JeVois
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JeVois Smart Embedded Machine Vision Toolkit
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Console.H
Go to the documentation of this file.
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// ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// JeVois Smart Embedded Machine Vision Toolkit - Copyright (C) 2020 by Laurent Itti, the University of Southern
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// California (USC), and iLab at USC. See http://iLab.usc.edu and http://jevois.org for information about this project.
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//
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// This file is part of the JeVois Smart Embedded Machine Vision Toolkit. This program is free software; you can
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// redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software
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// Foundation, version 2. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// License for more details. You should have received a copy of the GNU General Public License along with this program;
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// if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// Contact information: Laurent Itti - 3641 Watt Way, HNB-07A - Los Angeles, CA 90089-2520 - USA.
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// Tel: +1 213 740 3527 - itti@pollux.usc.edu - http://iLab.usc.edu - http://jevois.org
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// ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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/*! \file */
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#pragma once
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#ifdef JEVOIS_PRO
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namespace
jevois
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{
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/*! \defgroup console Console access utilities
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Console-related utility and helper functions. \ingroup utils */
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/*! @{ */
// **********************************************************************
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//! Indicate whether this fd (which should be from /dev/input/eventX) is keyboard, mouse, etc
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/*! Inspired from SFML-rpi */
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bool
isInputDevice
(
int
fd);
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//! Get a file descriptor to the console
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int
getConsoleFd
();
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//! Get current active tty
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/*! Reads /sys/class/tty/tty0/active and open the tty. Caller should close that fd later using close(). */
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int
getActiveTTY
();
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//! Prevent keystrokes from reaching the tty
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/*! Useful when doing direct drawing into the linux framebuffer, as in ImGuiBackendMALI. Returned kb_mode is what it
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was, use it in unMuteKeyboard to restore. */
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void
muteKeyboard
(
int
tty,
int
& kb_mode);
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//! Restore the keyboard mode for given tty
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/*! Use kd_mode that was returned by muteKeyboard(). */
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void
unMuteKeyboard
(
int
tty,
int
kb_mode);
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/*! @} */
// **********************************************************************
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}
// namespace jevois
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#endif // JEVOIS_PRO
jevois::unMuteKeyboard
void unMuteKeyboard(int tty, int kb_mode)
Restore the keyboard mode for given tty.
Definition:
Console.C:114
jevois::getActiveTTY
int getActiveTTY()
Get current active tty.
Definition:
Console.C:121
jevois
Definition:
Concepts.dox:1
jevois::isInputDevice
bool isInputDevice(int fd)
Indicate whether this fd (which should be from /dev/input/eventX) is keyboard, mouse,...
Definition:
Console.C:36
jevois::muteKeyboard
void muteKeyboard(int tty, int &kb_mode)
Prevent keystrokes from reaching the tty.
Definition:
Console.C:103
jevois::getConsoleFd
int getConsoleFd()
Get a file descriptor to the console.
Definition:
Console.C:85
include
jevois
Util
Console.H
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