//============================================================-
//	CDIOCS.CS
//	Class file for CONTEC Digital I/O device
//												CONTEC.Co.,Ltd.
//============================================================-

using	System;
using	System.Runtime.InteropServices;

public enum CdioConst
{
//-------------------------------------------------
//	Type definition
//-------------------------------------------------
	DEVICE_TYPE_ISA				=	0,	//	ISA or C bus
	DEVICE_TYPE_PC				=	1,	//	PCI bus
	DEVICE_TYPE_PCMCIA			=	2,	//	PCMCIA
	DEVICE_TYPE_USB				=	3,	//	USB
	DEVICE_TYPE_FIT				=	4,	//	FIT
	DEVICE_TYPE_CARDBUS			=	5,	//	CardBus

//-------------------------------------------------
//	Parameters
//-------------------------------------------------
//	I/O(for Sample)
	DIO_MAX_ACCS_PORTS			=	256,
//	DioNotifyInt:Logic
	DIO_INT_NONE				=	0,
	DIO_INT_RISE				=	1,
	DIO_INT_FALL				=	2,
//	DioNotifyTrg:TrgKind
	DIO_TRG_RISE				=	1,
	DIO_TRG_FALL				=	2,
//	Message
	DIOM_INTERRUPT				=	0x1300,
	DIOM_TRIGGER				=	0x1340,
	DIO_DMM_STOP				=	0x1350,
	DIO_DMM_COUNT				=	0x1360,
//	Device Information
	IDIO_DEVICE_TYPE			=	0,	//	device type.							Param1:short
	IDIO_NUMBER_OF_8255			=	1,	//	Number of 8255 chip.					Param1:int
	IDIO_IS_8255_BOARD			=	2,	//	Is 8255	board?							Param1:BOOL(True/False)
	IDIO_NUMBER_OF_DI_BIT		=	3,	//	Number of digital input bit.			Param1:int
	IDIO_NUMBER_OF_DO_BIT		=	4,	//	Number of digital outout bit.			Param1:int
	IDIO_NUMBER_OF_DI_PORT		=	5,	//	Number of digital input	port.			Param1:int
	IDIO_NUMBER_OF_DO_PORT		=	6,	//	Number of digital output port.			Param1:int
	IDIO_IS_POSITIVE_LOGIC		=	7,	//	Is positive logic?						Param1:BOOL(True/False)
	IDIO_IS_ECHO_BACK			=	8,	//	Can echo back output port?				Param1:BOOL(True/False)
	IDIO_IS_DIRECTION			=	9,	//	Can DioSetIoDirection function be used?	Param1:int(1:true, 0:false)
	IDIO_IS_FILTER				=	10,	//	Can digital filter be used?				Param1:int(1:true, 0:false)
	IDIO_NUMBER_OF_INT_BIT		=	11,	//	Number of interrupt bit.				Param1:short

//	DM
//	Direction
	PI_32						=	1,
	PO_32						=	2,
	PIO_1616					=	3,
	DIODM_DIR_IN				=	0x1,
	DIODM_DIR_OUT				=	0x2,

//  Start
	DIODM_START_SOFT			=	1,
	DIODM_START_EXT_RISE		=	2,
	DIODM_START_EXT_FALL		=	3,
	DIODM_START_PATTERN			=	4,
	DIODM_START_EXTSIG_1		=	5,
	DIODM_START_EXTSIG_2		=	6,
	DIODM_START_EXTSIG_3		=	7,

//  Clock
	DIODM_CLK_CLOCK				=	1,
	DIODM_CLK_EXT_TRG			=	2,
	DIODM_CLK_HANDSHAKE			=	3,
	DIODM_CLK_EXTSIG_1			=	4,
	DIODM_CLK_EXTSIG_2			=	5,
	DIODM_CLK_EXTSIG_3			=	6,

//  Internal Clock
	DIODM_TIM_UNIT_S			=	1,
	DIODM_TIM_UNIT_MS			=	2,
	DIODM_TIM_UNIT_US			=	3,
	DIODM_TIM_UNIT_NS			=	4,

//  Stop
	DIODM_STOP_SOFT				=	1,
	DIODM_STOP_EXT_RISE			=	2,
	DIODM_STOP_EXT_FALL			=	3,
	DIODM_STOP_NUM				=	4,
	DIODM_STOP_EXTSIG_1			=	5,
	DIODM_STOP_EXTSIG_2			=	6,
	DIODM_STOP_EXTSIG_3			=	7,

