Qt串口、定时器、Cstring

//功能函数 #include "Widget.h" #include "ui_Widget.h" #include <QtSerialPort/QSerialPortInfo> #include <QtSerialPort/QSerialPort> //QStringToHex void Widget::ToHex(QString &str, QByteArray &byteData) { int hexdata,lowhexdata; int hexdatalen = 0; int len = str.length(); byteData.resize(len/2); char lstr,hstr; for(int i=0; i<len; ) { //char lstr hstr=str[i].toLatin1(); if(hstr == ' ') { i++; continue; } i++; if(i >= len) break; lstr = str[i].toLatin1(); hexdata = convertCharToHex(hstr); lowhexdata = convertCharToHex(lstr); if((hexdata == 16) || (lowhexdata == 16)) break; else hexdata = hexdata*16+lowhexdata; i++; byteData[hexdatalen] = (char)hexdata; hexdatalen++; } byteData.resize(hexdatalen); } char Widget::convertCharToHex(char ch) { /* 0x30等于十进制的48，48也是0的ASCII值，， 1-9的ASCII值是49-57，，所以某一个值－0x30，， 就是将字符0-9转换为0-9 */ if((ch >= '0') && (ch <= '9')) return ch-0x30; else if((ch >= 'A') && (ch <= 'F')) return ch-'A'+10; else if((ch >= 'a') && (ch <= 'f')) return ch-'a'+10; else return (-1); } void Widget::insertSpaceDataHandle(QString &strHexRcvData) { int strCount =strHexRcvData.length(); if(strHexRcvData.length()>2) { for(int i = 0 ; i < strCount/2-1 ; i++ ) { strHexRcvData.insert(3*i+2," "); } } } //功能函数 #include "Widget.h" #include "ui_Widget.h" #include <QtSerialPort/QSerialPortInfo> #include <QtSerialPort/QSerialPort> //QStringToHex void Widget::ToHex(QString &str, QByteArray &byteData) { int hexdata,lowhexdata; int hexdatalen = 0; int len = str.length(); byteData.resize(len/2); char lstr,hstr; for(int i=0; i<len; ) { //char lstr hstr=str[i].toLatin1(); if(hstr == ' ') { i++; continue; } i++; if(i >= len) break; lstr = str[i].toLatin1(); hexdata = convertCharToHex(hstr); lowhexdata = convertCharToHex(lstr); if((hexdata == 16) || (lowhexdata == 16)) break; else hexdata = hexdata*16+lowhexdata; i++; byteData[hexdatalen] = (char)hexdata; hexdatalen++; } byteData.resize(hexdatalen); } char Widget::convertCharToHex(char ch) { /* 0x30等于十进制的48，48也是0的ASCII值，， 1-9的ASCII值是49-57，，所以某一个值－0x30，， 就是将字符0-9转换为0-9 */ if((ch >= '0') && (ch <= '9')) return ch-0x30; else if((ch >= 'A') && (ch <= 'F')) return ch-'A'+10; else if((ch >= 'a') && (ch <= 'f')) return ch-'a'+10; else return (-1); } void Widget::insertSpaceDataHandle(QString &strHexRcvData) { int strCount =strHexRcvData.length(); if(strHexRcvData.length()>2) { for(int i = 0 ; i < strCount/2-1 ; i++ ) { strHexRcvData.insert(3*i+2," "); } } } // //亮度检测 // #include "Widget.h" #include "ui_Widget.h" #include <QtSerialPort/QSerialPortInfo> #include <QtSerialPort/QSerialPort> //点亮度数据信息提取（接收数据，提取点信息，当前操作点） void Widget::rcvDataHandle(QString &rcvData_S, QString &rcvPoint, int rcv_Point) { int rcv_Red,rcv_Green,rcv_Blue; QString str; rcvPoint = rcvData_S.remove(" ").mid((rcv_Point-1)*RCV_COUNTPOINTDATA,RCV_COUNTPOINTDATA); //ui->textEditRXD->append("测试"+rcvPoint); int count = pointSize * pointSize ; rcv_Red = rcvPoint.mid(RCV_RED,RCV_COUNTCOLORINFOMA).toInt(&ok,16)/count; rcv_Green = rcvPoint.mid(RCV_GREEN,RCV_COUNTCOLORINFOMA).toInt(&ok,16)/count; //ui->textEditRXD->append("测试"+QString::number(rcv_Green)); rcv_Blue = rcvPoint.mid(RCV_BLUE,RCV_COUNTCOLORINFOMA).toInt(&ok,16)/count; str = QString::number(rcv_Red,16); addSpace(str,COUNTLEDCOLORDATA-str.length()); rcvPoint += str; str = QString::number(rcv_Green,16); addSpace(str,COUNTLEDCOLORDATA-str.length()); rcvPoint += str; str = QString::number(rcv_Blue,16); addSpace(str,COUNTLEDCOLORDATA-str.length()); rcvPoint += str; //ui->textEditRXD->append(rcvPoint); } //接收的点信息，亮度标准(宏标准)，误差 int Widget::judgementStandard(QString &pointInfom, long long macro, long long errorRange,int count) { QString str = QString::number(macro-errorRange,16); addSpace(str,RCV_COUNTPOINTDATA-str.length()); //ui->textEditRXD->append(str); if(QString::compare(pointInfom,str)>=0) { sendData_Str = sendData_Str.remove(" "); insertSendPointInfom(sendData_Str,count,QString::number(GREENPOINT,16)); //ui->textEditTXD->setText(sendData_Str); return QUALIF; }else { insertSendPointInfom(sendData_Str,count,QString::number(REDPOINT,16)); return DISQUALIF; } } void Widget::addSpace(QString &str,int num) { for(int i = 0 ; i < num ; i++) { str = "0" + str; } //ui->textEditRXD->append(str); } void Widget::changePointColor() { QString pointInfom; if(rcvData_QStr.length()!=0) { rcvDataHandle(rcvData_QStr,pointInfom,points); judgementStandard(pointInfom,R_QUALIF_LUMINANCE,R_QUALIF_LUMINANCE_ERROR,points); } } #include "Widget.h" #include <QApplication> int main(int argc, char *argv[]) { QApplication a(argc, argv); Widget w; w.show(); return a.exec(); } // //对点的操作： //1.上下左右移动 //2.点的颜色 //3.点的大小 #include "Widget.h" #include "ui_Widget.h" #include <QtSerialPort/QSerialPortInfo> #include <QtSerialPort/QSerialPort> //上 void Widget::on_btnUp_clicked() { ctrlPoint(1,ui->sbPoints->value(),ui->hsldPointSize->value()); } //下 void Widget::on_btnDown_clicked() { ctrlPoint(2,ui->sbPoints->value(),ui->hsldPointSize->value()); } //左 void Widget::on_btnLeft_clicked() { ctrlPoint(3,ui->sbPoints->value(),ui->hsldPointSize->value()); } //右 void Widget::on_btnRight_clicked() { ctrlPoint(4,ui->sbPoints->value(),ui->hsldPointSize->value()); } void Widget::ctrlPoint(int num,int num1,int pointSize)//移动方向，第几个点,点的大小 { if(!sendData_Str.isEmpty()) { int n_crd = 0; QString str,str1; QString strTextEdit = sendData_Str.remove(" "). //strTextEdit包含 第num1点的 颜色 坐标 mid(COORDINATESDATASITE+(num1-1)*COUNTCOORDINATESDATA,COUNTCOORDINATESDATA); QString strPointSize = QString::number(pointSize); if(pointSize<10) { strPointSize = "0"+strPointSize; } //ui->textEditRXD->setText(strTextEdit); switch (num) { case 1: { n_crd = (strTextEdit.mid(Y_SITE,3)).toInt(&ok,16);//点的Y坐标 n_crd --; break; } case 2://下 { n_crd = (strTextEdit.mid(Y_SITE,3)).toInt(&ok,16);//点的Y坐标 n_crd ++;//下 break; } case 3: { n_crd = (strTextEdit.mid(X_SITE,3)).toInt(&ok,16);//点的Y坐标 n_crd --;//下 break; } case 4: { n_crd = (strTextEdit.mid(X_SITE,3)).toInt(&ok,16);//点的Y坐标 n_crd ++;//下 break; } default: break; } //判断QString类型的n_crd长度为几位 str1 = QString::number(n_crd,16); if(str1.length()<3 && str1.length()>=2) { str1 = "0"+str1; } else if(str1.length()<2&& str1.length()>=1) { str1 = "00"+str1; } else if(str1.length()>=3) { str1 = str1.mid(str1.length()- 3, 3); } else { str1 = "000"; } switch (num) { case 1: str = sendData_Str.remove(" ") .replace(COORDINATESDATASITE+(num1-1)*COUNTCOORDINATESDATA,COUNTCOORDINATESDATA,strTextEdit.replace(Y_SITE,3,str1)); break; case 2: str = sendData_Str .replace(COORDINATESDATASITE+(num1-1)*COUNTCOORDINATESDATA,COUNTCOORDINATESDATA,strTextEdit.replace(Y_SITE,3,str1)); break; case 3: str = sendData_Str .replace(COORDINATESDATASITE+(num1-1)*COUNTCOORDINATESDATA,COUNTCOORDINATESDATA,strTextEdit.replace(X_SITE,3,str1)); break; case 4: str = sendData_Str .replace(COORDINATESDATASITE+(num1-1)*COUNTCOORDINATESDATA,COUNTCOORDINATESDATA,strTextEdit.replace(X_SITE,3,str1)); break; default: break; } str = str.replace(POINTSIZEDETASITE,COUNTPOINTSIZEDATA,strPointSize);//点的大小 sendData_Str = str; on_btnTXD_clicked(); } else { // } } #include "Widget.h" #include "ui_Widget.h" #include <QtSerialPort/QSerialPortInfo> #include <QtSerialPort/QSerialPort> //串口发送 void Widget::sendInfo(QString &info) { info = info.remove(" "); QByteArray sendBuf; insertSendPointInfom(info,pointSize); ToHex(info, sendBuf);// serial->write(sendBuf); // insertSpaceDataHandle(info); // ui->textEditRXD->append("#发送#：\t"+info); } //串口接收 void Widget::receiveInfo() { rcvData_Byt = serial->readAll(); } void Widget::initTimer(int count) { fTimer = new QTimer(this); fTimer->stop(); fTimer->setInterval(count); connect(fTimer,SIGNAL(timeout()),this,SLOT(on_timer_timeout())); } void Widget::on_timer_timeout() { updataUiData(); changePointColor(); receiveInfo();//串口接收数据 } //1.串口初始化 //2.初始化combox控件选项 //3.检测串口初始是打开还是关闭状态，如果串口打开了，就给它关掉 #include "Widget.h" #include "ui_Widget.h" #include <QtSerialPort/QSerialPortInfo> #include <QtSerialPort/QSerialPort> #include <QMetaEnum> void Widget::portInit() { //查找可用串口 foreach (const QSerialPortInfo &info, QSerialPortInfo::availablePorts()) { ui->cmbPortNum->addItem(info.portName()); // QSerialPort serial; // serial.setPort(info); // if(serial.open(QIODevice::ReadWrite)) // { // ui->comboBoxPortNum->addItem(serial.portName()); // serial.close(); // } } //设置波特率选项 QMetaEnum baudRate = QMetaEnum::fromType<QSerialPort::BaudRate>(); for(int i = 0;i < baudRate.keyCount()-1;i++) { ui->cmbBaud->addItem(baudRate.key(i)); } //设置默认波特率为115200 ui->cmbBaud->setCurrentText(baudRate.valueToKey(QSerialPort::BaudRate::Baud115200)); //设置数据位选项 QMetaEnum dataBits =QMetaEnum::fromType<QSerialPort::DataBits>(); for(int i = 0;i< dataBits.keyCount()-1;i++) { ui->cmbDataBit->addItem(dataBits.key(i)); } //设置默认数据位为8位 ui->cmbDataBit->setCurrentText(dataBits.valueToKey(QSerialPort::DataBits::Data8)); //设置校验位 QMetaEnum parity = QMetaEnum::fromType<QSerialPort::Parity>(); for (int i = 0; i < parity.keyCount(); ++i) { ui->cmbParityBit->addItem(parity.key(i)); } //设置默认校验位为0 ui->cmbParityBit->setCurrentText(parity.valueToKey(QSerialPort::Parity::NoParity)); //设置停止位 QMetaEnum stopBits = QMetaEnum::fromType<QSerialPort::StopBits>(); for (int i = 0; i < stopBits.keyCount()-1; ++i) { ui->cmbStopBit->addItem(stopBits.key(i)); } //设置默认停止位为1 ui->cmbStopBit->setCurrentText(stopBits.valueToKey(QSerialPort::StopBits::OneStop)); if(serial->isOpen()) { serial->clear(); serial->close(); } } // //1.串口打开 //2.