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CommView User`s Manual

1. 4 6 10 CommYiew x File Edit Curs1 1 295000 us sz 3 Delta 1 875000 us o ue Be Ger Toh Sae mae oh eb mea pas ae as ae por 5370000 us pl Bite 17h Pa Gye 18h Fle Bre 18 page tah an ae as aa fo Do TA 6 695000 us Fkt Byte 17h Fkt Byte 18h Pkt Byte 19h Pa Byte 14h 6 720000 us Pkt Byte 16h Fkt Byte 1Ch Fkt Byte 1Dh Fkt Byte 1Eh 6 745000 us Pkt Byte 1Fh Fkt Byte 20h Pkt Byte 21h Fkt Byte 22h ooo ur Fu Bye 1m Fue i n nene toh Pu Be ian 17 pas as ua to d past us Pe Be 1h Rete 10 ergo me ap ue oc fo 200 ef ee 8 Bye 0h Yes Gh ow Bree ao ae as as fo pa A3ASONO ue Pkt Rute 17h Pht Rute 18h Pla Rute 19h Pt Rute 14h 17 Filter h Options lt Minimize UET Aligned Symbol d Set All Clear All S Fite OD Show Disable Default Syne gt Op Field Value Align IF xl Data xl Carrier Extend Error Propagation Ordered Set O Start Frame Y Pkt Byte C Preamble C Start Pkt Offline Figure 4 Listing with filtered records Note that changing the radix of a field from numeric to symbolic or symbolic to numeric after defining filter or search terms can affect the term s validity Comparisons are performed on field values in the radix they are displayed not the radix at the time the predicates were built An error will occur if filtering or searching using a nornumeric predicate value on a field that is
2. 5 Check if Tek Visa 3 3 is installed on the scope if different from host computer 6 If not install it on the scope 2 3 Enabling the VXI 11 Server Next to enable remote computers to access the scope via TekVisa you must enable the VXI 11 server on the scope When TekVisa is installed an application called the TekVisa LAN Server is installed and accessed via an icon in the system tray far right of the task bar After installation the server will be initially disabled and its icon will be overlaid with a red X If you right click on the icon you can enable the VXI 11 server by selecting the appropriate option in the pop up menu Note if the VXI 11 server icon is not present in the system tray you can manually start it via Start gt Programs gt Tek VISA gt VXI 11 Server Control Generally you will want to start the VSI 11 server automatically at powerup To do this you can right click on the TekVisa LAN Server icon select Server Properties and check Start server at system powerup 2 4 Licensing and License Keys CommView requires a licensing dongle to be plugged into the USB port of the scope for general operation Without the dongle present CommView will not connect to a scope or process saved scope data files However for the purposes of demonstration it canload and view saved system files even without proper licensing Page 2 The Moving Pixel Company CommView User s Manual
3. Code K28 0 Code E H yro Syne Syne Syne Code K28 5 Code K26 5 Code K28 5 Code Skip Code K25 0 0 Code K28 0 A K28 0 E ble Preamble Preamble K27 7 Code D21 2 Code D21 2 Code D21 2 eamble Preami Preamble Start Frame Code D21 2 Code D21 2 Code D21 2 Code D21 6 Pla Byte ODh Pkt Byte GEh Code D11 0 Code D12 0 Code D13 0 Code D14 0 OBh Ch Data 9Dh Data 0Eh 645 000 rs Pkt Byte OFh Fkt Byte 10h Prt Byte 11h Pkt Byte 12h Code D15 0 Code D16 0 Code D17 0 Code D18 0 Data OFh Data 10h Data 11h Data 12h A Fkt Byte 14h gt 15h Pkt Byte 16h Code D19 0 Code D20 0 Code D21 0 Code D22 0 Data 13h Data 14h Data 15h Data 16h Filter h Options Minimize Offline Moving Pixel Company Figure 7 Listing with mnemonic fields 3 3 3 4 lt Minimize gt Tab When clicked the lt Minimize gt tab simply collapses the entire tab control to the bottom of the listing window expanding the listing grid to its maximum extent within its child window The tab labels are still visible and clicking any other tab will expand the tab control back to its original fixed size Figure 7 shows the listing window with the tab controls collapsed 3 4 Shortcuts CommView has many useful shortcuts that enhance searching and viewing the disassembly listing For easy reference the user can view a list of these shortcuts in the application
4. Doc Rev 1 06 4 6 10 3 Operation 3 1 Overview Structurally the CommView application consists of a main window with menu and status bars a data cache and zero of more Listing windows Most often the application runs with only one Listing window zoomed so that it fills the entire application window and appears integrated into a single frame When CommView is first started a Listing window is created in zoomed mode The data cache is naturally empty so the Listing window appears as a blank grid except for its column headers Since each Listing window has its own set of controls each independently supports viewing the data cache as customized by the user This allows for example one window to display the records resulting from a filtered search while another could be used to examine the record context around a particular search record To open a new listing window use the New Disassembly Listing menu option in the Windows menu Each Listing window has controls to minimize zoom or close it and each can be resized as desired In addition you can use the Windows menu to bring any individual Listing window to the foreground Early on in your session you will want to set the communications standard to be used for disassembly This is selected via the Standard menu Natuarally each standard has its own requirements for data acquisition decoding and disassembly Unique details pertaining to the disassembly of each standard a
5. may be added i e the field made visible or deleted made invisible by right clicking the context menu of any column header Some fields are only specific to a subset of record types Dashes are displayed in a field if it is not applicable to a particular record 3 3 1 9 Row and Column Manipulation 3 3 1 9 1 Row Selection Single rows can be selected by right clicking on the row header i e the Sample field of a record A contiguous region of rows can be selected by first selecting a row then selecting a second later row while holding the shift key down Once selected rows can by copied to the clipboard with Ctr C or the Copy Selected Rows menu option in the Edit menu 3 3 1 9 2 Column Selection Similarly single columns can be selected by right clicking on the column header i e the field name of a column A contiguous region of columns can be selected by first selecting a column then selecting a second column while holding the shift key down In addition a discontinuous set of columns can be selected by clicking while holding the control key down When a set of columns is selected certain options in the column context menu will apply to each column e g Delete Columns Restore Select Column Width s 3 3 1 9 3 Column Widths Column widths are automatically set to accommodate the widest string or value to be displayed and are updated whenever the field radix is changed However the user may adjust column width by
6. to scroll the listing grid to the record location of the indicated cursor Also if the context menu is brought up from a norrheader cell the Move Cursor Here and Move Cursor2 Here options are available which perform as described 3 3 1 11 Column Context Menu Summary The column context menu is brought up by right clicking in any cell except for the sub header row second row of the listing grid Depending on the cell location clicked to bring up the menu certain options will be enabled or disabled Many of the functions of this menu have been described in previous sections Here is a summary of all the functions in the column context menu e Add Column s brings up dialog to add columns i e make fields visible to the listing grid e Delete Column s deletes selected columns e Goto Cursorl scrolls the listing grid to the record location of cursor 1 Page 12 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 e Goto Cursor2 scrolls the listing grid to the record location of cursor 2 Goto Goto Trigger scrolls the listing grid to the record location of cursor 2 brings up dialog to enter a sample number to scroll the listing grid to Move Cursorl Here moves cursorl to the current record Move Cursor2 Here moves cursor2 to the current record Restore Selected Column Width s restores selected columns to their default width Modify Filter From Cur
7. 3 3 Listing Window Functionality ooocoommcsm 7 3 3 1 Esta Giderse imos e A eee 8 3 3 1 1 E 8 3 3 1 2 Ma as e o ed A e loe 8 3 3 1 3 O sss hac voted Pecasa tut coved A acne taphoneteeds eee Rous 8 3 3 1 4 Detling he Field Rad daa 9 3 3 1 5 Setting the Time Field Reference is c sssds sesscesayecaeseshvcssctegtessdeonceeacetave 9 3 3 1 6 Defining and Using a Symbol Fil oooonnoconnnucccnnncccnnancnnnnnnnnanccnnnnos 9 3 3 1 7 Common A knn a E aaie 10 3 3 1 8 EOS EE E un E ATE 11 3 3 1 9 Row and Column ManipulatiON oooocnnococnoncccnoncnononcnonancnonnnanonnnccnnno 11 NL A sqeseanynedsanateonsbeeghastomescdeaanes 11 551 92 Column Selection ao a 11 31903 Colt Wide 11 3 3 1 9 4 Reordering COMAS cccass ss ctesusiee ts decode oe metheiscagedageeadiedeteaae 11 ZIV OD Adding COMAS is ciao 12 3 3 1 9 6 DEl CAOS 12 3 3 1 10 TA ad OSOS e A A E RAR 12 3 3 1 11 Column Context Menu Summary coooccccnoccccnncncnonanononancnonanonancnnnnncnnnns 12 3 3 1 12 Radix Context Menu Summary cccccoocccnnoccnnonnnononanonnnnnnnoncnonnncconnnaninns 14 3 3 2 C rsor Panel aein oree a A E tenes 14 3 3 3 Uio OTA A EEE A E E E EE 15 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 4 5 3 3 3 1 Filter Taba 15 3 3 3 2 POS ALN abd o AS 19 3 3 3 3 Options Tab ts cress eu aga O secs tut toda sence ade es 20 3 3 3 3 1 Mnem Config Dial os pei ita 21 3 3 3 4 lt Minimizes Taba iio 22 e A O EE 22 3 4 1 Quick Filtering a
8. Example Page 25 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 Figure 9 illustrates the result of right clicking in a cell of a DigRF listing that shows a header byte in lane 2 and then typing CTL F CommView fills in fields in the Filter tab and selects Show to display all records that contain a Hdr1 mnemonic in lane 2 Notice since the Time field is set to display relative to the previous record the times reflect the delta time between occurrences of the Hdr1 field in lane 2 CommYiew digRF_demo cmy Listing1 File Edit Control Standard Window Help Curst Ops Curs2 488 800 ns Delta 488 800 ns Sample Time Mnemil Mnem1 Data Datal CHO c lec SymDef SymDef SymDef Hex Hex Hex in 26 e an 19999994 S0F deat o o o Y e ar i i MIME CCT Payload Be Ooh a1 00 0 4 aa ms sora feas a4 23032 3240059 us CEIM Payoad Be Oh sa CO o 1 PAO sscccGnc s0F man f ee se a 1 24102 202090 ne CEMIS ESTETICA 00 o 1 eee Ssssoaus sor__ man__ se oo a 24312 1010009 us sor mar we as 2 EN 7505 EE TAM CIS E aT 7513 199 999 ns SOF b II amp Show Disable ly Sleep 0 Comp V HS Prepare sl Hart YI LS Prepare zll Hdr Offline Moving Pixel Company Figure 10 Quick Show Any Lane Example However since the Hdr1 field can occur in either lane the time field does not necessarily indicate the time interval between packets To ensur
