CAN BUS Analyzer User's Guide
Contents
1. TxerRcnT 2 mei meoo neni rxeoos mea xeos neni nema nezna 0 rxeoos mis xeos eos mie meoo mee _ mai Filters RXFOSIDH RXFISIDH RXF2SIDH RxF3sIDH RXFASIDH RXFSSIDH Read RxFosipL msio Rxrssie rxrasipL messi RXFOEIDH RXFIEIDH RXFZEIDH RXF3EIDH rxraeion RXFSEIDH RXFOEIDL RxF2EIDL RxF3EIDL RxL RXFSEIDL The Register View window allows the user to further examine the ECAN module ters For example a user could check which TX buffer is still pending a transmission After reading the registers the user will be able to tell which TX buffer is pending by decoding the TXCON registers for each buffer To read registers click on the Read button The CAN BUS Analyzer will populate the window with all of the registers with the data from the ECAN module Steps to Write Registers 1 Edit a text field with the desired register value when a field has been edited it will highlight yellow 2 Click on the Write button The CAN BUS Analyzer will then write the modified values to the ECAN module in the PIC18F2680 All fields that were written in the PIC18F2680 will turn grey 3 Perform a Read to get the latest values of all reg2. 2009 Microchip Technology Inc MICROCHIP CAN BUS Analyzer User s Guide Note the following details of the code protection feature on Microchip devices Microchip products meet the specification contained in their particular Microchip Data Sheet Microchip believes that its family of products is one of the most secure families of its kind on the market today when used in the intended manner and under normal conditions There are dishonest and possibly illegal methods used to breach the code protection feature All of these methods to our knowledge require using the Microchip products in a manner outside the operating specifications contained in Microchip s Data Sheets Most likely the person doing so is engaged in theft of intellectual property Microchip is willing to work with the customer who is concerned about the integrity of their code Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code Code protection does not mean that we are guaranteeing the product as unbreakable Code protection is constantly evolving We at Microchip are committed to continuously improving the code protection features of our products Attempts to break Microchip s code protection feature may be a violation of the Digital Millennium Copyright Act If such acts allow unauthorized access to your software or other copyrighted work you may have a right to sue for relief under tha
3. File view Tools Setup Help Tool Disconnected CAN BUS Speed Error Status Trace Active Trace Filter Inactive Logging Inactive Viewing in Decimal 3 1 GETTING STARTED WITH A QUICK SETUP The following are setup steps to quickly start transmitting and receiving on the CAN BUS For more details refer to the individual sections for the different PC GUI features 1 Connect the CAN BUS Analyzer to the PC with the mini USB cable Open the CAN BUS Analyzer PC GUI Open the Hardware Setup and select the CAN BUS bitrate on the CAN BUS Connect the CAN BUS Analyzer to the CAN BUS Open the Trace window Open the Transmit Window DO O RO V 2009 Microchip Technology Inc DS51848A page 15 CAN Bus Analyzer User s Guide 3 2 TRACE FEATURE There are two types of Trace windows Fixed and Rolling To activate either Trace window select the option from the main Tools menu FIGURE 3 2 FIXED TRACE WINDOW Fined Trace 000 x DLC DATAO DATA 1 D TA Z DATA 4 DATAS DATAG DATA TIME STAMP TIME DELTA FIGURE 3 3 ROLLING TRACE WINDOW DLC DATAO DATA A DATA2 DATA3 DATA DATAS DATAG DATA TIME STAMP TIME DELTA The Trace window displays the CAN BUS traffic in a readable form This window will list the ID Extended or Standard DLC DATA Bytes the Time stamp and the time dif ference from the last CAN BUS message on the BUS The Rolling Trace window
4. IAO here r 1 Doc mentLayo t nissen s ne eee ne err 1 Conventions Used in this Guide 2 Warranty Registration ieee Seaton eae 3 Recommended The Microchip Web Site 4 Development Systems Customer Change Notification Service 4 C stomer SUPPONE ii ded eae a a 5 Document Revision History siata nn o 5 Chapter 1 Introduction Te S 7 1 2 Can BUS Analyzer Kit Contents 7 1 3 Overview Of The CAN BUS Analyzer n 7 1 4 CAN BUS Analyzer Hardware Features 8 1 5 CAN BUS Analyzer Software wima 10 Chapter 2 Installation 2 1 AMTCODUGTION SSSR a NU 11 2 2 Software AT A AS nage AAA AS AT AS 11 2 3 Hardware Installati n 3 8 miska k ent sets 12 Chapter 3 Using the PC GUI 3 1 Getting Started With a Quick Setup 15 3 2 ace fe ise nl de ee ri eee nie 16 3 3 Transmit Feature dns lo ui Ne 17 3 4 Group Transmit Feature iii 18 3 5 Register View Feature 19 3 6 Trace Filter Setup Feature inter 20 3 7 Log File Setup Featur
