127 lines
4.3 KiB
C++
127 lines
4.3 KiB
C++
//serial.h的具体实现，要注意的地方是数据类型的转换,QLineEdit的text().toASCII返回的是QByteArray,而PortSend要发送的是
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//char类型的数据，所以就需要转换，在Qt中使用.data()就可以实现转换。还有要注意的地方就是QSocketNotifier不要忘记添加了。
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#include "serial.h"
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portinfo_t portinfo = {
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'0', // print prompt after receiving
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115200, // baudrate: 115200
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'8', // databit 8
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'0', // debug: off
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'0', // echo off
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'0', // flow control: software
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'0', // default tt: SAC0
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'0', // parity: none
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'1', // stopbit: 1
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0 // reserved
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};
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/*
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typedef struct //define the uart value struct
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{
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char prompt; //prompt after reciving data
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int baudrate; //baudrate
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char databit; //data bits, 5, 6, 7, 8
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char debug; //debug mode, 0: none, 1: debug
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char echo; //echo mode, 0: none, 1: echo
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char fctl; //flow control, 0: none, 1: hardware, 2: software
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char tty; //tty: 0, 1, 2, 3, 4, 5, 6, 7
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char parity; //parity 0: none, 1: odd, 2: even
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char stopbit; //stop bits, 1, 2
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//const int reserved; //reserved, must be zero
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int reserved; //reserved, must be zero
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}portinfo_t;
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*/
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static int serial_fd;
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char databuffer[20];
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int datalen;
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serial::serial(QWidget *parent)
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: QWidget(parent)
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{
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// layout();//lay out
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// open_button->setEnabled(true);
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// close_button->setEnabled(false);
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// send_button->setEnabled(false);
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// connect(open_button,SIGNAL(clicked()),this,SLOT(open_serial()));
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// connect(close_button,SIGNAL(clicked()),this,SLOT(close_serial()));
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// connect(send_button,SIGNAL(clicked()),this,SLOT(send_setial()));
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QSocketNotifier *notifier=new QSocketNotifier(serial_fd,QSocketNotifier::Read,this);
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connect(notifier,SIGNAL(activated(int)),this,SLOT(read_serial()));
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read_serial();
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}
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serial::~serial()
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{
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}
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void serial::init_serial( int baudrate, int portNumber,int stopbit )
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{
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portinfo.baudrate = baudrate;
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portinfo.tty = portNumber+'0';
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portinfo.stopbit = stopbit+'0';
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portinfo.fctl = '0';
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}
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void serial::open_serial()
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{
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serial_fd=PortOpen(&portinfo);
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if(serial_fd<0)
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{
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perror("Error:open serial port error");
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//exit(1);
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}
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PortSet(serial_fd,&portinfo);
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QSocketNotifier *notifier=new QSocketNotifier(serial_fd,QSocketNotifier::Read,this);
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connect(notifier,SIGNAL(activated(int)),this,SLOT(read_serial()));
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read_serial();
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}
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void serial::close_serial()
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{
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PortClose(serial_fd);
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}
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void serial::read_serial()
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{
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datalen=PortRecv(serial_fd,databuffer,10,115200);
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//textbrowser->insertPlainText(databuffer);
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qDebug()<<"read:"<<datalen;
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}
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void serial::send_serial(char *buf,int len)
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{
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PortSend(serial_fd,buf,len);
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}
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//void serial::layout()
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//{
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// label1=new QLabel("Receive:");
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// label2=new QLabel("Send:");
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// open_button=new QPushButton("Open");
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// close_button=new QPushButton("Close");
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// send_button=new QPushButton("Send");
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// textbrowser=new QTextBrowser(this);
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// lineedit=new QLineEdit;
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// lineedit->setText("123489");
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// QVBoxLayout *vlayout1=new QVBoxLayout;
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// vlayout1->addWidget(label1);
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// vlayout1->addWidget(textbrowser);
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// vlayout1->addWidget(label2);
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// QVBoxLayout *vlayout3=new QVBoxLayout;
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// vlayout3->addWidget(open_button);
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// vlayout3->addWidget(close_button);
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// QHBoxLayout *hlayout2=new QHBoxLayout;
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// hlayout2->addLayout(vlayout1);
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// hlayout2->addLayout(vlayout3);
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// QHBoxLayout *hlayout1=new QHBoxLayout;
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// hlayout1->addWidget(lineedit);
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// hlayout1->addWidget(send_button);
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// QVBoxLayout *vlayout2=new QVBoxLayout;
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// vlayout2->addLayout(hlayout2);
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// vlayout2->addLayout(hlayout1);
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// setLayout(vlayout2);
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//}
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//总结：总算完成了，前后花了两天的时候，很高兴的是自己没有放弃。至于这个串口的QT有什么用，那作用老大了，以前我用VB写过环境
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//监控系统，在PC端实现的，低下用的是ADUC824，那代码，叫宏伟啊。Qt就简单多了（站在巨人的肩膀上）。有了UART的通信，一些
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//控制类的东西都可以实现了，而且界面还可以做得要多漂亮就有多漂亮（看个人的了）。
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