initial lcd ota code

src/espmega_iot_ledota.cpp

@@ -0,0 +1,52 @@
+#include <espmega_iot_ledota.hpp>
+
+ESPMega_LCDOTA::register_ota()
+{
+    otaserver.on(
+        update_endpoint, HTTP_POST, []()
+        {
+    otaserver.sendHeader("Connection", "close");
+    otaserver.send(200, "text/plain", (Update.hasError()) ? "FAIL" : "OK");
+    ESP.restart(); },
+        this->update_action);
+}
+
+ESPMega_LCDOTA::update_action(AsyncWebServerRequest *request, String filename, size_t index, uint8_t *data, size_t len, bool final)
+{
+    HTTPUpload &upload = otaserver.upload();
+    if (upload.status == UPLOAD_FILE_START)
+    {
+        send_stop_bit();
+        update_init();
+    }
+    else if (upload.status == UPLOAD_FILE_WRITE)
+    {
+        if (Update.write(upload.buf, upload.currentSize) != upload.currentSize)
+        {
+            panel.writeStr("otatxt.txt", "Update Failed, Rebooting . . .");
+            Update.printError(Serial);
+        }
+        if (upload.currentSize != 0 && upload.totalSize != 0)
+        {
+            lcd_send_stop_bit();
+            uint32_t totalsize_kb = upload.totalSize / 1000;
+            uint32_t upload_pct = 100 * upload.totalSize / 1000000;
+            String otafiletxt = "Downloading File : " + upload.filename + " (" + String(totalsize_kb) + "KB)";
+            panel.writeNum("prog.val", upload_pct);
+            panel.writeStr("otatxt.txt", otafiletxt);
+        }
+    }
+    else if (upload.status == UPLOAD_FILE_END)
+    {
+        if (Update.end(true))
+        {
+            panel.writeStr("otatxt.txt", "Update Completed, Rebooting . . .");
+            Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
+        }
+        else
+        {
+            panel.writeStr("otatxt.txt", "Update Failed, Rebooting . . .");
+            Update.printError(Serial);
+        }
+    }
+}

src/espmega_iot_ledota.hpp

@@ -0,0 +1,17 @@
+#pragma once
+#include <WebServer.h>
+#include <ESPMegaPRO.h>
+class ESPMega_LCDOTA {
+    public:
+        ESPMega_LCDOTA();
+        void update_init();
+        void write_data();
+        void update_end();
+    private:
+        char update_endpoint[20];
+        void register_ota();
+        void send_stop_bit();
+        void update_action();
+        HardwareSerial lcdserial;
+        WebServer otaserver;
+}