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add showcfg program
[fnordlicht-mini] / firmware / fnordlicht-firmware / Makefile
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 = fnordlicht
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 =
34
35 # headers which should be considered when recompiling
36 # eg. 'global.h foobar/important.h'
37 HEADERS = $(wildcard *.h)
38
39 # include directories (used for both, c and asm)
40 # eg '. usbdrv/'
41 INCLUDES =
42
43
44 # use more debug-flags when compiling
45 DEBUG = 0
46
47 # default static color program
48 CONFIG_SCRIPT_DEFAULT = 1
49 # include the script interpreter
50 CONFIG_SCRIPT = 1
51 # include uart support
52 CONFIG_SERIAL = 1
53 # include remote command support (needs uart)
54 CONFIG_REMOTE = 1
55 # secondary pwm output
56 CONFIG_SECONDARY_PWM = 1
57 # default baudrate
58 CONFIG_SERIAL_BAUDRATE = 19200
59
60 # avrdude programmer protocol
61 PROG = usbasp
62 # avrdude programmer device
63 DEV = usb
64 # further flags for avrdude
65 AVRDUDE_FLAGS =
66
67 CFLAGS += -DHARDWARE_$(HARDWARE)=1 -DCONFIG_SCRIPT_DEFAULT=$(CONFIG_SCRIPT_DEFAULT)
68 CFLAGS += -DCONFIG_SCRIPT=$(CONFIG_SCRIPT) -DCONFIG_SERIAL=$(CONFIG_SERIAL)
69 CFLAGS += -DCONFIG_REMOTE=$(CONFIG_REMOTE) -DCONFIG_SECONDARY_PWM=$(CONFIG_SECONDARY_PWM)
70 CFLAGS += -DCONFIG_SERIAL_BAUDRATE=$(CONFIG_SERIAL_BAUDRATE)
71
72 ####################################################
73 # 'make' configuration
74 ####################################################
75 CC = avr-gcc
76 OBJCOPY = avr-objcopy
77 OBJDUMP = avr-objdump
78 AS = avr-as
79 SIZE = avr-size
80 CP = cp
81 RM = rm -f
82 RMDIR = rm -rf
83 MKDIR = mkdir
84 AVRDUDE = avrdude
85
86 # flags for automatic dependency handling
87 DEPFLAGS = -MD -MP -MF .dep/$(@F).d
88
89 # flags for the compiler (for .c files)
90 CFLAGS += -g -Os -mmcu=$(MCU) -DF_CPU=$(F_CPU) -std=gnu99 -fshort-enums $(DEPFLAGS)
91 CFLAGS += $(addprefix -I,$(INCLUDES))
92 # optimize for size
93 CFLAGS += -mcall-prologues
94 CFLAGS += --param inline-call-cost=2 -finline-limit=3 -fno-inline-small-functions
95 CFLAGS += -Wl,--relax
96 CFLAGS += -fno-split-wide-types
97
98 # place each function in an own section and do garbage collection
99 CFLAGS += -ffunction-sections -fdata-sections
100 CFLAGS += -Wl,--gc-sections
101
102 # flags for the compiler (for .S files)
103 ASFLAGS += -g -mmcu=$(MCU) -DF_CPU=$(F_CPU) -x assembler-with-cpp $(DEPFLAGS)
104 ASFLAGS += $(addprefix -I,$(INCLUDES))
105
106 # flags for the linker
107 LDFLAGS += -mmcu=$(MCU)
108
109 # fill in object files
110 OBJECTS += $(SRC:.c=.o)
111 OBJECTS += $(ASRC:.S=.o)
112
113 .PHONY: all
114
115 # main make target (moved up here because of the config.mk target)
116 all: $(TARGET).hex $(TARGET).bin
117
118 # create config.mk (if it does not exist yet)
119 $(CURDIR)/config.mk:
120 @$(CP) config.mk.template config.mk
121 @echo "===================================================="
122 @echo "created file $@"
123 @echo 'please tune your settings (especially $$HARDWARE)'
124 @echo "there, then run 'make' again"
125 @echo "===================================================="
126 @exit 1
127
128 # include config file
129 -include $(CURDIR)/config.mk
