基于c51的ids4004报时上位机（c#）
小弟是初级的，希望高手们不吝指教http://www.ourdev.cn/bbs/bbs_content.jsp?bbs_sn=5385249&bbs_id=9999
设计图：
http://cache.amobbs.com/bbs_upload782111/files_51/ourdev_716107JYDDVS.jpg
(原文件名:串口通信.jpg)
效果图：http://cache.amobbs.com/bbs_upload782111/files_51/ourdev_716109IJT845.jpg
(原文件名:效果图.jpg)
实现代码：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO.Ports;
namespace WindowsFormsApplication1
{
public partial class MainFrm : Form
{
SerialPort sp =null;
bool isOpen = false;
bool isSetProperty = false;
public MainFrm()
{
InitializeComponent();
}
private void MainFrm_Load(object sender, EventArgs e)
{
this.MaximumSize = this.Size;
this.MinimumSize = this.Size;
this.MaximizeBox = false;
for (int i = 0; i < 16; i++)
{
cbxCOMPort.Items.Add("COM" + (i+1).ToString());
}
cbxCOMPort.SelectedIndex=0;
//列出常用的波特率
cbxBaudRate.Items.Add("600");
cbxBaudRate.Items.Add("1200");
cbxBaudRate.Items.Add("2400");
cbxBaudRate.Items.Add("4800");
cbxBaudRate.Items.Add("9600");
cbxBaudRate.Items.Add("14400");
cbxBaudRate.Items.Add("19200");
cbxBaudRate.Items.Add("28800");
cbxBaudRate.Items.Add("38400");
cbxBaudRate.Items.Add("43000");
cbxBaudRate.Items.Add("56000");
cbxBaudRate.Items.Add("57600");
cbxBaudRate.Items.Add("115200");
cbxBaudRate.Items.Add("128000");
cbxBaudRate.Items.Add("256000");
cbxBaudRate.SelectedIndex=4;
//列出停止位
cbxStopBits.Items.Add("1");
cbxStopBits.Items.Add("1.5");
cbxStopBits.Items.Add("2");
cbxStopBits.SelectedIndex=0;
//列出数据位
cbxDataBits.Items.Add("8");
cbxDataBits.Items.Add("7");
cbxDataBits.Items.Add("6");
cbxDataBits.Items.Add("5");
cbxDataBits.SelectedIndex=0;
//列出奇偶校验位
cbxParity.Items.Add("None");
cbxParity.Items.Add("Odd");
cbxParity.Items.Add("Even");
cbxParity.SelectedIndex = 0;
}
private void btnCheckCOM_Click(object sender, EventArgs e)
{ //检查串口
cbxCOMPort.Items.Clear();
for (int i = 0; i < 16; i++)
{
try
{
SerialPort sp = new SerialPort("COM" + (i + 1).ToString());
sp.Open();
sp.Close();
cbxCOMPort.Items.Add("COM" + (i + 1).ToString());
tbxRecvData.SelectionIndent = 3;
}
catch (Exception)
{
tbxRecvData.Text = "COM" + (i + 1).ToString() + "不可用";
continue;
}
}
}
private bool CheckPortSetting()
{//检查串口是否设置
if (cbxCOMPort.Text.Trim() == "") return false;
if (cbxBaudRate.Text.Trim() == "") return false;
if (cbxDataBits.Text.Trim() == "") return false;
if (cbxParity.Text.Trim() == "") return false;
if (cbxStopBits.Text.Trim() == "") return false;
return true;
}
private bool CheckSendData()
{
if (tbxSendData.Text.Trim() == "") return false;
return true;
}
private void SetPortProperty()
{//设置串口的属性
sp = new SerialPort();
sp.PortName = cbxCOMPort.Text.Trim();//设置串口名
//设置串口的波特率
sp.BaudRate = Convert.ToInt32(cbxBaudRate.Text.Trim());
//设置停止位
float f = Convert.ToSingle(cbxStopBits.Text.Trim());
if (f == 0)
{
sp.StopBits = StopBits.None;
}
else if (f == 1.5)
{
sp.StopBits = StopBits.OnePointFive;
}
else if (f == 1)
{
sp.StopBits = StopBits.One;
}
else if (f == 2)
{
sp.StopBits = StopBits.Two;
}
else
{
sp.StopBits = StopBits.One;
}
//设置数据位
sp.DataBits = Convert.ToInt16(cbxDataBits.Text.Trim());
//设置奇偶校验位
string s = cbxParity.Text.Trim();
if (s.CompareTo("None") == 0)
{
sp.Parity = Parity.None;
}
else if (s.CompareTo("Odd") == 0)
{
sp.Parity = Parity.Odd;
}
else if (s.CompareTo("Even") == 0)
{
sp.Parity = Parity.Even;
}
else
{
sp.Parity = Parity.None;
}
//设置超时读取时间
sp.ReadTimeout = -1;
//打开串口
try
{
sp.Open();
isOpen = true;
}
catch (Exception)
{
tbxRecvData.Text = "打开串口时发生错误";
}
}
private void btnExit_Click_Click(object sender, EventArgs e)
{
SerialPort sp = new SerialPort();
sp.Close();
this.Close();
}
private void btnSend_Click_Click(object sender, EventArgs e)
{
//发送串口数据
if (!CheckPortSetting())
{
MessageBox.Show("串口未设置！", "错误提示");
return;
}
if (!CheckSendData())
{
MessageBox.Show("请输入要发送的数据！", "错误提示");
return;
}
if (!isSetProperty)
{
SetPortProperty();
isSetProperty = true;
}
if (isOpen)
{//写串口数据
try
{
sp.Write(tbxSendData.Text);
}
catch (Exception)
{
tbxRecvData.Text = "发送数据时发生错误！";
return;
}
}
else
{
MessageBox.Show("串口未打开！", "错误提示");
return;
}
tbxSendData.Text = "";
}
private void tbxSendData_TextChanged(object sender, EventArgs e)
{
//………
} 回复【楼主位】myqq110
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不好意思，图发错了，
./emotion/em055.gif
效果图：
http://cache.amobbs.com/bbs_upload782111/files_51/ourdev_716110Q3288H.jpg
(原文件名:效果图 .jpg) 正在学习c#呢
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