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@mithro

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Tim has�too many�slides!

RISC-V Edition!

@mithro

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Thank you!

I owe you all many beers!

Sébastien Bourdeauducq

m-labs.hk

Florent Kermarrec

enjoy-digital.fr

Andrew "bunnie" Huang

www.bunniestudios.com

Sean "xobs" Cross

xobs.io

William D. Jones

www.wdj-consulting.com

Ewen McNeill

ewen.mcneill.gen.nz/blog

and many more!

@mithro

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Tim has�too many�projects

RISC-V Edition!

@mithro

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Hi

I'm Tim!

@mithro

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@mithro

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@mithro

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I have a secret...

@mithro

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Impending Menace�| Credit: sagesolar

@mithro

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I'm human inside…

@mithro

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I'm human inside…

@mithro

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Bug generator…

@mithro

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@mithro

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@mithro

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@mithro

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@mithro

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@mithro

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I'm a�Software Developer

@mithro

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I

attend conferences

@mithro

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@mithro

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@mithro

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@mithro

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I'm human inside…

@mithro

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I'm human inside…

@mithro

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It's near nothing!

@mithro

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@mithro

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TimVideos.us

Conference + User Groups Recording + Live Streaming

@mithro

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@mithro

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"How hard could hardware be?"�

Past Tim

@mithro

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@mithro

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Bug generator…

@mithro

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"I hate hardware"�

Current Tim

@mithro

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@mithro

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NeTV

HDMI "man in the middle"

@mithro

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@mithro

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I'm a�Software Developer

@mithro

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@mithro

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NeTV

HDMI "man in the middle"

@mithro

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@mithro

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Lets change it up!

HDMI "man in the middle"

@mithro

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I'm a�Software Developer

@mithro

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"I've done PHP!"�

Past Tim

@mithro

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"How bad could a programming language be?"�

Past Tim

@mithro

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Two major languages

Verilog

VHDL

@mithro

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@mithro

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Progress was slow….

After ~3 years...

Only basic features working
Lots of features still to be done

Ethernet Support
Buffering

Licensing complicated

@mithro

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Then new hardware..

We created some open hardware…..

opsis.hdmi2usb.tv

@mithro

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@mithro

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Migen & MiSoC & LiteX

m-labs.hk/migen

Python based
FPGA HDL
System on Chip
Soft CPU
Peripherals

@mithro

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Migen & MiSoC & LiteX

m-labs.hk/migen

Python based
FPGA HDL
System on Chip
Soft CPU
Peripherals

Python!!!

@mithro

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Why is this important?

Python is a powerful language
Python is a productive language

@mithro

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Why is this important?

Python is a powerful language
Python is a productive language
Python is a programming language

@mithro

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@mithro

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Still not enough?

While Python, still writing hardware
Writing hardware is hard

@mithro

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Migen & MiSoC & LiteX

Python based
FPGA HDL
System on Chip
Soft CPU
Peripherals

SoftCPU

github.com/timvideos/HDMI2USB-litex-firmware

@mithro

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LiteX Firmware

Funded Enjoy Digital
Rewrite in ~4 weeks
Lots more features

enjoy-digital.fr

github.com/timvideos/HDMI2USB-litex-firmware�

@mithro

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Lots more features...

Buffering!
Opsis and Atlys
SoftCore
Ethernet

enjoy-digital.fr

@mithro

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HDMI2USB.tv

FOSS Firmware + Hardware for

Conference Capture

@mithro

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HDMI2USB.tv

Used @ PyCons, Linux.conf.au, DebConf

@mithro

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?

@mithro

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Migen & MiSoC & LiteX

Python based
FPGA HDL
System on Chip
Soft CPU
Peripherals

SoftCPU

@mithro

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Migen & MiSoC & LiteX

LiteX gives you choice of�soft CPU

LatticeMico32
OpenRISC1000

@mithro

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Migen & MiSoC & LiteX

LiteX gives you choice of�soft CPU

LatticeMico32
OpenRISC1000
PicoRV32 or VexRISCV

@mithro

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!

@mithro

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Yay!

