Merge branch 'You69Man-feature/display_84x48_symbolic_PR' into development03

2 years ago · c8f5f29fe9
27 changed files with 2119 additions and 203 deletions
--- a/pics/PXL_20230824_204200660.jpg
+++ b/pics/PXL_20230824_204200660.jpg
--- a/pics/PXL_20230901_061927908.jpg
+++ b/pics/PXL_20230901_061927908.jpg
--- a/src/app.cpp
+++ b/src/app.cpp
@ -115,7 +115,7 @@ void app::setup() {

    // Plugins
    if (mConfig->plugin.display.type != 0)
-        mDisplay.setup(&mConfig->plugin.display, &mSys, &mTimestamp, mVersion);
+        mDisplay.setup(this, &mConfig->plugin.display, &mSys, &mNrfRadio, &mTimestamp);

    mPubSerial.setup(mConfig, &mSys, &mTimestamp);

--- a/src/app.h
+++ b/src/app.h
@ -55,7 +55,8 @@ typedef PubSerial<HmSystemType> PubSerialType;

 // PLUGINS
 #include "plugins/Display/Display.h"
-typedef Display<HmSystemType> DisplayType;
+#include "plugins/Display/Display_data.h"
+typedef Display<HmSystemType, HmRadio<>> DisplayType;

 class app : public IApp, public ah::Scheduler {
   public:
@ -362,6 +363,7 @@ class app : public IApp, public ah::Scheduler {

        // plugins
        DisplayType mDisplay;
+        DisplayData mDispData;
 };

 #endif /*__APP_H__*/
--- a/src/hm/hmRadio.h
+++ b/src/hm/hmRadio.h
@ -272,8 +272,8 @@ class HmRadio {
                            isLastPackage = true;                       // response from dev control command
                    }
                }
-                    yield();
-                }
+                yield();
+            }
            return isLastPackage;
        }

--- a/src/hm/miPayload.h
+++ b/src/hm/miPayload.h
@ -96,16 +96,16 @@ class MiPayload {
                        } else {
                            mStat->rxFail++;        // got "fragments" (part of the required messages)
                                                    // but no complete set of responses
-                        if (mSerialDebug) {
+                            if (mSerialDebug) {
                                DBGPRINT(F("no complete Payload received! (retransmits: "));
-                            DBGPRINT(String(mPayload[iv->id].retransmits));
-                            DBGPRINTLN(F(")"));
+                                DBGPRINT(String(mPayload[iv->id].retransmits));
+                                DBGPRINTLN(F(")"));
+                            }
                        }
-                    }
                        iv->setQueuedCmdFinished(); // command failed
+                    }
                }
            }
-            }

            reset(iv->id);
            mPayload[iv->id].requested = true;
--- a/src/plugins/Display/Display.h
+++ b/src/plugins/Display/Display.h
@ -5,6 +5,7 @@
 #include <U8g2lib.h>

 #include "../../hm/hmSystem.h"
+#include "../../hm/hmRadio.h"
 #include "../../utils/helper.h"
 #include "Display_Mono.h"
 #include "Display_Mono_128X32.h"
@ -12,21 +13,25 @@
 #include "Display_Mono_84X48.h"
 #include "Display_Mono_64X48.h"
 #include "Display_ePaper.h"
+#include "Display_data.h"

-template <class HMSYSTEM>
+template <class HMSYSTEM, class HMRADIO>
 class Display {
   public:
    Display() {
        mMono = NULL;
    }

-    void setup(display_t *cfg, HMSYSTEM *sys, uint32_t *utcTs, const char *version) {
+    void setup(IApp *app, display_t *cfg, HMSYSTEM *sys, HMRADIO *radio, uint32_t *utcTs) {
+        mApp = app;
+        mHmRadio = radio;
        mCfg = cfg;
        mSys = sys;
        mUtcTs = utcTs;
        mNewPayload = false;
        mLoopCnt = 0;
-        mVersion = version;
+
+        mDisplayData.version = app->getVersion();  // version never changes, so only set once

        switch (mCfg->type) {
            case 0: mMono = NULL; break;
@ -41,7 +46,7 @@ class Display {
                mMono = NULL;   // ePaper does not use this
                mRefreshCycle = 0;
                mEpaper.config(mCfg->rot, mCfg->pwrSaveAtIvOffline);
-                mEpaper.init(mCfg->type, mCfg->disp_cs, mCfg->disp_dc, mCfg->disp_reset, mCfg->disp_busy, mCfg->disp_clk, mCfg->disp_data, mUtcTs, mVersion);
+                mEpaper.init(mCfg->type, mCfg->disp_cs, mCfg->disp_dc, mCfg->disp_reset, mCfg->disp_busy, mCfg->disp_clk, mCfg->disp_data, mUtcTs, mDisplayData.version);
                break;
 #endif

@ -49,7 +54,7 @@ class Display {
        }
        if(mMono) {
            mMono->config(mCfg->pwrSaveAtIvOffline, mCfg->pxShift, mCfg->contrast);
-            mMono->init(mCfg->type, mCfg->rot, mCfg->disp_cs, mCfg->disp_dc, 0xff, mCfg->disp_clk, mCfg->disp_data, mUtcTs, mVersion);
+            mMono->init(mCfg->type, mCfg->rot, mCfg->disp_cs, mCfg->disp_dc, 0xff, mCfg->disp_clk, mCfg->disp_data, &mDisplayData);
        }
    }

@ -61,7 +66,7 @@ class Display {
        if (mMono != NULL)
            mMono->loop(mCfg->contrast);

-        if (mNewPayload || (((++mLoopCnt) % 30) == 0)) {
+        if (mNewPayload || (((++mLoopCnt) % 10) == 0)) {
            mNewPayload = false;
            mLoopCnt = 0;
            DataScreen();
@ -75,14 +80,13 @@ class Display {
    void DataScreen() {
        if (mCfg->type == 0)
            return;
-        if (*mUtcTs == 0)
-            return;

        float totalPower = 0;
        float totalYieldDay = 0;
        float totalYieldTotal = 0;

-        uint8_t isprod = 0;
+        uint8_t nrprod = 0;
+        uint8_t nrsleep = 0;

        Inverter<> *iv;
        record_t<> *rec;
@ -93,19 +97,39 @@ class Display {
                continue;

            if (iv->isProducing())
-                isprod++;
+                nrprod++;
+            else
+                nrsleep++;

            totalPower += iv->getChannelFieldValue(CH0, FLD_PAC, rec);
            totalYieldDay += iv->getChannelFieldValue(CH0, FLD_YD, rec);
            totalYieldTotal += iv->getChannelFieldValue(CH0, FLD_YT, rec);
        }

+        // prepare display data
+        mDisplayData.nrProducing = nrprod;
+        mDisplayData.nrSleeping = nrsleep;
+        mDisplayData.totalPower = totalPower;
+        mDisplayData.totalYieldDay = totalYieldDay;
+        mDisplayData.totalYieldTotal = totalYieldTotal;
+        mDisplayData.RadioSymbol = mHmRadio->isChipConnected();
+        mDisplayData.WifiSymbol = (WiFi.status() == WL_CONNECTED);
+        mDisplayData.MQTTSymbol = mApp->getMqttIsConnected();
+        mDisplayData.RadioRSSI = (0 < mDisplayData.nrProducing) ? 0 : SCHAR_MIN;  // Workaround as NRF24 has no RSSI. Could be approximated by transmisson error heuristic in the future
+        mDisplayData.WifiRSSI = (WiFi.status() == WL_CONNECTED) ? WiFi.RSSI() : SCHAR_MIN;
+        mDisplayData.ipAddress = WiFi.localIP();
+        time_t utc= mApp->getTimestamp();
+        if (year(utc) > 2020)
+            mDisplayData.utcTs = utc;
+        else
+            mDisplayData.utcTs = 0;
+
        if (mMono ) {
-            mMono->disp(totalPower, totalYieldDay, totalYieldTotal, isprod);
+            mMono->disp();
        }
 #if defined(ESP32)
        else if (mCfg->type == 10) {
-            mEpaper.loop(totalPower, totalYieldDay, totalYieldTotal, isprod);
+            mEpaper.loop(totalPower, totalYieldDay, totalYieldTotal, nrprod);
            mRefreshCycle++;
        }

@ -117,12 +141,14 @@ class Display {
    }

    // private member variables
+    IApp *mApp;
+    DisplayData mDisplayData;
    bool mNewPayload;
    uint8_t mLoopCnt;
    uint32_t *mUtcTs;
-    const char *mVersion;
    display_t *mCfg;
    HMSYSTEM *mSys;
+    HMRADIO *mHmRadio;
    uint16_t mRefreshCycle;

