Fix typo: Formated -> Formatted

Change xbm file header to fix strange accesspoint behaviour

extra_script.py

@@ -526,3 +526,17 @@ env.Append(
 )
 #script does not run on clean yet - maybe in the future
 env.AddPostAction("clean",cleangenerated)
+
+#look for extra task scripts and include them here
+for taskdir in userTaskDirs:
+    script = os.path.join(taskdir, "extra_task.py")
+    if os.path.isfile(script):
+        taskname = os.path.basename(os.path.normpath(taskdir))
+        print("#extra task script for '{}'".format(taskname))
+        with open(script) as fh:
+            try:
+                code = compile(fh.read(), taskname, 'exec')
+            except SyntaxError:
+                print("#ERROR: script does not compile")
+                continue
+            exec(code)

extra_script.py.new

@@ -520,19 +520,23 @@ prebuild(env)
 board="PLATFORM_BOARD_%s"%env["BOARD"].replace("-","_").upper()
 print("Board=#%s#"%board)
 print("BuildFlags=%s"%(" ".join(env["BUILD_FLAGS"])))
-
-epdtype = "unknown"
-pcbvers = "unknown"
-for x in env["BUILD_FLAGS"]:
-    if x.startswith("-D HARDWARE_"):
-        pcbvers = x.split('_')[1]
-    if x.startswith("-D DISPLAY_"):
-        epdtype = x.split('_')[1]
-
 env.Append(
     LINKFLAGS=[ "-u", "custom_app_desc" ],
-    CPPDEFINES=[(board,"1"), ("BOARD", env["BOARD"]), ("EPDTYPE", epdtype),
+    CPPDEFINES=[(board,"1")]
-                ("PCBVERS", pcbvers)]
 )
 #script does not run on clean yet - maybe in the future
 env.AddPostAction("clean",cleangenerated)
+
+#look for extra task scripts and include them here
+for taskdir in userTaskDirs:
+    script = os.path.join(taskdir, "extra_task.py")
+    if os.path.isfile(script):
+        taskname = os.path.basename(os.path.normpath(taskdir))
+        print("#extra task script for '{}'".format(taskname))
+        with open(script) as fh:
+            try:
+                code = compile(fh.read(), taskname, 'exec')
+            except SyntaxError:
+                print("#ERROR: script does not compile")
+                continue
+            exec(code)

lib/obp60task/OBP60Extensions.cpp

@@ -300,6 +300,49 @@ void fillPoly4(const std::vector<Point>& p4, uint16_t color) {
     getdisplay().fillTriangle(p4[0].x, p4[0].y, p4[2].x, p4[2].y, p4[3].x, p4[3].y, color);
 }
 
+// Split string into words, whitespace separated
+std::vector<String> split(const String &s) {
+    std::vector<String> words;
+    String word = "";
+    for (size_t i = 0; i < s.length(); i++) {
+        if (s[i] == ' ' || s[i] == '\t' || s[i] == '\r' || s[i] == '\n')  {
+            if (word.length() > 0) {
+                words.push_back(word);
+                word = "";
+            }
+        } else {
+             word += s[i];
+        }
+    }
+    if (word.length() > 0) {
+        words.push_back(word);
+    }
+    return words;
+}
+
+// Wordwrap single line, monospaced font
+std::vector<String> wordwrap(String &line, uint16_t maxwidth) {
+    std::vector<String> lines;
+    std::vector<String> words = split(line);
+    String currentLine = "";
+    for (const auto& word : words) {
+        if (currentLine.length() + word.length() + 1 > maxwidth) {
+             if (currentLine.length() > 0) {
+                  lines.push_back(currentLine);
+                  currentLine = "";
+             }
+        }
+        if (currentLine.length() > 0) {
+            currentLine += " ";
+        }
+        currentLine += word;
+    }
+    if (currentLine.length() > 0) {
+        lines.push_back(currentLine);
+    }
+    return lines;
+}
+
 // Draw centered text
 void drawTextCenter(int16_t cx, int16_t cy, String text) {
     int16_t x1, y1;
@@ -545,6 +588,47 @@ void displayFooter(CommonData &commonData) {
 #endif
 }
 
+// Alarm overlay, to be drawn as very last draw operation
+void displayAlarm(CommonData &commonData) {
+
+    const uint16_t x = 50;   // overlay area
+    const uint16_t y = 100;
+    const uint16_t w = 300;
+    const uint16_t h = 150;
+
+    getdisplay().setFont(&Atari16px);
+    getdisplay().setTextColor(commonData.fgcolor);
+
+    // overlay
+    getdisplay().drawRect(x, y, w, h, commonData.fgcolor);
+    getdisplay().fillRect(x + 1, y + 1, w - 1, h - 1, commonData.bgcolor);
+    getdisplay().drawRect(x + 3, y + 3, w - 5, h - 5, commonData.fgcolor);
+
+    // exclamation icon in left top corner
+    getdisplay().drawXBitmap(x + 16, y + 16, exclamation_bits, exclamation_width, exclamation_height, commonData.fgcolor);
+
+    // title
+    getdisplay().setCursor(x + 64, y + 30);
+    getdisplay().print("A L A R M");
+    getdisplay().setCursor(x + 64, y + 48);
+    getdisplay().print("#" + commonData.alarm.id);
+    getdisplay().print(" from ");
+    getdisplay().print(commonData.alarm.source);
+
+    // message, but maximum 4 lines
+    std::vector<String> lines = wordwrap (commonData.alarm.message, w - 16 - 8 / 8);
+    int n = 0;
+    for (const auto& l : lines) {
+        getdisplay().setCursor(x + 16, y + 80 + n);
+        getdisplay().print(l);
+        n += 16;
+        if (n > 64) {
+            break;
+        }
+    }
+    drawTextCenter(x + w / 2,  y + h - 16, "Press button 1 to dismiss alarm");
+}
+
 // Sunset und sunrise calculation
 SunData calcSunsetSunrise(double time, double date, double latitude, double longitude, float timezone){
     SunData returnset;

lib/obp60task/OBP60Extensions.h

@@ -57,6 +57,11 @@ GxEPD2_BW<GxEPD2_420_GYE042A87, GxEPD2_420_GYE042A87::HEIGHT> & getdisplay();
 GxEPD2_BW<GxEPD2_420_SE0420NQ04, GxEPD2_420_SE0420NQ04::HEIGHT> & getdisplay();
 #endif
 
+// Page display return values
+#define PAGE_OK 0          // all ok, do nothing
+#define PAGE_UPDATE 1      // page wants display to update
+#define PAGE_HIBERNATE 2   // page wants displey to hibernate
+
 struct Point {
     double x;
     double y;
@@ -97,6 +102,7 @@ void displayTrendLow(int16_t x, int16_t y, uint16_t size, uint16_t color);
 
 void displayHeader(CommonData &commonData, GwApi::BoatValue *date, GwApi::BoatValue *time, GwApi::BoatValue *hdop); // Draw display header
 void displayFooter(CommonData &commonData);
+void displayAlarm(CommonData &commonData);
 
 SunData calcSunsetSunrise(double time, double date, double latitude, double longitude, float timezone); // Calulate sunset and sunrise
 SunData calcSunsetSunriseRTC(struct tm *rtctime, double latitude, double longitude, float timezone);
@@ -142,12 +148,12 @@ static unsigned char fram_bits[] PROGMEM = {
    0xff, 0xff, 0xf8, 0x1f, 0xf8, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f,
    0xf8, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f };
 
-static unsigned char ap_bits[] = {
+static unsigned char ap_bits[] PROGMEM = {
    0xe0, 0x03, 0x18, 0x0c, 0x04, 0x10, 0xc2, 0x21, 0x30, 0x06, 0x08, 0x08,
    0xc0, 0x01, 0x20, 0x02, 0x00, 0x00, 0x80, 0x00, 0xc0, 0x01, 0xc0, 0x01,
    0x80, 0x00, 0x80, 0x00, 0x80, 0x00, 0x80, 0x00 };
 
-static unsigned char dish_bits[] PROGMEM= {
+static unsigned char dish_bits[] PROGMEM = {
    0x3c, 0x00, 0x42, 0x18, 0xfa, 0x1b, 0x02, 0x04, 0x02, 0x0a, 0x02, 0x09,
    0x82, 0x08, 0x06, 0x0a, 0x0e, 0x1b, 0x9c, 0x2b, 0x38, 0x2b, 0x74, 0x20,
    0xec, 0x1f, 0x1c, 0x00, 0xf4, 0x00, 0xfe, 0x03 };

lib/obp60task/OBP60Formatter.cpp

@@ -37,9 +37,21 @@ String formatTime(char fmttype, uint8_t hour, uint8_t minute, uint8_t second) {
     return String(buffer);
 }
 
-FormatedData formatValue(GwApi::BoatValue *value, CommonData &commondata){
+String formatLatitude(double lat) {
+    float degree = abs(int(lat));
+    float minute = abs((lat - int(lat)) * 60);
+    return String(degree, 0) + "\x90 " + String(minute, 4) + "' " + ((lat > 0) ? "N" : "S");
+}
+
+String formatLongitude(double lon) {
+    float degree = abs(int(lon));
+    float minute = abs((lon - int(lon)) * 60);
+    return String(degree, 0) + "\x90 " + String(minute, 4) + "' " + ((lon > 0) ? "E" : "W");
+}
+
+FormattedData formatValue(GwApi::BoatValue *value, CommonData &commondata){
     GwLog *logger = commondata.logger;
-    FormatedData result;
+    FormattedData result;
     static int dayoffset = 0;
     double rawvalue = 0;
 

lib/obp60task/OBPDataOperations.cpp

@@ -0,0 +1,158 @@
+#include "OBPDataOperations.h"
+
+double WindUtils::to2PI(double a)
+{
+    a = fmod(a, 2 * M_PI);
+    if (a < 0.0) {
+        a += 2 * M_PI;
+    }
+    return a;
+}
+
+double WindUtils::toPI(double a)
+{
+    a += M_PI;
+    a = to2PI(a);
+    a -= M_PI;
+
+    return a;
+}
+
+double WindUtils::to360(double a)
+{
+    a = fmod(a, 360);
+    if (a < 0.0) {
+        a += 360;
+    }
+    return a;
+}
+
+double WindUtils::to180(double a)
+{
+    a += 180;
+    a = to360(a);
+    a -= 180;
+
+    return a;
+}
+
+void WindUtils::toCart(const double* phi, const double* r, double* x, double* y)
+{
+    *x = *r * sin(*phi);
+    *y = *r * cos(*phi);
+}
+
+void WindUtils::toPol(const double* x, const double* y, double* phi, double* r)
+{
+    *phi = (M_PI / 2) - atan2(*y, *x);
+    *phi = to2PI(*phi);
+    *r = sqrt(*x * *x + *y * *y);
+}
+
+void WindUtils::addPolar(const double* phi1, const double* r1,
+    const double* phi2, const double* r2,
+    double* phi, double* r)
+{
+    double x1, y1, x2, y2;
+    toCart(phi1, r1, &x1, &y1);
+    toCart(phi2, r2, &x2, &y2);
+    x1 += x2;
+    y1 += y2;
+    toPol(&x1, &y1, phi, r);
+}
+
+void WindUtils::calcTwdSA(const double* AWA, const double* AWS,
+    const double* CTW, const double* STW, const double* HDT,
+    double* TWD, double* TWS, double* TWA)
+{
+    double awd = *AWA + *HDT;
+    awd = to2PI(awd);
+    double stw = -*STW;
+    //    Serial.println("\ncalcTwdSA: AWA: " + String(*AWA) + ", AWS: " + String(*AWS) + ", CTW: " + String(*CTW) + ", STW: " + String(*STW) + ", HDT: " + String(*HDT));
+    addPolar(&awd, AWS, CTW, &stw, TWD, TWS);
+
+    // Normalize TWD and TWA to 0-360°
+    *TWD = to2PI(*TWD);
+    *TWA = toPI(*TWD - *HDT);
+    //    Serial.println("calcTwdSA: TWD: " + String(*TWD) + ", TWS: " + String(*TWS));
+}
+
+bool WindUtils::calcTrueWind(const double* awaVal, const double* awsVal,
+    const double* cogVal, const double* stwVal, const double* sogVal, const double* hdtVal,
+    const double* hdmVal, const double* varVal, double* twdVal, double* twsVal, double* twaVal)
+{
+    double stw, hdt, ctw;
+    double twd, tws, twa;
+    static const double DBL_MIN = std::numeric_limits<double>::lowest();
+
+    if (*hdtVal != DBL_MIN) {
+        hdt = *hdtVal; // Use HDT if available
+    } else {
+        if (*hdmVal != DBL_MIN && *varVal != DBL_MIN) {
+            hdt = *hdmVal + *varVal; // Use corrected HDM if HDT is not available
+            hdt = to2PI(hdt);
+        } else if (*cogVal != DBL_MIN) {
+            hdt = *cogVal; // Use COG as fallback if HDT and HDM are not available
+        } else {
+            return false; // Cannot calculate without valid HDT or HDM
+        }
+    }
+
+    if (*cogVal != DBL_MIN) {
+        ctw = *cogVal; // Use COG as CTW if available
+        //    ctw = *cogVal + ((*cogVal - hdt) / 2); // Estimate CTW from COG
+    } else {
+        ctw = hdt; // 2nd approximation for CTW;
+        return false;
+    }
+
+    if (*stwVal != DBL_MIN) {
+        stw = *stwVal; // Use STW if available
+    } else if (*sogVal != DBL_MIN) {
+        stw = *sogVal;
+    } else {
+        // If STW and SOG are not available, we cannot calculate true wind
+        return false;
+    }
+
+    if ((*awaVal == DBL_MIN) || (*awsVal == DBL_MIN) || (*cogVal == DBL_MIN) || (*stwVal == DBL_MIN)) {
+        // Cannot calculate true wind without valid AWA, AWS, COG, or STW
+        return false;
+    } else {
+        calcTwdSA(awaVal, awsVal, &ctw, stwVal, &hdt, &twd, &tws, &twa);
+        *twdVal = twd;
+        *twsVal = tws;
+        *twaVal = twa;
+
+        return true;
+    }
+}
+
+void HstryBuf::fillWndBufSimData(tBoatHstryData& hstryBufs)
+// Fill most part of TWD and TWS history buffer with simulated data
+{
+    double value = 20.0;
+    int16_t value2 = 0;
+    for (int i = 0; i < 900; i++) {
+        value += random(-20, 20);
+        value = WindUtils::to360(value);
+        value2 = static_cast<int16_t>(value * DEG_TO_RAD * 1000);
+        hstryBufs.twdHstry->add(value2);
+    }
+}
+
+/* double genTwdSimDat()
+{
+    simTwd += random(-20, 20);
+    if (simTwd < 0.0)
+        simTwd += 360.0;
+    if (simTwd >= 360.0)
+        simTwd -= 360.0;
+
+    int16_t z = static_cast<int16_t>(DegToRad(simTwd) * 1000.0);
+    pageData.boatHstry.twdHstry->add(z); // Fill the buffer with some test data
+
+    simTws += random(-200, 150) / 10.0; // TWS value in knots
+    simTws = constrain(simTws, 0.0f, 50.0f); // Ensure TWS is between 0 and 50 knots
+    twsValue = simTws;
+}*/