//	ExtSig
	DIODM_EXT_START_SOFT_IN		=	1,
	DIODM_EXT_STOP_SOFT_IN		=	2,
	DIODM_EXT_CLOCK_IN			=	3,
	DIODM_EXT_EXT_TRG_IN		=	4,
	DIODM_EXT_START_EXT_RISE_IN	=	5,
	DIODM_EXT_START_EXT_FALL_IN	=	6,
	DIODM_EXT_START_PATTERN_IN	=	7,
	DIODM_EXT_STOP_EXT_RISE_IN	=	8,
	DIODM_EXT_STOP_EXT_FALL_IN	=	9,
	DIODM_EXT_CLOCK_ERROR_IN	=	10,
	DIODM_EXT_HANDSHAKE_IN		=	11,
	DIODM_EXT_TRNSNUM_IN		=	12,

	DIODM_EXT_START_SOFT_OUT	=	101,
	DIODM_EXT_STOP_SOFT_OUT		=	102,
	DIODM_EXT_CLOCK_OUT			=	103,
	DIODM_EXT_EXT_TRG_OUT		=	104,
	DIODM_EXT_START_EXT_RISE_OUT=	105,
	DIODM_EXT_START_EXT_FALL_OUT=	106,
	DIODM_EXT_STOP_EXT_RISE_OUT	=	107,
	DIODM_EXT_STOP_EXT_FALL_OUT	=	108,
	DIODM_EXT_CLOCK_ERROR_OUT	=	109,
	DIODM_EXT_HANDSHAKE_OUT		=	110,
	DIODM_EXT_TRNSNUM_OUT		=	111,

//	Status
	DIODM_STATUS_BMSTOP			=	0x1,
	DIODM_STATUS_PIOSTART		=	0x2,
	DIODM_STATUS_PIOSTOP		=	0x4,
	DIODM_STATUS_TRGIN			=	0x8,
	DIODM_STATUS_OVERRUN		=	0x10,

//	Error
	DIODM_STATUS_FIFOEMPTY		=	0x1,
	DIODM_STATUS_FIFOFULL		=	0x2,
	DIODM_STATUS_SGOVERIN		=	0x4,
	DIODM_STATUS_TRGERR			=	0x8,
	DIODM_STATUS_CLKERR			=	0x10,
	DIODM_STATUS_SLAVEHALT		=	0x20,
	DIODM_STATUS_MASTERHALT		=	0x40,

//	Reset
	DIODM_RESET_FIFO_IN			=	0x02,
	DIODM_RESET_FIFO_OUT		=	0x04,

//	Buffer Ring
	DIODM_WRITE_ONCE			=	0,
	DIODM_WRITE_RING			=	1,

//-------------------------------------------------
//	Error	codes
//-------------------------------------------------
//	Initialize	Error
//	Common
	DIO_ERR_SUCCESS				=	0,		//	normal completed
	DIO_ERR_INI_RESOURCE		=	1,		//	invalid resource reference specified
	DIO_ERR_INI_INTERRUPT		=	2,		//	invalid interrupt routine registered
	DIO_ERR_INI_MEMORY			=	3,		//	invalid memory allocationed
	DIO_ERR_INI_REGISTRY		=	4,		//	invalid registry accesse

	DIO_ERR_SYS_RECOVERED_FROM_STANDBY	=	7,		//	Execute DioResetDevice function because the device has recovered from standby mode.
	DIO_ERR_INI_NOT_FOUND_SYS_FILE		=	8,		//	Because the Cdio.sys file is not found, it is not possible to initialize it.
	DIO_ERR_INI_DLL_FILE_VERSION		=	9,		//	Because version information on the Cdio.dll file cannot be acquired, it is not possible to initialize it.
	DIO_ERR_INI_SYS_FILE_VERSION		=	10,		//	Because version information on the Cdio.sys file cannot be acquired, it is not possible to initialize it.
	DIO_ERR_INI_NO_MATCH_DRV_VERSION	=	11,		//	Because version information on Cdio.dll and Cdio.sys is different, it is not possible to initialize it.

