Add wifi auto-reconnect

[manu/arduino-maison.git] / cave / cave.ino

diff --git a/cave/cave.ino b/cave/cave.ino
index bc18162..996154e 100644 (file)
--- a/cave/cave.ino
+++ b/cave/cave.ino
@@ -1,7 +1,9 @@
 #include <WiFi.h>
 #include <WiFiUdp.h>
 #include <HCSR04.h>
-#include <SimpleDHT.h>
+#include <Adafruit_Sensor.h>
+#include <DHT.h>
+#include <DHT_U.h>
 
 #include "cave-config.h"
 
@@ -22,8 +24,9 @@ WiFiUDP Udp;
 UltraSonicDistanceSensor distanceSensor(14, 12);
 
 // Temp
-int pinDHT22 = 27;
-SimpleDHT22 dht22(pinDHT22);
+#define DHTPIN 27
+#define DHTTYPE DHT22
+DHT_Unified dht(DHTPIN, DHTTYPE);
 
 void setup() {
 
@@ -48,22 +51,59 @@ void setup() {
   Serial.println("IP address: ");
   Serial.println(WiFi.localIP());
   #endif
+
+  dht.begin();
+  sensor_t sensor;
+  dht.temperature().getSensor(&sensor);
+  dht.humidity().getSensor(&sensor);
+
 }
 
 void loop() {
-  float temperature = 0;
-  float humidity = 0;
-  int err = SimpleDHTErrSuccess;
-  if ((err = dht22.read2(&temperature, &humidity, NULL)) == SimpleDHTErrSuccess) {
-    sendToInfluxDB("temperature,city="+city+",location="+location, "value", String(temperature));
-    sendToInfluxDB("humidity,city="+city+",location="+location, "value", String(humidity));
+  delay(POLL_INT);
+
+  // Check wifi connexion
+  if ( WiFi.status() != WL_CONNECTED ) {
+      int retry = 0;
+      WiFi.mode(WIFI_STA);
+      WiFi.begin(WIFI_SSID, WIFI_PASS);
+      while (retry < 10 || WiFi.status() != WL_CONNECTED) {
+          retry++;
+          delay(500);
+      }
+  }
+
+  if ( WiFi.status() != WL_CONNECTED ) {
+      sensors_event_t event;
+      
+      dht.temperature().getEvent(&event);
+      if (isnan(event.temperature)) {
+          #if defined(DEBUG)
+          Serial.println("DHT 22 temperature error");
+          #endif
+      } else {
+          #if defined(DEBUG)
+          Serial.println("Temperature: "+String(event.temperature));
+          #endif
+          sendToInfluxDB("temperature,city="+city+",location="+location, "value", String(event.temperature));
+          double water_dist = distanceSensor.measureDistanceCm(event.temperature);
+          #if defined(DEBUG)
+          Serial.println("Distance: "+String(water_dist));
+          #endif
+          sendToInfluxDB("water_well,city="+city+",location="+location, "distance", String(water_dist));
+      }
+      dht.humidity().getEvent(&event);
+      if (isnan(event.relative_humidity)) {
+          #if defined(DEBUG)
+          Serial.println("DHT 22 humidity error");
+          #endif
+      } else {
+          #if defined(DEBUG)
+          Serial.println("Humidity: "+String(event.relative_humidity));
+          #endif
+          sendToInfluxDB("humidity,city="+city+",location="+location, "value", String(event.relative_humidity));
+      }
   }
-  double water_dist = distanceSensor.measureDistanceCm(temperature);
-  #if defined(DEBUG)
-  Serial.println("Distance: "+String(water_dist));
-  #endif
-  sendToInfluxDB("water_well,city="+city+",location="+location, "distance", String(water_dist));
-  delay(POLL_INT); 
 }
 
 void sendToInfluxDB(String measure, String key, String value) {