private static bool SendData(byte[] data, int length)
{
if (ComDevice.IsOpen)
{
try
{
ComDevice.Write(data, 0, length);//发送数据
return(true);
}
catch (Exception ex)
{
if (sendDataError != null)
{
sendDataError(ex.Message);
}
}
}
return(false);
}
// connect to a shimmer, comPort must be set
public void Connect()
{
selectedItem = deviceDropdown.SelectedDevice;
if (selectedItem == null)
{
Debug.Log("NO DEVICE SELECTED!");
return;
}
Debug.Log("CONNECT AND STREAM CLICKED");
this.comPort = selectedItem.ComPort.ToString();
Debug.Log("USING COM" + this.comPort);
txtOutput.text = "Connecting...";
sc = new ShimmerController(this);
txtOutput.text += "\nTrying to connect on COM" + this.comPort;
sc.Connect("COM" + this.comPort);
IsConnecting = true;
}
public bool SendData(byte[] data)
{
if (ComDevice.IsOpen)
{
try
{
ComDevice.Write(data, 0, data.Length);//发送数据
return(true);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
//MessageBox.Show("串口未打开", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
AddContent("串口未打开\r\n");
}
return(false);
}
/// <summary>
/// 串口接收中断处理函数
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Com_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
if (ComDevice.IsOpen)
{
try
{
//ShowMsg("接收成功");
int Rx_Length = ComDevice.BytesToRead; //要接收的数据长度
byte[] RxBuffer = new byte[Rx_Length]; //接收数据数组
ComDevice.Read(RxBuffer, 0, Rx_Length);
for (int i = 0; i < Rx_Length; i++)
{
ReceiveAndCheck(RxBuffer[i]);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
/// <summary>
/// 打开串口
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Btn_Open_Click(object sender, EventArgs e)
{
if (ComDevice.IsOpen == false)
{
try
{
string[] portList = SerialPort.GetPortNames();
if (portList.Length > 0)
{
ComDevice.PortName = portList[0];
}
//打开串口
ComDevice.Open();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
Btn_Open.Text = "关闭串口";
Lab_Flag.BackColor = Color.Green; //标志显示绿色，表示串口已成功打开
}
else
{
try
{
ComDevice.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
Btn_Open.Text = "打开串口";
Lab_Flag.BackColor = Color.Red; //标识显示红色，表示串口未打开
}
}
private void Com_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
byte[] ReDatas = new byte[ComDevice.BytesToRead];
ComDevice.Read(ReDatas, 0, ReDatas.Length); //读取数据
this.AddData(ReDatas); //输出数据
}
private void btnOpen_Click_1(object sender, EventArgs e)
{
if (ComDevice.IsOpen == false)
{
ComDevice.PortName = cbbComList.Text;// cbbComList.SelectedItem.ToString();
ComDevice.BaudRate = Convert.ToInt32(cbbbaut.Text);
if (ccbEO.Text == "无")
{
ComDevice.Parity = Parity.None; //(Parity)Convert.ToInt32(cbbParity.SelectedIndex.ToString());
}
else if (ccbEO.Text == "偶")
{
ComDevice.Parity = Parity.Even;
}
else if (ccbEO.Text == "奇")
{
ComDevice.Parity = Parity.Odd;
}
else if (ccbEO.Text == "0")
{
ComDevice.Parity = Parity.Space;
}
else
{
ComDevice.Parity = Parity.Mark;
}
ComDevice.DataBits = Convert.ToInt16(ccbDb.Text);//Convert.ToInt32(cbbDataBits.SelectedItem.ToString());
if (cbbStp.Text == "1")
{
ComDevice.StopBits = StopBits.One;// 1;//(StopBits)Convert.ToInt32(cbbStopBits.SelectedItem.ToString());
}
else if (cbbStp.Text == "1.5")
{
ComDevice.StopBits = StopBits.OnePointFive;
}
else if (cbbStp.Text == "2")
{
ComDevice.StopBits = StopBits.Two;
}
else
{
ComDevice.StopBits = StopBits.None;
}
try
{
ComDevice.Open();
btnSnd.Enabled = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
btnOpen.Text = "关闭串口";
// pictureBox1.BackgroundImage = Properties.Resources.green;
}
else
{
try
{
ComDevice.Close();
btnSnd.Enabled = false;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
btnOpen.Text = "打开串口";
//pictureBox1.BackgroundImage = Properties.Resources.red;
}
}