9. Filter Show Disable Default Op IF Memi ooo Ra Cia Syne Ra io pao oso ro o225 2 TCPIP fh Figure 3 Disassembly Listin The Listing window see Figure 3 contains three main controls Page 7 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 e Listing Grid grid control for viewing data records e Cursor Panel custom control for manipulating cursors and navigating the listing grid e Tab Control container control with several tabs and controls for filtering searching setting view options etc The next three sections describe the function and behavior of each control 3 3 1 Listing Grid The listing grid displays records according to the current view arranged in order from earliest in time at the top to latest in time at the bottom Generally only a subset of records can be viewed at one time Thus a vertical scroll bar allows the user to choose the starting record in the grid referenced by its Sample number field which starts at 1 and increments by one for each record in the data cache 3 3 1 1 Records Records represent acquired or derived data from a particular point in time in the waveform trace and are time stamped accordingly For simple standards the time stamp spacing between records is often simply the bit period of the acquired data More complicated standards may
10. Rev 1 06 4 6 10 4 Standards 4 1 XAUI Standard Selecting the XAUI standard decodes acquired data according to the Physical Medium Attachement Sublayer PMA and Physical Coding Sublayer PCS of the 10 Gb Ethernet standard 802 3 running on the XAUI physical interface As this document only provides very limited information about this protocol specifically only how it relates to disassembly please consult the 802 3 standard for more details The XAUI standard transmits data using four serial bit streams running at 3 125 Gb s Each lane is 8b10b encoded and has its own independent clock which can result in many tens of bit times of data skew among them Symbol alignment is realized through the use of special a 8b10b code called Align which occurs periodically in each lane Thus a big part of decoding the XAUI data stream is decoding 8b10b symbols and determining alignment The next higher protocol level after PCS is XGMII XGMII packet data is encapsulated by special 8b10b codes and a preamble sequence By parsing these codes and the preamble sequence Comm View can identify this data 4 1 1 Views Four views are provided for XAUI disassembly e Unaligned Bit displays raw unaligned XAUI data as it was acquired Each bit time is displayed as a record with the simple mnemonics Bit0 and Bit1 No fields are applicable to either of these record types e Unaligned Symbol displays the raw unaligned XAUI data as it was acqui
11. Sleep and the Prepare segments are still displayed and neither are symbols in any lane preceding the aligned SOF markers 4 2 2 Mnemonic Types The following mnemonic types are defined for the DigRF standard Unaligned Bit View Data Bits o LS Bit 0 LS bits having a value of 0 o LS Bit 1 LS bits having a value of 1 o HS Bit 0 HS bits having a value of 0 o HS Bit 1 HS bits having a value of 1 Segments o Sleep sleep and stall segments HS Prepare prepare segments preceding an HS burst LS Prepare prepare segments preceding an LS burst Unknown unknown segments O O O Unaligned Symbol View Symbol Bytes o SOF start of frame control symbol K28 5 o EOF end of frame control symbol K28 6 o EOT end of transfer control symbol K28 3 o Idle filler control symbol K28 1 o Control Byte any other control symbol Data Bytes o Data Byte any occurring data symbol Segments o Sleep sleep and stall segments HS Prepare prepare segments preceding an HS burst LS Prepare prepare segments preceding an LS burst Unknown unknown segments O O O Aligned Symbol View Symbol Bytes o SOF start of frame control symbol K28 5 o EOF end of frame control symbol K28 6 Page 34 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 o EOT end of transfer control symbol K28 3 o Idle filler control symbol K28 1 o Control Byte any other control sy
12. THE SOFTWARE REGARDLESS OF THE FORM OF THE CLAIM Some countries states do not allow the limitation or exclusion of liability for the incidental or consequential damages so the above limitation or exclusion may not apply to you Page 38 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 PRODUCT RETURNS If you must ship the Software to TMPC or an authorized TMPC distributor or dealer you must prepay shipping and either insure the software or assume all risk of loss or damage in transit U S GOVERNMENT RESTRICTED RIGHTS All Software and related documentation are provided with restricted rights Use duplication or disclosure by the U S Government is subject to restrictions as set forth in the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 or the Commercial Computer Software Restricted Rights at 48 CFR 52 227 19 as applicable If you are sub licensing or using the Software outside of the United States you will comply with the applicable local laws of your country U S export control law and the English version of this Agreement MANUFACTURER The Moving Pixel Company 4905 SW Griffith Drive 106 Beaverton OR 97005 1 503 626 9663 phone 1 503 626 9653 fax www movingpixel com GENERAL This Agreement is binding on you as well as your employees employers contractors and agents and on any successors and assignees Neither the Software nor any information derived th
13. all types are checked the filter equation for each record will evaluate solely to the result from the Filter Term grid The Filter Term grid defines zero or more boolean terms one per row which compare a record field to a constant value Terms are logically connected via AND or OR operations to build a Sum O f Products equation used in the overall filter equation The AND operation takes precedence over the OR operation so A AND B OR C AND D is evaluated as A AND B OR C AND D The grid defines four columns as follows e Op defines how the term is logically connected to its predecessor either via AND or OR the first term which has no predecessor is fixed to show IF In addition to showing the logical operation associated with the term this field is a combo box that provides options for adding or deleting terms For AND terms two options are available add another AND term to the product or delete the current AND term For IF or OR terms two additional options are available add another OR term to the equation or delete the current OR term which includes all AND terms of the product e Field combo box to select a record field name e Comp combo box to select a comparison operator lt lt gt gt e Value text box to enter a comparison value Page 16 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 To define a filter equation begin with filling in the Field Comp and Value
14. currently being displayed as a numeric value though hex decimal and binary conversions are automatic Figure 4 shows an example XAUI listing with filtered records The mnemonic types checked in the listbox are Sync and Pkt Byte Given that the Show radio button is checked only records containing at least one lane with one of these two types will be displayed In addition the Filter Term grid contains one term Data0 xch This further filters the listing to show only records whose Data0 field ends in hexadecimal c x represents don t care Finally since the Disable skipped lines highlight option is dead Options tab Page 18 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 not shown thick horizontal highlights are present to indicate one or more filtered records in between visible records 3 3 3 2 Search Tab The search tab contains controls for searching and possibly highlighting records that satisfy given criteria Statistics about filtered and matched search records are also displayed Here is a description of the controls contained in the filter tab Highlight Selected Checkbox when checked records satisfying the search criteria are highlighted in the listing Search Cnt Readout displays the number of records and percentage of all acquired records that satisfy the search criteria Visible Cnt Readout displays the number of records and per
15. fields of the first term in the Filter Term grid Next select the Op drop down and select lt Insert OR term gt or lt Insert AND term gt to add a new term to the equation Fill in the fields of that term and continue inserting terms until the equation is fully defined Numeric field values are assumed to be in decimal unless appended with an h for a hexadecimal value or a b for a binary value When using hex or binary values an x may be used as a don t care placeholder Thus the value 1xh will match values from 10h to 1fh Symbolic field comparison symbolic is supported but the user should understand that values are compared using string comparison and so results may not be as intended For example if the user constrains the filter equation to select a time range when the Time field is set to symbolic he might set up the following equation IF Time gt 100 us AND Time lt 200 us However the result of the string comparisons against Time values such as 120 888 ns and 190 666666666 ms will not be as desired In general the and comparison operations are most predicatble though be aware that comparisons are case sensitive Using the context menu Modify Filter From Current Cell sub menu is very helpful in copying exact string values from the grid into search and filter predicates Page 17 The Moving Pixel Company CommView User s Manual Doc Rev 1 06
16. is associated with bit O lane 1 is associated with bit 1 etc This field is present in all records that have at least one control or data byte mnemonic Emb single bit field indicating whether the current data or control byte is part of an embedded packet 1 or not 0 HS single bit field indicating whether the current data or control byte is part of a high speed burst 1 or a low speed burst 0 Per record CRC fields ExpCRC 16 bit field indicating the computed CRC value for the associated packet CRC 16 bit field extracted from the current packet CRCValid 2 bit mask indicating whether the high and low CRC bytes in the packet match the expected CRC Bit zero is set to 1 when the high byte of the CRC matches and 0 otherwise Bit one of the mask is set to 1 when the low byte of the CRC matches and 0 otherwise Page 35 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 Per record header fields RTI retransmission indicator in the current packet Hdr1 records CRI cyclic running index for the current packet Hdrl records xLC_ID logical channel number for the current packet Hdr1 records LCI logical channel indicator for the current packet Hdr1 records CLC_LEN payload length field Hdr2 records SDLC_ID logic channel extension field Hdr2 of SDLC records CIL compression information length field Hdr2 of SDLC records 4 2 4 Options No additional options
17. not run the TekVisa installation program provided on the CD ROM TekVISA_3 3 2 7_2009 01 29 17 07 38_14810_EN exe 4 If TekVisa version 3 3 or greater is not already installed on the scope run the TekVisa installation program provided on the CD ROM TekVISA_3 3 2 7_2009 01 29 17 07 38_14810_EN exe 2 2 Installation Via Website If you downloaded the CommView installation program from the Moving Pixel Company website you may need to download NET 3 5 from Microsoft and TekVisa from Tektronix 1 Check if NET 3 5 is installed on the host computer e Click on Start gt Settings gt Control Panel e Click on Add or Remove Programs e Scroll to see if Microsoft NET Framework 3 5 is installed Page The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 2 If not download and install NET 3 5 from the Microsoft website http download microsoft com download 6 0 f 60fc5854 3cb8 4892 b6db bd4f42510f28 dotnetfx35 exe Please note that it is over 200 MB 3 Check if TekVisa 3 3 is installed on the host computer e Click on Start gt Settings gt Control Panel Click on Add or Remove Programs Scroll to see if OpenChoice Tek VISA is installed Click on Click here for support information to see the version Verify that it is version 3 3 or above 4 If not download and install TekVisa 3 3 from the Tektronix website http www2 tek com cmswpt swdownload lotr ct SW amp cs sut amp ci 15592 amp 1c EN
