From 71eaa48cc3d2a8862cfd7fd2ebab76b3083c481f Mon Sep 17 00:00:00 2001
From: Hendrik Langer <hendrik+dev@xd0.de>
Date: Wed, 7 Mar 2018 14:23:51 +0100
Subject: [PATCH] WiFiMulti

---
 src/main.cpp | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 9ffe7d4..0121a17 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -6,6 +6,7 @@
 
 #include <Arduino.h>
 #include <ESP8266WiFi.h>
+#include <ESP8266WiFiMulti.h>
 
 #include <ESP8266HTTPClient.h>
 #include <ArduinoJson.h>
@@ -19,8 +20,8 @@
 #include <SDS011.h>
 
 const char* server = "ingress.opensensemap.org";
-const char* ssid = "Freifunk";
-const char* password = "";
+//const char* ssid = "Freifunk";
+//const char* password = "";
 
 constexpr unsigned int postingInterval = 60000; //Uploadintervall in Millisekunden
 
@@ -61,6 +62,8 @@ static constexpr unsigned long logging_period_ms = 60000;
 
 ADC_MODE(ADC_VCC);
 
+ESP8266WiFiMulti wifiMulti;
+
 Adafruit_BMP085_Unified bmp = Adafruit_BMP085_Unified(10085);
 DHT dht(DHT22_PIN, DHTTYPE);
 SDS011 sds;
@@ -69,10 +72,12 @@ unsigned long geiger_previousMillis;
 
 void ICACHE_FLASH_ATTR sendValues() {
   WiFi.forceSleepWake();
-  WiFi.begin(ssid, password);
-  Serial.print("Connecting to wifi");
+  WiFi.mode(WIFI_STA);
+  wifiMulti.addAP("nether.net", "password1");
+  wifiMulti.addAP("LNet", "password2");
+  wifiMulti.addAP("Freifunk", "");
   int tries = 0;
-  while (WiFi.status() != WL_CONNECTED) {
+  while (wifiMulti.run() != WL_CONNECTED) {
     tries++;
     Serial.print(".");
     if (tries > 20) {