FTDI D2XX driver work in progress, works

7 files changed, 1739 insertions, 20 deletions

diff --git a/SimpleMotionV2.pri b/SimpleMotionV2.pri
index 8222018..17aea23 100644
--- a/SimpleMotionV2.pri
+++ b/SimpleMotionV2.pri
@@ -1,3 +1,5 @@
+#User options

+SUPPORT_FTDI_D2XX_DRIVER = 1 #requires FTDI D2XX driver & library. benefit of this support is automatic detection of correct device and automatic low latency setting for FTDI USB serial converters

 

 INCLUDEPATH += $$PWD

 DEPENDPATH += $$PWD

@@ -12,3 +14,13 @@ HEADERS += $$PWD/simplemotion_private.h\
     $$PWD/pcserialport.h $$PWD/busdevice.h  $$PWD/simplemotion.h $$PWD/sm485.h $$PWD/simplemotion_defs.h \

     $$PWD/bufferedmotion.h $$PWD/tcpclient.h $$PWD/devicedeployment.h

 

+

+#If FTDI D2XX support is enabled

+greaterThan(SUPPORT_FTDI_D2XX_DRIVER, 0+)  {

+    SOURCES += $$PWD/drivers/ftdi_d2xx/sm_d2xx.c

+    macx:LIBS              +=

+#    win32:LIBS             += $$PWD/drivers/ftdi_d2xx/static_w32_i386_ftd2xx.lib

+    win32:LIBS             += $$PWD/drivers/ftdi_d2xx/ftd2xx.lib

+    linux:LIBS             +=

+    DEFINES += FTDI_D2XX_SUPPORT

+}

diff --git a/busdevice.c b/busdevice.c
index 4bc0ee0..eff5ccc 100644
--- a/busdevice.c
+++ b/busdevice.c
@@ -2,6 +2,7 @@
 
 #include "pcserialport.h"
 #include "tcpclient.h"
+#include "drivers/ftdi_d2xx/sm_d2xx.h"
 
 #include <string.h>
 #include <errno.h>
@@ -207,8 +208,21 @@ smbusdevicehandle smBDOpen( const char *devicename )
         BusDevice[handle].bdType=BD_TCP;
         BusDevice[handle].txBufferUsed=0;
     }
+#ifdef FTDI_D2XX_SUPPORT
+    else if (strncmp(devicename,"FTDI",4) == 0)//starts with FTDI. Full name is FTDIn where n=index starting from 0.
+    {
+        BusDevice[handle].comPort=d2xxPortOpen( devicename, SMBusBaudrate );
+            if( BusDevice[handle].comPort == -1 )
+        {
+            return -1; //failed to open
+        }
+        BusDevice[handle].bdType=BD_FTDI;
+        BusDevice[handle].txBufferUsed=0;
+    }
+#endif
     else//no other bus types supproted yet
     {
+        smDebug( -1, Low, "smBDOpen device name argument syntax didn't match any supported driver port name");
         return -1;
     }
 
@@ -243,8 +257,16 @@ smbool smBDClose( const smbusdevicehandle handle )
         BusDevice[handle].opened=smfalse;
         return smtrue;
     }
+#ifdef FTDI_D2XX_SUPPORT
+    else if( BusDevice[handle].bdType==BD_FTDI )
+    {
+        d2xxPortClose( BusDevice[handle].comPort );
+        BusDevice[handle].opened=smfalse;
+        return smtrue;
+    }
+#endif
 
-	return smfalse;
+    return smfalse;
 }
 
 
@@ -257,20 +279,15 @@ smbool smBDWrite(const smbusdevicehandle handle, const smuint8 byte )
 	//check if handle valid & open
 	if( smIsBDHandleOpen(handle)==smfalse ) return smfalse;
 
-	if( BusDevice[handle].bdType==BD_RS || BusDevice[handle].bdType==BD_TCP )
-	{
-        if(BusDevice[handle].txBufferUsed<TANSMIT_BUFFER_LENGTH)
-        {
-            //append to buffer
-            BusDevice[handle].txBuffer[BusDevice[handle].txBufferUsed]=byte;
-            BusDevice[handle].txBufferUsed++;
-            return smtrue;
-        }
-        else
-            return smfalse;
-	}
+    if(BusDevice[handle].txBufferUsed<TANSMIT_BUFFER_LENGTH)
+    {
+        //append to buffer
+        BusDevice[handle].txBuffer[BusDevice[handle].txBufferUsed]=byte;
+        BusDevice[handle].txBufferUsed++;
+        return smtrue;
+    }
 
-	return smfalse;
+    return smfalse;
 }
 
 smbool smBDTransmit(const smbusdevicehandle handle)
@@ -304,6 +321,21 @@ smbool smBDTransmit(const smbusdevicehandle handle)
             return smfalse;
         }
     }
+#ifdef FTDI_D2XX_SUPPORT
+    else if( BusDevice[handle].bdType==BD_FTDI )
+    {
+        if(d2xxPortWriteBuffer(BusDevice[handle].comPort,BusDevice[handle].txBuffer, BusDevice[handle].txBufferUsed)==BusDevice[handle].txBufferUsed)
+        {
+            BusDevice[handle].txBufferUsed=0;
+            return smtrue;
+        }
+        else
+        {
+            BusDevice[handle].txBufferUsed=0;
+            return smfalse;
+        }
+    }
+#endif
 
     return smfalse;
 }
@@ -329,7 +361,15 @@ smbool smBDRead( const smbusdevicehandle handle, smuint8 *byte )
         if( n!=1 ) return smfalse;
         else return smtrue;
     }
-
+#ifdef FTDI_D2XX_SUPPORT
+    else if( BusDevice[handle].bdType==BD_FTDI )
+    {
+        int n;
+        n=d2xxPortRead(BusDevice[handle].comPort, byte, 1);
+        if( n!=1 ) return smfalse;
+        else return smtrue;
+    }
+#endif
 
