rooty/Arduino
1
0
Fork 0
mirror of https://github.com/arduino/Arduino.git synced 2025-02-19 13:54:23 +01:00
Code Issues Releases Activity

One bootloader for the Diecimila and NG - just different makefile targets to pass in slightly different defines.

Browse Source
This commit is contained in:
David A. Mellis 2007-07-18 22:11:27 +00:00
parent 2e287ffb6a
commit 4659e60810
2 changed files with 32 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
bootloader168-diecimila/ATmegaBOOT_168.c
View File

@ -78,7 +78,8 @@
/* 20060803: hacked by DojoCorp */
/* 20070626: hacked by David A. Mellis to decrease waiting time for auto-reset */
/* set the waiting time for the bootloader */
#define MAX_TIME_COUNT (F_CPU>>4)
/* get this from the Makefile instead */
/* #define MAX_TIME_COUNT (F_CPU>>4) */
/* 20070707: hacked by David A. Mellis - after this many errors give up and launch application */
#define MAX_ERROR_COUNT 5
@ -357,9 +358,9 @@ int main(void)
/* flash onboard LED to signal entering of bootloader */
#ifdef __AVR_ATmega128__
// 4x for UART0, 5x for UART1
flash_led(3 + bootuart);
flash_led(NUM_LED_FLASHES + bootuart);
#else
flash_led(1);
flash_led(NUM_LED_FLASHES);
#endif
/* 20050803: by DojoCorp, this is one of the parts provoking the

46
bootloader168-diecimila/Makefile
View File

@ -2,6 +2,18 @@
# E.Lins, 18.7.2005
# $Id$
# Instructions
#
# To build the bootloader for the Diecimila:
# make diecimila
#
# To build the bootloader for the NG/Mini:
# make ng
#
# To burn the bootloader:
# make TARGET=diecimila isp
# make TARGET=ng isp
# program name should not be changed...
PROGRAM = ATmegaBOOT_168
@ -26,13 +38,13 @@ LDSECTION = --section-start=.text=0x3800
# lock it), but since the high two bits of the lock byte are
# unused, avrdude would get confused.
ISPFUSES = avrdude -c $(ISPTOOL) -p m168 -P $(ISPPORT) $(ISPSPEED) -e -u -U lock:w:0x3f:m -U efuse:w:0x00:m -U hfuse:w:0xdf:m -U lfuse:w:0xff:m
ISPFLASH = avrdude -c $(ISPTOOL) -p m168 -P $(ISPPORT) $(ISPSPEED) -U flash:w:$(PROGRAM).hex -U lock:w:0x0f:m
ISPFLASH = avrdude -c $(ISPTOOL) -p m168 -P $(ISPPORT) $(ISPSPEED) -U flash:w:$(PROGRAM)_$(TARGET).hex -U lock:w:0x0f:m
OBJ = $(PROGRAM).o
OPTIMIZE = -O2
DEFS =
DEFS =
LIBS =
CC = avr-gcc
@ -41,37 +53,35 @@ CC = avr-gcc
# Override is only needed by avr-lib build system.
override CFLAGS = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) -DF_CPU=$(AVR_FREQ) $(DEFS)
override LDFLAGS = -Wl,-Map,$(PROGRAM).map,$(LDSECTION)
override LDFLAGS = -Wl,$(LDSECTION)
#override LDFLAGS = -Wl,-Map,$(PROGRAM).map,$(LDSECTION)
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
all: $(PROGRAM).elf lst text
all:
isp: $(PROGRAM).hex
diecimila: TARGET = diecimila
diecimila: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>4' '-DNUM_LED_FLASHES=1'
diecimila: $(PROGRAM)_diecimila.hex
ng: TARGET = ng
ng: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>1' '-DNUM_LED_FLASHES=3'
ng: $(PROGRAM)_ng.hex
isp: $(PROGRAM)_$(TARGET).hex
$(ISPFUSES)
$(ISPFLASH)
$(PROGRAM).elf: $(OBJ)
%.elf: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
clean:
rm -rf *.o *.elf *.lst *.map *.sym *.lss *.eep
rm -rf $(PROGRAM).hex $(PROGRAM).srec $(PROGRAM).bin
lst: $(PROGRAM).lst
rm -rf *.o *.elf *.lst *.map *.sym *.lss *.eep *.srec *.bin *.hex
%.lst: %.elf
$(OBJDUMP) -h -S $< > $@
# Rules for building the .text rom images
text: hex bin srec
hex: $(PROGRAM).hex
bin: $(PROGRAM).bin
srec: $(PROGRAM).srec
%.hex: %.elf
$(OBJCOPY) -j .text -j .data -O ihex $< $@