/// <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;
}
dynamic result = null;
try
{
var addressAndReadLength = txt_address.Text.Split('-');
//批量读取
if (addressAndReadLength.Length == 2)
{
var address = int.Parse(addressAndReadLength[0]);
var readNumber = ushort.Parse(addressAndReadLength[1]);
ushort bLength = 1;
if (rd_bit.Checked || rd_discrete.Checked || rd_short.Checked || rd_ushort.Checked)
{
bLength = 1;
}
else if (rd_int.Checked || rd_uint.Checked || rd_float.Checked)
{
bLength = 2;
}
else if (rd_long.Checked || rd_ulong.Checked || rd_double.Checked)
{
bLength = 4;
}
var readLength = Convert.ToUInt16(bLength * readNumber);
byte functionCode;
if (rd_bit.Checked)
{
functionCode = 1;
}
else if (rd_discrete.Checked)
{
functionCode = 2;
}
else
{
functionCode = 3;
}
result = client.Read(address.ToString(), stationNumber, functionCode, readLength: readLength);
if (result.IsSucceed)
{
AppendEmptyText();
byte[] rValue = result.Value;
rValue = rValue.Reverse().ToArray();
for (int i = 0; i < readNumber; i++)
{
var cAddress = (address + i * bLength).ToString();
if (rd_bit.Checked)
{
AppendText($"[读取 {address + i * bLength} 成功]：{ client.ReadCoil(address.ToString(), cAddress, rValue).Value}");
}
else if (rd_discrete.Checked)
{
AppendText($"[读取 {address + i * bLength} 成功]：{ client.ReadDiscrete(address.ToString(), cAddress, rValue).Value}");
}
else if (rd_short.Checked)
{
AppendText($"[读取 {address + i * bLength} 成功]：{ client.ReadInt16(address.ToString(), cAddress, rValue).Value}");
}
else if (rd_ushort.Checked)
{
AppendText($"[读取 {address + i * bLength} 成功]：{ client.ReadUInt16(address.ToString(), cAddress, rValue).Value}");
}
else if (rd_int.Checked)
{
AppendText($"[读取 {address + i * bLength} 成功]：{ client.ReadInt32(address.ToString(), cAddress, rValue).Value}");
}
else if (rd_uint.Checked)
{
AppendText($"[读取 {address + i * bLength} 成功]：{ client.ReadUInt32(address.ToString(), cAddress, rValue).Value}");
}
else if (rd_long.Checked)
{
AppendText($"[读取 {address + i * bLength} 成功]：{ client.ReadInt64(address.ToString(), cAddress, rValue).Value}");
}
else if (rd_ulong.Checked)
{
AppendText($"[读取 {address + i * bLength} 成功]：{ client.ReadUInt64(address.ToString(), cAddress, rValue).Value}");
}
else if (rd_float.Checked)
{
AppendText($"[读取 {address + i * bLength} 成功]：{ client.ReadFloat(address.ToString(), cAddress, rValue).Value}");
}
else if (rd_double.Checked)
{
AppendText($"[读取 {address + i * bLength} 成功]：{ client.ReadDouble(address.ToString(), cAddress, rValue).Value}");
}
}
}
else
{
AppendText($"[读取 {txt_address.Text?.Trim()} 失败]：{result.Err}");
}
}
//单个读取
else
{
if (rd_bit.Checked)
{
result = client.ReadCoil(txt_address.Text, stationNumber);
}
else if (rd_short.Checked)
{
result = client.ReadInt16(txt_address.Text, stationNumber);
}
else if (rd_ushort.Checked)
{
result = client.ReadUInt16(txt_address.Text, stationNumber);
}
else if (rd_int.Checked)
{
result = client.ReadInt32(txt_address.Text, stationNumber);
}
else if (rd_uint.Checked)
{
result = client.ReadUInt32(txt_address.Text, stationNumber);
}
else if (rd_long.Checked)
{
result = client.ReadInt64(txt_address.Text, stationNumber);
}
else if (rd_ulong.Checked)
{
result = client.ReadUInt64(txt_address.Text, stationNumber);
}
else if (rd_float.Checked)
{
result = client.ReadFloat(txt_address.Text, stationNumber);
}
else if (rd_double.Checked)
{
result = client.ReadDouble(txt_address.Text, stationNumber);
}
else if (rd_discrete.Checked)
{
result = client.ReadDiscrete(txt_address.Text, stationNumber);
}
if (result.IsSucceed)
{
AppendText($"[读取 {txt_address.Text?.Trim()} 成功]：{result.Value}");
}
else
{
AppendText($"[读取 {txt_address.Text?.Trim()} 失败]：{result.Err}");
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
if (chb_show_package.Checked || (ModifierKeys & Keys.Control) == Keys.Control)
{
AppendText($"[请求报文]{result.Requst}");
AppendText($"[响应报文]{result.Response}\r\n");
}
}
}