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anykey.c
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anykey.c
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/*
* This file is part of the sigrok-cli project.
*
* Copyright (C) 2011 Bert Vermeulen <[email protected]>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "sigrok-cli.h"
#include <stdio.h>
#ifdef _WIN32
#include <windows.h>
#else
#include <termios.h>
#endif
#include <unistd.h>
#include <string.h>
#include <glib.h>
#ifdef _WIN32
static HANDLE stdin_handle;
static DWORD stdin_mode;
#else
static struct termios term_orig;
#endif
static int received_anykey(int fd, int revents, void *cb_data)
{
struct sr_session *session;
(void)fd;
(void)revents;
session = cb_data;
sr_session_source_remove(session, STDIN_FILENO);
sr_session_stop(session);
return TRUE;
}
/* Turn off buffering on stdin. */
void add_anykey(struct sr_session *session)
{
#ifdef _WIN32
stdin_handle = GetStdHandle(STD_INPUT_HANDLE);
if (!GetConsoleMode(stdin_handle, &stdin_mode)) {
/* TODO: Error handling. */
}
SetConsoleMode(stdin_handle, 0);
#else
struct termios term;
tcgetattr(STDIN_FILENO, &term);
memcpy(&term_orig, &term, sizeof(struct termios));
term.c_lflag &= ~(ECHO | ICANON | ISIG);
tcsetattr(STDIN_FILENO, TCSADRAIN, &term);
#endif
sr_session_source_add(session, STDIN_FILENO, G_IO_IN, -1,
received_anykey, session);
g_message("Press any key to stop acquisition.");
}
/* Restore stdin attributes. */
void clear_anykey(void)
{
#ifdef _WIN32
SetConsoleMode(stdin_handle, stdin_mode);
#else
tcflush(STDIN_FILENO, TCIFLUSH);
tcsetattr(STDIN_FILENO, TCSANOW, &term_orig);
#endif
}