audience statistics Embedded Systems

How to make a PCB with UV soldermask, rubber roller, 3D printer and UV light. Blender 3D stencil template and more details are available here: https://hackaday.io/project/186467-making-pcbs-with-3d-printed-stencil-and-uv-paint This process is pretty quick and doesn't require chemicals to develop the etching mask. However, it shouldn't be used for PCBs with fine-pitch components. 00:00 Introduction 00:36 Exporting DXF file 00:46 Blender template 01:50 Exporting STL file 02:04 3D slicing and printing 02:45 Post-processing 02:52 Preparing copper board 03:18 Stencil placement 03:38 UV mask application 04:08 Covering the board 04:20 UV exposure 04:53 Unexposed mask removal 05:10 Touchups 05:33 Etching 05:56 Drilling

Slides: https://github.com/boostcon CppNow Website: https://www.cppnow.org​ CppNow Twitter: @CppNow​ --- Message Handling in Embedded: a Declarative, Modern C++ Approach - Michael Caisse - CppNow 2022 A common characteristic of embedded systems is that they have a broad interface surface interacting with many distinct devices. Often the interfaces support a message passing protocol. This is true at the device to device level with implementations on I2C, SPI, and CAN as well as deeply embedded systems communicating within a chip package. Messages usually arrive asynchronously and need to be efficiently parsed. Often the structure and semantics of a message packet depend on the value of a series of bits within the message. In event driven designs, messages are filtered and routed to proper handlers. This talk will dive into a declarative approach to solving common problems with message handling: bit mapping fields, filtering, and dispatching to handlers. The solution is sensitive to small footprint embedded targets yet fairly flexible. We will build up the basic idioms employed in the solution, look at some language gotchas and options, and end our spelunking with a performance critique. While the application is for a deeply embedded device, the message handling is applicable to bit-field aggregated message formats and the techniques are useful in declarative libraries. I hope you will join me as we explore this C++17 library. --- Michael Caisse --- Videos Filmed & Edited By Bash Films https://bashfilms.com/ YouTube Channel Managed By Digital Medium Ltd: https://events.digital-medium.co.uk #Boost​ #Cpp​ #CppNow​

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#Boost​ #Cpp​ #CppNow​ Slides: https://github.com/boostcon CppNow Website: https://www.cppnow.org​ CppNow Twitter: @CppNow​ --- Top 5 Library Additions in C++23 - Jeff Garland - CppNow 2022 By the start of C++Now 2022 the committee will be within weeks of completing the C++23 draft. Despite the pandemic the C++ committee is continuing to work towards C++23. This survey presentation provides students with a broad overview of the changes and a deep dive on a few facilities. The first part of the talk will be an outline of all the C++23 library facilities -- in 23 minutes or less. From there we'll dive deep into 5 libraries as chosen by audience participation with approximately 13 minutes per topic. High probability topics based on prior presentations are: - std::format and std::print and range formatting - some presentation of range algos and range view topics - std::expected - standard modules The tutorial will be up to date with the latest working draft will include pointers to current implementations as well as the state of compiler support. --- Jeff Garland Jeff Garland has worked on many large-scale, distributed software projects over the past 30+ years. The systems span many different domains including telephone switching, industrial process control, satellite ground control, ip-based communications, and financial systems. He has written C++ networked code for several large systems including the development high performance network servers and data distribution frameworks.Mr. Garland’s interest in Boost started in 2000 as a user. Since then he has developed Boost.date_time, become a moderator, served as a review manager for several libraries (including asio and serialization), administered the Boost wiki, and served as a mentor for Google Summer of Code. Mr. Garland holds a Master’s degree in Computer Science from Arizona State University and a Bachelor of Science in Systems Engineering from the University of Arizona. He is co-author of Large Scale Software Architecture: A Practical Guide Using UML. He is currently Principal Consultant for his own company: CrystalClear Software, Inc. --- Videos Filmed & Edited By Bash Films https://bashfilms.com/ YouTube Channel Managed By Digital Medium Ltd: https://events.digital-medium.co.uk

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