//	DLL	Error
//	Common
	DIO_ERR_DLL_DEVICE_NAME				=	10000,	//	invalid device name specified.
	DIO_ERR_DLL_INVALID_ID				=	10001,	//	invalid ID specified.
	DIO_ERR_DLL_CALL_DRIVER				=	10002,	//	not call the driver.(Invalid device I/O controller)
	DIO_ERR_DLL_CREATE_FILE				=	10003,	//	not create the file.(Invalid CreateFile)
	DIO_ERR_DLL_CLOSE_FILE				=	10004,	//	not close the file.(Invalid CloseFile)
	DIO_ERR_DLL_CREATE_THREAD			=	10005,	//	not create the thread.(Invalid CreateThread)
	DIO_ERR_INFO_INVALID_DEVICE			=	10050,	//	invalid device infomation specified .Please check the spell.
	DIO_ERR_INFO_NOT_FIND_DEVICE		=	10051,	//	not find the available device
	DIO_ERR_INFO_INVALID_INFOTYPE		=	10052,	//	specified device infomation type beyond the limit

//	DIO
	DIO_ERR_DLL_BUFF_ADDRESS			=	10100,	//	invalid data buffer address
	DIO_ERR_DLL_HWND					=	10200,	//	window handle beyond the limit
	DIO_ERR_DLL_TRG_KIND				=	10300,	//	trigger kind beyond the limit

//	SYS	Error
//	Common
	DIO_ERR_SYS_MEMORY					=	20000,	//	not secure memory
	DIO_ERR_SYS_NOT_SUPPORTED			=	20001,	//	this board couldn't use this function
	DIO_ERR_SYS_BOARD_EXECUTING			=	20002,	//	board is behaving, not execute
	DIO_ERR_SYS_USING_OTHER_PROCESS		=	20003,	//	other process is using the device, not execute

	STATUS_SYS_USB_CRC					=	20020,	//	the last data packet received from end point exist CRC error
	STATUS_SYS_USB_BTSTUFF				=	20021,	//	the last data packet received from end point exist bit stuffing offense error
	STATUS_SYS_USB_DATA_TOGGLE_MISMATCH	=	20022,	//	the last data packet received from end point exist toggle packet mismatch error
	STATUS_SYS_USB_STALL_PID			=	20023,	//	end point return STALL packet identifier
	STATUS_SYS_USB_DEV_NOT_RESPONDING	=	20024,	//	device don't respond to token(IN), don't support handshake
	STATUS_SYS_USB_PID_CHECK_FAILURE	=	20025,	
	STATUS_SYS_USB_UNEXPECTED_PID		=	20026,	//	invalid packet identifier received
	STATUS_SYS_USB_DATA_OVERRUN			=	20027,	//	end point return data quantity overrun
	STATUS_SYS_USB_DATA_UNDERRUN		=	20028,	//	end point return data quantity underrun
	STATUS_SYS_USB_BUFFER_OVERRUN		=	20029,	//	IN transmit specified buffer overrun
	STATUS_SYS_USB_BUFFER_UNDERRUN		=	20030,	//	OUT transmit specified buffer underrun
	STATUS_SYS_USB_ENDPOINT_HALTED		=	20031,	//	end point status is STALL, not transmit
	STATUS_SYS_USB_NOT_FOUND_DEVINFO	=	20032,	//	not found device infomation
	STATUS_SYS_USB_ACCESS_DENIED		=	20033,	//	Access denied
	STATUS_SYS_USB_INVALID_HANDLE		=	20034,	//	Invalid handle

//	DIO
	DIO_ERR_SYS_PORT_NO					=	20100,	//	board No. beyond the limit
	DIO_ERR_SYS_PORT_NUM				=	20101,	//	board number beyond the limit
	DIO_ERR_SYS_BIT_NO					=	20102,	//	bit No. beyond the limit
	DIO_ERR_SYS_BIT_NUM					=	20103,	//	bit number beyond the limit
	DIO_ERR_SYS_BIT_DATA				=	20104,	//	bit data beyond the limit of 0 to 1
	DIO_ERR_SYS_INT_BIT					=	20200,	//	interrupt bit beyond the limit
	DIO_ERR_SYS_INT_LOGIC				=	20201,	//	interrupt logic beyond the limit
	DIO_ERR_SYS_TIM						=	20300,	//	timer value beyond the limit
	DIO_ERR_SYS_FILTER					=	20400,	//	filter number beyond the limit
	DIO_ERR_SYS_IODIRECTION				=	20500,	//	Direction value is out of range