lib/obp60task/OBPDataOperations.h

@@ -0,0 +1,36 @@
+#pragma once
+#include "GwApi.h"
+#include "OBPRingBuffer.h"
+#include <Arduino.h>
+#include <math.h>
+
+typedef struct {
+    RingBuffer<int16_t>* twdHstry;
+    RingBuffer<int16_t>* twsHstry;
+} tBoatHstryData; // Holds pointers to all history buffers for boat data
+
+class HstryBuf {
+
+public:
+    void fillWndBufSimData(tBoatHstryData& hstryBufs); // Fill most part of the TWD and TWS history buffer with simulated data
+};
+
+class WindUtils {
+
+public:
+    static double to2PI(double a);
+    static double toPI(double a);
+    static double to360(double a);
+    static double to180(double a);
+    static void toCart(const double* phi, const double* r, double* x, double* y);
+    static void toPol(const double* x, const double* y, double* phi, double* r);
+    static void addPolar(const double* phi1, const double* r1,
+        const double* phi2, const double* r2,
+        double* phi, double* r);
+    static void calcTwdSA(const double* AWA, const double* AWS,
+        const double* CTW, const double* STW, const double* HDT,
+        double* TWD, double* TWS, double* TWA);
+    static bool calcTrueWind(const double* awaVal, const double* awsVal,
+        const double* cogVal, const double* stwVal, const double* sogVal, const double* hdtVal,
+        const double* hdmVal, const double* varVal, double* twdVal, double* twsVal, double* twaVal);
+};

lib/obp60task/OBPRingBuffer.h

@@ -0,0 +1,60 @@
+#pragma once
+#include "GwSynchronized.h"
+#include <algorithm>
+#include <limits>
+#include <stdexcept>
+#include <vector>
+#include "WString.h"
+
+template <typename T>
+class RingBuffer {
+private:
+    mutable SemaphoreHandle_t bufLocker;
+    std::vector<T> buffer;
+    size_t capacity;
+    size_t head; // Points to the next insertion position
+    size_t first; // Points to the first (oldest) valid element
+    size_t last; // Points to the last (newest) valid element
+    size_t count; // Number of valid elements currently in buffer
+    bool is_Full; // Indicates that all buffer elements are used and ringing is in use
+    T MIN_VAL; // lowest possible value of buffer
+    T MAX_VAL; // highest possible value of buffer of type <T>
+
+    // metadata for buffer
+    String dataName; // Name of boat data in buffer
+    String dataFmt; // Format of boat data in buffer
+    int updFreq; // Update frequency in milliseconds
+    T smallest; // Value range of buffer: smallest value
+    T largest; // Value range of buffer: biggest value
+
+public:
+    RingBuffer(size_t size);
+    void setMetaData(String name, String format, int updateFrequency, T minValue, T maxValue); // Set meta data for buffer
+    bool getMetaData(String& name, String& format, int& updateFrequency, T& minValue, T& maxValue); // Get meta data of buffer
+    String getName() const; // Get buffer name
+    void add(const T& value); // Add a new value to  buffer
+    T get(size_t index) const; // Get value at specific position (0-based index from oldest to newest)
+    T getFirst() const; // Get the first (oldest) value in buffer
+    T getLast() const; // Get the last (newest) value in buffer
+    T getMin() const; // Get the lowest value in buffer
+    T getMin(size_t amount) const; // Get minimum value of the last <amount> values of buffer
+    T getMax() const; // Get the highest value in buffer
+    T getMax(size_t amount) const; // Get maximum value of the last <amount> values of buffer
+    T getMid() const; // Get mid value between <min> and <max> value in buffer
+    T getMid(size_t amount) const; // Get mid value between <min> and <max> value of the last <amount> values of buffer
+    T getMedian() const; // Get the median value in buffer
+    T getMedian(size_t amount) const; // Get the median value of the last <amount> values of buffer
+    size_t getCapacity() const; // Get the buffer capacity (maximum size)
+    size_t getCurrentSize() const; // Get the current number of elements in buffer
+    size_t getFirstIdx() const; // Get the index of oldest value in buffer
+    size_t getLastIdx() const; // Get the index of newest value in buffer
+    bool isEmpty() const; // Check if buffer is empty
+    bool isFull() const; // Check if buffer is full
+    T getMinVal() const; // Get lowest possible value for buffer; used for initialized buffer data
+    T getMaxVal() const; // Get highest possible value for buffer
+    void clear(); // Clear buffer
+    T operator[](size_t index) const; // Operator[] for convenient access (same as get())
+    std::vector<T> getAllValues() const; // Get all current values as a vector
+};
+
+#include "OBPRingBuffer.tpp"

lib/obp60task/OBPRingBuffer.tpp

@@ -0,0 +1,376 @@
+#include "OBPRingBuffer.h"
+
+template <typename T>
+RingBuffer<T>::RingBuffer(size_t size)
+    : capacity(size)
+    , head(0)
+    , first(0)
+    , last(0)
+    , count(0)
+    , is_Full(false)
+{
+    bufLocker = xSemaphoreCreateMutex();
+
+    if (size == 0) {
+        // return false;
+    }
+
+    MIN_VAL = std::numeric_limits<T>::lowest();
+    MAX_VAL = std::numeric_limits<T>::max();
+    dataName = "";
+    dataFmt = "";
+    updFreq = -1;
+    smallest = MIN_VAL;
+    largest = MAX_VAL;
+
+    buffer.resize(size, MIN_VAL);
+
+    // return true;
+}
+
+// Specify meta data of buffer content
+template <typename T>
+void RingBuffer<T>::setMetaData(String name, String format, int updateFrequency, T minValue, T maxValue)
+{
+    GWSYNCHRONIZED(&bufLocker);
+    dataName = name;
+    dataFmt = format;
+    updFreq = updateFrequency;
+    smallest = std::max(MIN_VAL, minValue);
+    largest = std::min(MAX_VAL, maxValue);
+}
+
+// Get meta data of buffer content
+template <typename T>
+bool RingBuffer<T>::getMetaData(String& name, String& format, int& updateFrequency, T& minValue, T& maxValue)
+{
+    if (dataName == "" || dataFmt == "" || updFreq == -1) {
+        return false; // Meta data not set
+    }
+
+    GWSYNCHRONIZED(&bufLocker);
+    name = dataName;
+    format = dataFmt;
+    updateFrequency = updFreq;
+    minValue = smallest;
+    maxValue = largest;
+    return true;
+}
+
+// Get buffer name
+template <typename T>
+String RingBuffer<T>::getName() const
+{
+    return dataName;
+}
+
+// Add a new value to buffer
+template <typename T>
+void RingBuffer<T>::add(const T& value)
+{
+    GWSYNCHRONIZED(&bufLocker);
+    if (value < smallest || value > largest) {
+        buffer[head] = MIN_VAL; // Store MIN_VAL if value is out of range
+    } else {
+        buffer[head] = value;
+    }
+    last = head;
+
+    if (is_Full) {
+        first = (first + 1) % capacity; // Move pointer to oldest element when overwriting
+    } else {
+        count++;
+        if (count == capacity) {
+            is_Full = true;
+        }
+    }
+
+    head = (head + 1) % capacity;
+}
+
+// Get value at specific position (0-based index from oldest to newest)
+template <typename T>
+T RingBuffer<T>::get(size_t index) const
+{
+    GWSYNCHRONIZED(&bufLocker);
+    if (isEmpty() || index < 0 || index >= count) {
+        return MIN_VAL;
+    }
+
+    size_t realIndex = (first + index) % capacity;
+    return buffer[realIndex];
+}
+
+// Operator[] for convenient access (same as get())
+template <typename T>
+T RingBuffer<T>::operator[](size_t index) const
+{
+    return get(index);
+}
+
+// Get the first (oldest) value in the buffer
+template <typename T>
+T RingBuffer<T>::getFirst() const
+{
+    if (isEmpty()) {
+        return MIN_VAL;
+    }
+    return get(0);
+}
+
+// Get the last (newest) value in the buffer
+template <typename T>
+T RingBuffer<T>::getLast() const
+{
+    if (isEmpty()) {
+        return MIN_VAL;
+    }
+    return get(count - 1);
+}
+
+// Get the lowest value in the buffer
+template <typename T>
+T RingBuffer<T>::getMin() const
+{
+    if (isEmpty()) {
+        return MIN_VAL;
+    }
+
+    T minVal = MAX_VAL;
+    T value;
+    for (size_t i = 0; i < count; i++) {
+        value = get(i);
+        if (value < minVal && value != MIN_VAL) {
+            minVal = value;
+        }
+    }
+    return minVal;
+}
+
+// Get minimum value of the last <amount> values of buffer
+template <typename T>
+T RingBuffer<T>::getMin(size_t amount) const
+{
+    if (isEmpty() || amount <= 0) {
+        return MIN_VAL;
+    }
+    if (amount > count)
+        amount = count;
+
+    T minVal = MAX_VAL;
+    T value;
+    for (size_t i = 0; i < amount; i++) {
+        value = get(count - 1 - i);
+        if (value < minVal && value != MIN_VAL) {
+            minVal = value;
+        }
+    }
+    return minVal;
+}
+
+// Get the highest value in the buffer
+template <typename T>
+T RingBuffer<T>::getMax() const
+{
+    if (isEmpty()) {
+        return MIN_VAL;
+    }
+
+    T maxVal = MIN_VAL;
+    T value;
+    for (size_t i = 0; i < count; i++) {
+        value = get(i);
+        if (value > maxVal && value != MIN_VAL) {
+            maxVal = value;
+        }
+    }
+    return maxVal;
+}
+
+// Get maximum value of the last <amount> values of buffer
+template <typename T>
+T RingBuffer<T>::getMax(size_t amount) const
+{
+    if (isEmpty() || amount <= 0) {
+        return MIN_VAL;
+    }
+    if (amount > count)
+        amount = count;
+
+    T maxVal = MIN_VAL;
+    T value;
+    for (size_t i = 0; i < amount; i++) {
+        value = get(count - 1 - i);
+        if (value > maxVal && value != MIN_VAL) {
+            maxVal = value;
+        }
+    }
+    return maxVal;
+}
+
+// Get mid value between <min> and <max> value in the buffer
+template <typename T>
+T RingBuffer<T>::getMid() const
+{
+    if (isEmpty()) {
+        return MIN_VAL;
+    }
+
+    return (getMin() + getMax()) / static_cast<T>(2);
+}
+
+// Get mid value between <min> and <max> value of the last <amount> values of buffer
+template <typename T>
+T RingBuffer<T>::getMid(size_t amount) const
+{
+    if (isEmpty() || amount <= 0) {
+        return MIN_VAL;
+    }
+
+    if (amount > count)
+        amount = count;
+
+    return (getMin(amount) + getMax(amount)) / static_cast<T>(2);
+}
+
+// Get the median value in the buffer
+template <typename T>
+T RingBuffer<T>::getMedian() const
+{
+    if (isEmpty()) {
+        return MIN_VAL;
+    }
+
+    // Create a temporary vector with current valid elements
+    std::vector<T> temp;
+    temp.reserve(count);
+
+    for (size_t i = 0; i < count; i++) {
+        temp.push_back(get(i));
+    }
+
+    // Sort to find median
+    std::sort(temp.begin(), temp.end());
+
+    if (count % 2 == 1) {
+        // Odd number of elements
+        return temp[count / 2];
+    } else {
+        // Even number of elements - return average of middle two
+        // Note: For integer types, this truncates. For floating point, it's exact.
+        return (temp[count / 2 - 1] + temp[count / 2]) / 2;
+    }
+}
+
+// Get the median value of the last <amount> values of buffer
+template <typename T>
+T RingBuffer<T>::getMedian(size_t amount) const
+{
+    if (isEmpty() || amount <= 0) {
+        return MIN_VAL;
+    }
+    if (amount > count)
+        amount = count;
+
+    // Create a temporary vector with current valid elements
+    std::vector<T> temp;
+    temp.reserve(amount);
+
+    for (size_t i = 0; i < amount; i++) {
+        temp.push_back(get(i));
+    }
+
+    // Sort to find median
+    std::sort(temp.begin(), temp.end());
+
+    if (amount % 2 == 1) {
+        // Odd number of elements
+        return temp[amount / 2];
+    } else {
+        // Even number of elements - return average of middle two
+        // Note: For integer types, this truncates. For floating point, it's exact.
+        return (temp[amount / 2 - 1] + temp[amount / 2]) / 2;
+    }
+}
+
+// Get the buffer capacity (maximum size)
+template <typename T>
+size_t RingBuffer<T>::getCapacity() const
+{
+    return capacity;
+}
+
+// Get the current number of elements in the buffer
+template <typename T>
+size_t RingBuffer<T>::getCurrentSize() const
+{
+    return count;
+}
+
+// Get the first index of buffer
+template <typename T>
+size_t RingBuffer<T>::getFirstIdx() const
+{
+    return first;
+}
+
+// Get the last index of buffer
+template <typename T>
+size_t RingBuffer<T>::getLastIdx() const
+{
+    return last;
+}
+
+// Check if buffer is empty
+template <typename T>
+bool RingBuffer<T>::isEmpty() const
+{
+    return count == 0;
+}
+
+// Check if buffer is full
+template <typename T>
+bool RingBuffer<T>::isFull() const
+{
+    return is_Full;
+}
+
+// Get lowest possible value for buffer; used for non-set buffer data
+template <typename T>
+T RingBuffer<T>::getMinVal() const
+{
+    return MIN_VAL;
+}
+
+// Get highest possible value for buffer
+template <typename T>
+T RingBuffer<T>::getMaxVal() const
+{
+    return MAX_VAL;
+}
+
+// Clear buffer
+template <typename T>
+void RingBuffer<T>::clear()
+{
+    GWSYNCHRONIZED(&bufLocker);
+    head = 0;
+    first = 0;
+    last = 0;
+    count = 0;
+    is_Full = false;
+}
+
+// Get all current values as a vector
+template <typename T>
+std::vector<T> RingBuffer<T>::getAllValues() const
+{
+    std::vector<T> result;
+    result.reserve(count);
+
+    for (size_t i = 0; i < count; i++) {
+        result.push_back(get(i));
+    }
+
+    return result;
+}