 #if defined(ESP32)
--- a/src/plugins/Display/Display_Mono.h
+++ b/src/plugins/Display/Display_Mono.h
@ -9,6 +9,7 @@
 #define DISP_FMT_TEXT_LEN 32
 #define BOTTOM_MARGIN 5

+#include "defines.h"

 #ifdef ESP8266
 #include <ESP8266WiFi.h>
@ -16,25 +17,29 @@
 #include <WiFi.h>
 #endif
 #include "../../utils/helper.h"
+#include "Display_data.h"

 class DisplayMono {
   public:
      DisplayMono() {};

-      virtual void init(uint8_t type, uint8_t rot, uint8_t cs, uint8_t dc, uint8_t reset, uint8_t clock, uint8_t data, uint32_t* utcTs, const char* version) = 0;
-      virtual void config(bool enPowerSafe, bool enScreenSaver, uint8_t lum) = 0;
+      virtual void init(uint8_t type, uint8_t rot, uint8_t cs, uint8_t dc, uint8_t reset, uint8_t clock, uint8_t data, DisplayData *displayData) = 0;
+      virtual void config(bool enPowerSave, bool enScreenSaver, uint8_t lum) = 0;
      virtual void loop(uint8_t lum) = 0;
-      virtual void disp(float totalPower, float totalYieldDay, float totalYieldTotal, uint8_t isprod) = 0;
+      virtual void disp(void) = 0;

   protected:
      U8G2* mDisplay;
+      DisplayData *mDisplayData;

      uint8_t mType;
-      bool mEnPowerSafe, mEnScreenSaver;
+      uint16_t mDispWidth;
+      uint16_t mDispHeight;
+
+      bool mEnPowerSave, mEnScreenSaver;
      uint8_t mLuminance;

      uint8_t mLoopCnt;
-      uint32_t* mUtcTs;
      uint8_t mLineXOffsets[5] = {};
      uint8_t mLineYOffsets[5] = {};

@ -42,4 +47,83 @@ class DisplayMono {

      uint8_t mExtra;
      uint16_t mTimeout;
-      char mFmtText[DISP_FMT_TEXT_LEN];};
+      char mFmtText[DISP_FMT_TEXT_LEN];
+
+      // Common initialization function to be called by subclasses
+      void monoInit(U8G2* display, uint8_t type, DisplayData *displayData) {
+         mDisplay = display;
+         mType = type;
+         mDisplayData = displayData;
+         mDisplay->begin();
+         mDisplay->setContrast(mLuminance);
+         mDisplay->clearBuffer();
+         mDispWidth = mDisplay->getDisplayWidth();
+         mDispHeight = mDisplay->getDisplayHeight();
+      }
+};
+
+/* adapted 5x8 Font for low-res displays with symbols
+Symbols:
+    \x80 ... antenna
+    \x81 ... WiFi
+    \x82 ... suncurve
+    \x83 ... sum/sigma
+    \x84 ... antenna crossed
+    \x85 ... WiFi crossed
+    \x86 ... sun
+    \x87 ... moon
+    \x88 ... calendar/day
+    \x89 ... MQTT               */
+const uint8_t u8g2_font_5x8_symbols_ahoy[1052] U8G2_FONT_SECTION("u8g2_font_5x8_symbols_ahoy") =
+  "j\0\3\2\4\4\3\4\5\10\10\0\377\6\377\6\0\1\61\2b\4\3 \5\0\304\11!\7a\306"
+  "\212!\11\42\7\63\335\212\304\22#\16u\304\232R\222\14JePJI\2$\14u\304\252l\251m"
+  "I\262E\0%\10S\315\212(\351\24&\13t\304\232(i\252\64%\1'\6\61\336\212\1(\7b"
+  "\305\32\245))\11b\305\212(\251(\0*\13T\304\212(Q\206D\211\2+\12U\304\252\60\32\244"
+  "\60\2,\7\63\275\32\245\4-\6\24\324\212!.\6\42\305\212!/\10d\304\272R[\6\60\14d"
+  "\304\32%R\206DJ\24\0\61\10c\305\232Dj\31\62\13d\304\32%\312\22%\33\2\63\13d\304"
+  "\212!\212D)Q\0\64\13d\304\252H\251\14Q\226\0\65\12d\304\212A\33\245D\1\66\13d\304"
+  "\32%[\42)Q\0\67\13d\304\212!\213\262(\213\0\70\14d\304\32%J\224HJ\24\0\71\13"
+  "d\304\32%\222\222-Q\0:\10R\305\212!\32\2;\10c\275\32\243R\2<\10c\305\252\244\224"
+  "\25=\10\64\314\212!\34\2>\11c\305\212\254\224\224\0?\11c\305\232\246$M\0@\15\205\274*"
+  ")\222\226DI\244\252\2A\12d\304\32%\222\206I\12B\14d\304\212%\32\222H\32\22\0C\12"
+  "d\304\32%\322J\211\2D\12d\304\212%r\32\22\0E\12d\304\212A[\262l\10F\12d\304"
+  "\212A[\262\32\0G\13d\304\32%\322\222)Q\0H\12d\304\212H\32&S\0I\10c\305\212"
+  "%j\31J\12d\304\232)\253\224\42\0K\13d\304\212HI\244\244S\0L\10d\304\212\254\333\20"
+  "M\12d\304\212h\70D\246\0N\12d\304\212h\31\226I\12O\12d\304\32%rJ\24\0P\13"
+  "d\304\212%\222\206$\313\0Q\12t\274\32%\222\26\307\0R\13d\304\212%\222\206$\222\2S\14"
+  "d\304\32%J\302$J\24\0T\11e\304\212A\12;\1U\11d\304\212\310S\242\0V\12d\304"
+  "\212\310)\221\24\0W\12d\304\212\310\64\34\242\0X\13d\304\212HJ$%\222\2Y\12e\304\212"
+  "LKja\11Z\12d\304\212!\213\332\206\0[\10c\305\212!j\32\134\10d\304\212,l\13]"
+  "\10c\305\212\251i\10^\6#\345\232\6_\6\24\274\212!`\6\42\345\212(a\11D\304\232!\222"
+  "\222\1b\13d\304\212,[\42iH\0c\7C\305\232)\23d\12d\304\272\312\20I\311\0e\11"
+  "D\304\32%\31\262\1f\12d\304\252Ji\312\42\0g\12T\274\32%J\266D\1h\12d\304\212"
+  ",[\42S\0i\10c\305\232P\252\14j\12s\275\252\64\212\224\12\0k\12d\304\212\254\64$\221"
+  "\24l\10c\305\12\251\313\0m\12E\304\12\245EI\224\2n\10D\304\212%\62\5o\11D\304\32"
+  "%\222\22\5p\12T\274\212%\32\222,\3q\11T\274\232!J\266\2r\11D\304\212$\261e\0"
+  "s\10C\305\232![\0t\13d\304\232,\232\262$J\0u\10D\304\212\310\224\14v\10C\305\212"
+  "\304R\1w\12E\304\212LI\224.\0x\11D\304\212(\221\224(y\13T\274\212HJ\206(Q"
+  "\0z\11D\304\212!*\15\1{\12t\304*%L\304(\24|\6a\306\212\3}\13t\304\12\61"
+  "\12\225\60\221\0~\10$\344\232DI\0\5\0\304\12\200\13u\274\212K\242T\266\260\4\201\14f"
+  "D\233!\11#-\312!\11\202\15hD<\65\12\243,\214\302$\16\203\15w<\214C\22F\71\220"
+  "\26\207A\204\16\205\274\212,)%Y\230%QR\13\205\17\206<\213\60\31\22\311\66D\245!\11\3"
+  "\206\20\210<\254\342\20]\302(L\246C\30E\0\207\15wD\334X\25\267\341\20\15\21\0\210\16w"
+  "<\214\203RQ\25I\212\324a\20\211\15f\304\213)\213\244,\222\222\245\0\0\0\0";
+
+
+const uint8_t u8g2_font_ncenB08_symbols8_ahoy[173] U8G2_FONT_SECTION("u8g2_font_ncenB08_symbols8_ahoy") =
+  "\13\0\3\2\4\4\1\2\5\10\11\0\0\10\0\10\0\0\0\0\0\0\224A\14\207\305\70H\321\222H"
+  "k\334\6B\20\230\305\32\262\60\211\244\266\60T\243\34\326\0C\20\210\305S\243\60\312\302(\214\302("
+  "L\342\0D\16\210\315\70(i\224#\71\20W\207\3E\15\207\305xI\206\323\232nIS\1F\25"
+  "\230\305H\206\244\230$C\22\15Y\242\204j\224\205I$\5G\17\210\305*\16\321%\214\302d:\204"
+  "Q\4H\14w\307\215Uq\33\16\321\20\1I\21\227\305\311\222aP\245H\221\244H\212\324a\20J"
+  "\5\0\275\0K\5\0\315\0\0\0\0";
+
+const uint8_t u8g2_font_ncenB10_symbols10_ahoy[207] U8G2_FONT_SECTION("u8g2_font_ncenB10_symbols10_ahoy") =
+  "\13\0\3\2\4\4\2\2\5\13\13\0\0\13\0\13\0\0\0\0\0\0\266A\15\267\212q\220\42\251\322"
+  "\266\306\275\1B\20\230\236\65da\22Ima\250F\71\254\1C\23\272\272\251\3Q\32\366Q\212\243"
+  "\70\212\243\70\311\221\0D\20\271\252\361\242F:\242#: {\36\16\1E\22\267\212\361\222\14I\242"
+  "\14\332\232\216[RJ\232\12F\25\250\233\221\14I\61I\206$\252%J\250Fa\224%J\71G\30"
+  "\273\312W\316r`T\262DJ\303\64L#%K\304\35\310\342,\3H\27\272\272\217\344P\16\351\210"
+  "\16\354\300<\244C\70,\303 \16!\0I\24\271\252\241\34\336\1-\223\64-\323\62-\323\62\35x"
+  "\10J\5\0\232\1K\5\0\232\1\0\0\0";
+
--- a/src/plugins/Display/Display_Mono_128X32.h
+++ b/src/plugins/Display/Display_Mono_128X32.h
@ -9,45 +9,32 @@
 class DisplayMono128X32 : public DisplayMono {
    public:
        DisplayMono128X32() : DisplayMono() {
-            mEnPowerSafe = true;
+            mEnPowerSave = true;
            mEnScreenSaver = true;
            mLuminance = 60;
            mExtra = 0;
            mDispY = 0;
            mTimeout = DISP_DEFAULT_TIMEOUT;  // interval at which to power save (milliseconds)
-            mUtcTs = NULL;
-            mType = 0;
        }

