2019-08-03 23:42:59 +00:00
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#
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# Usage: make I2C_ADDR=8
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#
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2019-07-07 01:59:39 +00:00
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ifndef TTY
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TTY=/dev/ttyACM0
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endif
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ifndef TARGET
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2019-07-14 15:15:38 +00:00
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TARGET=i2c_timer_pwm
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2019-07-07 01:59:39 +00:00
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endif
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MCU=attiny85
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AVRDUDEMCU=t85
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CC=/usr/bin/avr-gcc
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2019-08-03 23:42:59 +00:00
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CFLAGS=-g -Os -Wall -mcall-prologues -mmcu=$(MCU) -DI2C_SLAVE_ADDRESS=$(I2C_ADDR)
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2019-07-07 01:59:39 +00:00
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OBJ2HEX=/usr/bin/avr-objcopy
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AVRDUDE=avrdude
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# See http://www.engbedded.com/fusecalc for fuse settings
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# /usr/bin/avrdude -C/etc/avrdude/avrdude.conf -v -pattiny85 -cstk500v1 -P/dev/ttyACM0 -b19200 -Uflash:w:/tmp/arduino_build_108059/i2c.ino.hex:i
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#
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2019-08-07 01:36:22 +00:00
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# lfuse=0xe2 = 8 Mghz
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# lfuse=0xe1 = 16 Mghz
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2019-07-07 01:59:39 +00:00
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all:
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$(CC) $(CFLAGS) $(TARGET).c usiTwiSlave.c -o$(TARGET)
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$(OBJ2HEX) -R .eeprom -O ihex $(TARGET) $(TARGET).hex
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burn:
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2019-08-07 01:36:22 +00:00
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$(AVRDUDE) -p $(MCU) -P $(TTY) -C/etc/avrdude/avrdude.conf -v -c avrisp -b 19200 -U flash:w:$(TARGET).hex -U lfuse:w:0xe1:m -U hfuse:w:0xdd:m -U efuse:w:0xff:m
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2019-07-07 01:59:39 +00:00
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clean:
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rm -f *.hex *.obj *.o
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