lib/obp60task/OBPSensorTask.cpp

@@ -498,14 +498,18 @@ void sensorTask(void *param){
         // Send supply voltage value all 1s
         if(millis() > starttime5 + 1000 && String(powsensor1) == "off"){
             starttime5 = millis();
-            float rawVoltage = 0;
+            float rawVoltage = 0;       // Default value
-            #if defined(BOARD_OBP40S3) && defined(VOLTAGE_SENSOR)
+            #ifdef BOARD_OBP40S3
+            sensors.batteryVoltage = 0; // If no sensor then zero voltage
+            #endif
+            #if defined(BOARD_OBP40S3)  && defined(VOLTAGE_SENSOR)
             rawVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.53) * 2;   // Vin = 1/2 for OBP40
+            sensors.batteryVoltage = rawVoltage * vslope + voffset; // Calibration
             #endif
             #ifdef BOARD_OBP60S3
-            rawVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.17) * 20;   // Vin = 1/20 for OBP60    
+            rawVoltage = (float(analogRead(OBP_ANALOG0)) * 3.3 / 4096 + 0.17) * 20;   // Vin = 1/20 for OBP60
+            sensors.batteryVoltage = rawVoltage * vslope + voffset; // Calibration  
             #endif
-            sensors.batteryVoltage = rawVoltage * vslope + voffset; // Calibration
             // Save new data in average array
             batV.reading(int(sensors.batteryVoltage * 100));
             // Calculate the average values for different time lines from integer values

lib/obp60task/PageBME280.cpp

@@ -20,7 +20,7 @@ class PageBME280 : public Page
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -176,9 +176,7 @@ class PageBME280 : public Page
         // Show bus data
         getdisplay().print(svalue3);                         // Real value as formated string
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-
     };
 };
 

lib/obp60task/PageBattery.cpp

@@ -34,7 +34,7 @@ class PageBattery : public Page
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
         
@@ -288,9 +288,7 @@ class PageBattery : public Page
             getdisplay().print("---");                       // No sensor data (sensor is off)
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-
     };
 };
 

lib/obp60task/PageBattery2.cpp

@@ -44,7 +44,7 @@ public:
         return key;
     }
 
-    virtual void displayPage(PageData &pageData)
+    int displayPage(PageData &pageData)
     {
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
@@ -334,8 +334,7 @@ public:
         getdisplay().setFont(&Ubuntu_Bold16pt8b);
         getdisplay().print("W");
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
     };
 };
 

lib/obp60task/PageClock.cpp

@@ -85,7 +85,7 @@ bool homevalid = false; // homelat and homelon are valid
         return key;
     }
 
-    virtual void displayPage(PageData &pageData)
+    int displayPage(PageData &pageData)
     {
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
@@ -120,7 +120,7 @@ bool homevalid = false; // homelat and homelon are valid
         }
         else{
             value1 = simtime++;                         // Simulation data for time value 11:36 in seconds
-        }                                               // Other simulation data see OBP60Formater.cpp
+        }                                               // Other simulation data see OBP60Formatter.cpp
         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
@@ -162,7 +162,7 @@ bool homevalid = false; // homelat and homelon are valid
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageClock, %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2);
 
         // Draw page
@@ -438,9 +438,7 @@ bool homevalid = false; // homelat and homelon are valid
         getdisplay().fillCircle(200, 150, startwidth + 6, commonData->bgcolor);
         getdisplay().fillCircle(200, 150, startwidth + 4, commonData->fgcolor);
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-
     };
 };
 

lib/obp60task/PageCompass.cpp

@@ -61,7 +61,7 @@ class PageCompass : public Page
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
     
@@ -83,7 +83,7 @@ class PageCompass : public Page
         String DataText[HowManyValues];
         String DataUnits[HowManyValues];
         String DataFormat[HowManyValues];
-        FormatedData TheFormattedData;
+        FormattedData TheFormattedData;
 
         for (int i = 0; i < HowManyValues; i++){
             bvalue = pageData.values[i];
@@ -104,7 +104,7 @@ class PageCompass : public Page
             setFlashLED(false); 
         }
 
-        if (bvalue == NULL) return;
+        if (bvalue == NULL) return PAGE_OK; // WTF why this statement?
         
         //***********************************************************
 
@@ -235,12 +235,11 @@ class PageCompass : public Page
         // if ( x_test > 390)
         //     x_test = 320;
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-    
-        };
-    
     };
+
+};
+
 static Page *createPage(CommonData &common){
     return new PageCompass(common);
 }/**

lib/obp60task/PageDST810.cpp

@@ -20,7 +20,7 @@ public:
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -84,7 +84,7 @@ public:
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageDST810, %s: %f, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4);
 
         // Draw page
@@ -242,9 +242,7 @@ public:
             unit4old = unit4;                                           // Save the old unit
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-
     };
 };
 

lib/obp60task/PageFluid.cpp

@@ -98,7 +98,7 @@ class PageFluid : public Page
         commonData->logger->logDebug(GwLog::LOG,"New PageFluid: fluidtype=%d", fluidtype);
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -252,9 +252,7 @@ class PageFluid : public Page
             getdisplay().fillCircle(c.x, c.y, 6, commonData->bgcolor);
         }
  
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-
     };
 };
 

lib/obp60task/PageFourValues.cpp

@@ -21,7 +21,7 @@ class PageFourValues : public Page
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -89,7 +89,7 @@ class PageFourValues : public Page
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageFourValues, %s: %f, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4);
 
         // Draw page
@@ -287,9 +287,7 @@ class PageFourValues : public Page
             unit4old = unit4;                                           // Save the old unit
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-
     };
 };
 

lib/obp60task/PageFourValues2.cpp

@@ -21,7 +21,7 @@ class PageFourValues2 : public Page
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -89,7 +89,7 @@ class PageFourValues2 : public Page
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageFourValues2, %s: %f, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4);
 
         // Draw page
@@ -287,9 +287,7 @@ class PageFourValues2 : public Page
             unit4old = unit4;                                           // Save the old unit
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-
     };
 };
 

lib/obp60task/PageGenerator.cpp

@@ -20,7 +20,7 @@ public:
         return key;
     }
 
-    virtual void displayPage(PageData &pageData)
+    int displayPage(PageData &pageData)
     {
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
@@ -203,8 +203,7 @@ public:
         getdisplay().setFont(&Ubuntu_Bold16pt8b);
         getdisplay().print("W");
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
     };
 };
 

lib/obp60task/PageKeelPosition.cpp

@@ -21,7 +21,7 @@ public:
         return key;
     }
 
-    virtual void displayPage(PageData &pageData)
+    int displayPage(PageData &pageData)
     {
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
@@ -206,9 +206,7 @@ public:
             getdisplay().print("No sensor data");            // Info missing sensor
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-
     };
 };
 

lib/obp60task/PageOneValue.cpp

@@ -21,7 +21,7 @@ class PageOneValue : public Page
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -53,7 +53,7 @@ class PageOneValue : public Page
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageOneValue, %s: %f", name1.c_str(), value1);
 
         // Draw page
@@ -104,9 +104,7 @@ class PageOneValue : public Page
             unit1old = unit1;                                           // Save the old unit
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-
     };
 };
 

lib/obp60task/PageRollPitch.cpp

@@ -21,7 +21,7 @@ public:
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -109,7 +109,7 @@ public:
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageRollPitch, %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2);
 
         // Draw page
@@ -305,9 +305,7 @@ public:
             getdisplay().print("No sensor data");            // Info missing sensor
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-
     };
 };
 

lib/obp60task/PageRudderPosition.cpp

@@ -22,7 +22,7 @@ public:
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+   int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -67,7 +67,7 @@ public:
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageRudderPosition, %s:%f", name1.c_str(), value1);
 
         // Draw page
@@ -207,8 +207,7 @@ public:
         getdisplay().fillCircle(200, 150, startwidth + 6, commonData->bgcolor);
         getdisplay().fillCircle(200, 150, startwidth + 4, commonData->fgcolor);
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
     };
 };
 

lib/obp60task/PageSixValues.cpp

@@ -29,7 +29,7 @@ class PageSixValues : public Page
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -71,7 +71,7 @@ class PageSixValues : public Page
                 setFlashLED(false); 
             }
     
-            if (bvalue == NULL) return;
+            if (bvalue == NULL) return PAGE_OK; // WTF why this statement?
            
             // Draw page
             //***********************************************************
@@ -149,9 +149,7 @@ class PageSixValues : public Page
             getdisplay().fillRect(SixValues_x1+SixValues_DeltaX-8, SixValues_y1+i*SixValues_DeltaY, 3, SixValues_DeltaY, commonData->fgcolor);
             }
     
-            // Update display
+            return PAGE_UPDATE;
-            getdisplay().nextPage();    // Partial update (fast)
-    
         };
     
     };

lib/obp60task/PageSolar.cpp

@@ -20,7 +20,7 @@ public:
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
         
@@ -199,8 +199,7 @@ public:
         getdisplay().setFont(&Ubuntu_Bold16pt8b);
         getdisplay().print("W");
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
     };
 };
 

lib/obp60task/PageSystem.cpp

@@ -17,6 +17,7 @@
 #define BOARDINFO STRINGIZE(BOARD)
 #define PCBINFO STRINGIZE(PCBVERS)
 #define DISPLAYINFO STRINGIZE(EPDTYPE)
+#define GXEPD2INFO STRINGIZE(GXEPD2VERS)
 
 /*
  * Special system page, called directly with fast key sequence 5,4
@@ -43,6 +44,8 @@ String batt_sensor;
 String solar_sensor;
 String gen_sensor;
 String rot_sensor;
+double homelat;
+double homelon;
 
 char mode = 'N'; // (N)ormal, (S)ettings, (D)evice list, (C)ard
 
@@ -69,6 +72,8 @@ public:
         solar_sensor = common.config->getString(common.config->usePowSensor2);
         gen_sensor = common.config->getString(common.config->usePowSensor3);
         rot_sensor = common.config->getString(common.config->useRotSensor);
+        homelat = common.config->getString(common.config->homeLAT).toDouble();
+        homelon = common.config->getString(common.config->homeLON).toDouble();
     }
 
     virtual void setupKeys(){
@@ -159,7 +164,7 @@ public:
         }
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -203,19 +208,21 @@ public:
 
             getdisplay().setCursor(8, 95);
             getdisplay().print("Firmware version: ");
-            getdisplay().setCursor(160, 95);
+            getdisplay().setCursor(150, 95);
             getdisplay().print(VERSINFO);
 
             getdisplay().setCursor(8, 113);
             getdisplay().print("Board version: ");
-            getdisplay().setCursor(160, 113);
+            getdisplay().setCursor(150, 113);
             getdisplay().print(BOARDINFO);
             getdisplay().print(String(" HW ") + String(PCBINFO));
 
             getdisplay().setCursor(8, 131);
             getdisplay().print("Display version: ");
-            getdisplay().setCursor(160, 131);
+            getdisplay().setCursor(150, 131);
             getdisplay().print(DISPLAYINFO);
+            getdisplay().print("; GxEPD2 v");
+            getdisplay().print(GXEPD2INFO);
 
             getdisplay().setCursor(8, 265);
 #ifdef BOARD_OBP60S3
@@ -295,34 +302,44 @@ public:
             // left column
             getdisplay().setCursor(x0, y0);
             getdisplay().print("Simulation:");
-            getdisplay().setCursor(140, y0);
+            getdisplay().setCursor(120, y0);
             getdisplay().print(simulation ? "on" : "off");
 
             getdisplay().setCursor(x0, y0 + 16);
             getdisplay().print("Environment:");
-            getdisplay().setCursor(140, y0 + 16);
+            getdisplay().setCursor(120, y0 + 16);
             getdisplay().print(env_module);
 
             getdisplay().setCursor(x0, y0 + 32);
             getdisplay().print("Buzzer:");
-            getdisplay().setCursor(140, y0 + 32);
+            getdisplay().setCursor(120, y0 + 32);
             getdisplay().print(buzzer_mode);
 
             getdisplay().setCursor(x0, y0 + 64);
             getdisplay().print("GPS:");
-            getdisplay().setCursor(140, y0 + 64);
+            getdisplay().setCursor(120, y0 + 64);
             getdisplay().print(gps_module);
 
             getdisplay().setCursor(x0, y0 + 80);
             getdisplay().print("RTC:");
-            getdisplay().setCursor(140, y0 + 80);
+            getdisplay().setCursor(120, y0 + 80);
             getdisplay().print(rtc_module);
 
             getdisplay().setCursor(x0, y0 + 96);
             getdisplay().print("Wifi:");
-            getdisplay().setCursor(140, y0 + 96);
+            getdisplay().setCursor(120, y0 + 96);
             getdisplay().print(commonData->status.wifiApOn ? "on" : "off");
 