+        void config(bool enPowerSave, bool enScreenSaver, uint8_t lum) {
+            mEnPowerSave = enPowerSave;
+            mEnScreenSaver = enScreenSaver;
+            mLuminance = lum;
+        }

-        void init(uint8_t type, uint8_t rotation, uint8_t cs, uint8_t dc, uint8_t reset, uint8_t clock, uint8_t data, uint32_t *utcTs, const char *version) {
-
+        void init(uint8_t type, uint8_t rotation, uint8_t cs, uint8_t dc, uint8_t reset, uint8_t clock, uint8_t data, DisplayData *displayData) {
            u8g2_cb_t *rot = (u8g2_cb_t *)((rotation != 0x00) ? U8G2_R2 : U8G2_R0);
-            mType = type;
-            mDisplay = new U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C(rot, reset, clock, data);
-
-            mUtcTs = utcTs;
-
-            mDisplay->begin();
-
+            monoInit(new U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C(rot, reset, clock, data), type, displayData);
            calcLinePositions();
-
-            mDisplay->clearBuffer();
-            mDisplay->setContrast(mLuminance);
-            printText("AHOY!", 0);
+            printText("Ahoy!", 0);
            printText("ahoydtu.de", 2);
-            printText(version, 3);
+            printText(mDisplayData->version, 3);
            mDisplay->sendBuffer();
        }

-        void config(bool enPowerSafe, bool enScreenSaver, uint8_t lum) {
-            mEnPowerSafe = enPowerSafe;
-            mEnScreenSaver = enScreenSaver;
-            mLuminance = lum;
-        }
-
        void loop(uint8_t lum) {
-            if (mEnPowerSafe) {
+            if (mEnPowerSave) {
                if (mTimeout != 0)
                    mTimeout--;
            }
@ -58,43 +45,43 @@ class DisplayMono128X32 : public DisplayMono {
            }
        }

-        void disp(float totalPower, float totalYieldDay, float totalYieldTotal, uint8_t isprod) {
+        void disp(void) {
            mDisplay->clearBuffer();

            // set Contrast of the Display to raise the lifetime
            if (3 != mType)
                mDisplay->setContrast(mLuminance);

-            if ((totalPower > 0) && (isprod > 0)) {
+            if ((mDisplayData->totalPower > 0) && (mDisplayData->nrProducing > 0)) {
                mTimeout = DISP_DEFAULT_TIMEOUT;
                mDisplay->setPowerSave(false);
-                if (totalPower > 999)
-                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%2.2f kW", (totalPower / 1000));
+                if (mDisplayData->totalPower > 999)
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%2.2f kW", (mDisplayData->totalPower / 1000));
                else
-                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%3.0f W", totalPower);
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%3.0f W", mDisplayData->totalPower);

                printText(mFmtText, 0);
            } else {
                printText("offline", 0);
                // check if it's time to enter power saving mode
                if (mTimeout == 0)
-                    mDisplay->setPowerSave(mEnPowerSafe);
+                    mDisplay->setPowerSave(mEnPowerSave);
            }

-            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "today: %4.0f Wh", totalYieldDay);
+            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "today: %4.0f Wh", mDisplayData->totalYieldDay);
            printText(mFmtText, 1);

-            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "total: %.1f kWh", totalYieldTotal);
+            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "total: %.1f kWh", mDisplayData->totalYieldTotal);
            printText(mFmtText, 2);

            IPAddress ip = WiFi.localIP();
            if (!(mExtra % 10) && (ip))
                printText(ip.toString().c_str(), 3);
            else if (!(mExtra % 5)) {
-                snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%d Inverter on", isprod);
+                snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%d Inverter on", mDisplayData->nrProducing);
                printText(mFmtText, 3);
-            } else if (NULL != mUtcTs)
-                printText(ah::getTimeStr(gTimezone.toLocal(*mUtcTs)).c_str(), 3);
+            } else if (0 != mDisplayData->utcTs)
+                printText(ah::getTimeStr(gTimezone.toLocal(mDisplayData->utcTs)).c_str(), 3);

            mDisplay->sendBuffer();

@ -119,13 +106,13 @@ class DisplayMono128X32 : public DisplayMono {
        inline void setFont(uint8_t line) {
            switch (line) {
                case 0:
-                    mDisplay->setFont(u8g2_font_9x15_tf);
+                    mDisplay->setFont(u8g2_font_9x15_tr);
                    break;
                case 3:
-                    mDisplay->setFont(u8g2_font_tom_thumb_4x6_tf);
+                    mDisplay->setFont(u8g2_font_tom_thumb_4x6_tr);
                    break;
                default:
-                    mDisplay->setFont(u8g2_font_tom_thumb_4x6_tf);
+                    mDisplay->setFont(u8g2_font_tom_thumb_4x6_tr);
                    break;
            }
        }
--- a/src/plugins/Display/Display_Mono_128X64.h
+++ b/src/plugins/Display/Display_Mono_128X64.h
@ -9,53 +9,42 @@
 class DisplayMono128X64 : public DisplayMono {
    public:
        DisplayMono128X64() : DisplayMono() {
-            mEnPowerSafe = true;
+            mEnPowerSave = true;
            mEnScreenSaver = true;
            mLuminance = 60;
            mDispY = 0;
            mTimeout = DISP_DEFAULT_TIMEOUT;  // interval at which to power save (milliseconds)
-            mUtcTs = NULL;
-            mType = 0;
        }

-        void init(uint8_t type, uint8_t rotation, uint8_t cs, uint8_t dc, uint8_t reset, uint8_t clock, uint8_t data, uint32_t *utcTs, const char *version) {
+        void config(bool enPowerSave, bool enScreenSaver, uint8_t lum) {
+            mEnPowerSave = enPowerSave;
+            mEnScreenSaver = enScreenSaver;
+            mLuminance = lum;
+        }

