Untitled - Universiti Teknologi Malaysia
Contents
1. OnRx CString strNiosOutput CString strSortedOutput unsigned char ucData 400 int iMaxDelay 0 enum State NoData DataBegin DataFinish DataError State eState NoData DWORD dBytesWaiting int iBytesWaiting Sleep 100 wait 100 ms DWORD BytesWaiting returns of bytes waiting to be read from serial port dBytesWaiting spPort BytesWaiting iBytesWaiting int dBytesWaiting TRACE nOnRx1 tiBytesWaiting Xd iBytesWaiting DWORD Read void lpBuf DWORD dwCount spPort Read ucData dBytesWaiting strNiosOutput ucData TRACE nOnRxela tstrNiosOutput s strNiosOutput i Figure 2 7 Snippet Code for Receive Process OnRx Part 1 12 strSortedOutput strNiosOutput Grab data until data size equals the known data size ift strSortedOutput GetLengthi lt iStringSize amp amp eState DataError 4 iMaxDelay 0 do 4 if iMaxDelay 10 terminate do loop if Sleep has been run 300 times eState DataError MessageBox Not all data received in allotted time Error MB_OK MB_ICONERROR break Sleep 100 7 7 100 ms delay required dBytesWaiting spPort BytesWaiting iBytesWaiting int dBytesWaiting TRACE nOnRxe3a tiBytesWaiting d iBytesWaiting spPort Read ucData dByteslaiting strNiosOutput ucData TRACE nOnRxe3b tucData Xs ucData if strSortedOutput GetLength iB2. d iBytesWaiting spPort Read ucData dBytesWaiting strNiosOutput ucData TRACE nOnRx3b tucData s ucData if strSortedOutput GetLength iBytesWaiting gt iStringSize iBytesWaiting iStringSize strSortedOutput GetLength eState DataFinish strSortedOutput strNiosOutput Left iBytesWaiting while eState DataFinish
3. while iDataFinish TRACE nOnRx6 tucDataSorted s ucDataSorted if iDataError ShowBitmap2 ucDataSorted iFlagDataReceived 1 tell OnPaint to redraw 2nd frame void CSendBMPDIg ShowBitmap2 unsigned char pCharPixel unsigned char pCharPixel2 new unsigned char m_bmpBM bmWidth m_bmpBM bmHeight 4 unsigned char pCharPixel2 new unsigned char m_bmpBM bmWidth m_bmpBM bmHeight Mint i j 58 CDC pdc m_ctlFrame2 GetDC device context for painting CRect IRect CDC dcMem without clone BMFIH and BMFH headers we need to create 32 bit bitmap data to be compatible with screen display resolution ourselve if m_bmpBM bmBitsPixel 24 for i 0 j 0 i lt m_bmpBM bmWidthBytes m_bmpBM bmHeight i 3 j 4 pCharPixel2 j pCharPixellil pCharPixel2 j 1 pCharPixel i 1 pCharPixel2 j 2 pCharPixel i 2 pCharPixel2 j 3 255 else if m_bmpBM bmBitsPixel 8 for i 0 j 0 i lt m_bmpBM bmWidthBytes m_bmpBM bmHeight i j 4 pCharPixel2 j pCharPixell i pCharPixel2 j 1 pCharPixelli pCharPixel2 j 2 pCharPixellil pCharPixel2 j 3 255 59 m_bmpBitmap2 CreateCompatibleBitmap pdc m bmpBM bmWidth m_bmpBM bmHeight m_bmpBitmap2 SetBitmapBits m_bmpBM bmWidth m_bmpBM bmHeight 4 pCharPixel2 no need to change m bmpBitmap2 if ShowBitmap2 is called by OnPaint if pCharPixel NULL m bmpBitmap2 SetBitmapBits m b
4. user cannot specify the actual height and width Though the GUI woks but it is not efficient If the size of bitmap is hardcoded for example 100 pixels and the user wants to load a bitmap image and the size is 120 the user need to change first the size in the coding If the user refuses to do so there will be an error as only 100 pixels are transferred while the other 20 pixels is considered corrupted 52 Future Recommendations To make this project works efficiently the size of the bitmap image need not to be hardcoded every time users want to load bitmap image The height and width can be specified and the user can load image without having to think about the maximum size that has been hardcoded Besides that to enhance this project image processing can be done and then been transferred back to the GUI Image processing technigues such as median filtering image wrapping morphing and digital half toning that can be used to make this project more challenging 40 REFERENCES ALTERA Corporation 2006 Embedded Programming Guide ALTERA Corporation 2006 ISP 1362 Datasheet ALTERA Corporation 2006 DE2 User Manual ALTERA Corporation 2006 Embedded Programming Guide Chapman D 1998 Sams Teach Yourself Visual C 6 in 21 Days Indianapolis Indiana USA SAMS Don Anderson 1997 USB System Architecture Addison Wesley Ivor Horton Beginning Visual C Version 6 paperback Wrox 41 APPENDIX A R
5. DMA Direct Memory Access This memory access is similar to the register access except the data phase is variable in length There are two modes of addressing mode which are Indirect Addressing and Direct Addressing Both modes are used in this project to access the host controller buffer 14 The Table 3 1 shows the pin control for the bus interface HC stands for host controller while DC stands for device controller When the CS chip select is low Al is high and AO is low the ISP1362 chip will activate the device controller data port with 16 bits data bus width While when the CS is lol Al is high and A0 is high the chip is the device controller command port Table 3 1 Input Output O Addressing L L L RW 16 bits HC data port L L H W 16 bits HC command port L H L RW 16 bits DC data port L H H W 16 bits DC command port The codes for the hardware is written all in verilog codes and using the Quartus II version 8 0 software 3 3 Firmware The second part is called firmware where all the codes are written in C code This is where the NIOS CPU capture and processes the data transferred The firmware consists of C codes to initialize the ISP Phillips 1362 chip The codes indicate that the chip is in device controller mode which is a full speed USB interface device with up to 14 configurable endpoints This device controller can be access by both DMA and PIO and in this project PIO is been used This firmware is ful
6. a series of strings pair that specify filter that can be applied to the file J 26 Figure 3 9 illustrates the snippet code for send button for the bitmap image void CSendBMPDlg OnBsend 4 OnBSend 4AAAAA AAAAAAACOCLOLEELEELEEEELEEEEELEE EEL Le int iBmpSize 100 unsigned char pCharPixel new unsigned char iBmpSize m_bmpBitmap GetBitmapBits iBmpSize pCharPixel WritePortl BYTE pCharPixel iBmpSize ReadPort2 BYTE pCharPixel iBmpSize ShowBitmap2 pCharPixel delete pCharPixel Figure 3 9 Snippet Code for Send Button Bitmap Image The size of the bitmap image has been hardcoded which is 100 pixels Since the data that need to be transferred is in byte there is no conversion needed unlike the string for the sorted data The pCharPixel is the bitmap image and it is in byte m_bmpBitmap GetBitmapBits iBmpSize pCharPixel is used to get the bitmap s pixel value captured data that has been loaded in the edit box To send the data to the hardware the command used is similar to the sorted string which is WritePortl For the command to send back the data to the GUI Readport2 is used ShowBitmap2 pCharPixel is the command used to display the bitmap image in the edit box This command is important as without this command the images cannot be displayed For the Exit button it is shown in Figure 3 10 Basically the command for exit is simple The commands shown are to close the port for
7. client rectangle int cxlcon GetSystemMetrics SM_CXICON int cylcon GetSystemMetrics SM_CYICON CRect rect GetClientRect amp rect int x rect Width cxlcon 1 2 int y rect Height cylcon 1 2 Draw the icon dc Drawlcon x y m hicon 48 CDialog OnPaint if m_sBitmap ShowBitmap pdc if iFlagDataReceived ShowBitmap2 NULL flag is stipulated in OnBload amp OnRx m_ctlFrame ReleaseDC pdc The system calls this to obtain the cursor to display while the user drags the minimized window HCURSOR CSendBMPDIg OnQueryDraglcon return HCURSOR m_hlcon void CSendBMPDIg OnBexit TODO Add your control notification handler code here spPort Close OnOK 49 void CSendBMPDIg OnBload TODO Add your control notification handler code here Build a filter for use in the File Open dialog static char BASED CODE szFilter Bitmap Files bmp bmp Create the File Open dialog CFileDialog m IdFile TRUE bmp m sBitmap OFN HIDEREADONLY OFN OVERWRITEPROMPT szFilter Show the File Open dialog and capture the result if m_IdFile DoModal IDOK Get the filename selected m_sBitmap m_ldFile GetPathName Load the selected bitmap file HBITMAP hBitmap HBITMAP Loadimage AfxGetInstanceHandle m_sBitmap IMAGE_BITMAP 0 0 LR_LOADFROMFILE LR_CREATEDIBSECTION Repeat for clone ima
