private void onNetWeightReceive(CalcStableResult args)
{
if (this.NetWeightReceiveEventHandler != null)
{
NetWeightReceiveEventHandler.Invoke(sender: null, e: args);
}
}
private void dataReceived()
{
string content = readSerialPortData();
// System.Diagnostics.Debug.WriteLine("dataReceived : {0}".FormatWith(content));
string valueStr = this.fixData(content); // 根据电子秤型号处理数据
// System.Diagnostics.Debug.WriteLine("valueStr : {0}".FormatWith(valueStr));
#region 测试错误信息显示
//mIsTestShowError = true;
//if (mIsTestShowError == true)
//{
// int temp = rand.Next(100);
// if (temp % 10 == 0)
// {
// valueStr = valueStr + "mIsTestShowError ** mIsTestShowError";
// }
//}
#endregion
decimal inputValue = 0M;
if (decimal.TryParse(valueStr, out inputValue) == true)
{
CalcStableResult r = calcStable(inputValue); // 计算净重, 并判断是否稳定
// System.Diagnostics.Debug.WriteLine(r.GetConsoleInfo());
onNetWeightReceive(r);
}
else
{
CalcStableResult r = new CalcStableResult()
{
IsComplete = false,
ExceptionInfo = "valueStr的值无法转换为 decimal。\r\ncontent ：{0}\r\nvalueStr ：{1}\r\n".FormatWith(content, valueStr),
EntryTime = DateTime.Now
};
onNetWeightReceive(r);
}
}
private CalcStableResult calcStable(decimal inputValue)
{
decimal finalValue = inputValue - mGrossWeight;
CalcStableResult r = new CalcStableResult();
r.IsComplete = true;
r.EntryTime = DateTime.Now;
r.IsStable = false;
r.OriginWeight = inputValue;
r.GrossWeight = mGrossWeight;
r.NetWeight = finalValue;
r.UnitOfWeight = mUnitOfWeight;
if (finalValue <= 0)
{
System.Diagnostics.Debug.WriteLine("由于净重值[{0}]小于0, 清空Buffer。".FormatWith(finalValue, mMinWeight));
mBuffer.Clear();
return(r);
}
if (finalValue > 0 && finalValue < this.mMinWeight)
{
System.Diagnostics.Debug.WriteLine("由于净重值[{0}]小于最小值[{1}], 清空Buffer。".FormatWith(finalValue, mMinWeight));
mBuffer.Clear();
return(r);
}
// 使用缓存设定的小数位值处理当前重量
mBuffer.Add(decimal.Round(finalValue, mRoundLenght));
if (mBuffer.Count > this.mCalcCount)
{
mBuffer.RemoveAt(0);
}
// 使用用于比较的小数位数处理所有缓存数据，排序并取出现次数最多的值
var query = mBuffer.Select(i => Math.Round(i, mBufferRoundLenght));
ValueOccur matchMaxOccur = (from p in query
group p by p into g
select new ValueOccur
{
Value = g.Key,
Count = g.Count()
})
.OrderByDescending(i => i.Count)
.FirstOrDefault()
;
if (matchMaxOccur != null &&
Math.Abs(finalValue - matchMaxOccur.Value) <= this.mFloatValue &&
matchMaxOccur.Count >= this.mStableCount &&
finalValue >= mMinWeight && finalValue <= mMaxWeight
)
{
r.IsStable = true;
}
return(r);
}
