Qt继电器控制板代码
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#define ZIOMODULE_H
#include <QObject>
#include <QDebug>
#include <QSerialPort>
#include <QSerialPortInfo>
#define ADDR_DEST 0x01
const uchar zresponse_failed[]={0xA3,0x0D,0x0A,};
const uchar zcmd_output1_open[]={0x3A,0x88,ADDR_DEST,0x01,0x00,0x0D,0x0A};
const uchar zcmd_output1_close[]={0x3A,0x88,ADDR_DEST,0x01,0xFF,0x0D,0x0A};
const uchar zcmd_output2_open[]={0x3A,0x88,ADDR_DEST,0x02,0x00,0x0D,0x0A};
const uchar zcmd_output2_close[]={0x3A,0x88,ADDR_DEST,0x02,0xFF,0x0D,0x0A};
const uchar zcmd_output3_open[]={0x3A,0x88,ADDR_DEST,0x03,0x00,0x0D,0x0A};
const uchar zcmd_output3_close[]={0x3A,0x88,ADDR_DEST,0x03,0xFF,0x0D,0x0A};
const uchar zcmd_output4_open[]={0x3A,0x88,ADDR_DEST,0x04,0x00,0x0D,0x0A};
const uchar zcmd_output4_close[]={0x3A,0x88,ADDR_DEST,0x04,0xFF,0x0D,0x0A};
const uchar zresponse_output_open_close[]={0xA3,ADDR_DEST,0x00,0xFF,0x0D,0x0A};
//get all relays status.
const uchar zcmd_get_all_relay_status[]={0x3A,0x99,ADDR_DEST,0x00,0x0D,0x0A};
const uchar zresponse_all_relay_status[]={0xA3,ADDR_DEST,0xFF,0xFF,0xFF,0xFF,0x0D,0x0A};
//get all input status.
const uchar zcmd_get_all_inputs_status[]={0x3A,0x98,ADDR_DEST,0x00,0x0D,0x0A};
const uchar zresponse_all_inputs_status[]={0xA5,ADDR_DEST,0xFF,0xFF,0xFF,0xFF,0x0D,0x0A};
class ZIOModule : public QObject
{
Q_OBJECT
public:
typedef enum
{
OutputPort1=1,
OutputPort2=2,
OutputPort3=3,
OutputPort4=4,
}ZOutputPort;
//portName: ttyUSB0.
//responseTimeout: the wait time for the device response.
explicit ZIOModule(QString portName,qint32 responseTimeOut=2000,QObject *parent = 0);
~ZIOModule();
//execute serial port initial operations.
bool ZDoInit();
//do some clean work here.
void ZCleanUp();
//set output status of specified port.
bool ZSetOutputPort(ZOutputPort port,bool bOpen);
//get all output port status.
qint32 ZGetOutputPortsStatus(qint32 *status);
//get all input port status.
qint32 ZGetInputPortsStatus(qint32 *status);
signals:
public slots:
private:
qint32 ZWriteData(const uchar *cmd,quint32 len);
bool ZVerifyResponseForOutputOpenClose(qint32 index,bool bOpen);
private:
QSerialPort *m_serialPort;
qint32 m_responseTimeout;
};
#endif // ZIOMODULE_H
#include "ziomodule.h"
ZIOModule::ZIOModule(QString portName,qint32 responseTimeOut,QObject *parent) :
QObject(parent)
{
this->m_serialPort=new QSerialPort(portName);
this->m_responseTimeout=responseTimeOut;
}
ZIOModule::~ZIOModule()
{
delete this->m_serialPort;
}
bool ZIOModule::ZDoInit()
{
this->m_serialPort->setBaudRate(QSerialPort::Baud9600);
this->m_serialPort->setDataBits(QSerialPort::Data8);
this->m_serialPort->setStopBits(QSerialPort::OneStop);
this->m_serialPort->setParity(QSerialPort::NoParity);
this->m_serialPort->setFlowControl(QSerialPort::NoFlowControl);
if(!this->m_serialPort->open(QIODevice::ReadWrite))
{
qDebug()<<"error:"<<this->m_serialPort->errorString();
qDebug()<<"available ports are:";
foreach (const QSerialPortInfo &info,QSerialPortInfo::availablePorts())
{
qDebug()<<info.portName();
}
return false;
}
return true;
}
void ZIOModule::ZCleanUp()
{
this->m_serialPort->flush();
this->m_serialPort->close();
}
qint32 ZIOModule::ZWriteData(const uchar *cmd,quint32 len)
{
qint32 tWrites=-1;
if(this->m_serialPort && this->m_serialPort->isOpen())
{
QByteArray tSendBuffer((char*)cmd,len);
tWrites=this->m_serialPort->write(tSendBuffer);
this->m_serialPort->waitForBytesWritten(1000);
}
return tWrites;
}
//set output status of specified port.
bool ZIOModule::ZSetOutputPort(ZOutputPort port,bool bOpen)
{
qint32 portIndex;
switch(port)
{
case ZIOModule::OutputPort1:
if(bOpen)
{
this->ZWriteData(zcmd_output1_open,sizeof(zcmd_output1_open));
}else{
this->ZWriteData(zcmd_output1_close,sizeof(zcmd_output1_close));
}
portIndex=1;
break;
case ZIOModule::OutputPort2:
if(bOpen)
{
this->ZWriteData(zcmd_output2_open,sizeof(zcmd_output2_open));
}else{
this->ZWriteData(zcmd_output2_close,sizeof(zcmd_output2_close));
}
portIndex=2;
break;
case ZIOModule::OutputPort3:
if(bOpen)
{
this->ZWriteData(zcmd_output3_open,sizeof(zcmd_output3_open));
}else{
this->ZWriteData(zcmd_output3_close,sizeof(zcmd_output3_close));
}
portIndex=3;
break;
case ZIOModule::OutputPort4:
if(bOpen)
{
this->ZWriteData(zcmd_output4_open,sizeof(zcmd_output4_open));
}else{
this->ZWriteData(zcmd_output4_close,sizeof(zcmd_output4_close));
}
portIndex=4;
break;
default:
qDebug()<<"error:invalid output port index!";
return false;
}
return this->ZVerifyResponseForOutputOpenClose(portIndex,bOpen);
}
bool ZIOModule::ZVerifyResponseForOutputOpenClose(qint32 index,bool bOpen)
{
qint32 portIndex=index;
//here we use sync mode to wait device's response.