8. context to load the bitmap into dcMem CreateCompatibleDC pdc 52 Select the bitmap into the compatible device context dcMem SelectObject m bmpBitmap Get the display area available m_ctlFrame GetClientRect IRect Rect NormalizeRect Copy and resize the bitmap to the dialog window pdc gt StretchBit 0 0 IRect Width IRect Height amp dcMem 0 0 m bmpBM bmWidth m_bmpBM bmHeight SRCCOPY pdc gt BitBIt 0 O IRect Width IRect Height amp dcMem 0 0 SRCCOPY include EasyD12 H pragma comment lib EasyD12 lib void CSendBMPDIg OnBsend OnBSend TODO Add your control notification handler code here int iBmpSize 100 unsigned char pCharPixel new unsigned char iBmpSize 53 WritePort1 BYTE pCharPixel iBmpSize void Open int nPort DWORD dwBaud 9600 Parity parity NoParity BYTE DataBits 8 StopBits stopbits OneStopBit FlowControl fc NoFlowControl BOOL bOverlapped false spPort Open 1 115200 CSerialPort NoParity 8 CSerialPort OneStopBit CSerialPort NoFlowControl false TRACE m_bmpBM bmBits d n m_bmpBM bmBits TRACE m_bmpBM bmBitsPixel d n m_bmpBM bmBitsPixel TRACE m_bmpBM bmHeight d n m_bmpBM bmHeight TRACE m_bmpBM bmPlanes d n m bmpBM bmPlanes TRACE m_bmpBM bmType d n m_bmpBM bmType TRACE m_bmpBM bmWidth d n m bmpBM bmWidth TRACE m_bmpBM bmWidthBytes d n m bmpBM bm
9. is the computer before loading it to the GUI Figure 4 7 shows a bitmap image already been uploaded in the edit box named Source Bitmap The image s size is 10x10 pixels Send Exit Source Bitmap Sent Bitmap Figure 4 7 GUI After Loading the Bitmap Image ki a Source Bitmap Sent Bitmap Figure 4 8 GUI After the Image is Sent After the Send button is clicked the bitmap image will be transferred to the DE2 Board and the will be transferred back as shown in the Figure 4 8 Since there is no modification is made the image remain the same 33 Since the bitmap image is hardcoded as 100 pixels only image with size 100 pixels or smaller then 100 pixels can be sent through the GUI The example is shown in Figure 4 9 The size of the bitmap image is 5x5 pixels which eguals to 25 pixels For Figure 4 10 the size is 8x8 pixels which is egual to 64 pixels Based on Figure 4 11 some of the sent pixels seemed to be corrupted The reason for this situation to occur is the value of the bitmap size is larger than 100 This image has 12 pixels height and 12 pixels width which the size of the image is 144 This value already exceeds the value that has been fixed The second example for this situation to occur can be depicted in Figure 4 12 For this figure most of the sent images seemed to be corrupted The actual size of this bitmap image is 120x120 which is egual to 14400 This value is beyond the limit that ha
10. m hicon CDialog OnPaint The system calls this to obtain the cursor to display while the user drags the minimized window HCURSOR CSerialNiosDlg OnQueryDraglcon return HCURSOR m_hlcon include EasyD12 H pragma comment lib EasyD12 lib void CSerialNiosDlg OnSend CString strNiosInput m_ctllnputStr GetWindowText strNiosInput strNiosInput 65 iStringSize strNiosInput GetLength BYTE p BYTE strNiosInput GetBuffer 0 WritePort1 BYTE p iStringSize strNiosInput ReleaseBuffer char pBuffer new char iStringSize 1 ReadPort2 BYTE pBuffer iStringSize pBuffer iStringSize 0 m_ctlOutputStr SetWindowText pBuffer delete pBuffer TODO Add your control notification handler code here CString strNiosInput void Open int nPort DWORD dwBaud 9600 Parity parity NoParity BYTE DataBits 8 StopBits stopbits OneStopBit FlowControl fc NoFlowControl BOOL bOverlapped false spPort Open 1 115200 CSerialPort NoParity 8 CSerialPort OneStopBit CSerialPort NoFlowControl false 66 m ctllnputStr GetWindowText strNiosIn put iStringSize strNiosInput GetLength DWORD Write const void IpBuf DWORD dwCount spPort Write strNiosInput DWORD iStringSize spPort TransmitChar W send CR to comply with scanf protocol in Nios Nios II OnRx void CSerialNi
11. own graphical user interface and ideas With the increasing use of multimedia as part of the GUI sound voice motion video and virtual reality interfaces seem likely to become part of the GUI for many applications A system s graphical user interface along with its input devices is sometimes referred to as its look and feel When creating an application many object oriented tools exist that facilitate writing a graphical user interface Each GUI element is defined as a class widget from which can create object instances for the application The prepackaged methods that an object will use can be coded or modified to respond to user stimuli 1 2 Objectives The objective of this project is to enable the USB communication between CPU the host computer with the Altera DE2 Phillips Development Board This communication can be done by designing a GUI Graphical User Interface to capture data from the CPU processes the data and later transfer back the data to the CPU using USB host 1 3 Scope There is only one scope for this project that has been outlined The scope is to produce a working program that interfaces between the host computer and the hardware designed for it half duplex communication using USB 1 4 Outline of Thesis This thesis basically contained four chapters The first chapter is mostly about the background of the project It discusses the objectives and the scope of the project It gives a clear overview on
12. this just to capture the BMFIH amp BMFH header data HBITMAP hBitmap2 HBITMAP LoadInage AfxGetInstanceHandle m_sBitmap IMAGE BITMAP 0 0 LR LOADFROMFILE LR_CREATEDIBSECTION Do we have a valid handle for the loaded image if hBitmap Delete the current bitmap if m_bmpBitmap DeleteObject Tf there was a bitmap detach it m_bmpBitmap Detach Attach the currently loaded bitmap to the bitmap object m_bmpBitmap Attach hBitmap Create clone bitmap object so that we can capture the BMFIH amp BMFH header data if mn bmpBitmap2 DeleteObjectt m_bmpBitmap2 Detach m_bmpBitmap2 Attach hBitmap2 iFlagDataReceived 0 tell OnPaint not to redraw 2nd frame Invalidate Figure 3 8 Snippet Code for Load Button Bitmap Image For this coding the CFileDialog m IdFile TRUE bmp m_sBitmap OFN_HIDEREADONLY IOFN OVERWRITEPROMPT szFilter command is to create the file open dialog box TRUE is used to construct a File Open dialog box If FALSE it is used to construct File Save As dialog box bmp is the default file extension Since in this project bitmap format is used thus the default extension is bmp This is automatically appended to the file name M_sBitmap is the initial filename that appear in the filename edit box OFN_HIDEREADONLY OFN_OVERWRITEPROMPT is called flags The combination of this two flags allows the dialog box to be customized szFilter is
13. what this project is about In Chapter 2 it consists if theories and literature review for the project It includes all the information about the hardware the Altera DE2 Board software and the GUI Chapter 3 will discuss on the methodology of the hardware and the software implementation of this project All the results and discussions will be presented in Chapter 4 The last chapter which is Chapter 5 is about the conclusion and future recommendation to enhance this project CHAPTER 2 LITTERATURE REVIEW 2 1 Introduction This chapter includes the study of the USB as a host interface and device interface the overall view of the Altera DE2 Phillips Development Board and the GUI used 2 2 Altera DE2 Development Board This project uses the Altera DE2 Phillips Development Board as the medium to transfer and to process the data The figure is shown in Figure 2 1 It depicts the layout of the board and indicates the location of the connectors and key components To get a better overview on the connection of the components in the DE2 Board Figure 2 2 shows the schematic diagram of the board USB USB USB Ethernet Blaster Device Host Mic Line Line Video VGA Video 1000M Pot Pot Pot in in Out In Pot Port RS 232 Port soem pure Pay 27 MHz Oscillator 24 bit Audio Codec gt PS 2 Keyboard Mouse Port VGA 10 bit DAC Ethernet 101100M Controller Expansion Header 2 JP2 Power ON OFF Switch USB Host Slave
