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https://github.com/MiSTer-devel/Tandy1000_MiSTer.git
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123 lines
2.5 KiB
C++
123 lines
2.5 KiB
C++
//======================================================================
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//
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// Project: XTIDE Universal BIOS, Serial Port Server
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//
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// File: Win32Serial.h - Microsoft Windows serial code
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//
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//
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// XTIDE Universal BIOS and Associated Tools
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// Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
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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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// Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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//
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#include <stdio.h>
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#include <unistd.h>
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#include <termios.h>
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#include <errno.h>
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#include <fcntl.h>
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#include "../library/Library.h"
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#define PIPENAME "\\\\.\\pipe\\xtide"
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class SerialAccess
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{
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public:
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void Connect( const char *name, struct baudRate *p_baudRate )
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{
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char buff1[20], buff2[1024];
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baudRate = p_baudRate;
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pipe = -1;
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if( !access(name, R_OK | W_OK) )
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{
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struct termios state;
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log( 0, "Opening %s (%s baud)", name, baudRate->display );
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pipe = open(name, O_RDWR);
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if( pipe < 0 )
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log( -1, "Could not Open \"%s\"", name );
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tcgetattr(pipe, &state);
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cfmakeraw(&state);
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state.c_cflag |= CRTSCTS | CLOCAL;
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state.c_lflag &= ~ECHO;
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cfsetispeed(&state, baudRate->speed);
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cfsetospeed(&state, baudRate->speed);
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tcsetattr(pipe, TCSAFLUSH, &state);
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}
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else
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log( -1, "Serial port '%s' not found", name );
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}
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void Disconnect()
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{
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if( pipe )
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{
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close( pipe );
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pipe = -1;
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}
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}
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unsigned long readCharacters( void *buff, unsigned long len )
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{
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unsigned long readLen;
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int ret;
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readLen = read(pipe, buff, len);
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if( readLen < 0 )
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log( -1, "read serial failed (error code %i)", errno );
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return( readLen );
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}
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int writeCharacters( void *buff, unsigned long len )
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{
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unsigned long writeLen;
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int ret;
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writeLen = write(pipe, buff, len);
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if( writeLen < 0 )
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log( -1, "write serial failed (error code %i)", errno );
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return( 1 );
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}
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SerialAccess()
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{
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pipe = 0;
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speedEmulation = 0;
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resetConnection = 0;
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baudRate = NULL;
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}
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~SerialAccess()
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{
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Disconnect();
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}
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int speedEmulation;
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int resetConnection;
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struct baudRate *baudRate;
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private:
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int pipe;
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};
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