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/**

  ******************************************************************************

  * @file    stm32l1xx_hal_gpio.h

  * @author  MCD Application Team

  * @version V1.2.0

  * @date    01-July-2016

  * @brief   Header file of GPIO HAL module.

  ******************************************************************************

  * @attention

  *

  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>

  *

  * Redistribution and use in source and binary forms, with or without modification,

  * are permitted provided that the following conditions are met:

  *   1. Redistributions of source code must retain the above copyright notice,

  *      this list of conditions and the following disclaimer.

  *   2. Redistributions in binary form must reproduce the above copyright notice,

  *      this list of conditions and the following disclaimer in the documentation

  *      and/or other materials provided with the distribution.

  *   3. Neither the name of STMicroelectronics nor the names of its contributors

  *      may be used to endorse or promote products derived from this software

  *      without specific prior written permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  *

  ******************************************************************************

  */

/* Define to prevent recursive inclusion -------------------------------------*/

#ifndef __STM32L1xx_HAL_GPIO_H

#define __STM32L1xx_HAL_GPIO_H

#ifdef __cplusplus

 extern "C" {

#endif

/* Includes ------------------------------------------------------------------*/

#include "stm32l1xx_hal_def.h"

/** @addtogroup STM32L1xx_HAL_Driver

  * @{

  */

/** @defgroup GPIO GPIO

  * @brief GPIO HAL module driver

  * @{

  */

/* Exported types ------------------------------------------------------------*/

/** @defgroup GPIO_Exported_Types GPIO Exported Types

  * @{

  */

/**

  * @brief   GPIO Init structure definition  

  */

typedef struct

{

  uint32_t Pin;       /*!< Specifies the GPIO pins to be configured.

                           This parameter can be any value of @ref GPIO_pins */

  uint32_t Mode;      /*!< Specifies the operating mode for the selected pins.

                           This parameter can be a value of @ref GPIO_mode */

  uint32_t Pull;      /*!< Specifies the Pull-up or Pull-Down activation for the selected pins.

                           This parameter can be a value of @ref GPIO_pull */

  uint32_t Speed;     /*!< Specifies the speed for the selected pins.

                           This parameter can be a value of @ref GPIO_speed */

  uint32_t Alternate;  /*!< Peripheral to be connected to the selected pins

                            This parameter can be a value of @ref GPIOEx_Alternate_function_selection */

}GPIO_InitTypeDef;

/**

  * @brief  GPIO Bit SET and Bit RESET enumeration

  */

typedef enum

{

  GPIO_PIN_RESET = 0,

  GPIO_PIN_SET

}GPIO_PinState;

/**

  * @}

  */

/* Exported constants --------------------------------------------------------*/

/** @defgroup GPIO_Exported_Constants GPIO Exported Constants

  * @{

  */

/** @defgroup GPIO_pins GPIO pins

  * @{

  */

#define GPIO_PIN_0                 ((uint16_t)0x0001)  /* Pin 0 selected    */

#define GPIO_PIN_1                 ((uint16_t)0x0002)  /* Pin 1 selected    */

#define GPIO_PIN_2                 ((uint16_t)0x0004)  /* Pin 2 selected    */

#define GPIO_PIN_3                 ((uint16_t)0x0008)  /* Pin 3 selected    */

#define GPIO_PIN_4                 ((uint16_t)0x0010)  /* Pin 4 selected    */

#define GPIO_PIN_5                 ((uint16_t)0x0020)  /* Pin 5 selected    */

#define GPIO_PIN_6                 ((uint16_t)0x0040)  /* Pin 6 selected    */

#define GPIO_PIN_7                 ((uint16_t)0x0080)  /* Pin 7 selected    */

#define GPIO_PIN_8                 ((uint16_t)0x0100)  /* Pin 8 selected    */

#define GPIO_PIN_9                 ((uint16_t)0x0200)  /* Pin 9 selected    */

#define GPIO_PIN_10                ((uint16_t)0x0400)  /* Pin 10 selected   */

#define GPIO_PIN_11                ((uint16_t)0x0800)  /* Pin 11 selected   */

#define GPIO_PIN_12                ((uint16_t)0x1000)  /* Pin 12 selected   */

#define GPIO_PIN_13                ((uint16_t)0x2000)  /* Pin 13 selected   */

#define GPIO_PIN_14                ((uint16_t)0x4000)  /* Pin 14 selected   */

#define GPIO_PIN_15                ((uint16_t)0x8000)  /* Pin 15 selected   */

#define GPIO_PIN_All               ((uint16_t)0xFFFF)  /* All pins selected */

#define GPIO_PIN_MASK              ((uint32_t)0x0000FFFF) /* PIN mask for assert test */

