[fnordlicht-mini] / firmware / fnordlicht-bootloader / Makefile

####################################################
# fnordlicht-ng Makefile
####################################################

# ATTENTION:
# Any of these variables are overridden with the values from the file
# "config.mk", you can tune your settings there.  The file "config.mk" is not
# under version control.
# Just run 'make' to create a "config.mk" with the default settings

# hardware type, possible values (default is unset):
# ATTENTION: please configure in config.mk, this is just included here for reference!
# - fnordlicht -- original fnordlicht hardware
# - fnordlichtmini -- fnordlichtmini hardware
#HARDWARE = fnordlicht

# controller
MCU = atmega8

# frequency
F_CPU = 16000000UL

# main application name (without .hex)
# eg 'test' when the main function is defined in 'test.c'
TARGET = fboot

# c sourcecode files
# eg. 'test.c foo.c foobar/baz.c'
SRC = $(wildcard *.c)

# asm sourcecode files
# eg. 'interrupts.S foobar/another.S'
ASRC = $(wildcard *.S)

# headers which should be considered when recompiling
# eg. 'global.h foobar/important.h'
HEADERS = $(wildcard *.h)

# include directories (used for both, c and asm)
# eg '. usbdrv/'
INCLUDES =


# use more debug-flags when compiling
DEBUG = 0

# default baudrate
CONFIG_SERIAL_BAUDRATE = 19200

# avrdude programmer protocol
PROG = usbasp
# avrdude programmer device
DEV = usb
# further flags for avrdude
AVRDUDE_FLAGS =

CFLAGS += -DHARDWARE_$(HARDWARE)=1
CFLAGS += -DCONFIG_SERIAL_BAUDRATE=$(CONFIG_SERIAL_BAUDRATE)

# use a custom linker script
LDFLAGS += -L$(CURDIR)/ldscripts

.PHONY: all

# main make target (moved up here because of the config.mk target)
all: $(TARGET).hex

# create config.mk (if it does not exist yet)
$(CURDIR)/config.mk:
	@$(CP) config.mk.template config.mk
	@echo "===================================================="
	@echo "created file $@"
	@echo 'please tune your settings (especially $$HARDWARE)'
	@echo "there, then run 'make' again"
	@echo "===================================================="
	@exit 1

# include config file
-include $(CURDIR)/config.mk

# bootloader section start
# (see datasheet)
ifeq ($(MCU),atmega8)
	# atmega8 with 1024 words bootloader:
	# bootloader section starts at 0xc00 (word-address) == 0x1800 (byte-address)
	#BOOT_SECTION_START = 0x1800
	#
	# atmega8 with 512 words bootloader:
	# bootloader section starts at 0xe00 (word-address) == 0x1c00 (byte-address)
	BOOT_SECTION_START = 0x1c00
	# 7kb data memory (raw memory minus bootloader space)
	DATA_MEM = 7

	# use custom linker script
	LDFLAGS += -T avr4.x
endif
ifeq ($(MCU),atmega88)
	# atmega88 with 1024 words bootloader:
	# bootloader section starts at 0xc00 (word-address) == 0x1800 (byte-address)
	#BOOT_SECTION_START = 0x1800
	#
	# atmega88 with 512 words bootloader:
	# bootloader section starts at 0xe00 (word-address) == 0x1c00 (byte-address)
	BOOT_SECTION_START = 0x1c00
	# 7kb data memory (raw memory minus bootloader space)
	DATA_MEM = 7

	# use custom linker script
	LDFLAGS += -T avr4.x
endif
ifeq ($(MCU),atmega168)
	# atmega168 with 1024 words bootloader:
	# bootloader section starts at 0x1c00 (word-address) == 0x3800 (byte-address)
	#BOOT_SECTION_START = 0x3800
	#
	# atmega168 with 512 words bootloader:
	# bootloader section starts at 0x1e00 (word-address) == 0x3c00 (byte-address)
	BOOT_SECTION_START = 0x3c00
	# 15kb data memory (raw memory minus bootloader space)
	DATA_MEM = 15

