Arduino Nano/Uno and js sketch compiling/uploading from browser

Question

I need to compile generated source code in js runtime then upload it to my device.

Compiling:

I have found arduino-cli

Uploading:

There is only avrgirl but it doesn't work in browser. What should I do?

• chrisl: Arduinos cannot be programmend in Nodejs. You need to write C/C++ or Assembler.
• caxapexac: @chrisl, it's not about programming (code is c-generated one) it's about calling compiler from js
• chrisl: Ah, ok. But you can also upload sketches with arduino-cli. If you can use it, you can also upload sketches

Answer 1

You can't, and that's a good thing. If the browser could let a Web site access your hardware, that would be a huge security breach. You may be able to bypass this security restriction if you can write an extension (plugin) for your browser.

• caxapexac: Okay then I will use extension for hex code uploading. Then how can I compile it using only in-browser js?
• caxapexac: I mean: source code -> String -> Compiler -> Hex-string -> Extension -> Uploading
• Edgar Bonet: @caxapexac: Building a C++ compiler in JavaScript is not a trivial task. You may try to port avr-g++ using Emscripten.
• chrisl: Seems for me a weird way to do everything in the browser. Normally in such a situation you are actually building a web service, so the compilation could be done server side by calling avr-g++ or arduino-cli through the nodejs code. Then you only would need to encapsule arduino-cli in an extention for uploading on the local computer
• M lab: I modify the code from js-stk500 to work from browser with web serial API. but I can't makr Arduino CLI to work in browser. Is that possible?