public void Initialize()
{
try
{
var command = ProtocolFinsCommand.GetHandshakeCommand(pcNode);
var response = new byte[] { };
if (!comPort.IsConnected)
{
comPort.Open(false);
}
response = Send(command);
if (!response.Any() || GetErrorCode(response) != ErrorCodeOK)
{
throw new ApplicationException($"握手失败，错误码：{GetErrorCode(response)}");
}
else
{
pcNode = response[19];
plcNode = response[23];
}
}
catch (Exception e)
{
throw new ApplicationException("建立与PLC连接失败，请确认", e);
}
}
public IEnumerable <TValue> Read <TValue>(DataAddress address)
{
if (address.Equals(DataAddress.Empty))
{
throw new ApplicationException("地址为空");
}
var command = ProtocolFinsCommand.GetReadCommand(address, pcNode, plcNode);
byte[] response = { };
using (new StopwatchWrapper($"读取PLC"))
{
response = Send(command);
}
if (!response.Any() || GetErrorCode(response) != ErrorCodeOK)
{
Reconnect();
throw new ApplicationException($"读取失败，地址：{address }，错误码：{GetErrorCode(response)}");
}
return(GetValues <TValue>(address, response));
}
public void Write <TValue>(DataAddress address, IEnumerable <TValue> values)
{
if (address.Equals(DataAddress.Empty))
{
throw new ApplicationException("地址为空");
}
if (values == null || !values.Any())
{
throw new ApplicationException($"参数异常，values为null或空");
}
var command = ProtocolFinsCommand.GetWriteCommand(address, values, pcNode, plcNode);
byte[] response = { };
using (new StopwatchWrapper($"写入PLC"))
{
response = Send(command);
}
if (!response.Any() || GetErrorCode(response) != ErrorCodeOK)
{
Reconnect();
throw new ApplicationException($"写入失败，地址：{address }，错误码：{GetErrorCode(response)}");
}
}