//  DM
	DIO_ERR_SYS_SIGNAL					=	21000,	//	Usable signal is outside the setting range.
	DIO_ERR_SYS_START					=	21001,	//	Usable start conditions are outside the setting range.
	DIO_ERR_SYS_CLOCK					=	21002,	//	Clock conditions are outside the setting range.
	DIO_ERR_SYS_CLOCK_VAL				=	21003,	//	Clock value is outside the setting range.
	DIO_ERR_SYS_CLOCK_UNIT				=	21004,	//	Clock value unit is outside the setting range.
	DIO_ERR_SYS_STOP					=	21005,	//	Stop conditions are outside the setting range.
	DIO_ERR_SYS_STOP_NUM				=	21006,	//	Stop number is outside the setting range.
	DIO_ERR_SYS_RESET					=	21007,	//	Contents of reset are outside the setting range.
	DIO_ERR_SYS_LEN						=	21008,	//	Data number is outside the setting range.
	DIO_ERR_SYS_RING					=	21009,	//	Buffer repetition use setup is outside the setting range.
	DIO_ERR_SYS_COUNT					=	21010,	//	Data transmission number is outside the setting range.
	DIO_ERR_DM_BUFFER					=	21100,	//	Buffer was too large and has not secured.
	DIO_ERR_DM_LOCK_MEMORY				=	21101,	//	Memory has not been locked.
	DIO_ERR_DM_PARAM					=	21102,	//	Parameter error
	DIO_ERR_DM_SEQUENCE					=	21103	//	Procedure error of execution
}

namespace OnlineStore.DeviceLibrary
{
	unsafe public delegate void PINTCALLBACK(short Id, int wParam, int lParam, void *Param);	
	unsafe public delegate void PTRGCALLBACK(short Id, int wParam, int lParam, void *Param);	
	unsafe public delegate void PDMCOUNTCALLBACK(short Id, int wParam, int lParam, void *Param);	
	unsafe public delegate void PDMSTOPCALLBACK(short Id, int wParam, int lParam, void *Param);

	public class Cdio
	{
		// Definition of common functions
		[DllImport("cdio.dll")] static extern int DioInit(string DeviceName, ref short Id);
		[DllImport("cdio.dll")] static extern int DioExit(short Id);
		[DllImport("cdio.dll")] static extern int DioResetDevice(short Id);
		[DllImport("cdio.dll")] static extern int DioGetErrorString(int ErrorCode, System.Text.StringBuilder ErrorString);

		// Digital filter functions
		[DllImport("cdio.dll")] static extern int DioSetDigitalFilter(short Id, short FilterValue);
		[DllImport("cdio.dll")] static extern int DioGetDigitalFilter(short Id, ref short FilterValue);
		
		// I/O Direction functions
		[DllImport("cdio.dll")] static extern int DioSetIoDirection(short Id, uint dwDir);
		[DllImport("cdio.dll")] static extern int DioGetIoDirection(short Id, ref uint dwDir);
		[DllImport("cdio.dll")] static extern int DioSetIoDirectionEx(short Id, uint dwDir);
		[DllImport("cdio.dll")] static extern int DioGetIoDirectionEx(short Id, ref uint dwDir);
		[DllImport("cdio.dll")] static extern int DioSet8255Mode(short Id, short ChipNo, short CtrlWord);
		[DllImport("cdio.dll")] static extern int DioGet8255Mode(short Id, short ChipNo, ref short CtrlWord);
		
		// Simple I/O functions
		[DllImport("cdio.dll")] static extern int DioInpByte(short Id, short PortNo, ref byte Data);
		[DllImport("cdio.dll")] static extern int DioInpBit(short Id, short BitNo, ref byte Data);
		[DllImport("cdio.dll")] static extern int DioOutByte(short Id, short PortNo, byte Data);
		[DllImport("cdio.dll")] static extern int DioOutBit(short Id, short BitNo, byte Data);
		[DllImport("cdio.dll")] static extern int DioEchoBackByte(short Id, short PortNo, ref byte Data);
		[DllImport("cdio.dll")] static extern int DioEchoBackBit(short Id, short BitNo, ref byte Data);
		
