Arduino

[davehohl]

Is there any kind of support for the Arduino C/C++ compiler? I do not see any reference to Arduino in the online help. SE is flagging things like Serial and LED_BUILTIN as undefined symbols.

[patrick]

There's no built in support to automatically add the right headers for tagging based on what you're targeting.  You'd have to put the header files with the defs you're missing together in a tag file to get completions.  So, for the linux install of the arduino tooling here, 'Serial' is in /usr/share/arduino/hardware/arduino/cores/arduino/HardwareSerial.h, and LED_BUILTIN is in /usr/share/arduino/hardware/arduino/variants/mega/pins_arduino.h OR .../standard/pins_arduino.h, depending on your target.  (though it doesn't seem to make any practical difference for that particular symbol.)

[davehohl]

OK, thanks Patrick. I will try to get the tagging stuff figured out.

[mjdl]

One very useful feature is workspace specific C/C++ preprocessing files, which are kept at the workspace root in [workspace name]_cpp.h (and edited as such, or via Project-->Workspace Properties).

This means that workspace/toolchain specific macros can be kept out of the global usercpp.h file in the SE configuration folder (edited via Tools-->Options-->...-->C/C++ Preprocessing reducing any chance of conflicting definitions or having to unnecessarily change global preproccesing options with each different workspace. The workspace-specific file can also be imported into another workspace too, which simplifies things.

[davehohl]

In case anyone else is interested, on my Windows 10 install I found the include files in the following folders:

• C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino
• C:\Program Files (x86)\Arduino\hardware\arduino\avr\variants\standard

Adding these to the compiler definition and rebuilding the tag file did the trick.