 	return smfalse;
 }
diff --git a/drivers/ftdi_d2xx/ftd2xx.h b/drivers/ftdi_d2xx/ftd2xx.h
new file mode 100644
index 0000000..895f226
--- /dev/null
+++ b/drivers/ftdi_d2xx/ftd2xx.h
@@ -0,0 +1,1446 @@
+/*++
+
+Copyright © 2001-2011 Future Technology Devices International Limited
+
+THIS SOFTWARE IS PROVIDED BY FUTURE TECHNOLOGY DEVICES INTERNATIONAL LIMITED "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+FUTURE TECHNOLOGY DEVICES INTERNATIONAL LIMITED BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE, DATA, OR PROFITS OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FTDI DRIVERS MAY BE USED ONLY IN CONJUNCTION WITH PRODUCTS BASED ON FTDI PARTS.
+
+FTDI DRIVERS MAY BE DISTRIBUTED IN ANY FORM AS LONG AS LICENSE INFORMATION IS NOT MODIFIED.
+
+IF A CUSTOM VENDOR ID AND/OR PRODUCT ID OR DESCRIPTION STRING ARE USED, IT IS THE
+RESPONSIBILITY OF THE PRODUCT MANUFACTURER TO MAINTAIN ANY CHANGES AND SUBSEQUENT WHQL
+RE-CERTIFICATION AS A RESULT OF MAKING THESE CHANGES.
+
+
+Module Name:
+
+ftd2xx.h
+
+Abstract:
+
+Native USB device driver for FTDI FT232x, FT245x, FT2232x and FT4232x devices
+FTD2XX library definitions
+
+Environment:
+
+kernel & user mode
+
+
+--*/
+
+
+#ifndef FTD2XX_H
+#define FTD2XX_H
+
+#ifdef _WIN32
+// Compiling on Windows
+#include <windows.h>
+
+// The following ifdef block is the standard way of creating macros
+// which make exporting from a DLL simpler.  All files within this DLL
+// are compiled with the FTD2XX_EXPORTS symbol defined on the command line.
+// This symbol should not be defined on any project that uses this DLL.
+// This way any other project whose source files include this file see
+// FTD2XX_API functions as being imported from a DLL, whereas this DLL
+// sees symbols defined with this macro as being exported.
+
+#ifdef FTD2XX_EXPORTS
+#define FTD2XX_API __declspec(dllexport)
+#elif defined(FTD2XX_STATIC)
+// Avoid decorations when linking statically to D2XX.
+#define FTD2XX_API
+// Static D2XX depends on these Windows libs:
+#pragma comment(lib, "setupapi.lib")
+#pragma comment(lib, "advapi32.lib")
+#pragma comment(lib, "user32.lib")
+#else
+#define FTD2XX_API __declspec(dllimport)
+#endif
+
+#else // _WIN32
+// Compiling on non-Windows platform.
+#include "WinTypes.h"
+// No decorations needed.
+#define FTD2XX_API
+
+#endif // _WIN32
+
+typedef PVOID	FT_HANDLE;
+typedef ULONG	FT_STATUS;
+
+//
+// Device status
+//
+enum {
+	FT_OK,
+	FT_INVALID_HANDLE,
+	FT_DEVICE_NOT_FOUND,
+	FT_DEVICE_NOT_OPENED,
+	FT_IO_ERROR,
+	FT_INSUFFICIENT_RESOURCES,
+	FT_INVALID_PARAMETER,
+	FT_INVALID_BAUD_RATE,
+
+	FT_DEVICE_NOT_OPENED_FOR_ERASE,
+	FT_DEVICE_NOT_OPENED_FOR_WRITE,
+	FT_FAILED_TO_WRITE_DEVICE,
+	FT_EEPROM_READ_FAILED,
+	FT_EEPROM_WRITE_FAILED,
+	FT_EEPROM_ERASE_FAILED,
+	FT_EEPROM_NOT_PRESENT,
+	FT_EEPROM_NOT_PROGRAMMED,
+	FT_INVALID_ARGS,
+	FT_NOT_SUPPORTED,
+	FT_OTHER_ERROR,
+	FT_DEVICE_LIST_NOT_READY,
+};
+
+
+#define FT_SUCCESS(status) ((status) == FT_OK)
+
+//
+// FT_OpenEx Flags
+//
+
+#define FT_OPEN_BY_SERIAL_NUMBER	1
+#define FT_OPEN_BY_DESCRIPTION		2
+#define FT_OPEN_BY_LOCATION			4
+
+#define FT_OPEN_MASK (FT_OPEN_BY_SERIAL_NUMBER | \
+                      FT_OPEN_BY_DESCRIPTION | \
+                      FT_OPEN_BY_LOCATION)
+
+//
+// FT_ListDevices Flags (used in conjunction with FT_OpenEx Flags
+//
+
+#define FT_LIST_NUMBER_ONLY			0x80000000
+#define FT_LIST_BY_INDEX			0x40000000
+#define FT_LIST_ALL					0x20000000
+
+#define FT_LIST_MASK (FT_LIST_NUMBER_ONLY|FT_LIST_BY_INDEX|FT_LIST_ALL)
+
+//
+// Baud Rates
+//
+
+#define FT_BAUD_300			300
+#define FT_BAUD_600			600
+#define FT_BAUD_1200		1200
+#define FT_BAUD_2400		2400
+#define FT_BAUD_4800		4800
+#define FT_BAUD_9600		9600
+#define FT_BAUD_14400		14400
+#define FT_BAUD_19200		19200
+#define FT_BAUD_38400		38400
+#define FT_BAUD_57600		57600
+#define FT_BAUD_115200		115200
+#define FT_BAUD_230400		230400
+#define FT_BAUD_460800		460800
+#define FT_BAUD_921600		921600
+
+//
+// Word Lengths
+//
+
+#define FT_BITS_8			(UCHAR) 8
+#define FT_BITS_7			(UCHAR) 7
+
+//
+// Stop Bits
+//
+
+#define FT_STOP_BITS_1		(UCHAR) 0
+#define FT_STOP_BITS_2		(UCHAR) 2
+
+//
+// Parity
+//
+
+#define FT_PARITY_NONE		(UCHAR) 0
+#define FT_PARITY_ODD		(UCHAR) 1
+#define FT_PARITY_EVEN		(UCHAR) 2
+#define FT_PARITY_MARK		(UCHAR) 3
+#define FT_PARITY_SPACE		(UCHAR) 4
+
+//
+// Flow Control
+//
+
+#define FT_FLOW_NONE		0x0000
+#define FT_FLOW_RTS_CTS		0x0100
+#define FT_FLOW_DTR_DSR		0x0200
+#define FT_FLOW_XON_XOFF	0x0400
+
+//
+// Purge rx and tx buffers
+//
+#define FT_PURGE_RX			1
+#define FT_PURGE_TX			2
+
+//
+// Events
+//
+
+typedef void (*PFT_EVENT_HANDLER)(DWORD,DWORD);
+
+#define FT_EVENT_RXCHAR			1
+#define FT_EVENT_MODEM_STATUS	2
+#define FT_EVENT_LINE_STATUS	4
+
+//
+// Timeouts
+//
+
+#define FT_DEFAULT_RX_TIMEOUT	300
+#define FT_DEFAULT_TX_TIMEOUT	300
+
+//
+// Device types
+//
+
+typedef ULONG	FT_DEVICE;
+
+enum {
+	FT_DEVICE_BM,
+	FT_DEVICE_AM,
+	FT_DEVICE_100AX,
+	FT_DEVICE_UNKNOWN,
+	FT_DEVICE_2232C,
+	FT_DEVICE_232R,
+	FT_DEVICE_2232H,
+	FT_DEVICE_4232H,
+	FT_DEVICE_232H,
+	FT_DEVICE_X_SERIES,
+	FT_DEVICE_4222H_0,
+	FT_DEVICE_4222H_1_2,
+	FT_DEVICE_4222H_3,
+    FT_DEVICE_4222_PROG,
+    FT_DEVICE_900,
+    FT_DEVICE_930,
+    FT_DEVICE_UMFTPD3A,
+};
+
+//
+// Bit Modes
+//
+
+#define FT_BITMODE_RESET					0x00
+#define FT_BITMODE_ASYNC_BITBANG			0x01
+#define FT_BITMODE_MPSSE					0x02
+#define FT_BITMODE_SYNC_BITBANG				0x04
+#define FT_BITMODE_MCU_HOST					0x08
+#define FT_BITMODE_FAST_SERIAL				0x10
+#define FT_BITMODE_CBUS_BITBANG				0x20
+#define FT_BITMODE_SYNC_FIFO				0x40
+
+//
+// FT232R CBUS Options EEPROM values
+//
+
+#define FT_232R_CBUS_TXDEN					0x00	//	Tx Data Enable
+#define FT_232R_CBUS_PWRON					0x01	//	Power On
+#define FT_232R_CBUS_RXLED					0x02	//	Rx LED
+#define FT_232R_CBUS_TXLED					0x03	//	Tx LED
+#define FT_232R_CBUS_TXRXLED				0x04	//	Tx and Rx LED
+#define FT_232R_CBUS_SLEEP					0x05	//	Sleep
+#define FT_232R_CBUS_CLK48					0x06	//	48MHz clock
+#define FT_232R_CBUS_CLK24					0x07	//	24MHz clock
+#define FT_232R_CBUS_CLK12					0x08	//	12MHz clock
+#define FT_232R_CBUS_CLK6					0x09	//	6MHz clock
+#define FT_232R_CBUS_IOMODE					0x0A	//	IO Mode for CBUS bit-bang
+#define FT_232R_CBUS_BITBANG_WR				0x0B	//	Bit-bang write strobe
+#define FT_232R_CBUS_BITBANG_RD				0x0C	//	Bit-bang read strobe
+
+//
+// FT232H CBUS Options EEPROM values
+//
+
+#define FT_232H_CBUS_TRISTATE				0x00	//	Tristate
+#define FT_232H_CBUS_TXLED					0x01	//	Tx LED
+#define FT_232H_CBUS_RXLED					0x02	//	Rx LED
+#define FT_232H_CBUS_TXRXLED				0x03	//	Tx and Rx LED
+#define FT_232H_CBUS_PWREN					0x04	//	Power Enable
+#define FT_232H_CBUS_SLEEP					0x05	//	Sleep
+#define FT_232H_CBUS_DRIVE_0				0x06	//	Drive pin to logic 0
+#define FT_232H_CBUS_DRIVE_1				0x07	//	Drive pin to logic 1
+#define FT_232H_CBUS_IOMODE					0x08	//	IO Mode for CBUS bit-bang
