///-----------------------------------------------------------------
/// <summary>
/// 对 象:FrmSCI:窗体
/// 事 件:Load
/// 功 能:执行加载窗体程序,自动获得串口号
/// 同时在标签LblSCI中显示串口相关信息
/// 函数调用:无
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <remarks></remarks>
///-----------------------------------------------------------------
private void FrmSCI_Load(object sender, EventArgs e)
{
//初始化时,按钮显示"打开串口(Open SCI)"
this.BtnSCISwitch.Text = "打开串口(Open SCI)";
this.CbSCIBaud.Enabled = true; //[波特率选择框]处于可用状态
this.CbSCIComNum.Enabled = true; //[串口选择框]处于可用状态
this.BtnSCISend.Enabled = false; //发送按钮处于不可用状态
//自动搜索串口,并将其加入到[串口选择框]中
int i;
string[] SCIPorts;
SCIPorts = SCI.SCIGetPorts();
this.CbSCIComNum.Items.Clear();//首先将现有的项清除掉
for (i = 0; i < SCIPorts.Length; i++)
{
//向[串口选择框]中添加搜索到的串口号
this.CbSCIComNum.Items.Add(SCIPorts[i]);
}
//设置各组合框的初始显示值
if (SCIPorts.Length > 0)
{
this.BtnSCISwitch.Enabled = true;
this.CbSCIBaud.SelectedIndex = 0;
this.CbSCIComNum.SelectedIndex = 0;
this.CbSCISendType.SelectedIndex = 0;
//设置初始的串口号与波特率
PublicVar.g_SCIComNum = this.CbSCIComNum.Text;
PublicVar.g_SCIBaudRate = int.Parse(this.CbSCIBaud.Text);
//显示当前串口信与状态信息
this.LblSCI.Text = str + PublicVar.g_SCIComNum + "、" +
PublicVar.g_SCIBaudRate + "\n" + msg;
this.TSSLState.Text = "无操作,请先选择波特率与串口号,打开串口," +
"然后发送数据";
}
else
{
this.TSSLState.Text = "没有可用的串口,请检查!";
this.BtnSCISwitch.Enabled = false;
}
}
///-----------------------------------------------------------------
/// <summary>
/// 对 象:BtnSCISwitch
/// 事 件:Click
/// 功 能:(1)当开关显示为打开串口(Open SCI),则单击时执行打开串口
/// 操作,并在标签LblSCI中显示选择的串口号与波特率,并在
/// 状态条文本TSSLState中显示当前操作
/// (2)当开关显示为关闭串口(Close SCI),则单击时执行关闭串口
/// 操作,并在标签LblSCI中显示关闭的串口号与波特率,并在
/// 状态条文本TSSLState中显示当前操作
/// 函数调用:(1)SCIInit:串口初始化
/// (2)SCIClose:关闭串口
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
///-----------------------------------------------------------------
private void BtnSCISwitch_Click(object sender, EventArgs e)
{
bool flag;//标记打开是否成功
//根据按钮BtnSCISwitch显示内容执行打开或关闭串口操作
if (this.BtnSCISwitch.Text.CompareTo("打开串口(Open SCI)") == 0)
{
//提示当前正在执行打开串口操作
this.TSSLState.Text = "过程提示:正在打开串口...";
//初始化SCI类对象sci
sci = new SCI(PublicVar.g_SCIComNum, PublicVar.g_SCIBaudRate);
if (sci.SCIOpen())//串口打开成功
{
//设置接收中断处理事件
sci.DataReceived += new System.IO.Ports.SerialDataReceivedEventHandler(this.SCIPort_DataReceived);
//设置每接收到1个字节中断1次
sci.SCIReceInt(1);
//显示打开串口相关信息
this.LblSCI.Text = str + PublicVar.g_SCIComNum + "、" + PublicVar.g_SCIBaudRate + "\n" + msg;
this.BtnSCISwitch.Text = "关闭串口(Close SCI)"; //修改按钮上文字
this.CbSCIComNum.Enabled = false; //禁用[串口选择框]
this.CbSCIBaud.Enabled = false; //禁用[波特率选择框]
//状态上显示结果信息
this.TSSLState.Text = this.TSSLState.Text +
"打开" + PublicVar.g_SCIComNum + "成功!" + "波特率选择：" + PublicVar.g_SCIBaudRate;
this.pictureBox1.Image = SerialPort.Properties.Resources.Run;
this.BtnSCISend.Enabled = true;
}
else//串口打开失败
{
this.TSSLState.Text = this.TSSLState.Text +
"打开" + PublicVar.g_SCIComNum + "失败!";
this.pictureBox1.Image = SerialPort.Properties.Resources.Run_static;
this.BtnSCISend.Enabled = false;
}
}
else if (this.BtnSCISwitch.Text == "关闭串口(Close SCI)")
{
//设置接收中断处理事件
sci.DataReceived -= new System.IO.Ports.SerialDataReceivedEventHandler(this.SCIPort_DataReceived);
//提示当前操作
this.TSSLState.Text = "过程提示:正在关闭串口...";
