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Simplify arbitrary baudrate code

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This commit is contained in:
Martin Lund 2022-07-12 12:09:09 +02:00
parent ac859f41b9
commit a23be7f2c2
4 changed files with 32 additions and 36 deletions
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5
src/meson.build
View file

@ -13,7 +13,8 @@ tio_sources = [
'print.c',
'configfile.c',
'signals.c',
'socket.c'
'socket.c',
'setspeed.c'
]
tio_dep = dependency('inih', required: true,
@ -23,12 +24,10 @@ tio_dep = dependency('inih', required: true,
tio_c_args = ['-Wno-unused-result']
if enable_setspeed2
tio_sources += 'setspeed2.c'
tio_c_args += '-DHAVE_TERMIOS2'
endif
if enable_iossiospeed
tio_sources += 'iossiospeed.c'
tio_c_args += '-DHAVE_IOSSIOSPEED'
endif

24
src/setspeed2.c → src/setspeed.c
View file

@ -19,13 +19,21 @@
* 02110-1301, USA.
*/
#ifdef HAVE_TERMIOS2
#define termios asmtermios
#include <sys/ioctl.h>
#undef termios
#include <asm-generic/ioctls.h>
#include <asm-generic/termbits.h>
int setspeed2(int fd, int baudrate)
#elif HAVE_IOSSIOSPEED
#include <sys/ioctl.h>
#include <IOKit/serial/ioss.h>
#endif
#ifdef HAVE_TERMIOS2
int setspeed(int fd, int baudrate)
{
struct termios2 tio;
int status;
@ -42,3 +50,17 @@ int setspeed2(int fd, int baudrate)
return status;
}
#elif HAVE_IOSSIOSPEED
int setspeed(int fd, int baudrate)
{
return ioctl(fd, IOSSIOSPEED, (char *)&baudrate);
}
#else
int setspeed(int fd, int baudrate)
{
errno = EINVAL;
return -1;
}
#endif

10
src/iossiospeed.c → src/setspeed.h
View file

@ -1,7 +1,7 @@
/*
* tio - a simple serial terminal I/O tool
*
* Copyright (c) 2017 Martin Lund
* Copyright (c) 2022 Martin Lund
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -19,10 +19,6 @@
* 02110-1301, USA.
*/
#include <sys/ioctl.h>
#include <IOKit/serial/ioss.h>
#pragma once
int iossiospeed(int fd, int baudrate)
{
return ioctl(fd, IOSSIOSPEED, (char *)&baudrate);
}
int setspeed(int fd, int baudrate);

29
src/tty.c
View file

@ -49,14 +49,7 @@
#include "log.h"
#include "error.h"
#include "socket.h"
#ifdef HAVE_TERMIOS2
extern int setspeed2(int fd, int baudrate);
#endif
#ifdef HAVE_IOSSIOSPEED
extern int iossiospeed(int fd, int baudrate);
#endif
#include "setspeed.h"
#ifdef __APPLE__
#define PATH_SERIAL_DEVICES "/dev/"
@ -928,7 +921,7 @@ int tty_connect(void)
#ifdef HAVE_IOSSIOSPEED
if (!standard_baudrate)
{
/* OS X wants these fields left alone. We'll set baudrate with iossiospeed below. */
/* OS X wants these fields left alone before setting arbitrary baud rate */
tio.c_ispeed = tio_old.c_ispeed;
tio.c_ospeed = tio_old.c_ospeed;
}
@ -949,27 +942,15 @@ int tty_connect(void)
goto error_tcsetattr;
}
#ifdef HAVE_TERMIOS2
/* Set arbitrary baudrate (only works on supported platforms) */
if (!standard_baudrate)
{
if (setspeed2(fd, option.baudrate) != 0)
if (setspeed(fd, option.baudrate) != 0)
{
tio_error_printf_silent("Could not set baudrate speed (%s)", strerror(errno));
goto error_setspeed;
}
}
#endif
#ifdef HAVE_IOSSIOSPEED
if (!standard_baudrate)
{
if (iossiospeed(fd, option.baudrate) != 0)
{
tio_error_printf_silent("Could not set baudrate speed (%s)", strerror(errno));
goto error_setspeed;
}
}
#endif
/* Input loop */
while (true)
@ -1123,9 +1104,7 @@ int tty_connect(void)
return TIO_SUCCESS;
#if defined (HAVE_TERMIOS2) || defined (HAVE_IOSSIOSPEED)
error_setspeed:
#endif
error_tcsetattr:
error_tcgetattr:
error_read: