YosysHQ
Interviews from the world of Open Source EDA tools
ABOUT THIS PODCAST
Interviews from the world of Open Source EDA tools
Category
Episodes
5
Type
Hosted
Language
English
Started
15 Mar, 2021
Created by
Matt Venn
Explicit
No
Latest Episodes
10 Jun, 2021
Andrew Zonenberg
Matt Venn
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
04 May, 2021
Piotr Esden-Tempski
Matt Venn
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
31 Mar, 2021
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