5. gt A key on the keyboard Press lt Enter gt lt F1 gt Courier New font Plain Courier New Sample source code define START Filenames autoexec bat File paths 18 Keywords _asm _endasm static Command line options Bit values 0 1 Constants OxFF A Italic Courier New A variable argument file o where filecan be any valid filename Square brackets Optional arguments mcc18 options file options Curly brackets and pipe Choice of mutually exclusive errorlevel 011 character arguments an OR selection Ellipses Replaces repeated text var_name var name Represents code supplied by void main void user DS51848A page 2 2009 Microchip Technology Inc Preface WARRANTY REGISTRATION Please complete the enclosed Warranty Registration Card and mail it promptly Sending in the Warranty Registration Card entitles users to receive new product updates Interim software releases are available at the Microchip web site RECOMMENDED READING This user s guide describes how to use the CAN Bus Analyzer on a CAN network The following Microchip documents are available on www microchip com and are recom mended as supplemental reference resources to understand CAN Controller Area Network more thoroughly AN713 Controller Area Network CAN Basics This application note describes the basics and key features of the CAN protocol AN228 A CAN Physical Layer Discussion AN75
6. TE e iy OLNV OLNI OBJ EZY Ad VETOW gt a En zn i OXINYD T 4 SMBYLYNI 27 GXENVO za zy ML 074 9031 89 SL MOJACAM eding Ji a 4 DOA 9SLZdOZ90HSN sa anyo 9 Ts P smes snq b Q 9dL oO 29 L FDN352AP ot o dv sena4g 4 lu__ZHINOL AX T SDA TR BARRENS 9958 PICkit2 ih FN sng gt A ao x ah dy T1SOLZdNN D sng elefetels PXL NVI 03119A dveseNdA gu At zd a a YA BIA SOA a ALY ery Sau huozy 19 TUW asn LE 0662181914 T i 0 ANOZONIGAYSSIPNVIGVHD 9 9 7 6 1 2 edL t ine nyevu 6 6 dA O SOY OAS DON TE ano aS nada 2t asna ya onviows O 30n 2499 S0
7. button Repeat this process until all of the CAN IDs for the filter are entered 3 Browse to a folder to which you want to save your log file Click on the Enable Logging checkbox to enable writing 5 Confirm on the Trace window that the status of the trace filter changes from Logging Inactive to Logging Active highlighted green 2009 Microchip Technology Inc DS51848A page 21 CAN Bus Analyzer User s Guide 3 8 HARDWARE SETUP FEATURE To activate the Hardware Setup window select HARDWARE SETUP from the main Tools menu FIGURE 3 9 HARDWARE SETUP WINDOW SSR Tied Selection BUS ANALYZER 1 0 1 0 5 1034 Select Bitrate Control 100 kbps Set Bus Termination Status OFF Turn ON GUI Message Status OFF Turn ON Hardware LED Test Start The HARDWARE SETUP window allows the user setup the CAN BUS Analyzer for communication on the CAN BUS This feature also gives the user the ability to quickly test the hardware on the CAN BUS Analyzer Setup Tool to communicate on the CAN BUS Lx 1 Select the CAN bitrate from the drop down combo box 2 Click the Set button Confirm bitrate has changed by viewing the bitrate setting on the bottom of the main CAN BUS Analyzer window 3 Ifthe CAN BUS needs the termination resistor active then turn it ON by clicking the Turn On button for the Bus Termination Test the CAN BUS
8. notification service helps keep customers current on Microchip products Subscribers will receive e mail notification whenever there are changes updates revisions or errata related to a specified product family or development tool of interest To register access the Microchip web site at www microchip com click on Customer Change Notification and follow the registration instructions The Development Systems product group categories are Compilers The latest information on Microchip C compilers and other language tools These include the MPLAB C18 and MPLAB C30 C compilers MPASM and MPLAB ASM30 assemblers MPLINK and MPLAB LINK30 object linkers and MPLIB and MPLAB LIB30 object librarians Emulators The latest information on Microchip in circuit emulators This includes the MPLAB ICE 2000 and MPLAB ICE 4000 In Circuit Debuggers The latest information on the Microchip in circuit debugger MPLAB ICD 2 MPLAB IDE The latest information on Microchip MPLAB IDE the Windows Integrated Development Environment for development systems tools This list is focused on the MPLAB IDE MPLAB SIM simulator MPLAB IDE Project Manager and general editing and debugging features Programmers The latest information on Microchip programmers These include the MPLAB PM3 and PRO MATE II device programmers and the PICSTART Plus and PICkit 1 development programmers DS51848A page 4 2009 Microchip Technology Inc Prefac
9. will show the CAN messages sequentially as they appear on the CAN BUS The time delta between messages will be based on the last received message regardless of CAN ID The Fixed Trace window will show the CAN messages in a fixed position on the trace window The message will still be updated but the time delta between messages will be based on the previous message with same CAN ID The Trace window can also be configured with filters to show only certain IDs This can be configured in the Trace Filter Setup refer to Section 3 6 Trace Filter Setup Fea ture DS51848A page 16 2009 Microchip Technology Inc Using the PC GUI 3 3 TRANSMIT FEATURE To activate the Transmit window select TRANSMIT from the main Tools menu FIGURE 3 4 TRANSMIT WINDOW DLC DATAO DATA 1 DATA 2 DATA 4 DATAS DATAG DATA 7 PERIOD REPEAT TRANSMIT The Transmit window allows the user to interact with other nodes on the CAN BUS by transmitting messages The user is able to enter any ID Extended or Standard DLC or DATA Bytes combination for single message transmittal The transmit window also allows the user to transmit a maximum of nine separate and unique messages either periodically or periodically with a limited repeat mode When using the limited repeat mode the message will be sent out at the periodic rate for a number of repeat t
10. 1848A page 23 CAN Bus Analyzer User s Guide NOTES DS51848A page 24 2009 Microchip Technology Inc MICROCHIP CAN BUS ANALYZER USER S GUIDE Appendix A Error Messages In this section the various pop up errors that are found in the GUI will be discussed in detail as to why they may occur and the possible solutions for correcting the errors Note To turn off all internal error reporting in the GUI please refer to Section 3 8 Hardware Setup Feature TABLE A 1 ERROR MESSAGES Error Possible Solution ERROR 1 00 Trouble reading the USB firm ware version Make sure the tool is plugged into the PC and is pro grammed with the proper HEX file ERROR 2 00 Trouble reading the CAN firm ware version Make sure the tool is plugged into the PC and is pro grammed with the proper HEX file Error 2 10 All CAN Transmit buffers are full All CAN TX Buffers are full so it is possible that there is only one node on the CAN BUS Make sure the CAN BUS Analyzer is connected to the CAN BUS and that there is at least another active functioning CAN node on the bus ERROR 2 15 Internal Bitrate Setting Error Make sure the firmware versions match the PC GUI ERROR 2 20 CAN LED Error Make sure the firmware versions match the PC GUI Error 2 25 Too many SPI messages for CAN Part Make sure the CAN BUS Analyzer is connected to the CAN BUS ERROR 3 00 CAN or USB Firmwa
11. 1848A page 28 2009 Microchip Technology Inc
12. 4 Understanding Microchip s CAN Module Bit Timing These application notes discuss the MCP2551 CAN transceiver and how it fits within the ISO 11898 specification ISO 11898 specifies the physical layer to ensure compat ibility between CAN transceivers CAN Design Center Visit the CAN design center on Microchip s web site www microchip com CAN for information on the latest product information and new application notes 2009 Microchip Technology Inc DS51848A page 3 CAN Bus Analyzer User s Guide THE MICROCHIP WEB SITE Microchip provides online support via our web site at www microchip com This web site is used as a means to make files and information easily available to customers Accessible by using your favorite Internet browser the web site contains the following information Product Support Data sheets and errata application notes and sample programs design resources user s guides and hardware support documents latest software releases and archived software General Technical Support Frequently Asked Questions FAQs technical support requests online discussion groups Microchip consultant program member listing Business of Microchip Product selector and ordering guides latest Microchip press releases listing of seminars and events listings of Microchip sales offices distributors and factory representatives DEVELOPMENT SYSTEMS CUSTOMER CHANGE NOTIFICATION SERVICE Microchip s customer
13. 455 Boston Westborough MA Tel 774 760 0087 Fax 774 760 0088 Chicago Itasca IL Tel 630 285 0071 Fax 630 285 0075 Cleveland Independence OH Tel 216 447 0464 Fax 216 447 0643 Dallas Addison TX Tel 972 818 7423 Fax 972 818 2924 Detroit Farmington Hills MI Tel 248 538 2250 Fax 248 538 2260 Kokomo Kokomo IN Tel 765 864 8360 Fax 765 864 8387 Los Angeles Mission Viejo CA Tel 949 462 9523 Fax 949 462 9608 Santa Clara Santa Clara CA Tel 408 961 6444 Fax 408 961 6445 Toronto Mississauga Ontario Canada Tel 905 673 0699 Fax 905 673 6509 ASIA PACIFIC Asia Pacific Office Suites 3707 14 37th Floor Tower 6 The Gateway Harbour City Kowloon Hong Kong Tel 852 2401 1200 Fax 852 2401 3431 Australia Sydney Tel 61 2 9868 6733 Fax 61 2 9868 6755 China Beijing Tel 86 10 8528 2100 Fax 86 10 8528 2104 China Chengdu Tel 86 28 8665 5511 Fax 86 28 8665 7889 China Hong Kong SAR Tel 852 2401 1200 Fax 852 2401 3431 China Nanjing Tel 86 25 8473 2460 Fax 86 25 8473 2470 China Qingdao Tel 86 532 8502 7355 Fax 86 532 8502 7205 China Shanghai Tel 86 21 5407 5533 Fax 86 21 5407 5066 China Shenyang Tel 86 24 2334 2829 Fax 86 24 2334 2393 China Shenzhen Tel 86 755 8203 2660 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xiamen Tel 86 592 2388138 Fax 86 592 2388130 China Xian Tel 86 29 8833 72
