roughly working

src/main.cpp

@@ -67,16 +67,24 @@ bool started = false;
 
 bool allDone;
 
+#define STATE_READY 1
+#define STATE_RUNNING 2
+#define STATE_DONE 3
+
+short state = 0;
+
 void loop()
 {
-
   if (digitalRead(PIN_RESET) == LOW) {
-    lcd.clear();
-    lcd.setCursor(0,0);
-    lcd.print("Ready?");
-    started = false;
-    resetCarTimers();
-    digitalWrite(LED_BUILTIN, LOW);
+    if (state != STATE_READY) {
+      state = STATE_READY;
+      lcd.clear();
+      lcd.setCursor(0,0);
+      lcd.print("Ready?");
+      started = false;
+      resetCarTimers();
+      digitalWrite(LED_BUILTIN, LOW);
+    }
   } else {
     // if we just started, record current millis counter
     if (!started) {