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|
######################################################
# AVR make library #
# Copyright (c) 2015-2016 Michael Buesch <m@bues.ch> #
# Version 1.3 #
######################################################
ifeq ($(NAME),)
$(error NAME not defined)
endif
ifeq ($(SRCS),)
$(error SRCS not defined)
endif
ifeq ($(F_CPU),)
$(error F_CPU not defined)
endif
ifeq ($(GCC_ARCH),)
$(error GCC_ARCH not defined)
endif
ifeq ($(AVRDUDE_ARCH),)
$(error AVRDUDE_ARCH not defined)
endif
BINEXT :=
NODEPS :=
# The toolchain definitions
CC = avr-gcc$(BINEXT)
OBJCOPY = avr-objcopy$(BINEXT)
OBJDUMP = avr-objdump$(BINEXT)
SIZE = avr-size$(BINEXT)
MKDIR = mkdir$(BINEXT)
MV = mv$(BINEXT)
RM = rm$(BINEXT)
CP = cp$(BINEXT)
ECHO = echo$(BINEXT)
GREP = grep$(BINEXT)
TRUE = true$(BINEXT)
TEST = test$(BINEXT)
AVRDUDE = avrdude$(BINEXT)
MYSMARTUSB = mysmartusb.py
DOXYGEN = doxygen$(BINEXT)
V := @ # Verbose build: make V=1
O := s # Optimize flag
Q := $(V:1=)
QUIET_CC = $(Q:@=@$(ECHO) ' CC '$@;)$(CC)
QUIET_DEPEND = $(Q:@=@$(ECHO) ' DEPEND '$@;)$(CC)
QUIET_OBJCOPY = $(Q:@=@$(ECHO) ' OBJCOPY '$@;)$(OBJCOPY)
QUIET_SIZE = $(Q:@=@$(ECHO) ' SIZE '$@;)$(SIZE)
FUNC_STACK_LIMIT ?= 128
WARN_CFLAGS := -Wall -Wextra -Wno-unused-parameter -Wswitch-enum \
-Wsuggest-attribute=noreturn \
-Wundef -Wpointer-arith -Winline \
$(if $(FUNC_STACK_LIMIT),-Wstack-usage=$(FUNC_STACK_LIMIT)) \
-Wcast-qual -Wlogical-op -Wshadow \
-Wconversion
CFLAGS += -mmcu=$(GCC_ARCH) -std=gnu11 -g0 -O$(O) $(WARN_CFLAGS) \
"-Dinline=inline __attribute__((__always_inline__))" \
-DF_CPU=$(F_CPU) \
-mcall-prologues -mrelax -mstrict-X \
-fshort-enums -flto
BIN := $(NAME).bin
HEX := $(NAME).hex
EEP := $(NAME).eep.hex
.SUFFIXES:
.DEFAULT_GOAL := all
# Programmer parameters
AVRDUDE_SPEED ?= 1
AVRDUDE_SLOW_SPEED ?= 200
ifeq ($(PROGRAMMER),mysmartusb)
AVRDUDE_PROGRAMMER := avr910
PROGPORT := /dev/ttyUSB0
endif
ifeq ($(PROGRAMMER),avrisp2)
AVRDUDE_PROGRAMMER := avrisp2
PROGPORT := usb
endif
ifeq ($(AVRDUDE_PROGRAMMER),)
$(error Invalid PROGRAMMER specified)
endif
PROGRAMMER_CMD_PWRCYCLE := \
$(if $(filter mysmartusb,$(PROGRAMMER)), \
$(MYSMARTUSB) -p0 $(PROGPORT) && \
sleep 1 && \
$(MYSMARTUSB) -p1 $(PROGPORT) \
)
PROGRAMMER_CMD_PROG_ENTER := \
$(if $(filter mysmartusb,$(PROGRAMMER)), \
$(MYSMARTUSB) -mp $(PROGPORT) \
)
PROGRAMMER_CMD_PROG_LEAVE := \
$(if $(filter mysmartusb,$(PROGRAMMER)), \
$(MYSMARTUSB) -md $(PROGPORT) \
)
DEPS = $(sort $(patsubst %.c,dep/%.d,$(1)))
OBJS = $(sort $(patsubst %.c,obj/%.o,$(1)))
# Generate dependencies
$(call DEPS,$(SRCS)): dep/%.d: %.c
@$(MKDIR) -p $(dir $@)
@$(MKDIR) -p obj
$(QUIET_DEPEND) -o $@.tmp -MM -MT "$@ $(patsubst dep/%.d,obj/%.o,$@)" $(CFLAGS) $<
@$(MV) -f $@.tmp $@
ifeq ($(NODEPS),)
-include $(call DEPS,$(SRCS))
endif
# Generate object files
$(call OBJS,$(SRCS)): obj/%.o: %.c
@$(MKDIR) -p $(dir $@)
