lcd upload endpoint

.vscode/settings.json

@@ -15,6 +15,7 @@
         "*.d": "cpp",
         "*.html": "cpp",
         "*.tcc": "cpp",
-        "regex": "cpp"
+        "regex": "cpp",
+        "cstdlib": "cpp"
     }
 }

src/espmega_iot_core.cpp

@@ -423,6 +423,19 @@ void ota_begin()
           }
         }
       });
+  otaserver.on("/lcd_update",HTTP_POST,[]() {
+    otaserver.sendHeader("Connection","close");
+  },[](){
+    HTTPUpload &upload = otaserver.upload();
+    if(upload.status == UPLOAD_FILE_START) {
+      Serial.println(upload.totalSize);
+    } else if (upload.status == UPLOAD_FILE_WRITE) {
+      for(int i = 0; i<upload.currentSize;i++)
+        Serial.print(upload.buf[i],HEX);
+    } else if (upload.status == UPLOAD_FILE_END) {
+        Serial.println("Upload End");
+    }
+  });
   otaserver.begin();
 }
 #endif