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authorskullY <skullydazed@gmail.com>2018-08-11 11:16:21 -0700
committerJack Humbert <jack.humb@gmail.com>2018-08-11 15:19:08 -0400
commit98b16b3294e4b04e6621daba8cff07fbd982f335 (patch)
tree90ad7427a7923e6efb2bf6320539b688017425c9
parent85659ae5e1b41af4889f154dcc47d4bc9c1f0a19 (diff)
Comment and organize build_keyboard.mk a bit
-rw-r--r--build_keyboard.mk81
1 files changed, 53 insertions, 28 deletions
diff --git a/build_keyboard.mk b/build_keyboard.mk
index b25712385c..9f6c42ea15 100644
--- a/build_keyboard.mk
+++ b/build_keyboard.mk
@@ -1,3 +1,9 @@
+# Determine what keyboard we are building and setup the build environment.
+#
+# We support folders up to 5 levels deep below `keyboards/`. This file is
+# responsible for determining which folder is being used and doing the
+# corresponding environment setup.
+
ifndef VERBOSE
.SILENT:
endif
@@ -6,26 +12,15 @@ endif
include common.mk
-# 5/4/3/2/1
-KEYBOARD_FOLDER_PATH_1 := $(KEYBOARD)
-KEYBOARD_FOLDER_PATH_2 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_1)))
-KEYBOARD_FOLDER_PATH_3 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_2)))
-KEYBOARD_FOLDER_PATH_4 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_3)))
-KEYBOARD_FOLDER_PATH_5 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_4)))
-KEYBOARD_FOLDER_1 := $(notdir $(KEYBOARD_FOLDER_PATH_1))
-KEYBOARD_FOLDER_2 := $(notdir $(KEYBOARD_FOLDER_PATH_2))
-KEYBOARD_FOLDER_3 := $(notdir $(KEYBOARD_FOLDER_PATH_3))
-KEYBOARD_FOLDER_4 := $(notdir $(KEYBOARD_FOLDER_PATH_4))
-KEYBOARD_FOLDER_5 := $(notdir $(KEYBOARD_FOLDER_PATH_5))
-
+# Set the filename for the final firmware binary
KEYBOARD_FILESAFE := $(subst /,_,$(KEYBOARD))
-
TARGET ?= $(KEYBOARD_FILESAFE)_$(KEYMAP)
KEYBOARD_OUTPUT := $(BUILD_DIR)/obj_$(KEYBOARD_FILESAFE)
# Force expansion
TARGET := $(TARGET)
+# For split boards we need to set a master half.
MASTER ?= left
ifdef master
MASTER = $(master)
@@ -39,35 +34,58 @@ $(error MASTER does not have a valid value(left/right))
endif
endif
+# Determine which subfolders exist.
+KEYBOARD_FOLDER_PATH_1 := $(KEYBOARD)
+KEYBOARD_FOLDER_PATH_2 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_1)))
+KEYBOARD_FOLDER_PATH_3 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_2)))
+KEYBOARD_FOLDER_PATH_4 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_3)))
+KEYBOARD_FOLDER_PATH_5 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_4)))
+KEYBOARD_FOLDER_1 := $(notdir $(KEYBOARD_FOLDER_PATH_1))
+KEYBOARD_FOLDER_2 := $(notdir $(KEYBOARD_FOLDER_PATH_2))
+KEYBOARD_FOLDER_3 := $(notdir $(KEYBOARD_FOLDER_PATH_3))
+KEYBOARD_FOLDER_4 := $(notdir $(KEYBOARD_FOLDER_PATH_4))
+KEYBOARD_FOLDER_5 := $(notdir $(KEYBOARD_FOLDER_PATH_5))
KEYBOARD_PATHS :=
-
KEYBOARD_PATH_1 := keyboards/$(KEYBOARD_FOLDER_PATH_1)
KEYBOARD_PATH_2 := keyboards/$(KEYBOARD_FOLDER_PATH_2)
KEYBOARD_PATH_3 := keyboards/$(KEYBOARD_FOLDER_PATH_3)
KEYBOARD_PATH_4 := keyboards/$(KEYBOARD_FOLDER_PATH_4)
KEYBOARD_PATH_5 := keyboards/$(KEYBOARD_FOLDER_PATH_5)
-ifneq ("$(wildcard $(KEYBOARD_PATH_5)/rules.mk)","")
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/)","")
