git.zerfleddert.de Git - fnordlicht-mini/blob - firmware/fnordlicht-controller/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 # controller
  12 MCU = atmega168
  13
  14 # frequency
  15 F_CPU = 16000000UL
  16
  17 # main application name (without .hex)
  18 # eg 'test' when the main function is defined in 'test.c'
  19 TARGET = fcontrol
  20
  21 # c sourcecode files
  22 # eg. 'test.c foo.c foobar/baz.c'
  23 SRC = $(wildcard *.c) usbdrv/usbdrv.c
  24
  25 # asm sourcecode files
  26 # eg. 'interrupts.S foobar/another.S'
  27 ASRC = $(wildcard *.S) usbdrv/usbdrvasm.S
  28
  29 # headers which should be considered when recompiling
  30 # eg. 'global.h foobar/important.h'
  31 HEADERS = $(wildcard *.h)
  32
  33 # include directories (used for both, c and asm)
  34 # eg '. usbdrv/'
  35 INCLUDES = . usbdrv/
  36
  37
  38 # use more debug-flags when compiling
  39 DEBUG = 0
  40
  41 # default baudrate
  42 CONFIG_SERIAL_BAUDRATE = 19200
  43
  44 # avrdude programmer protocol
  45 PROG = usbasp
  46 # avrdude programmer device
  47 DEV = usb
  48 # further flags for avrdude
  49 AVRDUDE_FLAGS =
  50
  51 CFLAGS += -DCONFIG_SERIAL_BAUDRATE=$(CONFIG_SERIAL_BAUDRATE)
  52
  53 # use a custom linker script
  54 LDFLAGS += -L$(CURDIR)/ldscripts
  55
  56 .PHONY: all
  57
  58 # main make target (moved up here because of the config.mk target)
  59 all: $(TARGET).hex
  60
  61 # create config.mk (if it does not exist yet)
  62 $(CURDIR)/config.mk:
  63         @$(CP) config.mk.template config.mk
  64         @echo "===================================================="
  65         @echo "created file $@"
  66         @echo "please tune your settings there, then run 'make' again"
  67         @echo "===================================================="
  68         @exit 1
  69
  70 # include config file
  71 -include $(CURDIR)/config.mk
  72
  73 ####################################################
  74 # 'make' configuration
  75 ####################################################
  76 CC = avr-gcc
  77 OBJCOPY = avr-objcopy
  78 OBJDUMP = avr-objdump
  79 AS = avr-as
  80 SIZE = avr-size
  81 CP = cp
  82 RM = rm -f
  83 RMDIR = rm -rf
  84 MKDIR = mkdir
  85 AVRDUDE = avrdude
  86
  87 # flags for automatic dependency handling
  88 DEPFLAGS = -MD -MP -MF .dep/$(@F).d
  89
  90 # flags for the compiler (for .c files)
  91 CFLAGS += -g -Os -mmcu=$(MCU) -DF_CPU=$(F_CPU) -std=gnu99 -fshort-enums $(DEPFLAGS)
  92 CFLAGS += $(addprefix -I,$(INCLUDES))
  93 CFLAGS += -fno-split-wide-types
  94 CFLAGS += --param inline-call-cost=2  -finline-limit=3 -fno-inline-small-functions
  95 #CFLAGS += -Wl,--relax
  96
  97 # flags for the compiler (for .S files)
  98 ASFLAGS += -g -mmcu=$(MCU) -DF_CPU=$(F_CPU) -x assembler-with-cpp $(DEPFLAGS)
  99 ASFLAGS += $(addprefix -I,$(INCLUDES))
 100
 101 # flags for the linker
 102 LDFLAGS += -mmcu=$(MCU)
 103
 104 # fill in object files
 105 OBJECTS += $(SRC:.c=.o)
 106 OBJECTS += $(ASRC:.S=.o)
 107
 108 # include more debug flags, if $(DEBUG) is 1
 109 ifeq ($(DEBUG),1)
 110         CFLAGS += -Wall -W -Wchar-subscripts -Wmissing-prototypes
 111         CFLAGS += -Wmissing-declarations -Wredundant-decls
 112         CFLAGS += -Wstrict-prototypes -Wshadow -Wbad-function-cast
 113         CFLAGS += -Winline -Wpointer-arith -Wsign-compare
 114         CFLAGS += -Wunreachable-code -Wdisabled-optimization
 115         CFLAGS += -Wcast-align -Wwrite-strings -Wnested-externs -Wundef
 116         CFLAGS += -Wa,-adhlns=$(basename $@).lst
 117         CFLAGS += -DCONFIG_DEBUG=1
 118 endif
 119
 120 ####################################################
 121 # avrdude configuration
 122 ####################################################
 123 ifeq ($(MCU),atmega8)
 124         AVRDUDE_MCU=m8
 125 endif
 126 ifeq ($(MCU),atmega48)
 127         AVRDUDE_MCU=m48
 128 endif
 129 ifeq ($(MCU),atmega88)
 130         AVRDUDE_MCU=m88
 131 endif
 132 ifeq ($(MCU),atmega168)
 133         AVRDUDE_MCU=m168
 134 endif
 135
 136 AVRDUDE_FLAGS += -p $(AVRDUDE_MCU)
 137
 138 ####################################################
 139 # make targets
 140 ####################################################
 141
 142 .PHONY: clean distclean avrdude-terminal
 143
 144 $(TARGET).elf: $(OBJECTS)
 145         $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJECTS)
 146
 147 # all objects (.o files) and config.mk
 148 $(OBJECTS): $(HEADERS) config.mk
 149
 150 # remove all compiled files
 151 clean:
 152         $(RM) $(foreach ext,elf hex eep.hex map,$(TARGET).$(ext)) \
 153                 $(foreach file,$(patsubst %.o,%,$(OBJECTS)),$(foreach ext,o lst lss,$(file).$(ext)))
 154
 155 # additionally remove the dependency makefile and config.mk
 156 distclean: clean
 157         $(RMDIR) .dep
 158         $(RM) config.mk
 159
 160 # avrdude-related targets
 161 install program: program-$(TARGET)
 162
 163 avrdude-terminal:
 164         $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -t
 165
 166 program-%: %.hex
 167         $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U flash:w:$<
 168
 169 program-eeprom-%: %.eep.hex
 170         $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U eeprom:w:$<
 171
 172 # special programming targets
 173 %.hex: %.elf
 174         $(OBJCOPY) -O ihex -R .eeprom $< $@
 175         @echo "===================================================="
 176         @echo "$@ compiled for fnordlicht-controller"
 177         @echo "using controller $(MCU)"
 178         @echo -n "size for $< is "
 179         @$(SIZE) -A $@ | grep '\.sec1' | tr -s ' ' | cut -d" " -f2
 180         @echo "===================================================="
 181
 182 %.eep.hex: %.elf
 183         $(OBJCOPY) --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O ihex -j .eeprom $< $@
 184
 185 %.lss: %.elf
 186         $(OBJDUMP) -h -S $< > $@
 187
 188 .PHONY: fuses-atmega8-fnordlichtmini-with-bootloader fuses-lock
 189
 190 fuses-atmega8-fnordlichtmini-with-bootloader:
 191         $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U lfuse:w:0x3f:m -U hfuse:w:0xda:m
 192
 193 fuses-atmega8-fnordlichtmini-without-bootloader:
 194         $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U lfuse:w:0x3f:m -U hfuse:w:0xd9:m
 195
 196 fuses-lock:
 197         $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U lock:w:0x2f:m
 198
 199 -include $(shell $(MKDIR) .dep 2>/dev/null) $(wildcard .dep/*)