+#define FT_232H_CBUS_TXDEN					0x09	//	Tx Data Enable
+#define FT_232H_CBUS_CLK30					0x0A	//	30MHz clock
+#define FT_232H_CBUS_CLK15					0x0B	//	15MHz clock
+#define FT_232H_CBUS_CLK7_5					0x0C	//	7.5MHz clock
+
+//
+// FT X Series CBUS Options EEPROM values
+//
+
+#define FT_X_SERIES_CBUS_TRISTATE			0x00	//	Tristate
+#define FT_X_SERIES_CBUS_TXLED				0x01	//	Tx LED
+#define FT_X_SERIES_CBUS_RXLED				0x02	//	Rx LED
+#define FT_X_SERIES_CBUS_TXRXLED			0x03	//	Tx and Rx LED
+#define FT_X_SERIES_CBUS_PWREN				0x04	//	Power Enable
+#define FT_X_SERIES_CBUS_SLEEP				0x05	//	Sleep
+#define FT_X_SERIES_CBUS_DRIVE_0			0x06	//	Drive pin to logic 0
+#define FT_X_SERIES_CBUS_DRIVE_1			0x07	//	Drive pin to logic 1
+#define FT_X_SERIES_CBUS_IOMODE				0x08	//	IO Mode for CBUS bit-bang
+#define FT_X_SERIES_CBUS_TXDEN				0x09	//	Tx Data Enable
+#define FT_X_SERIES_CBUS_CLK24				0x0A	//	24MHz clock
+#define FT_X_SERIES_CBUS_CLK12				0x0B	//	12MHz clock
+#define FT_X_SERIES_CBUS_CLK6				0x0C	//	6MHz clock
+#define FT_X_SERIES_CBUS_BCD_CHARGER		0x0D	//	Battery charger detected
+#define FT_X_SERIES_CBUS_BCD_CHARGER_N		0x0E	//	Battery charger detected inverted
+#define FT_X_SERIES_CBUS_I2C_TXE			0x0F	//	I2C Tx empty
+#define FT_X_SERIES_CBUS_I2C_RXF			0x10	//	I2C Rx full
+#define FT_X_SERIES_CBUS_VBUS_SENSE			0x11	//	Detect VBUS
+#define FT_X_SERIES_CBUS_BITBANG_WR			0x12	//	Bit-bang write strobe
+#define FT_X_SERIES_CBUS_BITBANG_RD			0x13	//	Bit-bang read strobe
+#define FT_X_SERIES_CBUS_TIMESTAMP			0x14	//	Toggle output when a USB SOF token is received
+#define FT_X_SERIES_CBUS_KEEP_AWAKE			0x15	//	
+
+
+// Driver types
+#define FT_DRIVER_TYPE_D2XX		0
+#define FT_DRIVER_TYPE_VCP		1
+
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#ifdef FTD2XX_STATIC
+    FTD2XX_API
+        FT_STATUS WINAPI FT_Initialise(
+        void
+        );
+
+    FTD2XX_API
+        void WINAPI FT_Finalise(
+        void
+        );
+#endif // FTD2XX_STATIC
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_Open(
+		int deviceNumber,
+		FT_HANDLE *pHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_OpenEx(
+		PVOID pArg1,
+		DWORD Flags,
+		FT_HANDLE *pHandle
+		);
+
+	FTD2XX_API 
+		FT_STATUS WINAPI FT_ListDevices(
+		PVOID pArg1,
+		PVOID pArg2,
+		DWORD Flags
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_Close(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_Read(
+		FT_HANDLE ftHandle,
+		LPVOID lpBuffer,
+		DWORD dwBytesToRead,
+		LPDWORD lpBytesReturned
+		);
+
+	FTD2XX_API 
+		FT_STATUS WINAPI FT_Write(
+		FT_HANDLE ftHandle,
+		LPVOID lpBuffer,
+		DWORD dwBytesToWrite,
+		LPDWORD lpBytesWritten
+		);
+
+	FTD2XX_API 
+		FT_STATUS WINAPI FT_IoCtl(
+		FT_HANDLE ftHandle,
+		DWORD dwIoControlCode,
+		LPVOID lpInBuf,
+		DWORD nInBufSize,
+		LPVOID lpOutBuf,
+		DWORD nOutBufSize,
+		LPDWORD lpBytesReturned,
+		LPOVERLAPPED lpOverlapped
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetBaudRate(
+		FT_HANDLE ftHandle,
+		ULONG BaudRate
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetDivisor(
+		FT_HANDLE ftHandle,
+		USHORT Divisor
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetDataCharacteristics(
+		FT_HANDLE ftHandle,
+		UCHAR WordLength,
+		UCHAR StopBits,
+		UCHAR Parity
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetFlowControl(
+		FT_HANDLE ftHandle,
+		USHORT FlowControl,
+		UCHAR XonChar,
+		UCHAR XoffChar
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_ResetDevice(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetDtr(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_ClrDtr(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetRts(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_ClrRts(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetModemStatus(
+		FT_HANDLE ftHandle,
+		ULONG *pModemStatus
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetChars(
+		FT_HANDLE ftHandle,
+		UCHAR EventChar,
+		UCHAR EventCharEnabled,
+		UCHAR ErrorChar,
+		UCHAR ErrorCharEnabled
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_Purge(
+		FT_HANDLE ftHandle,
+		ULONG Mask
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetTimeouts(
+		FT_HANDLE ftHandle,
+		ULONG ReadTimeout,
+		ULONG WriteTimeout
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetQueueStatus(
+		FT_HANDLE ftHandle,
+		DWORD *dwRxBytes
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetEventNotification(
+		FT_HANDLE ftHandle,
+		DWORD Mask,
+		PVOID Param
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetStatus(
+		FT_HANDLE ftHandle,
+		DWORD *dwRxBytes,
+		DWORD *dwTxBytes,
+		DWORD *dwEventDWord
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetBreakOn(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetBreakOff(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetWaitMask(
+		FT_HANDLE ftHandle,
+		DWORD Mask
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_WaitOnMask(
+		FT_HANDLE ftHandle,
+		DWORD *Mask
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetEventStatus(
+		FT_HANDLE ftHandle,
+		DWORD *dwEventDWord
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_ReadEE(
+		FT_HANDLE ftHandle,
+		DWORD dwWordOffset,
+		LPWORD lpwValue
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_WriteEE(
+		FT_HANDLE ftHandle,
+		DWORD dwWordOffset,
+		WORD wValue
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EraseEE(
+		FT_HANDLE ftHandle
+		);
+
+	//
+	// structure to hold program data for FT_EE_Program, FT_EE_ProgramEx, FT_EE_Read 
+	// and FT_EE_ReadEx functions
+	//
+	typedef struct ft_program_data {
+
+		DWORD Signature1;			// Header - must be 0x00000000 
+		DWORD Signature2;			// Header - must be 0xffffffff
+		DWORD Version;				// Header - FT_PROGRAM_DATA version
+		//			0 = original
+		//			1 = FT2232 extensions
+		//			2 = FT232R extensions
+		//			3 = FT2232H extensions
+		//			4 = FT4232H extensions
+		//			5 = FT232H extensions
+
+		WORD VendorId;				// 0x0403
+		WORD ProductId;				// 0x6001
+		char *Manufacturer;			// "FTDI"
+		char *ManufacturerId;		// "FT"
+		char *Description;			// "USB HS Serial Converter"
+		char *SerialNumber;			// "FT000001" if fixed, or NULL
+		WORD MaxPower;				// 0 < MaxPower <= 500
+		WORD PnP;					// 0 = disabled, 1 = enabled
+		WORD SelfPowered;			// 0 = bus powered, 1 = self powered
+		WORD RemoteWakeup;			// 0 = not capable, 1 = capable
+		//
+		// Rev4 (FT232B) extensions
+		//
+		UCHAR Rev4;					// non-zero if Rev4 chip, zero otherwise
+		UCHAR IsoIn;				// non-zero if in endpoint is isochronous
+		UCHAR IsoOut;				// non-zero if out endpoint is isochronous
+		UCHAR PullDownEnable;		// non-zero if pull down enabled
+		UCHAR SerNumEnable;			// non-zero if serial number to be used
+		UCHAR USBVersionEnable;		// non-zero if chip uses USBVersion
+		WORD USBVersion;			// BCD (0x0200 => USB2)
+		//
+		// Rev 5 (FT2232) extensions
+		//
+		UCHAR Rev5;					// non-zero if Rev5 chip, zero otherwise
+		UCHAR IsoInA;				// non-zero if in endpoint is isochronous
+		UCHAR IsoInB;				// non-zero if in endpoint is isochronous
+		UCHAR IsoOutA;				// non-zero if out endpoint is isochronous
+		UCHAR IsoOutB;				// non-zero if out endpoint is isochronous
+		UCHAR PullDownEnable5;		// non-zero if pull down enabled
+		UCHAR SerNumEnable5;		// non-zero if serial number to be used
+		UCHAR USBVersionEnable5;	// non-zero if chip uses USBVersion
+		WORD USBVersion5;			// BCD (0x0200 => USB2)
+		UCHAR AIsHighCurrent;		// non-zero if interface is high current
+		UCHAR BIsHighCurrent;		// non-zero if interface is high current
+		UCHAR IFAIsFifo;			// non-zero if interface is 245 FIFO
+		UCHAR IFAIsFifoTar;			// non-zero if interface is 245 FIFO CPU target
+		UCHAR IFAIsFastSer;			// non-zero if interface is Fast serial
+		UCHAR AIsVCP;				// non-zero if interface is to use VCP drivers
+		UCHAR IFBIsFifo;			// non-zero if interface is 245 FIFO
+		UCHAR IFBIsFifoTar;			// non-zero if interface is 245 FIFO CPU target
+		UCHAR IFBIsFastSer;			// non-zero if interface is Fast serial
+		UCHAR BIsVCP;				// non-zero if interface is to use VCP drivers
+		//
+		// Rev 6 (FT232R) extensions
+		//
+		UCHAR UseExtOsc;			// Use External Oscillator
+		UCHAR HighDriveIOs;			// High Drive I/Os
+		UCHAR EndpointSize;			// Endpoint size
+		UCHAR PullDownEnableR;		// non-zero if pull down enabled
+		UCHAR SerNumEnableR;		// non-zero if serial number to be used
+		UCHAR InvertTXD;			// non-zero if invert TXD
+		UCHAR InvertRXD;			// non-zero if invert RXD
+		UCHAR InvertRTS;			// non-zero if invert RTS
+		UCHAR InvertCTS;			// non-zero if invert CTS
+		UCHAR InvertDTR;			// non-zero if invert DTR
+		UCHAR InvertDSR;			// non-zero if invert DSR
+		UCHAR InvertDCD;			// non-zero if invert DCD
+		UCHAR InvertRI;				// non-zero if invert RI
+		UCHAR Cbus0;				// Cbus Mux control
+		UCHAR Cbus1;				// Cbus Mux control
+		UCHAR Cbus2;				// Cbus Mux control
+		UCHAR Cbus3;				// Cbus Mux control
+		UCHAR Cbus4;				// Cbus Mux control
+		UCHAR RIsD2XX;				// non-zero if using D2XX driver
+		//
+		// Rev 7 (FT2232H) Extensions
+		//
+		UCHAR PullDownEnable7;		// non-zero if pull down enabled
+		UCHAR SerNumEnable7;		// non-zero if serial number to be used
+		UCHAR ALSlowSlew;			// non-zero if AL pins have slow slew
+		UCHAR ALSchmittInput;		// non-zero if AL pins are Schmitt input
+		UCHAR ALDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR AHSlowSlew;			// non-zero if AH pins have slow slew
+		UCHAR AHSchmittInput;		// non-zero if AH pins are Schmitt input
+		UCHAR AHDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR BLSlowSlew;			// non-zero if BL pins have slow slew
+		UCHAR BLSchmittInput;		// non-zero if BL pins are Schmitt input
+		UCHAR BLDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR BHSlowSlew;			// non-zero if BH pins have slow slew
+		UCHAR BHSchmittInput;		// non-zero if BH pins are Schmitt input
+		UCHAR BHDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR IFAIsFifo7;			// non-zero if interface is 245 FIFO
+		UCHAR IFAIsFifoTar7;		// non-zero if interface is 245 FIFO CPU target
+		UCHAR IFAIsFastSer7;		// non-zero if interface is Fast serial
+		UCHAR AIsVCP7;				// non-zero if interface is to use VCP drivers
+		UCHAR IFBIsFifo7;			// non-zero if interface is 245 FIFO
+		UCHAR IFBIsFifoTar7;		// non-zero if interface is 245 FIFO CPU target
+		UCHAR IFBIsFastSer7;		// non-zero if interface is Fast serial
+		UCHAR BIsVCP7;				// non-zero if interface is to use VCP drivers
+		UCHAR PowerSaveEnable;		// non-zero if using BCBUS7 to save power for self-powered designs
+		//
+		// Rev 8 (FT4232H) Extensions
+		//
+		UCHAR PullDownEnable8;		// non-zero if pull down enabled
+		UCHAR SerNumEnable8;		// non-zero if serial number to be used
+		UCHAR ASlowSlew;			// non-zero if A pins have slow slew
+		UCHAR ASchmittInput;		// non-zero if A pins are Schmitt input
+		UCHAR ADriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR BSlowSlew;			// non-zero if B pins have slow slew
+		UCHAR BSchmittInput;		// non-zero if B pins are Schmitt input
+		UCHAR BDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR CSlowSlew;			// non-zero if C pins have slow slew
+		UCHAR CSchmittInput;		// non-zero if C pins are Schmitt input
+		UCHAR CDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR DSlowSlew;			// non-zero if D pins have slow slew
+		UCHAR DSchmittInput;		// non-zero if D pins are Schmitt input
+		UCHAR DDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR ARIIsTXDEN;			// non-zero if port A uses RI as RS485 TXDEN
+		UCHAR BRIIsTXDEN;			// non-zero if port B uses RI as RS485 TXDEN
+		UCHAR CRIIsTXDEN;			// non-zero if port C uses RI as RS485 TXDEN
+		UCHAR DRIIsTXDEN;			// non-zero if port D uses RI as RS485 TXDEN
+		UCHAR AIsVCP8;				// non-zero if interface is to use VCP drivers
+		UCHAR BIsVCP8;				// non-zero if interface is to use VCP drivers
+		UCHAR CIsVCP8;				// non-zero if interface is to use VCP drivers
+		UCHAR DIsVCP8;				// non-zero if interface is to use VCP drivers
+		//
+		// Rev 9 (FT232H) Extensions
+		//
+		UCHAR PullDownEnableH;		// non-zero if pull down enabled
+		UCHAR SerNumEnableH;		// non-zero if serial number to be used
+		UCHAR ACSlowSlewH;			// non-zero if AC pins have slow slew
+		UCHAR ACSchmittInputH;		// non-zero if AC pins are Schmitt input
+		UCHAR ACDriveCurrentH;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR ADSlowSlewH;			// non-zero if AD pins have slow slew
+		UCHAR ADSchmittInputH;		// non-zero if AD pins are Schmitt input
+		UCHAR ADDriveCurrentH;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR Cbus0H;				// Cbus Mux control
+		UCHAR Cbus1H;				// Cbus Mux control
+		UCHAR Cbus2H;				// Cbus Mux control
+		UCHAR Cbus3H;				// Cbus Mux control
+		UCHAR Cbus4H;				// Cbus Mux control
+		UCHAR Cbus5H;				// Cbus Mux control
+		UCHAR Cbus6H;				// Cbus Mux control
+		UCHAR Cbus7H;				// Cbus Mux control
+		UCHAR Cbus8H;				// Cbus Mux control
+		UCHAR Cbus9H;				// Cbus Mux control
+		UCHAR IsFifoH;				// non-zero if interface is 245 FIFO
+		UCHAR IsFifoTarH;			// non-zero if interface is 245 FIFO CPU target
+		UCHAR IsFastSerH;			// non-zero if interface is Fast serial
+		UCHAR IsFT1248H;			// non-zero if interface is FT1248
+		UCHAR FT1248CpolH;			// FT1248 clock polarity - clock idle high (1) or clock idle low (0)
+		UCHAR FT1248LsbH;			// FT1248 data is LSB (1) or MSB (0)
+		UCHAR FT1248FlowControlH;	// FT1248 flow control enable
+		UCHAR IsVCPH;				// non-zero if interface is to use VCP drivers
+		UCHAR PowerSaveEnableH;		// non-zero if using ACBUS7 to save power for self-powered designs
+		
+	} FT_PROGRAM_DATA, *PFT_PROGRAM_DATA;
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EE_Program(
+		FT_HANDLE ftHandle,
+		PFT_PROGRAM_DATA pData
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EE_ProgramEx(
+		FT_HANDLE ftHandle,
+		PFT_PROGRAM_DATA pData,
+		char *Manufacturer,
+		char *ManufacturerId,
+		char *Description,
+		char *SerialNumber
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EE_Read(
+		FT_HANDLE ftHandle,
+		PFT_PROGRAM_DATA pData
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EE_ReadEx(
+		FT_HANDLE ftHandle,
+		PFT_PROGRAM_DATA pData,
+		char *Manufacturer,
+		char *ManufacturerId,
+		char *Description,
+		char *SerialNumber
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EE_UASize(
+		FT_HANDLE ftHandle,
+		LPDWORD lpdwSize
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EE_UAWrite(
+		FT_HANDLE ftHandle,
+		PUCHAR pucData,
+		DWORD dwDataLen
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EE_UARead(
+		FT_HANDLE ftHandle,
+		PUCHAR pucData,
+		DWORD dwDataLen,
+		LPDWORD lpdwBytesRead
+		);
+
+
+	typedef struct ft_eeprom_header {
+		FT_DEVICE deviceType;		// FTxxxx device type to be programmed
+		// Device descriptor options
+		WORD VendorId;				// 0x0403
+		WORD ProductId;				// 0x6001
+		UCHAR SerNumEnable;			// non-zero if serial number to be used
+		// Config descriptor options
+		WORD MaxPower;				// 0 < MaxPower <= 500
+		UCHAR SelfPowered;			// 0 = bus powered, 1 = self powered
+		UCHAR RemoteWakeup;			// 0 = not capable, 1 = capable
+		// Hardware options
+		UCHAR PullDownEnable;		// non-zero if pull down in suspend enabled
+	} FT_EEPROM_HEADER, *PFT_EEPROM_HEADER;
+
+
+	// FT232B EEPROM structure for use with FT_EEPROM_Read and FT_EEPROM_Program
+	typedef struct ft_eeprom_232b {
+		// Common header
+		FT_EEPROM_HEADER common;	// common elements for all device EEPROMs
+	} FT_EEPROM_232B, *PFT_EEPROM_232B;
+
+
+	// FT2232 EEPROM structure for use with FT_EEPROM_Read and FT_EEPROM_Program
+	typedef struct ft_eeprom_2232 {
+		// Common header
+		FT_EEPROM_HEADER common;	// common elements for all device EEPROMs
+		// Drive options
+		UCHAR AIsHighCurrent;		// non-zero if interface is high current
+		UCHAR BIsHighCurrent;		// non-zero if interface is high current
+		// Hardware options
+		UCHAR AIsFifo;				// non-zero if interface is 245 FIFO
+		UCHAR AIsFifoTar;			// non-zero if interface is 245 FIFO CPU target
+		UCHAR AIsFastSer;			// non-zero if interface is Fast serial
+		UCHAR BIsFifo;				// non-zero if interface is 245 FIFO
+		UCHAR BIsFifoTar;			// non-zero if interface is 245 FIFO CPU target
+		UCHAR BIsFastSer;			// non-zero if interface is Fast serial
+		// Driver option
+		UCHAR ADriverType;			// 
+		UCHAR BDriverType;			// 
+	} FT_EEPROM_2232, *PFT_EEPROM_2232;
+
+
+	// FT232R EEPROM structure for use with FT_EEPROM_Read and FT_EEPROM_Program
+	typedef struct ft_eeprom_232r {
+		// Common header
+		FT_EEPROM_HEADER common;	// common elements for all device EEPROMs
+		// Drive options
+		UCHAR IsHighCurrent;		// non-zero if interface is high current
+		// Hardware options
+		UCHAR UseExtOsc;			// Use External Oscillator
+		UCHAR InvertTXD;			// non-zero if invert TXD
+		UCHAR InvertRXD;			// non-zero if invert RXD
+		UCHAR InvertRTS;			// non-zero if invert RTS
+		UCHAR InvertCTS;			// non-zero if invert CTS
+		UCHAR InvertDTR;			// non-zero if invert DTR
+		UCHAR InvertDSR;			// non-zero if invert DSR
+		UCHAR InvertDCD;			// non-zero if invert DCD
+		UCHAR InvertRI;				// non-zero if invert RI
+		UCHAR Cbus0;				// Cbus Mux control
+		UCHAR Cbus1;				// Cbus Mux control
+		UCHAR Cbus2;				// Cbus Mux control
+		UCHAR Cbus3;				// Cbus Mux control
+		UCHAR Cbus4;				// Cbus Mux control
+		// Driver option
+		UCHAR DriverType;			// 
+	} FT_EEPROM_232R, *PFT_EEPROM_232R;
+
+
+	// FT2232H EEPROM structure for use with FT_EEPROM_Read and FT_EEPROM_Program
+	typedef struct ft_eeprom_2232h {
+		// Common header
+		FT_EEPROM_HEADER common;	// common elements for all device EEPROMs
+		// Drive options
+		UCHAR ALSlowSlew;			// non-zero if AL pins have slow slew
+		UCHAR ALSchmittInput;		// non-zero if AL pins are Schmitt input
+		UCHAR ALDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR AHSlowSlew;			// non-zero if AH pins have slow slew
+		UCHAR AHSchmittInput;		// non-zero if AH pins are Schmitt input
+		UCHAR AHDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR BLSlowSlew;			// non-zero if BL pins have slow slew
+		UCHAR BLSchmittInput;		// non-zero if BL pins are Schmitt input
+		UCHAR BLDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR BHSlowSlew;			// non-zero if BH pins have slow slew
+		UCHAR BHSchmittInput;		// non-zero if BH pins are Schmitt input
+		UCHAR BHDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		// Hardware options
+		UCHAR AIsFifo;				// non-zero if interface is 245 FIFO
+		UCHAR AIsFifoTar;			// non-zero if interface is 245 FIFO CPU target
+		UCHAR AIsFastSer;			// non-zero if interface is Fast serial
+		UCHAR BIsFifo;				// non-zero if interface is 245 FIFO
+		UCHAR BIsFifoTar;			// non-zero if interface is 245 FIFO CPU target
+		UCHAR BIsFastSer;			// non-zero if interface is Fast serial
+		UCHAR PowerSaveEnable;		// non-zero if using BCBUS7 to save power for self-powered designs
+		// Driver option
+		UCHAR ADriverType;			// 
+		UCHAR BDriverType;			// 
+	} FT_EEPROM_2232H, *PFT_EEPROM_2232H;
+
+
+	// FT4232H EEPROM structure for use with FT_EEPROM_Read and FT_EEPROM_Program
+	typedef struct ft_eeprom_4232h {
+		// Common header
+		FT_EEPROM_HEADER common;	// common elements for all device EEPROMs
+		// Drive options
+		UCHAR ASlowSlew;			// non-zero if A pins have slow slew
+		UCHAR ASchmittInput;		// non-zero if A pins are Schmitt input
+		UCHAR ADriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR BSlowSlew;			// non-zero if B pins have slow slew
+		UCHAR BSchmittInput;		// non-zero if B pins are Schmitt input
+		UCHAR BDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR CSlowSlew;			// non-zero if C pins have slow slew
+		UCHAR CSchmittInput;		// non-zero if C pins are Schmitt input
+		UCHAR CDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR DSlowSlew;			// non-zero if D pins have slow slew
+		UCHAR DSchmittInput;		// non-zero if D pins are Schmitt input
+		UCHAR DDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		// Hardware options
+		UCHAR ARIIsTXDEN;			// non-zero if port A uses RI as RS485 TXDEN
+		UCHAR BRIIsTXDEN;			// non-zero if port B uses RI as RS485 TXDEN
+		UCHAR CRIIsTXDEN;			// non-zero if port C uses RI as RS485 TXDEN
+		UCHAR DRIIsTXDEN;			// non-zero if port D uses RI as RS485 TXDEN
+		// Driver option
+		UCHAR ADriverType;			// 
+		UCHAR BDriverType;			// 
+		UCHAR CDriverType;			// 
+		UCHAR DDriverType;			// 
+	} FT_EEPROM_4232H, *PFT_EEPROM_4232H;
+
+
+	// FT232H EEPROM structure for use with FT_EEPROM_Read and FT_EEPROM_Program
+	typedef struct ft_eeprom_232h {
+		// Common header
+		FT_EEPROM_HEADER common;	// common elements for all device EEPROMs
+		// Drive options
+		UCHAR ACSlowSlew;			// non-zero if AC bus pins have slow slew
+		UCHAR ACSchmittInput;		// non-zero if AC bus pins are Schmitt input
+		UCHAR ACDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR ADSlowSlew;			// non-zero if AD bus pins have slow slew
+		UCHAR ADSchmittInput;		// non-zero if AD bus pins are Schmitt input
+		UCHAR ADDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		// CBUS options
+		UCHAR Cbus0;				// Cbus Mux control
+		UCHAR Cbus1;				// Cbus Mux control
+		UCHAR Cbus2;				// Cbus Mux control
+		UCHAR Cbus3;				// Cbus Mux control
+		UCHAR Cbus4;				// Cbus Mux control
+		UCHAR Cbus5;				// Cbus Mux control
+		UCHAR Cbus6;				// Cbus Mux control
+		UCHAR Cbus7;				// Cbus Mux control
+		UCHAR Cbus8;				// Cbus Mux control
+		UCHAR Cbus9;				// Cbus Mux control
+		// FT1248 options
+		UCHAR FT1248Cpol;			// FT1248 clock polarity - clock idle high (1) or clock idle low (0)
+		UCHAR FT1248Lsb;			// FT1248 data is LSB (1) or MSB (0)
+		UCHAR FT1248FlowControl;	// FT1248 flow control enable
+		// Hardware options
+		UCHAR IsFifo;				// non-zero if interface is 245 FIFO
+		UCHAR IsFifoTar;			// non-zero if interface is 245 FIFO CPU target
+		UCHAR IsFastSer;			// non-zero if interface is Fast serial
+		UCHAR IsFT1248	;			// non-zero if interface is FT1248
+		UCHAR PowerSaveEnable;		// 
+		// Driver option
+		UCHAR DriverType;			// 
+	} FT_EEPROM_232H, *PFT_EEPROM_232H;
+
+
+	// FT X Series EEPROM structure for use with FT_EEPROM_Read and FT_EEPROM_Program
+	typedef struct ft_eeprom_x_series {
+		// Common header
+		FT_EEPROM_HEADER common;	// common elements for all device EEPROMs
+		// Drive options
+		UCHAR ACSlowSlew;			// non-zero if AC bus pins have slow slew
+		UCHAR ACSchmittInput;		// non-zero if AC bus pins are Schmitt input
+		UCHAR ACDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		UCHAR ADSlowSlew;			// non-zero if AD bus pins have slow slew
+		UCHAR ADSchmittInput;		// non-zero if AD bus pins are Schmitt input
+		UCHAR ADDriveCurrent;		// valid values are 4mA, 8mA, 12mA, 16mA
+		// CBUS options
+		UCHAR Cbus0;				// Cbus Mux control
+		UCHAR Cbus1;				// Cbus Mux control
+		UCHAR Cbus2;				// Cbus Mux control
+		UCHAR Cbus3;				// Cbus Mux control
+		UCHAR Cbus4;				// Cbus Mux control
+		UCHAR Cbus5;				// Cbus Mux control
+		UCHAR Cbus6;				// Cbus Mux control
+		// UART signal options
+		UCHAR InvertTXD;			// non-zero if invert TXD
+		UCHAR InvertRXD;			// non-zero if invert RXD
+		UCHAR InvertRTS;			// non-zero if invert RTS
+		UCHAR InvertCTS;			// non-zero if invert CTS
+		UCHAR InvertDTR;			// non-zero if invert DTR
+		UCHAR InvertDSR;			// non-zero if invert DSR
+		UCHAR InvertDCD;			// non-zero if invert DCD
+		UCHAR InvertRI;				// non-zero if invert RI
+		// Battery Charge Detect options
+		UCHAR BCDEnable;			// Enable Battery Charger Detection
+		UCHAR BCDForceCbusPWREN;	// asserts the power enable signal on CBUS when charging port detected
+		UCHAR BCDDisableSleep;		// forces the device never to go into sleep mode
+		// I2C options
+		WORD I2CSlaveAddress;		// I2C slave device address
+		DWORD I2CDeviceId;			// I2C device ID
+		UCHAR I2CDisableSchmitt;	// Disable I2C Schmitt trigger
+		// FT1248 options
+		UCHAR FT1248Cpol;			// FT1248 clock polarity - clock idle high (1) or clock idle low (0)
+		UCHAR FT1248Lsb;			// FT1248 data is LSB (1) or MSB (0)
+		UCHAR FT1248FlowControl;	// FT1248 flow control enable
+		// Hardware options
+		UCHAR RS485EchoSuppress;	// 
+		UCHAR PowerSaveEnable;		// 
+		// Driver option
+		UCHAR DriverType;			// 
+	} FT_EEPROM_X_SERIES, *PFT_EEPROM_X_SERIES;
+
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EEPROM_Read(
+		FT_HANDLE ftHandle,
+		void *eepromData,
+		DWORD eepromDataSize,
+		char *Manufacturer,
+		char *ManufacturerId,
+		char *Description,
+		char *SerialNumber
+		);
+
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EEPROM_Program(
+		FT_HANDLE ftHandle,
+		void *eepromData,
+		DWORD eepromDataSize,
+		char *Manufacturer,
+		char *ManufacturerId,
+		char *Description,
+		char *SerialNumber
+		);
+
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetLatencyTimer(
+		FT_HANDLE ftHandle,
+		UCHAR ucLatency
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetLatencyTimer(
+		FT_HANDLE ftHandle,
+		PUCHAR pucLatency
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetBitMode(
+		FT_HANDLE ftHandle,
+		UCHAR ucMask,
+		UCHAR ucEnable
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetBitMode(
+		FT_HANDLE ftHandle,
+		PUCHAR pucMode
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetUSBParameters(
+		FT_HANDLE ftHandle,
+		ULONG ulInTransferSize,
+		ULONG ulOutTransferSize
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetDeadmanTimeout(
+		FT_HANDLE ftHandle,
+		ULONG ulDeadmanTimeout
+		);
+
+#ifndef _WIN32
+	// Extra functions for non-Windows platforms to compensate
+	// for lack of .INF file to specify Vendor and Product IDs.
+
+	FTD2XX_API
+		FT_STATUS FT_SetVIDPID(
+		DWORD dwVID, 
+		DWORD dwPID
+		);
+			
+	FTD2XX_API
+		FT_STATUS FT_GetVIDPID(
+		DWORD * pdwVID, 
+		DWORD * pdwPID
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetDeviceLocId(
+		FT_HANDLE ftHandle,
+		LPDWORD lpdwLocId
+		);
+#endif // _WIN32        
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetDeviceInfo(
+		FT_HANDLE ftHandle,
+		FT_DEVICE *lpftDevice,
+		LPDWORD lpdwID,
+		PCHAR SerialNumber,
+		PCHAR Description,
+		LPVOID Dummy
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_StopInTask(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_RestartInTask(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_SetResetPipeRetryCount(
+		FT_HANDLE ftHandle,
+		DWORD dwCount
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_ResetPort(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_CyclePort(
+		FT_HANDLE ftHandle
+		);
+
+
+	//
+	// Win32-type functions
+	//
+
+	FTD2XX_API
+		FT_HANDLE WINAPI FT_W32_CreateFile(
+		LPCTSTR					lpszName,
+		DWORD					dwAccess,
+		DWORD					dwShareMode,
+		LPSECURITY_ATTRIBUTES	lpSecurityAttributes,
+		DWORD					dwCreate,
+		DWORD					dwAttrsAndFlags,
+		HANDLE					hTemplate
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_CloseHandle(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_ReadFile(
+		FT_HANDLE ftHandle,
+		LPVOID lpBuffer,
+		DWORD nBufferSize,
+		LPDWORD lpBytesReturned,
+		LPOVERLAPPED lpOverlapped
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_WriteFile(
+		FT_HANDLE ftHandle,
+		LPVOID lpBuffer,
+		DWORD nBufferSize,
+		LPDWORD lpBytesWritten,
+		LPOVERLAPPED lpOverlapped
+		);
+
+	FTD2XX_API
+		DWORD WINAPI FT_W32_GetLastError(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_GetOverlappedResult(
+		FT_HANDLE ftHandle,
+		LPOVERLAPPED lpOverlapped,
+		LPDWORD lpdwBytesTransferred,
+		BOOL bWait
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_CancelIo(
+		FT_HANDLE ftHandle
+		);
+
+
+	//
+	// Win32 COMM API type functions
+	//
+	typedef struct _FTCOMSTAT {
+		DWORD fCtsHold : 1;
+		DWORD fDsrHold : 1;
+		DWORD fRlsdHold : 1;
+		DWORD fXoffHold : 1;
+		DWORD fXoffSent : 1;
+		DWORD fEof : 1;
+		DWORD fTxim : 1;
+		DWORD fReserved : 25;
+		DWORD cbInQue;
+		DWORD cbOutQue;
+	} FTCOMSTAT, *LPFTCOMSTAT;
+
+	typedef struct _FTDCB {
+		DWORD DCBlength;			/* sizeof(FTDCB)						*/
+		DWORD BaudRate;				/* Baudrate at which running			*/
+		DWORD fBinary: 1;			/* Binary Mode (skip EOF check)			*/
+		DWORD fParity: 1;			/* Enable parity checking				*/
+		DWORD fOutxCtsFlow:1;		/* CTS handshaking on output			*/
+		DWORD fOutxDsrFlow:1;		/* DSR handshaking on output			*/
+		DWORD fDtrControl:2;		/* DTR Flow control						*/
+		DWORD fDsrSensitivity:1;	/* DSR Sensitivity						*/
+		DWORD fTXContinueOnXoff: 1;	/* Continue TX when Xoff sent			*/
+		DWORD fOutX: 1;				/* Enable output X-ON/X-OFF				*/
+		DWORD fInX: 1;				/* Enable input X-ON/X-OFF				*/
+		DWORD fErrorChar: 1;		/* Enable Err Replacement				*/
+		DWORD fNull: 1;				/* Enable Null stripping				*/
+		DWORD fRtsControl:2;		/* Rts Flow control						*/
+		DWORD fAbortOnError:1;		/* Abort all reads and writes on Error	*/
+		DWORD fDummy2:17;			/* Reserved								*/
+		WORD wReserved;				/* Not currently used					*/
+		WORD XonLim;				/* Transmit X-ON threshold				*/
+		WORD XoffLim;				/* Transmit X-OFF threshold				*/
+		BYTE ByteSize;				/* Number of bits/byte, 4-8				*/
+		BYTE Parity;				/* 0-4=None,Odd,Even,Mark,Space			*/
+		BYTE StopBits;				/* FT_STOP_BITS_1 or FT_STOP_BITS_2		*/
+		char XonChar;				/* Tx and Rx X-ON character				*/
+		char XoffChar;				/* Tx and Rx X-OFF character			*/
+		char ErrorChar;				/* Error replacement char				*/
+		char EofChar;				/* End of Input character				*/
+		char EvtChar;				/* Received Event character				*/
+		WORD wReserved1;			/* Fill for now.						*/
+	} FTDCB, *LPFTDCB;
+
+	typedef struct _FTTIMEOUTS {
+		DWORD ReadIntervalTimeout;			/* Maximum time between read chars.	*/
+		DWORD ReadTotalTimeoutMultiplier;	/* Multiplier of characters.		*/
+		DWORD ReadTotalTimeoutConstant;		/* Constant in milliseconds.		*/
+		DWORD WriteTotalTimeoutMultiplier;	/* Multiplier of characters.		*/
+		DWORD WriteTotalTimeoutConstant;	/* Constant in milliseconds.		*/
+	} FTTIMEOUTS,*LPFTTIMEOUTS;
+
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_ClearCommBreak(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_ClearCommError(
+		FT_HANDLE ftHandle,
+		LPDWORD lpdwErrors,
+		LPFTCOMSTAT lpftComstat
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_EscapeCommFunction(
+		FT_HANDLE ftHandle,
+		DWORD dwFunc
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_GetCommModemStatus(
+		FT_HANDLE ftHandle,
+		LPDWORD lpdwModemStatus
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_GetCommState(
+		FT_HANDLE ftHandle,
+		LPFTDCB lpftDcb
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_GetCommTimeouts(
+		FT_HANDLE ftHandle,
+		FTTIMEOUTS *pTimeouts
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_PurgeComm(
+		FT_HANDLE ftHandle,
+		DWORD dwMask
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_SetCommBreak(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_SetCommMask(
+		FT_HANDLE ftHandle,
+		ULONG ulEventMask
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_GetCommMask(
+		FT_HANDLE ftHandle,
+		LPDWORD lpdwEventMask
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_SetCommState(
+		FT_HANDLE ftHandle,
+		LPFTDCB lpftDcb
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_SetCommTimeouts(
+		FT_HANDLE ftHandle,
+		FTTIMEOUTS *pTimeouts
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_SetupComm(
+		FT_HANDLE ftHandle,
+		DWORD dwReadBufferSize,
+		DWORD dwWriteBufferSize
+		);
+
+	FTD2XX_API
+		BOOL WINAPI FT_W32_WaitCommEvent(
+		FT_HANDLE ftHandle,
+		PULONG pulEvent,
+		LPOVERLAPPED lpOverlapped
+		);
+
+
+	//
+	// Device information
+	//
+
+	typedef struct _ft_device_list_info_node {
+		ULONG Flags;
+		ULONG Type;
+		ULONG ID;
+		DWORD LocId;
+		char SerialNumber[16];
+		char Description[64];
+		FT_HANDLE ftHandle;
+	} FT_DEVICE_LIST_INFO_NODE;
+
+	// Device information flags
+	enum {
+		FT_FLAGS_OPENED = 1,
+		FT_FLAGS_HISPEED = 2
+	};
+
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_CreateDeviceInfoList(
+		LPDWORD lpdwNumDevs
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetDeviceInfoList(
+		FT_DEVICE_LIST_INFO_NODE *pDest,
+		LPDWORD lpdwNumDevs
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetDeviceInfoDetail(
+		DWORD dwIndex,
+		LPDWORD lpdwFlags,
+		LPDWORD lpdwType,
+		LPDWORD lpdwID,
+		LPDWORD lpdwLocId,
+		LPVOID lpSerialNumber,
+		LPVOID lpDescription,
+		FT_HANDLE *pftHandle
+		);
+
+
+	//
+	// Version information
+	//
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetDriverVersion(
+		FT_HANDLE ftHandle,
+		LPDWORD lpdwVersion
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetLibraryVersion(
+		LPDWORD lpdwVersion
+		);
+
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_Rescan(
+		void
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_Reload(
+		WORD wVid,
+		WORD wPid
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetComPortNumber(
+		FT_HANDLE ftHandle,
+		LPLONG	lpdwComPortNumber
+		);
+
+
+	//
+	// FT232H additional EEPROM functions
+	//
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EE_ReadConfig(
+		FT_HANDLE ftHandle,
+		UCHAR ucAddress,
+		PUCHAR pucValue
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EE_WriteConfig(
+		FT_HANDLE ftHandle,
+		UCHAR ucAddress,
+		UCHAR ucValue
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_EE_ReadECC(
+		FT_HANDLE ftHandle,
+		UCHAR ucOption,
+		LPWORD lpwValue
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_GetQueueStatusEx(
+		FT_HANDLE ftHandle,
+		DWORD *dwRxBytes
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_ComPortIdle(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_ComPortCancelIdle(
+		FT_HANDLE ftHandle
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_VendorCmdGet(
+		FT_HANDLE ftHandle,
+		UCHAR Request,
+		UCHAR *Buf,
+		USHORT Len
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_VendorCmdSet(
+		FT_HANDLE ftHandle,
+		UCHAR Request,
+		UCHAR *Buf,
+		USHORT Len
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_VendorCmdGetEx(
+		FT_HANDLE ftHandle,
+		USHORT wValue,
+		UCHAR *Buf,
+		USHORT Len
+		);
+
+	FTD2XX_API
+		FT_STATUS WINAPI FT_VendorCmdSetEx(
+		FT_HANDLE ftHandle,
+		USHORT wValue,
+		UCHAR *Buf,
+		USHORT Len
+		);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif	/* FTD2XX_H */
+
diff --git a/drivers/ftdi_d2xx/ftd2xx.lib b/drivers/ftdi_d2xx/ftd2xx.lib
new file mode 100644
index 0000000..afc8f19
