Display also humidity and pressure

Display update triggered by value change, not interval

tube.ino

@@ -10,21 +10,42 @@ void initTube() {
   tube.setBlinkRate(BLINK_OFF);
 }
 
+void rotateTube() {
+  displaySensor = (displaySensor + 1) % SENSORS;
+  tubeRotated = true;
+}
+
 void updateTube() {
   char newText[5];
   bool highPoint = false, lowPoint = false;
+  uint value = countdown;
 
   if (countdown <= 0) {
-    sprintf(newText, "%4u", (unsigned int) (temperature * 100.0));
-    lowPoint = true;
-  } else {
-    sprintf(newText, "%4u", countdown);
+    switch (displaySensor) {
+      case TEMPERATURE:
+        value = (uint) (sensorValue[TEMPERATURE] * 100);
+        lowPoint = true;
+        break;
+      case HUMIDITY:
+        // TODO: add % sign?
+        value = (uint) (sensorValue[HUMIDITY]);
+        break;
+      case PRESSURE:
+        value = (uint) (sensorValue[PRESSURE] / 100);
+        break;
+    }
   }
+  sprintf(newText, "%4u", value);
 
+  // TODO: In the current mode of display refresh (displayNeedsUpdate) it should not be necessary to check previous text
+  // Maybe add LED switching for case when the strings match as a rough check before removing comparison?
+  // Or LED switching when display is updated?
   if (strcmp(tubeText, newText)) {
     strcpy(tubeText, newText);
     tube.displayString(tubeText);
     tube.setPoint(highPoint, lowPoint);
     tube.display();
   }
+
+  displayNeedsUpdate = false;
 }