public Item <short> ReadShort(DeviceAddress deviceAddress)
{
var datas = readRegister(deviceAddress, 1);
return(datas == null ? Item <short> .CreateDefault() :
new Item <short>()
{
Vaule = UnsafeNetConvert.BytesToShort(datas, 0, deviceAddress.ByteOrder), UpdateTime = DateTime.Now, Quality = QUALITIES.QUALITY_GOOD
});
}
/// <summary>
/// 16位无符号整形点绑定16位整形数据
/// </summary>
/// <param name="source">16位整形源数据</param>
/// <param name="sourceindex">源数据点索引</param>
/// <param name="target">目标数据，点长度为1的虚拟点</param>
/// <param name="bindingWay">绑定方式，默认为单方向</param>
public static bool UshortBinding(IPoint <short> source, int sourceindex, IPoint <ushort> target, BindingWay bindingWay = BindingWay.OneWay)
{
if (sourceindex >= source.Length)
{
return(false);
}
switch (bindingWay)
{
case BindingWay.OneWay:
source.PropertyChanged += (s, p) =>
{
if (int.Parse(p.PropertyName) == sourceindex)
{
byte[] temp1 = UnsafeNetConvert.ShortToBytes(source[(byte)sourceindex], ByteOrder.None);
ushort temp2 = UnsafeNetConvert.BytesToUShort(temp1, 0, ByteOrder.None);
target.ValueUpdate(temp2, 0);
}
};
return(true);
case BindingWay.TwoWay:
source.PropertyChanged += (s, p) =>
{
if (int.Parse(p.PropertyName) == sourceindex)
{
byte[] temp1 = UnsafeNetConvert.ShortToBytes(source[(byte)sourceindex], ByteOrder.None);
ushort temp2 = UnsafeNetConvert.BytesToUShort(temp1, 0, ByteOrder.None);
target.ValueUpdate(temp2, 0);
}
};
target.PropertyChanged += (s, p) =>
{
var temp1 = UnsafeNetConvert.UShortToBytes(target[0], ByteOrder.None);
var temp2 = UnsafeNetConvert.BytesToShort(temp1, 0, ByteOrder.None);
source.ValueUpdate(temp2, sourceindex);
};
return(true);
case BindingWay.ReverseWay:
target.PropertyChanged += (s, p) =>
{
var temp1 = UnsafeNetConvert.UShortToBytes(target[0], ByteOrder.None);
var temp2 = UnsafeNetConvert.BytesToShort(temp1, 0, ByteOrder.None);
source.ValueUpdate(temp2, sourceindex);
};
return(true);
default:
return(false);
}
}
private byte[] bufferRely(byte[] buffer)
{
byte[] getBuffer = null;
try
{
if (buffer[0] == (byte)_salveId)
{
switch ((FunctionCode)buffer[1])
{
case FunctionCode.ReadCoil:
if (buffer.Length < 6)
{
getBuffer = errorRely(FunctionCode.ReadCoil, ErrorCode.LllegalData);
}
else
{
var startAddress = UnsafeNetConvert.BytesToShort(buffer, 2, ByteOrder.BigEndian);
var count = UnsafeNetConvert.BytesToShort(buffer, 4, ByteOrder.BigEndian);
getBuffer = readCoilRely(startAddress, count);
}
break;
case FunctionCode.ReadInputStatus:
if (buffer.Length < 6)
{
getBuffer = errorRely(FunctionCode.ReadInputStatus, ErrorCode.LllegalData);
}
else
{
var startAddress = UnsafeNetConvert.BytesToShort(buffer, 2, ByteOrder.BigEndian);
var count = UnsafeNetConvert.BytesToShort(buffer, 4, ByteOrder.BigEndian);
getBuffer = readInStatusRely(startAddress, count);
}
break;
case FunctionCode.ReadInputRegister:
if (buffer.Length < 6)
{
getBuffer = errorRely(FunctionCode.ReadInputRegister, ErrorCode.LllegalData);
}
else
{
var startAddress = UnsafeNetConvert.BytesToShort(buffer, 2, ByteOrder.BigEndian);
var count = UnsafeNetConvert.BytesToShort(buffer, 4, ByteOrder.BigEndian);
getBuffer = readInputRegisterRely(startAddress, count);
}
break;
case FunctionCode.ReadHoldRegister:
if (buffer.Length < 6)
{
getBuffer = errorRely(FunctionCode.ReadHoldRegister, ErrorCode.LllegalData);
}
else
{
var startAddress = UnsafeNetConvert.BytesToShort(buffer, 2, ByteOrder.BigEndian);
var count = UnsafeNetConvert.BytesToShort(buffer, 4, ByteOrder.BigEndian);
getBuffer = readHoldRegisterRely(startAddress, count);
}
break;
case FunctionCode.ForceSingleCoil:
if (buffer.Length < 6)
{
getBuffer = errorRely(FunctionCode.ForceSingleCoil, ErrorCode.LllegalData);
}
else
{
var startAddress = UnsafeNetConvert.BytesToShort(buffer, 2, ByteOrder.BigEndian);
var data = new byte[] { buffer[4], buffer[5] };
getBuffer = writeSingleCoilRely(startAddress, data);
}
break;
case FunctionCode.ForceMulCoil:
if (buffer.Length < 7 || buffer.Length < 7 + buffer[6])
{
getBuffer = errorRely(FunctionCode.ForceMulCoil, ErrorCode.LllegalData);
}
else
{
var startAddress = UnsafeNetConvert.BytesToShort(buffer, 2, ByteOrder.BigEndian);
var count = UnsafeNetConvert.BytesToShort(buffer, 4, ByteOrder.BigEndian);
var data = new byte[buffer[6]];
Array.Copy(buffer, 7, data, 0, buffer[6]);
getBuffer = writeMulColilRely(startAddress, data, count);
}
break;
case FunctionCode.WriteSingleRegister:
if (buffer.Length < 6)
{
getBuffer = errorRely(FunctionCode.WriteSingleRegister, ErrorCode.LllegalData);
}
else
{
var startAddress = UnsafeNetConvert.BytesToShort(buffer, 2, ByteOrder.BigEndian);
var data = new byte[] { buffer[4], buffer[5] };
getBuffer = writeSingleReisterRely(startAddress, data);
}
break;
case FunctionCode.WriteMulRegister:
if (buffer.Length < 7 || buffer.Length < 7 + buffer[6])
{
getBuffer = errorRely(FunctionCode.WriteMulRegister, ErrorCode.LllegalData);
}
else
{
var startAddress = UnsafeNetConvert.BytesToShort(buffer, 2, ByteOrder.BigEndian);
var data = new byte[buffer[6]];
Array.Copy(buffer, 7, data, 0, buffer[6]);
getBuffer = writeMultiReisterRely(startAddress, data);
}
break;
default:
getBuffer = errorRely((FunctionCode)buffer[1], ErrorCode.LllegalFuctionCode);
break;
}
}
}
catch (Exception ex)
{
Log.ErrorLog(string.Format("Modbus buffer Rely Error:{0}", ex.ToString()));
}
return(getBuffer);
}