	# use custom linker script
	LDFLAGS += -T avr5.x
endif

LDFLAGS += -Wl,--section-start=.text=$(BOOT_SECTION_START)
CFLAGS += -DBOOT_SECTION_START=$(BOOT_SECTION_START)


####################################################
# 'make' configuration
####################################################
CC = avr-gcc
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
AS = avr-as
SIZE = avr-size
CP = cp
RM = rm -f
RMDIR = rm -rf
MKDIR = mkdir
AVRDUDE = avrdude

# flags for automatic dependency handling
DEPFLAGS = -MD -MP -MF .dep/$(@F).d

# flags for the compiler (for .c files)
CFLAGS += -g -Os -mmcu=$(MCU) -DF_CPU=$(F_CPU) -std=gnu99 -fshort-enums $(DEPFLAGS)
CFLAGS += $(addprefix -I,$(INCLUDES))
CFLAGS += -fno-split-wide-types
CFLAGS += --param inline-call-cost=2  -finline-limit=3 -fno-inline-small-functions
CFLAGS += -Wl,--relax

# flags for the compiler (for .S files)
ASFLAGS += -g -mmcu=$(MCU) -DF_CPU=$(F_CPU) -x assembler-with-cpp $(DEPFLAGS)
ASFLAGS += $(addprefix -I,$(INCLUDES))

# flags for the linker
LDFLAGS += -mmcu=$(MCU)

# fill in object files
OBJECTS += $(SRC:.c=.o)
OBJECTS += $(ASRC:.S=.o)

# include more debug flags, if $(DEBUG) is 1
ifeq ($(DEBUG),1)
	CFLAGS += -Wall -W -Wchar-subscripts -Wmissing-prototypes
	CFLAGS += -Wmissing-declarations -Wredundant-decls
	CFLAGS += -Wstrict-prototypes -Wshadow -Wbad-function-cast
	CFLAGS += -Winline -Wpointer-arith -Wsign-compare
	CFLAGS += -Wunreachable-code -Wdisabled-optimization
	CFLAGS += -Wcast-align -Wwrite-strings -Wnested-externs -Wundef
	CFLAGS += -Wa,-adhlns=$(basename $@).lst
	CFLAGS += -DCONFIG_DEBUG=1
endif

####################################################
# avrdude configuration
####################################################
ifeq ($(MCU),atmega8)
	AVRDUDE_MCU=m8
endif
ifeq ($(MCU),atmega48)
	AVRDUDE_MCU=m48
endif
ifeq ($(MCU),atmega88)
	AVRDUDE_MCU=m88
endif
ifeq ($(MCU),atmega168)
	AVRDUDE_MCU=m168
endif

AVRDUDE_FLAGS += -p $(AVRDUDE_MCU)

####################################################
# make targets
####################################################

.PHONY: hardware-check clean distclean avrdude-terminal

# check if HARDWARE is set
hardware-check:
ifeq ($(HARDWARE),)
	@echo 'please edit config.mk and set $$HARDWARE'
	@exit 1
endif

$(TARGET).elf: hardware-check $(OBJECTS)
	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJECTS)

# all objects (.o files) and config.mk
$(OBJECTS): $(HEADERS) config.mk

# remove all compiled files
clean:
	$(RM) $(foreach ext,elf hex eep.hex map,$(TARGET).$(ext)) \
		$(foreach file,$(patsubst %.o,%,$(OBJECTS)),$(foreach ext,o lst lss,$(file).$(ext)))

# additionally remove the dependency makefile and config.mk
distclean: clean
	$(RMDIR) .dep
	$(RM) config.mk

# avrdude-related targets
install program: program-$(TARGET)

avrdude-terminal:
	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -t

program-%: %.hex
	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U flash:w:$< -U lock:w:0x2f:m

program-eeprom-%: %.eep.hex
	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U eeprom:w:$<

