Test socket connect W5500

w5500_socket_test.c

static void socket_test(void) {
  int8_t ret = socket(MQTT_SOCKET, Sn_MR_TCP, 3, 0);
  if (ret != MQTT_SOCKET) {
    LOG_E("Fail to create socket: %d\n", ret);
    return;
  }
  LOG_I("Socket has been created\n");

  uint16_t port = 1883;
  uint8_t mqtt_server_ip[4] = {192, 168, 0, 156};

  ret = connect(MQTT_SOCKET, mqtt_server_ip, port);
  if (ret != SOCK_OK) {
    LOG_E("Fail to connect socket: %d\n", ret);
    return;
  }
  LOG_I("Socket has been connected\n");

  ret = close(MQTT_SOCKET);
  if (ret != SOCK_OK) {
    LOG_E("Fail to close socket\n");
    return;
  }

  LOG_I("Socket has been closed\n");
}