'ZephyrOS: how to add driver module to out of tree project

I haven't found a definitive info on how to add a driver module to out-of-tree Zephyr project, so I will provide the answer by my own.

zephyr-rtos


Solution 1:[1]

Changes:

CMakeLists.txt

+set(ZEPHYR_EXTRA_MODULES drivers/ololo)
find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})

prj.conf

+CONFIG_OLOLO=y

Kconfig

No changes

New files:

drivers/ololo/CMakeLists.txt

zephyr_library()
zephyr_library_sources_ifdef(CONFIG_OLOLO ololo.c)

drivers/ololo/Kconfig

menuconfig OLOLO
        bool "Ololo driver"
        default y
        select BLAH
        depends on MEH
        help
          Enable support for ololo driver

if OLOLO

module = OLOLO
module-str = ololo
source "subsys/logging/Kconfig.template.log_config"

endif

drivers/ololo/ololo.c

/* Code goes here */

drivers/ololo/zephyr/module.yml

build:
  cmake: .
  kconfig: Kconfig

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Andrejs Cainikovs

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