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 = $(wildcard *.h)
  38
  39 # include directories (used for both, c and asm)
  40 # eg '. usbdrv/'
  41 INCLUDES =
  42
  43
  44 # use more debug-flags when compiling
  45 DEBUG = 0
  46
  47 # default static color program
  48 CONFIG_SCRIPT_DEFAULT = 1
  49 # include the script interpreter
  50 CONFIG_SCRIPT = 1
  51 # include uart support
  52 CONFIG_SERIAL = 1
  53 # include remote command support (needs uart)
  54 CONFIG_REMOTE = 1
  55 # secondary pwm output
  56 CONFIG_SECONDARY_PWM = 1
  57 # default baudrate
  58 CONFIG_SERIAL_BAUDRATE = 19200
  59 # check jumper for master mode
  60 CONFIG_MASTER_MODE = 1
  61
  62 # avrdude programmer protocol
  63 PROG = usbasp
  64 # avrdude programmer device
  65 DEV = usb
  66 # further flags for avrdude
  67 AVRDUDE_FLAGS =
  68
  69 CFLAGS += -DHARDWARE_$(HARDWARE)=1 -DCONFIG_SCRIPT_DEFAULT=$(CONFIG_SCRIPT_DEFAULT)
  70 CFLAGS += -DCONFIG_SCRIPT=$(CONFIG_SCRIPT) -DCONFIG_SERIAL=$(CONFIG_SERIAL)
  71 CFLAGS += -DCONFIG_REMOTE=$(CONFIG_REMOTE) -DCONFIG_SECONDARY_PWM=$(CONFIG_SECONDARY_PWM)
  72 CFLAGS += -DCONFIG_SERIAL_BAUDRATE=$(CONFIG_SERIAL_BAUDRATE)
  73 CFLAGS += -DCONFIG_MASTER_MODE=$(CONFIG_MASTER_MODE)
  74
  75 ####################################################
  76 # 'make' configuration
  77 ####################################################
  78 CC = avr-gcc
  79 OBJCOPY = avr-objcopy
  80 OBJDUMP = avr-objdump
  81 AS = avr-as
  82 SIZE = avr-size
  83 CP = cp
  84 RM = rm -f
  85 RMDIR = rm -rf
  86 MKDIR = mkdir
  87 AVRDUDE = avrdude
  88
  89 # flags for automatic dependency handling
  90 DEPFLAGS = -MD -MP -MF .dep/$(@F).d
  91
  92 # flags for the compiler (for .c files)
  93 CFLAGS += -g -Os -mmcu=$(MCU) -DF_CPU=$(F_CPU) -std=gnu99 -fshort-enums $(DEPFLAGS)
  94 CFLAGS += $(addprefix -I,$(INCLUDES))
  95 # optimize for size
  96 CFLAGS += -mcall-prologues
  97 CFLAGS += --param inline-call-cost=2  -finline-limit=3 -fno-inline-small-functions
  98 CFLAGS += -Wl,--relax
  99 CFLAGS += -fno-split-wide-types
 100
 101 # place each function in an own section and do garbage collection
 102 CFLAGS += -ffunction-sections -fdata-sections
 103 CFLAGS += -Wl,--gc-sections
 104
 105 # flags for the compiler (for .S files)
 106 ASFLAGS += -g -mmcu=$(MCU) -DF_CPU=$(F_CPU) -x assembler-with-cpp $(DEPFLAGS)
 107 ASFLAGS += $(addprefix -I,$(INCLUDES))
 108
 109 # flags for the linker
 110 LDFLAGS += -mmcu=$(MCU)
 111
 112 # fill in object files
 113 OBJECTS += $(SRC:.c=.o)
 114 OBJECTS += $(ASRC:.S=.o)
 115
 116 .PHONY: all
 117
 118 # main make target (moved up here because of the config.mk target)
 119 all: $(TARGET).hex $(TARGET).bin
 120
 121 # create config.mk (if it does not exist yet)
 122 $(CURDIR)/config.mk:
 123         @$(CP) config.mk.template config.mk
 124         @echo "===================================================="
 125         @echo "created file $@"
 126         @echo 'please tune your settings (especially $$HARDWARE)'
 127         @echo "there, then run 'make' again"
 128         @echo "===================================================="
 129         @exit 1
 130
 131 # include config file
 132 -include $(CURDIR)/config.mk
 133
 134 # include more debug flags, if $(DEBUG) is 1
 135 ifeq ($(DEBUG),1)
 136         CFLAGS += -Wall -W -Wchar-subscripts -Wmissing-prototypes