+        void init(uint8_t type, uint8_t rotation, uint8_t cs, uint8_t dc, uint8_t reset, uint8_t clock, uint8_t data, DisplayData *displayData) {
            u8g2_cb_t *rot = (u8g2_cb_t *)((rotation != 0x00) ? U8G2_R2 : U8G2_R0);
-            mType = type;
-
            switch (type) {
                case 1:
-                    mDisplay = new U8G2_SSD1306_128X64_NONAME_F_HW_I2C(rot, reset, clock, data);
+                    monoInit(new U8G2_SSD1306_128X64_NONAME_F_HW_I2C(rot, reset, clock, data), type, displayData);
                    break;
                case 2:
-                    mDisplay = new U8G2_SH1106_128X64_NONAME_F_HW_I2C(rot, reset, clock, data);
+                    monoInit(new U8G2_SH1106_128X64_NONAME_F_HW_I2C(rot, reset, clock, data), type, displayData);
                    break;
                case 6:
-                    mDisplay = new U8G2_SSD1309_128X64_NONAME0_F_HW_I2C(rot, reset, clock, data);
+                default:
+                    monoInit(new U8G2_SSD1309_128X64_NONAME0_F_HW_I2C(rot, reset, clock, data), type, displayData);
                    break;
            }
-
-            mUtcTs = utcTs;
-
-            mDisplay->begin();
            calcLinePositions();
-
-            mDisplay->clearBuffer();
-            mDisplay->setContrast(mLuminance);
-            printText("AHOY!", 0, 35);
+            printText("Ahoy!", 0, 35);
            printText("ahoydtu.de", 2, 20);
-            printText(version, 3, 46);
+            printText(mDisplayData->version, 3, 46);
            mDisplay->sendBuffer();
        }

-        void config(bool enPowerSafe, bool enScreenSaver, uint8_t lum) {
-            mEnPowerSafe = enPowerSafe;
-            mEnScreenSaver = enScreenSaver;
-            mLuminance = lum;
-        }
-
        void loop(uint8_t lum) {
-            if (mEnPowerSafe) {
+            if (mEnPowerSave) {
                if (mTimeout != 0)
                    mTimeout--;
            }
@ -66,43 +55,43 @@ class DisplayMono128X64 : public DisplayMono {
            }
        }

-        void disp(float totalPower, float totalYieldDay, float totalYieldTotal, uint8_t isprod) {
+        void disp(void) {
            mDisplay->clearBuffer();

            // set Contrast of the Display to raise the lifetime
            mDisplay->setContrast(mLuminance);

-            if ((totalPower > 0) && (isprod > 0)) {
+            if ((mDisplayData->totalPower > 0) && (mDisplayData->nrProducing > 0)) {
                mTimeout = DISP_DEFAULT_TIMEOUT;
                mDisplay->setPowerSave(false);

-                if (totalPower > 999)
-                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%2.2f kW", (totalPower / 1000));
+                if (mDisplayData->totalPower > 999)
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%2.2f kW", (mDisplayData->totalPower / 1000));
                else
-                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%3.0f W", totalPower);
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%3.0f W", mDisplayData->totalPower);

                printText(mFmtText, 0);
            } else {
                printText("offline", 0, 25);
                // check if it's time to enter power saving mode
                if (mTimeout == 0)
-                mDisplay->setPowerSave(mEnPowerSafe);
+                    mDisplay->setPowerSave(mEnPowerSave);
            }

-            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "today: %4.0f Wh", totalYieldDay);
+            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "today: %4.0f Wh", mDisplayData->totalYieldDay);
            printText(mFmtText, 1);

-            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "total: %.1f kWh", totalYieldTotal);
+            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "total: %.1f kWh", mDisplayData->totalYieldTotal);
            printText(mFmtText, 2);

            IPAddress ip = WiFi.localIP();
            if (!(mExtra % 10) && (ip))
                printText(ip.toString().c_str(), 3);
            else if (!(mExtra % 5)) {
-                snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%d Inverter on", isprod);
+                snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%d Inverter on", mDisplayData->nrProducing);
                printText(mFmtText, 3);
-            } else  if (NULL != mUtcTs)
-                printText(ah::getDateTimeStr(gTimezone.toLocal(*mUtcTs)).c_str(), 3);
+            } else if (0 != mDisplayData->utcTs)
+                printText(ah::getDateTimeStr(gTimezone.toLocal(mDisplayData->utcTs)).c_str(), 3);

            mDisplay->sendBuffer();

@ -126,7 +115,7 @@ class DisplayMono128X64 : public DisplayMono {
                    mDisplay->setFont(u8g2_font_ncenB14_tr);
                    break;
                case 3:
-                    mDisplay->setFont(u8g2_font_5x8_tr);
+                    mDisplay->setFont(u8g2_font_5x8_symbols_ahoy);
                    break;
                default:
                    mDisplay->setFont(u8g2_font_ncenB10_tr);
--- a/src/plugins/Display/Display_Mono_64X48.h
+++ b/src/plugins/Display/Display_Mono_64X48.h
@ -9,46 +9,33 @@
 class DisplayMono64X48 : public DisplayMono {
    public:
        DisplayMono64X48() : DisplayMono() {
-            mEnPowerSafe = true;
+            mEnPowerSave = true;
            mEnScreenSaver = false;
            mLuminance = 20;
            mExtra = 0;
            mDispY = 0;
            mTimeout = DISP_DEFAULT_TIMEOUT;  // interval at which to power save (milliseconds)
-            mUtcTs = NULL;
-            mType = 0;
        }

-        void init(uint8_t type, uint8_t rotation, uint8_t cs, uint8_t dc, uint8_t reset, uint8_t clock, uint8_t data, uint32_t *utcTs, const char *version) {
+        void config(bool enPowerSave, bool enScreenSaver, uint8_t lum) {
+            mEnPowerSave = enPowerSave;
+            mEnScreenSaver = enScreenSaver;
+            mLuminance = lum;
+        }

+        void init(uint8_t type, uint8_t rotation, uint8_t cs, uint8_t dc, uint8_t reset, uint8_t clock, uint8_t data, DisplayData *displayData) {
            u8g2_cb_t *rot = (u8g2_cb_t *)((rotation != 0x00) ? U8G2_R2 : U8G2_R0);
-            mType = type;
-
            // Wemos OLed Shield is not defined in u8 lib -> use nearest compatible
-            mDisplay = new U8G2_SSD1306_64X48_ER_F_HW_I2C(rot, reset, clock, data);
-
-            mUtcTs = utcTs;
-
-            mDisplay->begin();
+            monoInit(new U8G2_SSD1306_64X48_ER_F_HW_I2C(rot, reset, clock, data), type, displayData);
            calcLinePositions();
-
-            mDisplay->clearBuffer();
-            mDisplay->setContrast(mLuminance);
-
-            printText("AHOY!", 0);
+            printText("Ahoy!", 0);
            printText("ahoydtu.de", 1);
-            printText(version, 2);
+            printText(mDisplayData->version, 2);
            mDisplay->sendBuffer();
        }

-        void config(bool enPowerSafe, bool enScreenSaver, uint8_t lum) {
-            mEnPowerSafe = enPowerSafe;
-            mEnScreenSaver = enScreenSaver;
-            mLuminance = lum;
-        }
-
        void loop(uint8_t lum) {
-            if (mEnPowerSafe) {
+            if (mEnPowerSave) {
                if (mTimeout != 0)
                    mTimeout--;
            }
@ -59,43 +46,43 @@ class DisplayMono64X48 : public DisplayMono {
            }
        }

-        void disp(float totalPower, float totalYieldDay, float totalYieldTotal, uint8_t isprod) {
+        void disp(void) {
            mDisplay->clearBuffer();

            // set Contrast of the Display to raise the lifetime
            mDisplay->setContrast(mLuminance);

-            if ((totalPower > 0) && (isprod > 0)) {
+            if ((mDisplayData->totalPower > 0) && (mDisplayData->nrProducing > 0)) {
                mTimeout = DISP_DEFAULT_TIMEOUT;
                mDisplay->setPowerSave(false);

-                if (totalPower > 999)
-                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%2.2f kW", (totalPower / 1000));
+                if (mDisplayData->totalPower > 999)
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%2.2f kW", (mDisplayData->totalPower / 1000));
                else
-                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%3.0f W", totalPower);
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%3.0f W", mDisplayData->totalPower);

                printText(mFmtText, 0);
            } else {
                printText("offline", 0);
                // check if it's time to enter power saving mode
                if (mTimeout == 0)
-                    mDisplay->setPowerSave(mEnPowerSafe);
+                    mDisplay->setPowerSave(mEnPowerSave);
            }

-            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "D: %4.0f Wh", totalYieldDay);
+            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "D: %4.0f Wh", mDisplayData->totalYieldDay);
            printText(mFmtText, 1);