KEYBOARD_PATHS += $(KEYBOARD_PATH_5)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_4)/)","")
+ KEYBOARD_PATHS += $(KEYBOARD_PATH_4)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_3)/)","")
+ KEYBOARD_PATHS += $(KEYBOARD_PATH_3)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_2)/)","")
+ KEYBOARD_PATHS += $(KEYBOARD_PATH_2)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_1)/)","")
+ KEYBOARD_PATHS += $(KEYBOARD_PATH_1)
+endif
+
+# Pull in rules.mk files from all our subfolders
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/rules.mk)","")
include $(KEYBOARD_PATH_5)/rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_4)/rules.mk)","")
- KEYBOARD_PATHS += $(KEYBOARD_PATH_4)
include $(KEYBOARD_PATH_4)/rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_3)/rules.mk)","")
- KEYBOARD_PATHS += $(KEYBOARD_PATH_3)
include $(KEYBOARD_PATH_3)/rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_2)/rules.mk)","")
- KEYBOARD_PATHS += $(KEYBOARD_PATH_2)
include $(KEYBOARD_PATH_2)/rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_1)/rules.mk)","")
- KEYBOARD_PATHS += $(KEYBOARD_PATH_1)
include $(KEYBOARD_PATH_1)/rules.mk
endif
+# Find all the C source files to be compiled in subfolders.
KEYBOARD_SRC :=
KEYBOARD_C_1 := $(KEYBOARD_PATH_1)/$(KEYBOARD_FOLDER_1).c
@@ -95,6 +113,15 @@ endif
OPT_DEFS += -DKEYBOARD_$(KEYBOARD_FILESAFE)
+# Setup the define for QMK_KEYBOARD_H. This is used inside of keymaps so
+# that the same keymap may be used on multiple keyboards.
+#
+# We grab the most top-level include file that we can. That file should
+# use #ifdef statements to include all the neccesary subfolder includes,
+# as described here:
+#
+# https://docs.qmk.fm/#/feature_layouts?id=tips-for-making-layouts-keyboard-agnostic
+#
ifneq ("$(wildcard $(KEYBOARD_PATH_1)/$(KEYBOARD_FOLDER_1).h)","")
QMK_KEYBOARD_H = $(KEYBOARD_FOLDER_1).h
endif
@@ -111,13 +138,15 @@ ifneq ("$(wildcard $(KEYBOARD_PATH_5)/$(KEYBOARD_FOLDER_5).h)","")
QMK_KEYBOARD_H = $(KEYBOARD_FOLDER_5).h
endif
-# We can assume a ChibiOS target When MCU_FAMILY is defined , since it's not used for LUFA
+# Determine and set parameters based on the keyboard's processor family.
+# We can assume a ChibiOS target When MCU_FAMILY is defined since it's
+# not used for LUFA
ifdef MCU_FAMILY
- FIRMWARE_FORMAT=bin
+ FIRMWARE_FORMAT?=bin
PLATFORM=CHIBIOS
else
PLATFORM=AVR
- FIRMWARE_FORMAT=hex
+ FIRMWARE_FORMAT?=hex
endif
ifeq ($(PLATFORM),CHIBIOS)
@@ -148,6 +177,7 @@ ifeq ($(PLATFORM),CHIBIOS)
endif
endif
+# Find all of the config.h files and add them to our CONFIG_H define.
CONFIG_H :=
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/config.h)","")
CONFIG_H += $(KEYBOARD_PATH_5)/config.h
@@ -203,7 +233,7 @@ else
# this state should never be reached
endif
-# User space stuff
+# Userspace setup and definitions
ifeq ("$(USER_NAME)","")
USER_NAME := $(KEYMAP)
endif
@@ -283,11 +313,6 @@ $(KEYBOARD_OUTPUT)_CONFIG := $(PROJECT_CONFIG)
# Default target.
all: build check-size
-
-# Change the build target to build a HEX file or a library.
build: elf cpfirmware
-#build: elf hex eep lss sym
-#build: lib
-
include $(TMK_PATH)/rules.mk