src/lib/platform/serialport.h

   1 #pragma once
   2
   3 /*
   4  * boblight
   5  * Copyright (C) Bob  2009
   6  *
   7  * boblight is free software: you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * boblight is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  15  * See the GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "os-dependent.h"
  22 #include "baudrate.h"
  23 #include <string>
  24 #include <vector>
  25 #include <stdint.h>
  26 #include "../platform/threads.h"
  27
  28 #ifndef __WINDOWS__
  29 #include <termios.h>
  30 #else
  31 #include "../util/buffer.h"
  32 #endif
  33
  34 namespace CEC
  35 {
  36   #define PAR_NONE 0
  37   #define PAR_EVEN 1
  38   #define PAR_ODD  2
  39
  40   class CSerialPort
  41   {
  42     public:
  43       CSerialPort();
  44       virtual ~CSerialPort();
  45
  46       bool Open(std::string name, int baudrate, int databits = 8, int stopbits = 1, int parity = PAR_NONE);
  47       bool IsOpen();
  48       void Close();
  49
  50       int  Write(std::vector<uint8_t> data)
  51       {
  52         return Write(&data[0], data.size());
  53       }
  54       int  Write(uint8_t* data, int len);
  55       int  Read(uint8_t* data, int len, int iTimeoutMs = -1);
  56
  57       std::string GetError() { return m_error; }
  58       std::string GetName() { return m_name; }
  59
  60   private:
  61       bool SetBaudRate(int baudrate);
  62
  63       std::string     m_error;
  64       std::string     m_name;
  65       CMutex          m_mutex;
  66
  67   #ifdef __WINDOWS__
  68       bool SetTimeouts(bool bBlocking);
  69
  70       HANDLE             m_handle;
  71       bool               m_bIsOpen;
  72       int                m_iBaudrate;
  73       int                m_iDatabits;
  74       int                m_iStopbits;
  75       int                m_iParity;
  76       int64_t            m_iTimeout;
  77       CecBuffer<uint8_t> m_buffer;
  78       HANDLE             m_ovHandle;
  79   #else
  80       struct termios     m_options;
  81       int                m_fd;
  82   #endif
  83   };
  84 };