# Creation Date: 2007-12-10
# Author: Stephan Bärwolf
# Improvement Date: 2012-07-31
+# Improvement Date: 2012-09-12
# Tabsize: 4
# Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH
# License: GNU GPL v2 (see License.txt)
# make flash # to load the boot loader into flash
# make lock # to protect the boot loader from overwriting
-F_CPU = 16000000
-DEVICE = atmega8
-
-# BOOTLOADER_ADDRESS is 1800 for 8k devices, 3800 for 16k and 7800 for 32k.
-BOOTLOADER_ADDRESS = 1800
-
-# PROGRAMMER contains AVRDUDE options to address your programmer
-# PROGRAMMER = -c pony-stk200
-PROGRAMMER = -c usbasp
-
-# since USBaspLoader supports HAVE_BLB11_SOFTW_LOCKBIT...
-LOCKOPT = -U lock:w:0x3f:m
-FUSEOPT = $(FUSEOPT_8)
-
-
-# standard atmega8 needs BODLEVEL to be programed, since it is a 5V device
-# you may also want to UNprogram SUT1 to get a SLOWER bootup (lfuse then would be 0x3f)
-FUSEOPT_8 = -U hfuse:w:0xc0:m -U lfuse:w:0x1f:m
-
-FUSEOPT_88 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
-FUSEOPT_168 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
-FUSEOPT_328 = -U lfuse:w:0xf7:m -U hfuse:w:0xda:m -U efuse:w:0x03:m
-# You may have to change the order of these -U commands.
-
-#---------------------------------------------------------------------
-# ATMega8
-#---------------------------------------------------------------------
-# Fuse high byte:
-# 0xc0 = 1 1 0 0 0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
-# ^ ^ ^ ^ ^ ^ ^------ BOOTSZ0
-# | | | | | +-------- BOOTSZ1
-# | | | | + --------- EESAVE (preserve EEPROM over chip erase)
-# | | | +-------------- CKOPT (full output swing)
-# | | +---------------- SPIEN (allow serial programming)
-# | +------------------ WDTON (WDT not always on)
-# +-------------------- RSTDISBL (reset pin is enabled)
-# Fuse low byte:
-# 0x9f = 1 0 0 1 1 1 1 1
-# ^ ^ \ / \--+--/
-# | | | +------- CKSEL 3..0 (external >8M crystal)
-# | | +--------------- SUT 1..0 (crystal osc, BOD enabled)
-# | +------------------ BODEN (BrownOut Detector enabled)
-# +-------------------- BODLEVEL (2.7V)
-#---------------------------------------------------------------------
-# ATMega88, ATMega168
-#---------------------------------------------------------------------
-# Fuse extended byte:
-# 0x00 = 0 0 0 0 0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
-# \+/
-# +------- BOOTSZ (00 = 2k bytes)
-# Fuse high byte:
-# 0xd6 = 1 1 0 1 0 1 1 0
-# ^ ^ ^ ^ ^ \-+-/
-# | | | | | +------ BODLEVEL 0..2 (110 = 1.8 V)
-# | | | | + --------- EESAVE (preserve EEPROM over chip erase)
-# | | | +-------------- WDTON (if 0: watchdog always on)
-# | | +---------------- SPIEN (allow serial programming)
-# | +------------------ DWEN (debug wire enable)
-# +-------------------- RSTDISBL (reset pin is enabled)
-# Fuse low byte:
-# 0xdf = 1 1 0 1 1 1 1 1
-# ^ ^ \ / \--+--/
-# | | | +------- CKSEL 3..0 (external >8M crystal)
-# | | +--------------- SUT 1..0 (crystal osc, BOD enabled)
-# | +------------------ CKOUT (if 0: Clock output enabled)
