fsl_gpio.h

/*
 * Copyright (c) 2016, Freescale Semiconductor, Inc.
 * Copyright 2016-2020 NXP
 * All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef _FSL_GPIO_H_
#define _FSL_GPIO_H_
 
#include "fsl_common.h"
 
/*******************************************************************************
 * Definitions
 ******************************************************************************/
 
#define FSL_GPIO_DRIVER_VERSION (MAKE_VERSION(2, 0, 6))
typedef enum _gpio_pin_direction
{
    kGPIO_DigitalInput  = 0U, 
    kGPIO_DigitalOutput = 1U, 
} gpio_pin_direction_t;
 
typedef enum _gpio_interrupt_mode
{
    kGPIO_NoIntmode              = 0U, 
    kGPIO_IntLowLevel            = 1U, 
    kGPIO_IntHighLevel           = 2U, 
    kGPIO_IntRisingEdge          = 3U, 
    kGPIO_IntFallingEdge         = 4U, 
    kGPIO_IntRisingOrFallingEdge = 5U, 
} gpio_interrupt_mode_t;
 
typedef struct _gpio_pin_config
{
    gpio_pin_direction_t direction; 
    uint8_t outputLogic;            
    gpio_interrupt_mode_t
        interruptMode; 
} gpio_pin_config_t;
 
/*******************************************************************************
 * API
 ******************************************************************************/
 
#if defined(__cplusplus)
extern "C" {
#endif
 
void GPIO_PinInit(GPIO_Type *base, uint32_t pin, const gpio_pin_config_t *Config);
void GPIO_PinWrite(GPIO_Type *base, uint32_t pin, uint8_t output);
 
static inline void GPIO_WritePinOutput(GPIO_Type *base, uint32_t pin, uint8_t output)
{
    GPIO_PinWrite(base, pin, output);
}
 
static inline void GPIO_PortSet(GPIO_Type *base, uint32_t mask)
{
#if (defined(FSL_FEATURE_IGPIO_HAS_DR_SET) && (FSL_FEATURE_IGPIO_HAS_DR_SET == 1))
    base->DR_SET = mask;
#else
    base->DR |= mask;
#endif /* FSL_FEATURE_IGPIO_HAS_DR_SET */
}
 
static inline void GPIO_SetPinsOutput(GPIO_Type *base, uint32_t mask)
{
    GPIO_PortSet(base, mask);
}
 
static inline void GPIO_PortClear(GPIO_Type *base, uint32_t mask)
{
#if (defined(FSL_FEATURE_IGPIO_HAS_DR_CLEAR) && (FSL_FEATURE_IGPIO_HAS_DR_CLEAR == 1))
    base->DR_CLEAR = mask;
#else
    base->DR &= ~mask;
#endif /* FSL_FEATURE_IGPIO_HAS_DR_CLEAR */
}
 
static inline void GPIO_ClearPinsOutput(GPIO_Type *base, uint32_t mask)
{
    GPIO_PortClear(base, mask);
}
 
static inline void GPIO_PortToggle(GPIO_Type *base, uint32_t mask)
{
#if (defined(FSL_FEATURE_IGPIO_HAS_DR_TOGGLE) && (FSL_FEATURE_IGPIO_HAS_DR_TOGGLE == 1))
    base->DR_TOGGLE = mask;
#else
    base->DR ^= mask;
#endif /* FSL_FEATURE_IGPIO_HAS_DR_TOGGLE */
}
 
static inline uint32_t GPIO_PinRead(GPIO_Type *base, uint32_t pin)
{
    assert(pin < 32U);
 
    return (((base->DR) >> pin) & 0x1U);
}
 
static inline uint32_t GPIO_ReadPinInput(GPIO_Type *base, uint32_t pin)
{
    return GPIO_PinRead(base, pin);
}
static inline uint8_t GPIO_PinReadPadStatus(GPIO_Type *base, uint32_t pin)
{
    assert(pin < 32U);
 
    return (uint8_t)(((base->PSR) >> pin) & 0x1U);
}
 
static inline uint8_t GPIO_ReadPadStatus(GPIO_Type *base, uint32_t pin)
{
    return GPIO_PinReadPadStatus(base, pin);
}
 
void GPIO_PinSetInterruptConfig(GPIO_Type *base, uint32_t pin, gpio_interrupt_mode_t pinInterruptMode);
 
static inline void GPIO_SetPinInterruptConfig(GPIO_Type *base, uint32_t pin, gpio_interrupt_mode_t pinInterruptMode)
{
    GPIO_PinSetInterruptConfig(base, pin, pinInterruptMode);
}
 
static inline void GPIO_PortEnableInterrupts(GPIO_Type *base, uint32_t mask)
{
    base->IMR |= mask;
}
 
static inline void GPIO_EnableInterrupts(GPIO_Type *base, uint32_t mask)
{
    GPIO_PortEnableInterrupts(base, mask);
}
 
static inline void GPIO_PortDisableInterrupts(GPIO_Type *base, uint32_t mask)
{
    base->IMR &= ~mask;
}
 
static inline void GPIO_DisableInterrupts(GPIO_Type *base, uint32_t mask)
{
    GPIO_PortDisableInterrupts(base, mask);
}
 
static inline uint32_t GPIO_PortGetInterruptFlags(GPIO_Type *base)
{
    return base->ISR;
}
 
static inline uint32_t GPIO_GetPinsInterruptFlags(GPIO_Type *base)
{
    return GPIO_PortGetInterruptFlags(base);
}
 
static inline void GPIO_PortClearInterruptFlags(GPIO_Type *base, uint32_t mask)
{
    base->ISR = mask;
}
 
static inline void GPIO_ClearPinsInterruptFlags(GPIO_Type *base, uint32_t mask)
{
    GPIO_PortClearInterruptFlags(base, mask);
}
#if defined(__cplusplus)
}
#endif
 
#endif /* _FSL_GPIO_H_*/