+            // Home location
+            getdisplay().setCursor(x0, y0 + 128);
+            getdisplay().print("Home Lat.:");
+            getdisplay().setCursor(120, y0 + 128);
+            getdisplay().print(formatLatitude(homelat));
+            getdisplay().setCursor(x0, y0 + 144);
+            getdisplay().print("Home Lon.:");
+            getdisplay().setCursor(120, y0 + 144);
+            getdisplay().print(formatLongitude(homelon));
+
             // right column
             getdisplay().setCursor(202, y0);
             getdisplay().print("Batt. sensor:");
@@ -374,7 +391,7 @@ public:
 
         // Update display
         getdisplay().nextPage();    // Partial update (fast)
-
+        return PAGE_OK;
     };
 };
 

lib/obp60task/PageThreeValues.cpp

@@ -21,7 +21,7 @@ class PageThreeValues : public Page
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -77,7 +77,7 @@ class PageThreeValues : public Page
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageThreeValues, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3);
 
         // Draw page
@@ -226,8 +226,7 @@ class PageThreeValues : public Page
             unit3old = unit3;                                           // Save the old unit
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
     };
 };
 

lib/obp60task/PageTwoValues.cpp

@@ -21,7 +21,7 @@ class PageTwoValues : public Page
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -65,7 +65,7 @@ class PageTwoValues : public Page
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageTwoValues, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2);
 
         // Draw page
@@ -166,8 +166,7 @@ class PageTwoValues : public Page
             unit2old = unit2;                                           // Save the old unit
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
     };
 };
 

lib/obp60task/PageVoltage.cpp

@@ -100,7 +100,7 @@ public:
         getdisplay().fillRect(x + 16, y + 11, 6, 3, color);
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
         
@@ -187,7 +187,6 @@ public:
         }
         
         // Logging voltage value
-        if (raw == 0) return;
         LOG_DEBUG(GwLog::LOG,"Drawing at PageVoltage, Type:%s %s:=%f", batType, name1.c_str(), raw);
 
         // Draw page
@@ -384,8 +383,7 @@ public:
 
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
     };
 };
 

lib/obp60task/PageWhite.cpp

@@ -2,8 +2,14 @@
 
 #include "Pagedata.h"
 #include "OBP60Extensions.h"
-#include "MFD_OBP60_400x300_sw.h"       // MFD with logo
+
-#include "Logo_OBP_400x300_sw.h"        // OBP Logo
+#include "images/OBP_400x300.xbm"     // OBP Logo
+#ifdef BOARD_OBP60S3
+#include "images/OBP60_400x300.xbm"   // MFD with logo
+#endif
+#ifdef BOARD_OBP40S3
+#include "images/OBP40_400x300.xbm"   // MFD with logo
+#endif
 
 class PageWhite : public Page
 {
@@ -31,7 +37,7 @@ public:
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -61,17 +67,21 @@ public:
         }
 
         if (mode == 'L') {
-            getdisplay().drawBitmap(0, 0, gImage_Logo_OBP_400x300_sw, getdisplay().width(), getdisplay().height(), commonData->fgcolor);
+            getdisplay().drawXBitmap(0, 0, OBP_400x300_bits, OBP_400x300_width, OBP_400x300_height, commonData->fgcolor);
         } else if (mode == 'M') {
-            getdisplay().drawBitmap(0, 0, gImage_MFD_OBP60_400x300_sw, getdisplay().width(), getdisplay().height(), commonData->fgcolor);
+#ifdef BOARD_OBP60S3
+            getdisplay().drawXBitmap(0, 0, OBP60_400x300_bits, OBP60_400x300_width, OBP60_400x300_height, commonData->fgcolor);
+#endif
+#ifdef BOARD_OBP40S3
+            getdisplay().drawXBitmap(0, 0, OBP40_400x300_bits, OBP40_400x300_width, OBP40_400x300_height, commonData->fgcolor);
+#endif
         }
 
-        // Update display
+        int ret = PAGE_UPDATE;
-        getdisplay().nextPage();
         if (mode == 'W') {
-            getdisplay().hibernate();
+            ret |= PAGE_HIBERNATE;
         }
-
+        return ret;
     };
 };
 

lib/obp60task/PageWind.cpp

@@ -296,7 +296,7 @@ public:
         return key;
     }
 
-    virtual void displayPage(PageData &pageData)
+    int displayPage(PageData &pageData)
     {
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
@@ -354,7 +354,7 @@ public:
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageWind, %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2);
 
         // Draw page
@@ -618,9 +618,7 @@ public:
 
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();     // Partial update (fast)
-
     };
 };
 

