Adept™ Application User's Manual
Contents
1. You can control the system board using the expanded virtual I O controls on the I O Ex tab assuming that the FPGA or logic device has an EPP style interface as outlined in the O Ex Programmer s Reference Manual found on the Adept web page The expanded I O controls include 16 switches 16 buttons 8 LEDs 24 individual light bars and the ability to send and receive a 32 bit value Adept connects to the I O Ex configuration when you press the Start I O button A special handshaking register is checked to verify that the I O Ex design is active in the FPGA If it is valid the I O Ex status light turns green If it isn t the light turns yellow but the I O registers are still polled The I O Ex connection can be stopped any time by pressing the Stop I O button switching to a different tab or changing the connected device Switches are flipped and buttons pressed by clicking on the graphics If any error occurs while reading the status of these controls they will be disabled for the duration of the I O Ex connection www digilentinc com page 6 of 9 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners Digilent Adept User s Manual A Digilent Inc www digilentinc com Sending a Value to the FPGA A 32 bit value can be entered as a decimal signed decimal hexadecimal or binary value Click the Send button to send this value to the FPGA or logic2. Adept Application User s Manual ZADIGILENT www digilentinc com Revision May 28 2010 215 E Main Suite D Pullman WA 99163 509 334 6306 Voice and Fax Overview The Adept application is a PC interface for use with Digilent s programmable boards Adept lets you configure onboard devices download or upload data files expand I O capability and run tests to confirm proper operation The Adept interface automatically shows the particular options available for the attached Digilent board Adept provides support for the following chips FPGA Families Spartan 2E XC2SE Spartan 3 XC3S Spartan 3E XC3SE Spartan 3A XC3SA Spartan 3AN XC3SAN Virtex 2 XC2V Virtex 2 Pro XC2VP Virtex 5 XC5V Spartan 6 XC6S CPLD Families e CoolRunner 2 XC2CA e CoolRunner 2 XC2C PROM Families e Platform Flash PROM XCFS not XCFP series Installing and Launching Adept Before installing ensure that no Digilent device is connected to the PC To install Adept open the Adept System Setup file and follow the Windows Installer directions Once installed the Adept application can be launched from a shortcut in the Start Menu NOTE The Digilent Nexys 2 500 board is used as an example in all of the screenshots in this manual Doc 506 009 page 1 of 9 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners Digilent Adept User s Man
3. appropriate configuration file in the Open dialog box and click the Open button Adept displays a history of configuration files in the drop down list box next to the device 3 Click the Program button or right click on the device icon and select Program Device www digilentinc com page 2 of 9 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners Digilent Adept User s Manual A Digilent Inc www digilentinc com Choosing Other Device Configuration Operations Some devices can be erased verified or have their JTAG ID codes looped for connection strength verification These operations can be started by right clicking on the device icon The Test Tab Digilent Adept m m Pal x YS Pm Connect Onboard USE Product Nexys2 500 Config Test Register I O File I O I O Ex Settings Camm O O coe i inini i iniu Buttons O O w O Stop Test Device 1 XCFO45 Initialization Complete Device 1 XC3S500E Device 2 XCFO45 Programming Test Configuration Test Started CO Adept can run simple diagnostic tests on some boards so that you can verify that the board is functioning properly To begin a test of the board click the Start Test button This automatically loads a diagnostic test configuration to the FPGA or other logic device While the test is active the board s button and switch status is displayed
4. device All values can be entered as binary decimal or hexadecimal using the following formats a binary byte 0b10101010101010101010101010101010 a decimal byte 2863311530 a hexadecimal byte Oxaaaaaaaa a signed decimal byte 1 Receiving a Value from the FPGA A 32 bit value is constantly polled from the FPGA or logic device The Settings Tab A Digilent Adept ASEE comma twos O Product Newys 500 Config Test Register 1 0 File YO O Ex Settings Application Settings Initialize SC on Startup Hide Status Window L Slow Programming Speed Clear Status Window Clear File History Device Manager Initialization Complete Device 1 XC3S500E Device 2 XCFO45 Programming Test Configuration Test Started Test Stopped The Settings tab lets you change various options For example you can set Adept to operate in Slow Programming Speed mode The Settings tab also lets you access the Device Table Manager www digilentinc com page 7 of 9 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners Digilent Adept User s Manual A Digilent Inc www digilentinc com The Device Table Manager DPCOMM Device Table Manager 1 0 1 Device Table Connected Devices My Nexyse Alias My Mexys DonbUsb Connect 5M 100540131279 T Hee USB Remove Owe Enumerate The Device Table Manager provides a wa
5. e corresponding Read button The data read from the register will appear in the Data text box to the left of the button To write data into a register enter a 1 byte address enter the byte to write to the register in the Data text box and click the corresponding Write button To read or write data to a group of addresses enter all the needed information and then click Read All or Write All All values can be entered as binary decimal or hexadecimal using the following formats e abinary byte 10101010 e adecimal byte 170 e a hexadecimal byte Oxaa www digilentinc com page 4 of 9 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners Digilent Adept User s Manual A Digilent Inc www digilentinc com The File I O Tab A Digilent Adept ma gt NI xX YS _ Connect Onboard USB Product Nexys2 500 Contig Test Register 0 File I0 0 Ex Settings Upload L upload entire file Fie gt gt Device Download ia Browse Append Replace Overwrite File lt lt Device Register File Start Location Register Address Length Initialization Complete Device 1 XC35500E Device 2 XCFO45 Programming Test Configuration Test Started Test Stopped CO You can transfer partial or entire files to or from the system board using the File I O tab assuming that the FPGA or logic device has an EPP style
