#include "tem_hum.h"

float tem;
float hum;
float light;
float proximity;
int turn_num;
int turn_flag=1;
float sound_db;
tem_hum::tem_hum()
{

}

void tem_hum::get_tem()
{
    //创建文件对象
    QFile *file_tem_raw = new QFile("/sys/bus/iio/devices/iio:device0/in_temp_raw");
    QFile *file_hum_raw = new QFile("/sys/bus/iio/devices/iio:device0/in_humidityrelative_raw");
    QFile *file_offset = new QFile("/sys/bus/iio/devices/iio:device0/in_temp_offset");
    QFile *file_scale = new QFile("/sys/bus/iio/devices/iio:device0/in_temp_scale");
    //打开设备文件
    file_tem_raw->open(QIODevice::ReadOnly);
    file_hum_raw->open(QIODevice::ReadOnly);
    file_offset->open(QIODevice::ReadOnly);
    file_scale->open(QIODevice::ReadOnly);
    //以文件流的形式读取
    QTextStream stream_tem_raw (file_tem_raw);
    QString temp = stream_tem_raw.readLine();
    QTextStream stream_hum_raw (file_hum_raw);
    QString hum_ = stream_hum_raw.readLine();
    QTextStream stream_offset (file_offset);
    QString offset = stream_offset.readLine();
    QTextStream stream_scale (file_scale);
    QString scale = stream_scale.readLine();
    //计算具体值
    tem = (temp.toFloat()+offset.toFloat())*(scale.toFloat())/1000;
    hum = (hum_.toFloat()+offset.toFloat())*(scale.toFloat())/1000;
    //关闭文件
    file_tem_raw->close();
    file_hum_raw->close();
    file_offset->close();
    file_scale->close();
}
//获取光照强度
void tem_hum::get_light()
{
    QFile *file_light= new QFile("/sys/bus/iio/devices/iio:device1/in_illuminance_input");
    file_light->open(QIODevice::ReadOnly);
    QTextStream stream_light (file_light);
    QString light_ = stream_light.readLine();
    light = light_.toFloat();
    file_light->close();
}
//判断翻身
void tem_hum::get_proximity()
{
    QFile *file_proximity= new QFile("/sys/bus/iio/devices/iio:device1/in_proximity_raw");
    file_proximity->open(QIODevice::ReadOnly);
    QTextStream stream_proximity (file_proximity);
    QString proximity_ = stream_proximity.readLine();
    proximity = proximity_.toFloat();
    file_proximity->close();
    if(turn_flag==0)
    {
        if(proximity<100)
        {
            turn_num++;
            turn_flag=1;
        }
    }
    if(proximity>150)
    {
        turn_flag=0;
    }
}