Removed timer.

Code/Temperatur_und_Abstandsmesung/Temperatur_und_Abstandsmessung.ino

@@ -0,0 +1,114 @@
+#include <OneWire.h>
+
+#define trig 3
+#define echo 4
+
+long distance = 0;
+long echotime;
+long timer = 0;
+int count = 0;
+
+
+//ISR for PCINT20
+ISR(PCINT2_vect) {
+  cli();
+  
+  distance = pulseIn(echo, HIGH);
+  PCICR &= ~0b00000100;
+  PCMSK2 &= ~0b00010000;
+  delayMicroseconds(10);
+
+}
+
+long calculateDistance(){
+  return (long) (((float) distance/ 58.0));
+}
+
+void measureDistance(){
+    Serial.println("Measuring");
+    
+    PORTD |= (1<<trig);
+    //digitalWrite(trig, HIGH);
+    // ... wait for 10 µs ...
+    
+    delayMicroseconds(10);
+    // ... put the trigger down ...
+    //digitalWrite(trig, LOW);
+
+    echotime = millis();
+    
+    PORTD &= ~(1<<trig);
+
+    sei(); 
+    PCICR |= 0b00000100;
+    PCMSK2 |= 0b00010000;
+    
+    
+}
+
+int16_t dallas(int x, byte start){
+  
+  OneWire ds(x);
+  byte i;
+  byte data[2];
+  int16_t result;
+
+  do{
+    ds.reset();
+    ds.write(0xCC); //skip Command
+    ds.write(0xBE); //Read 1st 2 bytes of Scratchpad
+    result = 0;
+    for(i = 0; i < 2; i++){
+      data[i] = ds.read();
+      result += data[i];
+    }
+
+    result = result/2;
+    ds.reset();
+    ds.write(0xCC);
+    ds.write(0x44, 1); //start conversion
+    if(start){
+      delay(1000);
+    }
+  } while(start--);
+  return result; 
+}
+
+void setup(){
+  Serial.begin(9600);
+  dallas(2, 1);
+  timer = millis();
+
+  // Initializing Trigger Output and Echo Input
+   pinMode(trig, OUTPUT);
+   pinMode(echo, INPUT);
+
+   // Reset the trigger pin and wait a half a second
+   digitalWrite(trig, LOW);
+   delayMicroseconds(500);
+
+   sei();  
+}
+
+void loop(){
+  
+  long run_time = micros();
+  if(millis() - timer >= 100){
+    measureDistance();
+    timer = millis();
+  } 
+  
+  Serial.print("Temperatur: ");
+  Serial.println(dallas(2, 0));
+  
+  Serial.print("Distanz: ");
+  Serial.print(calculateDistance());
+  Serial.println("cm");
+  
+  run_time = micros() - run_time;
+  Serial.print("Zeit für Durchlauf: ");
+  Serial.println(run_time);
+  Serial.println();
+  delay(1000);
+
+}