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Webinar Breakdown: • Introduc*on to pseudorandom number generator (LFSR) code • Review of Verilog wrapper interface to microcontroller • Simula*on with Mentor Graphics® ModelSim® • Synthesis using Intel® Quartus® Prime Lite • Upload to FPGA via the Arduino IDE • Overview soKware library • Run simple sketch to demonstrate new FPGA hardware OpenXLR8: How to Load Custom FPGA Blocks Webinar Replay from January 12, 2017

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Page 1: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

WebinarBreakdown:• Introduc*ontopseudorandomnumbergenerator(LFSR)code• ReviewofVerilogwrapperinterfacetomicrocontroller• Simula*onwithMentorGraphics®ModelSim®• SynthesisusingIntel®Quartus®PrimeLite• UploadtoFPGAviatheArduinoIDE• OverviewsoKwarelibrary• RunsimplesketchtodemonstratenewFPGAhardware

OpenXLR8:HowtoLoadCustomFPGABlocks

WebinarReplayfrom

January12,2017

Page 2: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

Presenters

JasonPecor BryanCrakerHarlieJuedes

Page 3: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

•LaptopwithWindowsorLinux(ToolsnotsupportedonMac)

• InstalledTools:–ArduinoIDE– IntelQuartusPrimeLiteEdi*on• IncludesModelsim-IntelFPGAEdi9onandMax10FPGAsupport

• AUSBMinicableforconnecRngXLR8boardtolaptop

Pre-Requisites

YouWillNeed:

Followtheinstructionshere:http://www.aloriumtech.com/openxlr8/

Page 4: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• LFSRCodePackage:

h"ps://github.com/AloriumTechnology/XLR8LFSR

• ArduinoBoardLibraryURL:h"ps://raw.githubusercontent.com/AloriumTechnology/Arduino_Boards/master/package_aloriumtech_index.json

LFSRandBoardLibraryURLs

RenametoXLR8Build

MovetoArduinoLibrariesfile

https://raw.githubusercontent.com/AloriumTechnology/Arduino_Boards/master/package_aloriumtech_index.json
Page 5: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• GotoSketch->IncludeLibrary->ManageLibraries…

• Searchfor“XLR8”andinstallXLR8CoreandXLR8BuildTemplate

• GotoTools->Board->BoardsManager…• Searchfor“XLR8”andinstallAloriumXLR8Boards

ArduinoIDESetup

Page 6: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

Applica*onAccelerator&DevelopmentBoard

DesignedforArduinoDeveloperCommunity

BasedonIntel®MAX®10FPGA

ProgrammablewithArduinoIDE

WhatisXLR8?

Field-programmable

Gate Array

Page 7: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

WhyuseFPGA?

HIGHER-PERFORMANCE

FASTERAcceleration

Offload

Page 8: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

BoardLevelBlockDiagram

AnalogI/OPower/Reset

BarrelConnector

5VReg

3.3VReg

USB

OSC

ISP

JTAG

Op*onalEEPROM

DigitalI/O

3.3V/5VLevelShiK AnalogPreamps

3.3V/5VLevelShiK

FTDI

I2C

U169Package

Page 9: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

FPGABlockDiagram

AVRProcessorCore

ProgramMemoryandFlash

DataMemory

ADC

TimerPWM

I2C

SPI

UART

PLL

ConfigFlash

Image1

Image0

Reconfig

XceleratorBlocks(ProgrammableFPGAFabric)

PinMuxing

ProcessorB

us

Page 10: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

AnXceleratorBlock(XB)isanop*mizedhardwareimplementa*onofaspecificfunc*on.

CustomhardwareimplementedonthesamechipTightlyintegratedwiththemicrocontrollerXBscanaccessthesameregisterspace

Integratewiththeinstruc*onsofthemicrocontroller

XceleratorBlocks

Available XBs • Floa*ngPointMath• ServoControl•NeoPixelControl• EnhancedAnalog-to-DigitalFunc*onality

XB Roadmap •EventCountersandTimers•QuadratureEncoders/Decoders• PulseWidthModula*on(PWM)• Propor*onal-Integral-Deriva*ve(PID)control•Mul*pleUARTS

Page 11: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

OpenXLR8

HDL

MethodologythatallowsXLR8userstodeveloptheirownXceleratorBlocksanduploadthemtotheFPGA.

Page 12: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

Module-LevelDesignandSimulaRon

alorium_lfsr_tb.v

LFSR

Testbench

alorium_lfsr.v

LFSRModuleDesign

SimulationTestbench

• PseudorandomNumberGenerator• UsingaLinearFeedbackShiftRegister(LFSR)• 8-bit• 4-tap

Page 13: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

IntegraRonintoXLR8

xlr8_lfsr.v

alorium_lfsr.v

xlr8_top.v

xlr8_lfsr.v

alorium_lfsr.v

xlr8_d_mem

xlr8_avr_core

xlr8_p_mem

xlr8_gpio

XLR8Wrapper

XLR8Top-LevelVerilog

XLR8CoreComponents

Page 14: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

Synthesisxlr8_top.v

xlr8_lfsr.v

alorium_lfsr.v

xlr8_d_mem

xlr8_avr_core

xlr8_p_mem

xlr8_gpio

RPDFPGA

ProgrammingFile

xlr8_top.v

Optional–NotToday…

Page 15: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

UploadtoFPGA

XLR8RPD

Page 16: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

RunSketch

Page 17: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

Let’sDiveIn!

