0.37

- add self updating function. You can start an update from onscreen menu

src/updater.h

@@ -0,0 +1,124 @@
+#include <WiFi.h>
+#include <HTTPClient.h>
+#include <HTTPUpdate.h>
+#include <WiFiClientSecure.h>
+#include "cert.h"
+#include "DisplayManager.h"
+
+#define URL_fw_Version "https://raw.githubusercontent.com/Blueforcer/awtrix-light/main/version"
+#define URL_fw_Bin "https://raw.githubusercontent.com/Blueforcer/awtrix-light/main/docs/flasher/firmware/firmware.bin"
+
+void update_started()
+{
+  
+}
+
+void update_finished()
+{
+    Serial.println("CALLBACK:  HTTP update process finished");
+}
+
+void update_progress(int cur, int total)
+{
+    DisplayManager.drawProgressBar(cur, total);
+}
+
+void update_error(int err)
+{
+    DisplayManager.clear();
+    DisplayManager.printText(0, 6, "FAIL", true, true);
+    DisplayManager.show();
+}
+
+void firmwareUpdate(void)
+{
+    WiFiClientSecure client;
+    client.setCACert(rootCACertificate);
+
+    httpUpdate.onStart(update_started);
+    httpUpdate.onEnd(update_finished);
+    httpUpdate.onProgress(update_progress);
+    httpUpdate.onError(update_error);
+
+    t_httpUpdate_return ret = httpUpdate.update(client, URL_fw_Bin);
+    switch (ret)
+    {
+    case HTTP_UPDATE_FAILED:
+        Serial.printf("HTTP_UPDATE_FAILD Error (%d): %s\n", httpUpdate.getLastError(), httpUpdate.getLastErrorString().c_str());
+        break;
+
+    case HTTP_UPDATE_NO_UPDATES:
+        Serial.println("HTTP_UPDATE_NO_UPDATES");
+        break;
+
+    case HTTP_UPDATE_OK:
+        Serial.println("HTTP_UPDATE_OK");
+        break;
+    }
+}
+int FirmwareVersionCheck(void)
+{
+
+    DisplayManager.clear();
+    DisplayManager.printText(0, 6, "CHECK", true, true);
+    DisplayManager.show();
+    String payload;
+    int httpCode;
+    String fwurl = "";
+    fwurl += URL_fw_Version;
+    fwurl += "?";
+    fwurl += String(rand());
+    Serial.println(fwurl);
+    WiFiClientSecure *client = new WiFiClientSecure;
+
+    if (client)
+    {
+        client->setCACert(rootCACertificate);
+
+        // Add a scoping block for HTTPClient https to make sure it is destroyed before WiFiClientSecure *client is
+        HTTPClient https;
+
+        if (https.begin(*client, fwurl))
+        { // HTTPS
+            Serial.print("[HTTPS] GET...\n");
+            // start connection and send HTTP header
+            delay(100);
+            httpCode = https.GET();
+            delay(100);
+            if (httpCode == HTTP_CODE_OK) // if version received
+            {
+                payload = https.getString(); // save received version
+            }
+            else
+            {
+                Serial.print("error in downloading version file:");
+                Serial.println(httpCode);
+            }
+            https.end();
+        }
+        delete client;
+    }
+
+    if (httpCode == HTTP_CODE_OK) // if version received
+    {
+        payload.trim();
+        if (payload.equals(VERSION))
+        {
+            Serial.printf("\nDevice already on latest firmware version:%s\n", VERSION);
+            DisplayManager.clear();
+            DisplayManager.printText(0, 6, "NO UP :(", true, true);
+            DisplayManager.show();
+            delay(1000);
+            return 0;
+        }
+        else
+        {
+            Serial.println(payload);
+            Serial.println("New firmware detected");
+            DisplayManager.printText(0, 6, payload.c_str(), true, true);
+            firmwareUpdate();
+            return 1;
+        }
+    }
+    return 0;
+}