add wifi error handling

src/main.cpp

@@ -71,8 +71,16 @@ void ICACHE_FLASH_ATTR sendValues() {
   WiFi.forceSleepWake();
   WiFi.begin(ssid, password);
   Serial.print("Connecting to wifi");
+  int tries = 0;
   while (WiFi.status() != WL_CONNECTED) {
+    tries++;
     Serial.print(".");
+    if (tries > 20) {
+      Serial.println(" [ERROR]");
+      Serial.println("Retrying in 1 minute..");
+      delay(postingInterval);
+      ESP.restart();
+    }
     delay(500);
   }
   Serial.println(" [CONNECTED]");
@@ -199,7 +207,7 @@ void setup() {
   sds.mode_mon_300();
 
   Wire.begin(BMP_SDA, BMP_SCL);
-  if (!bmp.begin()) {
+  if (!bmp.begin(BMP085_MODE_STANDARD)) {
     Serial.println("No valid BMP085 sensor!");
   }