@mithro

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Software for soft CPU?

Write software on soft CPU

Software needs cross compiler
Needs C library, etc...

@mithro

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LiteX BuildEnv

Makes LiteX easy

Python environment
Cross compilers
Firmware building
Board programming

@mithro

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LiteX BuildEnv

Makes LiteX easy

Bare metal
Linux
XXXXXX
Zephyr soon?

@mithro

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LiteX BuildEnv

Makes LiteX easy

Supports many boards!
Always supporting more boards!

@mithro

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LiteX BuildEnv - MimasV2

$49.95 USD

Peripherals

Works: Button + Switches
Works: 7 Segments
Works: SPI
TODO: SD Card
TODO: VGA
TODO: Audio

TODO: PMOD Expansion

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LiteX BuildEnv - Arty A7

$119.00 USD

Peripherals

Works: Button + Switches
Works: LEDs
Works: SPI
TODO: Ethernet
TODO: RGB LEDs
TODO: PMOD + Arduino Expansion

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LiteX BuildEnv - TinyFPGA BX

$38.00 USD

Peripherals

Works: CPU
Works: LED
Works: SPI
TODO: Expansion?

iCE40HX8K

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LiteX BuildEnv - ICE40HX8K-B-EVN

$49.00 USD

Peripherals

Works: CPU
Works: LED
Works: SPI
TODO: Expansion?

iCE40HX8K

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LiteX BuildEnv - iCE40UP5K-B-EVN

$49.00 USD

Peripherals

Works: CPU
Works: RGB LED
Works: SPI
TODO: Expansion?

iCE40UP5K

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LiteX BuildEnv - icebreaker

$??.00 USD

Peripherals

Works: CPU
Works: LEDs, Buttons
Works: SPI
TODO: Expansion?

iCE40UP5K

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LiteX BuildEnv - Your board?

Easy

Lattice iCE40, iCE40UP5K

Xilinx Spartan 6

Xilinx Artix 7, Spartan 7, Kintex 7

Harder (But possible)

All Altera / Intel, Lattice ECP5

j.mp/lxbe-boards

j.mp/lxbe-wiki

@mithro

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Yay!

@mithro

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Software for soft CPU?

Write software on soft CPU

Software needs cross compiler
Needs C library, etc...

@mithro

86 of 104

Software for soft CPU?

Write software on soft CPU

Software needs cross compiler
Needs C library, etc...

Not Python

@mithro

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@mithro

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@mithro

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Run MicroPython on soft CPU!

@mithro

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FuPy - Python + FPGAs

Python describing hardware

Running MicroPython

@mithro

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FuPy - Python + FPGAs

Python describing hardware

Running MicroPython

Python!!!

@mithro

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FuPy - Python + FPGAs

Python describing hardware

Running MicroPython

Python!!!

@mithro

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LiteX BuildEnv

Makes LiteX easy

Bare metal
Linux
MicroPython
Zephyr?

@mithro

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FuPy - Python + FPGAs

We need your help!

@mithro

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@mithro

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A distraction!

https://goo.gl/JzOa3Z

@mithro

@mithro

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U2F Hardware

@mithro

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YubiKey Nano - U2F inside USB Port

@mithro

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My family!

@mithro

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$50 USD!

€?? EUR!

@mithro

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I'm Tomu

https://tomu.im

25MHz ARM Cortex-M0+
8kb^ RAM
64kb^ Flash
USB 2.0

2 different color LEDs
2 touch buttons

Literally 12 Parts
~$10 USD from Digikey�In individual quantities
Hand solderable

^kilobytes

tomu.im

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LiteX BuildEnv - Tomu FPGA

$??.00 USD

Peripherals

Works: CPU
Works: LEDs, Buttons
Works: SPI
TODO: Expansion?

iCE40UP5K

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Tomu FPGA

LiteX BuildEnv supported!
RISC-V inside your USB port!
MicroPython!
Zephyr?
more!?

iCE40UP5K
5K LUTs
128kbyte RAM
SPI Flash
RGB LED + Captouch

@mithro

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Original Tomu

FPGA Tomu

TinyFPGA BX