串口关闭 #include "Widget.h" #include "ui_Widget.h" #include <QtSerialPort/QSerialPortInfo> #include <QtSerialPort/QSerialPort> void Widget::on_btnPortStatus_clicked() { serial->clear(); serial->close(); if(!serial->isOpen()) { serial->setPortName(ui->cmbPortNum->currentText()); if(!serial->open(QIODevice::ReadWrite)) { ui->textEditRXD->append("串口打开失败！\n无此串口或者串口被占用.\n"); } else { ui->textEditRXD->append("串口打开成功!\n"); serial->setBaudRate(QSerialPort::Baud115200,QSerialPort::AllDirections); serial->setDataBits(QSerialPort::Data8); serial->setFlowControl(QSerialPort::NoFlowControl); serial->setParity(QSerialPort::NoParity); serial->setStopBits(QSerialPort::OneStop); // connect(serial,SIGNAL(readyRead()),this,SLOT(receiveInfo())); ui->btnPortStatus->setEnabled(false); ui->btnClosePort->setDisabled(false); } } fTimer->start();//串口数据接收定时器开启 } //关闭串口 void Widget::on_btnClosePort_clicked() { serial->clear(); serial->close(); ui->btnClosePort->setEnabled(false); ui->btnPortStatus->setDisabled(false); fTimer->stop();//串口数据接收定时器关闭 } #include "Widget.h" #include "ui_Widget.h" #include <QtSerialPort/QSerialPortInfo> #include <QtSerialPort/QSerialPort> //? void Widget::insertSendPointInfom(QString &m_sendDataStr, int m_count, QString m_color, int m_size, QString m_site) //发送指令， 第几个点， 颜色， 大小， 坐标 { QString m_pointInfom; m_sendDataStr = m_sendDataStr.remove(" ").remove(POINTSIZEDETASITE,COUNTPOINTSIZEDATA) .insert(POINTSIZEDETASITE,"0"+QString::number(m_size,16)); m_pointInfom = m_sendDataStr.mid(COORDINATESDATASITE+COUNTCOORDINATESDATA*(m_count-1),COUNTCOORDINATESDATA); m_pointInfom = m_pointInfom.remove(COLORSITE,1).insert(COLORSITE,m_color); m_pointInfom = m_pointInfom.remove(X_SITE,COUNTCOORDINATESDATA-1).insert(X_SITE,m_site); } //ok void Widget::insertSendPointInfom(QString &m_sendDataStr,int m_size) //发送指令， 大小 { if( m_size >= 15 ) { m_size = 15; } m_sendDataStr = m_sendDataStr.remove(" ").remove(POINTSIZEDETASITE,COUNTPOINTSIZEDATA) .insert(POINTSIZEDETASITE,"0"+QString::number(m_size,16)); } //ok void Widget::insertSendPointInfom(QString &m_sendDataStr, int m_count, QString m_color) //发送指令， 第几个点， 颜色 { m_sendDataStr = m_sendDataStr.remove(" ").remove(COORDINATESDATASITE+COUNTCOORDINATESDATA*(m_count-1),COLORCOUNT) .insert(COORDINATESDATASITE+COUNTCOORDINATESDATA*(m_count-1),m_color); } //? void Widget::insertSendPointInfom(QString &m_sendDataStr,QString m_site , int m_count) //发送指令， 坐标, 第几个点 { QString m_pointInfom; m_site.insert(SPACESITE,1); m_sendDataStr = m_sendDataStr.remove(" ").remove(COORDINATESDATASITE+COUNTCOORDINATESDATA*(m_count-1)+1,COUNTCOORDINATESDATA-1); m_pointInfom.remove(X_SITE,COUNTCOORDINATESDATA-1).insert(X_SITE,m_site); } include "Widget.h" #include "ui_Widget.h" #include <QtSerialPort/QSerialPortInfo> #include <QtSerialPort/QSerialPort> //测试模块 void Widget::on_btnTest_clicked() { //ctrlPoint(3,1,ui->hsldPointSize->value()); //QString str =ui->textEditTXD->toPlainText(); //(str); //ui->textEditRXD->append(str); // QString pointInfom; // points = ui->sbPoints->value(); // pointSize = ui->sbHsldPointSize->value(); // //ui->textEditRXD->append("测试"+rcvData_QStr+"point:"+QString::number(points)); // rcvDataHandle(rcvData_QStr,pointInfom,points); // if(judgementStandard(pointInfom,R_QUALIF_LUMINANCE,R_QUALIF_LUMINANCE_ERROR) == QUALIF) // { // ui->textEditRXD->append(pointInfom+"绿灯"); // } // else