git.zerfleddert.de Git - fnordlicht-mini/blob - 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/*)