zmk/app/boards/post_boards_shields.cmake

101 lines
4.1 KiB
CMake

# TODO: Check for env or command line "ZMK_CONFIG" setting.
# * That directory should load
# * defconfigs,
# * .conf file,
# * single overlay,
# * or per board/shield.
list(APPEND KEYMAP_DIRS ${BOARD_DIR})
get_filename_component(BOARD_DIR_NAME ${BOARD_DIR} NAME)
# Give a shield like `kyria_rev2_left` we want to use `kyria_rev2` and `kyria` as candidate names for
# overlay/conf/keymap files.
if(DEFINED SHIELD)
list(APPEND KEYMAP_DIRS ${SHIELD_DIRS})
foreach(s ${SHIELD_AS_LIST})
if (DEFINED SHIELD_DIR_${s})
get_filename_component(shield_dir_name ${SHIELD_DIR_${s}} NAME)
list(APPEND shield_candidate_names ${shield_dir_name})
endif()
string(REPLACE "_" ";" S_PIECES ${s})
list(LENGTH S_PIECES S_PIECES_LEN)
while(NOT S_PIECES STREQUAL "")
list(POP_BACK S_PIECES)
list(JOIN S_PIECES "_" s_substr)
if ("${s_substr}" STREQUAL "" OR "${s_substr}" STREQUAL "${shield_dir_name}")
break()
endif()
list(APPEND shield_candidate_names ${s_substr})
endwhile()
endforeach()
endif()
if (ZMK_CONFIG)
if (EXISTS ${ZMK_CONFIG})
message(STATUS "ZMK Config directory: ${ZMK_CONFIG}")
list(PREPEND KEYMAP_DIRS "${ZMK_CONFIG}")
if (DEFINED SHIELD)
foreach (s ${shield_candidate_names} ${SHIELD_AS_LIST})
if (DEFINED ${SHIELD_DIR_${s}})
get_filename_component(shield_dir_name ${SHIELD_DIR_${s}} NAME)
endif()
list(APPEND overlay_candidates "${ZMK_CONFIG}/${s}_${BOARD}.overlay")
list(APPEND overlay_candidates "${ZMK_CONFIG}/${s}.overlay")
if (NOT "${shield_dir_name}" STREQUAL "${s}")
list(APPEND config_candidates "${ZMK_CONFIG}/${shield_dir_name}_${BOARD}.conf")
list(APPEND config_candidates "${ZMK_CONFIG}/${shield_dir_name}.conf")
endif()
list(APPEND config_candidates "${ZMK_CONFIG}/${s}_${BOARD}.conf")
list(APPEND config_candidates "${ZMK_CONFIG}/${s}.conf")
endforeach()
endif()
# TODO: Board revisions?
list(APPEND overlay_candidates "${ZMK_CONFIG}/${BOARD_DIR_NAME}.overlay")
list(APPEND overlay_candidates "${ZMK_CONFIG}/${BOARD}.overlay")
list(APPEND overlay_candidates "${ZMK_CONFIG}/default.overlay")
list(APPEND config_candidates "${ZMK_CONFIG}/${BOARD_DIR_NAME}.conf")
list(APPEND config_candidates "${ZMK_CONFIG}/${BOARD}.conf")
list(APPEND config_candidates "${ZMK_CONFIG}/default.conf")
foreach(overlay ${overlay_candidates})
if (EXISTS "${overlay}")
message(STATUS "ZMK Config devicetree overlay: ${overlay}")
list(APPEND shield_dts_files "${overlay}")
break()
endif()
endforeach()
foreach(conf ${config_candidates})
if (EXISTS "${conf}")
message(STATUS "ZMK Config Kconfig: ${conf}")
list(APPEND shield_conf_files "${conf}")
endif()
endforeach()
else()
message(WARNING "Unable to locate ZMK config at: ${ZMK_CONFIG}")
endif()
endif()
if(NOT KEYMAP_FILE)
message("${NORMALIZED_BOARD_TARGET} for ${NORMALIZED_BOARD_QUALIFIERS} for ${BOARD} with version ${BOARD_REVISION}")
foreach(keymap_dir ${KEYMAP_DIRS})
foreach(keymap_prefix ${shield_candidate_names} ${SHIELD_AS_LIST} ${SHIELD_DIR} "${BOARD}_${BOARD_REVISION_STRING}" ${BOARD} ${BOARD_DIR_NAME})
if (EXISTS ${keymap_dir}/${keymap_prefix}.keymap)
set(KEYMAP_FILE "${keymap_dir}/${keymap_prefix}.keymap" CACHE STRING "Selected keymap file")
message(STATUS "Using keymap file: ${KEYMAP_FILE}")
set(EXTRA_DTC_OVERLAY_FILE ${KEYMAP_FILE})
break()
endif()
endforeach()
endforeach()
else()
message(STATUS "Using keymap file: ${KEYMAP_FILE}")
set(EXTRA_DTC_OVERLAY_FILE ${KEYMAP_FILE})
endif()
if (NOT KEYMAP_FILE)
message(WARNING "Failed to locate keymap file!")
endif()