/**************************************************************************//**
* @file     gpio.h
* @version  V1.00
* @brief    N9H30 GPIO driver header file
*
* SPDX-License-Identifier: Apache-2.0
* @copyright (C) 2018 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/

#ifndef __NU_GPIO_H__
#define __NU_GPIO_H__

#ifdef __cplusplus
extern "C"
{
#endif


/** @addtogroup N9H30_Device_Driver N9H30 Device Driver
  @{
*/

/** @addtogroup N9H30_GPIO_Driver GPIO Driver
  @{
*/

/** @addtogroup N9H30_GPIO_EXPORTED_CONSTANTS GPIO Exported Constants
  @{
*/

/*---------------------------------------------------------------------------------------------------------*/
/*  MODE Constant Definitions                                                                              */
/*---------------------------------------------------------------------------------------------------------*/
/// @cond HIDDEN_SYMBOLS
#ifndef GPIO_ERR_PORT_BUSY
#define GPIO_ERR_PORT_BUSY      -1
#define GPIO_ERR_UNSUPPORTED    -2
#define GPIO_ERR_BIT_BUSY       -3
#define SUCCESSFUL              0
#endif
/// @endcond HIDDEN_SYMBOLS

#define MAX_PORT 10  /*!< GPIO Port Number */

#define GPIOA_MASK  0x0000FFFF  /*!< GPIO Port A Mask */
#define GPIOB_MASK  0x0000FFFF  /*!< GPIO Port B Mask */
#define GPIOC_MASK  0x00007FFF  /*!< GPIO Port C Mask */
#define GPIOD_MASK  0x0000FFFF  /*!< GPIO Port D Mask */
#define GPIOE_MASK  0x0000FFFF  /*!< GPIO Port E Mask */
#define GPIOF_MASK  0x0000FFFF  /*!< GPIO Port F Mask */
#define GPIOG_MASK  0x0000FFFF  /*!< GPIO Port G Mask */
#define GPIOH_MASK  0x0000FFFF  /*!< GPIO Port H Mask */
#define GPIOI_MASK  0x0000FFFF  /*!< GPIO Port I Mask */
#define GPIOJ_MASK  0x0000003F  /*!< GPIO Port J Mask */

/// @cond HIDDEN_SYMBOLS
typedef INT32(*GPIO_CALLBACK)(UINT32 status, UINT32 userData);
typedef INT32(*EINT_CALLBACK)(UINT32 status, UINT32 userData);
/// @endcond HIDDEN_SYMBOLS

/** \brief  Structure type of GPIO_PORT
 */
typedef enum
{
    GPIOA = 0x000, /*!< Port A offset of GPIO base address      */
    GPIOB = 0x040, /*!< Port B offset of GPIO base address      */
    GPIOC = 0x080, /*!< Port C offset of GPIO base address      */
    GPIOD = 0x0C0, /*!< Port D offset of GPIO base address      */
    GPIOE = 0x100, /*!< Port E offset of GPIO base address      */
    GPIOF = 0x140, /*!< Port F offset of GPIO base address      */
    GPIOG = 0x180, /*!< Port G offset of GPIO base address      */
    GPIOH = 0x1C0, /*!< Port H offset of GPIO base address      */
    GPIOI = 0x200, /*!< Port I offset of GPIO base address      */
    GPIOJ = 0x240, /*!< Port J offset of GPIO base address      */
} GPIO_PORT;

/** \brief  Structure type of GPIO_DIR
 */
typedef enum
{
    DIR_INPUT,   /*!< GPIO Output mode      */
    DIR_OUTPUT   /*!< GPIO Input mode      */
} GPIO_DIR;

/** \brief  Structure type of GPIO_PULL
 */
typedef enum
{
    NO_PULL_UP, /*!< GPIO Pull-Up Disable */
    PULL_UP,    /*!< GPIO Pull-Up Enable */
    PULL_DOWN   /*!< GPIO Pull-Down Enable */
} GPIO_PULL;

/** \brief  Structure type of GPIO_DRV
 */
typedef enum
{
    DRV_LOW,   /*!< GPIO Set to Low */
    DRV_HIGH   /*!< GPIO Set to High */
} GPIO_DRV;

/** \brief  Structure type of GPIO_NIRQ
 */
typedef enum
{
    NIRQ0 = 0, /*!< External interrupt 0 */
    NIRQ1,     /*!< External interrupt 1 */
    NIRQ2,     /*!< External interrupt 2 */
    NIRQ3,     /*!< External interrupt 3 */
    NIRQ4,     /*!< External interrupt 4 */
    NIRQ5,     /*!< External interrupt 5 */
    NIRQ6,     /*!< External interrupt 6 */
    NIRQ7,     /*!< External interrupt 7 */
} GPIO_NIRQ;

/** \brief  Structure type of GPIO_TRIGGER_TYPE
 */
typedef enum
{
    LOW,                   /*!< Trigger type set low */
    HIGH,                  /*!< Trigger type set high */
    FALLING,               /*!< Trigger type set falling edge */
    RISING,                /*!< Trigger type set rising edge */
    BOTH_EDGE              /*!< Trigger type set falling edge and rising edge */
} GPIO_TRIGGER_TYPE;

/// @cond HIDDEN_SYMBOLS
/// @endcond HIDDEN_SYMBOLS

/*@}*/ /* end of group N9H30_GPIO_EXPORTED_CONSTANTS */


/** @addtogroup N9H30_GPIO_EXPORTED_FUNCTIONS GPIO Exported Functions
  @{
*/

/* General GPIO bit function */
INT32 GPIO_OpenBit(GPIO_PORT port, UINT32 bit, GPIO_DIR direction, GPIO_PULL pull);
INT32 GPIO_CloseBit(GPIO_PORT port, UINT32 bit);
INT32 GPIO_SetBit(GPIO_PORT port, UINT32 bit);
INT32 GPIO_ClrBit(GPIO_PORT port, UINT32 bit);
INT32 GPIO_ReadBit(GPIO_PORT port, UINT32 bit);
INT32 GPIO_SetBitDir(GPIO_PORT port, UINT32 bit, GPIO_DIR direction);
INT32 GPIO_EnableTriggerType(GPIO_PORT port, UINT32 bit, GPIO_TRIGGER_TYPE triggerType);
INT32 GPIO_DisableTriggerType(GPIO_PORT port, UINT32 bit);

/* External GPIO interrupt function */
INT32 GPIO_EnableDebounce(INT32 debounceClkSel);
INT32 GPIO_DisableDebounce(void);

/*@}*/ /* end of group N9H30_GPIO_EXPORTED_FUNCTIONS */

/*@}*/ /* end of group N9H30_GPIO_Driver */

/*@}*/ /* end of group N9H30_Device_Driver */

#ifdef __cplusplus
}
#endif

#endif //__NU_GPIO_H__