Random progress on board + kscan ideas.

CMakeLists.txt

@@ -1,40 +1,17 @@
 # Find Zephyr. This also loads Zephyr's build system.
 cmake_minimum_required(VERSION 3.13.1)
-find_package(Zephyr)
+
+list(APPEND BOARD_ROOT .)
 
 get_filename_component(ZEPHYR_RUST ${CMAKE_CURRENT_SOURCE_DIR}/zephyr-rust ABSOLUTE)
 list(APPEND ZEPHYR_EXTRA_MODULES ${ZEPHYR_RUST})
 
+include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
+find_package(Zephyr)
+
 project(zmk)
 
 # Add your source file to the "app" target. This must come after
 # find_package(Zephyr) which defines the target.
 target_sources(app PRIVATE src/main.c)
 
-include(ExternalProject)
-
-# Add rust_example as a CMake target
-ExternalProject_Add(
-    zmk_crate
-    DOWNLOAD_COMMAND ""
-    CONFIGURE_COMMAND ""
-    BUILD_COMMAND cargo build --target thumbv7m-none-eabi COMMAND cargo build --release --target thumbv7m-none-eabi
-    BINARY_DIR "${CMAKE_SOURCE_DIR}/zmk"
-    INSTALL_COMMAND ""
-    BUILD_BYPRODUCTS "${CMAKE_SOURCE_DIR}/zmk/target/thumbv7m-none-eabi/release/libzmk.a"
-    LOG_BUILD ON)
-
-# Create a wrapper CMake library that our app can link with
-add_library(zmk_lib STATIC IMPORTED GLOBAL)
-add_dependencies(
-  zmk_lib
-  zmk_crate
-  )
-
-set_target_properties(zmk_lib PROPERTIES IMPORTED_LOCATION ${CMAKE_SOURCE_DIR}/zmk/target/thumbv7m-none-eabi/release/libzmk.a)
-# target_link_libraries(zmk_lib
-# debug "${CMAKE_SOURCE_DIR}/target/debug/zmk.a"
-# optimized "${CMAKE_SOURCE_DIR}/target/release/zmk.a")
-
-target_link_libraries(app PUBLIC zmk_lib)
-