diff options
| -rw-r--r-- | keyboard/Makefile | 8 | ||||
| -rw-r--r-- | keyboard/keyboard.c | 14 |
2 files changed, 22 insertions, 0 deletions
diff --git a/keyboard/Makefile b/keyboard/Makefile new file mode 100644 index 0000000..59a5540 --- /dev/null +++ b/keyboard/Makefile @@ -0,0 +1,8 @@ + +default: + # compile for attiny85 with warnings, optimizations, and 16.5MHz clock frequency + avr-gcc -Wall -Os -mmcu=attiny85 -o keyboard.o keyboard.c + avr-objcopy -j .text -j .data -O ihex keyboard.o keyboard.hex + +clean: /dev/null + rm -f keyboard.o keyboard.hex diff --git a/keyboard/keyboard.c b/keyboard/keyboard.c new file mode 100644 index 0000000..dbba981 --- /dev/null +++ b/keyboard/keyboard.c @@ -0,0 +1,14 @@ +#include <avr/eeprom.h> +#include <avr/io.h> +#define F_CPU 16500000L // 16.5 MHZ +#include <util/delay.h> + +int main() { + DDRB |= _BV(DDB1); + while (1) { + PORTB ^= _BV(PB1); + _delay_ms(100); + PORTB ^= _BV(PB1); + _delay_ms(900); + } +} |