-            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "T: %4.0f kWh", totalYieldTotal);
+            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "T: %4.0f kWh", mDisplayData->totalYieldTotal);
            printText(mFmtText, 2);

            IPAddress ip = WiFi.localIP();
            if (!(mExtra % 10) && (ip))
                printText(ip.toString().c_str(), 3);
            else if (!(mExtra % 5)) {
-                snprintf(mFmtText, DISP_FMT_TEXT_LEN, "active Inv: %d", isprod);
+                snprintf(mFmtText, DISP_FMT_TEXT_LEN, "active Inv: %d", mDisplayData->nrProducing);
                printText(mFmtText, 3);
-            } else if (NULL != mUtcTs)
-                printText(ah::getTimeStr(gTimezone.toLocal(*mUtcTs)).c_str(), 3);
+            } else if (0 != mDisplayData->utcTs)
+                printText(ah::getTimeStr(gTimezone.toLocal(mDisplayData->utcTs)).c_str(), 3);

            mDisplay->sendBuffer();

@ -115,11 +102,11 @@ class DisplayMono64X48 : public DisplayMono {
        inline void setFont(uint8_t line) {
            switch (line) {
                case 0:
-                    mDisplay->setFont(u8g2_font_fur11_tf);
+                    mDisplay->setFont(u8g2_font_fur11_tr);
                    break;
                case 1:
                case 2:
-                    mDisplay->setFont(u8g2_font_6x10_tf);
+                    mDisplay->setFont(u8g2_font_6x10_tr);
                    break;
                case 3:
                    mDisplay->setFont(u8g2_font_4x6_tr);
--- a/src/plugins/Display/Display_Mono_84X48.h
+++ b/src/plugins/Display/Display_Mono_84X48.h
@ -5,50 +5,37 @@

 #pragma once
 #include "Display_Mono.h"
+#include "../../utils/dbg.h"

 class DisplayMono84X48 : public DisplayMono {
    public:
        DisplayMono84X48() : DisplayMono() {
-            mEnPowerSafe = true;
+            mEnPowerSave = true;
            mEnScreenSaver = true;
-            mLuminance = 60;
+            mLuminance = 140;
            mExtra = 0;
            mDispY = 0;
            mTimeout = DISP_DEFAULT_TIMEOUT;  // interval at which to power save (milliseconds)
-            mUtcTs = NULL;
-            mType = 0;
-            mDispWidth = 0;
        }

-        void init(uint8_t type, uint8_t rotation, uint8_t cs, uint8_t dc, uint8_t reset, uint8_t clock, uint8_t data, uint32_t *utcTs, const char *version) {
+        void config(bool enPowerSave, bool enScreenSaver, uint8_t lum) {
+            mEnPowerSave = enPowerSave;
+            mEnScreenSaver = enScreenSaver;
+            mLuminance = lum;
+        }

+        void init(uint8_t type, uint8_t rotation, uint8_t cs, uint8_t dc, uint8_t reset, uint8_t clock, uint8_t data, DisplayData *displayData) {
            u8g2_cb_t *rot = (u8g2_cb_t *)((rotation != 0x00) ? U8G2_R2 : U8G2_R0);
-            mType = type;
-            mDisplay = new U8G2_PCD8544_84X48_F_4W_SW_SPI(rot, clock, data, cs, dc, reset);
-
-            mUtcTs = utcTs;
-
-            mDisplay->begin();
-            mDispWidth = mDisplay->getDisplayWidth();
+            monoInit(new U8G2_PCD8544_84X48_F_4W_SW_SPI(rot, clock, data, cs, dc, reset), type, displayData);
            calcLinePositions();
-
-            mDisplay->clearBuffer();
-            mDisplay->setContrast(mLuminance);
-
-            printText("AHOY!", l_Ahoy);
-            printText("ahoydtu.de", l_Website);
-            printText(version, l_Version);
+            printText("Ahoy!", l_Ahoy, 0xff);
+            printText("ahoydtu.de", l_Website, 0xff);
+            printText(mDisplayData->version, l_Version, 0xff);
            mDisplay->sendBuffer();
        }

-        void config(bool enPowerSafe, bool enScreenSaver, uint8_t lum) {
-            mEnPowerSafe = enPowerSafe;
-            mEnScreenSaver = enScreenSaver;
-            mLuminance = lum;
-        }
-
        void loop(uint8_t lum) {
-            if (mEnPowerSafe) {
+            if (mEnPowerSave) {
                if (mTimeout != 0)
                    mTimeout--;
            }
@ -59,44 +46,88 @@ class DisplayMono84X48 : public DisplayMono {
            }
        }

-        void disp(float totalPower, float totalYieldDay, float totalYieldTotal, uint8_t isprod) {
-            mDisplay->clearBuffer();
+        void disp(void) {
+            // Test
+            /*
+            mDisplayData->nrSleeping = 10;
+            mDisplayData->nrProducing = 10;
+            mDisplayData->totalPower = 12345.67;
+            mDisplayData->totalYieldDay = 12345.67;
+            mDisplayData->totalYieldTotal = 1234;
+            mDisplayData->utcTs += 1000000;
+            */

-            // set Contrast of the Display to raise the lifetime
-            mDisplay->setContrast(mLuminance);
+            mDisplay->clearBuffer();

-            if ((totalPower > 0) && (isprod > 0)) {
+            // print total power
+            if (mDisplayData->nrProducing > 0) {
                mTimeout = DISP_DEFAULT_TIMEOUT;
                mDisplay->setPowerSave(false);

-                if (totalPower > 999)
-                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%.2f kW", (totalPower / 1000));
+                if (mDisplayData->totalPower > 9999)
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%.2fkW", (mDisplayData->totalPower / 1000)); // forgo spacing between value and SI unit in favor of second position after decimal point
+                else if (mDisplayData->totalPower > 999)
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%.2f kW", (mDisplayData->totalPower / 1000));
                else
-                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%.0f W", totalPower);
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%.1f W", mDisplayData->totalPower);

-                printText(mFmtText, l_TotalPower);
+                printText(mFmtText, l_TotalPower, 0xff);
            } else {
-                printText("offline", l_TotalPower);
+                printText("offline", l_TotalPower, 0xff);
                // check if it's time to enter power saving mode
                if (mTimeout == 0)
-                    mDisplay->setPowerSave(mEnPowerSafe);
+                    mDisplay->setPowerSave(mEnPowerSave);
            }

-            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "Today: %4.0f Wh", totalYieldDay);
-            printText(mFmtText, l_YieldDay);
+            // print Date and time
+            if (0 != mDisplayData->utcTs)
+                printText(ah::getDateTimeStrShort(gTimezone.toLocal(mDisplayData->utcTs)).c_str(), l_Time, 0xff);

-            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "Total: %.1f kWh", totalYieldTotal);
-            printText(mFmtText, l_YieldTotal);
+            // alternatively:
+            // print ip address
+            if (!(mExtra % 5) && (mDisplayData->ipAddress)) {
+                snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%s", (mDisplayData->ipAddress).toString().c_str());
+                printText(mFmtText, l_Status, 0xff);
+            }
+            // print status of inverters
+            else {
+                if (0 == mDisplayData->nrSleeping)
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "\x86");
+                else if (0 == mDisplayData->nrProducing)
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "\x87");
+                else
+                    snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%d\x86 %d\x87", mDisplayData->nrProducing, mDisplayData->nrSleeping);
+                setLineFont(l_Status);
+                printText(mFmtText, l_Status, (mDispWidth - mDisplay->getStrWidth(mFmtText)) / 2);
+            }

-            if (NULL != mUtcTs)
-                printText(ah::getDateTimeStrShort(gTimezone.toLocal(*mUtcTs)).c_str(), l_Time);
+            // print yields
+            printText("\x88", l_YieldDay,   11); // day symbol
+            printText("\x83", l_YieldTotal, 11); // total symbol
+            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%7.0f Wh", mDisplayData->totalYieldDay);
+            printText(mFmtText, l_YieldDay, 18);
+            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%7.1f kWh", mDisplayData->totalYieldTotal);
+            printText(mFmtText, l_YieldTotal, 18);
+
+            // draw dynamic Nokia RSSI bars
+            int rssi_bar_height = 7;
+            for (int i=0; i<4;i++) {
+                int radio_rssi_threshold = -60 - i*10; // radio rssi not yet tested in reality!
+                int wifi_rssi_threshold = -60 - i*10;
+                if (mDisplayData->RadioRSSI > radio_rssi_threshold)
+                    mDisplay->drawBox(0,              8+(rssi_bar_height+1)*i,  4-i,rssi_bar_height);
+                if (mDisplayData->WifiRSSI > wifi_rssi_threshold)
+                    mDisplay->drawBox(mDispWidth-4+i, 8+(rssi_bar_height+1)*i,  4-i,rssi_bar_height);
+            }

