private void serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e) //接收中断事件
{
System.Threading.Thread.Sleep(100); //延时100ms，等待缓冲区被写入数据
//this.Invoke是跨线程访问UI的方法
this.Invoke((EventHandler)(delegate
{
//检验数据格式
if (radioButton_disHEX.Checked)
{
isDisHEX = true;
isDisASCII = false;
}
else if (radioButton_disASCII.Checked)
{
isDisHEX = false;
isDisASCII = true;
}
if (isDisHEX == false || isDisASCII == true) //以ASCII方式处理数据
{
richTextBox_Receive.SelectionColor = Color.Red;
richTextBox_Receive.AppendText( "<Recv>: " + serialPort.ReadLine() + "\r\n");//以ASCII方式显示数据
}
else //以HEX方式处理数据
{
Byte[] recvStr = new Byte[serialPort.BytesToRead]; //recvStr用于接收字节数据
float[] recvF = new float[serialPort.BytesToRead];
serialPort.Read(recvStr, 0, recvStr.Length);
string recvStrText = null; //声明数组存储接收数据
for (int i = 0; i < recvStr.Length - 1; i++)
{
recvF[i] = Convert.ToSingle(recvStr[i]);
//recvStrText += ("0x" + recvStr[i].ToString("X2") + " ");
}
for (int i = 0; i < recvStr.Length - 1; i++)
{
recvStrText += (recvF[i].ToString() + " ");
}
richTextBox_Receive.SelectionColor = Color.Red;
richTextBox_Receive.AppendText( "<Recv>: " + recvStrText + "\r\n" );
}
serialPort.DiscardInBuffer();//清空缓冲区
}
));
}
private void serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e) //串口接收事件(等待重写)
{
System.Threading.Thread.Sleep(10); //延时50ms，等待缓冲区被写入数据
string recvStr = serialPort.ReadLine(); //recvStr用于接收字节数据
string[] temp = new string[11] { "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0" };
temp = recvStr.Split('#');
FrameAcquaint(temp, ref Statue);
serialPort.DiscardInBuffer(); //清空缓冲区
}
private void serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e) //串口接收事件(等待重写)
{
System.Threading.Thread.Sleep(10); //延时50ms，等待缓冲区被写入数据
this.Invoke((EventHandler)(delegate
{
string recvStr = serialPort.ReadLine(); //recvStr用于接收字节数据
string[] temp = new string[11] { "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0" };
temp = recvStr.Split('#');
FrameAcquaint( temp, ref Statue);
serialPort.DiscardInBuffer(); //清空缓冲区
}
));
}
//设置超时读取时间
serialPort.ReadTimeout = -1;
//缓冲区有数据时（即触发接收时间）
serialPort.ReceivedBytesThreshold = 100;
serialPort.ReadBufferSize = 4096;
System.Threading.Thread.Sleep(10); //延时50ms，等待缓冲区被写入数据
this.Invoke((EventHandler)(delegate
{
string recvStr = serialPort.ReadLine(); //recvStr用于接收字节数据
string[] temp = new string[11] { "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0" };
temp = recvStr.Split('#');
FrameAcquaint( temp, ref Statue);
serialPort.DiscardInBuffer(); //清空缓冲区
}
));
Byte[] recvStr = new Byte[serialPort.BytesToRead]; //recvStr用于接收字节数据
int len = serialPort.Read(recvStr, 0, recvStr.Length);
，多谢指教