14. 4 configurable endpoints This can be individually defined as interrupt bulk or isochronous IN or OUT Each enabled endpoints has an associated buffer memory which can be accessed by either using the PIO or DMA mode Functions and registers of DC are accessed using the command which consists of a command code It is followed by optional data bytes read or write action The complete access consists of two phases The first is the command phase When the address pin AO HIGH the DC interprets the data on the lower byte of the bus bits D7 to DO as a command code Commands will be executed immediately if contains no data phase The second part is optional which is data phase When pin AO LOW the DC transfers the data on the bus to or from a register or endpoint buffer memory In case of multi byte registers the least significant byte or word are accessed first Figure 2 4 shows the schematic diagram of the USB circuitry and the pin assigned uy wo BI H SUSPENDA BUSKU BL SUSPEND SUSU Yyy 555 Uwcno Cr carl abi 4 vee U MN A P Cap an Le Sen Li vi m Pl RESET TEST n H ote wwe 4 bat Me ps OREO dre DAGKI K 000000 9 BEBAN 8 4 je A gt F gg uwo Wwa 0g oi Ale 3 aci ag oc ac acos aese an ws th Tt a al ow ow ow ow fow ma MEA Figure 2 4 USB ISP1362 Host and Device Schematic There are three groups of register in ISP1362 that control t
15. Controller TV Decoder NTSCIPAL Atera USB Blaster Controller Chipset Altera EPCS16 Configuration Device Expansion Header 1 JP1 Altera Cyclone Il FPGA RUNIPROG Switch for JTAGIAS Modes 12 LC Node Sana Segnen slays AN taal MSG eee Pa 6 en LEDs IrDA Transceiver SMA Extend Cod 18 Red LEDs 5 MAKA NA 18 Toggle Switches 4 Debounced Pushbutton Switches 50 MH2 Oscillator B MBSDRAM 512 KB SRAM 4 MB Flash Memory Figure 2 1 The diagram of the Altera DE2 Phillips Development Board Figure 2 2 Schematic Diagram of Altera DE2 Board The maximum flexibility can be provided by connecting all of the connections on the board through the Cyclone II FPGA device The FPGA can be configured to implement any design Figure 2 3 shows the block diagram of the board 50 Mhz 27 Mhz Extin USB 2 0 Host Device 16 bit Audio CODEC 10 100 Ethernet P hy MAC VGA 10 bit Video DAC SD Card TV Decoder Cyclone Il FPGA 2C35 IrDA Transceiver User Green LEDs 8 Flash 1 Mbyte User Red LEDs 18 SDRAM 8 Mbytes 16x 2 LCD Module SRAM 512 Kbytes PS2 amp RS 232 Ports 7 Segment Display 8 Toggle Switches 18 Expansion Headers 2 Pushbutton Switches 4 EPCS16 Config Device USB Blaster Figure 2 3 Block Diagram of Altera DE2 Board For this project the USB Host Slave controller is used with the USB blaster to enable the transfer of data This USB complies fully with the Universal Specificatio
16. DATA_MAP CSerialNiosDlg DDX Control pDX IDC EDIT2 m_ctlOutputStr DDX Control pDX IDC EDIT1 m ctilnputStr NAFX DATA MAP BEGIN MESSAGE MAP CSerialNiosDlg CDialog AFX_MSG_MAP CSerialNiosDlg ON_WM_PAINT ON_WM_QUERYDRAGICON ON_BN_CLICKED IDSEND OnSend ON_BN_CLICKED IDEXIT OnExit AFX_MSG_MAP END_MESSAGE_MAP CSerialNiosDlg message handlers BOOL CSerialNiosDlg OnInitDialog CDialog OnInitDialog Set the icon for this dialog The framework does this automatically when the application s main window is not a dialog 63 Setlcon m hicon TRUE Set big icon Setlcon m hicon FALSE Set small icon TODO Add extra initialization here return TRUE return TRUE unless you set the focus to a control f you add a minimize button to your dialog you will need the code below to draw the icon For MFC applications using the document view model this is automatically done for you by the framework void CSerialNiosDlg OnPaint if Islconic CPaintDC dc this device context for painting SendMessage WM_ICONERASEBKGND WPARAM dc GetSafeHdc 0 Center icon in client rectangle int cxlcon GetSystemMetrics SM_CXICON int cylcon GetSystemMetrics SM_CYICON CRect rect 64 GetClientRect amp rect int x rect Width cxlcon 1 2 int y rect Height cylcon 1 2 Draw the icon dc Drawlcon x y
17. OnBexit ON_BN_CLICKED IDC_BLOAD OnBload 45 ON BN CLICKED IDC BSEND OnBsend ON BN CLICKED IDC BUTTON1 OnClear AFX_MSG_MAP END_MESSAGE_MAP BOOL CSendBMPDIg OnlnitDialog CDialog OnInitDialog Add About menu item to system menu DM_ABOUTBOX must be in the system command range ASSERT IDM_ABOUTBOX amp OxFFFO IDM ABOUTBOX ASSERT IDM ABOUTBOX lt OxF000 CMenu pSysMenu GetSystemMenu FALSE if pSysMenu NULL CString strAboutMenu strAboutMenu LoadString IDS ABOUTBOX if IstrAboutMenu IsEmpty pSysMenu gt AppendMenu MF_SEPARATOR pSysMenu gt AppendMenu MF_STRING IDM_ABOUTBOX strAboutMenu 46 Set the icon for this dialog The framework does this automatically when the application s main window is not a dialog Setlcon m hicon TRUE Set big icon Setlcon m hicon FALSE Set small icon TODO Add extra initialization here return TRUE return TRUE unless you set the focus to a control void CSendBMPDIg OnSysCommand UINT nID LPARAM IParam if nID amp OxFFFO IDM_ABOUTBOX CAboutDlg digAbout digAbout DoModal CDialog OnSysCommand nlD IParam 47 void CSendBMPDIlg OnPaint CDC pdc m_ctlFrame GetDC device context for painting if Islconic CPaintDC dc this device context for painting SendMessage WM_ICONERASEBKGND WPARAM dc GetSafeHdc 0 Center icon in
18. PSZ 19 16 Pind 1 07 UNIVERSITI TEKNOLOGI MALAYSIA DECLARATION OF THESIS UNDERGRADUATE PROJECT PAPER AND COPYRIGHT ILI SYAZANA BINTI IBRAHIM 10 JULY 1986 Author s full name Date of birth USB DATA TRANSFER HOST FOR ALTERA Title DE2 BOARD Academic Session 2008 2009 declare that this thesis is classified as CONFIDENTIAL Contains confidential information under the Official Secret Act 1972 RESTRICTED Contains restricted information as specified by the organisation where research was done OPEN ACCESS agree that my thesis to be published as online open access full text acknowledged that Universiti Teknologi Malaysia reserves the right as follows The thesis is the property of Universiti Teknologi Malaysia The Library of Universiti Teknologi Malaysia has the right to make copies for the purpose of research only The Library has the right to make copies of the thesis for academic exchange Certified by SIGNATURE SIGNATURE OF SUPERVISOR 860710 87 5056 DR NASIR SHATKH HUSIN NEW IC NO PASSPORTNG NAME OF SUPERVISOR Date 13th MAY 2009 Date 13 MAY 2009 NOTES If the thesis is CONFIDENTIAL or RESTRICTED please attach with the letter from the organisation with period and reasons for confidentiality or restriction I hereby declare that I have read this thesis and in my opinion this report has fulfills the scope and quality for the award of Degree of Engi
19. WidthBytes m_bmpBitmap GetBitmapBits iBmpSize pCharPixel ReadPort2 BYTE pCharPixel iBmpSize pCharPixel strNiosInput GetLength 0 CString str pCharPixel 54 spPort Write strNiosInput DWORD strNiosInput GetLength spPort TransmitChar r send CR to comply with scanf protocol in Nios Nios II send pixel height strNiosInput Format d m_bmpBM bmHeight spPort Write strNiosInput strNiosInput GetLength spPort TransmitChar r int iSendSize 32 anything larger won t work int iSenditeration iBmpSize iSendSize int iSendRemainder iBmpSize iSendSize inti for i 0 i lt iSenditeration i spPort Write amp pCharPixel iSendSize i DWORD iSendSize Sleep 10 required if iSendRemainder spPort Write amp pCharPixel iSendSize i DWORD iSendRemainder MessageBox Data sent Note MB_OK OnRx I1 ShowBitmap2 pCharPixel delete pCharPixel 55 void CSendBMPDIg OnRx OnRx NINA NN NN NAN NN NN const int iBufSize 400 unsigned char ucData iBufSize size must be consistent unsigned char ucDataSorted 76800 320x240 bitmap size for 8 bit images int iDataSize int iMaxDelay 0 int iDataError 0 int iDataFinish 0 DWORD dBytesWaiting int iBytesWaiting Sleep 100 wait 100 ms DWORD BytesWaiting returns of bytes waiting
