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#
# Copyright 2009 Ettus Research LLC
#
##################################################
# Compiler
##################################################
CC = avr-gcc
OBJCOPY = avr-objcopy
STRIP = avr-strip
OBJDUMP = avr-objdump
SREC = srec_cat
CFLAGS = -Os -std=gnu99 -Wall -fshort-enums -pedantic-errors -Wl,--gc-sections \
-Wstrict-prototypes -Wmissing-prototypes -Wcast-align -Wshadow \
-DENABLE_SERIAL -DCHARGER_TI -DLED_POLARITY -DDEBUG_VOID
# -DENABLE_SERIAL : Output serial debug
# -DCHARGER_TI : Use TI charger (rev B) instead of LTC (rev A)
# -DLED_POLARITY : Dual-polarity LED on rev B
# -DDDR3L : Lower DDR voltage (rev B R-divider changed, so disable this to get back into nominal range)
# -DDEBUG_VOID : Use (void) debug function replacements instead of inline NOOP (use if .text overflows)
# -DI2C_REWORK : Rev A only
# -DDEBUG : Enable debug routines (LED blinks, etc)
# -DDEBUG_SAFETY : Extra debug prints
# -DATTINY88_DIP : ATTINY88 DIP testing on STK600
# -DHARDWIRE_ENABLE : LTC3675 dedicated enable lines - don't use
#-Werror
#-D IO_DEBUG
##################################################
# Files
##################################################
HDRS =
SRCS = main.c io.c power.c ltc3675.c i2c.c debug.c bq24190.c
TARGET = main
##################################################
# Device
##################################################
MMCU = attiny88
#PROGRAMMER = avrisp2
PROGRAMMER = stk600
PORT = usb
AVRDUDE = avrdude -p $(MMCU) -c $(PROGRAMMER) -P $(PORT)
##################################################
# Global Targets
##################################################
all: $(TARGET).hex
clean:
$(RM) *.o *.elf *.hex
install: all
$(AVRDUDE) -U flash:w:$(TARGET).hex:i
##################################################
# Dependency Targets
##################################################
fuses.hex: $(TARGET).elf
$(OBJCOPY) -j .fuse -O ihex $< $@ --change-section-lma .fuse=0
lfuse.hex: fuses.hex
$(SREC) $< -Intel -crop 0x00 0x01 -offset 0x00 -O $@ -Intel
hfuse.hex: fuses.hex
$(SREC) $< -Intel -crop 0x01 0x02 -offset -0x01 -O $@ -Intel
$(TARGET).hex: $(TARGET).elf
$(OBJCOPY) -R .eeprom -R .fuse -O ihex $< $@
$(TARGET).elf: $(SRCS:.c=.o)
$(CC) -mmcu=$(MMCU) $^ -o $@
%.o: %.c $(HDRS) Makefile
$(CC) -mmcu=$(MMCU) -c $< -o $@ $(CFLAGS)
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