		// Multiple I/O functions 多个Io同时操作
		[DllImport("cdio.dll")] static extern int DioInpMultiByte(short Id, [MarshalAs(UnmanagedType.LPArray)] short[] PortNo, short PortNum, [MarshalAs(UnmanagedType.LPArray)] byte[] Data);
		[DllImport("cdio.dll")] static extern int DioInpMultiBit(short Id, [MarshalAs(UnmanagedType.LPArray)] short[] BitNo, short BitNum, [MarshalAs(UnmanagedType.LPArray)] byte[] Data);
		[DllImport("cdio.dll")] static extern int DioOutMultiByte(short Id, [MarshalAs(UnmanagedType.LPArray)] short[] PortNo, short PortNum, [MarshalAs(UnmanagedType.LPArray)] byte[] Data);
		[DllImport("cdio.dll")] static extern int DioOutMultiBit(short Id, [MarshalAs(UnmanagedType.LPArray)] short[] BitNo, short BitNum, [MarshalAs(UnmanagedType.LPArray)] byte[] Data);
		[DllImport("cdio.dll")] static extern int DioEchoBackMultiByte(short Id, [MarshalAs(UnmanagedType.LPArray)] short[] PortNo, short PortNum, [MarshalAs(UnmanagedType.LPArray)] byte[] Data);
		[DllImport("cdio.dll")] static extern int DioEchoBackMultiBit(short Id, [MarshalAs(UnmanagedType.LPArray)] short[] BitNo, short BitNum, [MarshalAs(UnmanagedType.LPArray)] byte[] Data);
		
		// Interrupt functions
		[DllImport("cdio.dll")] static extern int DioNotifyInterrupt(short Id, short IntBit, short Logic, int hWnd);
		[DllImport("cdio.dll")] unsafe static extern int DioSetInterruptCallBackProc(short Id, PINTCALLBACK pIntCallBack, void *Param);
		
		// Trigger functions
		[DllImport("cdio.dll")] static extern int DioNotifyTrg(short Id, short TrgBit, short TrgKind, int Tim, int hWnd);
		[DllImport("cdio.dll")] static extern int DioStopNotifyTrg(short Id, short TrgBit);
		[DllImport("cdio.dll")] static extern int DioSetTrgCallBackProc(short Id, PTRGCALLBACK CallBackProc, ref int Param);
		
		// Information functions
		[DllImport("cdio.dll")] static extern int DioGetDeviceInfo(string Device, short InfoType, ref int Param1, ref int Param2, ref int Param3);
		[DllImport("cdio.dll")] static extern int DioQueryDeviceName(short Index, System.Text.StringBuilder DeviceName, System.Text.StringBuilder Device);
		[DllImport("cdio.dll")] static extern int DioGetDeviceType(string Device, ref short DeviceType);
		[DllImport("cdio.dll")] static extern int DioGetMaxPorts(short Id, ref short InPortNum, ref short OutPortNum);

		//dm functions
		[DllImport("cdio.DLL")] static extern int DioDmSetDirection(short Id, short Direction);
		[DllImport("cdio.DLL")] static extern int DioDmGetDirection(short Id, ref short Direction);
		[DllImport("cdio.DLL")] static extern int DioDmSetStandAlone(short Id);
		[DllImport("cdio.DLL")] static extern int DioDmSetMaster(short Id, short ExtSig1, short ExtSig2, short ExtSig3, short MasterHalt, short SlaveHalt);
		[DllImport("cdio.DLL")] static extern int DioDmSetSlave(short Id, short ExtSig1, short ExtSig2, short ExtSig3, short MasterHalt, short SlaveHalt);
		[DllImport("cdio.DLL")] static extern int DioDmSetStartTrigger(short Id, short Direction, short Start);
		[DllImport("cdio.DLL")] static extern int DioDmSetStartPattern(short Id, uint Pattern, uint Mask);
		[DllImport("cdio.DLL")] static extern int DioDmSetClockTrigger(short Id, short Direction, short Clock);
		[DllImport("cdio.DLL")] static extern int DioDmSetInternalClock(short Id, short Direction, uint Clock, short Unit);
		[DllImport("cdio.DLL")] static extern int DioDmSetStopTrigger(short Id, short Direction, short Stop);
		[DllImport("cdio.DLL")] static extern int DioDmSetStopNumber(short Id, short Direction, uint StopNumber);
		[DllImport("cdio.DLL")] static extern int DioDmFifoReset(short Id, short Reset);
		[DllImport("cdio.DLL")] static extern int DioDmSetBuffer(short Id, short Direction, IntPtr Buffer, uint Length, short IsRing);
		[DllImport("cdio.DLL")] static extern int DioDmSetTransferStartWait(short Id, short Time);
		[DllImport("cdio.DLL")] static extern int DioDmTransferStart(short Id, short Direction);
		[DllImport("cdio.DLL")] static extern int DioDmTransferStop(short Id, short Direction);
		[DllImport("cdio.DLL")] static extern int DioDmGetStatus(short Id, short Direction, ref uint Status, ref uint Err);
		[DllImport("cdio.DLL")] static extern int DioDmGetCount(short Id, short Direction, ref uint Count, ref uint Carry);
		[DllImport("cdio.DLL")] static extern int DioDmGetWritePointer(short Id, short Direction, ref uint WritePointer, ref uint Count, ref uint Carry);
		[DllImport("cdio.DLL")] static extern int DioDmSetStopEvent(short Id, short Direction, int hWnd);
		[DllImport("cdio.DLL")] unsafe static extern int DioDmSetStopCallBackProc(short Id, PDMSTOPCALLBACK CallBackProc, void *Param);
		[DllImport("cdio.DLL")] static extern int DioDmSetCountEvent(short Id, short Direction, uint Count, int hWnd);
		[DllImport("cdio.DLL")] unsafe static extern int DioDmSetCountCallBackProc(short Id, PDMCOUNTCALLBACK CallBackProc, void *Param);

