private void port_DataReceived(object sender, SerialDataReceivedEventArgs e)//串口数据接收事件
{
try
{
if (TEXTbutton.Checked)//文本模式
{
int ilen = serialPort1.BytesToRead;
byte[] bytes = new byte[ilen];
serialPort1.Read(bytes, 0, ilen);
string str = System.Text.Encoding.Default.GetString(bytes);
portTextOut.AppendText(GetTimeStamp() + " " + str + "\r\n");
}
else if (HEXbutton.Checked)//16进制模式
{
int ilen = serialPort1.BytesToRead;
byte[] bytes = new byte[ilen];
serialPort1.Read(bytes, 0, ilen);
portTextOut.AppendText(GetTimeStamp());
for (int i = 0; i < ilen; i++)
{
string str = Convert.ToString(bytes[i], 16).ToUpper();
portTextOut.AppendText(" 0x" + (str.Length == 1 ? "0" + str : str) + " ");//空位补“0”
}
portTextOut.AppendText("\r\n");
}
}
catch
{
InforOut.AppendText(GetTimeStamp() + " 串口接收数据出错 " + "\r\n");
}
}
private void connect_Click(object sender, EventArgs e)
{
if (connect.Text == "连接")
{
try
{
serialPort1.PortName = portBox.Text;
serialPort1.BaudRate = Convert.ToInt32(BaudrateBox.Text);
serialPort1.Open();
connect.Text = "断开连接";
InforOut.AppendText(GetTimeStamp() + " 串口连接成功！ " + "\r\n");
portBox.Enabled = false;
BaudrateBox.Enabled = false;
searchPort.Enabled = false;
}
catch
{
if (serialPort1.IsOpen)
{
serialPort1.Close();
}
connect.Text = "连接";
InforOut.AppendText(GetTimeStamp() + " 串口连接失败！ " + "\r\n");
}
}
else if (connect.Text == "断开连接")
{
connect.Text = "连接";
InforOut.AppendText(GetTimeStamp() + " 断开串口 " + "\r\n");
portBox.Enabled = true;
BaudrateBox.Enabled = true;
searchPort.Enabled = true;
}
}
private void send_Click(object sender, EventArgs e)
{
if (serialPort1.IsOpen) //串口已经开启
{
if (TEXTbutton.Checked) //选择了字符串模式
{
Encoding gb = System.Text.Encoding.GetEncoding("gb2312");
byte[] bytes = gb.GetBytes(cmd.Text);
if (bytes.Length == 0)
{
} //空串不发送
else
{
try
{
serialPort1.Write(bytes, 0, bytes.Length);
InforOut.AppendText(GetTimeStamp() + " [Send] " + cmd.Text + "\r\n");
}
catch
{
InforOut.AppendText(GetTimeStamp() + " 串口发送指令失败 " + "\r\n");
serialPort1.Close();
}
}
}
else if (HEXbutton.Checked)//选择了HEX模式
{
byte[] Data = new byte[1];
for (int i = 0; i < (cmd.Text.Length - cmd.Text.Length % 2) / 2; i++)
{
Data[0] = Convert.ToByte(cmd.Text.Substring(i * 2, 2), 16);
serialPort1.Write(Data, 0, 1);
InforOut.AppendText(GetTimeStamp() + " " + cmd.Text.Substring(i * 2, 2) + "\r\n");
}
if (cmd.Text.Length % 2 != 0) //剩下一位单独处理
{
Data[0] = Convert.ToByte(cmd.Text.Substring(cmd.Text.Length - 1, 1), 16); //单独发送B（0B）
serialPort1.Write(Data, 0, 1); //发送
InforOut.AppendText(GetTimeStamp() + " " + cmd.Text.Substring(cmd.Text.Length - 1, 1) + "\r\n");
}
}
}
else//串口未连接
{
InforOut.AppendText(GetTimeStamp() + " 串口未连接 " + "\r\n");
}
}