-            IPAddress ip = WiFi.localIP();
-            if (!(mExtra % 5) && (ip))
-                snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%s", ip.toString().c_str());
+            // draw dynamic antenna and WiFi symbols
+            snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%c", mDisplayData->RadioSymbol?'\x80':'\x84'); // NRF
+            printText(mFmtText, l_RSSI);
+            if (mDisplayData->MQTTSymbol)
+                snprintf(mFmtText, DISP_FMT_TEXT_LEN, "\x89"); // MQTT
            else
-                snprintf(mFmtText, DISP_FMT_TEXT_LEN, "Inv.On: %d", isprod);
-            printText(mFmtText, l_Status);
+                snprintf(mFmtText, DISP_FMT_TEXT_LEN, "%c", mDisplayData->WifiSymbol?'\x81':'\x85'); // Wifi connected
+            printText(mFmtText, l_RSSI, mDispWidth - 6);

            mDisplay->sendBuffer();

@ -104,7 +135,6 @@ class DisplayMono84X48 : public DisplayMono {
        }

    private:
-        uint16_t mDispWidth;
        enum _dispLine {
            // start page
            l_Website = 0,
@ -116,6 +146,8 @@ class DisplayMono84X48 : public DisplayMono {
            l_TotalPower = 2,
            l_YieldDay = 3,
            l_YieldTotal = 4,
+            // run page - rssi bar symbols
+            l_RSSI = 4,
            // End
            l_MAX_LINES = 5,
        };
@ -126,7 +158,7 @@ class DisplayMono84X48 : public DisplayMono {
            uint8_t asc, dsc;

            do {
-                setFont(i);
+                setLineFont(i);
                asc = mDisplay->getAscent();
                yOff += asc;
                mLineYOffsets[i] = yOff;
@ -138,18 +170,23 @@ class DisplayMono84X48 : public DisplayMono {
            } while(l_MAX_LINES>i);
        }

-        inline void setFont(uint8_t line) {
+        inline void setLineFont(uint8_t line) {
            if ((line == l_TotalPower) || (line == l_Ahoy))
                mDisplay->setFont(u8g2_font_logisoso16_tr);
            else
-                mDisplay->setFont(u8g2_font_5x8_tr);
+                mDisplay->setFont(u8g2_font_5x8_symbols_ahoy);
        }

-        void printText(const char *text, uint8_t line) {
+        void printText(const char *text, uint8_t line, uint8_t col=0) {
            uint8_t dispX;
-            setFont(line);
-            dispX = (mDispWidth - mDisplay->getStrWidth(text)) / 2;  // center text
-            dispX += (mEnScreenSaver) ? (mExtra % 7) : 0;
+
+            setLineFont(line);
+            if (0xff == col)
+                dispX = (mDispWidth - mDisplay->getStrWidth(text)) / 2;  // center text
+            else
+                dispX = col;
            mDisplay->drawStr(dispX, mLineYOffsets[line], text);
        }
 };
+
+
--- a/src/plugins/Display/Display_data.h
+++ b/src/plugins/Display/Display_data.h
@ -0,0 +1,22 @@
+#include "../../utils/helper.h"
+
+#ifndef __DISPLAY_DATA__
+#define __DISPLAY_DATA__
+
+struct DisplayData {
+        const char *version=nullptr;
+        float totalPower=0.0f;          // indicate current power (W)
+        float totalYieldDay=0.0f;       // indicate day yield (W)
+        float totalYieldTotal=0.0f;     // indicate total yield (W)
+        uint32_t utcTs=0;               // indicate absolute timestamp (utc unix time). 0 = time is not synchonized
+        uint8_t nrProducing=0;          // indicate number of producing inverters
+        uint8_t nrSleeping=0;           // indicate number of sleeping inverters
+        bool WifiSymbol = false;        // indicate if WiFi is connected
+        bool RadioSymbol = false;       // indicate if radio module is connecting and working
+        bool MQTTSymbol = false;        // indicate if MQTT is connected
+        int8_t WifiRSSI=SCHAR_MIN;      // indicate RSSI value for WiFi
+        int8_t RadioRSSI=SCHAR_MIN;     // indicate RSSI value for radio
+        IPAddress ipAddress;            // indicate ip adress of ahoy
+};
+
+#endif /*__DISPLAY_DATA__*/
--- a/src/plugins/Display/Display_ePaper.cpp
+++ b/src/plugins/Display/Display_ePaper.cpp
@ -46,9 +46,9 @@ void DisplayEPaper::init(uint8_t type, uint8_t _CS, uint8_t _DC, uint8_t _RST, u
    }
 }

-void DisplayEPaper::config(uint8_t rotation, bool enPowerSafe) {
+void DisplayEPaper::config(uint8_t rotation, bool enPowerSave) {
    mDisplayRotation = rotation;
-    mEnPowerSafe = enPowerSafe;
+    mEnPowerSave = enPowerSave;
 }

 //***************************************************************************
@ -209,7 +209,7 @@ void DisplayEPaper::actualPowerPaged(float totalPower, float totalYieldDay, floa
        } else
            snprintf(_fmtText, sizeof(_fmtText), "offline");

-        if ((totalPower == 0) && (mEnPowerSafe)) {
+        if ((totalPower == 0) && (mEnPowerSave)) {
            _display->fillRect(0, mHeadFootPadding, 200, 200, GxEPD_BLACK);
            _display->drawBitmap(0, 0, logo, 200, 200, GxEPD_WHITE);
        } else {
@ -291,7 +291,7 @@ void DisplayEPaper::loop(float totalPower, float totalYieldDay, float totalYield
    if ((isprod > 0) && (_changed)) {
        _changed = false;
        lastUpdatePaged();
-    } else if ((0 == totalPower) && (mEnPowerSafe))
+    } else if ((0 == totalPower) && (mEnPowerSave))
        offlineFooter();

