private void OpenSerial()
{
try
{
serial.Open();
PortControlBtn.Text = "关闭";
Text = "串口通讯器 - " + PortSelect.Text;
}
catch
{
PortControlBtn.Text = "开启";
DisplayArea.AppendText("串口打开未成功！" + Environment.NewLine);
Text = "串口通讯器 - 已关闭";
}
}
private void SendBtn_Click(object sender, EventArgs e)//发送按钮
{
if (serial.IsOpen)
{
if (MessageInput.Text.Length != 0)
{
serial.Write(MessageInput.Text);
DisplayArea.AppendText("[" + TimeStamp + " SEND]" + MessageInput.Text + Environment.NewLine);
MessageInput.Clear();
}
}
else
{
MessageBox.Show("请先打开串口！");
}
}
private void MessageInput_KeyDown(object sender, KeyEventArgs e)//输入框回车事件
{
if (e.KeyCode == Keys.Enter)
{
if (serial.IsOpen)
{
if (MessageInput.Text.Length != 0)
{
serial.Write(MessageInput.Text);
DisplayArea.AppendText("[" + TimeStamp + " SEND]" + MessageInput.Text + Environment.NewLine);
MessageInput.Clear();
}
}
else
{
MessageBox.Show("请先打开串口！");
}
}
}
//事件
//自定义事件
private void Serial_DataReceived(object sender, SerialDataReceivedEventArgs e)//串口数据接收事件
{
string data = string.Empty;
while (serial.BytesToRead > 0)
{
data += serial.ReadExisting();
}
if (HexModeCheck.Checked)
{
string HEXdata = string.Empty;
for (int i = 0; i < data.Length; i++)
{
HEXdata += (Convert.ToString((char)data[i], 16) + " ");
}
data = HEXdata;
}
Invoke((EventHandler) delegate
{
DisplayArea.AppendText("[" + TimeStamp + " RECV]" + data + Environment.NewLine);
});
}