如何修复 ESP-IDF 组件错误:#include <driver/...>: No such file or directory

问题

编译包含自定义组件的 ESP-IDF 项目时,你可能会遇到以下错误:

QuickI2C.cpp
In file included from /home/uli/myproject/components/QuickI2C/QuickI2C/src/QuickI2C.cpp:1:
/home/uli/myproject/components/QuickI2C/QuickI2C/include/QuickI2C.h:21:10: fatal error: driver/i2c.h: No such file or directory
   21 | #include <driver/i2c.h>
      |          ^~~~~~~~~~~~~~
compilation terminated.

解决方案

编辑自定义组件的 CMakeLists.txt 文件,并在 idf_component_register 内添加以下语句:

component_CMakeLists_snippet.cmake
REQUIRES driver

示例 CMakeLists.txt

CMakeLists.txt
idf_component_register(SRCS "QuickI2C/src/QuickI2C.cpp"
                    INCLUDE_DIRS "QuickI2C/include"
                    REQUIRES driver)

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