lib/obp60task/PageWindPlot.cpp

@@ -0,0 +1,489 @@
+#if defined BOARD_OBP60S3 || defined BOARD_OBP40S3
+
+#include "BoatDataCalibration.h"
+#include "OBP60Extensions.h"
+#include "OBPRingBuffer.h"
+#include "Pagedata.h"
+#include <vector>
+
+static const double radToDeg = 180.0 / M_PI; // Conversion factor from radians to degrees
+
+// Get maximum difference of last <amount> of TWD ringbuffer values to center chart
+int getRng(const RingBuffer<int16_t>& windDirHstry, int center, size_t amount)
+{
+    int minVal = windDirHstry.getMinVal();
+    size_t count = windDirHstry.getCurrentSize();
+    //    size_t capacity = windDirHstry.getCapacity();
+    //    size_t last = windDirHstry.getLastIdx();
+
+    if (windDirHstry.isEmpty() || amount <= 0) {
+        return minVal;
+    }
+    if (amount > count)
+        amount = count;
+
+    int value = 0;
+    int rng = 0;
+    int maxRng = minVal;
+    // Start from the newest value (last) and go backwards x times
+    for (size_t i = 0; i < amount; i++) {
+        //        value = windDirHstry.get(((last - i) % capacity + capacity) % capacity);
+        value = windDirHstry.get(count - 1 - i);
+
+        if (value == minVal) {
+            continue;
+        }
+
+        value = value / 1000.0 * radToDeg;
+        rng = abs(((value - center + 540) % 360) - 180);
+        if (rng > maxRng)
+            maxRng = rng;
+    }
+    if (maxRng > 180) {
+        maxRng = 180;
+    }
+
+    return maxRng;
+}
+
+// ****************************************************************
+class PageWindPlot : public Page {
+
+    bool keylock = false; // Keylock
+    char chrtMode = 'D'; // Chart mode: 'D' for TWD, 'S' for TWS, 'B' for both
+    int dataIntv = 1; // Update interval for wind history chart:
+                      // (1)|(2)|(3)|(4) seconds for approx. 4, 8, 12, 16 min. history chart
+    bool showTWS = true; // Show TWS value in chart area
+
+public:
+    PageWindPlot(CommonData& common)
+    {
+        commonData = &common;
+        common.logger->logDebug(GwLog::LOG, "Instantiate PageWindPlot");
+    }
+
+    virtual void setupKeys()
+    {
+        Page::setupKeys();
+        //        commonData->keydata[0].label = "MODE";
+        commonData->keydata[1].label = "INTV";
+        commonData->keydata[4].label = "TWS";
+    }
+
+    // Key functions
+    virtual int handleKey(int key)
+    {
+        // Set chart mode TWD | TWS -> to be implemented
+        if (key == 1) {
+            if (chrtMode == 'D') {
+                chrtMode = 'S';
+            } else if (chrtMode == 'S') {
+                chrtMode = 'B';
+            } else {
+                chrtMode = 'D';
+            }
+            return 0; // Commit the key
+        }
+
+        // Set interval for wind history chart update time
+        if (key == 2) {
+            if (dataIntv == 1) {
+                dataIntv = 2;
+            } else if (dataIntv == 2) {
+                dataIntv = 3;
+            } else if (dataIntv == 3) {
+                dataIntv = 4;
+            } else {
+                dataIntv = 1;
+            }
+            return 0; // Commit the key
+        }
+
+        // Switch TWS on/off
+        if (key == 5) {
+            showTWS = !showTWS;
+            return 0; // Commit the key
+        }
+
+        // Keylock function
+        if (key == 11) { // Code for keylock
+            commonData->keylock = !commonData->keylock;
+            return 0; // Commit the key
+        }
+        return key;
+    }
+
+    int displayPage(PageData& pageData)
+    {
+        GwConfigHandler* config = commonData->config;
+        GwLog* logger = commonData->logger;
+
+        float twsValue; // TWS value in chart area
+        static String twdName, twdUnit; // TWD name and unit
+        static int updFreq; // Update frequency for TWD
+        static int16_t twdLowest, twdHighest; // TWD range
+        // static int16_t twdBufMinVal; // lowest possible twd buffer value; used for non-set data
+
+        // current boat data values; TWD only for validation test, TWS for display of current value
+        const int numBoatData = 2;
+        GwApi::BoatValue* bvalue;
+        String BDataName[numBoatData];
+        double BDataValue[numBoatData];
+        bool BDataValid[numBoatData];
+        String BDataText[numBoatData];
+        String BDataUnit[numBoatData];
+        String BDataFormat[numBoatData];
+
+        static bool isInitialized = false; // Flag to indicate that page is initialized
+        static bool wndDataValid = false; // Flag to indicate if wind data is valid
+        static int numNoData; // Counter for multiple invalid data values in a row
+        static bool simulation = false;
+        static bool holdValues = false;
+
+        static int width; // Screen width
+        static int height; // Screen height
+        static int xCenter; // Center of screen in x direction
+        static const int yOffset = 48; // Offset for y coordinates of chart area
+        static int cHeight; // height of chart area
+        static int bufSize; // History buffer size: 960 values for appox. 16 min. history chart
+        static int intvBufSize; // Buffer size used for currently selected time interval
+        int count; // current size of buffer
+        static int numWndVals; // number of wind values available for current interval selection
+        static int bufStart; // 1st data value in buffer to show
+        int numAddedBufVals; // Number of values added to buffer since last display
+        size_t currIdx; // Current index in TWD history buffer
+        static size_t lastIdx; // Last index of TWD history buffer
+        static size_t lastAddedIdx = 0; // Last index of TWD history buffer when new data was added
+        static int oldDataIntv; // remember recent user selection of data interval
+
+        static int wndCenter; // chart wind center value position
+        static int wndLeft; // chart wind left value position
+        static int wndRight; // chart wind right value position
+        static int chrtRng; // Range of wind values from mid wind value to min/max wind value in degrees
+        int diffRng; // Difference between mid and current wind value
+        static const int dfltRng = 40; // Default range for chart
+        int midWndDir; // New value for wndCenter after chart start / shift
+        static int simTwd; // Simulation value for TWD
+        static float simTws; // Simulation value for TWS
+
+        int x, y; // x and y coordinates for drawing
+        static int prevX, prevY; // Last x and y coordinates for drawing
+        static float chrtScl; // Scale for wind values in pixels per degree
+        int chrtVal; // Current wind value
+        static int chrtPrevVal; // Last wind value in chart area for check if value crosses 180 degree line
+
+        LOG_DEBUG(GwLog::LOG, "Display page WindPlot");
+
+        // Get config data
+        simulation = config->getBool(config->useSimuData);
+        holdValues = config->getBool(config->holdvalues);
+        String flashLED = config->getString(config->flashLED);
+        String backlightMode = config->getString(config->backlight);
+
+        if (!isInitialized) {
+            width = getdisplay().width();
+            height = getdisplay().height();
+            xCenter = width / 2;
+            cHeight = height - yOffset - 22;
+            bufSize = pageData.boatHstry.twdHstry->getCapacity();
+            numNoData = 0;
+            simTwd = pageData.boatHstry.twdHstry->getLast() / 1000.0 * radToDeg;
+            simTws = 0;
+            twsValue = 0;
+            bufStart = 0;
+            oldDataIntv = 0;
+            numAddedBufVals, currIdx, lastIdx = 0;
+            lastAddedIdx = pageData.boatHstry.twdHstry->getLastIdx();
+            pageData.boatHstry.twdHstry->getMetaData(twdName, twdUnit, updFreq, twdLowest, twdHighest);
+            wndCenter = INT_MIN;
+            midWndDir = 0;
+            diffRng = dfltRng;
+            chrtRng = dfltRng;
+
+            isInitialized = true; // Set flag to indicate that page is now initialized
+        }
+
+        // read boat data values; TWD only for validation test, TWS for display of current value
+        for (int i = 0; i < numBoatData; i++) {
+            bvalue = pageData.values[i];
+            // BDataName[i] = xdrDelete(bvalue->getName());
+            BDataName[i] = BDataName[i].substring(0, 6); // String length limit for value name
+            calibrationData.calibrateInstance(bvalue, logger); // Check if boat data value is to be calibrated
+            BDataValue[i] = bvalue->value; // Value as double in SI unit
+            BDataValid[i] = bvalue->valid;
+            BDataText[i] = formatValue(bvalue, *commonData).svalue; // Formatted value as string including unit conversion and switching decimal places
+            BDataUnit[i] = formatValue(bvalue, *commonData).unit;
+            BDataFormat[i] = bvalue->getFormat(); // Unit of value
+        }
+
+        // Optical warning by limit violation (unused)
+        if (String(flashLED) == "Limit Violation") {
+            setBlinkingLED(false);
+            setFlashLED(false);
+        }
+
+        // Identify buffer size and buffer start position for chart
+        count = pageData.boatHstry.twdHstry->getCurrentSize();
+        currIdx = pageData.boatHstry.twdHstry->getLastIdx();
+        numAddedBufVals = (currIdx - lastAddedIdx + bufSize) % bufSize; // Number of values added to buffer since last display
+        if (dataIntv != oldDataIntv || count == 1) {
+            // new data interval selected by user
+            intvBufSize = cHeight * dataIntv;
+            numWndVals = min(count, (cHeight - 60) * dataIntv);
+            bufStart = max(0, count - numWndVals);
+            lastAddedIdx = currIdx;
+            oldDataIntv = dataIntv;
+        } else {
+            numWndVals = numWndVals + numAddedBufVals;
+            lastAddedIdx = currIdx;
+            if (count == bufSize) {
+                bufStart = max(0, bufStart - numAddedBufVals);
+            }
+        }
+        LOG_DEBUG(GwLog::DEBUG, "PageWindPlot Dataset: count: %d, TWD: %.0f, TWS: %.1f, TWD_valid? %d, intvBufSize: %d, numWndVals: %d, bufStart: %d, numAddedBufVals: %d, lastIdx: %d, old: %d, act: %d",
+            count, pageData.boatHstry.twdHstry->getLast() / 1000.0 * radToDeg, pageData.boatHstry.twsHstry->getLast() / 10.0 * 1.94384, BDataValid[0],
+            intvBufSize, numWndVals, bufStart, numAddedBufVals, pageData.boatHstry.twdHstry->getLastIdx(), oldDataIntv, dataIntv);
+
+        // Set wndCenter from 1st real buffer value
+        if (wndCenter == INT_MIN || (wndCenter == 0 && count == 1)) {
+            midWndDir = pageData.boatHstry.twdHstry->getMid(numWndVals);
+            if (midWndDir != INT16_MIN) {
+                midWndDir = midWndDir / 1000.0 * radToDeg;
+                wndCenter = int((midWndDir + (midWndDir >= 0 ? 5 : -5)) / 10) * 10; // Set new center value; round to nearest 10 degree value
+            } else {
+                wndCenter = 0;
+            }
+            LOG_DEBUG(GwLog::DEBUG, "PageWindPlot Range Init: count: %d, TWD: %.0f, wndCenter: %d, diffRng: %d, chrtRng: %d", count, pageData.boatHstry.twdHstry->getLast() / 1000.0 * radToDeg,
+                wndCenter, diffRng, chrtRng);
+        } else {
+            // check and adjust range between left, center, and right chart limit
+            diffRng = getRng(*pageData.boatHstry.twdHstry, wndCenter, numWndVals);
+            diffRng = (diffRng == INT16_MIN ? 0 : diffRng);
+            if (diffRng > chrtRng) {
+                chrtRng = int((diffRng + (diffRng >= 0 ? 9 : -1)) / 10) * 10; // Round up to next 10 degree value
+            } else if (diffRng + 10 < chrtRng) { // Reduce chart range for higher resolution if possible
+                chrtRng = max(dfltRng, int((diffRng + (diffRng >= 0 ? 9 : -1)) / 10) * 10);
+            }
+        }
+        chrtScl = float(width) / float(chrtRng) / 2.0; // Chart scale: pixels per degree
+        wndLeft = wndCenter - chrtRng;
+        if (wndLeft < 0)
+            wndLeft += 360;
+        wndRight = (chrtRng < 180 ? wndCenter + chrtRng : wndCenter + chrtRng - 1);
+        if (wndRight >= 360)
+            wndRight -= 360;
+
+        // Draw page
+        //***********************************************************************
+
+        // Set display in partial refresh mode
+        getdisplay().setPartialWindow(0, 0, width, height); // Set partial update
+        getdisplay().setTextColor(commonData->fgcolor);
+
+        // chart lines
+        getdisplay().fillRect(0, yOffset, width, 2, commonData->fgcolor);
+        getdisplay().fillRect(xCenter, yOffset, 1, cHeight, commonData->fgcolor);
+
+        // chart labels
+        char sWndLbl[4]; // char buffer for Wind angle label
+        getdisplay().setFont(&Ubuntu_Bold12pt8b);
+        getdisplay().setCursor(xCenter - 88, yOffset - 3);
+        getdisplay().print("TWD"); // Wind data name
+        snprintf(sWndLbl, 4, "%03d", (wndCenter < 0) ? (wndCenter + 360) : wndCenter);
+        drawTextCenter(xCenter, yOffset - 11, sWndLbl);
+        getdisplay().drawCircle(xCenter + 25, yOffset - 17, 2, commonData->fgcolor); // <degree> symbol
+        getdisplay().drawCircle(xCenter + 25, yOffset - 17, 3, commonData->fgcolor); // <degree> symbol
+        getdisplay().setCursor(1, yOffset - 3);
+        snprintf(sWndLbl, 4, "%03d", (wndLeft < 0) ? (wndLeft + 360) : wndLeft);
+        getdisplay().print(sWndLbl); // Wind left value
+        getdisplay().drawCircle(46, yOffset - 17, 2, commonData->fgcolor); // <degree> symbol
+        getdisplay().drawCircle(46, yOffset - 17, 3, commonData->fgcolor); // <degree> symbol
+        getdisplay().setCursor(width - 50, yOffset - 3);
+        snprintf(sWndLbl, 4, "%03d", (wndRight < 0) ? (wndRight + 360) : wndRight);
+        getdisplay().print(sWndLbl); // Wind right value
+        getdisplay().drawCircle(width - 5, yOffset - 17, 2, commonData->fgcolor); // <degree> symbol
+        getdisplay().drawCircle(width - 5, yOffset - 17, 3, commonData->fgcolor); // <degree> symbol
+
+        if (pageData.boatHstry.twdHstry->getMax() == pageData.boatHstry.twdHstry->getMinVal()) {
+            // only <INT16_MIN> values in buffer -> no valid wind data available
+            wndDataValid = false;
+        } else if (!BDataValid[0]) {
+            // currently no valid TWD data available
+            numNoData++;
+            wndDataValid = true;
+            if (numNoData > 3) {
+                // If more than 4 invalid values in a row, send message
+                wndDataValid = false;
+            }
+        } else {
+            numNoData = 0; // reset data error counter
+            wndDataValid = true; // At least some wind data available
+        }
+        // Draw wind values in chart
+        //***********************************************************************
+        if (wndDataValid) {
+            for (int i = 0; i < (numWndVals / dataIntv); i++) {
+                chrtVal = static_cast<int>(pageData.boatHstry.twdHstry->get(bufStart + (i * dataIntv))); // show the latest wind values in buffer; keep 1st value constant in a rolling buffer
+                if (chrtVal == INT16_MIN) {
+                    chrtPrevVal = INT16_MIN;
+                    /* if (i == linesToShow - 1) {
+                        numNoData++;
+                        // If more than 4 invalid values in a row, reset chart
+                    } else {
+                        numNoData = 0; // Reset invalid value counter
+                    }
+                    if (numNoData > 4) {
+                        // If more than 4 invalid values in a row, send message
+                        getdisplay().setFont(&Ubuntu_Bold10pt8b);
+                        getdisplay().fillRect(xCenter - 66, height / 2 - 20, 146, 24, commonData->bgcolor); // Clear area for TWS value
+                        drawTextCenter(xCenter, height / 2 - 10, "No sensor data");
+                    } */
+                } else {
+                    chrtVal = static_cast<int>((chrtVal / 1000.0 * radToDeg) + 0.5); // Convert to degrees and round
+                    x = ((chrtVal - wndLeft + 360) % 360) * chrtScl;
+                    y = yOffset + cHeight - i; // Position in chart area
+
+                    if (i >= (numWndVals / dataIntv) - 10)
+                        LOG_DEBUG(GwLog::DEBUG, "PageWindPlot Chart: i: %d, chrtVal: %d, bufStart: %d, count: %d, linesToShow: %d", i, chrtVal, bufStart, count, (numWndVals / dataIntv));
+
+                    if ((i == 0) || (chrtPrevVal == INT16_MIN)) {
+                        // just a dot for 1st chart point or after some invalid values
+                        prevX = x;
+                        prevY = y;
+                    } else {
+                        // cross borders check; shift values to [-180..0..180]; when crossing borders, range is 2x 180 degrees
+                        int wndLeftDlt = -180 - ((wndLeft >= 180) ? (wndLeft - 360) : wndLeft);
+                        int chrtVal180 = ((chrtVal + wndLeftDlt + 180) % 360 + 360) % 360 - 180;
+                        int chrtPrevVal180 = ((chrtPrevVal + wndLeftDlt + 180) % 360 + 360) % 360 - 180;
+                        if (((chrtPrevVal180 >= -180) && (chrtPrevVal180 < -90) && (chrtVal180 > 90)) || ((chrtPrevVal180 <= 179) && (chrtPrevVal180 > 90) && chrtVal180 <= -90)) {
+                            // If current value crosses chart borders compared to previous value, split line
+                            int xSplit = (((chrtPrevVal180 > 0 ? wndRight : wndLeft) - wndLeft + 360) % 360) * chrtScl;
+                            getdisplay().drawLine(prevX, prevY, xSplit, y, commonData->fgcolor);
+                            getdisplay().drawLine(prevX, prevY - 1, ((xSplit != prevX) ? xSplit : xSplit - 1), ((xSplit != prevX) ? y - 1 : y), commonData->fgcolor);
+                            prevX = (((chrtVal180 > 0 ? wndRight : wndLeft) - wndLeft + 360) % 360) * chrtScl;
+                        }
+                    }
+
+                    // Draw line with 2 pixels width + make sure vertical line are drawn correctly
+                    getdisplay().drawLine(prevX, prevY, x, y, commonData->fgcolor);
+                    getdisplay().drawLine(prevX, prevY - 1, ((x != prevX) ? x : x - 1), ((x != prevX) ? y - 1 : y), commonData->fgcolor);
+                    chrtPrevVal = chrtVal;
+                    prevX = x;
+                    prevY = y;
+                }
+                // Reaching chart area top end
+                if (i >= (cHeight - 1)) {
+                    oldDataIntv = 0; // force reset of buffer start and number of values to show in next display loop
+
+                    int minWndDir = pageData.boatHstry.twdHstry->getMin(numWndVals) / 1000.0 * radToDeg;
+                    int maxWndDir = pageData.boatHstry.twdHstry->getMax(numWndVals) / 1000.0 * radToDeg;
+                    LOG_DEBUG(GwLog::DEBUG, "PageWindPlot FreeTop: Minimum: %d, Maximum: %d, OldwndCenter: %d", minWndDir, maxWndDir, wndCenter);
+                    if ((minWndDir + 540 >= wndCenter + 540) || (maxWndDir + 540 <= wndCenter + 540)) {
+                        // Check if all wind value are left or right of center value -> optimize chart range
+                        midWndDir = pageData.boatHstry.twdHstry->getMid(numWndVals) / 1000.0 * radToDeg;
+                        if (midWndDir != INT16_MIN) {
+                            wndCenter = int((midWndDir + (midWndDir >= 0 ? 5 : -5)) / 10) * 10; // Set new center value; round to nearest 10 degree value
+                        }
+                    }
+                    LOG_DEBUG(GwLog::DEBUG, "PageWindPlot FreeTop: cHeight: %d, bufStart: %d, numWndVals: %d, wndCenter: %d", cHeight, bufStart, numWndVals, wndCenter);
+                    break;
+                }
+            }
+
+        } else {
+            // No valid data available
+            LOG_DEBUG(GwLog::LOG, "PageWindPlot: No valid data available");
+            getdisplay().setFont(&Ubuntu_Bold10pt8b);
+            getdisplay().fillRect(xCenter - 33, height / 2 - 20, 66, 24, commonData->bgcolor); // Clear area for message
+            drawTextCenter(xCenter, height / 2 - 10, "No data");
+        }
+
+        // Print TWS value
+        if (showTWS) {
+            int currentZone;
+            static int lastZone = 0;
+            static bool flipTws = false;
+            int xPosTws;
+            static const int yPosTws = yOffset + 40;
+
+            twsValue = pageData.boatHstry.twsHstry->getLast() / 10.0 * 1.94384; // TWS value in knots
+
+            xPosTws = flipTws ? 20 : width - 138;
+            currentZone = (y >= yPosTws - 38) && (y <= yPosTws + 6) && (x >= xPosTws - 4) && (x <= xPosTws + 146) ? 1 : 0; // Define current zone for TWS value
+            if (currentZone != lastZone) {
+                // Only flip when x moves to a different zone
+                if ((y >= yPosTws - 38) && (y <= yPosTws + 6) && (x >= xPosTws - 4) && (x <= xPosTws + 146)) {
+                    flipTws = !flipTws;
+                    xPosTws = flipTws ? 20 : width - 145;
+                }
+            }
+            lastZone = currentZone;
+
+            getdisplay().fillRect(xPosTws - 4, yPosTws - 38, 142, 44, commonData->bgcolor); // Clear area for TWS value
+            getdisplay().setFont(&DSEG7Classic_BoldItalic16pt7b);
+            getdisplay().setCursor(xPosTws, yPosTws);
+            if (!BDataValid[1]) {
+                getdisplay().print("--.-");
+            } else {
+                double dbl = BDataValue[1] * 3.6 / 1.852;
+                if (dbl < 10.0) {
+                    getdisplay().printf("!%3.1f", dbl); // Value, round to 1 decimal
+                } else {
+                    getdisplay().printf("%4.1f", dbl); // Value, round to 1 decimal
+                }
+            }
+            getdisplay().setFont(&Ubuntu_Bold12pt8b);
+            getdisplay().setCursor(xPosTws + 82, yPosTws - 14);
+//            getdisplay().print("TWS"); // Name
+            getdisplay().print(BDataName[1]); // Name
+            getdisplay().setFont(&Ubuntu_Bold8pt8b);
+//            getdisplay().setCursor(xPosTws + 78, yPosTws + 1);
+            getdisplay().setCursor(xPosTws + 82, yPosTws + 1);
+//            getdisplay().printf(" kn"); // Unit
+            getdisplay().print(BDataUnit[1]); // Unit
+        }
+
+        // chart Y axis labels; print at last to overwrite potential chart lines in label area
+        int yPos;
+        int chrtLbl;
+        getdisplay().setFont(&Ubuntu_Bold8pt8b);
+        for (int i = 1; i <= 3; i++) {
+            yPos = yOffset + (i * 60);
+            getdisplay().fillRect(0, yPos, width, 1, commonData->fgcolor);
+            getdisplay().fillRect(0, yPos - 8, 24, 16, commonData->bgcolor); // Clear small area to remove potential chart lines
+            getdisplay().setCursor(1, yPos + 4);
+            if (count >= intvBufSize) {
+                // Calculate minute value for label
+                chrtLbl = ((i - 1 + (prevY < yOffset + 30)) * dataIntv) * -1; // change label if last data point is more than 30 lines (= seconds) from chart line
+            } else {
+                int j = 3 - i;
+                chrtLbl = (int((((numWndVals / dataIntv) - 50) * dataIntv / 60) + 1) - (j * dataIntv)) * -1; // 50 lines left below last chart line
+            }
+            getdisplay().printf("%3d", chrtLbl); // Wind value label
+        }
+
+        return PAGE_UPDATE;
+    };
+};
+
+static Page* createPage(CommonData& common)
+{
+    return new PageWindPlot(common);
+}
+/**
+ * with the code below we make this page known to the PageTask
+ * we give it a type (name) that can be selected in the config
+ * we define which function is to be called
+ * and we provide the number of user parameters we expect (0 here)
+ * and will will provide the names of the fixed values we need
+ */
+PageDescription registerPageWindPlot(
+    "WindPlot", // Page name
+    createPage, // Action
+    0, // Number of bus values depends on selection in Web configuration
+    { "TWD", "TWS" }, // Bus values we need in the page
+//    {}, // Bus values we need in the page
+    true // Show display header on/off
+);
+
+#endif

lib/obp60task/PageWindRose.cpp

@@ -24,7 +24,7 @@ public:
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -140,7 +140,7 @@ public:
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageWindRose, %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4, name5.c_str(), value5, name6.c_str(), value6);
 