--- /dev/null
+++ b/drivers/ftdi_d2xx/ftd2xx.lib
diff --git a/drivers/ftdi_d2xx/sm_d2xx.c b/drivers/ftdi_d2xx/sm_d2xx.c
new file mode 100644
index 0000000..20c8405
--- /dev/null
+++ b/drivers/ftdi_d2xx/sm_d2xx.c
@@ -0,0 +1,183 @@
+/*
+ * ftdi_d2xx.c
+ *
+ * Header for FTDI D2XX serial port access library
+ *
+ *  Created on: 19.8.2017
+ *      Author: Tero Kontkanen
+ */
+
+#include "drivers/ftdi_d2xx/sm_d2xx.h"
+#include "simplemotion_private.h" //needed for timeout variable
+#include "drivers/ftdi_d2xx/ftd2xx.h"
+#include <string.h>
+
+smbool handles_initialized=smfalse;
+FT_HANDLE handles[MAX_OPEN_PORTS];//FT_HANDLE type is just a pointer
+
+#if defined(__unix__) || defined(__APPLE__)
+
+#else
+
+static int stringToNumber( const char *str, smbool *ok )
+{
+    int len=strlen(str);
+    int i, number=0, decade=1;
+
+    if(len<1)
+    {
+        *ok=smfalse;
+        return 0;
+    }
+
+    for(i=len-1;i>=0;i--)
+    {
+        if(str[i]<'0' || str[i]>'9')//non-numeric char->fail
+        {
+            *ok=smfalse;
+            return 0;
+        }
+        number+=decade*(str[i]-'0');
+        decade*=10;
+    }
+    *ok=smtrue;
+    return number;
+}
+
+smint32 d2xxPortOpen(const char *port_device_name, smint32 baudrate_bps)
+{
+    //init array of handles if not done yet
+    if(handles_initialized==smfalse)
+    {
+        int i;
+        for(i=0;i<MAX_OPEN_PORTS;i++)
+            handles[i]=NULL;
+        handles_initialized=smtrue;
+    }
+
+    //parse name string
+    int ftdiIndex;
+    smbool ok;
+
+    if (strncmp(port_device_name,"FTDI",4) != 0)//must start with FTDI. Full name is FTDIn where n=index starting from 0.
+    {
+        smDebug( -1, Low, "FTDI port error: malformed port name '%s'. Must be 'FTDIx' where x is index starting from 0.\n",port_device_name);
+        return -1;
+    }
+    ftdiIndex=stringToNumber(port_device_name+4,&ok);
+    if (ok==smfalse)
+    {
+        smDebug( -1, Low, "FTDI port error: malformed port number '%s'. Must be 'FTDIx' where x is index starting from 0.\n",port_device_name);
+        return -1;
+    }
+
+    //open port
+    FT_HANDLE h;
+    FT_STATUS s=FT_Open(ftdiIndex,&h);
+
+    if(s==FT_OK)
+    {
+        //all good, find free handle
+        int i;
+        for(i=0;i<MAX_OPEN_PORTS;i++)
+        {
+            if(handles[i]==NULL)
+            {
+                //init port settings
+                s=FT_SetBaudRate(h,baudrate_bps);
+                if(s!=FT_OK)
+                {
+                    smDebug( -1, Low, "FTDI port error: failed to set baud rate\n");
+                    goto error;
+                }
+
+                if(FT_SetLatencyTimer(h,1)!=FT_OK)//API doc says 2ms is minimum but 1 seem to work too
+                {
+                    smDebug( -1, Low, "FTDI port error: failed to set latency\n");
+                    goto error;
+                }
+
+                if(FT_SetTimeouts(h,readTimeoutMs,readTimeoutMs)!=FT_OK)
+                {
+                    smDebug( -1, Low, "FTDI port error: failed to set timeout\n");
+                    goto error;
+                }
+
+                smDebug( -1, Mid, "FTDI port opened\n");
+                handles[i]=h;
+                return i;
+            }
+        }
+        smDebug( -1, Low, "FTDI port error: all handles taken, too many ports open\n");
+        goto error;
+    }
+    else
+        smDebug( -1, Low, "FTDI port error: FT_Open failed\n");
+
+    error:
+    FT_Close(h);
+    return -1;
+}
+
+
+smint32 d2xxPortRead(smint32 serialport_handle, unsigned char *buf, smint32 size)
+{
+    FT_STATUS s;
+    DWORD BytesReceived;
+
+    s=FT_Read(handles[serialport_handle],buf,size,&BytesReceived);
+    if(s!=FT_OK)
+    {
+        //failed
+        smDebug( -1, Low, "FTDI port error: failed to receive data from port\n");
+    }
+
+    return BytesReceived;
+}
+
+
+smint32 d2xxPortWriteByte(smint32 serialport_handle, unsigned char byte)
+{
+    unsigned char buf[1];
+    DWORD BytesWritten;
+    buf[0]=byte;
+    FT_STATUS s=FT_Write(handles[serialport_handle], buf, 1, &BytesWritten);
+
+    if(s!=FT_OK)
+    {
+        //failed
+        smDebug( -1, Low, "FTDI port error: failed to write data to port\n");
+    }
+
+    return BytesWritten;
+}
+
+
+smint32 d2xxPortWriteBuffer(smint32 serialport_handle, unsigned char *buf, smint32 size)
+{
+    DWORD BytesWritten;
+    FT_STATUS s=FT_Write(handles[serialport_handle], buf, size, &BytesWritten);
+
+    if(s!=FT_OK)
+    {
+        //failed
+        smDebug( -1, Low, "FTDI port error: failed to write data to port\n");
+    }
+
+    return BytesWritten;
+}
+
+
+void d2xxPortClose(smint32 serialport_handle)
+{
+    if(FT_Close(handles[serialport_handle])!=FT_OK)
+    {
+        //failed
+        smDebug( -1, Low, "FTDI port error: failed to close port\n");
+    }
+    else
+        handles[serialport_handle]=NULL;
+}
+
+
+#endif//windows
diff --git a/drivers/ftdi_d2xx/sm_d2xx.h b/drivers/ftdi_d2xx/sm_d2xx.h
new file mode 100644
index 0000000..f8e8a1b
--- /dev/null
+++ b/drivers/ftdi_d2xx/sm_d2xx.h
@@ -0,0 +1,37 @@
+/*
+ * ftdi_d2xx.h
+ *
+ * Header for FTDI D2XX serial port access library
+ *
+ *  Created on: 19.8.2017
+ *      Author: Tero Kontkanen
+ */
+
+
+#ifndef SM_D2XX_H
+#define SM_D2XX_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "simplemotion.h"
+
+//max number of simultaneously connected FTDI devices
+#define MAX_OPEN_PORTS 32
+
+//return port handle or -1 if fails
+smint32 d2xxPortOpen(const char *port_device_name, smint32 baudrate_bps);
+smint32 d2xxPortRead(smint32 serialport_handle, unsigned char *buf, smint32 size);
+smint32 d2xxPortWriteByte(smint32 serialport_handle, unsigned char byte);
+smint32 d2xxPortWriteBuffer(smint32 serialport_handle, unsigned char *buf, smint32 size);
+void d2xxPortClose(smint32 serialport_handle);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+
diff --git a/simplemotion.c b/simplemotion.c
index 58627cb..30220cf 100644
--- a/simplemotion.c
+++ b/simplemotion.c
@@ -73,17 +73,18 @@ void smDebug( smbus handle, smVerbosityLevel verbositylevel, char *format, ...)
     va_list fmtargs;

     char buffer[1024];

 

-

-    //check if bus handle is valid & opened

-    if(smIsHandleOpen(handle)==smfalse) return;

-

     if(smDebugOut!=NULL && verbositylevel <= smDebugThreshold )

     {

         va_start(fmtargs,format);

         vsnprintf(buffer,sizeof(buffer)-1,format,fmtargs);

         va_end(fmtargs);

         if(handle>=0)

-            fprintf(smDebugOut,"%s: %s",smBus[handle].busDeviceName, buffer);

+        {

+            if(smIsHandleOpen(handle)==smtrue)

+            {

+                fprintf(smDebugOut,"%s: %s",smBus[handle].busDeviceName, buffer);

+            }

+        }

         else

             fprintf(smDebugOut,"SMLib: %s",buffer);//no handle given

     }