add french language for display

src/plugins/Display/Display_Mono_128X64.h

@@ -108,7 +108,7 @@ class DisplayMono128X64 : public DisplayMono {
                     int8_t moon_pos = -1;
                     setLineFont(l_Status);
                     if (0 == mDisplayData->nrSleeping + mDisplayData->nrProducing)
-                        snprintf(mFmtText, DISP_FMT_TEXT_LEN, "no inverter");
+                        snprintf(mFmtText, DISP_FMT_TEXT_LEN, STR_NO_INVERTER);
                     else if (0 == mDisplayData->nrSleeping) {
                         snprintf(mFmtText, DISP_FMT_TEXT_LEN, "  ");
                         sun_pos = 0;

src/plugins/Display/Display_Mono_84X48.h

@@ -90,7 +90,7 @@ class DisplayMono84X48 : public DisplayMono {
                 // print status of inverters
                 else {
                     if (0 == mDisplayData->nrSleeping + mDisplayData->nrProducing)
-                        snprintf(mFmtText, DISP_FMT_TEXT_LEN, "no inverter");
+                        snprintf(mFmtText, DISP_FMT_TEXT_LEN, STR_NO_INVERTER);
                     else if (0 == mDisplayData->nrSleeping)
                         snprintf(mFmtText, DISP_FMT_TEXT_LEN, "\x86");      // sun symbol
                     else if (0 == mDisplayData->nrProducing)

src/plugins/plugin_lang.h

@@ -5,14 +5,22 @@
 
 #ifndef __PLUGIN_LANG_H__
 #define __PLUGIN_LANG_H__
+
 #ifdef LANG_DE
     #define STR_MONTHNAME_3_CHAR_LIST "ErrJanFebMrzAprMaiJunJulAugSepOktNovDez"
     #define STR_DAYNAME_3_CHAR_LIST   "ErrSonMonDieMitDonFreSam"
-    #define STR_OFFLINE   "-- AUS --"
+    #define STR_OFFLINE   "aus"
+    #define STR_NO_INVERTER "kein inverter"
+#elif LANG_FR
+    #define STR_MONTHNAME_3_CHAR_LIST "ErrJanFevMarAvrMaiJunJulAouSepOctNovDec"
+    #define STR_DAYNAME_3_CHAR_LIST   "ErrDimLunMarMerJeuVenSam"
+    #define STR_OFFLINE   "eteint"
+    #define STR_NO_INVERTER "pas d'onduleur"
 #else
     #define STR_MONTHNAME_3_CHAR_LIST "ErrJanFebMarAprMayJunJulAugSepOctNovDec"
     #define STR_DAYNAME_3_CHAR_LIST   "ErrSunMonTueWedThuFriSat"
     #define STR_OFFLINE   "offline"
+    #define STR_NO_INVERTER "no inverter"
 #endif
 
 #endif /*__PLUGIN_LANG_H__*/