		// Demo Device I/O functions
		[DllImport("cdio.dll")] static extern int DioSetDemoByte(short Id, short PortNo, byte Data);
		[DllImport("cdio.dll")] static extern int DioSetDemoBit(short Id, short BitNo, byte Data);

		// Constructor
		public Cdio()
		{
		}

		// Description of common functions
		public int Init(string DeviceName, out short Id)
		{
            //初始化
			Id = 0;
			int ret	= DioInit(DeviceName, ref Id);
			return	ret;
		}

		public int Exit(short Id)
		{//退出
			int ret = DioExit(Id);
			return ret;
		}

		public int ResetDevice(short Id)
		{
			int ret = DioResetDevice(Id);
			return ret;
		}

		public int GetErrorString(int ErrorCode, out string ErrorString)
		{//获取错误信息
			ErrorString = new String('0', 1);
			System.Text.StringBuilder errorstring = new System.Text.StringBuilder(256);
			int ret = DioGetErrorString(ErrorCode, errorstring);
			if(ret == 0)
			{
				ErrorString = errorstring.ToString();
			}
			return ret;
		}

		// Digital filter functions
		public int SetDigitalFilter(short Id, short FilterValue)
		{
			int ret = DioSetDigitalFilter(Id, FilterValue);
			return ret;
		}

		public int GetDigitalFilter(short Id, out short FilterValue)
		{
			FilterValue = 0;
			int ret = DioGetDigitalFilter(Id, ref FilterValue);
			return ret;
		}

		// I/O Direction functions
		public int SetIoDirection(short Id, uint dwDir)
		{
			int ret = DioSetIoDirection(Id, dwDir);
			return ret;
		}

		public int GetIoDirection(short Id, out uint dwDir)
		{
			dwDir = 0;
			int ret = DioGetIoDirection(Id, ref dwDir);
			return ret;
		}

		public int Set8255Mode(short Id, short ChipNo, short CtrlWord)
		{
			int ret = DioSet8255Mode(Id, ChipNo, CtrlWord);
			return ret;
		}

		public int Get8255Mode(short Id, short ChipNo, out short CtrlWord)
		{
			CtrlWord = 0;
			int ret = DioGet8255Mode(Id, ChipNo, ref CtrlWord);
			return ret;
		}

		public int SetIoDirectionEx(short Id, uint dwDir)
		{
			int ret = DioSetIoDirectionEx(Id, dwDir);
			return ret;
		}

		public int GetIoDirectionEx(short Id, out uint dwDir)
		{
			dwDir = 0;
			int ret = DioGetIoDirectionEx(Id, ref dwDir);
			return ret;
		}

		// Simple I/O functions
		public int InpByte(short Id, short PortNo, out byte Data)
		{//获取单个端口的Io值，portNo=十六进制。 返回十六进制
			Data = 0;
			int ret = DioInpByte(Id, PortNo, ref Data);
			return ret;
		}

		public int InpBit(short Id, short BitNo, out byte Data)
		{
            //读取单个IO，按位读取
			Data = 0;
			int ret = DioInpBit(Id, BitNo, ref Data);
			return ret;
		}

		public int OutByte(short Id, short PortNo, byte Data)
		{//写DO
			int ret = DioOutByte(Id, PortNo, Data);
			return ret;
		}

		public int OutBit(short Id, short BitNo, byte Data)
		{
			int ret = DioOutBit(Id, BitNo, Data);
			return ret;
		}

		public int EchoBackByte(short Id, short PortNo, out byte Data)
		{//读DO
			Data = 0;
			int ret = DioEchoBackByte(Id, PortNo, ref Data);
			return ret;
		}

		public int EchoBackBit(short Id, short BitNo, out byte Data)
		{//读DO
			Data = 0;
			int ret = DioEchoBackBit(Id, BitNo, ref Data);
			return ret;
		}

