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port to atmega644 and reconfigure watchdog

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This commit is contained in:
David Voswinkel
2009-07-20 23:12:01 +02:00
parent 8bee3f786f
commit 9e1a9fffc5
3 changed files with 46 additions and 28 deletions
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13
avr/bootloader/Makefile
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@@ -1,7 +1,7 @@
# microcontroller and project specific settings
TARGET = bootloader
F_CPU = 20000000UL
F_CPU = 20000000
MCU = atmega644
SRC = bootloader.c
@@ -11,7 +11,7 @@ OBJECTS += $(patsubst %.S,%.o,${ASRC})
HEADERS += $(shell echo *.h)
# CFLAGS += -Werror
LDFLAGS += -L/usr/local/avr/avr/lib
CFLAGS += -Iusbdrv -I.
CFLAGS += -Iusbdrv -I. -Os
CFLAGS += -DHARDWARE_REV=$(HARDWARE_REV)
ASFLAGS += -x assembler-with-cpp
ASFLAGS += -Iusbdrv -I.
@@ -37,8 +37,11 @@ else ifeq ($(MCU),atmega88)
BOOT_SECTION_START = 0x1800
else ifeq ($(MCU),atmega644)
# atmega88 with 1024 words bootloader:
# bootloader section starts at 0x7e00 (word-address) == 0xFC00 (byte-address)
BOOT_SECTION_START = 0xFC00
# bootloader section starts at 0x7c00 (word-address) == 0xF800 (byte-address)
# atmega88 with 2024 words bootloader:
# bootloader section starts at 0x7800 (word-address) == 0xF000 (byte-address)
BOOT_SECTION_START = 0xf000
endif
LDFLAGS += -Wl,--section-start=.text=$(BOOT_SECTION_START)
@@ -54,7 +57,7 @@ all: $(TARGET).hex $(TARGET).lss
@echo "$(TARGET) compiled for: $(MCU)"
@echo -n "size is: "
@$(SIZE) -A $(TARGET).hex | grep "\.sec1" | tr -s " " | cut -d" " -f2
@echo "max size:2048 bytes"
@echo "max size:4096 bytes"
@echo "==============================="
$(TARGET): $(OBJECTS) $(TARGET).o