//执行关闭串口操作,并用Flag返回结果
flag = sci.SCIClose();
if (flag == true)
{
this.LblSCI.Text = str + PublicVar.g_SCIComNum
+ "、" + PublicVar.g_SCIBaudRate + "\n" + msg;
this.BtnSCISwitch.Text = "打开串口(Open SCI)";
//[串口选择框]处于可用状态
this.CbSCIComNum.Enabled = true;
//[波特率选择框]处于可用状态
this.CbSCIBaud.Enabled = true;
this.TSSLState.Text += "关闭" + PublicVar.g_SCIComNum + "成功!";
this.pictureBox1.Image = SerialPort.Properties.Resources.Run_static;
this.BtnSCISend.Enabled = false;
}
else//串口关闭失败
{
this.TSSLState.Text += "关闭" + PublicVar.g_SCIComNum + "失败!";
}
}
}
//========================以下是本窗体的各个事件响应函数==========================
//------------------------单击“检测PC节点”按钮----------------------------------
private void btnCheckPcNode_Click(object sender, EventArgs e)
{
//int ret; //返回值
//string com = ""; //串口信息
string sTemp = "";
//byte[] recv = null;//保存串口接收信息
//byte[] shake = { (byte)10, (byte)'s', (byte)'h', (byte)'a', (byte)'k', (byte)'e' }; //与终端握手帧数据
byte[] userShake = { (byte)11, (byte)'a', (byte)'u', (byte)'a', (byte)'r', (byte)'t', (byte)'?' }; //与终端握手帧数据
//byte[] send = { (byte)'S' };
string[] SCIPorts;
SCIPorts = SCI.SCIGetPorts();
this.Refresh(); //刷新显示
//if (emuart._Uartport != null) emuart._Uartport.Close();
//Thread.Sleep(10); //等待串口关闭
//emuart = EMUART.getInstance(); //每次“重新连接”重新实例化
//ret = emuart.findDevice(out com, 115200); //寻找emuart设备
//this.lbl_PC_Node_State.Text = com; //右上角显示区
//if (ret == 1) goto btn_uartcheck_Click_EXIT1;
////（4.2）找到串口，没有找到UE，退出函数
//else if (ret == 2) goto btn_uartcheck_Click_EXIT2;
//emuart.bufferClear(); //清除接收数组缓冲区
//emuart.send(shake, out recv, 200, 3); //获得设备的信息在recv中
//if (recv == null) goto btn_uartcheck_Click_EXIT3; //没有接收到设备返回消息
//if (recv.Length == Marshal.SizeOf(typeof(shakeData)))
//{
// //byte数组转结构体
// shakedata = (shakeData)bytesToStruct(recv, typeof(shakeData));
// //获取握手帧数据
// uecomType = Encoding.Default.GetString(shakedata.uecomType).Replace("\0", "");
// mcuType = Encoding.Default.GetString(shakedata.mcuType).Replace("\0", "");
// //设置设备信息
// sTemp = com + "：" + uecomType + " " + mcuType; //设备信息
// //状态提示
// this.lbl_PC_Node_State.Text = sTemp; //右上角显示区
// this.btnPnFlashErase.Enabled = true;
// this.btnPnFlashRead.Enabled = true;
// this.btnPnFlashReadAddr.Enabled = true;
// this.btnPnFlashWrite.Enabled = true;
//}
//else if (recv.Length == Marshal.SizeOf(typeof(newshakeData)))
//{
int i;
//byte数组转结构体
//newshakedata = (newshakeData)bytesToStruct(recv, typeof(newshakeData));
////获取握手帧数据
//uecomType = Encoding.Default.GetString(newshakedata.uecomType).Replace("\0", "");
//mcuType = Encoding.Default.GetString(newshakedata.mcuType).Replace("\0", "");
//设置设备信息
//sTemp = com + "：" + uecomType + " " + mcuType; //设备信息
if (sci != null && sci.IsOpen)
{
sci.Close();
}
//发送全局变量_SendByteArray中的数据,并返回结果
for (i = 0; i < SCIPorts.Length; i++)
{
//if (SCIPorts[i] == com) continue;
sci = new SCI(SCIPorts[i], 115200);
if (sci.SCIOpen())
{
//sci.SCISendData(ref send); //发送与Uart_User串口握手的数据信息
sci.SCISendFrameData(ref userShake);
Thread.Sleep(500);
if (sci.SCIReceiveData(ref recvData))
{
//MessageBox.Show(System.Text.Encoding.Default.GetString(recvData));
//if (recvData.Length == 0 || !System.Text.Encoding.Default.GetString(recvData).Contains("Yes,I am an emuart!!"))