    _display->powerOff();
--- a/src/plugins/Display/Display_ePaper.h
+++ b/src/plugins/Display/Display_ePaper.h
@ -28,7 +28,7 @@ class DisplayEPaper {
        DisplayEPaper();
        void fullRefresh();
        void init(uint8_t type, uint8_t _CS, uint8_t _DC, uint8_t _RST, uint8_t _BUSY, uint8_t _SCK, uint8_t _MOSI, uint32_t* utcTs, const char* version);
-        void config(uint8_t rotation, bool enPowerSafe);
+        void config(uint8_t rotation, bool enPowerSave);
        void loop(float totalPower, float totalYieldDay, float totalYieldTotal, uint8_t isprod);
        void refreshLoop();
        void tickerSecond();
@ -56,7 +56,7 @@ class DisplayEPaper {
        uint8_t mHeadFootPadding;
        GxEPD2_GFX* _display;
        uint32_t* mUtcTs;
-        bool mEnPowerSafe;
+        bool mEnPowerSave;
        const char* _version;
        RefreshStatus mRefreshState, mNextRefreshState;
        uint8_t mSecondCnt;
--- a/tools/fonts/fontconv.bat
+++ b/tools/fonts/fontconv.bat
@ -0,0 +1,6 @@
+.\bdfconv\bdfconv_2_22.exe -v -f 1 -m "32-137" u8g2_font_5x8_symbols_ahoy.bdf               -o u8g2_font_5x8_symbols_ahoy.c_               -n u8g2_font_5x8_symbols_ahoy
+
+.\bdfconv\bdfconv_2_22.exe -v -f 1 -m "65-75" u8g2_font_ncenB10_symbols10_ahoy.bdf  -o u8g2_font_ncenB10_symbols10_ahoy.c_ -n u8g2_font_ncenB10_symbols10_ahoy
+.\bdfconv\bdfconv_2_22.exe -v -f 1 -m "65-75" u8g2_font_ncenB08_symbols8_ahoy.bdf   -o u8g2_font_ncenB08_symbols8_ahoy.c_  -n u8g2_font_ncenB08_symbols8_ahoy
+
+pause
--- a/font-sources.txt
+++ b/font-sources.txt
@ -0,0 +1,11 @@
+Useful sources to edit u8g2 fonts:
+
+bdf font files for u8g2 font library:
+https://github.com/olikraus/u8g2/tree/master/tools/font/bdf
+
+Tool to edit bdf files:
+https://github.com/olikraus/u8g2/tree/master/tools/font/fony
+
+Tool to convert bdf font files to u8g2 source code:
+https://github.com/olikraus/u8g2/tree/master/tools/font/bdfconv
+
--- a/tools/fonts/u8g2_font_5x8_symbols_ahoy.bdf
+++ b/tools/fonts/u8g2_font_5x8_symbols_ahoy.bdf
--- a/tools/fonts/u8g2_font_5x8_symbols_ahoy.c_
+++ b/tools/fonts/u8g2_font_5x8_symbols_ahoy.c_
@ -0,0 +1,40 @@
+/*
+  Fontname: u8g2_font_5x8_symbols_ahoy
+  Copyright: Public domain font.  Share and enjoy.
+  Glyphs: 106/106
+  BBX Build Mode: 0
+*/
+const uint8_t u8g2_font_5x8_symbols_ahoy[1052] U8G2_FONT_SECTION("u8g2_font_5x8_symbols_ahoy") = 
+  "j\0\3\2\4\4\3\4\5\10\10\0\377\6\377\6\0\1\61\2b\4\3 \5\0\304\11!\7a\306"
+  "\212!\11\42\7\63\335\212\304\22#\16u\304\232R\222\14JePJI\2$\14u\304\252l\251m"
+  "I\262E\0%\10S\315\212(\351\24&\13t\304\232(i\252\64%\1'\6\61\336\212\1(\7b"
+  "\305\32\245))\11b\305\212(\251(\0*\13T\304\212(Q\206D\211\2+\12U\304\252\60\32\244"
+  "\60\2,\7\63\275\32\245\4-\6\24\324\212!.\6\42\305\212!/\10d\304\272R[\6\60\14d"
+  "\304\32%R\206DJ\24\0\61\10c\305\232Dj\31\62\13d\304\32%\312\22%\33\2\63\13d\304"
+  "\212!\212D)Q\0\64\13d\304\252H\251\14Q\226\0\65\12d\304\212A\33\245D\1\66\13d\304"
+  "\32%[\42)Q\0\67\13d\304\212!\213\262(\213\0\70\14d\304\32%J\224HJ\24\0\71\13"
+  "d\304\32%\222\222-Q\0:\10R\305\212!\32\2;\10c\275\32\243R\2<\10c\305\252\244\224"
+  "\25=\10\64\314\212!\34\2>\11c\305\212\254\224\224\0?\11c\305\232\246$M\0@\15\205\274*"
+  ")\222\226DI\244\252\2A\12d\304\32%\222\206I\12B\14d\304\212%\32\222H\32\22\0C\12"
+  "d\304\32%\322J\211\2D\12d\304\212%r\32\22\0E\12d\304\212A[\262l\10F\12d\304"
+  "\212A[\262\32\0G\13d\304\32%\322\222)Q\0H\12d\304\212H\32&S\0I\10c\305\212"
+  "%j\31J\12d\304\232)\253\224\42\0K\13d\304\212HI\244\244S\0L\10d\304\212\254\333\20"
+  "M\12d\304\212h\70D\246\0N\12d\304\212h\31\226I\12O\12d\304\32%rJ\24\0P\13"
+  "d\304\212%\222\206$\313\0Q\12t\274\32%\222\26\307\0R\13d\304\212%\222\206$\222\2S\14"
+  "d\304\32%J\302$J\24\0T\11e\304\212A\12;\1U\11d\304\212\310S\242\0V\12d\304"
+  "\212\310)\221\24\0W\12d\304\212\310\64\34\242\0X\13d\304\212HJ$%\222\2Y\12e\304\212"
+  "LKja\11Z\12d\304\212!\213\332\206\0[\10c\305\212!j\32\134\10d\304\212,l\13]"
+  "\10c\305\212\251i\10^\6#\345\232\6_\6\24\274\212!`\6\42\345\212(a\11D\304\232!\222"
+  "\222\1b\13d\304\212,[\42iH\0c\7C\305\232)\23d\12d\304\272\312\20I\311\0e\11"
+  "D\304\32%\31\262\1f\12d\304\252Ji\312\42\0g\12T\274\32%J\266D\1h\12d\304\212"
+  ",[\42S\0i\10c\305\232P\252\14j\12s\275\252\64\212\224\12\0k\12d\304\212\254\64$\221"
+  "\24l\10c\305\12\251\313\0m\12E\304\12\245EI\224\2n\10D\304\212%\62\5o\11D\304\32"
+  "%\222\22\5p\12T\274\212%\32\222,\3q\11T\274\232!J\266\2r\11D\304\212$\261e\0"
+  "s\10C\305\232![\0t\13d\304\232,\232\262$J\0u\10D\304\212\310\224\14v\10C\305\212"
+  "\304R\1w\12E\304\212LI\224.\0x\11D\304\212(\221\224(y\13T\274\212HJ\206(Q"
+  "\0z\11D\304\212!*\15\1{\12t\304*%L\304(\24|\6a\306\212\3}\13t\304\12\61"
+  "\12\225\60\221\0~\10$\344\232DI\0\5\0\304\12\200\13u\274\212K\242T\266\260\4\201\14f"
+  "D\233!\11#-\312!\11\202\15hD<\65\12\243,\214\302$\16\203\15w<\214C\22F\71\220"
+  "\26\207A\204\16\205\274\212,)%Y\230%QR\13\205\17\206<\213\60\31\22\311\66D\245!\11\3"
+  "\206\20\210<\254\342\20]\302(L\246C\30E\0\207\15wD\334X\25\267\341\20\15\21\0\210\16w"
+  "<\214\203RQ\25I\212\324a\20\211\15f\304\213)\213\244,\222\222\245\0\0\0\0";
--- a/tools/fonts/u8g2_font_5x8_symbols_ahoy.fon
+++ b/tools/fonts/u8g2_font_5x8_symbols_ahoy.fon
--- a/tools/fonts/u8g2_font_ncenB08_symbols8_ahoy.bdf
+++ b/tools/fonts/u8g2_font_ncenB08_symbols8_ahoy.bdf
@ -0,0 +1,166 @@
+STARTFONT 2.1
+COMMENT Exported by Fony v1.4.7
+FONT u8g2_font_ncenB08_symbols8_ahoy
+SIZE 12 100 100
+FONTBOUNDINGBOX 9 11 0 -2
+STARTPROPERTIES 6
+COPYRIGHT ""