14. 52 Fax 86 29 8833 7256 China Zhuhai Tel 86 756 3210040 Fax 86 756 3210049 ASIA PACIFIC India Bangalore Tel 91 80 3090 4444 Fax 91 80 3090 4080 India New Delhi Tel 91 11 4160 8631 Fax 91 11 4160 8632 India Pune Tel 91 20 2566 1512 Fax 91 20 2566 1513 Japan Yokohama Tel 81 45 471 6166 Fax 81 45 471 6122 Korea Daegu Tel 82 53 744 4301 Fax 82 53 744 4302 Korea Seoul Tel 82 2 554 7200 Fax 82 2 558 5932 or 82 2 558 5934 Malaysia Kuala Lumpur Tel 60 3 6201 9857 Fax 60 3 6201 9859 Malaysia Penang Tel 60 4 227 8870 Fax 60 4 227 4068 Philippines Manila Tel 63 2 634 9065 Fax 63 2 634 9069 Singapore Tel 65 6334 8870 Fax 65 6334 8850 Taiwan Hsin Chu Tel 886 3 6578 300 Fax 886 3 6578 370 Taiwan Kaohsiung Tel 886 7 536 4818 Fax 886 7 536 4803 Taiwan Taipei Tel 886 2 2500 6610 Fax 886 2 2508 0102 Thailand Bangkok Tel 66 2 694 1351 Fax 66 2 694 1350 EUROPE Austria Wels Tel 43 7242 2244 39 Fax 43 7242 2244 393 Denmark Copenhagen Tel 45 4450 2828 Fax 45 4485 2829 France Paris Tel 33 1 69 53 63 20 Fax 33 1 69 30 90 79 Germany Munich Tel 49 89 627 144 0 Fax 49 89 627 144 44 Italy Milan Tel 39 0331 742611 Fax 39 0331 466781 Netherlands Drunen Tel 31 416 690399 Fax 31 416 690340 Spain Madrid Tel 34 91 708 08 90 Fax 34 91 708 08 91 UK Wokingham Tel 44 118 921 5869 Fax 44 118 921 5820 03 26 09 DS5
15. LLULD8 LE S DID LI OSOLLI0O MOL sg SMS8 LYNE tL yz 9VYlLNOMTOZOSO oazis F du WOd Lissa 2 oSA LINY paH 8 0 cu OdNZADDIBNY EHY IA 10SMOSIOLNV LINI L8M LEE esuddnanons vasnNGSIOL LNVIOLNIGEN pejejndod jou du puadsns ya Je gan ween anyo TAN ST L0O BUSY HPE csnan OL GAT Molle ols a Asng asn DS51848A page 9 2009 Microchip Technology Inc CAN Bus Analyzer User s Guide 1 5 CAN BUS ANALYZER SOFTWARE The CAN BUS Analyzer comes with two firmware hex files and PC software which pro vides the user with a graphical interface to configure the tool and analyze a CAN net work It has the following software tool features 1 2 3 Trace Monitor the CAN bus traffic Transmit Transmit single shot periodic or periodic messages with a limited repeat onto the CAN bus Group Transmit Transmit a list of CAN messages in order onto the CAN bus Register View Read or write the PIC18F2680 ECAN registers directly from the CAN BUS Analyzer Trace Filter Setup Configure which CAN messages from the CAN bus traffic are visible on the Trace Window Log File Setup Save CAN b
16. analyzer hardware 1 Ensure that the CAN BUS analyzer is connected You can confirm this by view ing the tool connection status on the status strip on the bottom of the main CAN BUS Analyzer window 2 confirm that the LEDs and the communication is working between the USB PIC MCU and the CAN PIC MCU click on the hardware LED test Start button Note that the software controlled LEDs will walk through a sequence of turning OFF and ON 8 Turn OFF or ON all internal PC GUI error messages by clicking on the button in the Internal Message Control DS51848A page 22 2009 Microchip Technology Inc Using the PC GUI 3 9 SAVING AND RETRIEVING THE TOOL CONFIGURATIONS 3 9 1 Saving Tool Configurations The CAN BUS Analyzer tool allows the user to save various configurations setup by the user in a particular session The GUI will save the tool setup the message trans missions and the screen positions and sizes of the various windows of the tool By choosing Save Configuration under the File menu the file is saved in a default Temp folder under the default name config ini By choosing Save As under the file menu the user can define the path and name for the configuration file 3 9 2 Retrieving Tool Configurations Under the File menu select Open Configuration and then select the desired ini file to retrieve the configuration saved by the user 2009 Microchip Technology Inc DS5
17. andard functionality expected in an industry tool such as trace transmit trace filter and log file capability and it also integrates some unique features such as ECAN register view and group CAN message transmit All of these features make it a very versatile tool allowing fast and simple debugging in any high speed CAN network The chapter contains the following information CAN BUS Analyzer Kit Contents e Overview of CAN BUS Analyzer CAN BUS Analyzer Hardware Features CAN BUS Analyzer Software 1 2 CAN BUS ANALYZER KIT CONTENTS 1 CAN BUS Analyzer Hardware 2 CAN BUS Analyzer Software The CAN BUS Analyzer software CD includes three components Firmware for the PIC18F2550 Hex File Firmware for the PIC18F2680 Hex File The CAN BUS Analyzer PC GUI 3 USB mini cable to connect the CAN BUS Analyzer to the PC 1 3 OVERVIEW OF THE CAN BUS ANALYZER The CAN BUS Analyzer provides similar features available in a high end CAN network analyzer tool at a fraction of the cost The CAN BUS Analyzer tool can be used to mon itor and debug a CAN network with an easy to use graphical user interface The tool allows the user to view and log received and transmitted messages from the CAN BUS The user is also able to transmit single or multiple CAN messages onto a CAN BUS which is useful during development or testing of a CAN network Using this CAN BUS Analyzer tool has many advantages over the traditional debug ging meth
