more debug output for wifi scan

RX_FSK/RX_FSK.ino

@@ -434,7 +434,11 @@ void SetupAsyncServer() {
 
 int fetchWifiIndex(const char *id) {
   for (int i = 0; i < nNetworks; i++) {
-    if (strcmp(id, networks[i].id.c_str()) == 0) return i;
+    if (strcmp(id, networks[i].id.c_str()) == 0) {
+      Serial.printf("Match for %s at %d\n", id, i);
+      return i;
+    }
+    Serial.printf("No match: '%s' vs '%s'\n", id, networks[i].id.c_str());
   }
   return -1;
 }
@@ -1049,7 +1053,8 @@ void loopWifiScan() {
     int curidx = fetchWifiIndex(id);
     if (curidx >= 0 && index == -1) {
       index = curidx;
-    }
+      Serial.printf("Match found at scan entry %d, config network %d\n", i, index);
+    } 
   }
   if (index >= 0) { // some network was found
     Serial.print("Connecting to: "); Serial.println(fetchWifiSSID(index));