$(QUIET_CC) -o $@ -c $(CFLAGS) $<
all: $(HEX)
%.s: %.c
$(QUIET_CC) $(CFLAGS) -S $*.c
$(BIN): $(call OBJS,$(SRCS))
$(QUIET_CC) $(CFLAGS) -o $(BIN) -fwhole-program $(call OBJS,$(SRCS)) $(LDFLAGS)
$(HEX): $(BIN)
$(QUIET_OBJCOPY) -R.eeprom -O ihex $(BIN) $(HEX)
@$(if $(filter .exe,$(BINEXT)),$(TRUE), \
$(OBJDUMP) -h $(BIN) | $(GREP) -qe .eeprom && \
$(OBJCOPY) -j.eeprom --set-section-flags=.eeprom="alloc,load" \
--change-section-lma .eeprom=0 -O ihex $(BIN) $(EEP) \
|| $(TRUE))
@$(ECHO)
$(QUIET_SIZE) --format=SysV $(BIN)
define _avrdude_interactive
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(AVRDUDE_PROGRAMMER) -P $(PROGPORT) -t
endef
define _avrdude_reset
$(AVRDUDE) -B $(AVRDUDE_SLOW_SPEED) -p $(AVRDUDE_ARCH) \
-c $(AVRDUDE_PROGRAMMER) -P $(PROGPORT) \
-U signature:r:/dev/null:i -q -q
endef
define _avrdude_write_flash
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(AVRDUDE_PROGRAMMER) -P $(PROGPORT) \
-U flash:w:$(HEX)
endef
define _avrdude_write_eeprom
$(TEST) -r $(EEP) && ( \
$(AVRDUDE) -B $(AVRDUDE_SPEED) -p $(AVRDUDE_ARCH) \
-c $(AVRDUDE_PROGRAMMER) -P $(PROGPORT) \
-U eeprom:w:$(EEP) \
) || $(TRUE)
endef
define _avrdude_write_fuse
$(AVRDUDE) -B $(AVRDUDE_SLOW_SPEED) -p $(AVRDUDE_ARCH) \
-c $(AVRDUDE_PROGRAMMER) -P $(PROGPORT) -q -q \
-U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m $(if $(EFUSE),-U efuse:w:$(EFUSE):m)
endef
write_flash: all
$(call PROGRAMMER_CMD_PROG_ENTER)
$(call _avrdude_write_flash)
$(call PROGRAMMER_CMD_PWRCYCLE)
$(call PROGRAMMER_CMD_PROG_LEAVE)
writeflash: write_flash
write_eeprom: all
$(call PROGRAMMER_CMD_PROG_ENTER)
$(call _avrdude_write_eeprom)
$(call PROGRAMMER_CMD_PWRCYCLE)
$(call PROGRAMMER_CMD_PROG_LEAVE)
writeeeprom: write_eeprom
write_mem: all
$(call PROGRAMMER_CMD_PROG_ENTER)
$(call _avrdude_write_flash)
$(call _avrdude_write_eeprom)
$(call PROGRAMMER_CMD_PWRCYCLE)
$(call PROGRAMMER_CMD_PROG_LEAVE)
writemem: write_mem
install: write_mem
write_fuses:
$(call PROGRAMMER_CMD_PROG_ENTER)
$(call _avrdude_write_fuse)
$(call PROGRAMMER_CMD_PWRCYCLE)
$(call PROGRAMMER_CMD_PROG_LEAVE)
write_fuse: write_fuses
writefuse: write_fuses
writefuses: write_fuses
print_fuses:
@$(if $(LFUSE),echo "LFUSE (low fuse) = $(LFUSE)",$(TRUE))
@$(if $(HFUSE),echo "HFUSE (high fuse) = $(HFUSE)",$(TRUE))
@$(if $(EFUSE),echo "EFUSE (extended fuse) = $(EFUSE)",$(TRUE))
printfuses: print_fuses
reset:
$(call PROGRAMMER_CMD_PROG_ENTER)
$(call _avrdude_reset)
$(call PROGRAMMER_CMD_PWRCYCLE)
avrdude:
$(call PROGRAMMER_CMD_PROG_ENTER)
$(call _avrdude_interactive)
$(call PROGRAMMER_CMD_PWRCYCLE)
$(call PROGRAMMER_CMD_PROG_LEAVE)
doxygen:
$(DOXYGEN) Doxyfile
clean:
-$(RM) -rf obj dep $(BIN) $(CLEAN_FILES)
distclean: clean
-$(RM) -f $(HEX) $(EEP) $(DISTCLEAN_FILES)
-$(RM) -f $(if $(filter .exe,$(BINEXT)),$(patsubst %.c,%.s,$(SRCS)),*.s)
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