/// <summary>
/// 打开连接
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void but_open_Click(object sender, EventArgs e)
{
try
{
var PortName = cb_portNameSend.Text.ToString();
var BaudRate = int.Parse(txt_baudRate.Text.ToString());
var DataBits = int.Parse(txt_dataBit.Text.ToString());
var StopBits = (StopBits)int.Parse(txt_stopBit.Text.ToString());
client?.Close();
client = new ModBusRtuClient(PortName, BaudRate, DataBits, StopBits);
var result = client.Open();
if (result.IsSucceed)
{
but_open.Enabled = false;
cb_portNameSend.Enabled = false;
but_read.Enabled = true;
but_write.Enabled = true;
but_open.Enabled = false;
but_close.Enabled = true;
but_sendData.Enabled = true;
AppendText("连接成功");
}
else
{
AppendText($"连接失败：{result.Err}");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// 打开连接
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void but_open_Click(object sender, EventArgs e)
{
try
{
if (txt_content.Text.Contains("小技巧"))
{
txt_content.Text = string.Empty;
}
var PortName = cb_portNameSend.Text.ToString();
var BaudRate = int.Parse(cb_baudRate.Text.ToString());
var DataBits = int.Parse(txt_dataBit.Text.ToString());
var StopBits = (StopBits)int.Parse(txt_stopBit.Text.ToString());
var parity = cb_parity.SelectedIndex == 0 ? Parity.None : (cb_parity.SelectedIndex == 1 ? Parity.Odd : Parity.Even);
client?.Close();
client = new ModBusRtuClient(PortName, BaudRate, DataBits, StopBits, parity);
var result = client.Open();
if (result.IsSucceed)
{
but_open.Enabled = false;
cb_portNameSend.Enabled = false;
but_read.Enabled = true;
but_write.Enabled = true;
but_open.Enabled = false;
but_close.Enabled = true;
but_sendData.Enabled = true;
//按了Ctrl后的鼠标点击
if ((ModifierKeys & Keys.Control) == Keys.Control)
{
Task.Run(() =>
{
AutoOpenRead();
});
}
else
{
AppendText("连接成功");
}
}
else
{
AppendText($"连接失败：{result.Err}");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void but_sendData_Click(object sender, EventArgs e)
{
try
{
if (string.IsNullOrWhiteSpace(txt_dataPackage.Text))
{
MessageBox.Show("请输入要发送的报文");
return;
}
var dataPackageString = txt_dataPackage.Text.Replace(" ", "");
if (dataPackageString.Length % 2 != 0)
{
MessageBox.Show("请输入正确的的报文");
return;
}
var dataPackage = DataConvert.StringToByteArray(txt_dataPackage.Text?.Trim(), false);
var msg = client.SendPackage(dataPackage);
AppendText($"[请求报文]{string.Join(" ", dataPackage.Select(t => t.ToString("X2")))}\r");
AppendText($"[响应报文]{string.Join(" ", msg.Select(t => t.ToString("X2")))}\r\n");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
client.Close();
client.Open();
}
}
public async Task 长连接主动开关()
{
client.Open();
short Number = 33;
client.Write("4", Number, stationNumber);
Assert.True(client.ReadInt16("4", stationNumber).Value == Number);
Number = 34;
client.Write("4", Number, stationNumber);
Assert.True(client.ReadInt16("4", stationNumber).Value == Number);
Number = 1;
client.Write("12", Number, stationNumber);
Assert.True(client.ReadInt16("12", stationNumber).Value == 1);
Number = 0;
client.Write("12", Number, stationNumber);
Assert.True(client.ReadInt16("12", stationNumber).Value == 0);
int numberInt32 = -12;
client.Write("4", numberInt32, stationNumber);
Assert.True(client.ReadInt32("4", stationNumber).Value == numberInt32);
float numberFloat = 112;
client.Write("4", numberFloat, stationNumber);
Assert.True(client.ReadFloat("4", stationNumber).Value == numberFloat);
double numberDouble = 32;
client.Write("4", numberDouble, stationNumber);
Assert.True(client.ReadDouble("4", stationNumber).Value == numberDouble);
client.Close();
}