0,0 → 1,61 |
# makefile, written by guido socher |
MCU=atmega128 |
CC=avr-gcc |
OBJCOPY=avr-objcopy |
# optimize for size: |
CFLAGS=-g -mmcu=$(MCU) -Wall -Wstrict-prototypes -Os -mcall-prologues |
#------------------- |
all: blik.hex |
#------------------- |
help: |
@echo "Usage: make all|load|load_pre|rdfuses|wrfuse1mhz|wrfuse4mhz|wrfusecrystal" |
@echo "Warning: you will not be able to undo wrfusecrystal unless you connect an" |
@echo " external crystal! uC is dead after wrfusecrystal if you do not" |
@echo " have an external crystal." |
#------------------- |
blik.hex : blik.out |
$(OBJCOPY) -R .eeprom -O ihex blik.out blik.hex |
blik.out : blik.o |
$(CC) $(CFLAGS) -o blik.out -Wl,-Map,blik.map blik.o |
blik.o : blik.c |
$(CC) $(CFLAGS) -Os -c blik.c |
#------------------ |
load: $(FILE).hex |
./prg_load_uc $(FILE).hex |
# here is a pre-compiled version in case you have trouble with |
# your development environment |
load_pre: $(FILE).hex |
./prg_load_uc $(FILE)_pre.hex |
# |
loaduisp: $(FILE).hex |
./prg_load_uc -u $(FILE).hex |
# here is a pre-compiled version in case you have trouble with |
# your development environment |
load_preuisp: $(FILE)_pre.hex |
./prg_load_uc -u avrm8ledtest.hex |
#------------------- |
# fuse byte settings: |
# Atmel AVR ATmega8 |
# Fuse Low Byte = 0xe1 (1MHz internal), 0xe3 (4MHz internal), 0xe4 (8MHz internal) |
# Fuse High Byte = 0xd9 |
# Factory default is 0xe1 for low byte and 0xd9 for high byte |
# Check this with make rdfuses |
rdfuses: |
./prg_fusebit_uc -r |
# use internal RC oscillator 1 Mhz |
wrfuse1mhz: |
./prg_fusebit_uc -w 1 |
# use internal RC oscillator 4 Mhz |
wrfuse4mhz: |
./prg_fusebit_uc -w 4 |
# use external 3-8 Mhz crystal |
# Warning: you can not reset this to intenal unless you connect a crystal!! |
wrfusecrystal: |
@echo "Warning: The external crystal setting can not be changed back without a working crystal" |
@echo " You have 3 seconds to abort this with crtl-c" |
@sleep 3 |
./prg_fusebit_uc -w 0 |
#------------------- |
clean: |
rm -f *.o *.map *.out *.hex |
#------------------- |