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UNTESTED fuse programming support

This commit is contained in:
Michael Moon 2010-12-13 21:34:03 +11:00
parent eaf8a9dcec
commit 0816cecf1e
4 changed files with 52 additions and 1 deletions
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10
Makefile
View File

@ -122,8 +122,16 @@ program: $(PROGRAM).hex config.h
$(AVRDUDE) -cstk500v1 -b$(PROGBAUD) -p$(MCU_TARGET) -P$(PROGPORT) -C$(AVRDUDECONF) -U flash:w:$^
stty 115200 raw ignbrk -hup -echo ixoff < $(PROGPORT)
program-fuses:
avr-objdump -s -j .fuse mendel.o | perl -ne '/\s0000\s([0-9a-f]{2})/ && print "$$1\n"' > lfuse
avr-objdump -s -j .fuse mendel.o | perl -ne '/\s0000\s..([0-9a-f]{2})/ && print "$$1\n"' > hfuse
avr-objdump -s -j .fuse mendel.o | perl -ne '/\s0000\s....([0-9a-f]{2})/ && print "$$1\n"' > efuse
$(AVRDUDE) -cstk500v1 -b$(PROGBAUD) -p$(MCU_TARGET) -P$(PROGPORT) -C$(AVRDUDECONF) -U lfuse:w:lfuse
$(AVRDUDE) -cstk500v1 -b$(PROGBAUD) -p$(MCU_TARGET) -P$(PROGPORT) -C$(AVRDUDECONF) -U hfuse:w:hfuse
$(AVRDUDE) -cstk500v1 -b$(PROGBAUD) -p$(MCU_TARGET) -P$(PROGPORT) -C$(AVRDUDECONF) -U efuse:w:efuse
clean:
rm -rf *.o *.elf *.lst *.map *.sym *.lss *.eep *.srec *.bin *.hex *.al *.i *.s *~
rm -rf *.o *.elf *.lst *.map *.sym *.lss *.eep *.srec *.bin *.hex *.al *.i *.s *~ *fuse
size: $(PROGRAM).elf
@echo " SIZE Atmega168 Atmega328p Atmega644"

15
README
View File

@ -18,10 +18,25 @@ Rewrite of Reprap Mendel firmware:
2) check programming settings in Makefile
3) make
4) make program
4a) if programming blank chip, make program-fuses
5) ./sender.sh
6) have a play, go to 1) if not right
7) try printing something!
##############################################################################
# #
# Requirements #
# #
##############################################################################
Compile:
gnu make
binutils, gcc, etc built for avr target (avr-gcc, avr-as, etc)
avr-libc
Program:
avrdude
something that avrdude supports: bootloader, separate programmer, whatever
##############################################################################
# #
# License #

27
fuses.h Normal file
View File

@ -0,0 +1,27 @@
#if defined (__AVR_ATmega168__)
FUSES = {
.low = FUSE_CKSEL3 & FUSE_SUT0,
.high = FUSE_SPIEN,
.extended = FUSE_BOOTSZ1 & FUSE_BOOTSZ0,
};
#elif defined (__AVR_ATmega328P__)
FUSES = {
.low = FUSE_CKSEL3 & FUSE_SUT0,
.high = FUSE_SPIEN & FUSE_BOOTSZ0 & FUSE_BOOTSZ1,
.extended = EFUSE_DEFAULT,
};
#elif defined (__AVR_ATmega644__) || defined (__AVR_ATmega644P__)
FUSES = {
.low = FUSE_CKSEL3 & FUSE_SUT0,
.high = FUSE_SPIEN & FUSE_BOOTSZ0 & FUSE_BOOTSZ1,
.extended = EFUSE_DEFAULT,
};
#elif defined (__AVR_ATmega1280__)
FUSES = {
.low = FUSE_CKSEL3 & FUSE_SUT0,
.high = FUSE_SPIEN & FUSE_BOOTSZ0 & FUSE_BOOTSZ1,
.extended = EFUSE_DEFAULT,
};
#else
#warning No fuse definitions for this chip in fuses.h!
#endif

1
mendel.c
View File

@ -3,6 +3,7 @@
#include <avr/interrupt.h>
#include "config.h"
#include "fuses.h"
#include "serial.h"
#include "dda_queue.h"