         // Draw page
@@ -357,8 +357,7 @@ public:
             getdisplay().print(unit6old);                // Unit
         }
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
     };
 };
 

lib/obp60task/PageWindRoseFlex.cpp

@@ -24,7 +24,7 @@ public:
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -140,7 +140,7 @@ public:
         }
 
         // Logging boat values
-        if (bvalue1 == NULL) return;
+        if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
         LOG_DEBUG(GwLog::LOG,"Drawing at PageWindRoseFlex, %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f,  %s:%f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4, name5.c_str(), value5, name6.c_str(), value6);
 
         // Draw page
@@ -362,8 +362,7 @@ if ( cos(value1) > 0){
     }
     
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
     };
 };
 

lib/obp60task/PageXTETrack.cpp

@@ -65,7 +65,7 @@ class PageXTETrack : public Page
         return key;
     }
 
-    virtual void displayPage(PageData &pageData){
+    int displayPage(PageData &pageData){
         GwConfigHandler *config = commonData->config;
         GwLog *logger = commonData->logger;
 
@@ -207,9 +207,7 @@ class PageXTETrack : public Page
         drawSegment(399, 100, 318, 24, 289, 24, 350, 100, commonData->fgcolor, seg[4]);
         drawSegment(399, 54, 354, 24, 325, 24, 399, 90, commonData->fgcolor, seg[5]);
 
-        // Update display
+        return PAGE_UPDATE;
-        getdisplay().nextPage();    // Partial update (fast)
-
     };
 };
 

lib/obp60task/Pagedata.h

@@ -4,15 +4,19 @@
 #include <functional>
 #include <vector>
 #include "LedSpiTask.h"
+#include "OBPRingBuffer.h"
+#include "OBPDataOperations.h"
 
 #define MAX_PAGE_NUMBER 10    // Max number of pages for show data
 
 typedef std::vector<GwApi::BoatValue *> ValueList;
+
 typedef struct{
   String pageName;
   uint8_t pageNumber; // page number in sequence of visible pages
   //the values will always contain the user defined values first
   ValueList values;
+  tBoatHstryData boatHstry;
 } PageData;
 
 // Sensor data structure (only for extended sensors, not for NMEA bus sensors)
@@ -78,6 +82,22 @@ typedef struct{
     bool on;            // fast on/off detector
 } BacklightData;
 
+enum AlarmSource {
+    Alarm_Generic,
+    Alarm_Local,
+    Alarm_NMEA0183,
+    Alarm_NMEA2000
+};
+
+typedef struct{
+    uint8_t id; // alarm-id e.g. 01..99 from NMEA0183
+    AlarmSource source;
+    String message; // single line of plain text
+    bool active = false;
+    uint8_t signal; // how to signal MESSAGE | LED | BUZZER
+    uint8_t length_sec; // seconds until alarm disappeares without user interaction
+} AlarmData;
+
 typedef struct{
   GwApi::Status status;
   GwLog *logger=NULL;
@@ -86,6 +106,7 @@ typedef struct{
   SunData sundata;
   TouchKeyData keydata[6];
   BacklightData backlight;
+  AlarmData alarm;
   GwApi::BoatValue *time=NULL;
   GwApi::BoatValue *date=NULL;
   uint16_t fgcolor;
@@ -100,7 +121,7 @@ class Page{
     CommonData *commonData;
   public:
     int refreshtime = 1000;
-    virtual void displayPage(PageData &pageData)=0;
+    virtual int displayPage(PageData &pageData)=0;
     virtual void displayNew(PageData &pageData){}
     virtual void setupKeys() {
 #ifdef HARDWARE_V21
@@ -168,13 +189,15 @@ class PageStruct{
 // Standard format functions without overhead
 String formatDate(String fmttype, uint16_t year, uint8_t month, uint8_t day);
 String formatTime(char fmttype, uint8_t hour, uint8_t minute, uint8_t second);
+String formatLatitude(double lat);
+String formatLongitude(double lon);
 
 // Structure for formatted boat values
 typedef struct{
   double value;
   String svalue;
   String unit;
-} FormatedData;
+} FormattedData;
 
 // Formatter for boat values
-FormatedData formatValue(GwApi::BoatValue *value, CommonData &commondata);
+FormattedData formatValue(GwApi::BoatValue *value, CommonData &commondata);

lib/obp60task/config.json

@@ -219,6 +219,17 @@
             "obp60":"true"
         }
     },
+    {
+        "name": "calcTrueWnds",
+        "label": "Calculate True Wind",
+        "type": "boolean",
+        "default": "false",
+        "description": "If not available, calculate true wind data from appearant wind and other boat data",
+        "category": "OBP60 Settings",
+        "capabilities": {
+            "obp60": "true"
+        }
+    },
     {
         "name": "lengthFormat",
         "label": "Length Format",
@@ -726,7 +737,7 @@
         "condition": [
             { "calInstance1": "AWA" },
             { "calInstance1": "AWS" },
-            { "calInstance2": "COG" },
+            { "calInstance1": "COG" },
             { "calInstance1": "DBT" },
             { "calInstance1": "HDM" },
             { "calInstance1": "PRPOS" },
@@ -751,7 +762,7 @@
         "condition": [
             { "calInstance1": "AWA" },
             { "calInstance1": "AWS" },
-            { "calInstance2": "COG" },
+            { "calInstance1": "COG" },
             { "calInstance1": "DBT" },
             { "calInstance1": "HDM" },
             { "calInstance1": "PRPOS" },
@@ -779,7 +790,7 @@
         "condition": [
             { "calInstance1": "AWA" },
             { "calInstance1": "AWS" },
-            { "calInstance2": "COG" },
+            { "calInstance1": "COG" },
             { "calInstance1": "DBT" },
             { "calInstance1": "HDM" },
             { "calInstance1": "PRPOS" },
@@ -1285,8 +1296,6 @@
             "obp60":"true"
         }
     },
- 
-    
     {
         "name": "page1type",
         "label": "Type",
@@ -1315,6 +1324,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -1595,6 +1605,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -1872,6 +1883,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -2146,6 +2158,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -2417,6 +2430,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -2685,6 +2699,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -2950,6 +2965,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -3212,6 +3228,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -3471,6 +3488,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -3727,6 +3745,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"

lib/obp60task/config_obp40.json

@@ -219,6 +219,17 @@
             "obp40": "true"
         }
     },
+    {
+        "name": "calcTrueWnds",
+        "label": "Calculate True Wind",
+        "type": "boolean",
+        "default": "false",
+        "description": "If not available, calculate true wind data from appearant wind and other boat data",
+        "category": "OBP40 Settings",
+        "capabilities": {
+            "obp40": "true"
+        }
+    },
     {
         "name": "lengthFormat",
         "label": "Length Format",
@@ -707,10 +718,12 @@
             "---",
             "AWA",
             "AWS",
+            "COG",
             "DBT",
             "HDM",
             "PRPOS",
             "RPOS",
+            "SOG",
             "STW",
             "TWA",
             "TWS",
@@ -730,8 +743,22 @@
         "description": "Offset for data instance 1",
         "category": "OBP40 Calibrations",
         "capabilities": {
-            "obp40": "true"
+            "obp40":"true"
-        }
+        },
+        "condition": [
+            { "calInstance1": "AWA" },
+            { "calInstance1": "AWS" },
+            { "calInstance1": "COG" },
+            { "calInstance1": "DBT" },
+            { "calInstance1": "HDM" },
+            { "calInstance1": "PRPOS" },
+            { "calInstance1": "RPOS" },
+            { "calInstance1": "SOG" },
+            { "calInstance1": "STW" },
+            { "calInstance1": "TWA" },
+            { "calInstance1": "TWS" },
+            { "calInstance1": "TWD" },
+            { "calInstance1": "WTemp" } ]
     },
     {
         "name": "calSlope1",
@@ -741,8 +768,22 @@
         "description": "Slope for data instance 1",
         "category": "OBP40 Calibrations",
         "capabilities": {
-            "obp40": "true"
+            "obp40":"true"
-        }
+        },
+        "condition": [
+            { "calInstance1": "AWA" },
+            { "calInstance1": "AWS" },
+            { "calInstance1": "COG" },
+            { "calInstance1": "DBT" },
+            { "calInstance1": "HDM" },
+            { "calInstance1": "PRPOS" },
+            { "calInstance1": "RPOS" },
+            { "calInstance1": "SOG" },
+            { "calInstance1": "STW" },
+            { "calInstance1": "TWA" },
+            { "calInstance1": "TWS" },
+            { "calInstance1": "TWD" },
+            { "calInstance1": "WTemp" }  ]
     },
     {
         "name": "calSmooth1",
@@ -752,11 +793,25 @@
         "check": "checkMinMax",
         "min": 0,
         "max": 10,
-        "description": "Smoothing factor for data instance 1",
+        "description": "Smoothing factor [0..10]; 0 = no smoothing",
         "category": "OBP40 Calibrations",
         "capabilities": {
-            "obp40": "true"
+            "obp40":"true"
-        }
+        },
+        "condition": [
+            { "calInstance1": "AWA" },
+            { "calInstance1": "AWS" },
+            { "calInstance1": "COG" },
+            { "calInstance1": "DBT" },
+            { "calInstance1": "HDM" },
+            { "calInstance1": "PRPOS" },
+            { "calInstance1": "RPOS" },
+            { "calInstance1": "SOG" },
+            { "calInstance1": "STW" },
+            { "calInstance1": "TWA" },
+            { "calInstance1": "TWS" },
+            { "calInstance1": "TWD" },
+            { "calInstance1": "WTemp" }  ]
     },
     {
         "name": "calInstance2",
@@ -768,10 +823,12 @@
             "---",
             "AWA",
             "AWS",
+            "COG",
             "DBT",
             "HDM",
             "PRPOS",
             "RPOS",
+            "SOG",
             "STW",
             "TWA",
             "TWS",
@@ -791,8 +848,22 @@
         "description": "Offset for data instance 2",
         "category": "OBP40 Calibrations",
         "capabilities": {
-            "obp40": "true"
+            "obp40":"true"
-        }
+        },
+        "condition": [
+            { "calInstance2": "AWA" },
+            { "calInstance2": "AWS" },
+            { "calInstance2": "COG" },
+            { "calInstance2": "DBT" },
+            { "calInstance2": "HDM" },
+            { "calInstance2": "PRPOS" },
+            { "calInstance2": "RPOS" },
+            { "calInstance2": "SOG" },
+            { "calInstance2": "STW" },
+            { "calInstance2": "TWA" },
+            { "calInstance2": "TWS" },
+            { "calInstance2": "TWD" },
+            { "calInstance2": "WTemp" } ]
     },
     {
         "name": "calSlope2",
@@ -802,8 +873,22 @@
         "description": "Slope for data instance 2",
         "category": "OBP40 Calibrations",
         "capabilities": {
-            "obp40": "true"
+            "obp40":"true"
-        }
+        },
+        "condition": [
+            { "calInstance2": "AWA" },
+            { "calInstance2": "AWS" },
+            { "calInstance2": "COG" },
+            { "calInstance2": "DBT" },
+            { "calInstance2": "HDM" },
+            { "calInstance2": "PRPOS" },
+            { "calInstance2": "RPOS" },
+            { "calInstance2": "SOG" },
+            { "calInstance2": "STW" },
+            { "calInstance2": "TWA" },
+            { "calInstance2": "TWS" },
+            { "calInstance2": "TWD" },
+            { "calInstance2": "WTemp" } ]
     },
     {
         "name": "calSmooth2",
@@ -813,11 +898,25 @@
         "check": "checkMinMax",
         "min": 0,
         "max": 10,
-        "description": "Smoothing factor for data instance 2",
+        "description": "Smoothing factor [0..10]; 0 = no smoothing",
         "category": "OBP40 Calibrations",
         "capabilities": {
-            "obp40": "true"
+            "obp40":"true"
-        }
+        },
+        "condition": [
+            { "calInstance2": "AWA" },
+            { "calInstance2": "AWS" },
+            { "calInstance2": "COG" },
+            { "calInstance2": "DBT" },
+            { "calInstance2": "HDM" },
+            { "calInstance2": "PRPOS" },
+            { "calInstance2": "RPOS" },
+            { "calInstance2": "SOG" },
+            { "calInstance2": "STW" },
+            { "calInstance2": "TWA" },
+            { "calInstance2": "TWS" },
+            { "calInstance2": "TWD" },
+            { "calInstance2": "WTemp" } ]
     },
     {
         "name": "calInstance3",
@@ -829,10 +928,12 @@
             "---",
             "AWA",
             "AWS",
+            "COG",
             "DBT",
             "HDM",
             "PRPOS",
             "RPOS",
+            "SOG",
             "STW",
             "TWA",
             "TWS",
@@ -852,8 +953,22 @@
         "description": "Offset for data instance 3",
         "category": "OBP40 Calibrations",
         "capabilities": {
-            "obp40": "true"
+            "obp40":"true"
-        }
+        },
+        "condition": [
+            { "calInstance3": "AWA" },
+            { "calInstance3": "AWS" },
+            { "calInstance3": "COG" },
+            { "calInstance3": "DBT" },
+            { "calInstance3": "HDM" },
+            { "calInstance3": "PRPOS" },
+            { "calInstance3": "RPOS" },
+            { "calInstance3": "SOG" },
+            { "calInstance3": "STW" },
+            { "calInstance3": "TWA" },
+            { "calInstance3": "TWS" },
+            { "calInstance3": "TWD" },
+            { "calInstance3": "WTemp" } ]
     },
     {
         "name": "calSlope3",
@@ -863,8 +978,22 @@
         "description": "Slope for data instance 3",
         "category": "OBP40 Calibrations",
         "capabilities": {
-            "obp40": "true"
+            "obp40":"true"
-        }
+        },
+        "condition": [
+            { "calInstance3": "AWA" },
+            { "calInstance3": "AWS" },
+            { "calInstance3": "COG" },
+            { "calInstance3": "DBT" },
+            { "calInstance3": "HDM" },
+            { "calInstance3": "PRPOS" },
+            { "calInstance3": "RPOS" },
+            { "calInstance3": "SOG" },
+            { "calInstance3": "STW" },
+            { "calInstance3": "TWA" },
+            { "calInstance3": "TWS" },
+            { "calInstance3": "TWD" },
+            { "calInstance3": "WTemp" } ]
     },
     {
         "name": "calSmooth3",
@@ -874,11 +1003,25 @@
         "check": "checkMinMax",
         "min": 0,
         "max": 10,
-        "description": "Smoothing factor for data instance 3",
+        "description": "Smoothing factor [0..10]; 0 = no smoothing",
         "category": "OBP40 Calibrations",
         "capabilities": {
-            "obp40": "true"
+            "obp40":"true"
-        }
+        },
+        "condition": [
+            { "calInstance3": "AWA" },
+            { "calInstance3": "AWS" },
+            { "calInstance3": "COG" },
+            { "calInstance3": "DBT" },
+            { "calInstance3": "HDM" },
+            { "calInstance3": "PRPOS" },
+            { "calInstance3": "RPOS" },
+            { "calInstance3": "SOG" },
+            { "calInstance3": "STW" },
+            { "calInstance3": "TWA" },
+            { "calInstance3": "TWS" },
+            { "calInstance3": "TWD" },
+            { "calInstance3": "WTemp" } ]
     },
     {
         "name": "display",
@@ -1204,6 +1347,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -1484,6 +1628,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -1761,6 +1906,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -2035,6 +2181,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -2306,6 +2453,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -2574,6 +2722,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -2839,6 +2988,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -3101,6 +3251,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -3360,6 +3511,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -3616,6 +3768,7 @@
             "Voltage",
             "WhitePage",
             "Wind",
+            "WindPlot",
             "WindRose",
             "WindRoseFlex",
             "XTETrack"
@@ -3842,3 +3995,4 @@
         ]
     }
 ]
+

