add todo for reading button

zisterne.ino

@@ -213,7 +213,9 @@ void Measurement() {
 */
 
 void setup() {
-   printDebugMsg("")
+   // Display initialisieren
+   lcdDisplay.init();
+   initDisplay();
 
    // Richtung Motor A
    pinMode(DA, OUTPUT);
@@ -243,11 +245,7 @@ void setup() {
       while(1);
    }
 
-   // Display initialisieren
-   lcdDisplay.init();
-
-   initDisplay();
-   printDebugMsg("Info: ", "Geladen");
+   printDebugMsg("Info: ", "System OK");
    delay(1000);
    disableDisplay();
 }
@@ -256,6 +254,8 @@ void loop() {
    handleSerialInput();
    setAtmosphericPressure();
    
+   // TODO: read button and start measurement
+
    // ensure valve is open and pump turned off
    digitalWrite(VENTIL, AUF);
    digitalWrite(PUMPE, AUS);