//{
// this.tb_statue.Text = "未找到终端设备";
// //this.lbl_PC_Node_State.Text = "未找到终端设备";
// MessageBox.Show("检查UART_User(KL36:UART0)串口有无接好");
// this.btnPnFlashErase.Enabled = false;
// this.btnPnFlashRead.Enabled = false;
// this.btnPnFlashReadAddr.Enabled = false;
// this.btnPnFlashWrite.Enabled = false;
// sci.Close();
// continue;
//}
if (System.Text.Encoding.Default.GetString(recvData).Contains("Yes,I am an emuart!!")) //记录UART_User串口的Com号
{
string retInfo = System.Text.Encoding.Default.GetString(recvData);
this.tb_statue.Text = "找到终端设备";
//this.lbl_PC_Node_State.Text = "连接终端在" + PublicVar.g_SCIComNum;
PublicVar.g_SCIComNum = SCIPorts[i];
this.btnPnFlashErase.Enabled = true;
this.btnPnFlashRead.Enabled = true;
this.btnPnFlashReadAddr.Enabled = true;
this.btnPnFlashWrite.Enabled = true;
//sTemp = retInfo.Substring(retInfo.IndexOf('.') + 1, retInfo.Length - retInfo.IndexOf('.') - 1);
//sTemp = retInfo.Substring(retInfo.IndexOf('!') + 2, retInfo.Length - retInfo.IndexOf('!') - 2);
sTemp = retInfo.Substring(retInfo.IndexOf('!') + 2, 19);
//sTemp = retInfo.Substring(retInfo.IndexOf('.') + 1, retInfo.Length - retInfo.IndexOf('.') - 1);
this.lbl_PC_Node_State.Text = SCIPorts[i] + "：" + sTemp; //右上角显示区
//this.lbl_PC_Node_State.Text = sTemp; //右上角显示区
break; //找到后UART_User串口后，跳出循环
}
}
}
}
if (i == SCIPorts.Length)
{
this.tb_statue.Text = "未找到终端设备";
MessageBox.Show("检查UART_User(KL36:UART0)串口有无接好");
this.btnPnFlashErase.Enabled = false;
this.btnPnFlashRead.Enabled = false;
this.btnPnFlashReadAddr.Enabled = false;
this.btnPnFlashWrite.Enabled = false;
sci.Close();
}
//状态提示
//}
//else goto btn_uartcheck_Click_EXIT3; //接收到错误返回
////(5)退出区
////(5.1)退出函数
//btn_uartcheck_Click_EXIT:
// btnCheckPcNode.Enabled = true;
// return;
////(5.2)不存在可用串口
//btn_uartcheck_Click_EXIT1:
// btnCheckPcNode.Text = "运行状态：当前不存在可用串口"; //右上角提示区
// this.btnPnFlashErase.Enabled = false;
// this.btnPnFlashRead.Enabled = false;
// this.btnPnFlashReadAddr.Enabled = false;
// this.btnPnFlashWrite.Enabled = false;
// goto btn_uartcheck_Click_EXIT;
////(5.3)存在串口，但不存在emuar设备
//btn_uartcheck_Click_EXIT2:
// emuart.terminate(115200); //发送数据给终端设备，让终端设备清空其数据缓冲区
// btnCheckPcNode.Text = "重新连接"; //连接按键文本
// lbl_PC_Node_State.Text = "运行状态：已连接串口" + com + "但未找到设备"; //右上角提示区
// this.btnPnFlashErase.Enabled = false;
// this.btnPnFlashRead.Enabled = false;
// this.btnPnFlashReadAddr.Enabled = false;
// this.btnPnFlashWrite.Enabled = false;
// goto btn_uartcheck_Click_EXIT;
//(5.4)没有正确接收到设备返回消息
//btn_uartcheck_Click_EXIT3:
// emuart.terminate(115200); //发送数据给终端设备，让终端设备清空其数据缓冲区
// btnCheckPcNode.Text = "重新连接"; //连接按钮文本
// lbl_PC_Node_State.Text = "找到GEC在" + com + "但握手失败，请再次单击[重新连接]按钮"; //右上角提示区
// this.btnPnFlashErase.Enabled = false;
// this.btnPnFlashRead.Enabled = false;
// this.btnPnFlashReadAddr.Enabled = false;
// this.btnPnFlashWrite.Enabled = false;
// goto btn_uartcheck_Click_EXIT;
}