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# Name: Makefile
# Project: hid-mouse example
# Author: Christian Starkjohann
# Creation Date: 2008-04-07
# Tabsize: 4
# Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
# License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
# This Revision: $Id: Makefile 692 2008-11-07 15:07:40Z cs $
DEVICE = atmega168
F_CPU = 16000000 # in Hz
FUSE_L = # see below for fuse values for particular devices
FUSE_H =
#AVRDUDE = avrdude -c usbasp -p $(DEVICE) # edit this line for your programmer
AVRDUDE = avrdude -P COM1 -b 19200 -c arduino -p $(DEVICE)
CFLAGS = -Iusbdrv -I. -DDEBUG_LEVEL=1
OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
COMPILE = avr-gcc -Wall -Os -DF_CPU=$(F_CPU) $(CFLAGS) -mmcu=$(DEVICE)
##############################################################################
# Fuse values for particular devices
##############################################################################
# If your device is not listed here, go to
# http://palmavr.sourceforge.net/cgi-bin/fc.cgi
# and choose options for external crystal clock and no clock divider
#
################################## ATMega8 ##################################
# ATMega8 FUSE_L (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)
# ATMega8 FUSE_H (Fuse high byte):
# 0xc9 = 1 1 0 0 1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000)
# ^ ^ ^ ^ ^ ^ ^------ BOOTSZ0
# | | | | | +-------- BOOTSZ1
# | | | | + --------- EESAVE (don't preserve EEPROM over chip erase)
# | | | +-------------- CKOPT (full output swing)
# | | +---------------- SPIEN (allow serial programming)
# | +------------------ WDTON (WDT not always on)
# +-------------------- RSTDISBL (reset pin is enabled)
#
############################## ATMega48/88/168 ##############################
# ATMega*8 FUSE_L (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)
# ATMega*8 FUSE_H (Fuse high byte):
# 0xde = 1 1 0 1 1 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)
#
############################## ATTiny25/45/85 ###############################
# ATMega*5 FUSE_L (Fuse low byte):
# 0xef = 1 1 1 0 1 1 1 1
# ^ ^ \+/ \--+--/
# | | | +------- CKSEL 3..0 (clock selection -> crystal @ 12 MHz)
# | | +--------------- SUT 1..0 (BOD enabled, fast rising power)
# | +------------------ CKOUT (clock output on CKOUT pin -> disabled)
# +-------------------- CKDIV8 (divide clock by 8 -> don't divide)
# ATMega*5 FUSE_H (Fuse high byte):
# 0xdd = 1 1 0 1 1 1 0 1
# ^ ^ ^ ^ ^ \-+-/
# | | | | | +------ BODLEVEL 2..0 (brownout trigger level -> 2.7V)
# | | | | +---------- EESAVE (preserve EEPROM on Chip Erase -> not preserved)
# | | | +-------------- WDTON (watchdog timer always on -> disable)
# | | +---------------- SPIEN (enable serial programming -> enabled)
# | +------------------ DWEN (debug wire enable)
# +-------------------- RSTDISBL (disable external reset -> enabled)
#
################################ ATTiny2313 #################################
# ATTiny2313 FUSE_L (Fuse low byte):
# 0xef = 1 1 1 0 1 1 1 1
# ^ ^ \+/ \--+--/
# | | | +------- CKSEL 3..0 (clock selection -> crystal @ 12 MHz)
# | | +--------------- SUT 1..0 (BOD enabled, fast rising power)
# | +------------------ CKOUT (clock output on CKOUT pin -> disabled)
# +-------------------- CKDIV8 (divide clock by 8 -> don't divide)
# ATTiny2313 FUSE_H (Fuse high byte):
# 0xdb = 1 1 0 1 1 0 1 1
# ^ ^ ^ ^ \-+-/ ^
# | | | | | +---- RSTDISBL (disable external reset -> enabled)
# | | | | +-------- BODLEVEL 2..0 (brownout trigger level -> 2.7V)
# | | | +-------------- WDTON (watchdog timer always on -> disable)
# | | +---------------- SPIEN (enable serial programming -> enabled)
# | +------------------ EESAVE (preserve EEPROM on Chip Erase -> not preserved)
# +-------------------- DWEN (debug wire enable)
# symbolic targets:
help:
@echo "This Makefile has no default rule. Use one of the following:"
@echo "make hex ....... to build main.hex"
@echo "make program ... to flash fuses and firmware"
@echo "make fuse ...... to flash the fuses"
@echo "make flash ..... to flash the firmware (use this on metaboard)"
@echo "make clean ..... to delete objects and hex file"
hex: main.hex
program: flash fuse
# rule for programming fuse bits:
fuse:
@[ "$(FUSE_H)" != "" -a "$(FUSE_L)" != "" ] || \
{ echo "*** Edit Makefile and choose values for FUSE_L and FUSE_H!"; exit 1; }
$(AVRDUDE) -U hfuse:w:$(FUSE_H):m -U lfuse:w:$(FUSE_L):m
# rule for uploading firmware:
flash: main.hex
$(AVRDUDE) -U flash:w:main.hex:i
# rule for deleting dependent files (those which can be built by Make):
clean:
rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.elf *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
# Generic rule for compiling C files:
.c.o:
$(COMPILE) -c $< -o $@
# Generic rule for assembling Assembler source files:
.S.o:
$(COMPILE) -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.
# Generic rule for compiling C to assembler, used for debugging only.
.c.s:
$(COMPILE) -S $< -o $@
# file targets:
# Since we don't want to ship the driver multipe times, we copy it into this project:
usbdrv:
cp -r ../usbdrv .
main.elf: usbdrv $(OBJECTS) # usbdrv dependency only needed because we copy it
$(COMPILE) -o main.elf $(OBJECTS)
main.hex: main.elf
rm -f main.hex main.eep.hex
avr-objcopy -j .text -j .data -O ihex main.elf main.hex
avr-size main.hex
# debugging targets:
disasm: main.elf
avr-objdump -d main.elf
cpp:
$(COMPILE) -E main.c
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