130
131 # include more debug flags, if $(DEBUG) is 1
132 ifeq ($(DEBUG),1)
133 CFLAGS += -Wall -W -Wchar-subscripts -Wmissing-prototypes
134 CFLAGS += -Wmissing-declarations -Wredundant-decls
135 CFLAGS += -Wstrict-prototypes -Wshadow -Wbad-function-cast
136 CFLAGS += -Winline -Wpointer-arith -Wsign-compare
137 CFLAGS += -Wunreachable-code -Wdisabled-optimization
138 CFLAGS += -Wcast-align -Wwrite-strings -Wnested-externs -Wundef
139 CFLAGS += -Wa,-adhlns=$(basename $@).lst
140 CFLAGS += -DCONFIG_DEBUG=1
141 endif
142
143 ####################################################
144 # avrdude configuration
145 ####################################################
146 ifeq ($(MCU),atmega8)
147 AVRDUDE_MCU=m8
148 endif
149 ifeq ($(MCU),atmega48)
150 AVRDUDE_MCU=m48
151 endif
152 ifeq ($(MCU),atmega88)
153 AVRDUDE_MCU=m88
154 endif
155 ifeq ($(MCU),atmega168)
156 AVRDUDE_MCU=m168
157 endif
158
159 AVRDUDE_FLAGS += -p $(AVRDUDE_MCU)
160
161 ####################################################
162 # make targets
163 ####################################################
164
165 .PHONY: hardware-check clean distclean avrdude-terminal
166
167 # check if HARDWARE is set
168 hardware-check:
169 ifeq ($(HARDWARE),)
170 @echo 'please edit config.mk and set $$HARDWARE'
171 @exit 1
172 endif
173
174 $(TARGET).elf: hardware-check $(OBJECTS)
175 $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJECTS)
176
177 # all objects (.o files) and config.mk
178 $(OBJECTS): $(HEADERS) config.mk
179
180 # remove all compiled files
181 clean:
182 $(RM) $(foreach ext,elf hex eep.hex bin map,$(TARGET).$(ext)) \
183 $(foreach file,$(patsubst %.o,%,$(OBJECTS)),$(foreach ext,o lst lss,$(file).$(ext)))
184
185 # additionally remove the dependency makefile and config.mk
186 distclean: clean
187 $(RMDIR) .dep
188 $(RM) config.mk
189
190 # avrdude-related targets
191 install program: program-$(TARGET)
192
193 avrdude-terminal:
194 $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -t
195
196 program-%: %.hex
197 $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U flash:w:$<
198
199 program-eeprom-%: %.eep.hex
200 $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U eeprom:w:$<
201
202 # special programming targets
203 %.hex: %.elf
204 $(OBJCOPY) -O ihex -R .eeprom $< $@
205 @echo "===================================================="
206 @echo "$@ compiled for hardware: $(HARDWARE)"
207 @echo "using controller $(MCU)"
208 @echo -n "size for $< is "
209 @$(SIZE) -A $@ | grep '\.sec1' | tr -s ' ' | cut -d" " -f2
210 @echo "===================================================="
211
212 # special programming targets
213 %.bin: %.elf
214 $(OBJCOPY) -O binary -R .eeprom $< $@
215
216 %.eep.hex: %.elf
217 $(OBJCOPY) --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O ihex -j .eeprom $< $@
218
219 %.lss: %.elf
220 $(OBJDUMP) -h -S $< > $@
221
222 .PHONY: fuses-atmega8-fnordlichtmini-without-bootloader
223
224 fuses-atmega8-fnordlichtmini-without-bootloader:
225 $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U lfuse:w:0x3f:m -U hfuse:w:0xd9:m
226
227 -include $(shell $(MKDIR) .dep 2>/dev/null) $(wildcard .dep/*)
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