How do I compile and upload Arduino sketches from the command line on Mac and Linux? I've installed the Arduino programming environment. Are there some sample makefiles anywhere?
Arduino CLI is a command line tool that contains all you need to easily build applications around the Arduino ecosystem. Parse the JSON output of the CLI or implement it as an always-on service that accepts commands via a gRPC interface using your language of choice.
There are two ways to compile code using the Arduino IDE. You can click the tick-mark button at the top-left. That will begin the compilation. The compilation progress will be shown at the bottom of the screen.
There is a command-line Arduino toolkit named Ino. It just does that.
Compiling and uploading sketches (as apposed to C/C++ sources) on the command line (on Windows, Mac, and Linux) is supported directly via flags to the arduino executable since 1.5.0.
An ino can be compiled and uploaded with arduino --upload [sketch.ino]
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