# special programming targets
%.hex: %.elf
	$(OBJCOPY) -O ihex -R .eeprom $< $@
	@echo "===================================================="
	@echo "$@ compiled for hardware: $(HARDWARE)"
	@echo "using controller $(MCU)"
	@echo -n "size for $< is "
	@$(SIZE) -A $@ | grep '\.sec1' | tr -s ' ' | cut -d" " -f2
	@echo "===================================================="

%.eep.hex: %.elf
	$(OBJCOPY) --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O ihex -j .eeprom $< $@

%.lss: %.elf
	$(OBJDUMP) -h -S $< > $@

.PHONY: fuses-atmega8-fnordlichtmini-with-bootloader fuses-lock

fuses-atmega8-fnordlichtmini-with-bootloader:
	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U lfuse:w:0x3f:m -U hfuse:w:0xda:m

fuses-atmega8-fnordlichtmini-without-bootloader:
	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U lfuse:w:0x3f:m -U hfuse:w:0xd9:m

fuses-lock:
	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U lock:w:0x2f:m

-include $(shell $(MKDIR) .dep 2>/dev/null) $(wildcard .dep/*)
Commit	Line	Data
ec1bef8e	1	####################################################
	2	# fnordlicht-ng Makefile
	3	####################################################
	4
	5	# ATTENTION:
	6	# Any of these variables are overridden with the values from the file
	7	# "config.mk", you can tune your settings there. The file "config.mk" is not
	8	# under version control.
	9	# Just run 'make' to create a "config.mk" with the default settings
	10
	11	# hardware type, possible values (default is unset):
	12	# ATTENTION: please configure in config.mk, this is just included here for reference!
	13	# - fnordlicht -- original fnordlicht hardware
	14	# - fnordlichtmini -- fnordlichtmini hardware
	15	#HARDWARE = fnordlicht
	16
	17	# controller
	18	MCU = atmega8
	19
	20	# frequency
	21	F_CPU = 16000000UL
	22
	23	# main application name (without .hex)
	24	# eg 'test' when the main function is defined in 'test.c'
	25	TARGET = fboot
	26
	27	# c sourcecode files
	28	# eg. 'test.c foo.c foobar/baz.c'
	29	SRC = $(wildcard *.c)
	30
	31	# asm sourcecode files
	32	# eg. 'interrupts.S foobar/another.S'
	33	ASRC = $(wildcard *.S)
	34
	35	# headers which should be considered when recompiling
	36	# eg. 'global.h foobar/important.h'
	37	HEADERS = $(wildcard *.h)
	38
	39	# include directories (used for both, c and asm)
	40	# eg '. usbdrv/'
	41	INCLUDES =
	42
	43
	44	# use more debug-flags when compiling
	45	DEBUG = 0
	46
	47	# default baudrate
	48	CONFIG_SERIAL_BAUDRATE = 19200
	49
	50	# avrdude programmer protocol
	51	PROG = usbasp
	52	# avrdude programmer device
	53	DEV = usb
	54	# further flags for avrdude
	55	AVRDUDE_FLAGS =
	56
	57	CFLAGS += -DHARDWARE_$(HARDWARE)=1
	58	CFLAGS += -DCONFIG_SERIAL_BAUDRATE=$(CONFIG_SERIAL_BAUDRATE)
	59
	60	# use a custom linker script
	61	LDFLAGS += -L$(CURDIR)/ldscripts
	62
	63	.PHONY: all
	64
65	# main make target (moved up here because of the config.mk target)
66	all: $(TARGET).hex
67
68	# create config.mk (if it does not exist yet)
69	$(CURDIR)/config.mk:
70	@$(CP) config.mk.template config.mk
71	@echo "===================================================="
72	@echo "created file $@"
