From 6fbc1d350f7c9837315dc66da3aaf389413ee020 Mon Sep 17 00:00:00 2001
From: structix <amateurdoedel@gmail.com>
Date: Sat, 16 Sep 2017 18:14:42 +0200
Subject: [PATCH] Added deepsleep

---
 ESP8266/sensornode/sensornode.ino | 49 ++++++++++++-------------------
 1 file changed, 18 insertions(+), 31 deletions(-)

diff --git a/ESP8266/sensornode/sensornode.ino b/ESP8266/sensornode/sensornode.ino
index 0ed48d3..2c042ac 100644
--- a/ESP8266/sensornode/sensornode.ino
+++ b/ESP8266/sensornode/sensornode.ino
@@ -60,42 +60,29 @@ void setup() {
 }
 
 void loop() {
-  // Wait a few seconds between measurements.
-  millicounter = millis();
+  // Reading temperature or humidity takes about 250 milliseconds!
+  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
+  h = dht.readHumidity();
+  // Read temperature as Celsius (the default)
+  t = dht.readTemperature();
   
-  if (millicounter >= millitotal) {
-    // Reading temperature or humidity takes about 250 milliseconds!
-    // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
-    h = dht.readHumidity();
-    // Read temperature as Celsius (the default)
-    t = dht.readTemperature();
-    
-    // Check if any reads failed and exit early (to try again).
-    if (isnan(h) || isnan(t)) {
-      Serial.println("Failed to read from DHT sensor!");
-      return;
-    } else {
-      // Initialize the client library
-      HTTPClient client;
+  // Check if any reads failed and exit early (to try again).
+  if (isnan(h) || isnan(t)) {
+    Serial.println("Failed to read from DHT sensor!");
+    return;
+  } else {
+    // Initialize the client library
+    HTTPClient client;
 
-      // Make a HTTP request:
-      String url = "http://raspitemp:1337/abshum/" + String(t) + "/" + String(h);
-      client.begin(url);
-      client.GET();
-      client.end();
-    }
-
-    //set new milli counter
-    //millis will overflow after approx. 52 days. To prevent errors we're checking the limits
-    if (millis() + (MEASURESECONDS * 1000) <= ULONG_MAX) {
-      millitotal = millis() + (MEASURESECONDS * 1000);
-    } else {
-      millitotal = 0;
-    }
+    // Make a HTTP request:
+    String url = "http://raspitemp:1337/abshum/" + String(t) + "/" + String(h);
+    client.begin(url);
+    client.GET();
+    client.end();
   }
 
   
-  //ESP.deepSleep(MEASURESECONDS * 1000);
+  ESP.deepSleep(MEASURESECONDS * 1000000);
   //Let the esp chill a bit
   delay(100);
 }