osd-contiki/cpu/avr/Makefile.avr

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# $Id: Makefile.avr,v 1.27 2010/12/22 21:13:09 dak664 Exp $
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.SUFFIXES:
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### Optimization setting. $make OPTI=0 for easier debugging of changed source file(s)
ifndef OPTI
OPTI=s
endif
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### Define the CPU directory of the AVR port
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CONTIKI_CPU=$(CONTIKI)/cpu/avr
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### These directories will be searched for the specified source files
### TARGETLIBS are platform-specific routines in the contiki library path
CONTIKI_CPU_DIRS = . dev
AVR = clock.c mtarch.c eeprom.c flash.c rs232.c leds-arch.c watchdog.c rtimer-arch.c bootloader.c settings.c
ELFLOADER = elfloader.c elfloader-avr.c symtab-avr.c
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TARGETLIBS = random.c leds.c
ifdef USB
### Add the directories for the USB stick and remove the default rs232 driver
CONTIKI_CPU_DIRS += dev/usb dev/usb/serial dev/usb/rndis dev/usb/storage
CONTIKI_TARGET_SOURCEFILES += $(USB)
//AVR = clock.c mtarch.c eeprom.c flash.c leds-arch.c watchdog.c rtimer-arch.c
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endif
#For a coffee file system, the application makefile can define COFFEE_FILES=n
#to select the type and COFFEE_ADDRESS=0xaaaaaaaa as the starting byte address.
#If only one is define the other will use the (Raven webserver 1284p) defaults
#of a static file system in program flash starting at 0x10000 (word address=0x8000)
#For program flash the starting address is rounded down to a page boundary in cfs-coffee-arch.h
#It should be rounded down here too if someone can figure out how :)
ifdef COFFEE_ADDRESS #if address is passed force definition of COFFEE_FILES
ifndef COFFEE_FILES #use program flash for static file system if not specified
COFFEE_FILES=3
endif
endif
ifdef COFFEE_FILES #if files are defined force definition of COFFEE_ADDRESS
ifndef COFFEE_ADDRESS
ifeq ($(COFFEE_FILES), 1) #1=eeprom static
COFFEE_ADDRESS=DEFAULT
else ifeq ($(COFFEE_FILES), 2) #2=eeprom dynamic
COFFEE_ADDRESS=DEFAULT
else ifeq ($(COFFEE_FILES), 3) #3=program flash static
COFFEE_ADDRESS=0x14000
else ifeq ($(COFFEE_FILES), 4) #4=program flash dynamic
COFFEE_ADDRESS=0x10000
else
print "Unsupported coffee file type!"
endif
endif
COFFEE_ADDRESS1 = $(shell echo $$(( $(COFFEE_ADDRESS) + 1 )))
CONTIKI_TARGET_SOURCEFILES += cfs-coffee.c cfs-coffee-arch.c
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CFLAGS += -DCOFFEE_FILES=$(COFFEE_FILES) -DCOFFEE_ADDRESS=$(COFFEE_ADDRESS)
ifneq ($(COFFEE_ADDRESS), DEFAULT)
LDFLAGS+= -Wl,--section-start=.coffeefiles=$(COFFEE_ADDRESS)
endif
#If $make invokation passed starting address use phony target to force synchronization of source to .coffeefiles section
#Warning: recompilation will not be forced if the starting address is then dropped, with dire consequences:
# -->Source that uses COFFEE_FILES and read macros for conditional compilation will be left hanging!
# -->Object modules that used .coffeesection will overlap the .data section.
# -->$make clean is safest.
#ifeq ($(origin COFFEE_ADDRESS), command line)
# ifeq ($(COFFEE_FILES), 2) #safest to force recompilation even if eeprom address is changed, might have been switched from flash
.PHONY : coffee
coffee:
$(OBJECTDIR)/cfs-coffee-arch.o : coffee #cfs-coffee-arch uses COFFEE_FILES, COFFEE_ADDRESS
$(OBJECTDIR)/contiki-raven-main.o : coffee #Raven Webserver uses COFFEE_FILES
$(OBJECTDIR)/httpd-fs.o : coffee #this file contains httpd-fsdata.c which has the .coffeesection data
$(OBJECTDIR)/httpd.c.o : coffee #uses defines to read from file system
$(OBJECTDIR)/httpd-cgi.o : coffee #uses defines to read from file system
$(OBJECTDIR)/cfs-coffee.o : coffee #core routine requires recompilation
#endif
#endif
endif
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CONTIKI_TARGET_SOURCEFILES += $(AVR) $(SENSORS) \
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$(SYSAPPS) $(ELFLOADER) \
$(TARGETLIBS)
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CONTIKI_SOURCEFILES += $(CONTIKI_TARGET_SOURCEFILES)
### Compiler definitions
CC = avr-gcc
LD = avr-gcc
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AS = avr-as
AR = avr-ar
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ELF_SIZE = avr-size -C --mcu=$(MCU)
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OBJCOPY = avr-objcopy
STRIP = avr-strip
CFLAGSNO = -Wall -mmcu=$(MCU) -gdwarf-2 -fno-strict-aliasing \
-I$(CONTIKI)/platform/$(TARGET) \
-I. -I$(CONTIKI)/core -I$(CONTIKI_CPU) $(USB_INCLUDES) \
$(CONTIKI_PLAT_DEFS)
CFLAGS += $(CFLAGSNO) -O$(OPTI)
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ifndef BOOTLOADER_START
BOOTLOADER_START = 0x1F800
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endif
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LDFLAGS += -mmcu=$(MCU) -Wl,-Map=contiki-$(TARGET).map \
-Wl,--section-start=.bootloader=$(BOOTLOADER_START)
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SMALL ?= 1
### These flags help significantly reduce the code size
ifeq ($(SMALL),1)
CFLAGS += -ffunction-sections
CFLAGS += -fdata-sections
LDFLAGS += -Wl,--gc-sections
endif # SMALL
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### Setup directory search path for source files
CONTIKI_TARGET_DIRS_CONCAT = ${addprefix $(CONTIKI)/platform/$(TARGET)/, \
$(CONTIKI_TARGET_DIRS)}
### Compilation rules
$(OBJECTDIR)/%.o: %.c
$(CC) $(CFLAGS) -c $< -o $@
%.o: %.c
$(CC) $(CFLAGS) -c $< -o $@
%.ko: %.o
$(STRIP) -K _init -K _fini --strip-unneeded -g -x $< -o $@
%.elf: %.co $(PROJECT_OBJECTFILES) contiki-$(TARGET).a symbols.o
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(filter-out %.a,$^) $(filter %.a,$^) $(LDLIBS)
#Allow top-level makefile to always show size even when build is up to date
ifndef NOAVRSIZE
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avr-size -C --mcu=$(MCU) $@
endif
%.hex: %.out
$(OBJCOPY) $^ -j .text -j .data -O ihex $@
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%.ihex: %.out
$(OBJCOPY) $^ -O ihex $@
# Add a namelist to the kernel
%.out: %.co $(PROJECT_OBJECTFILES) contiki-$(TARGET).a
cp ${CONTIKI}/tools/empty-symbols.c symbols.c
cp ${CONTIKI}/tools/empty-symbols.h symbols.h
$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $^ $(LIBC) symbols.c
ifdef SYMBOLS
$(CONTIKI)/tools/avr-make-symbols $@
$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $^ $(LIBC) symbols.c
$(CONTIKI)/tools/avr-make-symbols $@
$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $^ $(LIBC) symbols.c
endif
#%.hex: %.elf
# $(OBJCOPY) -R .eeprom -R .fuse -R .signature $^ -O ihex $@
%.eep: %.out
-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
--change-section-lma .eeprom=0 -O ihex $^ $@
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%-stripped.o: %.c
$(CC) $(CFLAGS) -c $< -o $@
$(STRIP) --strip-unneeded -g -x $@
#%.ce: %.c
# $(CC) $(CFLAGS) -c $< -o $@
# $(STRIP) --strip-unneeded -g -x $@
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#%.ce: %.co
# $(LD) -i -r --unresolved-symbols=ignore-in-object-files -mavr5 -o $@ $^
# $(STRIP) --strip-unneeded -g -x $@
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%.co: %.c
cp $(CONTIKI)/tools/empty-symbols.c symbols.c
cp $(CONTIKI)/tools/empty-symbols.h symbols.h
$(CC) $(CFLAGS) -DAUTOSTART_ENABLE -c $< -o $@
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%-stripped.o: %.o
$(STRIP) --strip-unneeded -g -x -o $@ $<
%.o: ${CONTIKI_TARGET}/loader/%.S
$(AS) -o $(notdir $(<:.S=.o)) $<
%.srec: %.$(TARGET)
$(OBJCOPY) -O srec $< $@
### Upload image
#Let avrdude use defaults if port or programmer not defined
ifdef AVRDUDE_PORT
AVRDUDE_PORT:=-P $(AVRDUDE_PORT)
endif
ifdef AVRDUDE_PROGRAMMER
AVRDUDE_PROGRAMMER:=-c $(AVRDUDE_PROGRAMMER)
endif
%.u: %.hex
avrdude $(AVRDUDE_OPTIONS) $(AVRDUDE_PORT) $(AVRDUDE_PROGRAMMER) -p $(MCU) -U flash:w:$<
%.eu: %.eep
avrdude ${AVRDUDE_OPTIONS} -P ${AVRDUDE_PORT} -c ${AVRDUDE_PROGRAMMER} -p ${MCU} -U eeprom:w:$<
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symbols.c:
cp ${CONTIKI}/tools/empty-symbols.c symbols.c
cp ${CONTIKI}/tools/empty-symbols.h symbols.h