20. ad BMP Exit Source Bitmap Sent Bitmap Figure 4 15 13x13 Pixels Bitmap Image The last example the size is hardcoded as 4000 This indicates that the height and width each is a value of 20 pixels In Figure 4 16 the bitmap image is 37 egual to the hardcoded value Thus there will be no data lost during the processing stage Load BMP Send Exit Source Bitmap Sent Bitmap Figure 4 16 20x20 Pixels Bitmap Image CHAPTER 5 CONCLUSION AND FUTURE RECOMENDATIONS 5 1 Conclusion From the results that have been obtained the communication between the DE2 board and the hardware is successful as both GUI are able to capture data and send back to the host computer The objectives of this project are successfully fulfilled 5 3 Problems Encountered There are two major problems that have been encountered during the progress of this project The first problem is regarding the firmware The data transfer can only be done for eight or less characters only If the number of character exceeds eight byte the output will turned out to be wrong The solution for this problem is doing some modification which is looping to enable more than eight characters to be transferred 39 For the GUI part there is a problem faced regarding the height and width of the bitmap image The GUI cannot identify the height and width of images to solve this problem the height and width of the bitmap image is hardcoded This way the
21. ard The packet will be received by the NIOS II processor which will sort the strings sent The sorted string can be seen in the console window of NIOS IDE 8 0 and the window panel GUI 21 When the exit button is click the host computer sends a different USB packet to the board which causes the NIOS II processor to end the program and the window panel will be closed The characters will be sorted based on the ASCII codes Click Send Button GUI sends packets to the host computer Add to the string entered GUI capture the data Display the sorted string in the textbox Figure 3 4 Workflow of the GUI for Sorting Characters 22 3 4 2 2 The GUI Coding From the GUI there are two buttons that need to be created which are the Send button and the Exit button For the send button the coding is shown below in the Figure 3 5 void CSerialNiosDlg OnSend CString strNiosInput m_ctlInputStr GetWindowText strNiosInput strNiosInput iStringSize strNiosInput GetLength BYTE p BYTE strNiosInput GetBuffer 0 WritePortl BYTE p iStringSize strNiosInput ReleaseBuf feri char pBuffer new char iStringSize 1 ReadPort2t BYTE pBuffer iStringSize pBuffer iStringSize X0 m_ctlOutputStr SetWindowText pBuffer delete pBuffer Figure 3 5 Snippet Code for Send Button Based on the coding m_ctlInputStr GetWindowText strNiosInput is bas
22. communication and exit the window screen 27 void CSerialNiosDlg OnEsit TODO Add your control notification handler code here spPort Closet OnOK Figure 3 10 Snippet Code for Exit Button Bitmap Image CHAPTER 4 RESULTS AND DISCUSSIONS 41 Sorting Characters Enter string to be sorted permene oo o Sorted string pees ooo Figure 4 1 Initial Condition of GUI for Sorting Characters In the Figure 4 1 above is the GUI for sorting the characters This GUI consists of two buttons which are Send button and Exit button This is the initial condition of the GUI before the user enters any characters 29 Enter string to be sorted Selamat Datang ke UTM Sorted string Figure 4 2 GUI After Entering the Characters This Figure 4 2 shows that the users enter characters Selamat Datang ke UTM Then the Send button is clicked Enter string to be sorted Selamat Datang ke UTM Sorted string IDMST Usaaaeegklmntt Figure 4 3 GUI Contains the Sorted Characters The Figure 4 3 shows the result after the Send button is clicked In the Sorted String edit box it can be shown clearly that the string is already sorted In hexadecimal a is represented as integer 61 The strings are sorted based on the ASCII code Space is represented as integer 20 which is the smallest number of all the strings enter That is the reason why it is placed in front of other strings Charact
23. compared to the coding using the USB communication 11 void CSerialNiosDlg OnSendt TODO Add your control notification handler code here CString strNiosInput xyoid Open int nPort DWORD dwBaud 9600 Parity parity NoParity BYTE DataBits 8 StopBits stopbits OneStopBit FlowControl fc NoFlowControl BOOL bOverlapped false spPort Open 1 115200 CSerialPort NoParity 8 CSerialPort OneStopBit CSerialPort NoFlowControl false m_ctlInputStr GetWindowText strNiosInput a iStringSize strNiosInput GetLength DWORD Write const void lpBuf DWORD dwCount spPort Write strNiosInput DWORD iStringSize spPort TransmitChari r send CR to comply with scanf protocol in Nios Nios II OnRx j Figure 2 6 Snippet Code for Send Button Serial Port In Figure 2 6 it shows the snippet code for the Send button for serial port communication using the NIOS system processor For the send button need to first include the command spPort Open This command is used to open the serial communication port To capture the characters from the edit box is basically the same as the communication using the USB To send the data to the host computer command spPort Write is used This functions exactly the same as the command WritePort1 for the USB To read the data form the host computer a function called OnRx need to be called The functions are shown in Figure 2 7 below void CSerialNiosDlg
24. d already been hardcoded earlier As the result only 100 pixels can be sent while the others are corrupted Load BMP Send Exit Source bitmap Processed bitmap Figure 4 9 25 Pixels Bitmap Image 34 asa Ts oo Load BMP Exit Source Bitmap Sent Bitmap Figure 4 10 64 Pixels Bitmap Image Source Bitmap Sent Bitmap Figure 4 11 144 Pixels Bitmap Image For the second example the value of the bitmap size is changed to 144 pixels Form Figure 4 13 the size of the bitmap image is 12x12 equals to exactly 144 When the image is sent to the NIOS II system the sent bitmap is the same as the source bitmap indicating that there is no data corrupted 35 For Figure 4 14 the images are not same as corruption of data occurred This is because the value of 144 is smaller than 14400 Not all data can be transferred and the data maybe lost or corrupted are Load BMP Exit Source Bitmap Sent Bitmap Figure 4 12 14400 Pixels Bitmap Image Load BMP sm J Exit Source Bitmap Sent Bitmap Figure 4 13 144 Pixels Bitmap Image Part 2 ae Load BMP j Exit Source Bitmap Sent Bitmap Figure 4 14 120x120 Pixels Bitmap Image Part 2 For the next example the data is hardcoded as 169 pixels In Figure 4 15 the bitmap image s size is 169 pixels This shows that all the data has been transferred as both of the images are the same EA senasMp Ex Lo
25. ding for Sorting Characters PAGE 41 61 xiii CHAPTER 1 INTRODUCTION 1 1 Background 1 1 1 Universal Serial Bus USB is also known as Universal Serial Bus which is defined as a serial bus standard to interface devices to computer It was designed to allow many peripherals to be connected using a single standardized interface socket and to improve the plug and play capabilities This can be done by allowing devices to be connected and disconnected without rebooting the computer or turning off the device Universal Serial Bus USB is a set of connectivity specifications developed by Intel in collaboration with industry leaders USB allows high speed easy connection of peripherals to a PC When plugged in everything configures automatically USB is the most successful interconnect in the history of personal computing and has migrated into consumer electronics CE and mobile products USB offers several benefits such as low cost expandability auto configuration hot plugging and outstanding performance It also provides power to the bus enabling many peripherals to operate without the added need for an AC power adapter Since USB is a standard third party hardware is identical for all platforms only differing in the software reguired for a specific OS The full speed of the USB nowadays is 2 0 M bit s USB can act as USB host interface or device interface depending on the application reguirements The most common use
26. eference Coding for Sending Bitmap Image SendBMPDIg cpp implementation file include stdafx h include SendBMP h include SendBMPDIg h ifdef _DEBUG define new DEBUG_NEW undef THIS_FILE static char THIS FILE FILE_ endif CAboutDlg dialog used for App About class CAboutDlg public CDialog public CAboutDlg Dialog Data AEX_DATA CAboutDlg enum IDD IDD ABOUTBOX AFX_DATA ClassWizard generated virtual function overrides AFX_VIRTUAL CAboutDlg protected virtual void DoDataExchange CDataExchange pDX DDX DDV support AFX_VIRTUAL Implementation protected AFX_MSG CAboutDlg AFX_MSG DECLARE_MESSAGE_MAP CAboutDlg CAboutDlg CDialog CAboutDlg IDD AFX_DATA_INIT CAboutDlg AFX_DATA_INIT void CAboutDlg DoDataExchange CDataExchange pDX CDialog DoDataExchange pDxX AFX_DATA_MAP CAboutDlg AFX_DATA_MAP BEGIN MESSAGE MAP CAboutDlg CDialog AFX_MSG_MAP CAboutDlg No message handlers AFX_MSG_MAP END_MESSAGE_MAP AFX_DATA_INIT CAboutDlg AFX_DATA_INIT 42 43 CSendBMPDIg message handlers BOOL CSendBMPDIg OnInitDialog CDialog OnInitDialog Add About menu item to system menu DM_ABOUTBOX must be in the system command range ASSERT IDM_ABOUTBOX amp OxFFFO IDM_ABOUTBOX ASSERT IDM ABOUTBOX lt 0xF000 CMenu pSysMenu G
