VS Arduino - Header files not added to project when using .cpp for setup and loop

Apr 19^th, 2024 at 11:49pm (UTC)

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VS Arduino › Visual Micro › Installation & Troubleshooting › Header files not added to project when using .cpp for setup and loop

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Header files not added to project when using .cpp for setup and loop (Read 2533 times)

Acuario Full Member Offline Posts: 233 Location: Spain Joined: Aug 28^th, 2015	Header files not added to project when using .cpp for setup and loop Jan 15^th, 2018 at 7:24am	Print Post
	In a simple project with an .ino file adding a library adds the header files to the .ino file (as expected). If I create a .cpp and .h file for my project and move the setup and loop code to the .cpp file (just leaving the .ino with comments) then when I add a library no header files are added.


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Tim@Visual Micro Administrator Offline Posts: 12076 Location: United Kingdom Joined: Apr 10^th, 2010	Re: Header files not added to project when using .cpp for setup and loop Reply #1 - Jan 15^th, 2018 at 12:32pm	Print Post
	That is correct. When you use cpp you are expected to add your own includes. Arduino and Visual Micro only add library includes automatically to .ino file. If your .cpp is the same name as the .ino then the .ino is ignored during compliation. In this case you also need to add your own cpp prototypes and the arduino.h include.


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Acuario Full Member Offline Posts: 233 Location: Spain Joined: Aug 28^th, 2015	Re: Header files not added to project when using .cpp for setup and loop Reply #2 - Jan 15^th, 2018 at 12:46pm	Print Post
	Ok, thanks then it is by design. For interest how does the build system path get updated in this case? Does it happen with the deep search includes or does it need to be done manually?


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Tim@Visual Micro Administrator Offline Posts: 12076 Location: United Kingdom Joined: Apr 10^th, 2010	Re: Header files not added to project when using .cpp for setup and loop Reply #3 - Jan 15^th, 2018 at 6:56pm	Print Post
	Yes as long as you #include using normal arduino lib syntax (without path) the build system and deep search will find the libraries from the cpp files. General rule: It's okay to use cpp files but don't have one with the same name as the project and don't move the setup/loop out of the project_name.ino. It becomes more of a .cpp project than an arduino project if you don't follow this rule. The debugger won't work if you are using that.


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