Merge branch 'master' into pr/2181

1 files changed, 153 insertions, 0 deletions

diff --git a/examples/build_system/make/make.mk b/examples/build_system/make/make.mk
new file mode 100644
index 000000000..a78f4130d
--- /dev/null
+++ b/examples/build_system/make/make.mk
@@ -0,0 +1,153 @@
+# ---------------------------------------
+# Common make definition for all examples
+# ---------------------------------------
+
+#-------------------------------------------------------------
+# Toolchain
+# Can be changed via TOOLCHAIN=gcc|iar or CC=arm-none-eabi-gcc|iccarm|clang
+#-------------------------------------------------------------
+
+ifneq (,$(findstring clang,$(CC)))
+  TOOLCHAIN = clang
+else ifneq (,$(findstring iccarm,$(CC)))
+  TOOLCHAIN = iar
+else ifneq (,$(findstring gcc,$(CC)))
+  TOOLCHAIN = gcc
+endif
+
+# Default to GCC
+ifndef TOOLCHAIN
+  TOOLCHAIN = gcc
+endif
+
+#-------------- TOP and CURRENT_PATH ------------
+
+# Set TOP to be the path to get from the current directory (where make was invoked) to the top of the tree.
+# $(lastword $(MAKEFILE_LIST)) returns the name of this makefile relative to where make was invoked.
+THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
+
+# strip off /examples/build_system/make to get for example ../../..
+# and Set TOP to an absolute path
+TOP = $(abspath $(subst make.mk,../../..,$(THIS_MAKEFILE)))
+
+# Set CURRENT_PATH to the relative path from TOP to the current directory, ie examples/device/cdc_msc_freertos
+CURRENT_PATH = $(subst $(TOP)/,,$(abspath .))
+
+#-------------- Linux/Windows ------------
+
+# Detect whether shell style is windows or not
+# https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069
+ifeq '$(findstring ;,$(PATH))' ';'
+# PATH contains semicolon - so we're definitely on Windows.
+CMDEXE := 1
+
+# makefile shell commands should use syntax for DOS CMD, not unix sh
+# Force DOS command shell on Windows.
+SHELL := cmd.exe
+endif
+
+ifeq ($(CMDEXE),1)
+  CP = copy
+  RM = del
+  MKDIR = mkdir
+  PYTHON = python
+else
+  CP = cp
+  RM = rm
+  MKDIR = mkdir
+  PYTHON = python3
+endif
+
+
+# Build directory
+BUILD := _build/$(BOARD)
+
+PROJECT := $(notdir $(CURDIR))
+BIN := $(TOP)/_bin/$(BOARD)/$(notdir $(CURDIR))
+
+#-------------- Select the board to build for. ------------
+
+# Board without family
+ifneq ($(wildcard $(TOP)/hw/bsp/$(BOARD)/board.mk),)
+  BOARD_PATH := hw/bsp/$(BOARD)
+  FAMILY :=
+endif
+
+# Board within family
+ifeq ($(BOARD_PATH),)
+  BOARD_PATH := $(subst $(TOP)/,,$(wildcard $(TOP)/hw/bsp/*/boards/$(BOARD)))
+  FAMILY := $(word 3, $(subst /, ,$(BOARD_PATH)))
+  FAMILY_PATH = hw/bsp/$(FAMILY)
+endif
+
+ifeq ($(BOARD_PATH),)
+  $(info You must provide a BOARD parameter with 'BOARD=')
+  $(error Invalid BOARD specified)
+endif
+
+ifeq ($(FAMILY),)
+  include $(TOP)/hw/bsp/$(BOARD)/board.mk
+else
+  # Include Family and Board specific defs
+  include $(TOP)/$(FAMILY_PATH)/family.mk
+  SRC_C += $(subst $(TOP)/,,$(wildcard $(TOP)/$(FAMILY_PATH)/*.c))
+endif
+
+#-------------- Source files and compiler flags --------------
+# tinyusb makefile
+include $(TOP)/src/tinyusb.mk
+SRC_C += $(TINYUSB_SRC_C)
+
+# Include all source C in family & board folder
+SRC_C += hw/bsp/board.c
+SRC_C += $(subst $(TOP)/,,$(wildcard $(TOP)/$(BOARD_PATH)/*.c))
+
+INC += \
+  $(TOP)/$(FAMILY_PATH) \
+  $(TOP)/src \
+
+BOARD_UPPER = $(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$(subst -,_,$(BOARD))))))))))))))))))))))))))))
+CFLAGS += -DBOARD_$(BOARD_UPPER)
+
+# use max3421 as host controller
+ifeq (${MAX3421_HOST},1)
+  SRC_C += src/portable/analog/max3421/hcd_max3421.c
+  CFLAGS += -DCFG_TUH_MAX3421=1
+  CMAKE_DEFSYM +=	-DMAX3421_HOST=1
+endif
+
+# Log level is mapped to TUSB DEBUG option
+ifneq ($(LOG),)
+  CMAKE_DEFSYM +=	-DLOG=$(LOG)
+  CFLAGS += -DCFG_TUSB_DEBUG=$(LOG)
+endif
+
+# Logger: default is uart, can be set to rtt or swo
+ifneq ($(LOGGER),)
+  CMAKE_DEFSYM +=	-DLOGGER=$(LOGGER)
+endif
+
+ifeq ($(LOGGER),rtt)
+  CFLAGS += -DLOGGER_RTT -DSEGGER_RTT_MODE_DEFAULT=SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL
+  RTT_SRC = lib/SEGGER_RTT
+  INC   += $(TOP)/$(RTT_SRC)/RTT
+  SRC_C += $(RTT_SRC)/RTT/SEGGER_RTT.c
+else ifeq ($(LOGGER),swo)
+  CFLAGS += -DLOGGER_SWO
+endif
+
+# CPU specific flags
+ifdef CPU_CORE
+  include ${TOP}/examples/build_system/make/cpu/$(CPU_CORE).mk
+endif
+
+# toolchain specific
+include ${TOP}/examples/build_system/make/toolchain/arm_$(TOOLCHAIN).mk
+
+# Handy check parameter function
+check_defined = \
+    $(strip $(foreach 1,$1, \
+    $(call __check_defined,$1,$(strip $(value 2)))))
+__check_defined = \
+    $(if $(value $1),, \
+    $(error Undefined make flag: $1$(if $2, ($2))))