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-rw-r--r--n/avr/howto/Makefile78
1 files changed, 77 insertions, 1 deletions
diff --git a/n/avr/howto/Makefile b/n/avr/howto/Makefile
index 3d013f6..bbc542e 100644
--- a/n/avr/howto/Makefile
+++ b/n/avr/howto/Makefile
@@ -1,4 +1,80 @@
-doc: howto-avr.html
+PRG = example
+OBJECTS = example.o
+DOC = howto-avr.html
+# atmega8, atmega8535, atmega128...
+MCU_TARGET = atmega8
+# -O2 : speed
+# -Os : size
+OPTIMIZE = -O2
+
+DEFS =
+LIBS =
+
+# You should not have to change anything below here.
+
+CC = avr-gcc
+
+CFLAGS = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET)
+CPPFLAGS = $(DEFS)
+LDFLAGS = -Wl,-Map,$(PRG).map
+
+OBJCOPY = avr-objcopy
+OBJDUMP = avr-objdump
+
+all: elf lst hex
+
+elf: $(PRG).elf
+lst: $(PRG).lst
+
+$(PRG).elf: $(OBJECTS)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
+
+%.lst: %.elf
+ $(OBJDUMP) -h -S $< > $@
+
+clean:
+ rm -f *.o $(PRG).elf *.bak
+ rm -f *.lst *.map $(EXTRA_CLEAN_FILES)
+ rm -f $(PRG).hex $(PRG).bin $(PRG).srec $(PRG)_eeprom.hex $(PRG)_eeprom.bin $(PRG)_eeprom.srec
+
+# Rules for building the doc.
+
+doc: $(DOC)
%.html: %.txt
aft $<
+
+# Rules for building the .text rom images.
+
+text: hex bin srec
+
+hex: $(PRG).hex
+bin: $(PRG).bin
+srec: $(PRG).srec
+
+%.hex: %.elf
+ $(OBJCOPY) -j .text -j .data -O ihex $< $@
+
+%.srec: %.elf
+ $(OBJCOPY) -j .text -j .data -O srec $< $@
+
+%.bin: %.elf
+ $(OBJCOPY) -j .text -j .data -O binary $< $@
+
+# Rules for building the .eeprom rom images.
+
+eeprom: ehex ebin esrec
+
+ehex: $(PRG)_eeprom.hex
+ebin: $(PRG)_eeprom.bin
+esrec: $(PRG)_eeprom.srec
+
+%_eeprom.hex: %.elf
+ $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@
+
+%_eeprom.srec: %.elf
+ $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O srec $< $@
+
+%_eeprom.bin: %.elf
+ $(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O binary $< $@
+