27. elete characters up to 68 strNiosOutput Delete 0 ilndexStart 2 TRACE nOnRx2a tstrNiosOutput s strNiosOutput eState DataBegin receives hence exit while loop break get out of do loop 1 next data after is else strNiosOutput Delete 0 ilndexStart 1 next data after is not data has while 1 if iMaxDelay 50 terminate while loop if Sleep has been run 50 times eState DataError MessageBox Nios fails to send data in allotted time Error MB_OK MB_ICONERROR break get out of while loop if eState NoData Sleep 100 wait 100 ms dBytesWaiting spPort BytesWaiting iBytesWaiting int dBytesWaiting spPort Read amp strNiosOutput dBytesWaiting spPort Read ucData dBytesWaiting strNiosOutput ucData TRACE nOnRx2b tstrNiosOutput s strNiosOutput 1 while loop 69 strSortedOutput strNiosOutput Grab data until data size equals the known data size if strSortedOutput GetLength lt iStringSize amp amp eState DataError iMaxDelay 0 do if iMaxDelay 10 terminate do loop if Sleep has been run 300 times eState DataError MessageBox Not all data received in allotted time Error MB_OK MB_ICONERROR break Sleep 100 100 ms delay required dBytesWaiting spPort BytesWaiting iBytesWaiting int dBytesWaiting TRACE nOnRx3a tiBytesWaiting
28. er is 21 in ASCII code and it is the second smallest number It is placed after space And other strings are sorted based on this method 30 Enter string to be sorted testinal 24 Figure 4 4 GUI with Numbers and Alphabets If for example integers is entered as well as shown in Figure 4 4 the outcome is the same as example before The strings will be sorted based on ASCII code by putting the smallest number in front first Enter string to be sorted festa Sa Sorted string i 23eginstt Figure 4 5 GUI after Being Sorted This Figure 4 5 illustrates the result of sorting integers and alphabets The characters entered are testing123 Number 1 in ASCII code is 48 And it is placed in front as it is the smallest number compared to all other strings Alphabet t is the largest ASCII number so it is placed at the back of the sorted string 31 42 Sending Bitmap Image A SendBMP Send Exit Source Bitmap Sent Bitmap Figure 4 6 Initial Condition of GUI for Bitmap Image In the Figure 4 6 demonstrate the GUI for sending bitmap image The GUI consists of three buttons which are the Load BMP button Send button and an exit button This is the initial condition of the GUI before loading any bitmap image For this GUI there is a load button and both of the spaces are edit box The load button is used to load only bitmap files from any folder User can browse through the folders
29. etSystemMenu FALSE if pSysMenu NULL CString strAboutMenu strAboutMenu LoadString IDS_ABOUTBOX if strAboutMenu lsEmpty pSysMenu gt AppendMenu MF_SEPARATOR pSysMenu gt AppendMenu MF_STRING IDM_ABOUTBOX strAboutMenu Set the icon for this dialog The framework does this automatically when the application s main window is not a dialog Setlcon m hicon TRUE Set big icon Setlcon m hicon FALSE Set small icon TODO Add extra initialization here return TRUE return TRUE unless you set the focus to a control void CSendBMPDIg OnSysCommand UINT nID LPARAM IParam if nID amp OxFFFO IDM ABOUTBOX CAboutDlg dlgAbout digAbout DoModal CDialog OnSysCommand nlD IParam 44 CSendBMPDIg dialog CSendBMPDIg CSendBMPDIg CWnd pParent NULL CDialog CSendBMPDIg IDD pParent KAFX DATA INIT CSendBMPDIg AFX_DATA_INIT Note that Loadicon does not require a subsequent Destroylcon in Win32 m_hlicon AfxGetApp gt Loadicon IDR_MAINFRAME void CSendBMPDIg DoDataExchange CDataExchange pDX CDialog DoDataExchange pDxX 4AFX DATA MAP CSendBMPDIg DDX Control pDX IDC FRAME2 m ctiFrame2 DDX Control pDX IDC FRAME m_ctlFrame HAFX DATA MAP BEGIN MESSAGE MAP CSendBMPDIg CDialog YAFX MSG MAP CSendBMPDIg ON WM SYSCOMMANDI ON WM PAINT ON_WM_QUERYDRAGICON ON_BN_CLICKED IDC_BEXIT
30. ge We do this just to capture the BMFIH amp BMFH header data HBITMAP hBitmap2 HBITMAP LoadImage AfxGetInstanceHandle m_sBitmap IMAGE_BITMAP 0 0 LR LOADFROMFILE LR_CREATEDIBSECTION 50 Do we have a valid handle for the loaded image if hBitmap Delete the current bitmap if m_bmpBitmap DeleteObject f there was a bitmap detach it m_bmpBitmap Detach Attach the currently loaded bitmap to the bitmap object m_bmpBitmap Attach hBitmap Create clone bitmap object so that we can capture the BMFIH amp BMFH header data if m_bmpBitmap2 DeleteObject m_bmpBitmap2 Detach m_bmpBitmap2 Attach hBitmap2 iFlagDataReceived 0 tell OnPaint not to redraw 2nd frame Invalidate Do we have a valid handle for the loaded image if hBitmap Delete the current bitmap if m_bmpBitmap DeleteObject f there was a bitmap detach it 51 m_bmpBitmap Detach Attach the currently loaded bitmap to the bitmap object m_bmpBitmap Attach hBitmap Create clone bitmap object so that we can capture the BMFIH amp BMFH header data if m_bmpBitmap2 DeleteObject m_bmpBitmap2 Detach m_bmpBitmap2 Attach hBitmap2 iFlagDataReceived 0 tell OnPaint not to redraw 2nd frame Invalidate void CSendBMPDIg ShowBitmap CDC pdc CRect IRect Get the loaded bitmap m_bmpBitmap GetBitmap amp m_bmpBM CDC dcMem Create a device
31. he function of the chip There are OTG On the Go controller register device controller register and 10 host controller register This project uses the device controller register instead of the host controller register The device controller is a cored based on Phillips device controller which is a full speed USB interface device Figure 2 5 shows the three connections between the register and the ISP1362 chip In the device mode the ISP1362 acts as a USB device 12MHz CLKOUT i X2 x1 sie zer 32 POWER ON interna HC BUFFER ESET gt RESET reset MEMORY H_SUSPEND 22 fh H WAKEUP 2 3 to system 5 to 8 doc 81 pp sy 0 to 13 ADVANCED PHILIPS SL em Eto 18 SLAVE HOST OVERCURRENT 361 pens 18 62 64 CONTROLLER PROTECTION gl Doto KTT a Gi NT Tp H_OG2 RD zs DAN Howe wR Ti E 47 na NO aie ON THE GO mAN H pP2 N a INTERFACE CONTROLLER pa eee 9 i a 2 OTG_DM1 DREQI 24 TRANSCEIVER 50 OTG_DP1 25 DREGZ PHILIPS DEVICE INT1 CONTROLLER INT2 CHARGE S y 2 PUMP BUS TESTO TESTI gt TEST2 DC BUFFER apa MEMORY GOODLINK Ce kr 1 9 19 27 4 14 26 7 57 52 37 57 51 40 52 68 34 39 45 48 54 53 pakean M DGND AGND Vog D_SUSPEND GL ID CP CAP2 CP_CAP1 D_WAKEUP OTGMODE Figure2 5 Connection between the three register with ISP 1362 chip 2 4 Coding for Serial Port Communication For serial port communication there are some differences
32. he header and the value is always 40 Next in line are the width and height of the image data This consists of the number of columns and rows If the value of the height is a negative number the image will be stored bottom up which is the normal format for the BMP files Next is the colour planes section It refers to the number of colour planes used to store the bitmap Usually the number of colour plane is 1 The information on bits per pixel shows the number of bits in a single pixel 19 Header Size Image Width Image Height Color Planes Bits per pixel Compression Size of Bitmap Horizontal Resolution Vertical Resolution Colors Important Colors Figure 3 3 Bitmap Info Header The subseguent two fields deal with the image data compression If the compression field is 0 it indicate no compression else if the compression field is egual to 1 it indicates for run length encoding compression When the data is compressed the size of bitmap fields gives the size of image data When it is not compressed it is equal to zero and the software will calculate the size of the data The next two fields deal with the resolution of image data and the final two deal with the colours or gray shade in the image The horizontal and vertical resolutions are expressed in pixel per meter The colour fields help the software decipher the colour table discussed below The colour fields states h
