GPIO.h File Reference

Detailed Description

General Purpose I/O driver interface.

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#include <stdint.h>
#include <ti/drivers/gpio/GPIOMSPM0.h>

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Data Structures
struct	GPIO_Config
	GPIO driver configuration structure. More...

Macros
#define	GPIO_PIN_TO_MASK(pin)   (1 << (pin))
	Convert the pin index to mask.
#define	GPIO_STATUS_SUCCESS   (0)
	Successful status code returned by GPI_setConfig(). More...
#define	GPIO_STATUS_ERROR   (-1)
	Generic error status code returned by GPI_setConfig(). More...
#define	GPIO_INVALID_INDEX   0xFF
	Dummy value for "this pin is not assigned to a GPIO". More...
GPIO_PinConfig output pin configuration macros.
#define	GPIO_CFG_OUTPUT
#define	GPIO_CFG_OUT_STD
#define	GPIO_CFG_OUT_OD_NOPULL
#define	GPIO_CFG_OUT_OD_PU
#define	GPIO_CFG_OUT_OD_PD
#define	GPIO_CFG_OUT_STR_LOW
#define	GPIO_CFG_OUT_STR_MED
#define	GPIO_CFG_OUT_STR_HIGH
#define	GPIO_CFG_OUT_HIGH
#define	GPIO_CFG_OUT_LOW
GPIO_PinConfig input pin configuration macros
#define	GPIO_CFG_INPUT
#define	GPIO_CFG_IN_NOPULL
#define	GPIO_CFG_IN_PU
#define	GPIO_CFG_IN_PD
GPIO_PinConfig pin inversion configuration macros.
#define	GPIO_CFG_INVERT_OFF
#define	GPIO_CFG_INVERT_ON
GPIO_PinConfig pin hysteresis configuration macros.
#define	GPIO_CFG_HYSTERESIS_OFF
#define	GPIO_CFG_HYSTERESIS_ON
GPIO_PinConfig pin Hi-Z configuration macros.
#define	GPIO_CFG_HIZ_OFF
#define	GPIO_CFG_HIZ_ON
GPIO_PinConfig interrupt configuration macros.
#define	GPIO_CFG_IN_INT_NONE
#define	GPIO_CFG_IN_INT_RISING
#define	GPIO_CFG_IN_INT_FALLING
#define	GPIO_CFG_IN_INT_BOTH_EDGES
#define	GPIO_CFG_IN_INT_LOW
#define	GPIO_CFG_IN_INT_HIGH
GPIO_PinConfig wakeup configuration macros.
#define	GPIO_CFG_WAKEUP_DISABLE
#define	GPIO_CFG_WAKEUP_ON_0
#define	GPIO_CFG_WAKEUP_ON_1
Special GPIO_PinConfig configuration macros.
#define	GPIO_DO_NOT_CONFIG
	Use this GPIO_PinConfig definition to inform GPIO_init() NOT to configure the corresponding pin. More...
GPIO_Mux configuration macros
For additional muxing options, see the directions in the device-specific GPIO driver.
#define	GPIO_MUX_GPIO

Typedefs
typedef uint32_t	GPIO_PinConfig
	GPIO pin configuration settings. More...
typedef void(*	GPIO_CallbackFxn) (uint_least8_t index)
	GPIO callback function type. More...

Functions
void	GPIO_clearInt (uint_least8_t index)
	Clear a GPIO pin interrupt flag. More...
void	GPIO_disableInt (uint_least8_t index)
	Disable a GPIO pin interrupt. More...
void	GPIO_enableInt (uint_least8_t index)
	Enable a GPIO pin interrupt. More...
void	GPIO_init ()
	Initializes the GPIO module. More...
uint_fast8_t	GPIO_read (uint_least8_t index)
	Reads the value of a GPIO pin. More...
void	GPIO_toggle (uint_least8_t index)
	Toggles the current state of a GPIO. More...
void	GPIO_write (uint_least8_t index, unsigned int value)
	Writes the value to a GPIO pin. More...
void	GPIO_setCallback (uint_least8_t index, GPIO_CallbackFxn callback)
	Bind a callback function to a GPIO pin interrupt. More...
GPIO_CallbackFxn	GPIO_getCallback (uint_least8_t index)
	Gets the callback associated with a GPIO pin. More...
int_fast16_t	GPIO_setConfig (uint_least8_t index, GPIO_PinConfig pinConfig)
	Configure the gpio pin. More...
void	GPIO_setInterruptConfig (uint_least8_t index, GPIO_PinConfig config)
	Configure the gpio pin. More...
void	GPIO_getConfig (uint_least8_t index, GPIO_PinConfig *pinConfig)
	Get the current configuration for a gpio pin. More...
void	GPIO_resetConfig (uint_least8_t index)
	Resets the configuration for a gpio pin to the default value. More...
uint32_t	GPIO_getMux (uint_least8_t index)
	Get the current mux for a gpio pin. More...
int_fast16_t	GPIO_setConfigAndMux (uint_least8_t index, GPIO_PinConfig pinConfig, uint32_t mux)
	Configure the gpio pin's config and mux in a single write. More...
void	GPIO_setUserArg (uint_least8_t index, void *arg)
	Set the user argument for a gpio pin. More...
void *	GPIO_getUserArg (uint_least8_t index)
	Get the user argument for a gpio pin. More...