public void TestReadInputRegisters()
{
IModbusMessage request;
byte[] sendBytes = _modbusMaster.BuildReadInputRegistersCommand(slaveId, startAddress, numRegisters, out request);
_sr.Write(sendBytes, 0, sendBytes.Length);
byte[] readBuffer = new byte[1024];
int num = _sr.Read(readBuffer, 0, readBuffer.Length);
byte[] readBytes = new byte[num];
Buffer.BlockCopy(readBuffer, 0, readBytes, 0, num);
ushort[] response = _modbusMaster.GetReadInputRegistersResponse(readBytes, request);
}
/// <summary>
/// 通讯正常，把返回的数据返回到此函数接口。在Protocol类中的CheckData函数对数据进行校验。
/// </summary>
/// <param name="info"></param>
public override void Communicate(IResponseInfo info)
{
if (_sendObject == null)
{
OnDeviceRuningLog("没有获得对应的发送请求实例");
return;
}
byte[] revData = info.Data;
IModbusMessage requestMessage = _sendObject.ModbusMessage;
ITag tag = _sendObject.Tag;
bool deal = false;
object val = null;
if (tag.Function == Modbus.Modbus.ReadCoils)
{
#region
bool[] responseVals = _modbusTcpMaster.GetReadCoilsResponse(revData, tag.Quantity, requestMessage);
if (responseVals.Length >= 1)
{
val = responseVals[0] == true ? 1 : 0;
this.DeviceDynamic.DynamicData.Write(tag.TagName, val);
deal = true;
}
#endregion
}
else if (tag.Function == Modbus.Modbus.ReadInputs)
{
#region
bool[] responseVals = _modbusTcpMaster.GetReadInputsResponse(revData, tag.Quantity, requestMessage);
if (responseVals.Length >= 1)
{
val = responseVals[0] == true ? 1 : 0;
this.DeviceDynamic.DynamicData.Write(tag.TagName, val);
deal = true;
}
#endregion
}
else if (tag.Function == Modbus.Modbus.ReadHoldingRegisters)
{
#region
ushort[] responseVals = _modbusTcpMaster.GetReadHoldingRegistersResponse(revData, requestMessage);
if (responseVals.Length >= 1)
{
val = responseVals[0];
this.DeviceDynamic.DynamicData.Write(tag.TagName, val);
deal = true;
}
#endregion
}
else if (tag.Function == Modbus.Modbus.ReadInputRegisters)
{
#region
ushort[] responseVals = _modbusTcpMaster.GetReadInputRegistersResponse(revData, requestMessage);
if (responseVals.Length >= 1)
{
val = responseVals[0];
this.DeviceDynamic.DynamicData.Write(tag.TagName, val);
deal = true;
}
#endregion
}
if (deal && val != null)
{
OnDeviceRuningLog("通讯正常，已经处理数据,值：" + (val == null ? "未知" : val.ToString()));
this.DeviceDynamic.Save();
}
}