 137         CFLAGS += -Wmissing-declarations -Wredundant-decls
 138         CFLAGS += -Wstrict-prototypes -Wshadow -Wbad-function-cast
 139         CFLAGS += -Winline -Wpointer-arith -Wsign-compare
 140         CFLAGS += -Wunreachable-code -Wdisabled-optimization
 141         CFLAGS += -Wcast-align -Wwrite-strings -Wnested-externs -Wundef
 142         CFLAGS += -Wa,-adhlns=$(basename $@).lst
 143         CFLAGS += -DCONFIG_DEBUG=1
 144 endif
 145
 146 ####################################################
 147 # avrdude configuration
 148 ####################################################
 149 ifeq ($(MCU),atmega8)
 150         AVRDUDE_MCU=m8
 151 endif
 152 ifeq ($(MCU),atmega48)
 153         AVRDUDE_MCU=m48
 154 endif
 155 ifeq ($(MCU),atmega88)
 156         AVRDUDE_MCU=m88
 157 endif
 158 ifeq ($(MCU),atmega168)
 159         AVRDUDE_MCU=m168
 160 endif
 161
 162 AVRDUDE_FLAGS += -p $(AVRDUDE_MCU)
 163
 164 ####################################################
 165 # make targets
 166 ####################################################
 167
 168 .PHONY: hardware-check clean distclean avrdude-terminal
 169
 170 # check if HARDWARE is set
 171 hardware-check:
 172 ifeq ($(HARDWARE),)
 173         @echo 'please edit config.mk and set $$HARDWARE'
 174         @exit 1
 175 endif
 176
 177 $(TARGET).elf: hardware-check $(OBJECTS)
 178         $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJECTS)
 179
 180 # all objects (.o files) and config.mk
 181 $(OBJECTS): $(HEADERS) config.mk
 182
 183 # remove all compiled files
 184 clean:
 185         $(RM) $(foreach ext,elf hex eep.hex bin map,$(TARGET).$(ext)) \
 186                 $(foreach file,$(patsubst %.o,%,$(OBJECTS)),$(foreach ext,o lst lss,$(file).$(ext)))
 187
 188 # additionally remove the dependency makefile and config.mk
 189 distclean: clean
 190         $(RMDIR) .dep
 191         $(RM) config.mk
 192
 193 # avrdude-related targets
 194 install program: program-$(TARGET)
 195
 196 avrdude-terminal:
 197         $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -t
 198
 199 program-%: %.hex
 200         $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U flash:w:$<
 201
 202 program-eeprom-%: %.eep.hex
 203         $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U eeprom:w:$<
 204
 205 # special programming targets
 206 %.hex: %.elf
 207         $(OBJCOPY) -O ihex -R .eeprom $< $@
 208         @echo "===================================================="
 209         @echo "$@ compiled for hardware: $(HARDWARE)"
 210         @echo "using controller $(MCU)"
 211         @echo -n "size for $< is "
 212         @$(SIZE) -A $@ | grep '\.sec1' | tr -s ' ' | cut -d" " -f2
 213         @echo "===================================================="
 214
 215 # special programming targets
 216 %.bin: %.elf
 217         $(OBJCOPY) -O binary -R .eeprom $< $@
 218
 219 %.eep.hex: %.elf
 220         $(OBJCOPY) --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O ihex -j .eeprom $< $@
 221
 222 %.lss: %.elf
 223         $(OBJDUMP) -h -S $< > $@
 224
 225 .PHONY: fuses-atmega8-fnordlichtmini-without-bootloader
 226
 227 fuses-atmega8-fnordlichtmini-without-bootloader:
 228         $(AVRDUDE) $(AVRDUDE_FLAGS) -c $(PROG) -P $(DEV) -U lfuse:w:0x3f:m -U hfuse:w:0xd9:m
 229
 230 -include $(shell $(MKDIR) .dep 2>/dev/null) $(wildcard .dep/*)