if(!this->m_serialPort->waitForReadyRead(this->m_responseTimeout))
{
qDebug()<<"error:wait for response timeout!";
return false;
}
QByteArray tRecvBuffer=this->m_serialPort->readAll();
if(tRecvBuffer.count()!=sizeof(zresponse_output_open_close) && tRecvBuffer.count()!=sizeof(zresponse_failed))
{
qDebug()<<"error:invalid response!";
return false;
}
if(tRecvBuffer==QByteArray((const char*)zresponse_failed,sizeof(zresponse_failed)))
{
qDebug()<<"error:device execute command failed!";
return false;
}
//{0xA3,ADDR_DEST,0x00,0xFF,0x0D,0x0A};
//verify the response byte by byte.
if(0xA3!=(uchar)tRecvBuffer.at(0) || ADDR_DEST!=(uchar)tRecvBuffer.at(1) || portIndex!=(uchar)tRecvBuffer.at(2) || 0x0D!=(uchar)tRecvBuffer.at(tRecvBuffer.count()-2) || 0x0A!=(uchar)tRecvBuffer.count()-1)
{
qDebug()<<"error:specified byte is not right!";
return false;
}
if(bOpen && 0x00!=(uchar)tRecvBuffer.at(3))
{
qDebug()<<"open failed";
return false;
}else if(!bOpen && 0xFF!=(uchar)(tRecvBuffer.at(3)))
{
qDebug()<<"close failed!";
return false;
}
return true;
}
//get all output ports status.
qint32 ZIOModule::ZGetOutputPortsStatus(qint32 *status)
{
qint32 ret;
ret=this->ZWriteData(zcmd_get_all_relay_status,sizeof(zcmd_get_all_relay_status));
if(ret!=sizeof(zcmd_get_all_relay_status))
{
qDebug()<<"error:write data failed!";
return -1;
}
if(!this->m_serialPort->waitForReadyRead(this->m_responseTimeout))
{
qDebug()<<"error:wait for response timeout!";
return -1;
}
QByteArray tRecvBuffer=this->m_serialPort->readAll();
if(tRecvBuffer.count()!=sizeof(zresponse_all_relay_status) && tRecvBuffer.count()!=sizeof(zresponse_failed))
{
qDebug()<<"error:invalid response!";
return -1;
}
if(tRecvBuffer==QByteArray((const char*)zresponse_failed,sizeof(zresponse_failed)))
{
qDebug()<<"error:device execute command failed!";
return -1;
}
//{0xA3,ADDR_DEST,0xFF,0xFF,0xFF,0xFF,0x0D,0x0A};
//verify byte by byte.
if(0xA3!=(uchar)tRecvBuffer.at(0) || ADDR_DEST!=(uchar)tRecvBuffer.at(1) || 0x0D!=(uchar)tRecvBuffer.at(tRecvBuffer.count()-2) || 0x0A!=(uchar)tRecvBuffer.count()-1)
{
qDebug()<<"error:specified byte is not right!";
return -1;
}
//combine bytes.
*status=(qint32)tRecvBuffer.at(2)<<24|(qint32)tRecvBuffer.at(3)<<16|(qint32)tRecvBuffer.at(4)<<8|(qint32)tRecvBuffer.at(5)<<0;
return 0;
}
//get all input port status.
qint32 ZIOModule::ZGetInputPortsStatus(qint32 *status)
{
qint32 ret;
ret=this->ZWriteData(zcmd_get_all_inputs_status,sizeof(zcmd_get_all_inputs_status));
if(ret!=sizeof(zcmd_get_all_inputs_status))
{
qDebug()<<"error:write data failed!";
return -1;
}
if(!this->m_serialPort->waitForReadyRead(this->m_responseTimeout))
{
qDebug()<<"error:wait for response timeout!";
return -1;
}
QByteArray tRecvBuffer=this->m_serialPort->readAll();
if(tRecvBuffer.count()!=sizeof(zresponse_all_inputs_status) && tRecvBuffer.count()!=sizeof(zresponse_failed))
{
qDebug()<<"error:invalid response!";
return -1;
}
if(tRecvBuffer==QByteArray((const char*)zresponse_failed,sizeof(zresponse_failed)))
{
qDebug()<<"error:device execute command failed!";
return -1;
}
//{0xA5,ADDR_DEST,0xFF,0xFF,0xFF,0xFF,0x0D,0x0A};
//verify byte by byte.
if(0xA5!=(uchar)tRecvBuffer.at(0) || ADDR_DEST!=(uchar)tRecvBuffer.at(1) || 0x0D!=(uchar)tRecvBuffer.at(tRecvBuffer.count()-2) || 0x0A!=(uchar)tRecvBuffer.count()-1)
{
qDebug()<<"error:specified byte is not right!";
return -1;
}
//combine bytes.
*status=(qint32)tRecvBuffer.at(2)<<24|(qint32)tRecvBuffer.at(3)<<16|(qint32)tRecvBuffer.at(4)<<8|(qint32)tRecvBuffer.at(5)<<0;
return 0;
}
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