VS Arduino - Adding library doesn't work if sketch not an ino

Apr 23^rd, 2024 at 2:00pm (UTC)

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VS Arduino › Visual Micro › Installation & Troubleshooting › Adding library doesn't work if sketch not an ino

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Adding library doesn't work if sketch not an ino (Read 4559 times)

Acuario Full Member Offline Posts: 233 Location: Spain Joined: Aug 28^th, 2015	Adding library doesn't work if sketch not an ino Jan 21^st, 2020 at 6:03am	Print Post
	If the solution uses a .cpp and .h file instead of a .ino file then adding libraries does not work. i.e. Project contains: Sketch1.ino (file with just comments) Sketch1.cpp (file with main and loop) Sketch1.h (header files) Adding a library (either user defined or built in) sets the focus on the .ino file but no headers are added. When the project is an .ino file everything works correctly.


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Tim@Visual Micro Administrator Offline Posts: 12076 Location: United Kingdom Joined: Apr 10^th, 2010	Re: Adding library doesn't work if sketch not an ino Reply #1 - Jan 21^st, 2020 at 1:21pm	Print Post
	Your report is not clear. The project must have a project_name.ino for Visual micro to work. If you uses a project_name.cpp you still need the .ino even if it is empty. When using a cpp adding a library will add to the .ino but the compiler will ignore. The .ino can then be treated simply as an example of what you need to do. For general .cpp and .h files you need to add the #includes yourself, this operates the same way that the arduino ide operates.


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Acuario Full Member Offline Posts: 233 Location: Spain Joined: Aug 28^th, 2015	Re: Adding library doesn't work if sketch not an ino Reply #2 - Jan 21^st, 2020 at 1:55pm	Print Post
	I'll try to clarify: The project has 3 files: project_name.ino project_name.cpp project_name.h project_name.ino is only comments, no code project_name.cpp contains the functions main() and loop() project_name.h contains #include "arduino.h" When I add a library using the vMicro Add Library menu the header is not added to the .ino or the .h. The .ino is opened in a new tab (if it isn't already opened) or focus is changed to the .ino if it is open but nothing is added. I'm sure in previous versions this worked and the library header was added (even if I then had to move it to the .h file). If I have just project_name.ino then the header is correctly added to the .ino file.
	« Last Edit: Jan 21^st, 2020 at 1:56pm by Acuario »

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Tim@Visual Micro Administrator Offline Posts: 12076 Location: United Kingdom Joined: Apr 10^th, 2010	Re: Adding library doesn't work if sketch not an ino Reply #3 - Jan 21^st, 2020 at 4:16pm	Print Post
	When you use a .cpp override you have to add #includes yourself because you have elected to have full control. However the compiler should continue to resolve the libraries and build correctly. The serial debugger will also no longer work. Does this make sense? Is there a reason you have dumped the .ino?


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Acuario Full Member Offline Posts: 233 Location: Spain Joined: Aug 28^th, 2015	Re: Adding library doesn't work if sketch not an ino Reply #4 - Jan 21^st, 2020 at 4:35pm	Print Post
	Ok, yes makes sense. My reason for dumping the .ino is that it's a big project and for maintainability it is easier. I suppose I can add the .ino back in and just use it as a stub to call other functions. The functionality I would have expected when adding a header using vm would have been either add the header file to the .ino or to the .h with the same project name. It was a bit disconcerting for vm to go through all the steps and then for nothing to appear.


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Tim@Visual Micro Administrator Offline Posts: 12076 Location: United Kingdom Joined: Apr 10^th, 2010	Re: Adding library doesn't work if sketch not an ino Reply #5 - Jan 21^st, 2020 at 4:43pm	Print Post
	Understood but that isn't how arduino works. It's also difficult to work out in a .cpp where to add the includes, whereas an .ino has simpler format so the includes just go before the first line of code. All there is to adding a library is the #include which is why visual micro continues to add them to the .ino so that you can see what to copy into your .cpp As you say most code can go in a .cpp but with different name or your project_name.cpp might be same as .ino in which case keep the .h and the .ino but dump the .cpp


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