/**

  * @}

  */

/** @defgroup GPIO_mode GPIO mode

  * @brief GPIO Configuration Mode

  *        Elements values convention: 0xX0yz00YZ

  *           - X  : GPIO mode or EXTI Mode

  *           - y  : External IT or Event trigger detection

  *           - z  : IO configuration on External IT or Event

  *           - Y  : Output type (Push Pull or Open Drain)

  *           - Z  : IO Direction mode (Input, Output, Alternate or Analog)

  * @{

  */

#define  GPIO_MODE_INPUT                        ((uint32_t)0x00000000)   /*!< Input Floating Mode                   */

#define  GPIO_MODE_OUTPUT_PP                    ((uint32_t)0x00000001)   /*!< Output Push Pull Mode                 */

#define  GPIO_MODE_OUTPUT_OD                    ((uint32_t)0x00000011)   /*!< Output Open Drain Mode                */

#define  GPIO_MODE_AF_PP                        ((uint32_t)0x00000002)   /*!< Alternate Function Push Pull Mode     */

#define  GPIO_MODE_AF_OD                        ((uint32_t)0x00000012)   /*!< Alternate Function Open Drain Mode    */

#define  GPIO_MODE_ANALOG                       ((uint32_t)0x00000003)   /*!< Analog Mode  */

#define  GPIO_MODE_IT_RISING                    ((uint32_t)0x10110000)   /*!< External Interrupt Mode with Rising edge trigger detection          */

#define  GPIO_MODE_IT_FALLING                   ((uint32_t)0x10210000)   /*!< External Interrupt Mode with Falling edge trigger detection         */

#define  GPIO_MODE_IT_RISING_FALLING            ((uint32_t)0x10310000)   /*!< External Interrupt Mode with Rising/Falling edge trigger detection  */

#define  GPIO_MODE_EVT_RISING                   ((uint32_t)0x10120000)   /*!< External Event Mode with Rising edge trigger detection               */

#define  GPIO_MODE_EVT_FALLING                  ((uint32_t)0x10220000)   /*!< External Event Mode with Falling edge trigger detection              */

#define  GPIO_MODE_EVT_RISING_FALLING           ((uint32_t)0x10320000)   /*!< External Event Mode with Rising/Falling edge trigger detection       */

/**

  * @}

  */

/** @defgroup GPIO_speed GPIO speed

  * @brief GPIO Output Maximum frequency

  * @{

  */  

#define  GPIO_SPEED_FREQ_LOW       ((uint32_t)0x00000000) /*!< max: 400 KHz, please refer to the product datasheet */

#define  GPIO_SPEED_FREQ_MEDIUM    ((uint32_t)0x00000001) /*!< max: 1 MHz to 2 MHz, please refer to the product datasheet */

#define  GPIO_SPEED_FREQ_HIGH      ((uint32_t)0x00000002) /*!< max: 2 MHz to 10 MHz, please refer to the product datasheet */

#define  GPIO_SPEED_FREQ_VERY_HIGH ((uint32_t)0x00000003) /*!< max: 8 MHz to 50 MHz, please refer to the product datasheet */

/**

  * @}

  */

 /** @defgroup GPIO_pull GPIO pull

   * @brief GPIO Pull-Up or Pull-Down Activation

   * @{

   */  

#define  GPIO_NOPULL        ((uint32_t)0x00000000)   /*!< No Pull-up or Pull-down activation  */

#define  GPIO_PULLUP        ((uint32_t)0x00000001)   /*!< Pull-up activation                  */

#define  GPIO_PULLDOWN      ((uint32_t)0x00000002)   /*!< Pull-down activation                */

/**

  * @}

  */

/**

  * @}

  */

/* Private constants ---------------------------------------------------------*/

/** @defgroup GPIO_Private_Constants GPIO Private Constants

  * @{

  */

/**

  * @}

  */

/* Private macros --------------------------------------------------------*/

/** @defgroup GPIO_Private_Macros GPIO Private Macros

  * @{

  */

#define IS_GPIO_PIN_ACTION(ACTION) (((ACTION) == GPIO_PIN_RESET) || ((ACTION) == GPIO_PIN_SET))

#define IS_GPIO_PIN(__PIN__)        ((((__PIN__) & GPIO_PIN_MASK) != (uint32_t)0x00) &&\

                                     (((__PIN__) & ~GPIO_PIN_MASK) == (uint32_t)0x00))

#define IS_GPIO_PULL(PULL) (((PULL) == GPIO_NOPULL) || ((PULL) == GPIO_PULLUP) || \

                            ((PULL) == GPIO_PULLDOWN))

#define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_SPEED_FREQ_LOW)  || ((SPEED) == GPIO_SPEED_FREQ_MEDIUM) || \