33. ial integrated development environment It is engineered for the C C and C CLI programming languages by Microsoft It has tools for developing and debugging C code especially code written for the Microsoft Windows API and the DirectX API and the Microsoft NET Framework Visual C 6 0 commonly known as VC was released in 1998 and it is popular until now and often used to maintain legacy projects This project uses the version 6 In addition to the conventional graphical user interface applications Visual C enables developers to build Web applications smart client Window based applications and solutions for thin client and smart client mobile devices C is the world s most popular system level language and Visual C gives developers a world class tool with which to build software There are a few reasons why it is chosen to develop the Graphical User Interface The features such as the compile and build system feature precompiled header files minimal rebuild functionality and incremental link significantly shorten turn around time to edit compile and link the program especially for large software projects Because of the functionality that this software offers Microsoft C is chosen to develop Graphic User Interface for this project Besides that Visual C is the most powerful development tool available for Windows excel at creating a wide array of applications including internet and web application This inc
34. ically a command to get and read the inputs that have been entered by the user m_ctlInput is the name of the textbox that contains the input strNiosInput is the name of the string The command strNiosInput is to indicate that if a string is entered character will be added to that string GetBuffer 0 is the location of the string in the buffer For example the strings try The alphabet t is he location 0 alphabet r is the location 1 and the alphabet y is the location 3 The WritePortl command is used to send the strings entered to the hardware to be sorted The strNiosInput ReleaseBuffer is a 23 command to release the buffer This is necessary to release the buffer to empty up the space in the memory For textbox string size must be terminated with a space That is why command iStringSize 1 is needed To write back the sorted string on the edit box command ReadPort2 is used void CSerialNiosDlg OnExit TODO Add your control notification handler code here spPort Closet mi Okt Figure 3 6 Snippet Code for Exit Button For the Exit button the coding is shown in Figure 3 6 Basically the command for exit is simple The commands shown are to close the port for communication and exit the window screen 3 4 4 GUI for Sending Bitmap Image 3 4 4 1 Introduction The bitmap images can be sent to the DE2 board and been transfer back to the GUI The Load button will enab
35. information about the BMP file Bitmap Information DIB Stores detailed information about the bitmap Header images Color Palette Stores the definition of the colors being used for indexed color bitmap Bitmap Data Stores actual image pixel by pixel The Bitmap file format changes as the Microsoft Windows changed This changes causes there are about five or six versions of BMP files such as 1 bit black 18 and white 8 bit gray 24 bit Red Green and Blue 8 bit indexed colour 4 bit indexed colour 32 bit Red Green Blue and Alpha File Type Zero Zero Bitmap Offset Figure 3 2 Bitmap File Header The bitmap files have a file header a bitmap info header colour table and image data This is shown clearly in the Table 3 2 and Figure 3 2 For the file header it contains 14 first bytes of the BMP file The first two byte from the file header is the file type which is always egual to 4D42 in hexadecimal or BM For the size of the BMP file it is located at the next four bytes Next the two bytes are reserved and always equal to zero The last four bytes of the header give the offset to the image data This values points to where in the file the image data begins This value and the other four bytes values in the header is an unsigned number always positive Based of Figure 3 3 for the bitmap info header it occupies the next 40 bytes This bitmap info header begins with the size of t
36. le the users to browse and choose any bitmap 24 image to be loaded in the GUI Then the send button will send packets of the image to the DE2 board and the host computer will send the packets back to the GUI The workflow is shown in Figure 3 7 Click Load Button to load bitmap images Click send button Bitmap images been send by packets to DE2 DE2 board receive the bitmap images Host computer send back the bitmap images The GUI captures and display images Figure 3 7 Workflow for Sending Bitmap Image 3 4 4 2 The GUI Coding There are three buttons that need to be created for this GUI design The first button is Load BMP then Send and the last button is Exit For the Load BMP button the coding is given in Figure 3 8 25 void CSendBMPD1g OnBloadf TODO Add your control notification handler code here Build a filter for use in the File Open dialog static char BASED CODE szFilter Bitmap Files bmp bmp Create the File Open dialog CFileDialog n_ldFile TRUE bmp m_sBitmap OFN_HIDEREADONLY OFN_OVERWRITEPROMPT szFilter Show the File Open dialog and capture the result if m_ldFile DoModal IDOK Get the filename selected m_sBitmap m_ldFile GetPathName Load the selected bitmap file HBITMAP hBitmap HBITMAP LoadImage AfxGetInstanceHandle m_sBitmap IMAGE BITMAP 0 0 LR LOADFROMFILE LR_CREATEDIBSECTION Repeat for clone image We do
37. ludes the web server development It also excels at creating server side components with ATL and creating rich user interfaces and robust applications with MFC Lastly it creates data centric applications with the Visual Database Tools and Universal Data Access 17 The Microsoft Visual C is used to develop and load the image onto the NIOS II system for processing A GUI is created to enable the image to be displayed after it is being transferred from the NIOS II system The USB communication is implemented to send and receive the bitmap image in the Microsoft C environment This communication allows the sending and receiving bitmaps pixel and data values between the Graphical User Interface and the NIOS II system 3 4 2 Microsoft Windows Bitmap Bitmap BMP is defined as a regular rectangular mesh of cells called pixels which each pixel containing a colour value Many graphical user interfaces use bitmaps in their built in graphics subsystem for example the Microsoft Windows In un compressed BMP files the pixels are characterized by only two parameters which are the number of pixels and the information content colour depth per pixel The image pixels are stored with a colour depth of 1 4 8 16 24 or 32 bits per pixel Images of 8 bits and fewer can be either gray scale or indexed colour A typical BMP file usually contains the following blocks of data Table 3 2 Blocks of Data for BMP File BMP File Header Stores general
38. ly interrupt driven Figure 3 1 illustrates the structure of the firmware of device controller ISP1362 15 Processing of flags handling of USB reguests and initialization of the device as well as transfer of data MAINLOOP C CHAP 9 C D13BUS C HAL4SYS C Hardware Abstraction layer HAL4D13 C Interrupt handling and setting of flags ISR C Figure 3 1 Firmware Structure of the Device Controller of the ISP1362 3 4 GUI GUI Graphical User Interface is written fully in Visual C Version 6 This GUI is used to communicate with the DE2 Board In order for the GUI to works there are three steps that need to be taken The first step is to copy the three files which are easyD12 dll easyD12 h and easyD12 lib into the workspace folder These folders are important as it contains the protocol for USB transfer using DE2 Board Next for the header file must include include EasyD12 h before running the software Last but not least must include pragma comment lib EasyD12 lib This command is used to link the library EasyD12 lib to the GUI For this project there are two GUIs that have been created to test the interfaces between the hardware and the DE2 board The first one is GUI for sorting the integers and the second one is GUI for transferring bitmap image 16 3 4 1 Microsoft Visual C Microsoft Visual C is known as MSVC is an IDE commerc
