        "default": "0",
+        "check": "checkMinMax",
+        "min": 0,
+        "max": 10,
+        "description": "Smoothing factor for data instance 3",
+        "category": "OBP60 Calibrations",
+        "capabilities": {
+            "obp60":"true"
+        }
+    },
     {
         "name": "display",
         "label": "Display Mode",

lib/obp60task/obp60task.cpp

@@ -12,6 +12,7 @@
 #include <GxEPD2_BW.h>                  // GxEPD2 lib for b/w E-Ink displays
 #include "OBP60Extensions.h"            // Functions lib for extension board
 #include "OBP60Keypad.h"                // Functions for keypad
+#include "BoatDataCalibration.h"        // Functions lib for data instance calibration
 
 #ifdef BOARD_OBP40S3
 #include "driver/rtc_io.h"              // Needs for weakup from deep sleep
@@ -524,6 +525,9 @@ void OBP60Task(GwApi *api){
     // add out of band system page (always available)
     Page *syspage = allPages.pages[0]->creator(commonData);
 
+    // Read all calibration data settings from config
+    calibrationData.readConfig(config, logger);
+
     // Display screenshot handler for HTTP request
     // http://192.168.15.1/api/user/OBP60Task/screenshot
     api->registerRequestHandler("screenshot", [api, &pageNumber, pages](AsyncWebServerRequest *request) {