18. sample numbers incrementing by 8 and there will be one eighth as many 3 3 1 3 Fields All records have fields Some fields represent meta information about the record itself such as 1ts sample number or timestamp some fields convey direct information about the data Page 8 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 captured and some fields contain derived information about the record possibly including data context and information from other records The mnemonic field is a string field describing a record s type which is dependent on the current view selected For standards with more than one lane a mnemonic field is generally defined for each lane and thus a record may have multiple mnemonics associated with it 3 3 1 4 Setting the Field Radix Most fields are numeric and have an underlying value associated with it Numeric fields can be displayed as binary decimal or hexadecimal by right clicking the radix context menu of a particular column sub header second row in grid In addition numeric fields can be associated with a user defined symbol file in which case this option will also be available in the radix context menu Similarly if a standard defines a default symbolic association with the field it too will be available in the menu 3 3 1 5 Setting the Time Field Reference The time field is present in all records and all standards associating the record with a specific timesta
19. scrolls the listing window to the position clicked 3 3 3 Tab Control The tab control in the lower part of the listing window contains four tabs Filter Search Options and lt Minimize gt The functions supported in each tab are described in this section 3 3 3 1 Filter Tab The filter tab contains controls to filter records displayed in the listing based on user criteria In particular most controls in this tab help to define or apply a filter equation that is evaluated for each record and determines whether or not the record is displayed Note that some controls such as the Filter Show and Disable radio buttons and the View combo box update the disassembly listing as soon as they are used On the other hand changes in the Mnemonic Type list box and the Filter Term grid do not take effect until the Apply button is clicked Here is a description of the controls contained in the filter tab e View Combo Box selects the current disassembly view Disassembly views are unique to each standard and generally correspond to layers in the protocol stack See documentation about each standard for more information about the views it supports e Mnemonic Type List Box contains a list of all mnemonic types defined for the current view The list box is used to define criteria for the overall filter equation that Page 15 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 consists of the OR of all selected
20. the beginning and end of the listing To center the listing on the row with the current cell highlighted in yellow use the CTL L shortcut Because in some standards some fields in the listing only apply to certain packet types often you want to scroll up or down to the next valid field skipping over the records that aren t applicable To do this you can use the CTL Up or CTL Down key combination For Page 23 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 example in a DigRF listing pressing CTL Down when the current cell is in the CRC field of a packet will scroll the listing to the CRC of the next packet There are shortcuts to scroll a particular position equivalent to the Goto commands available in the column context menu You can scroll to the location of the trigger cursorl cursor2 or a particular sample number with CTL 1 CTL 2 CTL T or CTL G respectively Conversely you can instead move a cursor to the current position with ALT 1 or ALT 2 Some shortcuts deserve special mention because they are so useful specifically those that apply to filtering and searching Several of the filter and search menu options available in the filter or search submenu of the column context menu are available via shortcuts Specifically these are the Quick Show Quick Search and Disable Filter options The next section section 3 4 1 describes their application in more detail Once the search equation has
21. to close the dialog without any changes 3 3 1 9 6 Deleting Columns To delete columns from the current display i e make fields invisible first select one or more columns and then either right click in one of the selected column header to bring up the context menu and select Delete Column s or simply press the delete key If multiple columns are to be deleted the user is asked for confirmation 3 3 1 10 Trigger and Cursors A trigger and two cursors can be displayed in the listing grid changing the background shading of a particular record The trigger is only available in some standard implementations specifically those that want to indicate where the trigger occurred in the disassembly When enabled it is a static fixed position that cannot be changed but can be used as a reference for time measurement and Goto operations Cursors are enabled by checking the associated checkbox in the cursor panel to the right of the listing grid and can also be controlled from the cursor panel control see Cursor Panel section for more details The current cursor positions and the delta time between them are displayed above the listing grid using the current global time reference set in the time field radix context menu Cursor related functions are also available in the column context menu available by right clicking in any grid cell except the radix sub header row In particular the user can select Goto Cursor1 or Goto Cursor2
22. types See the discussion later in this section for more details e Filter Term Grid allows the user to compose terms of the filter equation See the discussion later in this section for more details e Set All Button checks all mnemonic types in the list box e Clear All Button clears all selected mnemonic types in the list box e Filter Radio Button enables record filtering and uses the filter equation to determine which records should not be displayed i e if the filter equation evaluates true for a record it is not displayed e Show Radio Button enables record filtering and uses the filter equation to determine which records should be displayed i e if the filter equation evaluates true for a record it is displayed e Disable Radio Button disables record filtering e Default Button requests confirmation from the user and clears the list box and filter term grid e Apply Button Applies changes to the listbox and or filter term grid updating the disassembly listing The Mnemonic Type list box and the Filter Term grid together define the overall filter equation The list box defines a set of mnemonic types that qualify records for further evaluation by the filter terms That is records that satisfy the filter equation must have at least one lane with a mnemonic type than is checked in the list box So for example at the extremes if no types are checked the filter equation will evaluate false for all records And if
23. which occupy an equivalent number of lines in the symbol file The first N 1 lines of a mapping define the first N 1 predicate terms each followed by AND or OR The last line of a mapping defines the last predicate term followed by a colon and then the mapping string enclosed in quotes Each predicate term consists of a relational operator and a value Relational operators are SA RA Sa lt and Values are interpreted as decimal unless an h or a b 3 This menu is called the radix context menu Page 9 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 is appended to denote hexadecimal or binary respectively In addition for hex or binary values the character x may be used as a don t care digit if the first character is an x it represents don t care digits up to the width of the field For example the following lines define a predicate equation to detect values between 0x10 and 0x40 or if a value is odd predicate equation gt 10h AND lt 40h OR xlb Range between 10h 40h or odd For values in the disassembly where this equation evaluates true the string Range between 10h 40h or odd will be displayed Some notes about symbol file usage e Note that blank lines and lines that begin with which can be used for comments are ignored by the parser e Predicate terms are interpreted a
24. 4 6 10 return the Software and any physical licensing devices e g USB dongles to TMPC and destroy any associated license keys including any portions or copies thereof In the State of California return any physical licensing devices destroy the Software and any associated license keys including any portions or copies thereof and notify TMPC of such destruction in writing Upon termination TMPC may also enforce any rights provided by law The provisions of this Agreement that protect the proprietary rights of TMPC will continue in force after termination LIMITED WARRANTY TMPC warrants as the sole and exclusive warranty that the CD ROM on which the Software is furnished will be free of defects for a period of ninety 90 days In the event one or more of such disks is defective TMPC will replace the defective CD ROM free of charge upon receiving the defective CD ROM at the address set forth below No distributor dealer or any other entity or person is authorized to expand or alter this warranty or any other provisions of this Agreement Any representation other than this express limited warranty will not bind TMPC EXCEPT AS STATED ABOVE IN THIS AGREEMENT THE SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TMPC does not warrant that the functions contained in the Software will meet your
25. Config dialog to configure additional fields that should be displayed in the mnemonic field Page 20 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 3 3 3 3 1 Mnem Config Dialog This dialog allows the user to select fields to display in the mnemonic field as additional lines This is often useful for viewing critical fields in consolidated views where there is not enough horizontal screen space to view all relevant fields at once Figure 6 shows the mnemonic configuration dialog for XAUI Mnem Config Reset All Recs Clear All Fields Cancel Figure 6 Mnemonic Configuration Dialog The dialog has a RecType drop down box that contains all record types from all views that have one or more fields associated with them Selecting a record type from this control fills in a list box showing all the fields associated with the selected record type For each record type of interest simply select it in the RecType drop down and check fields in the list box that you want displayed with the record s mnemonic Click OK to confirm these new settings and close the dialog or Cancel to abort The first RecType entry is special All RecTypes Selecting this entry brings up all fields from all record types in the list box Checking fields for this entry automatically selects them for all records where the field is applicable You will see these fields checked and disabled while selecting fields for sp
