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/******************************************************************
Copyright © Deng Zhimao Co., Ltd. 1990-2030. All rights reserved.
* @projectName iotest
* @brief keysthread.cpp
* @author Deng Zhimao
* @email 1252699831@qq.com
* @date 2020-07-20
*******************************************************************/
#include "keysthread.h"
#include <QDebug>
#include "beep.h"
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <QDebug>
#include <QEvent>
#if __arm__
#include <linux/input.h>
#endif
KeysThread::KeysThread(QObject *parent)
{
key0Value = false;
key1Value = false;
startFlag = false;
}
KeysThread::~KeysThread()
{
}
void KeysThread::run()
{
#if __arm__
int fd;
char const *filename = "/dev/input/event1";
struct input_event input_ev;
fd = open(filename, O_RDWR);
if(fd < 0){
qDebug()<<"file open failed!"<<endl;
return ;
}
for ( ; ; ) {
if(!startFlag){
break;
}
read(fd, &input_ev, sizeof(input_ev));
if (input_ev.type == EV_KEY) {
if (input_ev.value == 0) {
key0Value = 0;
key1Value = 0;
if (input_ev.code == KEY_VOLUMEDOWN || input_ev.code == KEY_VOLUMEUP)
emit myKeyValueChanged();
}else {
if (input_ev.code == KEY_VOLUMEDOWN){
key0Value = input_ev.value;
emit myKeyValueChanged();
}
if (input_ev.code == KEY_VOLUMEUP){
key1Value = input_ev.value;
emit myKeyValueChanged();
}
}
}
}
close(fd);
#endif
}