                                ((SPEED) == GPIO_SPEED_FREQ_HIGH) || ((SPEED) == GPIO_SPEED_FREQ_VERY_HIGH))

#define IS_GPIO_MODE(MODE) (((MODE) == GPIO_MODE_INPUT)              ||\

                            ((MODE) == GPIO_MODE_OUTPUT_PP)          ||\

                            ((MODE) == GPIO_MODE_OUTPUT_OD)          ||\

                            ((MODE) == GPIO_MODE_AF_PP)              ||\

                            ((MODE) == GPIO_MODE_AF_OD)              ||\

                            ((MODE) == GPIO_MODE_IT_RISING)          ||\

                            ((MODE) == GPIO_MODE_IT_FALLING)         ||\

                            ((MODE) == GPIO_MODE_IT_RISING_FALLING)  ||\

                            ((MODE) == GPIO_MODE_EVT_RISING)         ||\

                            ((MODE) == GPIO_MODE_EVT_FALLING)        ||\

                            ((MODE) == GPIO_MODE_EVT_RISING_FALLING) ||\

                            ((MODE) == GPIO_MODE_ANALOG))

/**

  * @}

  */

/* Exported macro ------------------------------------------------------------*/

/** @defgroup GPIO_Exported_Macros GPIO Exported Macros

  * @{

  */

/**

  * @brief  Checks whether the specified EXTI line flag is set or not.

  * @param  __EXTI_LINE__: specifies the EXTI line flag to check.

  *         This parameter can be GPIO_PIN_x where x can be(0..15)

  * @retval The new state of __EXTI_LINE__ (SET or RESET).

  */

#define __HAL_GPIO_EXTI_GET_FLAG(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))

/**

  * @brief  Clears the EXTI's line pending flags.

  * @param  __EXTI_LINE__: specifies the EXTI lines flags to clear.

  *         This parameter can be any combination of GPIO_PIN_x where x can be (0..15)

  * @retval None

  */

#define __HAL_GPIO_EXTI_CLEAR_FLAG(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))

/**

  * @brief  Checks whether the specified EXTI line is asserted or not.

  * @param  __EXTI_LINE__: specifies the EXTI line to check.

  *          This parameter can be GPIO_PIN_x where x can be(0..15)

  * @retval The new state of __EXTI_LINE__ (SET or RESET).

  */

#define __HAL_GPIO_EXTI_GET_IT(__EXTI_LINE__) (EXTI->PR & (__EXTI_LINE__))

/**

  * @brief  Clears the EXTI's line pending bits.

  * @param  __EXTI_LINE__: specifies the EXTI lines to clear.

  *          This parameter can be any combination of GPIO_PIN_x where x can be (0..15)

  * @retval None

  */

#define __HAL_GPIO_EXTI_CLEAR_IT(__EXTI_LINE__) (EXTI->PR = (__EXTI_LINE__))

/**

  * @brief  Generates a Software interrupt on selected EXTI line.

  * @param  __EXTI_LINE__: specifies the EXTI line to check.

  *          This parameter can be GPIO_PIN_x where x can be(0..15)

  * @retval None

  */

#define __HAL_GPIO_EXTI_GENERATE_SWIT(__EXTI_LINE__) (EXTI->SWIER |= (__EXTI_LINE__))

/**

  * @}

  */

/* Include GPIO HAL Extension module */

#include "stm32l1xx_hal_gpio_ex.h"

/* Exported functions --------------------------------------------------------*/

/** @defgroup GPIO_Exported_Functions GPIO Exported Functions

 *  @brief    GPIO Exported Functions

  * @{

  */

/** @defgroup GPIO_Exported_Functions_Group1 Initialization and Configuration functions

 *  @brief    Initialization and Configuration functions

 * @{

 */

/* Initialization and de-initialization functions *****************************/

void              HAL_GPIO_Init(GPIO_TypeDef  *GPIOx, GPIO_InitTypeDef *GPIO_Init);

void              HAL_GPIO_DeInit(GPIO_TypeDef  *GPIOx, uint32_t GPIO_Pin);

/**

  * @}

  */

/** @defgroup GPIO_Exported_Functions_Group2 IO operation functions

 *  @brief    IO operation functions

 * @{

 */

/* IO operation functions *****************************************************/

GPIO_PinState     HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);

void              HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);

void              HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);

HAL_StatusTypeDef HAL_GPIO_LockPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);

void              HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);

void              HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);

/**

  * @}

  */

/**

  * @}

  */

/**

  * @}

  */

/**

  * @}

  */  

#ifdef __cplusplus

}

#endif

#endif /* __STM32L1xx_HAL_GPIO_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/