text: // Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  #pragma once
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #include "esp_modem_dce_service.h"
  #include "esp_modem.h"
  
  /**
   * @brief Create and initialize SIM800 object
   *
   * @param dte Modem DTE object
   * @return modem_dce_t* Modem DCE object
   */
  modem_dce_t *sim800_init(modem_dte_t *dte);
  
  #ifdef __cplusplus
  }
  #endif
  