GPIO: General Purpose Input / Output

Overview

Data Structures
struct	gpio_pin_config_t
	The GPIO pin configuration structure. More...

Enumerations
enum	gpio_pin_t {   kGPIO_GPIO0 = GPIO_PIN_ADDRESS(1, 0, PCRM_PAD_GPIO0),   kGPIO_GPIO1 = GPIO_PIN_ADDRESS(1, 1, PCRM_PAD_GPIO1),   kGPIO_GPIO2 = GPIO_PIN_ADDRESS(1, 2, PCRM_PAD_GPIO2),   kGPIO_GPIO3 = GPIO_PIN_ADDRESS(1, 3, PCRM_PAD_GPIO3),   kGPIO_GPIO4 = GPIO_PIN_ADDRESS(0, 19, PCRM_PAD_GPIO4),   kGPIO_GPIO5 = GPIO_PIN_ADDRESS(0, 20, PCRM_PAD_GPIO5),   kGPIO_ATX_A = GPIO_PIN_ADDRESS(0, 6, PCRM_PAD_ATX_A),   kGPIO_ATX_B = GPIO_PIN_ADDRESS(0, 4, PCRM_PAD_ATX_B),   kGPIO_ATX_C = GPIO_PIN_ADDRESS(0, 5, PCRM_PAD_ATX_C),   kGPIO_ATX_D = GPIO_PIN_ADDRESS(0, 7, PCRM_PAD_ATX_D),   kGPIO_IRQ = GPIO_PIN_ADDRESS(0, 8, PCRM_PAD_IRQ),   kGPIO_DWL_REQ = GPIO_PIN_ADDRESS(0, 9, PCRM_PAD_DWL_REQ),   kGPIO_AUX_1 = GPIO_PIN_ADDRESS(0, 21, PCRM_PAD_AUX_1),   kGPIO_AUX_2 = GPIO_PIN_ADDRESS(0, 22, PCRM_PAD_AUX_2),   kGPIO_AUX_3 = GPIO_PIN_ADDRESS(0, 12, PCRM_PAD_AUX_3) }
	GPIO pin definition. More...
enum	gpio_pin_direction_t {   kGPIO_DigitalInput = 1U,   kGPIO_DigitalOutput = 2U,   kGPIO_DigitalInputOutput = 3U }
	GPIO direction definition. More...
enum	gpio_interrupt_edge_t {   kGPIO_InterruptEdgeDisable = 0x0U,   kGPIO_InterruptEdgeFalling = 0x1U,   kGPIO_InterruptEdgeRising = 0x2U,   kGPIO_InterruptEdgeEither = 0x3U }
	Configures the interrupt generation condition. More...

Driver version
#define	FSL_GPIO_DRIVER_VERSION   (MAKE_VERSION(2, 0, 1))
	GPIO driver version 2.0.1. More...

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Data Structure Documentation

struct gpio_pin_config_t

Data Fields
gpio_pin_direction_t	pinDirection
	GPIO direction, input or output.
uint8_t	outputLogic
	Set a default output logic, which has no use in input.

Macro Definition Documentation

#define FSL_GPIO_DRIVER_VERSION   (MAKE_VERSION(2, 0, 1))

Enumeration Type Documentation

enum gpio_pin_t

Enumerator
kGPIO_GPIO0	GPIO0.
kGPIO_GPIO1	GPIO1.
kGPIO_GPIO2	GPIO2.
kGPIO_GPIO3	GPIO3.
kGPIO_GPIO4	GPIO4.
kGPIO_GPIO5	GPIO5.
kGPIO_ATX_A	ATX_A.
kGPIO_ATX_B	ATX_B.
kGPIO_ATX_C	ATX_C.
kGPIO_ATX_D	ATX_D.
kGPIO_IRQ	IRQ.
kGPIO_DWL_REQ	DWL REQ.
kGPIO_AUX_1	AUX_1.
kGPIO_AUX_2	AUX_2.
kGPIO_AUX_3	AUX_3.

enum gpio_pin_direction_t

Enumerator
kGPIO_DigitalInput	Set current pin as digital input.
kGPIO_DigitalOutput	Set current pin as digital output.
kGPIO_DigitalInputOutput	Set current pin as digital input/output.

enum gpio_interrupt_edge_t

Enumerator
kGPIO_InterruptEdgeDisable	Interrupt edge detection disable.
kGPIO_InterruptEdgeFalling	Interrupt on falling edge.
kGPIO_InterruptEdgeRising	Interrupt on rising edge.
kGPIO_InterruptEdgeEither	Interrupt on either edge.