first commit

2025-03-06 11:15:32 +01:00
commit 7b30d6e298
5276 changed files with 2108927 additions and 0 deletions
--- a/libraries/Blynk/examples/Blynk.Edgent/Edgent_ESP32/OTA.h
+++ b/libraries/Blynk/examples/Blynk.Edgent/Edgent_ESP32/OTA.h
@@ -0,0 +1,91 @@
+
+#include <WiFi.h>
+#include <Update.h>
+#include <HTTPClient.h>
+
+String overTheAirURL;
+
+extern BlynkTimer edgentTimer;
+
+BLYNK_WRITE(InternalPinOTA) {
+  overTheAirURL = param.asString();
+
+  edgentTimer.setTimeout(2000L, [](){
+    // Start OTA
+    Blynk.logEvent("sys_ota", "OTA started");
+
+    // Disconnect, not to interfere with OTA process
+    Blynk.disconnect();
+
+    BlynkState::set(MODE_OTA_UPGRADE);
+  });
+}
+
+void enterOTA() {
+  BlynkState::set(MODE_OTA_UPGRADE);
+
+  DEBUG_PRINT(String("Firmware update URL: ") + overTheAirURL);
+
+  HTTPClient http;
+  http.begin(overTheAirURL);
+
+  const char* headerkeys[] = { "x-MD5" };
+  http.collectHeaders(headerkeys, sizeof(headerkeys)/sizeof(char*));
+
+  int httpCode = http.GET();
+  if (httpCode != HTTP_CODE_OK) {
+    DEBUG_PRINT("HTTP response should be 200");
+    BlynkState::set(MODE_ERROR);
+    return;
+  }
+  int contentLength = http.getSize();
+  if (contentLength <= 0) {
+    DEBUG_PRINT("Content-Length not defined");
+    BlynkState::set(MODE_ERROR);
+    return;
+  }
+
+  bool canBegin = Update.begin(contentLength);
+  if (!canBegin) {
+    DEBUG_PRINT("Not enough space to begin OTA");
+    BlynkState::set(MODE_ERROR);
+    return;
+  }
+
+  if (http.hasHeader("x-MD5")) {
+    String md5 = http.header("x-MD5");
+    if (md5.length() == 32) {
+      md5.toLowerCase();
+      DEBUG_PRINT("Expected MD5: " + md5);
+      Update.setMD5(md5.c_str());
+    }
+  }
+
+#ifdef BLYNK_FS
+  BLYNK_FS.end();
+#endif
+
+  Client& client = http.getStream();
+  int written = Update.writeStream(client);
+  if (written != contentLength) {
+    DEBUG_PRINT(String("OTA written ") + written + " / " + contentLength + " bytes");
+    BlynkState::set(MODE_ERROR);
+    return;
+  }
+
+  if (!Update.end()) {
+    DEBUG_PRINT("Error #" + String(Update.getError()));
+    BlynkState::set(MODE_ERROR);
+    return;
+  }
+
+  if (!Update.isFinished()) {
+    DEBUG_PRINT("Update failed.");
+    BlynkState::set(MODE_ERROR);
+    return;
+  }
+
+  DEBUG_PRINT("=== Update successfully completed. Rebooting.");
+  restartMCU();
+}
+