/// <summary>
/// 读数据
/// </summary>
/// <param name="startAddress">起始地址</param>
/// <param name="getByteCount">获取字节个数</param>
/// <returns>获取的结果</returns>
public override async Task <byte[]> GetDatasAsync(string startAddress, int getByteCount)
{
try
{
var inputStruct = new ReadDataModbusInputStruct(SlaveAddress, startAddress,
(ushort)getByteCount, AddressTranslator);
var outputStruct = await
Wrapper.SendReceiveAsync <ReadDataModbusOutputStruct>(Wrapper[typeof(ReadDataModbusProtocal)], inputStruct);
return(outputStruct?.DataValue);
}
catch
{
return(null);
}
}
public override async Task <byte[]> GetDatasAsync(byte belongAddress, byte masterAddress, string startAddress, int getByteCount)
{
try
{
var inputStruct = new ReadDataModbusInputStruct(belongAddress, startAddress,
getByteCount % 2 == 0 ? (ushort)(getByteCount / 2) : (ushort)(getByteCount / 2 + 1), AddressTranslator);
var outputStruct = await
Wrapper.SendReceiveAsync(Wrapper[typeof(ReadDataModbusProtocal)], inputStruct) as
ReadDataModbusOutputStruct;
return(outputStruct?.DataValue);
}
catch
{
return(null);
}
}
/// <summary>
/// 读数据
/// </summary>
/// <param name="startAddress">起始地址</param>
/// <param name="getByteCount">获取字节个数</param>
/// <returns>获取的结果</returns>
public override async Task <byte[]> GetDatasAsync(string startAddress, int getByteCount)
{
try
{
var inputStruct = new ReadDataModbusInputStruct(SlaveAddress, startAddress,
(ushort)getByteCount, AddressTranslator);
var outputStruct = await
ProtocolWrapper.SendReceiveAsync <ReadDataModbusOutputStruct>(ProtocolWrapper[typeof(ReadDataModbusProtocal)],
inputStruct);
return(outputStruct?.DataValue);
}
catch (Exception e)
{
Log.Error(e, $"ModbusUtility -> GetDatas: {ConnectionString} error");
return(null);
}
}