Some questions about using PlatformIO for arduino

[wgt]

Hi, PlatformIO is great and easy to use, but I’m puzzled with the following questions:

1. There are some examples in my arduino installion path, as the picture illustruated:
   
   Are there similar examples in arduino-framwork of PlatformIO?

2. There are some libraries in my arduino installion path, as the picture illustruated:
   
   And I also find that there are some libraries which installed by PlatformIO, as the picture illustrated:
   

   
   
   Does the libraries arduino used agree with PlatformIO used? I’m puzzled with it, because only .h file exists in the library PlatformIO used, where is the .cpp file? For example:
   

3. If I want to add an arduino library to PlatformIO, is there some step by step tutorials?(youtube has been blocked in my country)

Can you help me?
Best regards.

[maxgerhardt]

@wgt

I’m puzzled with it, because only .h file exists in the library PlatformIO used, where is the .cpp file?

This is a header-only library, which is perfectly valid C++. Doesn’t need to be implemented in a .cpp file. See the official core implementation: ArduinoCore-avr/libraries/EEPROM/src at master · arduino/ArduinoCore-avr · GitHub

@wgt

youtube has been blocked in my country

RIP

@wgt

If I want to add an arduino library to PlatformIO, is there some step by step tutorials

PIO can use Arduino libraries just fine, just put the arduino library folder into the lib/ folder of your project, or use the global library storage PlatformIO Registry and include them via the LDF (library dependency finder) directives, see documentation.

[wgt]

Hi, maxgerhardt,
Thank you for giving me the detailed instructions.