FIX: NewYear realtimeOK check + days uint8_t overflow

src/mode/NewYear/NewYear.h

@@ -12,7 +12,7 @@ private:
 
     Firework fireworks[MAX_FIREWORKS];
 
-    uint8_t days = 0;
+    uint16_t days = 0;
 
     uint8_t level = 0;
 
@@ -37,6 +37,7 @@ protected:
         setMode(NO_TIME);
       } else if (now.tm_mon != 1 || now.tm_mday != 1 || now.tm_hour != 0) {
         days = getDayCountForYear(now.tm_year) - now.tm_yday - 1;
+        setMode(COUNTDOWN);
         if (days == 0) {
           loopLastDay();
         } else {
@@ -51,7 +52,6 @@ protected:
     }
 
     void loopLastDay() {
-      setMode(LAST_DAY);
       int levelTmp = (int) round(32 * realtimeMilliseconds / 1000.0);;
       if (level != levelTmp) {
         level = levelTmp;
@@ -60,7 +60,6 @@ protected:
     }
 
     void loopMultipleDays() {
-      setMode(MULTIPLE_DAYS);
       if (realtimeChanged) {
         markDirty();
       }
@@ -72,7 +71,7 @@ protected:
 
     void draw(Display &display) override {
       display.clear();
-      if (realtimeOK) {
+      if (!realtimeOK) {
         drawNoTime(display);
       } else if (now.tm_mon == 1 && now.tm_mday == 1 && now.tm_hour == 0) {
         drawYear(display, now.tm_year + 1900);
@@ -86,8 +85,7 @@ private:
 
     enum State {
         NO_TIME,
-        MULTIPLE_DAYS,
+        COUNTDOWN,
-        LAST_DAY,
         FIREWORK,
     };
 
@@ -96,17 +94,12 @@ private:
     void setMode(State state) {
       if (_state != state) {
         _state = state;
-        markDirty();
+        if (state == FIREWORK) {
-        timer(0, 0);
-        switch (state) {
-          case LAST_DAY:
-            break;
-          case FIREWORK:
           timer(0, 500);
-            break;
+        } else {
-          default:
+          timer(0, 0);
-            break;
         }
+        markDirty();
       }
     }
 
@@ -158,14 +151,14 @@ private:
     }
 
     static void drawDay(Display &display, int days, uint8_t *x) {
-      if (days > 100) {
+      if (days >= 100) {
         *x += display.print(*x, 1, days / 100, WHITE);
       } else {
         *x += 3;
       }
       (*x)++;
 
-      if (days > 10) {
+      if (days >= 10) {
         *x += display.print(*x, 1, days / 10 % 10, WHITE);
       } else {
         *x += 3;