26. The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 er E 10001 d ey F b HEDEOS 1 34 CommView User s Manual Page 1 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 Table of Contents DP AQVOFVIOW AAA EEES iv 1 1 DESCRIP isc csisccewadassdduadussecnedisswacdesuesadcuasiesdddeatwatsdesienssedatessdedecdddsstciaddasvaleal iv 1 2 Terms AAA iv 1 3 Contacting The Moving Pixel Company esssssessocsssesssecssocesocesoosesoesssecssocesosseo iv De INSTA ANO AAA estiss Stresna A SERKAN EE O KEEKEEKE SSS Tos 1 2 1 Installation Via CD ROM sessoesoessessoesocssessoesocssessoesocesessossocssessoesooesosssesoossosss 1 2 2 Installation Via Website e ooesoossesooesocssesooesocssessossocssessossocssessossoossessossoossesss 1 2 3 Enabling the VXI 11 Server sccccsssscsssssssssssssssssssssssssscsssessscssssssssssssssesecs 2 2 4 Licensing and License Keys sscccssscssssscesssscssssscssscssssscssssssssscssssscsssossses 2 A AA aaee saene Ei ae Eae aa eo rasas oae isa iisas 3 3 1 OAE mA L A OEE E AA N E E 3 3 22 DALE Acquisition iaa 3 3 2 1 Scope SEP spaediclicttl tie srcie tue ales aNes mala etna d ca ale meaae elated 3 522 Scope Configuration Options iy i 5sciscvesscssercsgassteesscaycees die desa dias ideas canas 4 3 2 3 Reak Ime Acquisition ninnisin s aago iias 5 3 2 4 Fil AAC CUM SHG Mace a A E RA dee 6 3 2 5 Data PrOCessin e il e e dead i 6
27. and acquired data to a system file Copy Selected Rows copies selected rows to the clipboard Control Connect To Scope brings up the Connect dialog to connect to a scope Disconnect From Scope disconnects from the current scope if connected Configure Scope Options brings up the scope configuration dialog to set the scope channel to communications lane mapping and the trigger acquisition timeout Acquire New Data From Scope acquires data from the current scope and disassembles it Any existing data is lost If the Retrigger Scope On Acquisition option is checked the scope is run before data is acquired Acquire New Data From File loads data from one or more saved scope wfm files Selecting this option brings up an open file dialog The number of files required depends on the standard and the channel to lane mapping defined in the scope configuration dialog XAUI for example requires four Page 29 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 files whose file names end in Chl wfm Ch2 wfm Ch3 wfm and Ch4 wfm In the open file dialog any of the four files may be selected Discard Current Data Discards any acquired data clearing the current display The user is asked for confirmation This option can be used before saving to create a configuratior only system file no data Retrigger Scope On Acquisition When checked this option causes Comm V
28. been set either via the Quick Search option or by manually filling in the predicate fields in the search tab you can use CTL N and CTL P to scroll to the next or previous search records A couple common shortcuts for interacting with the disassembly grid CTL C copies selected rows to the clipboard and DELETE hides selected columns from view Finally a couple miscellaneous but useful shortcuts from the main menu are ALT H to bring up the on line help this manual and ALT A to acquire new data from the scope 3 4 1 Quick Filtering and Searching Quick navigation to specific information in the disassembly listing using shortcuts is a key feature of CommView This section is meant to help you understand how to use the following shortcuts better Filter Shortcuts CTL F Quick Show ALT F Quick Show Any Lane CTL D Disable Filter And Scroll Search Shortcuts CTL S Quick Search ALT S Quick Search Any Lane CTL N Search Next CTL P Search Previous First a couple notes A key distinction between these keyboard shortcuts and their equivalent context menu options is that the shortcuts are all applicable regardless of whether the appropriate filter or search tab is currently selected That is the Quick Show keyboard shortcuts can be used when the Search tab is open and the Quick Search shortcuts can be used when the Filter tab is open Page 24 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 An
29. centage of all acquired records that are currently visible in the listing Hidden Cnt Readout displays the number of records and percentage of all acquired records that are currently hidden from view in the listing Total Cnt Readout displays the number of acquired records Search Term Grid allows the user to compose terms of the search equation See the description about the Filter Term grid in the previous section for more details Next Button scrolls the listing to the next record matching the search criteria Prev Button scrolls the listing to the previous record matching the search criteria Default Button requests confirmation from the user and clears the list box and filter term grid Apply Button Applies changes to the search term grid updating the disassembly listing and readouts Figure 5 shows a listing window for XAUI with search highlights enabled Basically search criteria are entered in to the search term grid identically to the filter term grid Asearch equation is built from terms defined and applied to each record in the listing when the Apply button is clicked If the Highlight Selected checkbox is checked records that satisfy the search equation are highlighted in the listing note that the search equation is only evaluated against unfiltered records The Next and Prev buttons can be used to scroll the listing to the next and previous qualifying records respectively Page 19 The Moving Pixel Company Co
30. cope Options MPhy Lane gt Soope Channel MPhy Lane 0 Scope Ch1 o Lane 2 S AN Trager Timeout Figure 1 Scope Configuration Dialog Scope Channel to Comm Lane Mapping The Scope Configuration dialog accessible via Configure Scope Options allows the user to map each scope channel to lanes in the communications standard Figure 1 shows the dialog for DigRF though the exact text labels in the dialog may change for different standards Also note the number of required scope channels is specific to the selected standard For example the XAUI standard requires four channels but the number of channels used for DigRF can vary between and 4 By default scope channel maps to comm lane 0 scope channel 2 maps to comm lane 1 etc Scope Trigger Timeout This option in the Scope Configuration dialog Configure Scope Options sets the maximum period of time to wait for the scope to trigger before aborting acquisition Options range from 1 second to Infinite Retrigger Scope On Acquisition This option in the Control menu requests that Comm View run the scope when a new data acquisition is requested Otherwise data will be retrieved from the scope that has already triggered or CommView will wait for the scope to trigger subject to the user timeout limit Abort Acquisition The option is enabled only when acquisition is in progress and the trigger has not occurred yet Selecting th
31. d option is checked then all records that have the same Datal value are highlighted in the gt Note for clear viewing the window has been made narrow occluding the Next and Prev search buttons in the Search tab Page 27 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 listing Note the Search tab has been made active here for you to see the effects of the operation though in practice the tab does need not be active to apply the shortcut function If you want to see records whose Data field is OxBC in any lane use the ALT S shortcut resulting in the listing shown in Figure 12 CommYiew digRF_demo cmy Listing1 File Edit Control Standard Window Help Curst Ops Curs2 488 800 ns Delta 486 800 ns Sample Time Mnemd Mnern Data0 Datat CHO Ctl Cod Dec symol SymDef SymDef Hex Hex Hex Hex Symi 75141 A gt AA 2 O 75151 A 75161 Payload Byte 65h _ CRCH s si o o los3 75171 a a o E coe ae eS 75181 a ea 75191 aossaairsoE imp wl e z e fe 75201 39 999 ns Payload Byte 00 pss oo a 6 063 75211 Payload Byte D syload Byte Lo D10 viremia 49 999 ns Payload Byte OSh Payload Byte tae tae tig ae tease Payload Byte Search Options lt Minimize gt Search Cnt Value Visible Cnt Hidden Crt c 90 01 Total Cnt Offline Moving Pixe Figure 12 Quick Search Any Lane Example Finally once the search equation has been defined the Next and Prev
32. different view levels with XAUI for example from unaligned lanes of low level bits to 8b10b decoded symbols to aligned packet data Fields within records may be made visible or not as desired and numeric fields may be displayed as binary decimal hexadecimal or even symbolically if provided with a symbolic translation file that maps numeric fields into strings in addition some fields may have a predefined default symbolic translation table Finally extensive searching and filtering options are provided to facilitate selective viewing for quick debugging and analysis of the data stream 1 2 Terms and Definitions The following terms and definitions are used in this manual TMPC The Moving Pixel Company 1 3 Contacting The Moving Pixel Company Phone 1 503 626 9663 US Pacific Time Zone Fax 1 503 626 9653 US Pacific Time Zone Address The Moving Pixel Company 4905 SW Griffith Drive Suite 106 Beaverton Oregon 97005 USA Email information Omovingpixel com Web site http www movingpixel com Documentation http www movingpixel com main pl CommView html Page iv The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 Page v The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 2 Installation The CommView application can be installed on a Windows computer running XP or Vista In particular you can install 1t on your Tektronix scope or a separate desktop lapto
33. e 8 bit data value decoded from the lane s associated 8b10b symbol Ctl this field is a single bit field indicating whether the 8b10b symbol is a control symbol Code this 10 bit field shows the received 8b10b code If the radix is set to Symbolic Default codes are displayed as Kx y or Dx y followed by a or to indicate which disparity variant it represents 4 1 4 Options No additional options specific only to the XAUI standard are provided in the Options tab of the tab control Page 32 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 4 2 DigRF Standard Selecting the DigRF standard decodes acquired data according to the MIPI DigRF version 4 protocol which uses MPhy as its physical communications layer Please see the relevant documentation from MIPI for detailed information about these standards However in short summary DigRF is a standard intended for point to point communications between a baseband handset IC BBIC and a radio transceiver RFIC While a full link includes both transmit and receive sub links the CommView implementation solely decodes a single sub link Within a sublink data traffic can be multiplexed across 1 4 lanes of MPhy traffic depending on the specific hardware configuration Communication frequencies are categorized as high speed or low speed For DigRF only certain high speed HS and low speed LS bit rates are used with HS bit rates rangin
34. e all Hdr1 fields are displayed use the ALT F shortcut Figure 10 shows the result of this operation which builds the filter equation to include records with the Hdr1 field in either lane 1 OR lane 2 Page 26 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 Once you have a condensed listing you often want to select a record of interest and then view its context in the unfiltered listing Essentially you want to disable the filter equation and scroll to a particular record This task is performed by the Disable Filter and Scroll command Simply right click on a field in the record of interest and type the CTL D shortcut CommYiew digRF_demo cmy Listing1 A File Edit Control Standard Window Help Curst Ops Curs2 488 800 ns Delta 438 800 ns viv 2 ai Sample Time MnemO Mnern Datad Datat CHO Ct Cod Bai Dec SymDet SymDef SymDet Hex Hex Hex Hex Symi 3 75141 pg eem S fe pe a Padoa ipe OH lenen es si o op Besonh A e e a a E E 49 999 ns Payload Byte Dih wn H T Rh 17 1 00 a al a EE Eo paps Default Sgach Cnt Aaby 0 Field Comp Value Visible Crt Soest i sl Hidden Crt 543796 rec fen 4 Total Ent 604153 tec Offline Moving Figure 11 Quick Search Example Using the Quick Search function is very similar to the Quick Show function Figure 11 shows the result of clicking in the Datal field and typing CTL S If the Highlight Selecte
