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CC = avr-gcc
CFLAGS = -O2 -Wall -Wextra -mmcu=atmega328p --param=min-pagesize=0
OBJCOPY = avr-objcopy
PORT ?= /dev/ttyACM0
all: notes lcd
notes:
${CC} ${CFLAGS} notes.c
${OBJCOPY} -j .text -j .data -O ihex a.out notes.hex
rm -f a.out
flash_notes: notes
avrdude -p atmega328p -c arduino -P ${PORT} -b 115200 -U flash:w:notes.hex:i
lcd:
${CC} ${CFLAGS} lcd.c
${OBJCOPY} -j .text -j .data -O ihex a.out lcd.hex
rm -f a.out
flash_lcd: lcd
avrdude -p atmega328p -c arduino -P ${PORT} -b 115200 -U flash:w:lcd.hex:i
serial_setup:
stty -F ${PORT} raw speed 9600 cs8 -cstopb -parenb
serial_open:
od -x --endian=big -w4 ${PORT}
serial_obsd:
cu -l ${PORT} -s 9600 | hexdump -C
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