| /** |
| ****************************************************************************** |
| * @file stm32l1xx_hal_gpio.h |
| * @author MCD Application Team |
| * @brief Header file of GPIO HAL module. |
| ****************************************************************************** |
| * @attention |
| * |
| * Copyright (c) 2017 STMicroelectronics. |
| * All rights reserved. |
| * |
| * This software is licensed under terms that can be found in the LICENSE file |
| * in the root directory of this software component. |
| * If no LICENSE file comes with this software, it is provided AS-IS. |
| * |
| ****************************************************************************** |
| */ |
| |
| /* 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)0x0001U) /* Pin 0 selected */ |
| #define GPIO_PIN_1 ((uint16_t)0x0002U) /* Pin 1 selected */ |
| #define GPIO_PIN_2 ((uint16_t)0x0004U) /* Pin 2 selected */ |
| #define GPIO_PIN_3 ((uint16_t)0x0008U) /* Pin 3 selected */ |
| #define GPIO_PIN_4 ((uint16_t)0x0010U) /* Pin 4 selected */ |
| #define GPIO_PIN_5 ((uint16_t)0x0020U) /* Pin 5 selected */ |
| #define GPIO_PIN_6 ((uint16_t)0x0040U) /* Pin 6 selected */ |
| #define GPIO_PIN_7 ((uint16_t)0x0080U) /* Pin 7 selected */ |
| #define GPIO_PIN_8 ((uint16_t)0x0100U) /* Pin 8 selected */ |
| #define GPIO_PIN_9 ((uint16_t)0x0200U) /* Pin 9 selected */ |
| #define GPIO_PIN_10 ((uint16_t)0x0400U) /* Pin 10 selected */ |
| #define GPIO_PIN_11 ((uint16_t)0x0800U) /* Pin 11 selected */ |
| #define GPIO_PIN_12 ((uint16_t)0x1000U) /* Pin 12 selected */ |
| #define GPIO_PIN_13 ((uint16_t)0x2000U) /* Pin 13 selected */ |
| #define GPIO_PIN_14 ((uint16_t)0x4000U) /* Pin 14 selected */ |
| #define GPIO_PIN_15 ((uint16_t)0x8000U) /* Pin 15 selected */ |
| #define GPIO_PIN_All ((uint16_t)0xFFFFU) /* All pins selected */ |
| |
| #define GPIO_PIN_MASK (0x0000FFFFU) /* PIN mask for assert test */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup GPIO_mode GPIO mode |
| * @brief GPIO Configuration Mode |
| * Elements values convention: 0x00WX00YZ |
| * - W : EXTI trigger detection on 3 bits |
| * - X : EXTI mode (IT or Event) on 2 bits |
| * - Y : Output type (Push Pull or Open Drain) on 1 bit |
| * - Z : GPIO mode (Input, Output, Alternate or Analog) on 2 bits |
| * @{ |
| */ |
| #define GPIO_MODE_INPUT MODE_INPUT /*!< Input Floating Mode */ |
| #define GPIO_MODE_OUTPUT_PP (MODE_OUTPUT | OUTPUT_PP) /*!< Output Push Pull Mode */ |
| #define GPIO_MODE_OUTPUT_OD (MODE_OUTPUT | OUTPUT_OD) /*!< Output Open Drain Mode */ |
| #define GPIO_MODE_AF_PP (MODE_AF | OUTPUT_PP) /*!< Alternate Function Push Pull Mode */ |
| #define GPIO_MODE_AF_OD (MODE_AF | OUTPUT_OD) /*!< Alternate Function Open Drain Mode */ |
| |
| #define GPIO_MODE_ANALOG MODE_ANALOG /*!< Analog Mode */ |
| |
| #define GPIO_MODE_IT_RISING (MODE_INPUT | EXTI_IT | TRIGGER_RISING) /*!< External Interrupt Mode with Rising edge trigger detection */ |
| #define GPIO_MODE_IT_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_FALLING) /*!< External Interrupt Mode with Falling edge trigger detection */ |
| #define GPIO_MODE_IT_RISING_FALLING (MODE_INPUT | EXTI_IT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Interrupt Mode with Rising/Falling edge trigger detection */ |
| |
| #define GPIO_MODE_EVT_RISING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING) /*!< External Event Mode with Rising edge trigger detection */ |
| #define GPIO_MODE_EVT_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_FALLING) /*!< External Event Mode with Falling edge trigger detection */ |
| #define GPIO_MODE_EVT_RISING_FALLING (MODE_INPUT | EXTI_EVT | TRIGGER_RISING | TRIGGER_FALLING) /*!< External Event Mode with Rising/Falling edge trigger detection */ |
| |
| /** |
| * @} |
| */ |
| |
| /** @defgroup GPIO_speed GPIO speed |
| * @brief GPIO Output Maximum frequency |
| * @{ |
| */ |
| #define GPIO_SPEED_FREQ_LOW (0x00000000U) /*!< max: 400 KHz, please refer to the product datasheet */ |
| #define GPIO_SPEED_FREQ_MEDIUM (0x00000001U) /*!< max: 1 MHz to 2 MHz, please refer to the product datasheet */ |
| #define GPIO_SPEED_FREQ_HIGH (0x00000002U) /*!< max: 2 MHz to 10 MHz, please refer to the product datasheet */ |
| #define GPIO_SPEED_FREQ_VERY_HIGH (0x00000003U) /*!< 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 (0x00000000U) /*!< No Pull-up or Pull-down activation */ |
| #define GPIO_PULLUP (0x00000001U) /*!< Pull-up activation */ |
| #define GPIO_PULLDOWN (0x00000002U) /*!< Pull-down activation */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Private constants ---------------------------------------------------------*/ |
| /** @defgroup GPIO_Private_Constants GPIO Private Constants |
| * @{ |
| */ |
| #define GPIO_MODE_Pos 0U |
| #define GPIO_MODE (0x3UL << GPIO_MODE_Pos) |
| #define MODE_INPUT (0x0UL << GPIO_MODE_Pos) |
| #define MODE_OUTPUT (0x1UL << GPIO_MODE_Pos) |
| #define MODE_AF (0x2UL << GPIO_MODE_Pos) |
| #define MODE_ANALOG (0x3UL << GPIO_MODE_Pos) |
| #define OUTPUT_TYPE_Pos 4U |
| #define OUTPUT_TYPE (0x1UL << OUTPUT_TYPE_Pos) |
| #define OUTPUT_PP (0x0UL << OUTPUT_TYPE_Pos) |
| #define OUTPUT_OD (0x1UL << OUTPUT_TYPE_Pos) |
| #define EXTI_MODE_Pos 16U |
| #define EXTI_MODE (0x3UL << EXTI_MODE_Pos) |
| #define EXTI_IT (0x1UL << EXTI_MODE_Pos) |
| #define EXTI_EVT (0x2UL << EXTI_MODE_Pos) |
| #define TRIGGER_MODE_Pos 20U |
| #define TRIGGER_MODE (0x7UL << TRIGGER_MODE_Pos) |
| #define TRIGGER_RISING (0x1UL << TRIGGER_MODE_Pos) |
| #define TRIGGER_FALLING (0x2UL << TRIGGER_MODE_Pos) |
| /** |
| * @} |
| */ |
| |
| /* 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__) ((((uint32_t)(__PIN__) & GPIO_PIN_MASK) != 0x00U) &&\ |
| (((uint32_t)(__PIN__) & ~GPIO_PIN_MASK) == 0x00U)) |
| |
| #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 */ |
| |
