106 lines
3.7 KiB
C++
106 lines
3.7 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
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* Copyright (C) 2015 Simon Stuerz <simon.stuerz@guh.guru> *
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* *
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* This file is part of guh. *
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* *
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* Guh is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, version 2 of the License. *
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* *
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* Guh 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 License *
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* along with guh. If not, see <http://www.gnu.org/licenses/>. *
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* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef GPIO_H
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#define GPIO_H
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#include <QObject>
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#include <QThread>
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#include <QMutex>
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#include <QMutexLocker>
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#include <QDir>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <poll.h>
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#define INPUT 0
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#define OUTPUT 1
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#define LOW 0
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#define HIGH 1
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#define EDGE_FALLING 0
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#define EDGE_RISING 1
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#define EDGE_BOTH 2
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/**********************************
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* Raspberry Pi Rev. 2.0 P1 Header Raspberry Pi Rev. 2.0 P5 Header
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* __________________________________ __________________________________
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* |______________________|__________| |______________________|__________|
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* | Name | PIN NR. | Function | | Name | PIN NR. | Function |
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* |___________|__________|__________| |___________|__________|__________|
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* | GPIO 2 | 3 | SDA | | GPIO 28 | 3 | SDA |
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* | GPIO 3 | 5 | SCL | | GPIO 29 | 4 | SCL |
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* | GPIO 4 | 7 | | | GPIO 30 | 5 | |
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* | GPIO 7 | 26 | CE1 | | GPIO 31 | 6 | |
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* | GPIO 8 | 24 | CE0 | |___________|__________|__________|
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* | GPIO 9 | 21 | MISO |
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* | GPIO 10 | 19 | MOSI |
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* | GPIO 11 | 23 | SCLK |
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* | GPIO 14 | 8 | TXD |
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* | GPIO 15 | 10 | RXD |
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* | GPIO 17 | 11 | |
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* | GPIO 18 | 12 | PCM_CLK |
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* | GPIO 22 | 15 | |
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* | GPIO 23 | 16 | |
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* | GPIO 24 | 18 | |
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* | GPIO 25 | 22 | |
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* | GPIO 27 | 13 | |
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* |___________|__________|__________|
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*
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**********************************
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*/
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class Gpio : public QObject
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{
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Q_OBJECT
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public:
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explicit Gpio(QObject *parent = 0, int gpio = 0);
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~Gpio();
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bool exportGpio();
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bool unexportGpio();
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int openGpio();
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bool setDirection(int dir);
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int getDirection();
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bool setValue(unsigned int value);
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int getValue();
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bool setEdgeInterrupt(int edge);
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bool setActiveLow(bool activeLow);
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int gpioNumber();
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bool isAvailable();
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private:
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int m_gpio;
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int m_dir;
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};
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#endif // GPIO_H
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