18. e CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels Distributor or Representative Local Sales Office Field Application Engineer FAE Technical Support Customers should contact their distributor representative or field application engineer FAE for support Local sales offices are also available to help customers A listing of sales offices and locations is included in the back of this document Technical support is available through the web site at http support microchip com DOCUMENT REVISION HISTORY Revision A July 2009 Initial Release of this Document S aa EE 2009 Microchip Technology Inc DS51848A page 5 CAN Bus Analyzer User s Guide NOTES DS51848A page 6 2009 Microchip Technology Inc CAN BUS ANALYZER MICROCHIP USER S GUIDE Chapter 1 Introduction 1 1 INTRODUCTION The CAN BUS Analyzer Tool is intended to be a simple to use low cost CAN Bus mon itor which can be used to develop and debug a high speed CAN network The tool fea tures a broad range of functions which allow it to be used across various market segments including automotive marine industrial and medical The CAN Analyzer tool supports CAN 2 0b and ISO 11898 2 high speed CAN with transmission rates of up to 1 Mbit s The tool can be connected to the CAN network using the DB9 connector or through a screw terminal interface The CAN BUS Analyzer has the st
19. e sun 21 3 8 Hardware Setup Feature 22 3 9 Saving and Retrieving the Tool Configurations 23 Appendix A Error Messages Worldwide Sales and Service sis 28 2009 Microchip Technology Inc DS51848A page iii CAN Bus Analyzer User s Guide NOTES DS51848A page iv 2009 Microchip Technology Inc CAN BUS ANALYZER MICROCHIP USER S GUIDE Preface NOTICE TO CUSTOMERS All documentation becomes dated and this manual is no exception Microchip tools and documentation are constantly evolving to meet customer needs so some actual dialogs and or tool descriptions may differ from those in this document Please refer to our web site www microchip com to obtain the latest documentation available Documents are identified with a DS number This number is located on the bottom of each page in front of the page number The numbering convention for the DS number is DSXXXXXA where XXXXX is the document number and A is the revision level of the document For the most up to date information on development tools see the MPLAB IDE on line help Select the Help menu and then Topics to open a list of available on line help files INTRODUCTION This chapter contains general information that will be useful to know before using the Chapter Name Items discussed in this chapter include Doc
20. for the Digital Age Application Maestro CodeGuard dsPICDEM dsPICDEM net dsPICworks dsSPEAK ECAN ECONOMONITOR FanSense HI TIDE In Circuit Serial Programming ICSP ICEPIC Mindi MiWi MPASM MPLAB Certified logo MPLIB MPLINK mTouch Omniscient Code Generation PICC PICC 18 PICkit PICDEM PICDEM net PICtail PIC logo REAL ICE Select Mode Total Endurance TSHARC WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U S A and other countries SQTP is a service mark of Microchip Technology Incorporated in the U S A All other trademarks mentioned herein are property of their respective companies 2009 Microchip Technology Incorporated Printed in the U S A All Rights Reserved gt Printed on recycled paper Microchip received ISO TS 16949 2002 certification for its worldwide headquarters design and wafer fabrication facilities in Chandler and Tempe Arizona Gresham Oregon and design centers in California and India The Company s quality system processes and procedures are for its PIC MCUs and dsPIC DSCs KEELOG code hopping devices Serial EEPROMs microperipherals nonvolatile memory and analog products In addition Microchip s quality system for the design and manufacture of development systems is ISO 9001 2000 certified DS51848A page ii 2009 Microchip Technology Inc CAN BUS ANALYZER USER S MICROCHIP GUIDE Table of Contents sa 1
21. h speed transceiver CAN BUS Error Shows the Error Active Error Passive Bus Off state of the CAN BUS Analyzer Direct access to the CAN H and CAN L pin through a screw terminal Allows the user access to the CAN bus for connecting an oscilloscope without having to modify the CAN BUS wire harness Direct access to the CAN TX and CAN RX pins through a screw terminal Allows the user access to the Digital side of the CAN BUS transceiver DS51848A page 8 2009 Microchip Technology Inc Introduction CAN BUS ANALYZER SCHEMATIC FIGURE 1 2 LO ano k SELVEXENSSd o PA tll NI 110 cd sa AO S L26ZW1 LY 54 4O D 0 y NOJZNEdM 6031 9334 ng 8931 915 UO SNEJS 1966111 aly aezeexww 047 OEH 4 MOANEdM SHA 089218L91d D 1031 LOXY ZON AS naa y M2X1904 Z Z MOLY 045693 Gyauvenv eve VISIGS KOY PINZNV CVY TI TOS IMOS EON ENVILVE EE NY ONV ova Z H K H IMSELL OSOLL OON 777 202101 21101 r t zan er 984 9Vy LNOMIO ZOSO Hyp lt wou 1 LIAOI rz r ati S Old 6310 F Sd19 001 924 anpi L al za LSSZdOIN BS Ha Ao ay 434 XANVO ESU T XILNVO ZAI LYHINIMTO LOSO 5 a Z NV 155 ddzz oro S qd
