/// <summary>
/// 自动扫描可连接串口属性
/// </summary>
/// <returns></returns>
private void AutoOpenRead()
{
#region 当前选择的配置有效匹配
FirstItem(ref BaudRateList, int.Parse(cb_baudRate.Text.ToString()));
FirstItem(ref DataBitList, int.Parse(txt_dataBit.Text.ToString()));
FirstItem(ref StopBitsList, (StopBits)int.Parse(txt_stopBit.Text.ToString()));
var firstParity = cb_parity.SelectedIndex == 0 ? Parity.None : (cb_parity.SelectedIndex == 1 ? Parity.Odd : Parity.Even);
FirstItem(ref ParityList, firstParity);
#endregion
byte.TryParse(txt_stationNumber.Text?.Trim(), out byte stationNumber);
if (!client.ReadInt16("0", stationNumber).IsSucceed)
{
foreach (var baudRate in BaudRateList)
{
foreach (var dataBit in DataBitList)
{
foreach (var stopBits in StopBitsList)
{
foreach (var parity in ParityList)
{
for (byte i = 0; i < 255; i++)
{
stationNumber = (byte)(i + 1);
if (but_open.Enabled)
{
return;
}
client?.Close();
client = new ModBusRtuClient(cb_portNameSend.Text.ToString(), baudRate, dataBit, stopBits, parity);
var result = client.Open();
if (result.IsSucceed)
{
if (client.ReadInt16("0", stationNumber).IsSucceed)
{
AppendText($@"连接【成功】 端口:{cb_portNameSend.Text.ToString()} 波特率:{baudRate} 数据位:{dataBit} 停止位:{stopBits} 奇偶:{parity} 站号:{stationNumber}");
return;
}
else
{
AppendText($@"连接失败 端口:{cb_portNameSend.Text.ToString()} 波特率:{baudRate} 数据位:{dataBit} 停止位:{stopBits} 奇偶:{parity} 站号:{stationNumber}");
}
}
else
{
AppendText($"连接异常 端口:{cb_portNameSend.Text.ToString()} 波特率:{baudRate} 数据位:{dataBit} 停止位:{stopBits} 奇偶:{parity} 站号:{stationNumber} Err:{result.Err}");
}
}
}
}
}
}
}
else
{
AppendText($@"连接【成功】 端口:{cb_portNameSend.Text} 波特率:{cb_baudRate.Text} 数据位:{txt_dataBit.Text} 停止位:{txt_stopBit.Text} 奇偶:{cb_parity.Text} 站号:{stationNumber}");
}
}
public async Task 短连接自动开关()
{
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);
}
/// <summary>
/// 读数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void but_read_Click(object sender, EventArgs e)
{
byte.TryParse(txt_stationNumber.Text?.Trim(), out byte stationNumber);
if (string.IsNullOrWhiteSpace(txt_address.Text))
{
MessageBox.Show("请输入地址");
return;
}
try
{
dynamic result = null;
if (rd_bit.Checked)
{
result = client.ReadCoil(txt_address.Text, stationNumber);
}
else if (rd_short.Checked)
{
result = client.ReadInt16(txt_address.Text, stationNumber);
}
else if (rd_ushort.Checked)
{
result = client.ReadUInt16(txt_address.Text, stationNumber);
}
else if (rd_int.Checked)
{
result = client.ReadInt32(txt_address.Text, stationNumber);
}
else if (rd_uint.Checked)
{
result = client.ReadUInt32(txt_address.Text, stationNumber);
}
else if (rd_long.Checked)
{
result = client.ReadInt64(txt_address.Text, stationNumber);
}
else if (rd_ulong.Checked)
{
result = client.ReadUInt64(txt_address.Text, stationNumber);
}
else if (rd_float.Checked)
{
result = client.ReadFloat(txt_address.Text, stationNumber);
}
else if (rd_double.Checked)
{
result = client.ReadDouble(txt_address.Text, stationNumber);
}
else if (rd_discrete.Checked)
{
result = client.ReadDiscrete(txt_address.Text, stationNumber);
}
if (result.IsSucceed)
{
AppendText($"[读取 {txt_address.Text?.Trim()} 成功]：{result.Value}");
}
else
{
AppendText($"[读取 {txt_address.Text?.Trim()} 失败]：{result.Err}");
}
if (chb_show_package.Checked)
{
AppendText($"[请求报文]{result.Requst}");
AppendText($"[响应报文]{result.Response}\r\n");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}