mirror of
https://github.com/ElvishArtisan/rivendell.git
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698b475933
* Removed all CVS tags. * Removed 'const char *name' parameter from all QObject contructors.
89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
// rdgpio.h
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//
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// A driver for General-Purpose I/O devices.
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//
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// (C) Copyright 2002-2003,2016 Fred Gleason <fredg@paravelsystems.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Library General Public License
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// version 2 as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#ifndef RDGPIO_H
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#define RDGPIO_H
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#include <linux/input.h>
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#include <qobject.h>
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#include <qtimer.h>
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#include <qsignalmapper.h>
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#include <gpio.h>
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#define GPIO_CLOCK_INTERVAL 100
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#define GPIO_MAX_LINES 24
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class RDGpio : public QObject
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{
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Q_OBJECT
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public:
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enum Mode {Auto=GPIO_MODE_AUTO,Input=GPIO_MODE_INPUT,Output=GPIO_MODE_OUTPUT};
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RDGpio(QObject *parent=0);
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QString device() const;
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void setDevice(QString dev);
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QString description() const;
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RDGpio::Mode mode();
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void setMode(RDGpio::Mode mode);
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bool open();
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void close();
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int inputs() const;
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int outputs() const;
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unsigned inputMask();
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bool inputState(int line);
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unsigned outputMask() const;
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signals:
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void inputChanged(int line,bool state);
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void outputChanged(int line,bool state);
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public slots:
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void gpoSet(int line,unsigned interval=0);
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void gpoReset(int line,unsigned interval=0);
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private slots:
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void inputTimerData();
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void revertData(int);
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private:
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enum Api {ApiGpio=0,ApiInput=1};
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void RemapTimers();
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void SetReversion(int,unsigned);
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void Clear();
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void InitGpio();
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void InitInput();
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Api gpio_api;
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int gpio_fd;
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QString gpio_device;
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bool gpio_open;
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struct gpio_info gpio_info;
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QTimer *gpio_input_timer;
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unsigned gpio_input_mask;
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unsigned gpio_output_mask;
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QSignalMapper *gpio_revert_mapper;
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QTimer *gpio_revert_timer[GPIO_MAX_LINES];
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int gpio_key_map[KEY_MAX];
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QString gpio_description;
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};
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#endif // RDGPIO_H
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