Alternative IDE for compiling and running arduino code?

Question

I am not super experienced with c++ and I know that the syntax for C++ and the code written/compiled by the arduino IDE are slightly different.

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I would like to be able to write code, compile it the same way the arduino IDE does, and run it, without uploading it to a board.

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I dont need to test any code that interacts with any hardware. I simply want to be able to test basic syntax to make sure my concepts work before integrating with the full program.

I have written a few Arduino programs and I think the most complicated thing I've used were pointer functions, but I'd like to be able to test out code without needing to upload to a board for every change, while relying on Serial.print.

I have found alternatives that help with debugging and although that is helpful, I'd like to avoid the need to upload to a board every time I want to test changes for basic concepts

Answer 1

You can use any C++ IDE you like, best when bundled with a compiler, for example Code::Blocks. Assuming you're using Windows: A combination of a decent editor like Notepad++ and some good compiler chain like MinGW will do, too. If you absolutely have to you could also use MS Visual Studio, I don't bother.

Then create standard console programs with this main():

void setup();
void loop();

int main()
{
    setup();
    for (;;)
    {
        loop();
    }
}

And append your hardware-less Arduino code.

Answer 2

PlatformIO is a plugin for Visual Studio Code that has support for many embedded device, including most Arduinos