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5 - Aleksy Wavedrom
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- 5 - Aleksy WavedromThu, 10 Jun 2021 - 40min
- 4 - Andrew Zonenberg
00:00 Andrew Zonenberg Introduction 01:48 Where did your interest in HW security come from? 04:12 What’s the difference between FPGA & ASIC development? 05:45 FPGA experience 06:00 UNIX style OS for PICs 08:35 PCB checklist https://github.com/azonenberg/pcb-checklist 09:35 What's your motivation for your work on high speed electronics 11:17 One goal of Andrew’s is to replace some Cisco switches with his own design 12:12 Where are the challenges in building a high speed switch like this? 13:52 How do you get something like this to work first time? 15:40 Sonnet for simulation https://www.sonnetsoftware.com/ 16:55 OpenEMS https://openems.de/start/ 18:08 Is it possible to build an intuition for high speed layout? 20:43 New lab toys 24:22 Andrew’s work on scope probes 25:12 Signal path review of AKL-PT1 https://www.youtube.com/watch?v=eZhMIR0l3xU 26:30 Buy a probe from Elegant Invention: https://shop.elegantinvention.com/collections/antikernel-labs 27:00 AKL-PT2 - solder on version 29:05 What’s the cheapest bit of kit for signal integrity 30:45 Tips on 2nd hand tools 33:12 Andrew’s preference is equipment that is no longer manufactured but still in support 35:00 Sampling scope for repetitive signals - eye diagrams 35:40 Ted Yapo’s super con talk on sampling scopes: https://www.youtube.com/watch?v=99u53V7uDFY 36:54 Sampling scopes could be cheaper solution for entry level signal integrity 37:08 Freesample: https://github.com/azonenberg/freesample 38:30 Explanation of how a sampling scope works 41:47 glscopeclient: https://github.com/azonenberg/scopehal-apps 45:35 glscopeclient roadmap 50:30 probono or discounted services for open hardware projects 53:09 contacting Andrew https://twitter.com/azonenberg
Tue, 04 May 2021 - 54min - 3 - Piotr Esden-Tempski
00:00 Introducing Esden 00:58 Unnamed RE podcast https://unnamedre.com/episode/44 01:43 top level overview of the Glasgow board 03:51 FPGA tools integrated into Glasgow tools 06:20 USB speed optimisation 06:30 Talk by Attie Grande https://fosdem.org/2021/schedule/event/glasgow/ 08:03 Comments in Glasgow code 09:03 Update on Glasgow Crowd Supply 10:15 Shortage of ICs, impacting Blackmagic Probe 12:07 Having to place orders for Glasgow from manufacturers 13:42 iCEBreaker FPGA board 18:50 Piggybacked RAM 19:29 Doom on iCE40 by Sylvain Munaut 21:00 Underestimating possibilities of small FPGAs 24:56 What role do the Open Source EDA tools play in your business 29:30 Brief history of 1 Bit Squared 32:01 Black Magic Probe still supported? 37:57 1 Bit Squared expanding 38:10 Esden’s thoughts on community 41:51 Work by Sophi Kravitz and others on Hackaday Supercon 42:42 Adafruit community 43:30 Common problem is too much leeway, being afraid to say stop 45:05 Human stuff is part of technical stuff Follow Piotr on twitter here: https://twitter.com/esden
Wed, 31 Mar 2021 - 49min - 2 - Al Wood
00:00 Introducing Al 01:26 Discovering Yosys 02:51 Lattice hx8k 04:58 OSHUG 05:47 The Coal Hole 06:15 OSHcamp workshop 06:55 Blackice memory & co-processor 07:34 FTDI tax 11:30 Raspberry Pi as programmer 13:50 HX4K with Yosys 15:00 sram chip - retro computing 16:10 Mystorm Forum 18:34 BBC Atom & Micro 20:13 What would you do to get more people interested in FPGAs 22:49 Verilog is a double edged sword 23:04 Higher level HDLs - nMigen 27:27 nMigen has built in support for Formal Verification 27:50 Glasgow & nMigen 28:40 nMigen support on myStorm boards 29:14 what’s been the impact of OSS on your professional and personal life 29:45 XMOS 31:05 Transputer 34:37 Interrupts are bad 37:00 building your own processors in FPGAs 38:49 where do you see FPGA tools in 5 years 43:02 Raspberry Pi RP2040 PIOs 48:30 New FPGA architectures 49:20 How to get in touch with Al 40:31 Streams on a Wednesday 8pm GMT http://twitch.tv/folknology 50:20 ecp5 based FPGA myStorm board incoming
Mon, 15 Mar 2021 - 51min - 1 - Olof Kindgren
00:00 Introducing Olof Kindgren 01:03 FOSSi 02:34 ORConf 04:41 FOSSi Dial-Up: https://www.fossi-foundation.org/dial-up/ 06:20 75% of people who taped-out were software engineers 06:40 LibreCores 08:30 LibreCores vs OpenCores 09:31 Community building 10:53 SERV - an award winning RISC V processor 12:33 What is a bit serial core 13:43 Creativity award 14:02 CORE SCORE! 15:45 Corey 18:14 Olof doesn’t have enough FPGA boards 18:41 Documentation week 19:20 SERV documentation 20:06 How is Open Source shaping the EDA world 22:12 Engineering time is expensive 23:28 Fixing bugs in Open Source toolchains 25:25 no Formal Verification tools 26:17 GHDL 26:34 Yosys is an amazing synthesis tool 28:15 Bridging between proprietary and Open Source tools 28:35 Cocotb 29:48 Presenting the best interviewee award Follow Olof on twitter: https://twitter.com/OlofKindgren
Mon, 15 Mar 2021 - 30min
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