35. ecific record types e g the Code field in Figure 6 is automatically checked and grayed based on settings for All Rec Types Clicking the Clear All Fields button clears all fields for the current record type Similarly click Set All Fields to set all fields for the current record type Finally click the Reset All Recs button to clear all fields for all records Page 21 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 Figure 7 shows a resulting XAUI listing with mnemonic fields enabled The Code field has been enabled for all record types and the Data field has been enabled for the Pkt Byte record type CommYiew xaui demo cmy Listing1 File Edit Con tanda indow Help Cursl 2 995000 us Curs2 3 520000 us Delta 525 000 ns Sample Time Mnemo Mnemi Mnem2 Dec Def SymDet af SymDef BEN 295 000 ns Align Align Align Code K25 3 Code K26 3 Code K28 3 yi i Syne Syne Syne Code K28 5 EN 345 000 ns Skip Skip Skip Code K28 0 Code K28 0 Code K28 0 Code K28 0 EN 370 000 ns Syre Syne Syne Syne 5 Code K25 5 Code K28 5 Code K28 5 yro 10 Syne BC y Code K25 5 Code K28 5 Ve K285 445 000 ns Skip Skip Skip Skip ic ic ic ic Code K26 0 Code K28 0 Code K28 0 Code K28 0 470 000 ns Syre Syne Syne Syne BC BC BC BC 2 Code K26 5 Code K28 5 Code K28 5 Code K28 5 EEN 495 000 ns Skip Skip kip Skip TE ic 10 ic
36. ecord i e displays delta time between records e Relative to Trigger sets the global time field reference to the trigger record e Relative to Cursorl sets the global time field reference to the cursor record e Relative to Cursor2 sets the global time field reference to the cursor2 record 3 3 2 Cursor Panel The cursor panel is a custom control with three narrow columns on the right side of the listing grid Each narrow column is similar to a vertical scroll bar each associated with either a cursor or the trigger for the purposes of this description the trigger can be thought of as a special immovable cursor Cursors represent a specific record position in the listing similar to a scroll bar where the top of the panel represents the start of the listing and the bottom of the panel represents the end of the listing The first column in the cursor panel represents the trigger and if enabled is drawn as a red square labeled with a T The trigger cursor is automatically enabled if supported by the current standard The second and third columns represent cursorl and cursor2 respectively and if enabled are drawn as a blue square labeled with a 1 or a blue square labeled with a 2 A check box above each cursor column can be used to enable or disable each cursor Disable cursors are drawn with a gray background Page 14 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 Like a scro
37. erefrom may be exported except in accordance with the laws of the U S or other applicable provisions This Agreement is governed by the laws of the State of Oregon except to the extent federal law governs copyrights and federally registered trademarks This Agreement is the entire agreement between us and supersedes any other understandings or agreements including but not limited to advertising of the Software If any provision of this Agreement is deemed invalid or unenforceable by any country or government agency having jurisdiction that particular provision will be deemed modified to the extent necessary to make the provision valid and enforceable and the remaining provisions will remain in full force and effect If any legal action is brought by you or TMPC regarding the Software or this Agreement the prevailing party shall be entitled to recover in addition to any other relief granted reasonable attorney fees and expenses of litigation Neither you nor TMPC will waive any rights under this Agreement unless such waiver is in writing For questions concerning the Software or this Agreement please contact TMPC at the address stated above Page 39
38. escribes Listing window features beginning with sections describing general purpose functionality and concluding with sections specific to each supported standard File Edit Curs 156 338536 uz Time SymErr SymDet 49 999ns o 21 sonf o 4sssgns o o E 0 a o 7 49 999 ns 49 999 ns Curs2 488 800 ns Bebug Help Mnemb SymDef E ef SOF SOF Payload Byte 00h Payload Byte O1h Payload Byte 02h Payload Byte 03h Payload Byte 04h 03 Payload Byte 05h Payload Byte 06h Delta 165 5493798 uz Datal CU0 Ct ex et ese ooo Wr cia Asyne rd ozo o fo o oso foso Payload Byte 07h CRC H CREL EOF 6 DS 0 D6 0 gt S D70 D55 3 ye D20 7 28 6 Hari 49 999 ns Payload Byte 00h Payload Byte 01h 49 999 ns Payload Byte 02h Payload Byte 03h 49 999 ns Payload Byte 04h Payload Byte 05h 49 999 ns Payload Byte 06h Payload Byte 07h 49 999 ns Payload Byte 08h Payload Byte 09h Payload Byte OAh Payload Byte OBh EOF 5 Hdr1 SOF o rescatan 00h Payload Be om oo o 0 0 o o Favload Bye 02h Payload Bye 03h 02 03 o o 020s Payload Byte D4h Payload Byte 05h Payload Byte 06h oO Options Minimize META Aligned Symbol ad Set All Clear All os os o o Payload Byte 07h oe oz o o fo se es o CRE L
39. essly granted to you This is a non exclusive license 2 Limitation on Using Copying and Modifying the Software Except to the extent expressly permitted by this Agreement or by the laws of the jurisdiction where you acquired the Software you may not modify the Software Nor may you sub license any of your rights under this Agreement 3 Decompiling Disassembling or Reverse Engineering You acknowledge that the Software contains trade secrets and other proprietary information of TMPC and its licensors Except to the extent expressly permitted by this Agreement or by the laws of the jurisdiction where you are located you may not decompile disassemble or otherwise reverse engineer the Software or engage in any other activities to obtain underlying information that is not visible to the user in connection with normal use of the Software In any event you will notify TMPC of any information derived from reverse engineering or such other activities and the results thereof will constitute the confidential information of TMPC that may be used only in connection with the Software TERMINATION The license granted to you is effective until terminated The license will terminate automatically without any notice from TMPC if you fail to comply with any term or condition of this Agreement You agree upon such termination to except in the State of California Page 37 The Moving Pixel Company CommView User s Manual Doc Rev 1 06
40. g from about 1 3 Gbps and LS bit rates of 52 104 LS communication occurs synchronously witha reference clock uses 8b10b encoding and is assumed in CommView to only use one lane HS communication also uses 8b10b encoding and while the HS communication frequency for each lane uses the same reference clock some skew is allowed between lanes Thus determining alignment is an important aspect of DigRF disassembly 4 2 1 Views When parsing DigRF data Comm View divides the bit stream into several segment types e Sleep occurs when all lanes are in a quiescent state DIF N for a sufficient period of time No differentiation is made between the MPhy Stall and Sleep states e LS Prepare occurs after Sleep when one or more lanes transition to a high voltage for a period of time to indicate a subsequent LS burst segment is to follow e HS Prepare occurs after Sleep when one or more lanes transition to a high voltage for a period of time to indicate a subsequent HS burst segment is to follow e LS Burst a single lane data transmission at less than 1 Gbps e HS Burst one or more lanes of data transmission at more than 1 Gbps e Unknown assigned when none of the above states can be ascertained These segment types form the basis for all the disassembly views starting from the lowest level on up Currently three views are supported by CommView when disassembling DigRF They are e Unaligned Bit displays LS and HS bits as well as the o
41. have variable bit rates and reported event types other than acquired bits and so the time stamps are not uniform Records may or may not be visible in the grid as the result of automatic filtering based on view selection or user filtering based on custom criteria entered and applied in the Filter tab controls Thus frequently the sample numbers of records displayed in the Listing window are not contiguous reflecting hidden records in between them 3 3 1 2 Views Depending on the selected standard Standard menu different disassembly views are defined selected via the view combo box on the Filter tab Views often correspond to different layers in the protocol stack e g physical link transport etc and define the set of record types displayed which in turn define the set of fields that are applicable When a view is selected the listing is updated to display records applicable to the new view When moving to higher level views the number of visible records generally decreases as multiple lower level records are consolidated or hidden These higher level records retain the sample number and time stamp of the first contributing lower level record For example a low level bit serial view of an acquisition will have records consisting of a single bit and the sample number of each record will increment by one A higher level view might show records associated with bytes from the acquired data stream Successive records in this view will have
42. he Open button If processing a set of wfm files you may select any one of the set 3 2 5 Data Processing Once either of the two acquisition commands have been selected data is acquired and processed The first step of processing is to determine how to sample each channel of the waveform to obtain bits The basic input parameters to this step are the sample rate of the scope obtained either directly from the scope or from the input file and the source bit rate set by the user Processing begins at the first qualified edge detected in the waveform not the trigger position and from there extracts bits at the given bit frequency The algorithm is adaptive in that subsequent edges do resynchronize samp ling phase so an imprecise bit rate setting is allowed for l Tn the case of XAUI use Save All Wfms To Files to obtain four files ie an edge not determined to be a glitch Page 6 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 Once bits are obtained for each channel they are parsed and combined into symbols and packets according to the current standard Please see the relevant section describing each standard for more details 3 3 Listing Window Functionality The Listing window is the heart of the CommView application disassembling acquired data based on the current standard and providing functions for viewing searching and filtering records at different protocol levels This section d
