src folder in sketch structure and include library from subfolder

Question

My Arduino/PlatformIO libraries folder

libraries
└── cleaner_robot
    └── TB6612_Dual
        ├── tb6612_dual.h
        └── tb6612_dual.cpp

I used this code to innclude it:

#include <TB6612_Dual/tb6612_dual.h>

But the compilation has errors like "undefinded variables, undefinded reference,...etc"

This is my sketch folder

Cleaner_Robot
└── src
    └── TB6612_Dual
        ├── tb6612_dual.cpp
        └── tb6612_dual.h

If i use this code, all is ok

#include "src/libs/TB6612_Dual/tb6612_dual.h"

So the question is how to include if header file is in a sub folder of a folder in libraries folder of Arduino/PlatformIO ?, i has searched for many things, but cant help. I also read about src folder allowed in Arduino, but where can find an official announcement/manual for this structure ?, cant find much about this

Thanks :)

You're using PlatformIO? Maybe you should ask on a PlatformIO forum? — Majenko
– Majenko, Commented Jul 21, 2019 at 10:35
arduino.cc/en/guide/libraries#toc5 -|- github.com/arduino/Arduino/wiki/… — Majenko
– Majenko, Commented Jul 21, 2019 at 10:36

asukiaaa · Accepted Answer · 2020-05-13 14:17:56Z

2

I could include header files in subfolder after including root header file.

#include <TB6612_Dual.h>
#include <TB6612_Dual/tb6612_dual.h>

TB6612_Dual
└── src
    ├── TB6612_Dual.h << Add this empty file.
    └── TB6612_Dual
        ├── tb6612_dual.cpp
        └── tb6612_dual.h

Examples:

edited May 13, 2020 at 14:17

answered May 13, 2020 at 14:11

asukiaaa

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