Unterschiede

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--- veranstaltungen:hessen20162:arduino-workshop-notizen [04.10.2016 10:51] – [Arduino Sketch (Programm):] ipsecguy
+++ veranstaltungen:hessen20162:arduino-workshop-notizen [04.10.2016 11:01] (aktuell) – [Arduino Sketch (Programm):] ipsecguy
@@ Zeile 49: / Zeile 49: @@
 <file text arduino-freifunk.ino>
+#include <OneWire.h>
 OneWire  ds(10);  // on pin 10 (a 4.7K resistor is necessary)
+#include "DHT.h"
+#define DHTPIN 2     // what digital pin we're connected to
+#define DHTTYPE DHT11   // DHT 11
+//#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
+//#define DHTTYPE DHT21   // DHT 21 (AM2301)
+DHT dht(DHTPIN, DHTTYPE);
+bool running = false;
+void setup(void) {
+  pinMode(13, OUTPUT);
+  digitalWrite(13, HIGH);
+  Serial.begin(9600);
+  Serial.setTimeout(1000);
+  dht.begin();
+  digitalWrite(13, LOW);
+}
+void loop(void) {
+  byte i;
+  byte present = 0;
+  byte type_s;
+  byte data[12];
+  byte addr[8];
+  float celsius, fahrenheit;
+  float h,t;
+  if( !running ){
+    digitalWrite(13, LOW);
+    Serial.flush(); //flush all previous received and transmitted data
+    while(!Serial.available()){
+      delay(500);
+    }
+    digitalWrite(13, HIGH);
+    Serial.readString();
+    Serial.flush(); //flush all previous received and transmitted data
+    running = true; // start execution
+  }
+if ( !ds.search(addr)) {
+    ds.reset_search();
+    //DHT11 Code
+    h = dht.readHumidity();
+    t = dht.readTemperature();
+    if (!isnan(h) && !isnan(t)) {
+      Serial.print("DHT ");
+      Serial.print(t);
+      Serial.print(" ");
+      Serial.println(h);
+    }
+    Serial.println("EOF");
+    running = false; // done with this cycle, wait again
+    return;
+  }
+  if (OneWire::crc8(addr, 7) != addr[7]) {
+      Serial.println("CRC is not valid!");
+      return;
+  }
+  // the first ROM byte indicates which chip
+  switch (addr[0]) {
+    case 0x10:
+//      Serial.println("  Chip = DS18S20");  // or old DS1820
+      type_s = 1;
+      break;
+    case 0x28:
+//      Serial.println("  Chip = DS18B20");
+      type_s = 0;
+      break;
+    case 0x22:
+//      Serial.println("  Chip = DS1822");
+      type_s = 0;
+      break;
+    default:
+//      Serial.println("Device is not a DS18x20 family device.");
+      return;
+  }
+  ds.reset();
+  ds.select(addr);
+  ds.write(0x44, 1); // start conversion, without parasite power
+ Serial.println(celsius);
+}
 </file>