-# +-------------------- CKDIV8 (if 0: divide by 8)
-#---------------------------------------------------------------------
-# ATMega328P
-#---------------------------------------------------------------------
-# Fuse extended byte:
-# 0x03 = - - - - - 0 1 1
-# \-+-/
-# +------ BODLEVEL 0..2 (011 = 4.3V)
-# Fuse high byte:
-# 0xda = 1 1 0 1 1 0 1 0 <-- BOOTRST (0 = jump to bootloader at start)
-# ^ ^ ^ ^ ^ \+/
-# | | | | | +------- BOOTSZ 0..1 (01 = 2KB starting at 0x7800)
-# | | | | + --------- EESAVE (don't preserve EEPROM over chip erase)
-# | | | +-------------- WDTON (1 = watchdog disabled at start)
-# | | +---------------- SPIEN (0 = allow serial programming)
-# | +------------------ DWEN (1 = debug wire disable)
-# +-------------------- RSTDISBL (1 = reset pin is enabled)
-# Fuse low byte:
-# 0xf7 = 1 1 1 1 0 1 1 1
-# ^ ^ \ / \--+--/
-# | | | +------- CKSEL 3..0 (0111 = external full-swing crystal)
-# | | +--------------- SUT 1..0 (11 = startup time 16K CK/14K + 65ms)
-# | +------------------ CKOUT (1 = clock output disabled)
-# +-------------------- CKDIV8 (1 = do not divide clock by 8)
+include ../Makefile.inc
-
-###############################################################################
-
-# Tools:
-AVRDUDE = @echo avrdude $(PROGRAMMER) -p $(DEVICE)
-CC = avr-gcc
-
-# Options:
-DEFINES = #-DDEBUG_LEVEL=2
# Remove the -fno-* options when you use gcc 3, it does not understand them
-CFLAGS = -Wall -Os -fno-move-loop-invariants -fno-tree-scev-cprop -fno-inline-small-functions -I. -mmcu=$(DEVICE) -DBOOTLOADER_ADDRESS=0x$(BOOTLOADER_ADDRESS) -DF_CPU=$(F_CPU) $(DEFINES)
-LDFLAGS = -Wl,--relax,--gc-sections -Wl,--section-start=.text=$(BOOTLOADER_ADDRESS)
+CFLAGS = -Wall -Os -g3 -ggdb -fno-move-loop-invariants -fno-tree-scev-cprop -fno-inline-small-functions -I. -mmcu=$(DEVICE) -DBOOTLOADER_ADDRESS=$(BOOTLOADER_ADDRESS) -DF_CPU=$(F_CPU) $(DEFINES)
+LDFLAGS = -Wl,--relax,--gc-sections -Wl,--section-start=.text=$(BOOTLOADER_ADDRESS) -Wl,--defsym=nullVector=0
-OBJECTS = usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
+DEPENDS = bootloaderconfig.h ../Makefile.inc
# symbolic targets:
-all: main.hex
+all: main.hex $(DEPENDS)
-.c.o:
- $(CC) $(CFLAGS) -c $< -o $@
+usbdrv/usbdrvasm.o: usbdrv/usbdrvasm.S $(DEPENDS)
+ $(CC) -x assembler-with-cpp -c usbdrv/usbdrvasm.S -o usbdrv/usbdrvasm.o $(CFLAGS)
-.S.o:
- $(CC) $(CFLAGS) -x assembler-with-cpp -c $< -o $@
-# "-x assembler-with-cpp" should not be necessary since this is the default
-# file type for the .S (with capital S) extension. However, upper case
-# characters are not always preserved on Windows. To ensure WinAVR
-# compatibility define the file type manually.
+usbdrv/oddebug.o: usbdrv/oddebug.c $(DEPENDS)
+ $(CC) usbdrv/oddebug.c -c -o usbdrv/oddebug.o $(CFLAGS)
-.c.s:
- $(CC) $(CFLAGS) -S $< -o $@
+main.o: main.c $(DEPENDS)
+ $(CC) main.c -c -o main.o $(CFLAGS)
flash: all
+ $(ECHO) "."
$(AVRDUDE) -U flash:w:main.hex:i
+ $(ECHO) "."
+ $(ECHO) "."
readflash:
+ $(ECHO) "."
$(AVRDUDE) -U flash:r:read.hex:i
+ $(ECHO) "."
