mycom.rar_Qt 串口

/**************************************************************************** ** Form implementation generated from reading ui file 'Form1.ui' ** ** Created: 五 5月 11 18:42:26 2012 ** by: The User Interface Compiler ($Id: qt/main.cpp 3.1.1 edited Nov 21 17:40 $) ** ** WARNING! All changes made in this file will be lost! ****************************************************************************/ #include "Form1.h" #include <qvariant.h> #include <qlabel.h> #include <qlineedit.h> #include <qpushbutton.h> #include <qlayout.h> #include <qtooltip.h> #include <qwhatsthis.h> #include "com.h" #include <string.h> #include <stdlib.h> #include "Form2.h" class QListBox; int speed_arr[]={B115200,B57600,B38400,B19200,B9600,B4800,B2400,B1200,B300}; int name_arr[]={115200,57600,38400,19200,9600,4800,2400,1200,300}; /* * Constructs a Form1 as a child of 'parent', with the * name 'name' and widget flags set to 'f'. */ Form1::Form1( QWidget* parent, const char* name, WFlags fl ) : QWidget( parent, name, fl ) { if ( !name ) setName( "Form1" ); create_COMSetting(); PushButton1 = new QPushButton( this, "PushButton1" ); PushButton1->setGeometry( QRect( 90, 50, 108, 32 ) ); QObject::connect(PushButton1, SIGNAL(clicked()), this, SLOT(Set_COM())); TextLabel1_2 = new QLabel( this, "TextLabel1_2" ); TextLabel1_2->setGeometry( QRect( 50, 90, 61, 20 ) ); PushButton1_2_2 = new QPushButton( this, "PushButton1_2_2" ); PushButton1_2_2->setGeometry( QRect( 130, 170, 70, 32 ) ); QObject::connect(PushButton1_2_2, SIGNAL(clicked()), this, SLOT(Clear())); PushButton1_2_3 = new QPushButton( this, "PushButton1_2_3" ); PushButton1_2_3->setGeometry( QRect( 220, 170, 70, 32 ) ); QObject::connect(PushButton1_2_3, SIGNAL(clicked()), this, SLOT(Quit())); QObject::connect(COM_Setting->PushButton5, SIGNAL(clicked()), COM_Setting, SLOT(Set_COM_Back())); PushButton1_2 = new QPushButton( this, "PushButton1_2" ); PushButton1_2->setGeometry( QRect( 30, 170, 70, 32 ) ); QObject::connect(PushButton1_2, SIGNAL(clicked()), this, SLOT(exitMain())); TextLabel1 = new QLabel( this, "TextLabel1" ); TextLabel1->setGeometry( QRect( 30, 10, 61, 20 ) ); LineEdit1 = new QLineEdit( this, "LineEdit1" ); LineEdit1->setGeometry( QRect( 30, 120, 250, 23 ) ); languageChange(); resize( QSize(312, 224).expandedTo(minimumSizeHint()) ); } /* * Destroys the object and frees any allocated resources */ Form1::~Form1() { // no need to delete child widgets, Qt does it all for us } /* * Sets the strings of the subwidgets using the current * language. */ void Form1::Set_COM() { COM_Setting->show(); } void Form1::exitMain() { int fd,nset; int nwrite; char *dev="/dev/ttySAC0"; fd=OpenDev(dev); Speed=COM_Setting->Speed_COM; Databits=COM_Setting->Databits_COM; if(fd>0) { set_speed(fd,Speed); nset=set_Parity(fd,Databits,1,'N'); } QString str2=LineEdit1->text(); int lenbuff2=str2.length(); const char *buff2; if(lenbuff2<=0) { buff2="(NO COMMENT INPUTTED)"; lenbuff2=20; } else buff2=str2.latin1(); while((nwrite=write(fd,buff2,lenbuff2)<=0)) {;}; ::close(fd); } void Form1::Clear() { LineEdit1->clear(); } void Form1::Quit() { //QApplication::exit(); } void Form1::create_COMSetting() { COM_Setting = new Form2; COM_Setting -> hide(); } void Form1::languageChange() { setCaption( tr( "Form1" ) ); PushButton1->setText( tr( "Set COM" ) ); TextLabel1_2->setText( tr( "Input->" ) ); PushButton1_2_2->setText( tr( "Clear" ) ); PushButton1_2_3->setText( tr( "Quit" ) ); PushButton1_2->setText( tr( "Send" ) ); TextLabel1->setText( tr( "Setting->" ) ); } void set_speed(int fd, int speed) { unsigned int i; int status; struct termios Opt; tcgetattr(fd, &Opt); for (i=0;i<sizeof(speed_arr)/sizeof(int); i++) { if(speed == name_arr[i]) { tcflush(fd, TCIOFLUSH); cfsetispeed(&Opt, speed_arr[i]); cfsetospeed(&Opt, speed_arr[i]); status = tcsetattr(fd, TCSANOW, &Opt); if (status != 0) perror("tcsetattr fd1"); return; } tcflush(fd, TCIOFLUSH); } } int set_Parity(int fd, int databits, int stopbits, int parity) { struct termios options; if(tcgetattr(fd,&options)!=0) { perror("SetupSerial 1"); return(false); } options.c_cflag &= ~CSIZE; switch (databits) { case 7: options.c_cflag |= CS7; break; case 8: options.c_cflag |= CS8; break; default: fprintf(stderr, "Unsupported data size\n"); return (false); } switch(parity) { case 'n': case 'N': options.c_cflag &= ~PARENB; options.c_iflag &= ~INPCK; break; case 'o': case 'O': options.c_cflag |= (PARODD | PARENB); options.c_iflag |= INPCK; break; case 'e': case 'E': options.c_cflag |= PARENB; options.c_cflag |= ~PARODD; options.c_iflag |= INPCK; break; case 'S': case 's': options.c_cflag &= ~PARENB; options.c_cflag &= ~CSTOPB; break; default: fprintf(stderr, "Unsupported parity\n"); return (false); } switch (stopbits) { case 1: options.c_cflag &= ~CSTOPB; break; case 2: options.c_cflag |= CSTOPB; break; default: fprintf(stderr, "Unsupported stop bits\n"); return (false); } if (parity != 'n') options.c_iflag |= INPCK; options.c_cc[VTIME] = 150; options.c_cc[VMIN] = 0; tcflush(fd, TCIFLUSH); if (tcsetattr(fd, TCSANOW, &options) !=0 ) { perror("SetupSerial 3"); return (false); } return (true); } int OpenDev(char *Dev) { int fd = open(Dev, O_RDWR); if (-1 == fd) { perror("Can not Open Serial Port"); return -1; } else return fd; }