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在對象中創建線程時出現問題。誤差左值需要作爲一元 '&' 操作數作爲一元'&'操作數需要的錯誤左值
CPP文件
#include "AirQ.h"
static int i=0;
AirQ::AirQ(int pinNo, bool input):Sensor("AIRQUALITY", "PPM",pinNo,input) {
threadShouldRunAQ = true;
this->bufferLength = 256;
signal(SIGINT, AirQ::signalHandler);
airQualitySensor = new upm::Ublox6(pinNo);
if (!airQualitySensor->setupTty(B9600))
std::cerr << "[ERROR][GPS] Failed to setup tty port parameters!" << std::endl;
try
{
std::thread air = std::thread(&AirQ::processDataAQ(), this);
}
catch (std::exception e)
{
std::cerr << "[ERROR][GPS] " << e.what() << std::endl;
}
}
AirQ::~AirQ() {
// TODO Auto-generated destructor stub
}
void AirQ::signalHandler(int sigNo)
{
if (sigNo == SIGINT)
threadShouldRunAQ = false;
}
void AirQ::processDataAQ()
{
while (threadShouldRunAQ)
{
i++;
if (airQualitySensor != NULL)
if (airQualitySensor->dataAvailable())
{
//TODO
}
usleep(100000);
}
}
void AirQ::getData(std::string value)
{
this->readBuffer = value;
}
std::string AirQ::logData()
{
AirQ::setCollectedFlag(false);
return this->readBuffer;
}
void AirQ::setCollectedFlag(bool flag)
{
this->collectedFlag = flag;
}
.h文件
#include <ublox6.h>
#include "Sensor.h"
#ifndef AIRQ_H_
#define AIRQ_H_
static bool threadShouldRunAQ;
static upm::Ublox6* airQualitySensor;
class AirQ: private Sensor {
private:
std::string readBuffer;
bool collectedFlag;
size_t bufferLength;
static void signalHandler(int);
void processDataAQ();
protected:
public:
AirQ(int, bool);
virtual ~AirQ();
std::string logData();
void getData(std::string);
void setCollectedFlag(bool);
std::thread processingThread;
};
#endif /* AIRQ_H_ */
報道在CPP文件中的錯誤,行 的std ::線程空氣= std :: thread(& AirQ :: processDataAQ(),this);,我不明白什麼是錯的。
我主要我創建這樣的對象。
AirQ* test = new AirQ(0,true);
任何幫助將不勝感激。
解決方案: 變化& AIRQ :: processDataAQ()來& AIRQ :: processDataAQ。後者是一個指向成員函數的指針。 - Pete Becker
@bkVnet 是但爲什麼它被作爲基準和 –
變化'&AIRQ :: processDataAQ()''到AIRQ及:: processDataAQ'。後者是一個指向成員函數的指針。 –
它的工作@PeteBecker請張貼它作爲解決方案接受它:) –