6. er to form a JTAG scan chain To program a device in the JTAG scan chain all other devices are set to BYPASS so they are ignored and not configured Then a series of bits are shifted into the scan chain through TDI to configure the device TCR TMS TOQ JTAG Scan Chain www digilentinc com page 9 of 9 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners
7. interface as outlined in the DoimRef Programmer s Reference Manual found on the Adept web page To upload or stream a file into a register 1 Choose a file along with the start location for reading from the file 2 Enter the register address to be uploaded to and the length in bytes to be read from the file the entire file can be uploaded by clicking the check box under Upload 3 Click the File gt gt Device button to start the transaction To download or stream a file from a register 1 Choose a file to download the streaming data from the register The file can be written to in three different ways e Append the data stream to an existing file e Destroy all existing data and replace it with data stream e Overwrite data in the file starting at a specified location 2 Enter the register to be read from and the length in bytes to be read from it 3 Click the File lt lt Device button to start the transaction www digilentinc com page 5 of 9 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners Digilent Adept User s Manual A Digilent Inc www digilentinc com The I O Ex Tab 4 Digilent Adept Product Nexys 500 Config Test Register I O File y0 WOEx Settings To FPGA From FPGA Light Bar Ox fT ooo0011000000110000 AAPM MUUUUUDUUNN 0011000000110 Format Binary C 3 D C Switches DERBE nm oooo RA OY O
8. to help identify any failing I O component For some boards like the Nexys2 automated onboard memory tests are provided In the Nexys2 example above clicking the Test RAM and Test Flash buttons runs a walking 1 test through the respective memory device to verify proper operation The test can be stopped any time by pressing the Stop Test button switching to a different tab or changing the connected device www digilentinc com page 3 of 9 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners Digilent Adept User s Manual A Digilent Inc www digilentinc com The Register I O Tab i Digilent Adept Product Nexys2 500 Config Test__ Register VO File 1 0 YO Ex Settings Address Data Read Data Write Read All Write All Display Format Binary Decimal Hex Initialization Complete Device 1 XC35500E Device 2 XCFO4S Programming Test Configuration Test Started Test Stopped CO Adept supports PC communication with system boards via a register based transfer system assuming that the FPGA or logic device has an EPP style interface as outlined in the DoimRef Programmer s Reference Manual on the Adept web page Using the Register I O tab you can read or write a register value on the system board by specifying a register address To read data out of a register enter a 1 byte address and click th
9. ual A Digilent Inc www digilentinc com The Config Tab A Digilent Adept ma C NI xX YS _ Connect Onboard USB Product Nexys2 500 Config Test Register I O File I O I O Ex Settings Initialize Chain Initialization Complete Device 1 XCFO45 Initialization Complete Device 1 XC35500E Device 2 XCFO4S CO E When you launch Adept it connects to the first Digilent product it finds or the last one selected and attempts to initialize itself for device configuration Most Digilent products contain device configuration capabilities so the Config configuration tab is usually shown by default Any configurable devices are listed in the Config tab To initialize Adept for device programming 1 Select a product in the Connect drop down list box Connect Onboard USB Product Nexys 500 2 Adept tries to initialize itself for device configuration It can be manually initialized by clicking the Initialize button 3 After initializing the Adept interface shows the available configuration options for the attached device in the drop down list box next to the device icon 4 If Adept is unable to connect to the product or is unable to initialize the window displays No devices identified If this happens try disconnecting and then reconnecting the product To program a device 1 Click the Browse button next to the device icon in the window An Open dialog box appears 2 Select the
10. y to add or remove Digilent products to and from a Device Table Itis launched by clicking the Device Table Manager button in the Settings tab To see the devices that are connected click the Enumerate button Clicking on an enumerated device will automatically write the serial number to the Connect text box Use the Alias text box to enter a custom name for your device The alias is displayed the Connect drop down list box in Adept After assigning an Alias click the Add Dvc button to add the device to the device table To remove a device from the device table click the Remove Dvc button To save the current state of the Device table click the Save button before exiting www digilentinc com page 8 of 9 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners A Digilent Inc Digilent Adept User s Manual ae www digilentinc com Appendix A The JTAG Scan Chain The JTAG Joint Test Action Group standard is used by many chip manufacturers to program logic memory devices JTAG is specified by IEEE 1149 1 A device is JTAG compliant if it contains a JTAG TAP controller as well as TDI TDO TMS and TCK pins The TDI inputs data into the JTAG TAP controller and the TDO provides outputs Any FPGA CPLD or PROM that is JTAG compliant can be erased programmed and verified using this standard The TDI and TDO pins on several JTAG devices can be connected togeth
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