22 lines
331 B
C
22 lines
331 B
C
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#ifndef BUTTON_H_
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#define BUTTON_H_
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#include <avr/io.h>
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/* button driver */
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#define BUTTON_DDR DDRB
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#define BUTTON_PORT PORTB
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#define BUTTON_REG PINB
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#define BUTTON_PIN 1
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typedef enum {
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BUTTON_RELEASED = 0,
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BUTTON_PRESSED = 1
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} button_state_t;
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void button_init();
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button_state_t button_is_pressed();
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#endif // BUTTON_H_
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