| 0,0 → 1,62 |
|---|
| # makefile, written by guido socher |
| MCU=atmega8 |
| #MCU=at90s4433 |
| CC=avr-gcc |
| OBJCOPY=avr-objcopy |
| # optimize for size: |
| CFLAGS=-g -mmcu=$(MCU) -Wall -Wstrict-prototypes -Os -mcall-prologues |
| #------------------- |
| all: avrm8ledtest.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." |
| #------------------- |
| avrm8ledtest.hex : avrm8ledtest.out |
| $(OBJCOPY) -R .eeprom -O ihex avrm8ledtest.out avrm8ledtest.hex |
| avrm8ledtest.out : avrm8ledtest.o |
| $(CC) $(CFLAGS) -o avrm8ledtest.out -Wl,-Map,avrm8ledtest.map avrm8ledtest.o |
| avrm8ledtest.o : avrm8ledtest.c |
| $(CC) $(CFLAGS) -Os -c avrm8ledtest.c |
| #------------------ |
| load: avrm8ledtest.hex |
| ./prg_load_uc avrm8ledtest.hex |
| # here is a pre-compiled version in case you have trouble with |
| # your development environment |
| load_pre: avrm8ledtest_pre.hex |
| ./prg_load_uc avrm8ledtest.hex |
| # |
| loaduisp: avrm8ledtest.hex |
| ./prg_load_uc -u avrm8ledtest.hex |
| # here is a pre-compiled version in case you have trouble with |
| # your development environment |
| load_preuisp: avrm8ledtest_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 *t.hex |
| #------------------- |