moved the variables in the ISR, thats the most normal use case of static.

Marlin/temperature.cpp

@@ -322,15 +322,18 @@ void tp_init()
   TIMSK0 |= (1<<OCIE0B);  
 }
 
+
+
+// Timer 0 is shared with millies
+ISR(TIMER0_COMPB_vect)
+{
+  //these variables are only accesible from the ISR, but static, so they don't loose their value
   static unsigned char temp_count = 0;
   static unsigned long raw_temp_0_value = 0;
   static unsigned long raw_temp_1_value = 0;
   static unsigned long raw_temp_2_value = 0;
   static unsigned char temp_state = 0;
   
-// Timer 0 is shared with millies
-ISR(TIMER0_COMPB_vect)
-{
   switch(temp_state) {
     case 0: // Prepare TEMP_0
             #if (TEMP_0_PIN > -1)