public void Dispose()
{
if (_id != 0)
{
CheckErrorCode(CdioSdk.DioExit(_id));
}
}
/// <summary>
/// Initialize Cdio device
/// </summary>
/// <returns></returns>
public void Init()
{
var pnt = Marshal.AllocHGlobal(Marshal.SizeOf(sizeof(short)));
CheckErrorCode(CdioSdk.DioInit("DIO000", pnt));
_id = Marshal.ReadInt16(pnt);
}
public void GetMaxPorts(out short inputPorts, out short outputPorts)
{
var inPnt = Marshal.AllocHGlobal(Marshal.SizeOf(sizeof(short)));
var outPnt = Marshal.AllocHGlobal(Marshal.SizeOf(sizeof(short)));
CheckErrorCode(CdioSdk.DioGetMaxPorts(_id, inPnt, outPnt));
inputPorts = Marshal.ReadInt16(inPnt);
outputPorts = Marshal.ReadInt16(outPnt);
}
private void CheckErrorCode(long errorCode)
{
if (errorCode != 0)
{
var errorString = new StringBuilder(256);
CdioSdk.DioGetErrorString(errorCode, errorString);
throw new CdioDeviceException(errorCode, errorString.ToString());
}
}
public void SetTrigger(short bitNo, CdioTriggerTypeEnum triggerType, int pollingInterval)
{
CheckErrorCode(CdioSdk.DioSetTrgEvent(_id, bitNo, (short)triggerType, pollingInterval));
}
public void SetTriggerCallback(TriggerCallback callback)
{
CheckErrorCode(CdioSdk.DioSetTrgCallBackProc(_id, new CdioSdk.TrgCallBack((short id, short message, long wParam, long lParam, IntPtr userData1) => {
callback((short)wParam, (CdioTriggerTypeEnum)lParam);
}), IntPtr.Zero));
}