/// <summary>
/// 检查当前的Modbus-Tcp响应是否是正确的
/// </summary>
/// <param name="send">发送的数据信息</param>
/// <returns>带是否成功的结果数据</returns>
private OperateResult <byte[]> CheckModbusTcpResponse(byte[] send)
{
OperateResult <byte[]> resultBytes = ReadFromCoreServer(send);
if (resultBytes.IsSuccess)
{
if ((send[7] + 0x80) == resultBytes.Content[7])
{
// 发生了错误
resultBytes.IsSuccess = false;
resultBytes.Message = ModbusInfo.GetDescriptionByErrorCode(resultBytes.Content[8]);
resultBytes.ErrorCode = resultBytes.Content[8];
}
}
return(resultBytes);
}
/// <summary>
/// 检查当前的Modbus-Rtu响应是否是正确的
/// </summary>
/// <param name="send">发送的数据信息</param>
/// <returns>带是否成功的结果数据</returns>
protected virtual OperateResult <byte[]> CheckModbusTcpResponse(byte[] send)
{
// 核心交互
OperateResult <byte[]> result = ReadBase(send);
if (!result.IsSuccess)
{
return(result);
}
// 长度校验
if (result.Content.Length < 5)
{
return(new OperateResult <byte[]>(StringResources.Language.ReceiveDataLengthTooShort + "5"));
}
// 检查crc
if (!SoftCRC16.CheckCRC16(result.Content))
{
return(new OperateResult <byte[]>(StringResources.Language.ModbusCRCCheckFailed +
SoftBasic.ByteToHexString(result.Content, ' ')));
}
// 发生了错误
if ((send[1] + 0x80) == result.Content[1])
{
return(new OperateResult <byte[]>(result.Content[2], ModbusInfo.GetDescriptionByErrorCode(result.Content[2])));
}
if (send[1] != result.Content[1])
{
return(new OperateResult <byte[]>(result.Content[1], $"Receive Command Check Failed: "));
}
// 移除CRC校验
byte[] buffer = new byte[result.Content.Length - 2];
Array.Copy(result.Content, 0, buffer, 0, buffer.Length);
return(OperateResult.CreateSuccessResult(buffer));
}
/// <summary>
/// 检查当前的Modbus-Ascii响应是否是正确的
/// </summary>
/// <param name="send">发送的数据信息</param>
/// <returns>带是否成功的结果数据</returns>
protected override OperateResult<byte[]> CheckModbusTcpResponse( byte[] send )
{
// 转ascii
byte[] modbus_ascii = ModbusInfo.TransRtuToAsciiPackCommand( send );
// 核心交互
OperateResult<byte[]> result = ReadBase( modbus_ascii );
if (!result.IsSuccess) return result;
// 还原modbus报文
OperateResult<byte[]> modbus_core = ModbusInfo.TransAsciiPackCommandToRtu( result.Content );
if (!modbus_core.IsSuccess) return modbus_core;
// 发生了错误
if ((send[1] + 0x80) == modbus_core.Content[1]) return new OperateResult<byte[]>( modbus_core.Content[2], ModbusInfo.GetDescriptionByErrorCode( modbus_core.Content[2] ) );
// 成功的消息
return OperateResult.CreateSuccessResult( modbus_core.Content );
}