lib/obp60task/debugging.txt

@@ -0,0 +1,6 @@
+Debugging tool
+##############
+
+log.txt = text file with error messages from terminal console
+
+tools/decoder.py -p ESP32S3 -t ~/.platformio/packages/toolchain-xtensa-esp32s3/ -e .pio/build/obp60_s3/firmware.elf log.txt

lib/obp60task/extra_task.py

@@ -0,0 +1,30 @@
+# PlatformIO extra script for obp60task
+
+epdtype = "unknown"
+pcbvers = "unknown"
+for x in env["BUILD_FLAGS"]:
+    if x.startswith("-D HARDWARE_"):
+        pcbvers = x.split('_')[1]
+    if x.startswith("-D DISPLAY_"):
+        epdtype = x.split('_')[1]
+
+propfilename = os.path.join(env["PROJECT_LIBDEPS_DIR"], env["PIOENV"], "GxEPD2/library.properties")
+properties = {}
+with open(propfilename, 'r') as file:
+    for line in file:
+        match = re.match(r'^([^=]+)=(.*)$', line)
+        if match:
+            key = match.group(1).strip()
+            value = match.group(2).strip()
+            properties[key] = value
+
+gxepd2vers = "unknown"
+try:
+    if properties["name"] == "GxEPD2":
+        gxepd2vers = properties["version"]
+except:
+    pass
+
+env["CPPDEFINES"].extend([("BOARD", env["BOARD"]), ("EPDTYPE", epdtype), ("PCBVERS", pcbvers), ("GXEPD2VERS", gxepd2vers)])
+
+print("added hardware info to CPPDEFINES")

lib/obp60task/gen_set.py

@@ -31,6 +31,7 @@ no_of_fields_per_page = {
     "TwoValues": 2,
     "Voltage": 0,
     "WhitePage": 0,
+    "WindPlot": 0,
     "WindRose": 0,
     "WindRoseFlex": 6,
 }

lib/obp60task/obp60task.cpp

@@ -13,6 +13,8 @@
 #include "OBP60Extensions.h"            // Functions lib for extension board
 #include "OBP60Keypad.h"                // Functions for keypad
 #include "BoatDataCalibration.h"        // Functions lib for data instance calibration
+#include "OBPRingBuffer.h"              // Functions lib with ring buffer for history storage of some boat data
+#include "OBPDataOperations.h"          // Functions lib for data operations such as true wind calculation
 
 #ifdef BOARD_OBP40S3
 #include "driver/rtc_io.h"              // Needs for weakup from deep sleep
@@ -275,6 +277,8 @@ void registerAllPages(PageList &list){
     list.add(&registerPageFourValues2);
     extern PageDescription registerPageWind;
     list.add(&registerPageWind);
+    extern PageDescription registerPageWindPlot;
+    list.add(&registerPageWindPlot); 
     extern PageDescription registerPageWindRose;
     list.add(&registerPageWindRose);
     extern PageDescription registerPageWindRoseFlex;
@@ -372,6 +376,125 @@ void underVoltageDetection(GwApi *api, CommonData &common){
     }
 }
 
+//bool addTrueWind(GwApi* api, BoatValueList* boatValues, double *twd, double *tws, double *twa) {
+bool addTrueWind(GwApi* api, BoatValueList* boatValues) {
+    // Calculate true wind data and add to obp60task boat data list
+
+    double awaVal, awsVal, cogVal, stwVal, sogVal, hdtVal, hdmVal, varVal;
+    double twd, tws, twa;
+    bool isCalculated = false;
+    const double DBL_MIN = std::numeric_limits<double>::lowest();
+
+    GwApi::BoatValue *twdBVal = boatValues->findValueOrCreate("TWD");
+    GwApi::BoatValue *twsBVal = boatValues->findValueOrCreate("TWS");
+    GwApi::BoatValue *twaBVal = boatValues->findValueOrCreate("TWA");
+    GwApi::BoatValue *awaBVal = boatValues->findValueOrCreate("AWA");
+    GwApi::BoatValue *awsBVal = boatValues->findValueOrCreate("AWS");
+    GwApi::BoatValue *cogBVal = boatValues->findValueOrCreate("COG");
+    GwApi::BoatValue *stwBVal = boatValues->findValueOrCreate("STW");
+    GwApi::BoatValue *sogBVal = boatValues->findValueOrCreate("SOG");
+    GwApi::BoatValue *hdtBVal = boatValues->findValueOrCreate("HDT");
+    GwApi::BoatValue *hdmBVal = boatValues->findValueOrCreate("HDM");
+    GwApi::BoatValue *varBVal = boatValues->findValueOrCreate("VAR");
+    awaVal = awaBVal->valid ? awaBVal->value : DBL_MIN;
+    awsVal = awsBVal->valid ? awsBVal->value : DBL_MIN;
+    cogVal = cogBVal->valid ? cogBVal->value : DBL_MIN;
+    stwVal = stwBVal->valid ? stwBVal->value : DBL_MIN;
+    sogVal = sogBVal->valid ? sogBVal->value : DBL_MIN;
+    hdtVal = hdtBVal->valid ? hdtBVal->value : DBL_MIN;
+    hdmVal = hdmBVal->valid ? hdmBVal->value : DBL_MIN;
+    varVal = varBVal->valid ? varBVal->value : DBL_MIN;
+    api->getLogger()->logDebug(GwLog::DEBUG,"obp60task addTrueWind: AWA: %.1f, AWS: %.1f, COG: %.1f, STW: %.1f, HDT: %.1f, HDM: %.1f, VAR: %.1f", awaBVal->value * RAD_TO_DEG, awsBVal->value * 3.6 / 1.852,
+            cogBVal->value * RAD_TO_DEG, stwBVal->value * 3.6 / 1.852, hdtBVal->value * RAD_TO_DEG, hdmBVal->value * RAD_TO_DEG, varBVal->value * RAD_TO_DEG);
+
+//    isCalculated = WindUtils::calcTrueWind(&awaVal, &awsVal, &cogVal, &stwVal, &sogVal, &hdtVal, &hdmVal, &varVal, &twdBVal->value, &twsBVal->value, &twaBVal->value);
+    isCalculated = WindUtils::calcTrueWind(&awaVal, &awsVal, &cogVal, &stwVal, &sogVal, &hdtVal, &hdmVal, &varVal, &twd, &tws, &twa);
+
+    if (isCalculated) { // Replace values only, if successfully calculated and not already available
+        if (!twdBVal->valid) {
+            twdBVal->value = twd;
+            twdBVal->valid = true;
+        }
+        if (!twsBVal->valid) {
+            twsBVal->value = tws;
+            twsBVal->valid = true;
+        }
+        if (!twaBVal->valid) {
+            twaBVal->value = twa;
+            twaBVal->valid = true;
+        }
+    }
+    api->getLogger()->logDebug(GwLog::DEBUG,"obp60task calcTrueWind: TWD_Valid? %d, TWD=%.1f, TWS=%.1f, TWA=%.1f, isCalculated? %d", twdBVal->valid, twdBVal->value * RAD_TO_DEG, twsBVal->value * 3.6 / 1.852,
+        twaBVal->value * RAD_TO_DEG, isCalculated);
+
+    return isCalculated;
+}
+
+void initHstryBuf(GwApi* api, BoatValueList* boatValues, tBoatHstryData hstryBufList) {
+    // Init history buffers for TWD, TWS
+
+    GwApi::BoatValue *calBVal; // temp variable just for data calibration -> we don't want to calibrate the original data here
+
+    int hstryUpdFreq = 1000; // Update frequency for history buffers in ms
+    int hstryMinVal = 0; // Minimum value for these history buffers
+    int twdHstryMax = 6283; // Max value for wind direction (TWD) in rad (0...2*PI), shifted by 1000 for 3 decimals
+    int twsHstryMax = 1000; // Max value for wind speed (TWS) in m/s, shifted by 10 for 1 decimal
+    // Initialize history buffers with meta data
+    hstryBufList.twdHstry->setMetaData("TWD", "formatCourse", hstryUpdFreq, hstryMinVal, twdHstryMax);
+    hstryBufList.twsHstry->setMetaData("TWS", "formatKnots", hstryUpdFreq, hstryMinVal, twsHstryMax);
+
+    GwApi::BoatValue *twdBVal = boatValues->findValueOrCreate(hstryBufList.twdHstry->getName());
+    GwApi::BoatValue *twsBVal = boatValues->findValueOrCreate(hstryBufList.twsHstry->getName());
+    GwApi::BoatValue *twaBVal = boatValues->findValueOrCreate("TWA");
+}
+
+void handleHstryBuf(GwApi* api, BoatValueList* boatValues, tBoatHstryData hstryBufList) {
+    // Handle history buffers for TWD, TWS
+
+    GwLog *logger = api->getLogger();
+
+    int16_t twdHstryMin = hstryBufList.twdHstry->getMinVal();
+    int16_t twdHstryMax = hstryBufList.twdHstry->getMaxVal();
+    int16_t twsHstryMin = hstryBufList.twsHstry->getMinVal();
+    int16_t twsHstryMax = hstryBufList.twsHstry->getMaxVal();
+    int16_t twdBuf, twsBuf;
+    GwApi::BoatValue *calBVal; // temp variable just for data calibration -> we don't want to calibrate the original data here
+
+    GwApi::BoatValue *twdBVal = boatValues->findValueOrCreate(hstryBufList.twdHstry->getName());
+    GwApi::BoatValue *twsBVal = boatValues->findValueOrCreate(hstryBufList.twsHstry->getName());
+    GwApi::BoatValue *twaBVal = boatValues->findValueOrCreate("TWA");
+
+    api->getLogger()->logDebug(GwLog::DEBUG,"obp60task handleHstryBuf: twdBVal: %f, twsBVal: %f, twaBVal: %f, TWD_isValid? %d", twdBVal->value * RAD_TO_DEG,
+        twsBVal->value * 3.6 / 1.852, twaBVal->value * RAD_TO_DEG, twdBVal->valid);
+    calBVal = new GwApi::BoatValue("TWD"); // temporary solution for calibration of history buffer values
+    calBVal->setFormat(twdBVal->getFormat());
+    if (twdBVal->valid) {
+        calBVal->value = twdBVal->value;
+        calBVal->valid = twdBVal->valid;
+        calibrationData.calibrateInstance(calBVal, logger); // Check if boat data value is to be calibrated
+        twdBuf = static_cast<int16_t>(std::round(calBVal->value * 1000));
+        if (twdBuf >= twdHstryMin && twdBuf <= twdHstryMax) {
+            hstryBufList.twdHstry->add(twdBuf);
+        }
+    }
+    delete calBVal;
+    calBVal = nullptr;
+
+    calBVal = new GwApi::BoatValue("TWS"); // temporary solution for calibration of history buffer values
+    calBVal->setFormat(twsBVal->getFormat());
+    if (twsBVal->valid) {
+        calBVal->value = twsBVal->value;
+        calBVal->valid = twsBVal->valid;
+        calibrationData.calibrateInstance(calBVal, logger); // Check if boat data value is to be calibrated
+        twsBuf = static_cast<int16_t>(std::round(calBVal->value * 10));
+        if (twsBuf >= twsHstryMin && twsBuf <= twsHstryMax) {
+            hstryBufList.twsHstry->add(twsBuf);
+        }
+    }
+    delete calBVal;
+    calBVal = nullptr;
+}
+
 // OBP60 Task
 //####################################################################################
 void OBP60Task(GwApi *api){
@@ -421,7 +544,7 @@ void OBP60Task(GwApi *api){
     #endif
 
