/// <summary>
/// 二维位置压入
/// </summary>
/// <param name="nCardNum">位置比较数据个数</param>
/// <param name="axis1">轴1坐标</param>
/// <param name="axis2">D轴2坐标</param>
/// <param name="chn">通道号 0：HSIO1 ; 通道号 1: HSIO2</param>
/// <param name="fifo">数据压入的 FIFO,范围: [0,1],该数据目前保留,使用 0 即可</param>
/// <returns></returns>
public override short D2DCompareData(short nCardNum, List <int> axis1, List <int> axis2, short chn, short fifo)
{
short nRtn = 0;
//清除
nRtn |= mc.GT_2DCompareClear(nCardNum, chn);
//设置模式
nRtn |= mc.GT_2DCompareMode(nCardNum, chn, mc.COMPARE2D_MODE_2D);
var ll = axis1.Count;
int maxL;
if (ll > 1000)
{
maxL = 1000;
}
else
{
maxL = ll;
}
var td = new mc.T2DCompareData[1000];
for (var i = 0; i < maxL; i++)
{
td[i].px = axis1[i];
td[i].py = axis2[i];
}
//压入数据
nRtn |= mc.GT_2DCompareData(nCardNum, chn, (short)maxL, ref td[0], fifo);
//如果数量超过1000个，开启线程继续压入
if (maxL == 1000)
{
DD_POINT t2P;
t2P.m_lAxis1 = axis1;
t2P.m_lAxis2 = axis2;
t2P.nIndex = 1000;
t2P.nChn = chn;
t2P.nCardNum = nCardNum;
var t = new Thread(ThreadAddP);
t.IsBackground = true;
t.Start(t2P);
}
return(nRtn);
}
/// <summary>
/// 设置二维比较输出数据
/// </summary>
/// <param name="cardId">卡号</param>
/// <param name="chn">0,1</param>
/// <param name="count">比较点数</param>
/// <param name="x">数据x</param>
/// <param name="y">数据y</param>
/// <param name="fifo">0,1</param>
/// <returns></returns>
public short Cmp2dData(short cardId, short chn, short count, int[] x, int[] y, short fifo)
{
if (x == null || y == null || x.Length == 0 || y.Length == 0 || x.Length != y.Length ||
x.Length < count || y.Length < count)
{
return(-10);
}
mc.T2DCompareData[] data = new mc.T2DCompareData[2048];
for (int i = 0; i < count; i++)
{
data[i].px = x[i];
data[i].py = y[i];
}
return(mc.GT_2DCompareData(cardId, chn, count, ref data[0], fifo));
}
private void ThreadAddP(object point)
{
var t2P = (DD_POINT)point;
//已经添加的个数
var index = t2P.nIndex;
var td = new mc.T2DCompareData[t2P.m_lAxis1.Count - index];
var maxL = t2P.m_lAxis1.Count - index;
//提取剩下的点
for (var i = 0; i < maxL; i++)
{
td[i].px = t2P.m_lAxis1[i + index];
td[i].py = t2P.m_lAxis2[i + index];
}
//当前索引
var preIndex = 0;
while (index < t2P.m_lAxis1.Count)
{
short pStatus; //0 :正在进行比较输出 1：比较输出完成
int pCount; //位置比较已输出次数
short pFifo; //当前空闲 FIFO
short pFifoCount; //当前空闲 FIFO 剩余空间
short pBufCount; //FPGA 中 FIFO 剩余空间，FPGA 的 FIFO 总大小为 512，启动位置比较之前，压入的数据先进入 FPGA 的 FIFO
mc.GT_2DCompareStatus(t2P.nCardNum, t2P.nChn, out pStatus, out pCount, out pFifo,
out pFifoCount, out pBufCount);
if (pFifoCount >= 1024)
{
if (index + pFifoCount > t2P.m_lAxis1.Count) //如果pFifoCount大于剩余点数量，
{
pFifoCount = (short)(t2P.m_lAxis1.Count - index); //=总数-已加数
}
//压入数据
mc.GT_2DCompareData(t2P.nCardNum, t2P.nChn, pFifoCount, ref td[preIndex], pFifo);
index = index + pFifoCount;
preIndex = preIndex + pFifoCount;
}
}
}
