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ESP.restart() and CPU halted #424

@bestpika

Description

@bestpika

Below code caused CPU halted (WiFi.status() will show 255).

void setup() {
  esp_task_wdt_init();

  Serial.begin(115200);
  Serial.println();
  Serial.println();

  WiFi.mode(WIFI_STA);
  WiFi.begin();
  int wait = 0;
  while (!WiFi.isConnected() && wait++ < 5) {
    Serial.print(".");
    delay(1000);
  }
  if (!WiFi.isConnected()) {
    esp_wifi_wps_enable(WPS_TYPE_PBC);
    esp_wifi_wps_start(15000);
  }
  wait = 0;
  while (!WiFi.isConnected() && wait++ < 10) {
    Serial.print(".");
    delay(1000);
  }
  Serial.println();
  if (WiFi.isConnected()) {
    Serial.println(WiFi.localIP().toString() + " (" + WiFi.macAddress() + ") (" + WiFi.SSID() + ")");
  } else {
    Serial.println(WiFi.status());
    ESP.restart(); // here
  }
}

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