Page 18: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

BuildinganLFSRonanFPGA

HDL

Page 19: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

LinearFeedbackShiftRegister(LFSR)

D Q D Q D Q D Q D Q D Q D Q D Q0 1 2 3 4 5 6 7

assign feedback = ~(lfsr_data[7] ^ lfsr_data[5] ^ lfsr_data[4] ^ lfsr_data[3]);

XNOR

Page 20: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

SoftwareFunctionvsGeneratedAssemblyCode

Page 21: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• RTL=Register-TransferLevel• HDLcode• Verilog/SystemVerilog• VHDL

• TheLFSRmodule,alorium_lfsr.v

RTLfortheLFSR

Page 22: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• Thetestbench,alorium_lfsr_tb.v

Testbench

Page 23: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• StartModelsim• File->New->Library…• Createthedefault“work”libraryinsideofourprojectRTLdirectory

• Compile->Compile…• Selectalorium_lfsr.vandalorium_lfsr_tb.v

• “Compile”andthen“Done”• Openthetestbenchintheworkarea

SimulatingtheTestbench

Page 24: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• Selectourtestbenchsignalsandbringthemintoawaveswindow

• Hitthe“Run–all”button

SimulatingtheTestbenchContinued

Page 25: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• xlr8_lfsr.v• ConnectsthesignalsfromtheXLR8coretotheLFSRmodule

• Instantiatesthealorium_lfsrmodule• Controlsregisteraccess

XLR8Module

Page 26: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

LFSRControl Address0xE0

Bit 7 6 5 4 3 2 1 0

Function Unused FreerunningMode

R/W R R R R R R R R/W

Initial 0 0 0 0 0 0 0 0

LFSRSeed Address0xE1

Bit 7 6 5 4 3 2 1 0

Function LFSRSeedData

R/W R/W R/W R/W R/W R/W R/W R/W R/W

Initial 0 0 0 0 0 0 0 0

LFSRData Address0xE2

Bit 7 6 5 4 3 2 1 0

Function LFSRResultData

R/W R R R R R R R R

Initial 0 0 0 0 0 0 0 0

RegisterDefinitions

Page 27: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• xb_adr_pack.vh• Declaretheaddresslocationsofyourregisters

• RefertotheXLR8UserManualtofindopenregisterspace

XBAddresses

Page 28: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

IntegrationintoXLR8

xlr8_lfsr.v

alorium_lfsr.v

xlr8_top.v

xlr8_lfsr.v

alorium_lfsr.v

xlr8_d_mem

xlr8_avr_core

xlr8_p_mem

xlr8_gpio

XLR8Wrapper

XLR8Top-LevelVerilog

XLR8CoreComponents

Page 29: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• xlr8_top.v• Instantiatethexlr8_lfsrmodule• Addthecontrolsignalsto“stgi_xf_io_slv_dbusout”and“stgi_xf_io_slv_out_en”

XLR8Top

Page 30: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• xlr8_top.qsfunderthe“quartus”directory

• Addinourmodulefilesandtheregisteraddressfile

ModifytheProjectQSFFile

Page 31: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• GotoSketch->IncludeLibrary->ManageLibraries…

• Searchfor“XLR8”andinstallXLR8CoreandXLR8BuildTemplate

• GotoTools->Board->BoardsManager…• Searchfor“XLR8”andinstallAloriumXLR8Boards

ArduinoIDESetup

Page 32: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

Synthesisxlr8_top.v

xlr8_lfsr.v

alorium_lfsr.v

xlr8_d_mem

xlr8_avr_core

xlr8_p_mem

xlr8_gpio

RPDFPGA

ProgrammingFile

xlr8_top.v

Optional–NotToday…

Page 33: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• OpenQuartusandopenourprojectQPFfilewithFile->OpenProject…• BeginthecompilewithProcessing->StartCompilation• Aftercompilationiscompleted,File->ConvertProgrammingFiles…• OpenConversionSetupData,open“openxlr8.cof,”andGenerate

CompiletheProjectinQuartus

Page 34: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

UploadtoFPGA

XLR8RPD

Page 35: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• OpentheArduinoIDE• UnderTools->BoardselectOpenXLR8• ConnectyourboardviaUSBandmakesureitisselectedinArduinounderTools->Port

• Tools->BurnBootloader

BurntheFPGAImage

Page 36: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• XLR8_LFSR.h• DefinesthesameregisteraddressesasintheRTL

• SetsandreadstheLFSRregisters

ArduinoLibraryfortheLFSR

Page 37: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

• IncludetheXLR8_LFSR.h• Settheseed,enteralooptoprinttheresultoftheLFSRtoserialoutput

• Compileandrunontheboard

ArduinoLFSRExample

Page 38: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

AssemblyCode:SoftwarevsFPGA

Page 39: OpenXLR8: How to Load Custom FPGA Blocks · • Review of Verilog wrapper interface to microcontroller ... • Using a Linear Feedback Shift Register (LFSR) • 8-bit • 4-tap

Q&A


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