serailport.cpp 1.6 KB

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  1. #include "serailport.h"
  2. #include<iostream>
  3. using namespace std;
  4. SerailPort::SerailPort(QObject *parent) : QObject(parent)
  5. {
  6. serial = new QSerialPort();
  7. }
  8. QStringList SerailPort::getAllPorts()
  9. {
  10. QStringList list;
  11. QList<QSerialPortInfo> postList = QSerialPortInfo::availablePorts();
  12. for (auto &var:postList) {
  13. if(!var.isBusy()) //不添加繁忙的串口
  14. {
  15. list.append(var.portName());
  16. //list.append(var.portName()+":"+var.description());
  17. }
  18. }
  19. return list;
  20. }
  21. void SerailPort::readyRead()
  22. {
  23. #if 1
  24. QByteArray recArray = serial->readAll();
  25. QString str = QString::fromLocal8Bit(recArray.trimmed());
  26. printf("\r\n");
  27. std::cout <<str.toStdString()<< endl;//必须加endl才能输出
  28. // pRecvLineEdit->setText(str);
  29. str += " OK!";
  30. QByteArray sendArray = str.toLatin1();
  31. serial->write(sendArray);
  32. printf("\r\n");
  33. #endif
  34. #if 0
  35. QByteArray recArray = serial->readAll();
  36. recArray = recArray.toHex();
  37. int length=recArray.length();
  38. for(int i=0;i<=length/2;i++)
  39. {
  40. //recArray.insert(2+3*i,' ');
  41. }
  42. QString str = QString::fromLocal8Bit(recArray.trimmed());
  43. printf("\r\n");
  44. std::cout <<str.toStdString()<< endl;//必须加endl才能输出
  45. printf("\r\n");
  46. // for (int i = 0; i < recArray.size(); i++) {
  47. // char tmp = recArray[i];
  48. // std::cout <<tmp<< endl;//必须加endl才能输出
  49. // }
  50. #endif
  51. }
  52. void SerailPort::sendtext(QString strsend)
  53. {
  54. QByteArray sendArray = strsend.toLatin1();
  55. serial->write(sendArray);
  56. }