/// <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 |= CMc.GT_2DCompareClear(nCardNum, chn);
//设置模式
nRtn |= CMc.GT_2DCompareMode(nCardNum, chn, CMc.m_c_COMPARE2_D_MODE_2_D);
var ll = axis1.Count;
var maxL = ll > 1000 ? 1000 : ll;
var td = new CMc.T2_D_COMPARE_DATA[1000];
for (var i = 0; i < maxL; i++)
{
td[i].m_px = axis1[i];
td[i].m_py = axis2[i];
}
//压入数据
nRtn |= CMc.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)
{
STRUCT_2_D_POINT t2P;
t2P.m_listOfAxis1Position = axis1;
t2P.m_listOfAxis2Position = axis2;
t2P.m_indexNo = 1000;
t2P.m_chnNo = chn;
t2P.m_cardNo = nCardNum;
var t = new Thread(ThreadAddP)
{
IsBackground = true
};
t.Start(t2P);
}
return(nRtn);
}
private void ThreadAddP(object point)
{
var t2P = (STRUCT_2_D_POINT)point;
//已经添加的个数
var index = t2P.m_indexNo;
var td = new CMc.T2_D_COMPARE_DATA[t2P.m_listOfAxis1Position.Count - index];
var maxL = t2P.m_listOfAxis1Position.Count - index;
//提取剩下的点
for (var i = 0; i < maxL; i++)
{
td[i].m_px = t2P.m_listOfAxis1Position[i + index];
td[i].m_py = t2P.m_listOfAxis2Position[i + index];
}
//当前索引
var preIndex = 0;
while (index < t2P.m_listOfAxis1Position.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
CMc.GT_2DCompareStatus(t2P.m_cardNo, t2P.m_chnNo, out pStatus, out pCount, out pFifo,
out pFifoCount, out pBufCount);
if (pFifoCount >= 1024)
{
if (index + pFifoCount > t2P.m_listOfAxis1Position.Count) //如果pFifoCount大于剩余点数量，
{
pFifoCount = (short)(t2P.m_listOfAxis1Position.Count - index); //=总数-已加数
}
//压入数据
CMc.GT_2DCompareData(t2P.m_cardNo, t2P.m_chnNo, pFifoCount, ref td[preIndex], pFifo);
index = index + pFifoCount;
preIndex = preIndex + pFifoCount;
}
}
}
