uclogic_params_get_str_desc
rc = uclogic_params_get_str_desc(&str_desc, hdev, 100, str_desc_len);
rc = uclogic_params_get_str_desc(&str_desc, hdev, 100, str_desc_len);
rc = uclogic_params_get_str_desc(&buf, hdev, 100, len);
rc = uclogic_params_get_str_desc(&buf, hdev, 200, params_len_max);