/// <summary>
/// 按位输出信号
/// </summary>
/// <param name="nIndex"></param>
/// <param name="bBit"></param>
/// <returns></returns>
public override bool WriteIoBit(int nIndex, bool bBit)
{
if (!m_bOpen)
{
return(false);
}
short ret;
uint int_value;
int num = DASK.DO_ReadPort((ushort)m_dev, 0, out int_value);
if (num != 0)
{
return(false);
}
uint result = 0;
if (bBit)
{
result = int_value | (uint)(1 << nIndex);
}
else
{
result = int_value &= ~(uint)(1 << nIndex);
}
ret = DASK.DO_WritePort((ushort)m_dev, 0, result);
if (ret < 0)
{
return(false);//获取失败
}
return(true);
}
/// <summary>
///释放IO卡
/// </summary>
public override void DeInit()
{
short ret;
if (m_dev >= 0)
{
ret = DASK.Release_Card((ushort)m_dev);
}
}
public override bool Init()
{
m_bOpen = false;
m_dev = DASK.Register_Card(DASK.PCI_7230, (ushort)m_nCardNo);
if (m_dev == 0)
{
m_bOpen = true;
}
return(m_bOpen);
}
/// <summary>
///按位获取输入信号
/// </summary>
/// <param name="nIndex"></param>
/// <returns></returns>
public override bool ReadIoInBit(int nIndex)
{
if (!m_bOpen)
{
return(false);
}
short ret;
uint int_value;
ret = DASK.DI_ReadPort((ushort)m_dev, 0, out int_value);
if (ret < 0)
{
return(false);//获取失败
}
if ((int_value & (1 << nIndex)) == 0L)
{
return(false);
}
else
{
return(true);
}
}