# 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)
include ../Makefile.inc
-# 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=$(DEVICE) -DBOOTLOADER_ADDRESS=$(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)
-install: main.hex
- cp -Rvp main.hex ./hexfiles/usbasploader.hex
+usbdrv/usbdrvasm.o: usbdrv/usbdrvasm.S $(DEPENDS)
+ $(CC) -x assembler-with-cpp -c usbdrv/usbdrvasm.S -o usbdrv/usbdrvasm.o $(CFLAGS)
-.c.o:
- $(CC) $(CFLAGS) -c $< -o $@
+usbdrv/oddebug.o: usbdrv/oddebug.c $(DEPENDS)
+ $(CC) usbdrv/oddebug.c -c -o usbdrv/oddebug.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.
-
-.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
- $(OBC) -j .text -j .data -O ihex main.bin main.hex
- $(SIZ) main.bin
-
-disasm: main.bin
- $(OBD) -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
- $(SIZ) hexfiles/*.hex
-
-$(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 $@