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**Brian Ketelsen:** Oh, we should probably say goodbye then. |
**Erik St. Martin:** Well, I said goodbye. You guys were all just rude. \[laughter\] |
**Brian Ketelsen:** Well, thanks for coming on, Joe. |
**Joe Doliner:** Thanks for having me, it's been an absolute blast. Goodbye to all the listeners... This has been great. |
**Carlisia Thompson:** Thank you, J.D., and goodbye everybody. |
**Erik St. Martin:** Bye, everybody. |
• Introduction to Brian Ketelsen's 46th birthday and the podcast episode |
• Marc-Antoine Ruel introduces himself and his work at Google on Python projects, with a personal interest in Go programming |
• Discussion of healthcare systems and Canada's universal coverage |
• Introduction to Marc-Antoine's project Periph (Periph.io) and its origins as a driver for an infrared camera |
• Details about the FLIR Lepton camera and its use cases |
• Marc-Antoine's experience with writing code for websockets, SPI protocol, and learning from his mistakes |
• The development of dlibox, a project aimed at creating smart night lights for children's rooms using PWM LEDs |
• Controllable lighting with PWM and SPI bus |
• Driver for Raspberry Pi and other platforms |
• Periph library: device driver registry and discovery |
• Device driver registration and dependencies |
• Abstraction layers for hardware features |
• Automatic platform support and underlying host drivers |
• Dual-protocol devices (e.g. BME280, SSD1306) |
• Discussion of I2C and SPI communication protocols |
• Overview of Periph.io library's features, including 1-Wire support |
• Thorsten von Eicken's contributions to the project, including 1-Wire code and design of the Periph-tester board |
• Use of DMA (Direct Memory Access) for performance optimization in bit-banging |
• Comparison of DMA-based and CPU-based approaches for bit-banging and GPIO access |
• Explanation of what DMA is and its uses |
• Demonstration of Periph.io library's functionality on a Raspberry Pi |
• API functionality for various microcontrollers |
• Discussion of the PocketCHIP device and its uses |
• Comparison between the PocketCHIP and Raspberry Pi |
• Development of the Periph library and its history |
• gohci CI system and its purpose in testing hardware |
• Chrome infrastructure project and inspiration for gohci |
• The speaker successfully ran Caddy on a low-memory system using Docker |
• Periph.io is a project that abstracts away hardware-specific details for easier development |
• Outreach efforts were made to discuss collaboration with other projects, including Gobot and GoKrazy |
• Chrome OS's Container OS was used as a base for the speaker's experimentation |
• The future of operating systems may involve partitioned mechanisms like those in Chrome OS and Android for safe and simple upgrades |
• CoreOS fork by Jessie Frazelle for use as a desktop OS |
• ChromeOS feature request to run Docker images |
• Using a MacBook Pro due to multiple monitor support |
• Skolo project booting Raspberry Pi from network over NFS |
• Go client-server text editor experiment, using net/rpc and gob encoding |
• wi editor project in Rust, with JSON-RPC for communication |
• Discussion of gRPC as an alternative protocol |
• Separation of frontend and backend for more flexibility |
• Discussing the benefits of a web-based editor and server separation |
• Open-source projects mentioned: docopt, wxGo, Caddy, Shiny, hécate |
• Users discussing their experiences with these projects and how they've improved their development workflow |
**Erik St. Martin:** Welcome back everybody for another episode of GoTime. Today's episode is number 46, and our sponsor for today is Toptal. Today on the show we have myself, Erik St. Martin, and also on the show, who is the birthday boy today, Mr. Brian Ketelsen - say hello, Brian. |
**Brian Ketelsen:** Is it really episode 46 on my 46th birthday? |
**Erik St. Martin:** It is. |
**Carlisia Thompson:** That's precious! |
**Brian Ketelsen:** Wow... |
**Marc-Antoine Ruel:** Incredible. |
**Brian Ketelsen:** That's so special. |
**Erik St. Martin:** And I'd say we'd sing for you, but we tried that once and latency was terrible. |
**Brian Ketelsen:** No, we're singing, dammit! \[laughter\] There will be singing. Marc-Antoine will do it, he already told me. \[laughter\] |
**Erik St. Martin:** And also on the show we have Carlisia Pinto - say hello, Carlisia. |
**Carlisia Thompson:** Hi, everybody! |
**Erik St. Martin:** And as Brian just said, our special guest for today is Marc-Antoine Ruel. Now, do you wanna give everybody a little bit of background - who you are and what you're working on? Then we'll get into your project which was recently released, which is -- do you just call it Periph, or do you pronounce t... |
**Marc-Antoine Ruel:** Excellent question, I actually have no idea how to pronounce it. \[laughter\] |
**Brian Ketelsen:** He doesn't pronounce it because he never says it. |
**Marc-Antoine Ruel:** Exactly. So yeah, I'm Marc-Antoine, I've been working at Google for 10 years now. Before that I used to work with many different companies that failed in various ways. Interestingly, I work in Python most of my job, but I really like doing Go, so for personal projects I do Go projects. |
The one that has been the most popular is [panicparse](https://github.com/maruel/panicparse), which is a very simple tool to process stack traces. That's pretty much it. I live in the Ottawa region in Canada. It's a pretty nice region, I really love it here. |
**Erik St. Martin:** Excellent. |
**Brian Ketelsen:** We're all actually considering moving up to be near you, because we're all gonna lose our healthcare today. We hear Canada has a very nice healthcare system, is that true? |
**Marc-Antoine Ruel:** Yes. Well, actually, it has its own kinks, but it's really only -- |
**Carlisia Thompson:** But you have it... |
**Brian Ketelsen:** Yeah, but you have one. \[laughter\] |
**Marc-Antoine Ruel:** But the funny thing is only really today I realized that in the United States you cannot have chemotherapy for free, and it was such a given for me... It was like "Oh no, people actually die because they cannot afford treatments?" And yeah, it's just sad. |
In Canada the difference is that if you're rich you don't actually get to get that much healthcare, so yeah, there's different challenges. |
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