+RESOLUTION_X 100
+RESOLUTION_Y 100
+FONT_ASCENT 10
+FONT_DESCENT 2
+DEFAULT_CHAR 0
+ENDPROPERTIES
+CHARS 11
+STARTCHAR 065
+ENCODING 65
+SWIDTH 576 0
+DWIDTH 8 0
+BBX 7 8 0 0
+BITMAP
+FE
+92
+D6
+38
+10
+10
+10
+10
+ENDCHAR
+STARTCHAR 066
+ENCODING 66
+SWIDTH 648 0
+DWIDTH 9 0
+BBX 8 9 1 0
+BITMAP
+3C
+42
+99
+24
+42
+18
+24
+00
+18
+ENDCHAR
+STARTCHAR 067
+ENCODING 67
+SWIDTH 576 0
+DWIDTH 8 0
+BBX 8 8 0 0
+BITMAP
+18
+24
+24
+42
+42
+42
+42
+81
+ENDCHAR
+STARTCHAR 068
+ENCODING 68
+SWIDTH 648 0
+DWIDTH 9 0
+BBX 8 8 0 0
+BITMAP
+FF
+41
+20
+10
+10
+20
+41
+FF
+ENDCHAR
+STARTCHAR 069
+ENCODING 69
+SWIDTH 576 0
+DWIDTH 8 0
+BBX 7 8 0 0
+BITMAP
+FE
+D6
+FE
+38
+10
+38
+54
+92
+ENDCHAR
+STARTCHAR 070
+ENCODING 70
+SWIDTH 648 0
+DWIDTH 9 0
+BBX 8 9 1 0
+BITMAP
+BD
+42
+BD
+3C
+5A
+18
+24
+42
+99
+ENDCHAR
+STARTCHAR 071
+ENCODING 71
+SWIDTH 648 0
+DWIDTH 9 0
+BBX 8 8 0 0
+BITMAP
+24
+3C
+E7
+42
+42
+E7
+3C
+24
+ENDCHAR
+STARTCHAR 072
+ENCODING 72
+SWIDTH 576 0
+DWIDTH 8 0
+BBX 7 7 0 1
+BITMAP
+04
+06
+06
+0E
+1E
+FC
+78
+ENDCHAR
+STARTCHAR 073
+ENCODING 73
+SWIDTH 576 0
+DWIDTH 8 0
+BBX 7 9 0 0
+BITMAP
+44
+FE
+82
+92
+B2
+92
+92
+82
+FE
+ENDCHAR
+STARTCHAR 074
+ENCODING 74
+SWIDTH 504 0
+DWIDTH 7 0
+BBX 0 0 0 0
+BITMAP
+ENDCHAR
+STARTCHAR 075
+ENCODING 75
+SWIDTH 648 0
+DWIDTH 9 0
+BBX 0 0 0 0
+BITMAP
+ENDCHAR
+ENDFONT
--- a/tools/fonts/u8g2_font_ncenB08_symbols8_ahoy.c_
+++ b/tools/fonts/u8g2_font_ncenB08_symbols8_ahoy.c_
@ -0,0 +1,13 @@
+/*
+  Fontname: u8g2_font_ncenB08_symbols8_ahoy
+  Copyright: 
+  Glyphs: 11/11
+  BBX Build Mode: 0
+*/
+const uint8_t u8g2_font_ncenB08_symbols8_ahoy[173] U8G2_FONT_SECTION("u8g2_font_ncenB08_symbols8_ahoy") = 
+  "\13\0\3\2\4\4\2\2\5\11\11\0\0\10\0\10\0\0\0\0\0\0\224A\14\207\212q\220\242%\221"
+  "\326\270\15B\20\230\233\65da\22Ima\250F\71\254\1C\20\210\212\247Fa\224\205Q\30\205Q"
+  "\230\304\1D\16\210\232qP\322(Gr \256\16\7E\15\207\212\361\222\14\247\65\335\222\246\2F\25"
+  "\230\233\221\14I\61I\206$\32\262D\11\325(\13\223H\12G\17\210\232U\34\242K\30\205\311t\10"
+  "\243\10H\14w\216\33\253\342\66\34\242!\2I\21\227\212\223%\303\240J\221\42I\221\24\251\303 J"
+  "\5\0z\1K\5\0\232\1\0\0\0";
--- a/tools/fonts/u8g2_font_ncenB08_symbols8_ahoy.fon
+++ b/tools/fonts/u8g2_font_ncenB08_symbols8_ahoy.fon
--- a/tools/fonts/u8g2_font_ncenB10_symbols10_ahoy.bdf
+++ b/tools/fonts/u8g2_font_ncenB10_symbols10_ahoy.bdf
@ -0,0 +1,188 @@
+STARTFONT 2.1
+COMMENT Exported by Fony v1.4.7
+FONT u8g2_font_symbols10_ahoy
+SIZE 16 100 100
+FONTBOUNDINGBOX 12 15 0 -3
+STARTPROPERTIES 6
+COPYRIGHT ""
+RESOLUTION_X 100
+RESOLUTION_Y 100
+FONT_ASCENT 13
+FONT_DESCENT 3
+DEFAULT_CHAR 0
+ENDPROPERTIES
+CHARS 11
+STARTCHAR 065
+ENCODING 65
+SWIDTH 576 0
+DWIDTH 8 0
+BBX 7 11 0 0
+BITMAP
+FE
+92
+92
+54
+38
+10
+10
+10
+10
+10
+10
+ENDCHAR
+STARTCHAR 066
+ENCODING 66
+SWIDTH 648 0
+DWIDTH 9 0
+BBX 8 9 0 1
+BITMAP
+3C
+42
+99
+24
+42
+18
+24
+00
+18
+ENDCHAR
+STARTCHAR 067
+ENCODING 67
+SWIDTH 792 0
+DWIDTH 11 0
+BBX 10 11 0 0
+BITMAP
+0C00
+1200
+2100
+2100
+2100
+2180
+4080
+4080
+4080
+4080
+8040
+ENDCHAR
+STARTCHAR 068
+ENCODING 68
+SWIDTH 720 0
+DWIDTH 10 0
+BBX 9 11 0 0
+BITMAP
+FF80
+6080
+3000
+1800
+0C00
+0C00
+1800
+3000
+6000
+C080
+FF80
+ENDCHAR
+STARTCHAR 069
+ENCODING 69
+SWIDTH 576 0
+DWIDTH 8 0
+BBX 7 11 0 0
+BITMAP
+FE
+D6
+D6
+7C
+38
+10
+38
+38
+54
+54
+92
+ENDCHAR
+STARTCHAR 070
+ENCODING 70
+SWIDTH 648 0
+DWIDTH 9 0
+BBX 8 10 1 0
+BITMAP
+BD
+42
+BD
+24
+5A
+18
+24
+24
+5A
+81
+ENDCHAR
+STARTCHAR 071
+ENCODING 71
+SWIDTH 864 0
+DWIDTH 12 0
+BBX 11 11 0 0
+BITMAP
+1100
+1100
+0E00
+D160
+2080
+2080
+2080
+D160
+0E00
+1100
+1100
+ENDCHAR
+STARTCHAR 072
+ENCODING 72
+SWIDTH 792 0
+DWIDTH 11 0
+BBX 10 11 0 0
+BITMAP
+0080
+0080
+00C0
+00C0
+01C0
+01C0
+03C0
+0780
+1F80
+FF00
+3C00
+ENDCHAR
+STARTCHAR 073
+ENCODING 73
+SWIDTH 720 0
+DWIDTH 10 0
+BBX 9 11 0 0
+BITMAP
+DD80
+FF80
+8080
+8880
+9880
+8880
+8880
+8880
+8880
+8080
+FF80
+ENDCHAR
+STARTCHAR 074
+ENCODING 74
+SWIDTH 648 0
+DWIDTH 9 0
+BBX 0 0 0 0
+BITMAP
+ENDCHAR
+STARTCHAR 075
+ENCODING 75
+SWIDTH 648 0
+DWIDTH 9 0
+BBX 0 0 0 0
+BITMAP
+ENDCHAR
+ENDFONT
--- a/tools/fonts/u8g2_font_ncenB10_symbols10_ahoy.c_
+++ b/tools/fonts/u8g2_font_ncenB10_symbols10_ahoy.c_
@ -0,0 +1,14 @@
+/*
+  Fontname: u8g2_font_symbols10_ahoy
+  Copyright: 
+  Glyphs: 11/11
+  BBX Build Mode: 0
+*/
+const uint8_t u8g2_font_ncenB10_symbols10_ahoy[207] U8G2_FONT_SECTION("u8g2_font_ncenB10_symbols10_ahoy") = 
+  "\13\0\3\2\4\4\2\2\5\13\13\0\0\13\0\13\0\0\0\0\0\0\266A\15\267\212q\220\42\251\322"
+  "\266\306\275\1B\20\230\236\65da\22Ima\250F\71\254\1C\23\272\272\251\3Q\32\366Q\212\243"
+  "\70\212\243\70\311\221\0D\20\271\252\361\242F:\242#: {\36\16\1E\22\267\212\361\222\14I\242"
+  "\14\332\232\216[RJ\232\12F\25\250\233\221\14I\61I\206$\252%J\250Fa\224%J\71G\30"
+  "\273\312W\316r`T\262DJ\303\64L#%K\304\35\310\342,\3H\27\272\272\217\344P\16\351\210"
+  "\16\354\300<\244C\70,\303 \16!\0I\24\271\252\241\34\336\1-\223\64-\323\62-\323\62\35x"
+  "\10J\5\0\232\1K\5\0\232\1\0\0\0";
--- a/tools/fonts/u8g2_font_ncenB10_symbols10_ahoy.fon
+++ b/tools/fonts/u8g2_font_ncenB10_symbols10_ahoy.fon
--- a/tools/fonts/used_fonts.txt
+++ b/tools/fonts/used_fonts.txt
@ -0,0 +1,16 @@
+Display_Mono_64x48:
+	u8g2_font_fur11_tr
+	u8g2_font_6x10_tf
+	u8g2_font_4x6_tr
+
+Display_Mono_128x32:
+	u8g2_font_9x15_tr
+	u8g2_font_tom_thumb_4x6_tr
+
+Display_Mono_84x48:
+	u8g2_font_5x8_symbols_ahoy
+	u8g2_font_logisoso16_tr
+
+Display_Mono_128x64:
+	u8g2_font_ncenB08_symbols8_ahoy
+	u8g2_font_ncenB10_symbols10_ahoy