24 lines
434 B
C
24 lines
434 B
C
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#ifndef BUTTON_H_INCLUDED
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#define BUTTON_H_INCLUDED
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extern volatile int button_press_pending;
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/* Selectors: PB8, PB9 */
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#define PSEL_0 (1 << 8)
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#define PSEL_1 (1 << 9)
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/* Input lines: PH6, PA8, PB15, PB14 */
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#define PLINE_0 (1 << 6)
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#define PLINE_1 (1 << 8)
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#define PLINE_2 (1 << 15)
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#define PLINE_3 (1 << 14)
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#define PUSER (1 << 11)
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void button_setup(void);
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void button_start_read(void);
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int button_is_pressed(void);
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#endif
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