2019-11-29 02:05:30 -07:00
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#ifndef __GPIO_H_INCLUDED
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#define __GPIO_H_INCLUDED
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2019-12-01 15:43:05 -07:00
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#define GPIO_BUTTON_COUNT 4
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2019-12-01 14:34:57 -07:00
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2019-12-01 15:43:05 -07:00
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#define GRB_STATE_BUTTON1 (1 << 0)
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#define GRB_STATE_BUTTON2 (1 << 1)
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#define GRB_STATE_BUTTON3 (1 << 2)
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#define GRB_STATE_BUTTON4 (1 << 3)
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#define GSB_BACKLIGHT_MAX 1023
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2019-12-01 14:34:57 -07:00
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2019-11-29 02:05:30 -07:00
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extern int Gpio_setup(void);
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extern void Gpio_cleanup(void);
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2019-12-01 01:02:08 -07:00
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extern int Gpio_read_buttons(void);
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2019-12-01 14:34:57 -07:00
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extern void Gpio_set_backlight(unsigned level);
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2019-11-29 02:05:30 -07:00
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#endif /* __GPIO_H_INCLUDED */
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