gpio.h File Reference

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Macros
#define	GPIO_DT_FLAGS_MASK   0x3F
	Mask for DT GPIO flags.
#define	GPIO_INT_WAKEUP   (1 << 28)
	Configures GPIO interrupt to wakeup the system from low power mode.
GPIO pin active level flags
#define	GPIO_ACTIVE_LOW   (1 << 0)
	GPIO pin is active (has logical value '1') in low state.
#define	GPIO_ACTIVE_HIGH   (0 << 0)
	GPIO pin is active (has logical value '1') in high state.
GPIO pin drive flags
#define	GPIO_OPEN_DRAIN   (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_DRAIN)
	Configures GPIO output in open drain mode (wired AND).
#define	GPIO_OPEN_SOURCE   (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_SOURCE)
	Configures GPIO output in open source mode (wired OR).
GPIO pin bias flags
#define	GPIO_PULL_UP   (1 << 4)
	Enables GPIO pin pull-up.
#define	GPIO_PULL_DOWN   (1 << 5)
	Enable GPIO pin pull-down.