73	@echo 'please tune your settings (especially $$HARDWARE)'
74	@echo "there, then run 'make' again"
75	@echo "===================================================="
76	@exit 1
77
78	# include config file
79	-include $(CURDIR)/config.mk
80
81	# bootloader section start
82	# (see datasheet)
83	ifeq ($(MCU),atmega8)
84	# atmega8 with 1024 words bootloader:
85	# bootloader section starts at 0xc00 (word-address) == 0x1800 (byte-address)
86	#BOOT_SECTION_START = 0x1800
87	#
88	# atmega8 with 512 words bootloader:
89	# bootloader section starts at 0xe00 (word-address) == 0x1c00 (byte-address)
90	BOOT_SECTION_START = 0x1c00
91	# 7kb data memory (raw memory minus bootloader space)
92	DATA_MEM = 7
93
94	# use custom linker script
95	LDFLAGS += -T avr4.x
96	endif
97	ifeq ($(MCU),atmega88)
98	# atmega88 with 1024 words bootloader:
99	# bootloader section starts at 0xc00 (word-address) == 0x1800 (byte-address)
100	#BOOT_SECTION_START = 0x1800
101	#
102	# atmega88 with 512 words bootloader:
103	# bootloader section starts at 0xe00 (word-address) == 0x1c00 (byte-address)
104	BOOT_SECTION_START = 0x1c00
105	# 7kb data memory (raw memory minus bootloader space)
106	DATA_MEM = 7
107
108	# use custom linker script
109	LDFLAGS += -T avr4.x
110	endif
111	ifeq ($(MCU),atmega168)
112	# atmega168 with 1024 words bootloader:
113	# bootloader section starts at 0x1c00 (word-address) == 0x3800 (byte-address)
114	#BOOT_SECTION_START = 0x3800
115	#
116	# atmega168 with 512 words bootloader:
117	# bootloader section starts at 0x1e00 (word-address) == 0x3c00 (byte-address)
118	BOOT_SECTION_START = 0x3c00
119	# 15kb data memory (raw memory minus bootloader space)
120	DATA_MEM = 15
121
122	# use custom linker script
123	LDFLAGS += -T avr5.x
124	endif
125
126	LDFLAGS += -Wl,--section-start=.text=$(BOOT_SECTION_START)
127	CFLAGS += -DBOOT_SECTION_START=$(BOOT_SECTION_START)
128
129
130	####################################################
131	# 'make' configuration
132	####################################################
133	CC = avr-gcc
134	OBJCOPY = avr-objcopy
135	OBJDUMP = avr-objdump
136	AS = avr-as
137	SIZE = avr-size
138	CP = cp
139	RM = rm -f
140	RMDIR = rm -rf
141	MKDIR = mkdir
142	AVRDUDE = avrdude
143
144	# flags for automatic dependency handling
145	DEPFLAGS = -MD -MP -MF .dep/$(@F).d
146
147	# flags for the compiler (for .c files)
148	CFLAGS += -g -Os -mmcu=$(MCU) -DF_CPU=$(F_CPU) -std=gnu99 -fshort-enums $(DEPFLAGS)
149	CFLAGS += $(addprefix -I,$(INCLUDES))
150	CFLAGS += -fno-split-wide-types
151	CFLAGS += --param inline-call-cost=2 -finline-limit=3 -fno-inline-small-functions
152	CFLAGS += -Wl,--relax
153
154	# flags for the compiler (for .S files)
155	ASFLAGS += -g -mmcu=$(MCU) -DF_CPU=$(F_CPU) -x assembler-with-cpp $(DEPFLAGS)
156	ASFLAGS += $(addprefix -I,$(INCLUDES))
157
158	# flags for the linker
159	LDFLAGS += -mmcu=$(MCU)
160
161	# fill in object files
162	OBJECTS += $(SRC:.c=.o)
163	OBJECTS += $(ASRC:.S=.o)
164
165	# include more debug flags, if $(DEBUG) is 1
166	ifeq ($(DEBUG),1)
167	CFLAGS += -Wall -W -Wchar-subscripts -Wmissing-prototypes
168	CFLAGS += -Wmissing-declarations -Wredundant-decls
