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76 lines
2.2 KiB
76 lines
2.2 KiB
/*
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* Copyright (C) 2002-2004,2007-2009,2011-2013,2015,2018 by Jonathan Naylor G4KLX
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* Copyright (C) 1999-2001 by Thomas Sailor HB9JNX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef SerialDataController_H
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#define SerialDataController_H
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#include "StdCompat.h"
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#if defined(_WIN32)
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#include <windows.h>
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#endif
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enum SERIAL_SPEED {
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SERIAL_1200 = 1200,
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SERIAL_2400 = 2400,
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SERIAL_4800 = 4800,
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SERIAL_9600 = 9600,
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SERIAL_19200 = 19200,
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SERIAL_38400 = 38400,
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SERIAL_76800 = 76800,
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SERIAL_115200 = 115200,
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SERIAL_230400 = 230400
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};
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/*
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* Binary data I/O over a serial port.
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*
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* Used to communicate with modem hardware (DVAP, DV-RPTR, MMDVM, etc.) that
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* is attached via a serial or USB-serial interface. Provides a simple
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* read/write interface with optional read timeout (milliseconds).
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*
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* If assertRTS is true, the RTS line is asserted after open() — some modems
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* use this as a hardware flow-control or power signal.
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*/
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class CSerialDataController {
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public:
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CSerialDataController(const std::string& device, SERIAL_SPEED speed, bool assertRTS = false);
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~CSerialDataController();
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bool open();
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// Returns bytes read, 0 on timeout, or -1 on error. timeout=0 is non-blocking.
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int read(unsigned char* buffer, unsigned int length, unsigned int timeout = 0U);
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int write(const unsigned char* buffer, unsigned int length);
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void close();
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private:
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std::string m_device;
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SERIAL_SPEED m_speed;
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bool m_assertRTS;
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#if defined(_WIN32)
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HANDLE m_handle;
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#else
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int m_fd;
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#endif
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};
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#endif
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