+ $(ECHO) "."
+
fuse:
+ $(ECHO) "."
$(AVRDUDE) $(FUSEOPT)
+ $(ECHO) "."
+ $(ECHO) "."
+
lock:
+ $(ECHO) "."
$(AVRDUDE) $(LOCKOPT)
+ $(ECHO) "."
+ $(ECHO) "."
+
read_fuses:
$(UISP) --rd_fuses
deepclean: clean
- rm -f *~
-
-clean:
- rm -f main.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
+ $(RM) *~
+
+clean:
+ $(RM) main.hex
+ $(RM) main.asm
+ $(RM) main.map
+ $(RM) main.elf
+ $(RM) main.o
+ $(RM) main.s
+ $(RM) usbdrv/usbdrvasm.o
+ $(RM) usbdrv/oddebug.o
+ $(RM) usbdrv/oddebug.s
+ $(RM) usbdrv/usbdrv.s
# file targets:
-main.bin: $(OBJECTS)
- $(CC) $(CFLAGS) -o main.bin $(OBJECTS) $(LDFLAGS)
-
-main.hex: main.bin
- rm -f main.hex main.eep.hex
- avr-objcopy -j .text -j .data -O ihex main.bin main.hex
- avr-size main.bin
-
-disasm: main.bin
- avr-objdump -d main.bin
-
-cpp:
+main.elf: usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o $(DEPENDS)
+ $(CC) $(CFLAGS) -o main.elf usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o -Wl,-Map,main.map $(LDFLAGS)
+
+main.asm: main.elf $(DEPENDS)
+ $(OBD) -Stdr main.elf > main.asm
+
+main.hex: main.elf main.asm $(DEPENDS)
+ $(RM) main.hex main.eep.hex
+ $(OBC) -j .text -j .data -O ihex main.elf main.hex
+ $(ECHO) "."
+ $(ECHO) "."
+ $(ECHO) "."
+ $(ECHO) "!!!ATTANTION!!!"
+ $(ECHO) "(data+text) MUST fit into your MCUs bootloader section"
+ $(ECHO) "."
+ $(SIZ) --mcu $(DEVICE) main.elf
+ $(ECHO) "."
+ $(ECHO) "."
+ $(ECHO) "."
+
+disasm: main.elf $(DEPENDS)
+ $(OBD) -d main.elf
+
+cpp: $(DEPENDS)
$(CC) $(CFLAGS) -E main.c
-
-# Special rules for generating hex files for various devices and clock speeds
-ALLHEXFILES = hexfiles/mega8_12mhz.hex hexfiles/mega8_15mhz.hex hexfiles/mega8_16mhz.hex \
- hexfiles/mega88_12mhz.hex hexfiles/mega88_15mhz.hex hexfiles/mega88_16mhz.hex hexfiles/mega88_20mhz.hex\
- hexfiles/mega168_12mhz.hex hexfiles/mega168_15mhz.hex hexfiles/mega168_16mhz.hex hexfiles/mega168_20mhz.hex\
- hexfiles/mega328p_12mhz.hex hexfiles/mega328p_15mhz.hex hexfiles/mega328p_16mhz.hex hexfiles/mega328p_20mhz.hex
-
-allhexfiles: $(ALLHEXFILES)
- $(MAKE) clean
- avr-size hexfiles/*.hex
-
-$(ALLHEXFILES):
- @[ -d hexfiles ] || mkdir hexfiles
- @device=`echo $@ | sed -e 's|.*/mega||g' -e 's|_.*||g'`; \
- clock=`echo $@ | sed -e 's|.*_||g' -e 's|mhz.*||g'`; \
- addr=`echo $$device | sed -e 's/\([0-9]\)8/\1/g' | awk '{printf("%x", ($$1 - 2) * 1024)}'`; \
- echo "### Make with F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr"; \
- $(MAKE) clean; \
- $(MAKE) main.hex F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr DEFINES=-DUSE_AUTOCONFIG=1
- mv main.hex $@
projects / pub / USBaspLoader.git / blobdiff