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author | Kjetil Orbekk <kjetil.orbekk@gmail.com> | 2016-02-05 20:09:18 -0500 |
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committer | Kjetil Orbekk <kjetil.orbekk@gmail.com> | 2016-02-05 20:09:18 -0500 |
commit | a97282bd712e8643a9a66016798025ccd0cf9a3e (patch) | |
tree | 5f82592b602762e46880974e360148644468a9ff |
Add blink example.
-rw-r--r-- | blink/Makefile | 16 | ||||
-rw-r--r-- | blink/blink.c | 15 |
2 files changed, 31 insertions, 0 deletions
diff --git a/blink/Makefile b/blink/Makefile new file mode 100644 index 0000000..890a892 --- /dev/null +++ b/blink/Makefile @@ -0,0 +1,16 @@ +PROJECT=blink +SOURCES=$(PROJECT).c +MMCU=attiny85 +F_CPU = 1000000 + +CFLAGS=-mmcu=$(MMCU) -Wall -Os -DF_CPU=$(F_CPU) + +$(PROJECT).hex: $(PROJECT).out + avr-objcopy -O ihex $(PROJECT).out $(PROJECT).c.hex;\ + avr-size --mcu=$(MMCU) --format=avr $(PROJECT).out + +$(PROJECT).out: $(SOURCES) + avr-gcc $(CFLAGS) -I./ -o $(PROJECT).out $(SOURCES) + +program: $(PROJECT).hex + avrdude -p $(MMCU) -c avrisp -P /dev/ttyUSB0 -b 19200 -U flash:w:$(PROJECT).c.hex diff --git a/blink/blink.c b/blink/blink.c new file mode 100644 index 0000000..5006606 --- /dev/null +++ b/blink/blink.c @@ -0,0 +1,15 @@ +#include <avr/io.h> +#include <util/delay.h> + +int main(void) { + DDRB |= _BV(PB1); + while (1) { + PORTB |= (1<<2); + PORTB &= ~(1<<3); + _delay_ms(500); + PORTB &= ~(1<<2); + PORTB |= (1<<3); + _delay_ms(500); + } + return 0; +} |