text: /******************************************************************************
   * MIT License
  
   * Copyright (c) 2019 Geekstyle
  
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
  
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
  
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
  ******************************************************************************/
  #ifndef _LL_UART_UTILS_H_
  #define _LL_UART_UTILS_H_
  
  /*
  usage:
      Uart uart("ttyS1");
      uart.SetOpt(115200, 8, 'N' 1);
  */
  
  class Uart {
   public:
    explicit Uart(const char* dev);
    ~Uart();
  
    int SetOpt(int speed, int bits, char event, int stop);
    int Write(char* buf, int size);
    int Read(char* buf, int size);
    int GetFd();
  
   private:
    int fd;
  };
  
  #endif
  