22. he PIC MCUs When programming the PIC18F2680 the user may power the CAN BUS Analyzer by external power supply or by the mini USB cable When programming the PIC18F550 the user needs to power the CAN BUS Analyzer by external power supply Additionally when programming the HEX files into PIC MCUs it is recommended to check the firmware version from the GUI This can be done by clicking on the Help gt About menu option 2009 Microchip Technology Inc DS51848A page 11 CAN Bus Analyzer User s Guide HARDWARE INSTALLATION 2 3 1 System Requirements Windows XP NET framework version 3 5 USB Serial Port 2 3 2 Power Requirements Power Supply 9 to 24 Volt The CAN BUS Analyzer tool can also be powered using the USB port 2 3 3 Cable Requirements Mini USB cable For communicating with the PC Software The CAN Analyzer tool can be connected to a CAN network using the following Via DB9 connector Via screw in terminals 2 3 4 Connecting the CAN BUS Analyzer to the PC and CAN BUS 1 Connect the CAN Analyzer via the USB connector to the PC You will be prompted to install the USB drivers for the tool The drivers can be found in this location C Program Files Microchip Technology Inc CANAnalyzer_verXYZ 2 Connect the tool to the CAN network using the DB9 connector or the screw in terminals Please refer to Figure 2 1 and Figure 2 2 for the DB9 connector and the screw terminals for connecting the network
23. imes 3 3 1 Steps to Transmit a Single Shot Message 1 Populate the CAN message fields which include the ID DLC and DATA 2 Populate the Periodic and Repeat fields with 0 3 Click on the Send button for that row 3 3 2 Steps to Transmit a Periodic Message 1 Populate the CAN message fields which include the ID DLC and DATA 2 Populate the Periodic field 50 ms to 5000 ms 3 Populate the Repeat field with O which translates to repeat forever 4 Click on the Send button for that row 3 3 3 Steps to Transmit a Periodic Message with Limited Repeats 1 Populate the CAN message fields which include the ID DLC and DATA 2 Populate the Periodic field 50 ms to 5000 ms 3 Populate the Repeat field with a value from 1 to 10 4 Click on the Send button for that row 2009 Microchip Technology Inc DS51848A page 17 CAN Bus Analyzer User s Guide 3 4 GROUP TRANSMIT FEATURE To activate the Group Transmit window select GROUP TRANSMIT from the main Tools menu FIGURE 3 5 GROUP TRANSMIT WINDOW Group Transmit ID DLC DATA 0 DATA 1 DATA 2 DATA 3 DATA 4 DATA 5 DATA 6 DATA 7 PERIOD The Group Transmit window allows the user to interact with other nodes on the CAN BUS by transmitting messages The user is able to transmit a limited group of mes sages in sequential order spaced out by user defined timing in the Period field All messages can be unique to each o
24. isters this will clear all grey or yellow cells Warning Writing to the ECAN registers could have unintended effects on the CAN BUS and could change the CAN BUS Analyzer settings EE _ 2009 Microchip Technology Inc DS51848A page 19 CAN Bus Analyzer User s Guide 3 6 TRACE FILTER SETUP FEATURE To activate the Trace Filter Setup window select TRACE FILTER SETUP from the main Tools menu FIGURE 3 7 TRACE FILTER SETUP WINDOW Enable Trace Filter IDs Match Log File Filter Trace ID Filter Setup Include In Trace Exclude From Trace CAN ID Add ID Delete ID The Trace Filter Setup window allows the user to filter the Trace window for only the required IDs the user wants to view The trace filter can match the log file filter or it can contain a completely different set of IDs Steps to setup the trace filter to match the log file filter 1 Make sure the Log File Filter is Turned On 2 Click on the IDs Match Log File Filter checkbox The Trace ID Filter Setup options will become disabled 3 Click on the Enable Trace Filter checkbox to enable the filter 4 Confirm on the Trace window that the status of the trace filter changes from Trace Filter Inactive to Trace Filter Active highlighted green Steps to setup the trace filter to be independent of the log file filter 1 Determine if the filter will work as an include or an exc