169	CFLAGS += -Wstrict-prototypes -Wshadow -Wbad-function-cast
170	CFLAGS += -Winline -Wpointer-arith -Wsign-compare
171	CFLAGS += -Wunreachable-code -Wdisabled-optimization
172	CFLAGS += -Wcast-align -Wwrite-strings -Wnested-externs -Wundef
173	CFLAGS += -Wa,-adhlns=$(basename $@).lst
174	CFLAGS += -DCONFIG_DEBUG=1
175	endif
176
177	####################################################
178	# avrdude configuration
179	####################################################
180	ifeq ($(MCU),atmega8)
181	AVRDUDE_MCU=m8
182	endif
183	ifeq ($(MCU),atmega48)
184	AVRDUDE_MCU=m48
185	endif
186	ifeq ($(MCU),atmega88)
187	AVRDUDE_MCU=m88
188	endif
189	ifeq ($(MCU),atmega168)
190	AVRDUDE_MCU=m168
191	endif
192
193	AVRDUDE_FLAGS += -p $(AVRDUDE_MCU)
194
195	####################################################
196	# make targets
197	####################################################
198
199	.PHONY: hardware-check clean distclean avrdude-terminal
200
201	# check if HARDWARE is set
202	hardware-check:
203	ifeq ($(HARDWARE),)
204	@echo 'please edit config.mk and set $$HARDWARE'
205	@exit 1
206	endif
207
208	$(TARGET).elf: hardware-check $(OBJECTS)
209	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJECTS)
210
211	# all objects (.o files) and config.mk
212	$(OBJECTS): $(HEADERS) config.mk
213
214	# remove all compiled files
215	clean:
216	$(RM) $(foreach ext,elf hex eep.hex map,$(TARGET).$(ext)) \
217	$(foreach file,$(patsubst %.o,%,$(OBJECTS)),$(foreach ext,o lst lss,$(file).$(ext)))
218
219	# additionally remove the dependency makefile and config.mk
220	distclean: clean
221	$(RMDIR) .dep
222	$(RM) config.mk
223
224	# avrdude-related targets
225	install program: program-$(TARGET)
226
227	avrdude-terminal:
228	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -t
229
230	program-%: %.hex
231	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U flash:w:$< -U lock:w:0x2f:m
232
233	program-eeprom-%: %.eep.hex
234	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U eeprom:w:$<
235
236	# special programming targets
237	%.hex: %.elf
238	$(OBJCOPY) -O ihex -R .eeprom $< $@
239	@echo "===================================================="
240	@echo "$@ compiled for hardware: $(HARDWARE)"
241	@echo "using controller $(MCU)"
242	@echo -n "size for $< is "
243	@$(SIZE) -A $@ \| grep '\.sec1' \| tr -s ' ' \| cut -d" " -f2
244	@echo "===================================================="
245
246	%.eep.hex: %.elf
247	$(OBJCOPY) --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O ihex -j .eeprom $< $@
248
249	%.lss: %.elf
250	$(OBJDUMP) -h -S $< > $@
251
252	.PHONY: fuses-atmega8-fnordlichtmini-with-bootloader fuses-lock
253
254	fuses-atmega8-fnordlichtmini-with-bootloader:
255	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U lfuse:w:0x3f:m -U hfuse:w:0xda:m
256
257	fuses-atmega8-fnordlichtmini-without-bootloader:
258	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U lfuse:w:0x3f:m -U hfuse:w:0xd9:m
259
260	fuses-lock:
261	$(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U lock:w:0x2f:m
262
263	-include $(shell $(MKDIR) .dep 2>/dev/null) $(wildcard .dep/*)