gpio_if.h

Overview

Related Modules:

GPIO

Description:

Declares the standard GPIO interface functions.

Since:

1.0

Summary

Typedefs

Typedef Name Description
GpioIrqFunc) (uint16_t gpio, void data) typedef int32_t( Defines the function type of a GPIO interrupt service routine (ISR).

Enumerations

Enumeration Name Description
GpioValue { GPIO_VAL_LOW = 0, GPIO_VAL_HIGH = 1, GPIO_VAL_ERR } Enumerates GPIO level values.
GpioDirType { GPIO_DIR_IN = 0, GPIO_DIR_OUT = 1, GPIO_DIR_ERR } Enumerates GPIO directions.

Functions

Function Name Description
GpioRead (uint16_t gpio, uint16_t val) int32_t Reads the level value of a GPIO pin.
GpioWrite (uint16_t gpio, uint16_t val) int32_t Writes the level value for a GPIO pin.
GpioSetDir (uint16_t gpio, uint16_t dir) int32_t Sets the input/output direction for a GPIO pin.
GpioGetDir (uint16_t gpio, uint16_t dir) int32_t Obtains the input/output direction of a GPIO pin.
GpioSetIrq (uint16_t gpio, uint16_t mode, GpioIrqFunc func, void *arg) int32_t Sets the ISR function for a GPIO pin.
GpioUnSetIrq (uint16_t gpio) int32_t Cancels the setting of the ISR function for a GPIO pin.
GpioEnableIrq (uint16_t gpio) int32_t Enables a GPIO pin interrupt.
GpioDisableIrq (uint16_t gpio) int32_t Disables a GPIO pin interrupt.