39. mpBM bmWidthBytes m bmpBM bm eight pCharPixel delete pCharPixel Create a device context to load the bitmap into dcMem CreateCompatibleDC pdc Select the bitmap into the compatible device context CBitmap pOldBitmap CBitmap dcMem SelectObject m_bmpBitmap2 dcMem SelectObject m_bmpBitmap2 Get the display area available m_ctlFrame2 GetClientRect IRect Rect NormalizeRect 60 Copy and resize the bitmap to the dialog window pdc gt StretchBit 0 0 IRect Width IRect Height amp dcMem 0 0 m bmpBM bmWidth m_bmpBM bmHeight SRCCOPY dcMem SelectObject pOldBitmap m_ctlFrame2 ReleaseDC pdc void CSendBMPDIg OnClear TODO Add your control notification handler code here APPENDIX B Reference Coding for Sorting Characters SerialNiosDlg cpp implementation file include StdAfx h include SerialNios h include SerialNiosDlg h ifdef DEBUG define new DEBUG_NEW undef THIS FILE static char THIS FILE FILE endif CSerialNiosDlg dialog CSerialNiosDlg CSerialNiosDIg CWnd pParent NULL CDialog CSerialNiosDlg IDD pParent AFX_DATA_INIT CSerialNiosDlg AFX_DATA_INIT Note that LoadIcon does not require a subsequent Destroylcon in Win32 m_hicon AfxGetApp gt Loadicon IDR_ MAINFRAME 61 62 void CSerialNiosDlg DoDataExchange CDataExchange pDX CDialog DoDataExchange pDX AFX_
40. n Rev 2 0 It can support data transfer at full speed and also low speed The most importing thing is that it supports both USB host and USB device which in this project USB device will be used Most USB applications and products operate as USB devices rather than USB hosts This project will operates base on USB device interfaces The USB Host Slave controller also provides a high speed parallel interface to most available processors supports NIOS II with a Terasic driver Lastly it can support Programmed I O PIO and Direct Memory Access DMA and which in this case PIO will be used 2 3 USB Host and Device The DE2 board provides both USB host and device interfaces using the Philips ISP1362 single chip USB controller The host and device controllers are compliant with the Universal Serial Bus Specification Rev 2 0 supporting data transfer at full speed 12 Mbit s and low speed 1 5 Mbit s The functionality of the ISP1362 can be accessed using a group of registers and two buffer memory areas One buffer memory area is for the HC while the other is for the DC Using PIO mode registers can be accessed However for buffer memory it can be accessed using both PIO and direct memory access modes In general there are 16 endpoints provided for the DC in the ISP 1362 for the USB device implementation Each endpoint can be allocated RAM space in the on chip ping pong buffer RAM The endpoints are endpoint O control IN and OUT and 1
41. neering Computer Signature Supervisor name Dr Nasir Shaikh Husin Date MAY 2009 USB DATA TRANSFER HOST FOR ALTERA DE2 BOARD ILI SYAZANA BINTI IBRAHIM A report in partial fulfilment of the reguirements for the award of the degree of Bachelor of Engineering Computer Faculty of Electrical Engineering Universiti Teknologi Malaysia May 2009 DECLARATION I declare that this thesis entitled USB Data Transfer Host for Altera DE2 Board is the result of my own research except as cited in the references The thesis has not been accepted for any degree and not to concurrently submit in candidature of any other degree Name ILI SYAZANA BINTI IBRAHIM Date 14 MAY 2009 o ACKNOWLEDGMENTS Alhamdulillah I manage to complete my final year project within the time given I am so blessed to Allah who gave me tremendous courage strength and spirit to face all the obstacles all this while First and foremost I would like to express my gratitude to my supervisor Dr Nasir Shaikh Husin for his advice and guidance given throughout the progress of this project I would like to thank valued phd student Mr Usman Ullah Sheikh for helping a lot in order to complete this project My appreciation goes to my family who has always been there for me to support and encourage me all these years Thank you for the love and emotional support that they have given to me Finally I would like to thank my fell
42. nfo Headers Workflow of the GUI for Sorting Characters Snippet Code for Send Button Snippet Code for Exit Button Workflow for Sending Bitmap Image Snippet Code for Load Button Bitmap Image Snippet Code for Send Button Bitmap Image Snippet Code for Exit Button Bitmap Image Initial Condition of GUI for Sorting Characters GUI After Entering the Characters PAGE 10 11 11 15 18 19 21 22 23 24 25 26 27 28 29 4 3 44 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 GUI Contains the Sorted Characters GUI with Numbers and Alphabets GUI after Being Sorted Initial Condition of GUI for Bitmap Image GUI After Loading the Bitmap Image GUI After the Image is Sent 32 25 Pixels Bitmap Image 64 Pixels Bitmap Image 144 Pixels Bitmap Image 14400 Pixels Bitmap Image 144 Pixels Bitmap Image Part 2 120x120 Pixels Bitmap Image Part 2 13x13 Pixels Bitmap Image 20x20 Pixels Bitmap Image 29 30 30 31 32 33 34 34 35 35 36 36 37 xi xii LIST OF ABBREVIATIONS USB Universal Serial Bus GUI Graphical User Interface CPU Central Processing Unit DMA Direct Memory Access PIO Programmed Input Output HC Host Controller DC Device Controller DIB Device Independence Bitmap API Application Programming Interface RAM Random Access Memory FPGA Field Programmable Gate Array APPENDIX LIST OF APPENDICES TITLE Reference Coding for Sending Bitmap Image Reference Co
43. ng banyak digunapakai sebagai medium penghantaran data antara sesuatu alat dan CPU GUI pula merupakan cara bagi manusia berkomunkasi dengan komputer menggunakan tetingkap ikon dan menu yang dimanipulasikan menggunakan tetikus Projek ini adalah gabungan diantara kedua dua GUI dan USB untuk membolehkan aplikasi USB menggunakan ALTERA DE2 Development Board sistem NIOS II dapat dijalankan GUI digunakan sebagai medium alat untuk menghubungkan CPU dan sistem NIOS II menguunakan applikasi tetingkap Obejktif projek ini adalah untuk membolehkan komunikasi diantara CPU dan sistem NIOS II dan untuk merekacipta GUI yang boleh menangkap data dari CPU dan kemudian menghantar kembali data tersebut ke CPU GUI yang telah direkacipta boleh menyusun aksara secara sistematik berpandukan kepada kod ASCII dan juga boleh menghantar gambar bitmap dengan menjadikan USB sebagai medium untuk berkomunikasi Berdasarkan keputusan yang diperoleh komunikasi diantara CPU dan GUI adalah berjaya kerana data dapat ditangkap dan dihantar semula ke CPU CHAPTER TABLE OF CONTENTS TITLE DECLARATION ACKNOWLEDGEMENT DEDICATION ABSTRACT ABSTRAK TABLE OF CONTENTS LIST OF TABLES LIST OF FIGURES LIST OF ABBREVIATIONS LIST OF APPENDIX INTRODUCTION 1 1 Background 1 1 1 Universal Serial Bus USB 1 12 Graphical User Interface GUI 1 2 Objectives 1 3 Scope 1 4 Outlined of thesis LITERATURE REVIEW 21 Introduction 2 2 ALTERA DE2 Development Board 2 3 USB Hos
44. of the USB is as the host interface The data can also be transferred using serial port communication but this is slow compare to transferring using the USB 1 1 2 Graphical User Interface GUI GUI is the short form of graphical user interface it is a type of user interface which allows people to interact with electronic devices such as computers A GUI usually offers graphical icons and visual indicators as opposed to test based interface typed command label or text navigation to fully respect the information and actions available to a user These actions are usually performed through direct manipulation of the graphical elements A GUI uses a combination of the technologies and devices to provide a platform the user can interact with for the task of gathering and producing information It is a way of communicating with a computer that uses visual feedback to the users as mush as possible Features of GUI includes the use of icons to represent commands and options pull down menus that appears when called for and disappear when no longer needed and the use of mouse to move pointer around the screen By pointing to the appropriate icons or menu items and clicking a mouse button various commands can be activated It is possible to use the mouse in drawing programs Today s major operating systems provide a graphical user interface Applications typically use the elements of the GUI that come with the operating system and add their
