QT下无驱串口开发ESC-POS热敏打印机

#include "commcontrol.h" enum Excep { EXCEP_ONE, EXCEP_TWO }; CommControl::CommControl() { serialPort=new QSerialPort; stopped=false; if(stopped&&com_opened) { serialPort->close(); com_opened=false; } if(!com_opened) { //open com // qDebug() << "Brush:" <<"---open com port------"; com_opened=true; serialPort->setPortName("COM1"); serialPort->open(QIODevice::ReadWrite); serialPort->setBaudRate(19200); serialPort->setDataBits(QSerialPort::Data8); serialPort->setParity(QSerialPort::NoParity); serialPort->setStopBits(QSerialPort::OneStop); // my_serialport->setStopBits(QSerialPort::TwoStop); serialPort->setFlowControl(QSerialPort::NoFlowControl); com_opened=true; SetNormalFont(); } } bool CommControl::Dispose() {\ bool Result = true; if (serialPort->isOpen()) { try { serialPort->close(); delete serialPort; //serialPort-> } catch(Excep ex) { Result = false; } } return Result; } bool CommControl::IsOpen() { bool Result = false; // serialPort.Encoding = System.Text.Encoding.GetEncoding("GB2312"); if (serialPort->isOpen()) Result = true; return Result; } bool CommControl::Write(QByteArray bdata) { try { if (IsOpen()) { serialPort->write(bdata); serialPort->waitForBytesWritten(-1); qDebug()<<"send success"; return true; } else { return false; } } catch(Excep ex) { return false; } } bool CommControl::Write(QString Data) { try { if (IsOpen()) { QByteArray bData = Data.toLocal8Bit(); Write(bData); return true; } else { return false; } } catch(Excep ex) { return false; } } bool CommControl::WriteLine(QString Data) { bool Result = Write(Data); if (Result) Result = NewRow(); return Result; } bool CommControl::PrintLine() { return WriteLine("============================================="); } bool CommControl::NewRow() { QByteArray temp; temp.resize(1); temp[0]=0x0A; return Write(temp); } bool CommControl::NewRow(int iRow) { bool Result = false; for (int i = 0; i < iRow; i++) { Result = NewRow(); if (!Result) break; } return Result; } bool CommControl::CutPaper() { QByteArray temp; temp.resize(3); temp[0]=0x1D; temp[1]=0x56; temp[2]=0x00; qDebug()<<temp; return Write(temp); } bool CommControl::SetNormalFont() { if (!IsOpen()) return false; QByteArray temp; try { //1D, 50 设置横向和纵向移动单位 temp.resize(4); temp[0]=0x1D; temp[1]=0x50; temp[2]=0xB4; temp[3]=0xB4; serialPort->write(temp); //1B, 53 选择标准模式 temp.resize(2); temp[0]=0x1B; temp[1]=0x53; serialPort->write(temp); //1B, 20 设置字符右间距 temp.resize(3); temp[0]=0x1B; temp[1]=0x20; temp[2]=0x00; serialPort->write(temp); //设置汉字字符左右间距 temp.resize(4); temp[0]=0x1C; temp[1]=0x53; temp[2]=0x00; temp[3]=0x00; serialPort->write(temp); //1D 42 是否反选打印 01反选/00取消 temp.resize(3); temp[0]=0x1D; temp[1]=0x42; temp[2]=0x00; serialPort->write(temp); //1B 45 选择/取消加粗模式 01选择/00取消//////////// //temp = { 0x1B, 0x45, 0x00 }; //serialPort->write(temp); //1B 7B 选择/取消倒置打印模式 01选择/00取消 temp.resize(3); temp[0]=0x1B; temp[1]=0x7B; temp[2]=0x00; serialPort->write(temp); //1B 2D 设置/取消下划线 01设置/00取消 temp.resize(3); temp[0]=0x1B; temp[1]=0x2D; temp[2]=0x00; serialPort->write(temp); //1B 2D 设置/取消汉字下划线 01设置/00取消 temp.resize(3); temp[0]=0x1C; temp[1]=0x2D; temp[2]=0x00; serialPort->write(temp); //选择取消顺时针旋转90度 01选择 00取消 temp.resize(3); temp[0]=0x1B; temp[1]=0x56; temp[2]=0x00; serialPort->write(temp); //1B 45 选择/取消加粗模式 01选择/00取消 temp.resize(3); temp[0]=0x1B; temp[1]=0x45; temp[2]=0x00; serialPort->write(temp); //1B 24 设置绝对打印位置 temp.resize(4); temp[0]=0x1B; temp[1]=0x24; temp[2]=0x00; temp[3]=0x00; serialPort->write(temp); //1B, 33 设置行高, 18个像素 temp.resize(3); temp[0]=0x1B; temp[1]=0x33; temp[2]=0x20; serialPort->write(temp); //1B 4D 选择字体 03为汉字字体///////// temp.resize(3); temp[0]=0x1B; temp[1]=0x4D; temp[2]=0x00; serialPort->write(temp); //1D 21 选择字体大小,默认 temp.resize(3); temp[0]=0x1D; temp[1]=0x21; temp[2]=0x00; serialPort->write(temp); return true; } catch(Excep ex) { return false; } } bool CommControl::WriteBigLine(QString Data) { bool Result = true; //Result = SetNormalFont(); if (!Result) return Result; try { QByteArray temp; //1B, 33 设置行高, 54个像素 temp.resize(3); temp[0]=0x1B; temp[1]=0x33; temp[2]=0x48; serialPort->write(temp); serialPort->waitForBytesWritten(-1); //1B 4D 选择字体 03为汉字字体 temp.resize(3); temp[0]=0x1B; temp[1]=0x4D; temp[2]=0x03; serialPort->write(temp); serialPort->waitForBytesWritten(-1); //横向放大和纵向放大不可同时作用 //1D 21 选择字体大小,横向放大1倍 //temp = { 0x1D, 0x21, 0x10 }; //serialPort->write(temp); //1D 21 选择字体大小,纵向放大1倍 temp.resize(3); temp[0]=0x1D; temp[1]=0x21; temp[2]=0x33; serialPort->write(temp); serialPort->waitForBytesWritten(-1); //1B 45 选择/取消加粗模式 01选择/00取消 temp.resize(3); temp[0]=0x1B; temp[1]=0x45; temp[2]=0x01; serialPort->write(temp); serialPort->waitForBytesWritten(-1); Write(Data); Result = true; } catch(Excep ex) { Result = false; } Result = SetNormalFont(); if (Result) Result = NewRow(); return Result; } bool CommControl::WriteLittleBigLine(QString Data) { bool Result = true; //Result = SetNormalFont(); if (!Result) return Result; try { QByteArray temp; //1B, 33 设置行高, 54个像素 temp.resize(3); temp[0]=0x1B; temp[1]=0x33; temp[2]=0x48; serialPort->write(temp); serialPort->waitForBytesWritten(-1); //1B 4D 选择字体 03为汉字字体 temp.resize(3); temp[0]=0x1B; temp[1]=0x4D; temp[2]=0x03; serialPort->write(temp); serialPort->waitForBytesWritten