コード例 #1
0
 public BalanceDataEventArgs(BalanceDataEventArgs data)
     : base(null)
 {
     Weight   = data.Weight;
     IsValid  = data.IsValid;
     PortName = data.PortName;
 }
コード例 #2
0
ファイル: BalanceXS205 .cs プロジェクト: LIUXIAOMINGIT/PTool
        /// <summary>
        ///
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="args"></param>
        public override void ReceiveData(object sender, DataTransmissionEventArgs args)
        {
            //从天平里读出的数据格式:53 20 44 20 20 20 31 38 2E 36 33 38 30 35 20 67 0D 0A
            //           也有可能是:53 20 53 20 20 20 20 30 2E 30 30 30 30 30 20 67 0D 0A
            //以0x53 0x20 0x44 0x20 0x20 0x20开头,0x0D 0x0A结束,并且带有单位0x20 0x67( g)
            byte[] buffer = new byte[_detectByteLength];
            lock (m_ReadBuffer)
            {
                m_ReadBuffer.AddRange(args.EventData);
                if (m_ReadBuffer.Count >= _detectByteLength)
                {
                    int endIndex = m_ReadBuffer.FindIndex(0, (x) => { return(x == 0x0A); });
                    if (endIndex < 0)
                    {
                        return;
                    }
                    else if (endIndex > 0 && endIndex != _detectByteLength - 1)
                    {
                        m_ReadBuffer.RemoveRange(0, endIndex + 1);
                        return;
                    }
                    else
                    {
                        m_ReadBuffer.CopyTo(0, buffer, 0, _detectByteLength);
                        m_ReadBuffer.RemoveRange(0, _detectByteLength);
                    }
                }
                else
                {
                    return;
                }
            }

            string weight = System.Text.Encoding.ASCII.GetString(buffer);

            if (weight.Length < 16)
            {
                return;
            }

            //get the balance unit
            string unitString = weight.Substring(14, 2);
            string unit       = string.Empty;
            int    iLoop      = 0;

            while (iLoop < 2)
            {
                if (unitString[iLoop] != 0x20)
                {
                    unit += unitString[iLoop];
                }
                iLoop++;
            }
            WeightUint balanceUnit = WeightUint.g;

            foreach (string s in Enum.GetNames(typeof(WeightUint)))
            {
                if (s.Equals(unit))
                {
                    balanceUnit = (WeightUint)Enum.Parse(typeof(WeightUint), unit);
                    break;
                }
            }
            int   negative    = weight[0] == '-' ? -1 : 1;
            float weightValue = 0f;
            bool  bRet        = false;

            bRet = float.TryParse(weight.Substring(4, 10), out weightValue);
            float weightGrams = 0f;

            switch (balanceUnit)
            {
            case WeightUint.kg:
                weightGrams = weightValue * 1000 * negative;
                break;

            case WeightUint.mg:
                weightGrams = weightValue / 1000 * negative;
                break;

            case WeightUint.g:
                weightGrams = weightValue * negative;
                break;

            default:
                weightGrams = weightValue * negative;
                break;
            }
            BalanceDataEventArgs balanceData = new BalanceDataEventArgs(weightGrams, bRet);

            base.ReceiveData(sender, balanceData);
        }