45. osDlg OnExit TODO Add your control notification handler code here spPort Close OnOK void CSerialNiosDlg OnRx CString strNiosOutput CString strSortedOutput unsigned char ucData 400 int iMaxDelay 0 enum State NoData DataBegin DataFinish DataError State eState NoData DWORD dBytesWaiting int iBytesWaiting 67 Sleep 100 wait 100 ms DWORD BytesWaiting returns of bytes waiting to be read from serial port dBytesWaiting spPort BytesWaiting iBytesWaiting int dBytesWaiting TRACE nOnRx1 tiBytesWaiting d iBytesWaiting DWORD Read void IpBuf DWORD dwCount spPort Read ucData dBytesWaiting strNiosOutput ucData TRACE nOnRx1a tstrNiosOutput s strNiosOutput Not required for Nios II MMIII MM MMMM scanf in Nios echos whatever it receives Hence we need protocol to identify beginning of data actually sent by Nios The string before actual data is So search for this string and capture the data following it int ilndexStart while eState NoData while loop do returns 1 if char is not in CString otherwise returns position of char iIndexStart strNiosOutput Find TRACE nOnRx2 tilndexStart d n ilndexStart if ilndexStart 1 break no so get out of do loop else data has if strNiosOutput ilndexStart 1 next data after is d
46. ow friends and anyone who is involved directly or indirectly with this project My greatest thanks for all of you and may Allah bless you Thank you Dedicated in thankful appreciation For support and care To my beloved mother and father Sahariah and Ibrahim My understanding brothers and sisters Helmi Liyana Hazwan Eleina and Amalina My wonderful friends My supportive lecturers ABSTRACT In this modern technology world USB has become the most common serial bus interface between a device and a PC GUI on the other hand is a way for human to interact with the computers that use windows icons and menus which can be manipulated by a mouse This project is the combination of both USB and GUI to implement the USB applications using Altera DE2 board NIOS II system The GUI is a tool to connect the host computer and the NIOS II system using windows application The objectives of this project are to enable the USB communication between the CPU and the NIOS II system and to design a GUI that can capture the data from the CPU and then transfer back the data to the CPU The GUI created can sort the characters and can transfer bitmap image using USB as the medium to communicate between the host computer and the GUI Based on the result obtained it shows that the communication is successful as data can be captured and transferred vi ABSTRAK Dalam dunia yang serba canggih ini USB merupakan pengataramuka bas sesiri yang pali
47. ow many colours or gray shades are in the image The important colour field states how many of the colours are important to the image The colour table comes after the header A colour table is defined as a look up table that assign gray shade or colour to a number given in the image data Colour table offers the opportunity to save space in image files and to match the image colour to a display or printing device They do not play an important role in 20 the image processing routine for a gray scale images There are four bytes in each colour table entry for the BMP colour table The bytes are for the blue green and red colour values The fourth byte is padding and is always 0 The last part of the BMP file is the image data The data is stored row by row with padding on end of each row The padding ensure the image rows are multiple by four Multiple of four numbers are just like the colour table make it easier to read blocks and keep track of addresses In order to create new bitmap display for this project the bitmap header and bitmap info header are cloned 3 4 3 GUI for Sorting Characters 3 4 3 1 Introduction The integers can be sorted by using the GUI designed The GUI communicates with the DE2 board The Figure 3 4 gives an idea about the route on how the GUI for sorting the integers works First by clicking the Sort button in the window panel causes the host computer to send a particular USB packet to the DE2 bo
48. t and Device PAGE ii iii iv vi vii ix xii xiii gt A N e m 0 n a A vii viii 24 Coding for Serial Port Communication 11 3 METHODOLOGY 13 3 1 Introduction 13 3 2 Hardware 13 3 3 Firmware 14 3 4 GUI 15 3 4 1 Microsoft Visual C 16 3 4 2 Microsoft Window Bitmap 17 3 4 3 GUI for Sorting Characters 20 3 4 3 1 Introduction 20 3 4 3 2 The GUI Coding 22 3 44 GUI for Sending Bitmap Image 23 3 4 4 1 Introduction 23 3 4 4 2 The GUI Coding 24 4 RESULTS AND DISCUSSION 28 4 1 Sorting Characters 28 4 2 Bitmap Transfer 31 5 CONCLUSION AND RECOMENDATIONS 38 5 1 Conclusion 38 5 2 Problems Encountered 38 5 3 Recommendations 39 REFERENCES 40 APPENDIX A 41 APPENDIX B 61 TABLE NO 3 1 3 2 LIST OF TABLES TITLE Input Output I O Addressing Blocks of Data for BMP File PAGE 14 17 FIGURE NO 21 22 2 3 2 4 2 5 2 6 2 7 2 8 3 1 32 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 4 1 4 2 LIST OF FIGURES TITLE The diagram of the Altera DE2 Phillips Development Board Schematic Diagram of Altera DE2 Board Block Diagram of Altera DE2 Board USB ISP1362 Host and Device Schematic Connection between the Three Register with ISP 1362 Chip Snippet Code for Send Button Serial Port Snippet Code for Receive Process OnRx Part 1 Snippet Code for Receive Process OnRx Part 2 Firmware Structure of the Device Controller of the ISP1362 Bitmap File Headers Bitmap I
49. to be read from serial port dBytesWaiting spPort BytesWaiting if int dBytesWaiting gt iBufSize dBytesWaiting DWORD iBufSize DWORD Read void IpBuf DWORD dwCount spPort Read ucDataSorted dBytesWaiting TRACE nOnRx1a tucDataSorted s ucDataSorted 56 iDataSize int dBytesWaiting TRACE nOnRx2 tiDataSize d iDataSize Grab data until data size equals the known data size int iBmpSize m_bmpBM bmWidthBytes m_bmpBM bmHeight if iDataSize lt iBmpSize iMaxDelay 0 do if iMaxDelay 300 iDataError 1 MessageBox Not all data received in allotted time Error MB_OK MB_ICONERROR break terminate do loop if Sleep has been run 300 times Sleep 100 100 ms delay required TRACE nOnRx3 tiMaxDelay d iMaxDelay dBytesWaiting spPort BytesWaiting if int dBytesWaiting gt iBufSize dBytesWaiting DWORD iBufSize iBytesWaiting int dBytesWaiting spPort Read ucData dBytesWaiting 57 TRACE nOnRx3b tiBytesWaiting d iBytesWaiting if iDataSize iBytesWaiting gt iBmpSize iBytesWaiting iBmpSize iDataSize iDataFinish 1 get out of do loop TRACE nOnRx3c tucData s ucData memcpy amp ucDataSorted iDataSize ucData iBytesWaiting sizeof unsigned char iDataSize iBytesWaiting TRACE nOnRx4 tiDataSize d iDataSize TRACE nOnRx5 tucDataSorted s ucDataSorted
50. ytesWaiting gt iStringSize iBytesWaiting iStringSize strSortedOutput GetLength eState DataFinish strSortedOutput strNiosOutput Left iBytesWaiting while eState DataFinish if eState DataError m_ctlOutputStr SetWindowText strSortedOutput KY aaa Figure 2 8 Snippet Code for Receive Process OnRx Part 2 The whole coding that is shown in Figure 2 7 which is the Part 1 and Figure 2 8 which is the Part 2 can be simplify by just using the ReadPort2 command for the USB communication For the serial communication sleep 100 is required but for the USB communication this can be neglected The reason why USB is used instead of serial communication is because the rate of transfer for USB is much faster than the rate for serial communication CHAPTER 3 METHODOLOGY 3 1 Introduction In this project there are three parts of design The first part is the hardware second is the firmware and the last part is the GUI Graphical User Interface The hardware is already exists and will be implemented on the Altera DE2 Phillips development board to enable the data transfer A software program in this case is refer to the firmware need to be executed on the NIOS II processor in order to initialize the Phillips ISP 1362 chip after connecting the Altera DE2 Phillips development board to a USB port on the host computer 3 2 Hardware This project uses the PIO Programmed Input Output mode instead of
Download Pdf Manuals
Related Search