		// Multiple I/O functions
		public int InpMultiByte(short Id, short[] PortNo, short PortNum, byte[] Data)
		{
            //获取多个端口的Io值
			int ret = DioInpMultiByte(Id, PortNo, PortNum, Data);
			return ret;
		}

		public int InpMultiBit(short Id, short[] BitNo, short BitNum, byte[] Data)
		{
			int ret = DioInpMultiBit(Id, BitNo, BitNum, Data);
			return ret;
		}

		public int OutMultiByte(short Id, short[] PortNo, short PortNum, byte[] Data)
		{//写多个DO
			int ret = DioOutMultiByte(Id, PortNo, PortNum, Data);
			return ret;
		}

		public int OutMultiBit(short Id, short[] BitNo, short BitNum, byte[] Data)
		{
			int ret = DioOutMultiBit(Id, BitNo, BitNum, Data);
			return ret;
		}

		public int EchoBackMultiByte(short Id, short[] PortNo, short PortNum, byte[] Data)
		{
			int ret = DioEchoBackMultiByte(Id, PortNo, PortNum, Data);
			return ret;
		}

		public int EchoBackMultiBit(short Id, short[] BitNo, short BitNum, byte[] Data)
		{
			int ret = DioEchoBackMultiBit(Id, BitNo, BitNum, Data);
			return ret;
		}

		// Interrupt functions

        
		public int NotifyInterrupt(short Id, short IntBit, short Logic, int hWnd)
		{
            //中断，通过WndProc接受消息
			int ret = DioNotifyInterrupt(Id, IntBit, Logic, hWnd);
			return ret;
		}

		unsafe public int SetInterruptCallBackProc(short Id, PINTCALLBACK pIntCallBack, void *Param)
		{
			int ret = DioSetInterruptCallBackProc(Id, pIntCallBack, Param);
			return ret;
		}

		// Trigger functions
		public int NotifyTrg(short Id, short TrgBit, short TrgKind, int Tim, int hWnd)
		{
			int ret = DioNotifyTrg(Id, TrgBit, TrgKind, Tim, hWnd);
			return ret;
		}

		public int StopNotifyTrg(short Id, short TrgBit)
		{
			int ret = DioStopNotifyTrg(Id, TrgBit);
			return ret;
		}

		public int SetTrgCallBackProc(short Id, PTRGCALLBACK CallBackProc, out int Param)
		{
			Param = 0;
			int ret = DioSetTrgCallBackProc(Id, CallBackProc, ref Param);
			return ret;
		}

		// Information functions
		public int GetDeviceInfo(string Device, short InfoType, out int Param1, out int Param2, out int Param3)
		{
			Param1 = 0;
			Param2 = 0;
			Param3 = 0;
			int ret = DioGetDeviceInfo(Device, InfoType, ref Param1, ref Param2, ref Param3);
			return ret;
		}

		public int QueryDeviceName(short Index, out string DeviceName, out string Device)
		{
			DeviceName = new String('0', 1);
			Device = new String('0', 1);
			System.Text.StringBuilder devicename = new System.Text.StringBuilder(256);
			System.Text.StringBuilder device = new System.Text.StringBuilder(256);
			int ret = DioQueryDeviceName(Index, devicename, device);
			if(ret == 0)
			{
				DeviceName = devicename.ToString();
				Device = device.ToString();
			}
			return ret;
		}

		public int GetDeviceType(string Device, out short DeviceType)
		{
			DeviceType = 0;
			int ret = DioGetDeviceType(Device, ref DeviceType);
			return ret;
		}

		public int GetMaxPorts(short Id, out short InPortNum, out short OutPortNum)
		{
            //获取输入输出端口数量，1个端口表示8个Io

			InPortNum = 0;
			OutPortNum = 0;
			int ret = DioGetMaxPorts(Id, ref InPortNum, ref OutPortNum);
			return ret;
		}
		
		public int DmSetDirection(short Id, short Direction)
		{
			int ret = DioDmSetDirection(Id, Direction);
			return ret;
		}

		public int DmGetDirection(short Id, out short Direction)
		{
			Direction = 0;
			int ret = DioDmGetDirection(Id, ref Direction);
			return ret;
		}

		public int DmSetStandAlone(short Id)
		{
			int ret = DioDmSetStandAlone(Id);
			return ret;
		}

