ESP32 Forum

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int HandleWriteFileFromServer()
{
  HTTPClient http;
  http.setTimeout(30000);
  http.begin("http://boisurel.com/wp-content/uploads/2023/04/Capteur-solaire-en-facade-2604x1800.jpg");
  int httpCode = http.GET();
    if (httpCode <= 0) {
    //Error HTTP failed
    printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
    http.end();
    WifiFirmwareUpdate = false;
    return 0;
  }
  int contentLen = http.getSize();
  int len = http.getSize();
  printf("Downloading: file should be %i\n", len);
 
  WiFiClient* client = http.getStreamPtr();
  client->setTimeout(2); // Définis timeout client
  Serial.print("Start");
 
//size_t written = Update.writeStream(*client);
const size_t bufferSize = 1024;  // Taille du tampon de lecture
uint8_t buffer[bufferSize];      // Tampon de lecture
size_t written = 0;
size_t bytesRead = 0;
size_t bytesWritten =0;
size_t size = 0;
unsigned long sortir = millis();
File fileToCreate = LittleFS.open("/Chart1.json", "w"); // Créer le nouveau fichier
while (written != contentLen && client->available()) {
  if(!http.connected()){Serial.println("Déconnceté");}
  size = client->available();
  Serial.print("Size : ");
  Serial.print(size);
  bytesRead = client->readBytes(buffer, min(bufferSize, size));
  Serial.print(".");
  bytesWritten = fileToCreate.write(buffer, bytesRead);
  Serial.print(". W : ");
  written += bytesWritten;
  Serial.println(written);
  if(millis() - sortir >= 30000)
  {
    Serial.println("Temps dépassé, échec du téléchargement");
    break;
  }
  if (bytesRead != bytesWritten) {
    // Erreur d'écriture
    Serial.print("Erreur d'écriture du firmware : ");
    Serial.print(bytesRead);
    Serial.print(" / ");
    Serial.print(bytesWritten);
    http.end();
    WifiFirmwareUpdate = false;
    return 0;
  }
  delay(1);
}
Serial.print("fichier créé");
fileToCreate.close();
http.end();
return 1;
}

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Size : 3503.. W : 610304
Size : 5351.. W : 611328
Size : 5763.. W : 612352
Size : 4739.. W : 613376
Size : 3715.. W : 614400
Size : 5563.. W : 615424
Size : 4539
E (115742) task_wdt: Task watchdog got triggered. The following tasks did not reset the watchdog in time:
E (115742) task_wdt:  - async_tcp (CPU 0/1)
E (115742) task_wdt: Tasks currently running:
E (115742) task_wdt: CPU 0: IDLE
E (115742) task_wdt: CPU 1: IDLE

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client->write(";",1);

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client->readBytes(..)