43. ies the current cell field and value into the new term The Comp field is set to e Fill Search From Current Cell contains a sub menu with options described below This option is only enabled when the search tab is active in the tab control O Quick Search defines a simple search equation that shows records that match the field and value criteria from the selected cell and applies it The behavior is equivalent to entering the search criteria manually clicking the Set All button to select all packet types and clicking the Show option button Quick Search Any Lane defines a search equation that shows records that match the field and value criteria from the selected cell in any lane The behavior is equivalent to entering the search criteria manually as an OR equation for each lane clicking the Set Al button to select all packet types and clicking the Show option button Replace Search Term copies the current cell field and value to the active row of the search grid The Comp field is set to Add OR Search Term adds a new OR term to the active row of the search grid and copies the current cell field and value into the new term The Comp field is set to Page 13 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 o Add AND Search Term adds a new AND term to the active row of the search grid and copies the current cell field and value
44. iew to run the scope first before acquiring new data Set Bit Rate Set Ref CIk Brings up a dialog to set the source data bit rate of reference clock frequency depending on the standard selected used to interpret acquired waveform data Standard XAUI when checked selects XAUI as the current standard DigRF when checked selects DigRF as the current standard Window New Listing brings up a new disassembly listing window If at least one disassembly window is already present a message box asking the user whether the application should copy settings from the current active listing If the user selects yes all settings from the current listing will be copied to the new listing including view mnemonic filter search cursor and option settings Close All Windows closes all listing windows Tile Horizontally tiles listing windows horizontally Tile Vertically tiles listing windows vertically Cascade cascades listing windows lt Disassembly Window List gt the name of each listing window is appended to the Window menu Clicking on a listing name makes the window active and brings it to the foreground Help brings up the on line help this manual Shortcut Help brings up the shortcut help window for documentation on all the shortcuts supported by CommView About CommView application information Page 30 The Moving Pixel Company CommView User s Manual Doc
45. into the new term The Comp field is set to 3 3 1 12 Radix Context Menu Summary The radix context menu is brought up by right clicking in the sub header row second row of the listing grid and is used to set the display format of the current column Most of the functions in the menu have been described in previous sections Here is a summary of all the functions in the radix context menu except for the context menu for the Time field Hexadecimal sets the radix to hexadecimal enabled for numeric fields Decimal sets the radix to decimal enabled for numeric fields Binary sets the radix to binary enabled for numeric fields Symbolic Default sets the radix to symbolic using the default translation internal to the application e Symbolic File sets the radix to symbolic using the translation defined by the symbolic file specified by the user using the lt New Symbolic File gt menu option e lt New Symbolic File gt brings up an open file dialog to select a symbol file to associate with the current column In addition the time field radix context menu has several more options to set the desired time field reference which determines how the time field is displayed One of these options is always checked e Relative to Start sets the global time field reference to the first acquired record e Relative to Previous sets the time field reference for each record to the previous displayed r
46. is option aborts the current acquisition in progress Page 4 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 3 2 3 Real Time Acquisition To acquire data from the scope in real time CommView must connect to the scope using TekVisa Before continuing make sure of the following 1 The scope has TekVisa installed and the VXI 11 server is running 2 The host computer 1f different from the scope has TekVisa installed in this case no VXI 11 server needs to be running on the host computer 3 To verify bring up the Instrument Manager on the host computer click on the Visa icon in the system tray in the bottom right of the taskbar and select Instrument Manager in the context menu and click the Update button If Visa is working properly the instrument should appear in the list Connect to Scope ScopelD TCPIP 192 168 0 107 INSTR Connect Figure 2 Scope Connection Dialog To connect to the scope in CommView select the Connect To Scope option in the Control menu A connection dialog see Figure 2 will appear with visible instruments in the drop down box provided Select the scope to connect to and click the Connect button if necessary click the Scan button to query TekVisa for new instruments If connection is successful the dialog will close and the scope name will appear in the center pane of the status bar when disconnected from a scope the pane will read as Off
47. line Note that on startup CommView will attempt to reconnect to the scope from the previous session To disable this functionality disconnect from the scope before exiting Disconnect From Scope option in the Control menu Next you may want to set up the scope configuration options described in the previous section Specifically make sure the scope channel to comm lane mappings are correct the trigger timeout is set as desired and whether you want Comm View to re trigger the scope every time you request a new acquisition Finally you may need to tell CommView the source bit rate or reference clock frequency to assume in decoding acquired signals from the scope If the standard you are using has a single default bit rate the bit rate parameter may already be set properly If not select the Set Bit Rate option to bring up a data entry dialog to set it On the other hand if the Page 5 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 standard you are using requires a reference clock frequenc y select the Set Ref CIk option to bring up a data entry dialog to set it Now you are ready to trigger the scope and acquire data Select Acquire New Data From Scope in the Control menu Progress messages will be displayed on the status line while the scope is triggered and data is acquired processed and displayed During this time most controls and menus are disabled with the exce
48. ll bar the cursor panel is meant to represent the entire vertical span of the listing windows Cursor positions within the panel symbolically indicate where each lies within the listing 1 e a cursor toward the top of the panel indicates a record position near the start of the listing and a cursor toward the bottom of the panel indicates a record position near the end of the listing The times associated with cursorl and cursor2 positions and the difference between them are displayed in readouts above the listing grid In addition to the cursor symbols a horizontal white region is drawn across the cursor panel This region represents the currently viewed region of the listing having a position and thickness corresponding to the current viewed region relative to the total listing The cursor panel supports the following operations for setting cursor positions and scrolling the listing e Left clicking and dragging a cursor square moves the cursor position While dragging the current cursor position Sample is displayed in a pop up box e If the Shift key is pressed and held while dragging the listing will scroll with the cursor position otherwise the listing will not scroll e If the Control key is pressed and held while dragging the cursor will scroll more slowly allowing for better control e Double clicking a cursor in the panel scrolls the listing window to the cursor position e Double clicking in the cursor panel not on a cursor
49. mbol Data Bytes o Hadri first DigRF packet header byte Hdr2 second DigRF packet header byte for type 2 packets CRC H high byte of packet CRC CRC L low byte of packet CRC Payload Byte valid data byte occurring SOF EOF delimiters o Data Byte data byte occurring outside of SOF EOF delimiters Segments o Sleep sleep and stall segments o HS Prepare prepare segments preceding an HS burst o LS Prepare prepare segments preceding an LS burst 0 0 0 0 4 2 3 Fields In addition to the common fields defined for all standards Sample Time and Mnem lt x gt the following fields are defined for the DigRF standard Per lane fields Data 8 bit data value decoded from the lane s associated 8b10b symbol Ctl single bit field indicating whether the 8b10b symbol is control 1 or data 0 Code this 10 bit field shows the received 8b10b code If the radix is set to Symbolic Default codes are displayed as Kx y or Dx y followed by a or to indicate which disparity variant the code represents Duration time field indicating the duration of the associated segment Applies to Sleep LS Prepare HS Prepare and Unknown segments Per record meta information fields SymErr bit mask having width equal to the number of MPhy lanes and indicating whether a disparity or an invalid 8b10b symbol error occurred in a lane the bit is set to 1 Bits in the mask are little endian where lane O
50. mmView User s Manual Doc Rev 1 06 4 6 10 CommYiew x File Edit Contro ndard indow Help Curs 2 995000 us Curs2 3520000 us Delta 525 000 ns Cam Sample Time MnemO y Mnem2 Mnem3 Data Datal 2 3 CHO Et Def SymDef SymDet SymDef SymDef a 370 000 ns Syne 000 ns Skip 1 420 000 ns Syne ial a BC BC 645 000 ns Pkt Byte OFh Pa Bye 11h Fa Byee Do d Kt Byte Fat Byte 10h Pt Byte 1Eh ap ic Fit Byte 21h Pkt Byte 22h 24 2s ws gt 3 3 2 5 5 3 1 1 o tm E AE 3 w ES E 3 Fkt Byte 25h Filter Id Highlight Default SearchCnt 1 Vis Hidd Total Crt offline Figure 5 Listing with search highlights 3 3 3 3 Options Tab Use the Options tab to set display disassembly and configuration options for CommView Some of these options are standard specific and are described more in the appropriate section describing the standard Common options are described here e Disable skipped lines highlight checkbox By default CommView displays thicker darker lines between records in the listing that have one or more filtered records between them When this option is checked these lines are removed e Append packet byte value to mnemonic when checked displays the hexadecimal value of the packet or payload byte as part of the mnemonic Font Size Spin Control adjusts the listing font size Config Mnem Button brings up the Mnem
51. mp CommView supports viewing timestamps relative to a global time reference selected by the user via the radix context menu associated with the time field Records occurring before the global time reference have a negative time field and records occurring afterwards have a positive time field Choices of reference include the first record in the trace Relative to Start the trigger record Relative to Trigger or one of the cursor record positions Relative to Cursor1 or Relative to Cursor2 In addition the option Relative to Previous sets the time field reference for each record to the previous record causing the time field to display delta time between successive displayed records 3 3 1 6 Defining and Using a Symbol File To associate a radix file to a numeric field select the lt New Symbolic File gt option in the radix context menu This brings up an open file dialog to browse for and select the new symbol file Once the symbol file has been selected the context menu will enable the Symbolic File option and it will be checked Symbol files are text files containing numeric to string mappings where each mapping consists of a boolean predicate equation and a string During disassembly the equation from each mapping is evaluated in order for each field value and the string from the first mapping whose equation evaluates true is displayed Predicate equations can consist of one or more terms