		public int DmSetMaster(short Id, short ExtSig1, short ExtSig2, short ExtSig3, short MasterHalt, short SlaveHalt)
		{
			int ret = DioDmSetMaster(Id, ExtSig1, ExtSig2, ExtSig3, MasterHalt, SlaveHalt);
			return ret;
		}

		public int DmSetSlave(short Id, short ExtSig1, short ExtSig2, short ExtSig3, short MasterHalt, short SlaveHalt)
		{
			int ret = DioDmSetSlave(Id, ExtSig1, ExtSig2, ExtSig3, MasterHalt, SlaveHalt);
			return ret;
		}

		public int DmSetStartTrigger(short Id, short Direction, short Start)
		{
			int ret = DioDmSetStartTrigger(Id, Direction, Start);
			return ret;
		}

		public int DmSetStartPattern(short Id, uint Pattern, uint Mask)
		{
			int ret = DioDmSetStartPattern(Id, Pattern, Mask);
			return ret;
		}

		public int DmSetClockTrigger(short Id, short Direction, short Clock)
		{
			int ret = DioDmSetClockTrigger(Id, Direction, Clock);
			return ret;
		}

		public int DmSetInternalClock(short Id, short Direction, uint Clock, short Unit)
		{
			int ret = DioDmSetInternalClock(Id, Direction, Clock, Unit);
			return ret;
		}

		public int DmSetStopTrigger(short Id, short Direction, short Stop)
		{
			int ret = DioDmSetStopTrigger(Id, Direction, Stop);
			return ret;
		}

		public int DmSetStopNumber(short Id, short Direction, uint StopNumber)
		{
			int ret = DioDmSetStopNumber(Id, Direction, StopNumber);
			return ret;
		}

		public int DmFifoReset(short Id, short Reset)
		{
			int ret = DioDmFifoReset(Id, Reset);
			return ret;
		}

		public int DmSetBuffer(short Id, short Direction, IntPtr Buffer, uint Length, short IsRing)
		{
			int ret = DioDmSetBuffer(Id, Direction, Buffer, Length, IsRing);
			return ret;
		}

		public int DmSetTransferStartWait(short Id, short Time)
		{
			int ret = DioDmSetTransferStartWait(Id, Time);
			return ret;
		}

		public int DmTransferStart(short Id, short Direction)
		{
			int ret = DioDmTransferStart(Id, Direction);
			return ret;
		}

		public int DmTransferStop(short Id, short Direction)
		{
			int ret = DioDmTransferStop(Id, Direction);
			return ret;
		}

		public int DmGetStatus(short Id, short Direction, out uint Status, out uint Err)
		{
			Status = 0;
			Err = 0;
			int ret = DioDmGetStatus(Id, Direction, ref Status, ref Err);
			return ret;
		}

		public int DmGetCount(short Id, short Direction, out uint Count, out uint Carry)
		{
			Count = 0;
			Carry = 0;
			int ret = DioDmGetCount(Id, Direction, ref Count, ref Carry);
			return ret;
		}

		public int DmGetWritePointer(short Id, short Direction, out uint WritePointer, out uint Count, out uint Carry)
		{
			WritePointer = 0;
			Count = 0;
			Carry = 0;
			int ret = DioDmGetWritePointer(Id, Direction, ref WritePointer, ref Count, ref Carry);
			return ret;
		}

		public int DmSetStopEvent(short Id, short Direction, int hWnd)
		{
			int ret = DioDmSetStopEvent(Id, Direction, hWnd);
			return ret;
		}

		unsafe public int DmSetStopCallBackProc(short Id, PDMSTOPCALLBACK CallBackProc,  void *Param)
		{
			int ret = DioDmSetStopCallBackProc(Id, CallBackProc, Param);
			return ret;
		}

		public int DmSetCountEvent(short Id, short Direction, uint Count, int hWnd)
		{
			int ret = DioDmSetCountEvent(Id, Direction, Count, hWnd);
			return ret;
		}

		unsafe public int DmSetCountCallBackProc(short Id, PDMCOUNTCALLBACK CallBackProc,  void *Param)
		{
			int ret = DioDmSetCountCallBackProc(Id, CallBackProc, Param);
			return ret;
		}

		public int SetDemoByte(short Id, short PortNo, byte Data)
		{
			int ret = DioSetDemoByte(Id, PortNo, Data);
			return ret;
		}

		public int SetDemoBit(short Id, short BitNo, byte Data)
		{
			int ret = DioSetDemoBit(Id, BitNo, Data);
			return ret;
		}

	}
}