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Makefile
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Makefile
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# Name: Makefile
# Project: AQ-IRR-1
# Author: Andrey Grigorev
# Creation Date: 2022-02-16
# Tabsize: 4
# Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH
# License: GPLv2.
VERSION=V9_0
PROJ=AQIRR1
TARGET_NAME=$(PROJ)_$(VERSION)
DEVICE=attiny45
AVRDUDE = avrdude -c arduino -P /dev/ttyACM0 -p $(DEVICE)
# The two lines above are for "avrdude" and the STK500 programmer connected
# to an USB to serial converter to a Mac running Mac OS X.
# Choose your favorite programmer and interface.
COMPILE = avr-gcc -Wall -Os -Iusbdrv -I. -mmcu=$(DEVICE) -DF_CPU=16500000 -DDEBUG_LEVEL=0
# NEVER compile the final product with debugging! Any debug output will
# distort timing so that the specs can't be met.
OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o RC_func/ir_funcs.o
# symbolic targets:
all: $(TARGET_NAME).hex
.c.o:
$(COMPILE) -c $< -o $@
.S.o:
$(COMPILE) -x assembler-with-cpp -c $< -o $@
# "-x assembler-with-cpp" should not be necessary since this is the default
# file type for the .S (with capital S) extension. However, upper case
# characters are not always preserved on Windows. To ensure WinAVR
# compatibility define the file type manually.
.c.s:
$(COMPILE) -S $< -o $@
flash: all
$(AVRDUDE) -U flash:w:$(TARGET_NAME).hex:i -F
# Fuse high byte:
# 0xdd = 1 1 0 1 1 1 0 1
# ^ ^ ^ ^ ^ \-+-/
# | | | | | +------ BODLEVEL 2..0 (brownout trigger level -> 2.7V)
# | | | | +---------- EESAVE (preserve EEPROM on Chip Erase -> not preserved)
# | | | +-------------- WDTON (watchdog timer always on -> disable)
# | | +---------------- SPIEN (enable serial programming -> enabled)
# | +------------------ DWEN (debug wire enable)
# +-------------------- RSTDISBL (disable external reset -> enabled)
#
# Fuse low byte:
# 0xe1 = 1 1 1 0 0 0 0 1
# ^ ^ \+/ \--+--/
# | | | +------- 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)
fuse:
$(AVRDUDE) -U hfuse:w:0xdd:m -U lfuse:w:0xe1:m -F
readcal:
$(AVRDUDE) -U calibration:r:/dev/stdout:i | head -1
clean:
rm -f $(TARGET_NAME).hex $(TARGET_NAME).lst $(TARGET_NAME).obj $(TARGET_NAME).cof $(TARGET_NAME).list $(TARGET_NAME).map $(TARGET_NAME).eep.hex $(TARGET_NAME).bin *.o usbdrv/*.o RC_func/*.o RC_func/*.s $(TARGET_NAME).s usbdrv/oddebug.s usbdrv/usbdrv.s
# file targets:
$(TARGET_NAME).hex: $(TARGET_NAME).bin
rm -f $(TARGET_NAME).hex $(TARGET_NAME).eep.hex
avr-objcopy -j .text -j .data -O ihex $(TARGET_NAME).bin $(TARGET_NAME).hex
./checksize $(TARGET_NAME).bin 4096 256
# do the checksize script as our last action to allow successful compilation
# on Windows with WinAVR where the Unix commands will fail.
$(TARGET_NAME).bin: $(OBJECTS)
$(COMPILE) -o $(TARGET_NAME).bin $(OBJECTS)
disasm: $(TARGET_NAME).bin
avr-objdump -d $(TARGET_NAME).bin
cpp:
$(COMPILE) -E main.c