/// <summary>
/// 添加待发送数据包
/// </summary>
/// <param name="Word">命令字</param>
/// <param name="Reserve">保留位</param>
/// <param name="Data">数据</param>
/// <remarks>连续添加不应超过最多数据包个数(15)</remarks>
public void AddBlock(byte Word, byte Reserve, byte[] Data)
{
if (Data == null || Data.Length != BlockLength - 3)
{
throw new Exception("Data Length!=12");
}
ZBlock p = new ZBlock();
p.Word = Word;
p.Reserve = Reserve;
p.Data = Data;
SendBlock.InsertObject(p);
}
public void AddPoint(PointF point)
{
lock (DataList)
{
DataList.InsertObject(point);
}
this.Invalidate();
}
//协议解析
private void AnalyseProtocol()
{
//解析帧头
ZFrame f;
f.S1 = Buffer.FetchObject();
f.S2 = Buffer.FetchObject();
f.Source = Buffer.FetchObject();
f.Target = Buffer.FetchObject();
f.Reserve = Buffer.FetchObject();
f.PackageNum = Buffer.FetchObject();
//插入帧头数据
ReceiveFrame.InsertObject(f);
_ReceiveFrameNum++;
//引发事件
if (OnReceviceFrame != null)
{
OnReceviceFrame();
}
//循环读取数据包
for (int i = 0; i < f.PackageNum; i++)
{
//校验和
byte sum = 0;
for (int j = 0; j < BlockLength - 1; j++)
{
sum += Buffer[j];
}
if (sum == Buffer[BlockLength - 1])
{
ZBlock p;
p.Data = new byte[12];
p.Word = Buffer.FetchObject();
p.Reserve = Buffer.FetchObject();
for (int j = 0; j < BlockLength - 3; j++)
{
p.Data[j] = Buffer.FetchObject();
}
p.CheckSum = Buffer.FetchObject();
ReceiveBlock.InsertObject(p);
_ReceiveBlockNum++;
}
else
{
for (int j = 0; j < BlockLength; j++)
{
Buffer.FetchObject();
}
_ErrorBlockNum++;
}
}
//引发事件
if (ReceiveBlock.Amount > 0 && OnReceviceBlock != null)
{
OnReceviceBlock();
}
}
//接收数据
void SerialObject_OnReceviceByte()
{
while (SerialObject != null && SerialObject.BufferByteNum > 0)
{
Buffer.InsertObject(SerialObject.ReadByte());
while (Buffer.Amount > 0)
{
if (Buffer[0] != S1)
{
Buffer.FetchObject();
_LostByteNum++;
}
else
{
break;
}
}
if (CheckFrame())
{
AnalyseProtocol();
}
}
}
/// <summary>
/// 向示波器控件添加数据
/// </summary>
/// <param name="data">待添加数据</param>
public void AddData(float data)
{
//插入数据
_Datas.InsertObject(data);
//检测模式，校验数据，计算极值
switch (_FillMode)
{
case FillModeEnum.All:
high = ComputHigh(_Datas);
low = ComputLow(_Datas);
break;
case FillModeEnum.AboveZero:
if (data < 0)
{
throw new ArgumentException("Data must above zero in AboveZero mode");
}
high = ComputHigh(_Datas);
break;
case FillModeEnum.Limit:
if ((data < _Low) || (data > _High))
{
throw new ArgumentException("Data must in the limit zone in Limit mode");
}
break;
}
//递增网格绘制位置
GridPosi += _Interval;
//当达到临界值则返回0
if (GridPosi >= _GridR)
{
GridPosi -= _GridR;
}
//重绘
this.Invalidate();
}