create softAP if unable to connect to a station

src/main.cpp

@@ -1,16 +1,47 @@
 #include <Arduino.h>
+#include <ESP8266WiFi.h>
 #include "version.h"
 
 #ifndef SERIAL_BAUD
 #define SERIAL_BAUD 74880
 #endif
 
+char _unique_softap_ssid[] = "uWeather-XXXXXX";
+
+const char* unique_softap_ssid()
+{
+    char* ssid = _unique_softap_ssid;
+    if (_unique_softap_ssid[9] == 'X') { //if not filled with mac address, do it now
+        String mac = WiFi.softAPmacAddress();
+        for (int i = 0; i < 3; i++) {
+            ssid[9+(2*i)] = mac.c_str()[i*3];
+            ssid[9+(2*i)+1] = mac.c_str()[i*3+1];
+        }
+    }
+    return ssid;
+}
+
 void setup()
 {
     Serial.begin(SERIAL_BAUD);
     delay(100);
 
-    uweather_print_version_info(Serial);    
+    // Print out some system information to the serial port
+    uweather_print_version_info(Serial);
+
+
+    // Attempt to connect to WiFi
+    Serial.print( F("Attempting to connect to WiFi ..."));
+    WiFi.begin();
+    uint8_t connectResult = WiFi.waitForConnectResult();
+    if (connectResult != WL_CONNECTED) {
+        Serial.println( F("Unable to connect"));
+        const char* softApSSID = unique_softap_ssid();
+        WiFi.softAP(softApSSID);
+        Serial.printf_P( PSTR("Created Soft AP for setup: %s\r\n"), softApSSID);
+    } else {
+        Serial.println( F("Connected"));
+    }
 
     while (true) {
       Serial.print(" . ");