add config switch

snippets/form_table_config_approach.txt

@@ -34,3 +34,24 @@
         buffer << std::uppercase << std::setfill('0') << std::setw(2) << std::hex << (int)myConfig.appKey[i];
     }
     buffer << "\">";
+
+
+
+
+
+static void handleConfigSave() {
+    char *arg1 = (char*)server.arg("AppEui").c_str();
+    Serial.printf("AppEui: %s\n\r", arg1);
+    parseField(arg1, 1, 8, myConfig.appEui);
+
+    if (!configParsingFailed) {
+        char *arg2 = (char*)server.arg("AppKey").c_str();
+        Serial.printf("AppKey: %s\n\r", arg2);
+        parseField(arg2, 2, 16, myConfig.appKey);
+    }
+
+    configSaved = !configParsingFailed;
+    server.sendHeader("Location", String("/"), true);
+    server.send(302, "text/plain", "");
+}
+