52. nd carne tii 24 3 5 MA OEN 29 SEONG OTS A RR 31 AD AAA 31 4 1 1 NEWS A O 31 4 1 2 Mnemonic Type Sesera a peace ass Erein aoa NaS A 31 4 1 3 O a eso ans tances a E E EE EN 32 4 1 4 COINS as A A O S 32 BZ DieRF Sada da iO arranca 33 4 2 1 Ma EL ost nero e dt ed 33 4 2 2 Mnemonic pe de o e e ee a dd 34 4 2 3 BTS Siete aetna ceive cous tesa lade stomsuus unladen Med Cada da staan ed RN 35 4 2 4 A e a a ea a a a a aa E aeria 36 Software License Agreement sssssssssssessseesseesseesseosssoessseesseessecssoosssoesssessseesseees 37 Page iii The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 1 Overview 1 1 Description CommView is a Windows software application that interprets and disassembles digital communications data streams acquired by a Tektronix oscilloscope For those familiar with Tektronix bus support packages that run on the TLA CommView provides similar functionality when used in conjunction with the scope When using CommView first a specific communications standard to be decoded is selected Then signal s acquired on the scope are imported into CommView and decoded into a time stream view of data occurring on the bus Information is displayed in list form as a series of time stamped records with fields within records containing data directly acquired from the scope or otherwise derived from the data CommView allows for flexible viewing of acquired data Bus activity may be displayed at
53. of frame and preamble sequence Preamble PCS packet header preamble data symbol must follow Start Pkt Start Pkt PCS Start Packet control symbol must occur in lane 0 End Of Pkt PCS End Packet control symbol Data Byte data byte with control bit not set not qualified by start of frame and preamble sequence Control Byte unknown control symbol Note the difference between the Pkt Byte and Data Byte mnemonics The Pkt Byte mnemonic is qualified by identification of the proper packet header sequence Start Pkt Preamble x6 Start Frame To allow for possible bit errors this constraint is relaxed to require identification of only 6 out of 8 symbols in the packet header 4 1 3 Fields In addition to the common fields defined for all standards Sample Time and Mnem lt x gt the following fields are defined for the XAUI standard SymErr this field is a 4 bit mask field indicating whether a disparity or an invalid 8b10b symbol error occurred in a lane the bit is set to 1 Bits in the mask are little endian where lane O is associated with bit O lane 1 is associated with bit 1 etc SeqErr this field is a single bit field indicating whether the aligned symbols across a single record appear legal and consistent with the XAUI standard For example most control symbols when present in lane 0 are expected to be present in all lanes If this is not true SeqErr will be set to I Data this field contains th
54. other difference between the shortcut and the menu option is that the shortcut applies to the current highlighted cell and the menu option applies to the cell the context menu is brought up in The purpose of the filter shortcuts CTL F and ALT F is to pare down the number of displayed records better see relevant information Often you simply want to see a list of records of a specific type or having a field with a certain value To invoke the shortcut simply right click on a cell that has the characteristic you wish to use as the criterion to filter on and press the CTL F or the ALT F combination CommView automatically fills in filter predicate information and restricts the visibility of records to view only qualifying records CommYiew digRF_demo cmy Listing1 File Edit Control Standard Window Help Cursi Ops Curs2 488 800 ns Delta 488 800 ns Sample Time Mnemil Mnem l Data Datal Clb E B SymDef SymDef SymDef Hex Hex Hex ii 6 999995 us E es ETE nn 1 999999 us SOF Het e er 1 l oe 73391 700000 us SOF nat HE 00 Ta SEEN 2599999 us SOF hn te ce a y 7170 asssssgus sor_ Hart ee for a 71311 1ossssgus sor Here eo as 1 ease 1 19999Gus SOF CO IET ze fa E 75151 199 999 ESTO CCA IET ca tt E 7721 1 099997 us ESTO CITO MEET ef pega a ea Filter amp Show Disable lv Sleep O a Comp Tea YI LS Prepare El a ml El i Offline Moving Pixel Company Figure 9 Quick Show
55. p computer connected to the same network as your scope The computer on which CommView is installed and run will be referred to as the host computer which may or may not be the scope Realtime operation requires communication with the scope and makes use of Tektronix TekVisa software which must be installed on both the host computer and scope Also CommView requires the Microsoft NET Framework 3 5 to be installed on the host computer Installation of each of these components is described below Note that CommView can operate in an offline mode that does not require connection to a scope In this mode the application can load saved CommView system files or read in saved scope data files Note that operating in offline mode does not require that TekVisa be installed 2 1 Installation Via CD ROM If you received an application CD ROM all the components you need should be on it 1 Run the Setup exe provided on the host computer which by default installs the application in the directory C Program Files TMPC CommView In addition if NET 3 5 or its precursors are not present they will be installed as well 2 Check if TekVisa 3 3 or greater is installed on the host computer e Click on Start gt Settings gt Control Panel e Click on Add or Remove Programs e Scroll to see if OpenChoice TekVISA is installed e Click on Click here for support information to see the version e Verify that it is version 3 3 or above 3 If
56. ption of the Abort Acquisition menu option in the Control menu Select this option while waiting for the scope to trigger if you want to abort acquisition 3 2 4 File Acquisition To save WFM files on the scope that can be read in and processed later by CommView on the scope select the Refs menu option and depending on how many channels you need for the current standard click on one of the Save buttons either Save Wfm To File or Save All Wfms To Files This will bring up a save dialog to enter a base filename If saving all waveforms at once the scope will save each acquired waveform to a file and append Ch lt x gt wfm to the filename where lt x gt is the channel 1 4 As with realtime acquisition you may need to tell CommView the source bit rate or reference clock frequency to use in decoding acquired signals from the scope If the standard you are using has a single default bit rate the bit rate parameter may already be set properly If not select the Set Bit Rate option to bring up a data entry dialog to set it On the other hand if the standard you are using requires a reference clock frequency select the Set Ref Clk option to bring up a data entry dialog to set it To process a wfm file or a set of wfm files select the Acquire Data From File option from the Control menu This will bring up an open file dialog for you to browse and select a wfm file to process Select the file and click t
57. re described in their own section under the Listing Window section 3 2 Data Acquisition Data is acquired for viewing in one of two ways either by real time acquisition from a Tek scope or through saved WFM file s from a scope When real time acquisition is selected through the Acquire New Data From Scope option in the Control menu the scope must first have been set up properly to acquire the digital waveform s 3 2 1 Scope Setup Currently CommView does not modify any of the scope settings during acquisition and assumes that the user has properly set the sampling frequency scale trigger etc For digital signal acquisition set the horizontal scale to include sufficient data of interest then set the resolution such that the sampling rate is at least 3x the source signal bit rate A greater ratio improves edge position detection and makes bit determination a little easier but is not required For best signal to noise gain the scale of each scope channel should be set so the acquired signal occupies at least half of the display Generally the waveforms of all relevant channels Page 3 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 should be centered vertically in the screen overlapping each other but this is not absolutely required 3 2 2 Scope Configuration Options CommView supports a few options specific to scope acquisition accessible via the Control menu described below Configure S
58. red but packed as 8b10b symbols Symbols are decoded into PCS mnemonics with accompanying fields Data Ctl and Code for each lane e Aligned Symbol displays aligned XAUI data This view requires locating suitably close Align symbols in each lane and time shifting each lane to match them up Lane 0 is used as the time and sample reference Symbols are decoded into PCS mnemonics with accompanying fields Data Ctl and Code for each lane e Packet Data within the aligned XAUI data the view displays only records that contain one or more XGMII packet bytes Note that if CommView is unable to identify a legal alignment position for all four lanes the Aligned Symbol and Packet Data views are empty 4 1 2 Mnemonic Types The following mnemonic types are defined for the XAUI standard e Bit 0 displayed for serial bits with a value of O e Bit 1 displayed for serial bits with a value of 1 Page 31 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 Sync PCS Sync control symbol Skip PCS Skip control symbol Align PCS Align control symbol Carrier Extend PCS Carrier Extend control symbol Error Propagation PCS Error Propagation control symbol Ordered Set PCS Ordered Set control symbol Start Frame PCS Start Frame data symbol must occur in lane 3 following Start Pkt and six Preamble symbols Pkt Byte XGMII packet byte qualified by start
59. rent Cell contains a sub menu with options described below This option is only enabled when the filter tab is active in the tab control O Quick Show defines a simple filter that shows records that match the field and value criteria from the selected cell and applies it The behavior is equivalent to entering the filter criteria manually clicking the Set All button to select all packet types and clicking the Show option button Quick Show Any Lane defines a filter that shows records that match the field and value criteria from the selected cell in any lane The behavior is equivalent to entering the filter criteria manually as an OR equation for each lane clicking the Set All button to select all packet types and clicking the Show option button Disable Filter and Scroll disables the currently applied filter and centers the current cell row in the display The behavior is equivalent to clicking the Disable option button and scrolling the grid to center the desired cell to the center of the display Replace Filter Term copies the current cell field and value to the active row of the filter grid The Comp field is set to Add OR Filter Term adds a new OR term to the active row of the filter grid and copies the current cell field and value into the new term The Comp field is set to Add AND Filter Term adds a new AND term to the active row of the filter grid and cop
