blasco · March 4, 2015 11:39 · Mar 4, 2015
diff --git a/Makefile b/Makefile
@@ -0,0 +1,94 @@
+PRJ_NAME = arion
+MCU ?= atmega2560
+debug ?= false
+# -- Global variables --
+# Enviroment variables that must be set:
+# AVR_HOME = path to the avr toolchain
+# BOARD_PORT = connected board port
+ATMEGA_TOOLCHAIN := $(AVR_HOME)/bin
+# -- GNU Tools --
+AS := $(ATMEGA_TOOLCHAIN)/avr-as # Assembler
+AR := $(ATMEGA_TOOLCHAIN)/avr-ar # Archiver
+CC := $(ATMEGA_TOOLCHAIN)/avr-gcc # C Compiler
+CXX := $(ATMEGA_TOOLCHAIN)/avr-g++ # C++ Compiler
+OBJCOPY := $(ATMEGA_TOOLCHAIN)/avr-objcopy # Obj copy
+OBJDUMP := $(ATMEGA_TOOLCHAIN)/avr-objdump # Obj dump
+READELF := $(ATMEGA_TOOLCHAIN)/avr-readelf # Read elf
+AVRDUDE := $(ATMEGA_TOOLCHAIN)/avrdude # To load programs into the boards
+AVR_DEFINITIONS := -DATMEGA
+ifeq (atmega328p, $(MCU))
+    PLATFROM_DEFINITIONS := $(AVR_DEFINITIONS) -DATMEGA328P -DF_CPU=16000000L
+    PLATFORM_FLAGS := -mmcu=atmega328p
+	PROG_PROTOCOL ?= arduino
+	PORT ?= $(BOARD_PORT)
+endif
+ifeq (atmega2560, $(MCU))
+    PLATFROM_DEFINITIONS := $(AVR_DEFINITIONS) -DATMEGA2560 -DF_CPU=16000000L
+    PLATFORM_FLAGS := -mmcu=atmega2560
+	PROG_PROTOCOL ?= wiring
+	PORT ?= $(BOARD_PORT)
+endif
+# -- Folder structure --
+ROOT_DIR := ../..
+SRC_DIR := $(ROOT_DIR)/src
+CODE_DIR := $(SRC_DIR)/code
+OUT_DIR := $(ROOT_DIR)/bin/$(MCU)
+OUT_NAME := $(OUT_DIR)/$(PRJ_NAME)
+OUTPUT := $(OUT_NAME).hex
+# Make does not offer a recursive wildcard function, so here's one:
+rwildcard=$(wildcard $1$2) $(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2))
+
+CXX_SRC := $(call rwildcard,$(CODE_DIR)/,*.cpp)
+CXX_OBJ := $(patsubst %.cpp, %.cpp.o, $(CXX_SRC))
+
+TEMP_FILES := $(CXX_OBJ)
+
+# -- Build variables --
+PREPROCESSOR_DEFINITIONS := $(PLATFROM_DEFINITIONS)
+WARNING_FLAGS := -Wall -Werror
+INCLUDE_FLAGS := -I$(CODE_DIR) -I$(CODE_DIR)/stl
+CXX_COMPILE_FLAGS := -std=c++0x -fno-rtti -fno-exceptions -ffunction-sections -fdata-sections
+# TODO: May be useful to turn -fno-enforce-eh-specs on for production builds
+ifeq (true, $(debug))
+	DEBUG_FLAGS := -g -D_DEBUG
+	OPTIMIZATION_FLAGS := # -O4
+endif
+ifeq (false ,$(debug))
+	DEBUG_FLAGS := #-g
+	OPTIMIZATION_FLAGS := -O4
+endif
+COMMON_C_FLAGS := $(PLATFORM_FLAGS) $(PREPROCESSOR_DEFINITIONS) $(WARNING_FLAGS)\
+ 			 $(INCLUDE_FLAGS) $(DEBUG_FLAGS) $(OPTIMIZATION_FLAGS)
+CC_FLAGS := $(COMMON_C_FLAGS)
+CXX_FLAGS := $(COMMON_C_FLAGS) $(CXX_COMPILE_FLAGS)
+
+# -- Rules --
+all: $(OUTPUT)
+
+clean:
+	rm -f $(OUTPUT) $(TEMP_FILES) $(OUT_NAME).elf
+
+run: $(OUTPUT)
+	$(AVRDUDE) -p$(MCU) -c$(PROG_PROTOCOL) -b115200 -P$(PORT) -D -Uflash:w:$^:i
+
+%.hex: %.elf
+	$(OBJCOPY) -O ihex -R .eeprom -R .fuse -R .lock -R .signature $^ $@
+
+$(OUT_NAME).elf: $(CXX_SRC)
+	$(CXX) -o $@ $^ $(CXX_FLAGS) $(REV_INCLUDE) $(LIB_DIR)
+
+readelf: $(OUT_NAME).elf
+	$(READELF) -a $^
+
+dump: $(OUT_NAME).elf
+	$(OBJDUMP) -h $^
+
+dwarf: $(OUT_NAME).elf
+	$(OBJDUMP) --dwarf=info $^
+
+assebly: (OUT_NAME).S
+
+$(OUT_NAME).S: $(CXX_SRC)
+	$(CXX) -S -o $@ $^ $(CXX_FLAGS)
+
+.PHONY: readelf run clean