# FunkUsb, HID:Joystick version
#240611 Makefile modernized, no intermediate object files, binary .flash file
P = FunkUsb
D = attiny25
F = 16500000
AVRDUDE = avrdude -c pony-stk200 -P lpt1 -p $D
USBDRV = ../../usbdrv
WINAVR = c:/Programme/WinAVR
PATH := $(WINAVR)/gcc1010/bin;$(PATH)
CC = avr-gcc -Wall -Os -fno-move-loop-invariants -I. -I$(USBDRV) -mmcu=$D -DF_CPU=$F
SRC = $(USBDRV)/usbdrvasm.S $P.c
# symbolic targets:
all: $P.flash $P.lst
flash: $P.flash
$(AVRDUDE) -U $@:w:$<:r
# Fuse high byte:
HFUSE=0b11010101
# │││││└┴┴BODLEVEL 2..0 (brownout trigger level → 2.7V)
# ││││└───EESAVE (preserve EEPROM on Chip Erase → preserve)
# │││└────WDTON (watchdog timer always on → disable)
# ││└─────SPIEN (enable serial programming → enabled)
# │└──────DWEN (debug wire enable → disabled)
# └───────RSTDISBL (disable external reset → enabled)
# Fuse low byte:
LFUSE=0b11100001
# ││└┤└┴┴┴CKSEL 3..0 (clock selection → HF PLL)
# ││ └────SUT 1..0 (BOD enabled, fast rising power)
# │└──────CKOUT (clock output on CKOUT pin → disabled)
# └───────CKDIV8 (divide clock by 8 → don't divide)
program:
$(AVRDUDE) -U hfuse:w:$(HFUSE):m -U lfuse:w:$(LFUSE):m -U flash:w:$P.flash:r
readcal:
$(AVRDUDE) -U calibration:r:con:i
clean:
rm -f $P.flash $P.eeprom $P.lst $P.elf
# file targets:
$P.elf: $(SRC) *.h Makefile
$(CC) -o $@ $(SRC)
$(WINAVR)/bin/avr-size --mcu=$D -C $@
%.flash: %.elf
avr-objcopy -j .text -j .data -O binary $< $@
%.lst: %.elf
avr-objdump -d $< >$@
avr-strip $<
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