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- # Name: Makefile
- # Project: custom-class 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 = atmega16
- F_CPU = 16000000 # in Hz
- FUSE_L = # see below for fuse values for particular devices
- FUSE_H =
- #AVRDUDE = avrdude -c stk500v2 -p $(DEVICE) -P /dev/tty.PL2303-00002006
- AVRDUDE = sudo avrdude -c stk500v2 -p $(DEVICE) -P /dev/tty.PL2303-00002126
- CFLAGS = -Iusbdrv -I. -DDEBUG_LEVEL=0
- #-std=gnu99
- OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o uart.o fifo.o sram.o crc.o debug.o
- COMPILE = avr-gcc -Wall -Os -DF_CPU=$(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"
- all: hex
- 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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