/*====================================================================*
*
* Copyright (c) 2013 Qualcomm Atheros, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted (subject to the limitations
* in the disclaimer below) provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of Qualcomm Atheros nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
* COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* ttycat.c - serial port test program;
*
* write one or more files to a serial device;
*
*--------------------------------------------------------------------*/
/*====================================================================*
* system header files;
*--------------------------------------------------------------------*/
#include <stdlib.h>
#include <limits.h>
#include <memory.h>
#include <signal.h>
#include <termios.h>
#include <unistd.h>
/*====================================================================*
* custom header files;
*--------------------------------------------------------------------*/
#include "../tools/getoptv.h"
#include "../tools/putoptv.h"
#include "../tools/number.h"
#include "../tools/error.h"
#include "../tools/files.h"
#include "../serial/serial.h"
/*====================================================================*
* custom source files;
*--------------------------------------------------------------------*/
#ifndef MAKEFILE
#include "../tools/getoptv.c"
#include "../tools/putoptv.c"
#include "../tools/version.c"
#include "../tools/efreopen.c"
#include "../tools/uintspec.c"
#include "../tools/todigit.c"
#include "../tools/error.c"
#endif
/*====================================================================*
* program warnings;
*--------------------------------------------------------------------*/
#if defined (WIN32)
#error "This program does not support Windows platforms"
#endif
/*====================================================================*
*
* signed copy (signed ifd, signed ofd, void * memory, signed extent)
*
* copy ifd to ofd using a buffer of specified size;
*
*--------------------------------------------------------------------*/
static signed copy (signed ifd, signed ofd, void * memory, signed extent)
{
while ((extent = read (ifd, memory, extent)) > 0)
{
if (write (ofd, memory, extent) < extent)
{
return (-1);
}
}
return (0);
}
/*====================================================================*
*
* int main (int argc, char const * argv []);
*
*--------------------------------------------------------------------*/
int main (int argc, char const * argv [])
{
static char const * optv [] =
{
"s:",
PUTOPTV_S_FUNNEL,
"copy one or more files to a serial device",
"s n\tline speed is (n) [115200]",
(char const *)(0)
};
struct termios restore;
struct termios current;
speed_t speed = B115200;
byte buffer [512];
signed c;
while ((c = getoptv (argc, argv, optv)) != -1)
{
switch (c)
{
case 's':
if (baudrate (uintspec (optarg, 0, UINT_MAX), &speed))
{
error (1, 0, "could not set baud rate");
}
break;
default:
break;
}
}
argc -= optind;
argv += optind;
if (!isatty (STDOUT_FILENO))
{
error (1, ENOTSUP, "stdout must be a serial line device");
}
tcflush (STDOUT_FILENO, TCIFLUSH);
tcgetattr (STDOUT_FILENO, &restore);
memset (¤t, 0, sizeof (current));
current.c_cflag = speed | CS8 | CLOCAL | CREAD;
current.c_iflag = IGNPAR;
current.c_oflag = 0;
current.c_lflag = 0;
current.c_cc [VTIME] = 0;
current.c_cc [VMIN] = 5;
tcsetattr (STDOUT_FILENO, TCSANOW, ¤t);
if (!argc)
{
copy (STDIN_FILENO, STDOUT_FILENO, buffer, sizeof (buffer));
}
while ((argc) && (* argv))
{
if (efreopen (* argv, "rb", stdin))
{
copy (STDIN_FILENO, STDOUT_FILENO, buffer, sizeof (buffer));
}
argc--;
argv++;
}
tcsetattr (STDOUT_FILENO, TCSANOW, &restore);
exit (0);
}