if(judgementStandard(pointInfom,R_QUALIF_LUMINANCE,R_QUALIF_LUMINANCE_ERROR) == DISQUALIF) // { // ui->textEditRXD->append(pointInfom+"红灯"); // } // else // { // ui->textEditRXD->append("未知"); // } // sendData_Str = sendData_Str.remove(" "); // insertSendPointInfom(sendData_Str,1,QString::number(GREENPOINT,16)); // ui->textEditTXD->setText(sendData_Str); // QString str = "000100010001"; // int i = judgementStandard(str,R_QUALIF_LUMINANCE,R_QUALIF_LUMINANCE_ERROR,1); // ui->textEditRXD->append(QString::number(i)); // ui->textEditRXD->append(QString::number(points)); QString pointInfom; if(rcvData_QStr.length()!=0) { rcvDataHandle(rcvData_QStr,pointInfom,points); judgementStandard(pointInfom,R_QUALIF_LUMINANCE,R_QUALIF_LUMINANCE_ERROR,points); } } #include "Widget.h" #include "ui_Widget.h" #include <QtSerialPort/QSerialPortInfo> #include <QtSerialPort/QSerialPort> void Widget::updataUiData() { points = ui->sbPoints->value(); pointSize = ui->sbHsldPointSize->value(); if(QString::compare(sendData_Str.remove(" "),ui->textEditTXD->toPlainText().remove(" ")) != 0) { insertSpaceDataHandle(sendData_Str); ui->textEditTXD->setText(sendData_Str); } if(rcvData_Byt.length()!=0) { rcvData_QStr = rcvData_Byt.toHex().toUpper().mid(8); insertSpaceDataHandle(rcvData_QStr.remove(" ")); ui->textEditRXD->append("#接收#："+rcvData_QStr+"\n"); //rcvData_QStr = rcvData_QStr.remove(" "); } } void Widget::on_hsldPoints_sliderReleased() { points = ui->hsldPoints->value(); } void Widget::on_hsldPointSize_sliderReleased() { pointSize = ui->hsldPointSize->value(); } //当输入文本框发生变化时sendData_Str的值发生变化 void Widget::on_textEditTXD_textChanged() { sendData_Str = ui->textEditTXD->toPlainText(); } //当点的大小发生变化时成员变量pointSize的值随之变化 void Widget::on_sbHsldPointSize_valueChanged(int arg1) { pointSize = ui->sbHsldPointSize->value(); } //当选中点序号发生变化时成员变量points的值随之变化 void Widget::on_sbPoints_valueChanged(int arg1) { points = ui->sbPoints->value(); } #include "Widget.h" #include "ui_Widget.h" #include <QPushButton> Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) { ui->setupUi(this); serial = new QSerialPort(); QString instructData = "00 11 22 33 44 08 f0 00 20 ee f0 ee 40 a4 f0 db 81 a4 00 d9 81 06 01 06 81 08 01 08 81 0a 01 0a 81 0c 01 0c 81 0e 01 0e 81 10 01 10 81 12 01 12 81 14 01 14 81 16 01 16 81 18 01 18 81 1a 01 1a 81 1c 01 1c 81 1e 01 1e 81 20 01 20 81 22 01 22 ee"; sendData_Str = instructData; portInit();//串口初始化 initTimer(100);//创建定时器，周期为100 /*************初始化控件*************/ //ui->btnTXD->setEnabled(false); //ui->btnTest->setVisible(false); ui->textEditTXD->setText(sendData_Str); ui->widget_6->setVisible(false); ui->widget_5->setVisible(false); ui->widget_3->setVisible(false); ui->widget_2->setVisible(false); ui->widget_6->setVisible(false); ui->sbPoints->setRange(1,18); ui->hsldPoints->setRange(1,18); ui->hsldPointSize->setRange(1,15); //ui->lblHsldPointSize->setNum(ui->hsldPointSize->value()); /**********************************/ } Widget::~Widget() { delete ui; delete serial; } void Widget::on_btnClear_clicked() { ui->textEditRXD->clear(); }

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