60. requirements or that the operation of the Software will be uninterrupted or error free You assume full responsibility for the selection of the Software to achieve your intended results and for the installation use and results obtained from the Software You also assume the entire risk as it applies to the quality and performance of the Software Should the Software prove defective you and not TMPC or its distributors or dealers assume the entire cost of all necessary servicing repair or correction This warranty gives you specific legal rights and you may also have other rights that vary from country state to country state Some countries states do not allow the exclusion of implied warranties so the above exclusion may not apply to you TMPC disclaims all warranties of any kind of the Software was customized repackaged or altered in any way by any third party other than TMPC LIMITATION OF REMEDIES AND DAMAGES THE ONLY REMEDY FOR BREACH OF WARRANTY IS THE EXPRESS LIMITED WARRANTY SET FORTH ABOVE IN NO EVENT WILL TMPC OR ITS LICENSORS BE LIABLE FOR ANY PUNITIVE INDIRECT INCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES OR FOR ANY LOST PROFITS LOST SAVINGS LOST REVENUES OR LOST DATA ARISING FROM OR RELATING TO THE SOFTWARE OR THIS AGREEMENT EVEN IF TMPC OR ITS LICENSORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT WILL TMPCS LIABILITY OR DAMAGES TO YOU OR ANY OTHER PERSON EVER EXCEED THE AMOUNT PAID BY YOU TO USE
61. s a sum of products equation and so AND has higher precedence than OR Thus predicates that describe the equation a AND b OR c AND d is parsed a AND b OR c AND d e White space is required between the relational operator the value the AND OR and delimiters and the string e Mappings are evaluated in order so subsequent predicate equations do not need to exclude values that would have already satisfied prior mappings e If not mapping qualifies for a value a string with is displayed To avoid this a default mapping can be appended to the end of the symbol file with the catch all predicate gt 0 3 3 1 7 Common Fields While most fields are defined according to the selected standard a few important ones are common to all standards Sample The sample field represents a record s ordinal number in the listing starting at one and incrementing with each record It is displayed as an immovable row header left most column that cannot be deleted Please note that samples correspond to events of interest in the disassembly trace and may not necessarily have a fixed period between them Nor do they necessarily have a one to one correspondence to all acquired scope samples For example processing may aggregate multiple scope samples to one record sample number to represent a bit in a communication packet Time The time field represents a record s time stamp which is often bu
62. search button shortcuts CTL N and CTL P respectively are a convenient way to browse records forward and backward in the listing Since search definitions and functions operate independently from filtering you can constrain the listing to show only records of interest then you can apply search criteria to highlight and scroll to view them Page 28 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 3 5 Menus This section describes options available in the main menus File Edit Open System loads a saved system file cmv extension which contains all application configuration and acquired data Any existing data is lost Accordingly the user is notified and asked whether to load the new system without saving the current system first or he may cancel Save lt file gt saves the current configuration and acquired data to the last system file loaded If no system file has yet been loaded this menu option behaves like the Save lt file gt As menu option Save lt file gt As saves the current configuration to a designated system file Default System resets the current configuration and clears any acquired data lt most recently used system files gt loads the selected recent system file Clear Recent Files clears the most recently used file list in the file menu Exit exits CommView The user is asked whether he wants to save the current configuration
63. selecting the right edge of a column header and dragging it A column s width may be restored to its default using the column context menu option Restore Selected Column Width s or simply double clicking on the column header 3 3 1 9 4 Reordering Columns To change the display order of a visible column simply right click and drag the column header to a new position This menu is called the column context menu and also appears when right clicking in a grid cell While mostly similar to when brought up via a column header certain different menu options are enabled in each case Page 11 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 3 3 1 9 5 Adding Columns To add one or more columns to the current display i e make new fields visible right click on the column header to bring up the column context menu and select Add Column s This will bring up a dialog that lists fields that are currently not visible in the listing grid A drop down box is available to select field categories if any are defined for the current standard the category of All is always available Check boxes to the right allow mult link standards to restrict the field list to those relevant only to the checked links Click the Clear All or Set All buttons to clear or set the checks beside all listed fields respectively Click OK to close the dialog and add checked fields to the listing grid or Cancel
64. specific only to the DigRF standard are provided in the Options tab of the tab control Page 36 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 5 Software License Agreement PLEASE READ THIS DOCUMENT CAREFULLY BEFORE USING THE SOFTWARE BY USING THE SOFTWARE YOU ARE AGREEING TO BE BOUND BY THE TERMS OF THIS AGREEMENT IF YOU DO NOT AGREE TO THE TERMS OF THIS AGREEMENT DO NOT OPEN INSTALL OR USE THE SOFTWARE PROMPTLY RETURN WITHIN 15 DAYS THE SOFTWARE ALL RELATED DOCUMENTATION AND ACCOMPANYING ITEMS TO THE PLACE OF ACQUISITION FOR A FULL REFUND This is a legal agreement between you and The Moving Pixel Company TMPC This Agreement states the terms and conditions upon which TMPC offers to license the software sealed in the disk package together with all related documentation and accompanying items including but not limited to the executable programs drivers libraries and data files associated with such programs collectively the Software LICENSE 1 Grant of License The Software is licensed not sold to you for use only under the terms of this Agreement You own the disk or other media on which the Software is originally or subsequently recorded or fixed as permitted by this Agreement However as between you and TMPC and to the extent applicable its licensors TMPC retains all right title and interest to the Software and all copyrights to the Software and reserves all rights not expr
65. t not always for some standards directly related to the record sample field number based on the bit rate of data in the acquired data By default it is displayed with a radix of Symbolic Default which displays the time stamp as a string e g 1 300 ns but alternatively it may be displayed as a numeric value hex or decimal which converts time to an integer number of Page 10 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 picoseconds This allows the time field to be used in search and filter criteria for example in restricting record display or search to a limited time range Mnem lt n gt The mnemonic field is a symbolic only field that conveys record type Records with multiple independent lanes may have multiple mnemonic fields one for each lane The mnemonic string displayed in this field is specific to the selected standard All standards however support customizing how the mnemonic is displayed in particular whether the mnemonic should be displayed with multiple lines which include other fields of the record The user can configure this behavior using the Config Mnem button on the View tab of the tab control Using this feature is simply another way to view fields in a record using the mnemonic to display the field rather than using a separate column in the listing 3 3 1 8 Columns Columns in the listing grid have a one to one correspondence to fields in records Columns
66. ther segment types and thus spacing between records is not necessarily periodic Each lane is decoded independently and time interleaved in the disassembly listing samples among lanes that occur closely enough together are displayed in the same record Simple mnemonics identify the segment type and in bursts the bit value as well e Unaligned Symbol aggregates bits of burst segments from each lane into 8b10b symbols with each lane still independently decoded Marker symbols SOF EOF and EOT provide the necessary alignment reference which then allows CommView to backtrack in order to assign symbols back to near the start of the acquisition trace Page 33 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 Special control symbols are identified in the lane and each symbol has the accompanying fields Data Ctl and Code All segments are shown and all decoded symbols within burst segments are shown even those that occur before SOF which for HS bursts include possibly user defined Sync symbols e Aligned Symbol displays HS burst segments consisting of multiple lanes as aligned DigRF data CommView attempts to correlate SOF markers in each HS lane segment and declares the segment valid if this is successful in all active lanes Lane 0 is used as the alignment time base shifting HS bits from other lanes in time in a one to one correspondence Unknown segments are not displayed though
67. with the Shortcut Help window Figure 8 displayed via the Shortcut Help option in the Help Page 22 The Moving Pixel Company CommView User s Manual Doc Rev 1 06 4 6 10 menu This window always remains orrtop when open and can remain open when using the main window Shortcut Help Shortcut CTL T CTL G CTL 1 CTL 2 ALT 1 ALT 2 CTL F ALT F CTL D CTL S ALT S CTL N CTL P CTL Down CTL Up oy Down Up Right Left PageDown Page Up Home End ALTA ALT H CTL C Delete Figure 8 Description Goto Trigger Goto Sample Goto Cursor1 Goto Cursor2 Move Cursor1 To Current Row Move Cursor2 To Current Row Quick Show Quick Show Any Lane Disable Filter And Scroll Quick Search Quick Search Any Lane Search Next Search Previous Next Valid Value In Current Column Previous Yalid Value In Current Column Center Current Row Scroll Down One Line Scroll Up One Line Scroll Right One Column Scroll Left One Column Scroll Down One Page Scroll Up One Page Scroll To End Of Trace Scroll To Start Of Trace Acquire New Data From Scope Help Copy Selected Rows Delete Selected Columnfs Shortcut Help Window Many shortcuts relate to scrolling the disassembly window As expected the Up Down Left and Right arrow keys scroll one line or one column up down left or right respectively the PageUp and PageDown keys scroll up and down one page and the Home and End keys scroll to

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