[sigrok-cli.git] / anykey.c

/*
 * This file is part of the sigrok-cli project.
 *
 * Copyright (C) 2011 Bert Vermeulen <bert@biot.com>
 *
 * 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 <config.h>
#include <stdio.h>
#ifdef _WIN32
#include <windows.h>
#else
#include <termios.h>
#endif
#include <unistd.h>
#include <string.h>
#include <glib.h>
#include "sigrok-cli.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
}
Commit	Line	Data
	1	/*
	2	* This file is part of the sigrok-cli project.
	3	*
	4	* Copyright (C) 2011 Bert Vermeulen <bert@biot.com>
	5	*
	6	* This program is free software: you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation, either version 3 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	18	*/
	19
	20	#include <config.h>
	21	#include <stdio.h>
	22	#ifdef _WIN32
	23	#include <windows.h>
	24	#else
	25	#include <termios.h>
	26	#endif
	27	#include <unistd.h>
	28	#include <string.h>
	29	#include <glib.h>
	30	#include "sigrok-cli.h"
	31
	32	#ifdef _WIN32
	33	static HANDLE stdin_handle;
	34	static DWORD stdin_mode;
	35	#else
	36	static struct termios term_orig;
	37	#endif
	38
	39	static int received_anykey(int fd, int revents, void *cb_data)
	40	{
	41	struct sr_session *session;
	42
	43	(void)fd;
	44	(void)revents;
	45
	46	session = cb_data;
	47	sr_session_source_remove(session, STDIN_FILENO);
	48	sr_session_stop(session);
	49
	50	return TRUE;
	51	}
	52
	53	/* Turn off buffering on stdin. */
	54	void add_anykey(struct sr_session *session)
	55	{
	56	#ifdef _WIN32
	57	stdin_handle = GetStdHandle(STD_INPUT_HANDLE);
	58
	59	if (!GetConsoleMode(stdin_handle, &stdin_mode)) {
	60	/* TODO: Error handling. */
	61	}
	62
	63	SetConsoleMode(stdin_handle, 0);
	64	#else
	65	struct termios term;
	66
	67	tcgetattr(STDIN_FILENO, &term);
	68	memcpy(&term_orig, &term, sizeof(struct termios));
	69	term.c_lflag &= ~(ECHO \| ICANON \| ISIG);
	70	tcsetattr(STDIN_FILENO, TCSADRAIN, &term);
	71	#endif
	72
	73	sr_session_source_add(session, STDIN_FILENO, G_IO_IN, -1,
	74	received_anykey, session);
	75
	76	g_message("Press any key to stop acquisition.");
	77	}
	78
	79	/* Restore stdin attributes. */
	80	void clear_anykey(void)
	81	{
	82	#ifdef _WIN32
	83	SetConsoleMode(stdin_handle, stdin_mode);
	84	#else
	85	tcflush(STDIN_FILENO, TCIFLUSH);
	86	tcsetattr(STDIN_FILENO, TCSANOW, &term_orig);
	87	#endif
	88	}