     #ifdef DISPLAY_GDEY042T81
-        getdisplay().init(115200, true, 2, false);  // Use this for Waveshare boards with "clever" reset circuit, 2ms reset pulse
+        getdisplay().init(115200, true, 2, false);  // Init for Waveshare boards with "clever" reset circuit, 2ms reset pulse
     #else
         getdisplay().init(115200);                  // Init for normal displays
     #endif
@@ -485,6 +608,11 @@ void OBP60Task(GwApi *api){
     //commonData.distanceformat=config->getString(xxx);
     //add all necessary data to common data
 
+    // Create ring buffers for history storage of some boat data
+    RingBuffer<int16_t> twdHstry(960); // Circular buffer to store wind direction values; store 960 TWD values for 16 minutes history
+    RingBuffer<int16_t> twsHstry(960); // Circular buffer to store wind speed values (TWS)
+    tBoatHstryData hstryBufList = {&twdHstry, &twsHstry};
+
     //fill the page data from config
     numPages=config->getInt(config->visiblePages,1);
     if (numPages < 1) numPages=1;
@@ -523,6 +651,10 @@ void OBP60Task(GwApi *api){
             LOG_DEBUG(GwLog::DEBUG,"added fixed value %s to page %d",value->getName().c_str(),i);
             pages[i].parameters.values.push_back(value); 
        }
+        if (pages[i].description->pageName == "WindPlot") {
+            // Add boat history data to page parameters
+            pages[i].parameters.boatHstry = hstryBufList;
+        }
     }
     // add out of band system page (always available)
     Page *syspage = allPages.pages[0]->creator(commonData);
@@ -530,6 +662,13 @@ void OBP60Task(GwApi *api){
     // Read all calibration data settings from config
     calibrationData.readConfig(config, logger);
 
+    // Check user setting for true wind calculation
+    bool calcTrueWnds = api->getConfig()->getBool(api->getConfig()->calcTrueWnds, false);
+    // bool simulation = api->getConfig()->getBool(api->getConfig()->useSimuData, false);
+
+    // Initialize history buffer for certain boat data
+    initHstryBuf(api, &boatValues, hstryBufList);
+
     // Display screenshot handler for HTTP request
     // http://192.168.15.1/api/user/OBP60Task/screenshot
     api->registerRequestHandler("screenshot", [api, &pageNumber, pages](AsyncWebServerRequest *request) {
@@ -711,7 +850,7 @@ void OBP60Task(GwApi *api){
                     }
                   
                     // #9 or #10 Refresh display after a new page after 4s waiting time and if refresh is disabled
-                    if(refreshmode == true && (keyboardMessage == 9 || keyboardMessage == 10)){
+                    if(refreshmode == true && (keyboardMessage == 9 || keyboardMessage == 10 || keyboardMessage == 4 || keyboardMessage == 3)){
                         starttime4 = millis();
                         starttime2 = millis();      // Reset the timer for full display update
                         delayedDisplayUpdate = true;
@@ -747,12 +886,22 @@ void OBP60Task(GwApi *api){
                 starttime1 = millis();
                 starttime2 = millis();
                 getdisplay().setFullWindow();    // Set full update
-                getdisplay().nextPage();
+                if(fastrefresh == "true"){
-                if(fastrefresh == "false"){
+                    getdisplay().nextPage();                     // Full update
+                }
+                else{
                     getdisplay().fillScreen(commonData.fgcolor); // Clear display
+                    #ifdef DISPLAY_GDEY042T81
+                        getdisplay().init(115200, true, 2, false); // Init for Waveshare boards with "clever" reset circuit, 2ms reset pulse
+                    #else
+                        getdisplay().init(115200);               // Init for normal displays
+                    #endif
+                    getdisplay().firstPage();                    // Full update
                     getdisplay().nextPage();                     // Full update
-                    getdisplay().fillScreen(commonData.bgcolor); // Clear display
+//                    getdisplay().setPartialWindow(0, 0, getdisplay().width(), getdisplay().height()); // Set partial update
-                    getdisplay().nextPage();                     // Full update
+//                    getdisplay().fillScreen(commonData.bgcolor); // Clear display
+//                    getdisplay().nextPage();                     // Partial update
+//                    getdisplay().nextPage();                     // Partial update
                 }
                 delayedDisplayUpdate = false;
             }
@@ -764,12 +913,22 @@ void OBP60Task(GwApi *api){
                 starttime2 = millis();
                 LOG_DEBUG(GwLog::DEBUG,"E-Ink full refresh first 5 min");
                 getdisplay().setFullWindow();    // Set full update
-                getdisplay().nextPage();
+                if(fastrefresh == "true"){
-                if(fastrefresh == "false"){
+                    getdisplay().nextPage();                     // Full update
+                }
+                else{
                     getdisplay().fillScreen(commonData.fgcolor); // Clear display
+                    #ifdef DISPLAY_GDEY042T81
+                        getdisplay().init(115200, true, 2, false); // Init for Waveshare boards with "clever" reset circuit, 2ms reset pulse
+                    #else
+                        getdisplay().init(115200);               // Init for normal displays
+                    #endif
+                    getdisplay().firstPage();                    // Full update
                     getdisplay().nextPage();                     // Full update
-                    getdisplay().fillScreen(commonData.bgcolor); // Clear display
+//                    getdisplay().setPartialWindow(0, 0, getdisplay().width(), getdisplay().height()); // Set partial update
-                    getdisplay().nextPage();                     // Full update
+//                    getdisplay().fillScreen(commonData.bgcolor); // Clear display
+//                    getdisplay().nextPage();                     // Partial update
+//                    getdisplay().nextPage();                     // Partial update
                 }
             }
 
@@ -778,15 +937,25 @@ void OBP60Task(GwApi *api){
                 starttime2 = millis();
                 LOG_DEBUG(GwLog::DEBUG,"E-Ink full refresh");
                 getdisplay().setFullWindow();    // Set full update
-                getdisplay().nextPage();
+                if(fastrefresh == "true"){
-                if(fastrefresh == "false"){
-                    getdisplay().fillScreen(commonData.fgcolor); // Clear display
-                    getdisplay().nextPage();                     // Full update
-                    getdisplay().fillScreen(commonData.bgcolor); // Clear display
                     getdisplay().nextPage();                     // Full update
                 }
-            }
+                else{
-            
+                    getdisplay().fillScreen(commonData.fgcolor); // Clear display
+                    #ifdef DISPLAY_GDEY042T81
+                        getdisplay().init(115200, true, 2, false); // Init for Waveshare boards with "clever" reset circuit, 2ms reset pulse
+                    #else
+                        getdisplay().init(115200);               // Init for normal displays
+                    #endif
+                    getdisplay().firstPage();                    // Full update
+                    getdisplay().nextPage();                     // Full update
+//                    getdisplay().setPartialWindow(0, 0, getdisplay().width(), getdisplay().height()); // Set partial update
+//                    getdisplay().fillScreen(commonData.bgcolor); // Clear display
+//                    getdisplay().nextPage();                     // Partial update
+//                    getdisplay().nextPage();                     // Partial update
+                }
+            }        
+                
             // Refresh display data, default all 1s
             currentPage = pages[pageNumber].page;
             int pagetime = 1000;
@@ -802,6 +971,12 @@ void OBP60Task(GwApi *api){
                 api->getBoatDataValues(boatValues.numValues,boatValues.allBoatValues);
                 api->getStatus(commonData.status);
 
+                if (calcTrueWnds) {
+                    addTrueWind(api, &boatValues);
+                }
+                // Handle history buffers for TWD, TWS for wind plot page and other usage
+                 handleHstryBuf(api, &boatValues, hstryBufList);
+
                 // Clear display
                 // getdisplay().fillRect(0, 0, getdisplay().width(), getdisplay().height(), commonData.bgcolor);
                 getdisplay().fillScreen(commonData.bgcolor);  // Clear display
@@ -843,7 +1018,16 @@ void OBP60Task(GwApi *api){
                         if (pages[pageNumber].description && pages[pageNumber].description->header){
                             displayFooter(commonData);
                         }
-                        currentPage->displayPage(pages[pageNumber].parameters);
+                        int ret = currentPage->displayPage(pages[pageNumber].parameters);
+                        if (commonData.alarm.active) {
+                            displayAlarm(commonData);
+                        }
+                        if (ret & PAGE_UPDATE) {
+                            getdisplay().nextPage(); // Partial update (fast)
+                        }
+                        if (ret & PAGE_HIBERNATE) {
+                            getdisplay().hibernate();
+                        }
                     }
 
                 }

lib/obp60task/platformio.ini

@@ -40,19 +40,20 @@ lib_deps =
     paulstoffregen/OneWire@2.3.8
     milesburton/DallasTemperature@3.11.0
     signetica/SunRise@2.0.2
-    adafruit/Adafruit FRAM I2C@^2.0.3
+    adafruit/Adafruit FRAM I2C@2.0.3
 build_flags=
     #https://thingpulse.com/usb-settings-for-logging-with-the-esp32-s3-in-platformio/?srsltid=AfmBOopGskbkr4GoeVkNlFaZXe_zXkLceKF6Rn-tmoXABCeAR2vWsdHL
-#    -D CORE_DEBUG_LEVEL=1           #Debug level for CPU core via CDC (seral device)
+#    -D CORE_DEBUG_LEVEL=1           #Debug level for CPU core via CDC (serial device)
 #    -D TIME=$UNIX_TIME              #Set PC time for RTC (only settable via VSC)
     -D DISABLE_DIAGNOSTIC_OUTPUT    #Disable diagnostic output for GxEPD2 lib
     -D BOARD_OBP60S3                #Board OBP60 V2.1 with ESP32S3
 #    -D HARDWARE_V20                 #OBP60 hardware revision V2.0
     -D HARDWARE_V21                 #OBP60 hardware revision V2.1
-#    -D DISPLAY_GDEW042T2            #old E-Ink display from Waveshare, R10 0.47 ohm
+#    -D DISPLAY_GDEW042T2            #old E-Ink display from GoodDisplay (Waveshare), R10 0.47 ohm - very good
-    -D DISPLAY_GDEY042T81           #new E-Ink display from Waveshare, R10 2.2 ohm
+    -D DISPLAY_GDEY042T81           #new E-Ink display from GoodDisplay (Waveshare), R10 2.2 ohm - good (contast lost by shunshine)
-#    -D DISPLAY_GYE042A87            #alternativ E-Ink display from Genyo Optical, R10 2.2 ohm
+#    -D DISPLAY_GYE042A87            #alternativ E-Ink display from Genyo Optical, R10 2.2 ohm - medium 
-#    -D DISPLAY_SE0420NQ04           #alternativ E-Ink display from SID Technology, R10 2.2 ohm
+#    -D DISPLAY_SE0420NQ04           #alternativ E-Ink display from SID Technology, R10 2.2 ohm - bad (burn in effects)
+#    -D DISPLAY_ZJY400300-042CAAMFGN #alternativ E-Ink display from ZZE Technology, R10 2.2 ohm - very good
     ${env.build_flags}
 #CONFIG_ESP_TASK_WDT_TIMEOUT_S = 10 #Task Watchdog timeout period (seconds) [1...60] 5 default
 upload_port = /dev/ttyACM0          #OBP60 download via USB-C direct
@@ -91,12 +92,13 @@ lib_deps =
     paulstoffregen/OneWire@2.3.8
     milesburton/DallasTemperature@3.11.0
     signetica/SunRise@2.0.2
-    adafruit/Adafruit FRAM I2C@^2.0.3
+    adafruit/Adafruit FRAM I2C@2.0.3
 build_flags=
     -D DISABLE_DIAGNOSTIC_OUTPUT    #Disable diagnostic output for GxEPD2 lib
     -D BOARD_OBP40S3                #Board OBP40 with ESP32S3
     -D HARDWARE_V10                 #OBP40 hardware revision V1.0 SKU:DIE07300S V1.1 (CrowPanel 4.2)
-    -D DISPLAY_GDEY042T81           #new E-Ink display from Waveshare, R10 2.2 ohm
+    -D DISPLAY_GDEY042T81           #new E-Ink display from Good Display (Waveshare), R10 2.2 ohm - good (contast lost by shunshine)
+    #-D DISPLAY_ZJY400300-042CAAMFGN #alternativ E-Ink display from ZZE Technology, R10 2.2 ohm - very good   
     #-D LIPO_ACCU_1200               #Hardware extension, LiPo accu 3,7V 1200mAh
     #-D VOLTAGE_SENSOR               #Hardware extension, LiPo voltage sensor with two resistors
     ${env.build_flags}