25. lude filter 2 Enter CAN IDs into the CAN ID text field and click on the Add ID button Repeat this process until all CAN IDs for the filter are entered 3 Click on the Enable Trace Filter checkbox to enable the filter 4 Confirm on the Trace window that the status of the trace filter changes from Trace Filter Inactive to Trace Filter Active highlighted green ES DS51848A page 20 2009 Microchip Technology Inc Using the PC GUI 3 7 LOG FILE SETUP FEATURE To activate the Log File Setup window select LOG FILE SETUP from the main Tools menu FIGURE 3 8 LOG FILE SETUP WINDOW Log File Setup Enable Log File ID Filter Include In Log File Exclude from Log File Add ID Delete ID The Log File Setup window allows the user to setup a log file of the CAN BUS traffic This feature helps gather more information when debugging design issues by captur ing the BUS traffic when an event occurs Log File Setup also allows the user to setup a filter to either include or exclude user defined IDs Steps to setup a log file 1 Browse to a folder to which you want to save your log file 2 Click on the Enable Logging checkbox to enable writing Steps to setup a log file with a filter 1 Determine if the log file filter should work as an include or an exclude filter 2 Enter CAN IDs into the CAN ID text field and click on the Add ID
26. ods embedded engineers typically rely on For example the tool trace win dow will show the user the received and transmitting CAN messages in an easy to read format ID DLC data bytes and timestamp which in traditionally debugging the user would have to convert the register hexadecimal values of a received ID into usable form 2009 Microchip Technology Inc DS51848A page 7 CAN Bus Analyzer User s Guide 1 4 CAN BUS ANALYZER HARDWARE FEATURES The CAN BUS Analyzer hardware is a small compact tool that includes the following hardware features Refer to Section 1 5 CAN BUS Analyzer Software for more information about the software features FIGURE 1 1 CAN BUS ANALYZER Mini USB Connector This connector provides the CAN BUS Analyzer a communication medium to the PC but it can also provide a power supply if the external power supply is not plugged into the CAN BUS Analyzer 9 24 Volt power supply connector When powered by the external power supply the tool can disconnected from the PC to act as a periodic transmitter for CAN BUS messages DB9 connector for the CAN BUS Termination Resistor Software controllable The user can turn ON or OFF the 120 ohm CAN bus termination through the PC GUI Status LEDs Displays the USB status Trigger LED Future functionality CAN Traffic LEDs Shows the actual RX CAN BUS traffic from thee high speed transceiver Shows the actual TX CAB BUS traffic from the hig
27. re levels do not match the PC GUI reversion level Make sure the firmware versions match the PC GUI ERROR 3 10 Enter a valid ID Make sure the format for a valid ID is correct Standard 0 2048 in Decimal 0 7FF in Hexidecimal Extended 0 536870911 in Decimal Ox 1FFFFFFFx in Hexidecimal ERROR 3 15 Enter valid Data If the CAN BUS analyzer is setup for decimal then enter a value between 0 255 else if the CAN BUS analyzer is setup for hexadecimal then enter a value 0 FF Make sure the format for valid data is correct ERROR 3 20 Enter a valid DLC 0 8 Make sure the format for valid DLC is correct ERROR 3 25 Enter a valid Period 50 5000 in milliseconds or enter 0 for a one shot CAN message Make sure the entered period is in range ERROR 3 30 enter a valid repeat value 1 10 or enter 0 for a one shot CAN message Make sure the entered repeat value is in range 2009 Microchip Technology Inc DS51848A page 25 CAN Bus Analyzer User s Guide NOTES DS51848A page 26 2009 Microchip Technology Inc Error Messages NOTES 2009 Microchip Technology Inc DS51848A page 27 MICROCHIP WORLDWIDE SALES AND SERVICE AMERICAS Corporate Office 2355 West Chandler Blvd Chandler AZ 85224 6199 Tel 480 792 7200 Fax 480 792 7277 Technical Support http support microchip com Web Address www microchip com Atlanta Duluth GA Tel 678 957 9614 Fax 678 957 1
28. t Act Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates It is your responsibility to ensure that your application meets with your specifications MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED WRITTEN OR ORAL STATUTORY OR OTHERWISE RELATED TO THE INFORMATION INCLUDING BUT NOT LIMITED TO ITS CONDITION QUALITY PERFORMANCE MERCHANTABILITY OR FITNESS FOR PURPOSE Microchip disclaims all liability arising from this information and its use Use of Microchip devices in life support and or safety applications is entirely at the buyer s risk and the buyer agrees to defend indemnify and hold harmless Microchip from any and all damages claims suits or expenses resulting from such use No licenses are conveyed implicitly or otherwise under any Microchip intellectual property rights QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV ISO TS 16949 2002 Trademarks The Microchip name and logo the Microchip logo dsPIC KEELOQ KEELOQ logo MPLAB PIC PICmicro PICSTART rfPIC and UNI O are registered trademarks of Microchip Technology Incorporated in the U S A and other countries FilterLab Hampshire HI TECH C Linear Active Thermistor MXDEV MXLAB SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U S A Analog
