Working file serving from wemos.

app/app.ino

@@ -3,9 +3,26 @@
 //#include <ESP8266HTTPClient.h>
 #include <ESP8266WebServer.h>
 #include <FS.h>
+#include <stdio.h>
 
 ESP8266WebServer server(80);
 
+bool loadConfig(String fileName) {
+  File dataFile = SPIFFS.open(fileName, "r");
+  char * pch;
+  while (dataFile.available()) {
+    // Lets read line by line from the file
+    String line = dataFile.readStringUntil('\n');
+    //char line[] = dataFile.readStringUntil('\n');
+    pch = strtok(line,"=");
+    Serial.println(line);
+    Serial.println(pch);
+    //pch = strtok(NULL," ");
+  }
+
+  return true;
+}
+
 bool handleFile(String fileName, String dataType) {
   Serial.println(fileName);
 
@@ -33,16 +50,23 @@ bool handlePayload() {
   for (int i = 0; i < server.args(); i++) {
 
     if(server.argName(i) == "device-id") {
+        dataFile.print(server.argName(i));
+        dataFile.print("=");
         dataFile.println(server.arg(i));
     }
     if(server.argName(i) == "wifi-ssid") {
+        dataFile.print(server.argName(i));
+        dataFile.print("=");
         dataFile.println(server.arg(i));
     }
     if(server.argName(i) == "wifi-password") {
+        dataFile.print(server.argName(i));
+        dataFile.print("=");
         dataFile.println(server.arg(i));
     }
   }
   dataFile.close();
+  loadConfig("/config.txt");
   server.send(200, "text/plain", "success");
   return true;
 }
@@ -97,7 +121,7 @@ void setup_mode() {
   server.onNotFound(handleNotFound);
   server.begin();
   Serial.println("Server started");
-
+  loadConfig("/config.txt");
 }
 
 void connect() {