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126 lines
4.2 KiB
126 lines
4.2 KiB
/**
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* Digital Voice Modem - Host Software
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Host Software
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*
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*/
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//
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// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
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// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
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//
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/*
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* Copyright (C) 2002-2004,2007-2009,2011-2013,2015-2017,2020,2021 by Jonathan Naylor G4KLX
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* Copyright (C) 1999-2001 by Thomas Sailor HB9JNX
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* Copyright (C) 2020-2021 by Bryan Biedenkapp N2PLL
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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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#if !defined(__UART_PORT_H__)
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#define __UART_PORT_H__
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#include "Defines.h"
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#include "modem/port/IModemPort.h"
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#include "modem/port/ISerialPort.h"
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#include <string>
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#if defined(_WIN32) || defined(_WIN64)
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#endif
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namespace modem
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{
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namespace port
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{
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// ---------------------------------------------------------------------------
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// Constants
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// ---------------------------------------------------------------------------
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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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SERIAL_460800 = 460800
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};
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// ---------------------------------------------------------------------------
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// Class Declaration
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// This class implements low-level routines to communicate over a RS232
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// serial port.
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// ---------------------------------------------------------------------------
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class HOST_SW_API UARTPort : public ISerialPort, public IModemPort {
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public:
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/// <summary>Initializes a new instance of the UARTPort class.</summary>
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UARTPort(const std::string& device, SERIAL_SPEED speed, bool assertRTS = false);
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/// <summary>Finalizes a instance of the UARTPort class.</summary>
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virtual ~UARTPort();
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/// <summary>Opens a connection to the serial port.</summary>
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virtual bool open();
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/// <summary>Reads data from the serial port.</summary>
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virtual int read(uint8_t* buffer, uint32_t length);
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/// <summary>Writes data to the serial port.</summary>
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virtual int write(const uint8_t* buffer, uint32_t length);
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/// <summary>Closes the connection to the serial port.</summary>
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virtual void close();
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#if defined(__APPLE__)
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/// <summary></summary>
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virtual int setNonblock(bool nonblock);
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#endif
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protected:
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/// <summary>Initializes a new instance of the UARTPort class.</summary>
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UARTPort(SERIAL_SPEED speed, bool assertRTS = false);
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bool m_isOpen;
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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) || defined(_WIN64)
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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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#if defined(_WIN32) || defined(_WIN64)
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/// <summary></summary>
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int readNonblock(uint8_t * buffer, uint32_t length);
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#else
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/// <summary></summary>
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bool canWrite();
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/// <summary></summary>
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bool setTermios();
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#endif
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}; // class HOST_SW_API UARTPort : public ISerialPort, public IModemPort
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} // namespace port
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} // namespace Modem
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#endif // __UART_PORT_H__
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