29. ther in terms of ID DLC Data bytes and time between messages 3 4 1 Steps to Transmit a Group of CAN Messages 1 Fill in the CAN message fields which include the ID DLC and DATA for all messages that will be transmitted 2 Ensure that the Periodic field is populated for each message 50 ms to 5000 ms This field represents the time between messages 3 Click on the Send button for that row The row will be highlighted for the current transmitted message DS51848A page 18 2009 Microchip Technology Inc Using the PC GUI 3 5 REGISTER VIEW FEATURE To activate the Register View window select REGISTER VIEW from the main Tools menu FIGURE 3 6 REGISTER VIEW WINDOW x Buffers TX Buffers Mask Control Rxeicon n icon RxM siDH ecancon RXBOSIDH RxBISIDH RxMOSIDL cancon 7 RxeosioL RxeisioL sTxezsion canstatr RXBOEIDH RxBeDHT Meno TxB1EIDH amei RXBOEIDL Retina sTxBoeEIDL meza rxmision BRacone rxeopic remise O meoo rxmieiod RXERRCNT RBD
30. to the tool TABLE 2 1 9 PIN MALE D SUB CAN BUS PINOUT Pin Number Signal Name Signal Description 1 No Connect N A 2 CAN_L Dominant Low 3 GND Ground 4 No Connect N A 5 No Connect N A 6 GND Ground 7 CAN_H Dominant High 8 No Connect N A 9 No Connect N A FIGURE 2 1 PINOUT FOR THE DB9 CONNECTOR 6 0 1 2 5 4 5 YA NS 6 i 8 4 k Oo 0 4 DS51848A page 12 2009 Microchip Technology Inc Installation TABLE 2 2 6 PIN SCREW CONNECTOR PINOUT Pin Number Signal Names Signal Description 1 Vec PIC MCU Power Supply 2 CAN_L Dominant Low 3 CAN_H Dominant High 4 RXD CAN Digital Signal from Transceiver 5 TXD CAN Digital Signal from PIC18F2680 6 GND Ground FIGURE 2 2 PINOUT FOR THE SCREW IN TERMINALS VCC CANL CANH RXD TXD JP1 2009 Microchip Technology Inc DS51848A page 13 CAN Bus Analyzer User s Guide NOTES DS51848A page 14 2009 Microchip Technology Inc CAN BUS ANALYZER MICROCHIP USER S GUIDE Chapter 3 Using the PC GUI Once the hardware is connected and the software is installed open the PC GUI using the shortcut in the Programs Menu under Microchip Technology Inc labeled as Microchip CAN Tool ver XYZ Figure 3 1 is a screen shot of the default view for the CAN BUS Analyzer FIGURE 3 1 CAN BUS ANALYZER DEFAULT VIEW
31. ument Layout Conventions Used in this Guide Warranty Registration Recommended Reading The Microchip Web Site Development Systems Customer Change Notification Service Customer Support Document Revision History DOCUMENT LAYOUT This document describes how to use the Chapter Name as a development tool to emulate and debug firmware on a target board The manual layout is as follows e Chapter 1 Introduction Chapter 2 Installation e Chapter 3 Using the PC GUI Appendix A Error Messages 2009 Microchip Technology Inc DS51848A page 1 CAN Bus Analyzer User s Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions DOCUMENTATION CONVENTIONS Description Represents Examples Arial font Italic characters Referenced books MPLAB IDE User s Guide Emphasized text is the only compiler Initial caps A window the Output window A dialog the Settings dialog A menu selection select Enable Programmer Quotes A field name in a window Save project before build dialog Underlined italic text with A menu path File gt Save right angle bracket Bold characters A dialog button Click OK A tab Click the Power tab N Rnnnn A number in verilog format 4 b0010 2hF1 where N is the total number of digits R is the radix andnisa digit Text in angle brackets lt
32. us traffic Hardware Setup Configure the CAN BUS Analyzer for the CAN network and provides functionality to debug the tool DS51848A page 10 2009 Microchip Technology Inc CAN BUS ANALYZER MICROCHIP USER S GUIDE Chapter 2 Installation 2 1 INTRODUCTION The following chapter describes the procedures for installing the CAN Analyzer hardware and software The chapter contains the following information Installing CAN BUS Analyzer Hardware Installing CAN BUS Analyzer Software 2 2 SOFTWARE INSTALLATION 2 2 1 Installing the GUI Install NET framework version 3 5 before installing the CAN BUS Analyzer 1 Run CANAnalyzer verXYZ exe By default this will install the files to C Pro gram Files Microchip Technology Inc CANAnalyzer_verXYZ 2 Run the setup exe from folder C Program Files Microchip Technology Inc CANAnalyzer_verXYZ GUI 3 The setup will create shortcut in the Programs Menu under Microchip Technology Inc as Microchip CAN Tool ver XYZ 4 Ifthe CAN BUS Analyzer PC software is being upgraded to a newer version the firmware should be updated to match the revision level of the PC software When updating the firmware ensure that the hex files are programmed into their respective PIC18F microcontrollers on the CAN BUS Analyzer hardware 2 2 2 Upgrading the Firmware If upgrading the firmware in the CAN BUS Analyzer the user will need to import the HEX files into MBLAB IDE and program t
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