| /** |
| ****************************************************************************** |
| * @file stm32l0xx_ll_exti.h |
| * @author MCD Application Team |
| * @brief Header file of EXTI LL module. |
| ****************************************************************************** |
| * @attention |
| * |
| * Copyright (c) 2020 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 __STM32L0xx_HAL_EXTI_H |
| #define __STM32L0xx_HAL_EXTI_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32l0xx.h" |
| |
| /** @addtogroup STM32L0xx_HAL_Driver |
| * @{ |
| */ |
| |
| /** @defgroup EXTI EXTI |
| * @brief EXTI HAL module driver |
| * @{ |
| */ |
| |
| /* Exported types ------------------------------------------------------------*/ |
| /* Exported types ------------------------------------------------------------*/ |
| |
| /** @defgroup EXTI_Exported_Types EXTI Exported Types |
| * @{ |
| */ |
| typedef enum |
| { |
| HAL_EXTI_COMMON_CB_ID = 0x00U, |
| HAL_EXTI_RISING_CB_ID = 0x01U, |
| HAL_EXTI_FALLING_CB_ID = 0x02U, |
| } EXTI_CallbackIDTypeDef; |
| |
| |
| /** |
| * @brief EXTI Handle structure definition |
| */ |
| typedef struct |
| { |
| uint32_t Line; /*!< Exti line number */ |
| void (* PendingCallback)(void); /*!< Exti pending callback */ |
| } EXTI_HandleTypeDef; |
| |
| /** |
| * @brief EXTI Configuration structure definition |
| */ |
| typedef struct |
| { |
| uint32_t Line; /*!< The Exti line to be configured. This parameter |
| can be a value of @ref EXTI_Line */ |
| uint32_t Mode; /*!< The Exit Mode to be configured for a core. |
| This parameter can be a combination of @ref EXTI_Mode */ |
| uint32_t Trigger; /*!< The Exti Trigger to be configured. This parameter |
| can be a value of @ref EXTI_Trigger */ |
| uint32_t GPIOSel; /*!< The Exti GPIO multiplexer selection to be configured. |
| This parameter is only possible for line 0 to 15. It |
| can be a value of @ref EXTI_GPIOSel */ |
| } EXTI_ConfigTypeDef; |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported constants --------------------------------------------------------*/ |
| /** @defgroup EXTI_Exported_Constants EXTI Exported Constants |
| * @{ |
| */ |
| |
| /** @defgroup EXTI_Line EXTI Line |
| * @{ |
| */ |
| |
| |
| #define EXTI_LINE_0 (EXTI_GPIO | 0x00u) /*!< External interrupt line 0 */ |
| #define EXTI_LINE_1 (EXTI_GPIO | 0x01u) /*!< External interrupt line 1 */ |
| #define EXTI_LINE_2 (EXTI_GPIO | 0x02u) /*!< External interrupt line 2 */ |
| #define EXTI_LINE_3 (EXTI_GPIO | 0x03u) /*!< External interrupt line 3 */ |
| #define EXTI_LINE_4 (EXTI_GPIO | 0x04u) /*!< External interrupt line 4 */ |
| #define EXTI_LINE_5 (EXTI_GPIO | 0x05u) /*!< External interrupt line 5 */ |
| #define EXTI_LINE_6 (EXTI_GPIO | 0x06u) /*!< External interrupt line 6 */ |
| #define EXTI_LINE_7 (EXTI_GPIO | 0x07u) /*!< External interrupt line 7 */ |
| #define EXTI_LINE_8 (EXTI_GPIO | 0x08u) /*!< External interrupt line 8 */ |
| #define EXTI_LINE_9 (EXTI_GPIO | 0x09u) /*!< External interrupt line 9 */ |
| #define EXTI_LINE_10 (EXTI_GPIO | 0x0Au) /*!< External interrupt line 10 */ |
| #define EXTI_LINE_11 (EXTI_GPIO | 0x0Bu) /*!< External interrupt line 11 */ |
| #define EXTI_LINE_12 (EXTI_GPIO | 0x0Cu) /*!< External interrupt line 12 */ |
| #define EXTI_LINE_13 (EXTI_GPIO | 0x0Du) /*!< External interrupt line 13 */ |
| #define EXTI_LINE_14 (EXTI_GPIO | 0x0Eu) /*!< External interrupt line 14 */ |
| #define EXTI_LINE_15 (EXTI_GPIO | 0x0Fu) /*!< External interrupt line 15 */ |
| #if defined(EXTI_IMR_IM16) |
| #define EXTI_LINE_16 (EXTI_CONFIG | 0x10u) /*!< External interrupt line 16 Connected to the PVD Output */ |
| #else |
| #define EXTI_LINE_16 (EXTI_RESERVED | 0x10u) /*!< No interrupt supported in this line */ |
| #endif /* EXTI_IMR_IM16 */ |
| #define EXTI_LINE_17 (EXTI_CONFIG | 0x11u) /*!< External interrupt line 17 Connected to the RTC Alarm event */ |
| #if defined(EXTI_IMR_IM18) |
| #define EXTI_LINE_18 (EXTI_DIRECT | 0x12u) /*!< External interrupt line 18 Connected to the USB Wakeup from suspend event */ |
| #else |
| #define EXTI_LINE_18 (EXTI_RESERVED | 0x12u) /*!< No interrupt supported in this line */ |
| #endif /* EXTI_IMR_IM18 */ |
| #define EXTI_LINE_19 (EXTI_CONFIG | 0x13u) /*!< External interrupt line 19 Connected to the RTC Tamper and Time Stamp events or CSS_LSE */ |
| #define EXTI_LINE_20 (EXTI_CONFIG | 0x14u) /*!< External interrupt line 20 Connected to the RTC wakeup timer */ |
| #if defined(EXTI_IMR_IM21) |
| #define EXTI_LINE_21 (EXTI_CONFIG | 0x15u) /*!< External interrupt line 21 Connected to the Comparator 1 output */ |
| #else |
| #define EXTI_LINE_21 (EXTI_RESERVED | 0x15u) /*!< No interrupt supported in this line */ |
| #endif /* EXTI_IMR_IM21 */ |
| #if defined(EXTI_IMR_IM22) |
| #define EXTI_LINE_22 (EXTI_CONFIG | 0x16u) /*!< External interrupt line 22 Connected to the Comparator 2 output */ |
| #else |
| #define EXTI_LINE_22 (EXTI_RESERVED | 0x16u) /*!< No interrupt supported in this line */ |
| #endif /* EXTI_IMR_IM22 */ |
| #define EXTI_LINE_23 (EXTI_DIRECT | 0x17u) /*!< External interrupt line 23 Connected to the internal I2C1 wakeup event */ |
| #if defined(EXTI_IMR_IM24) |
| #define EXTI_LINE_24 (EXTI_DIRECT | 0x18u) /*!< External interrupt line 24 Connected to the internal I2C3 wakeup event */ |
| #else |
| #define EXTI_LINE_24 (EXTI_RESERVED | 0x18u) /*!< No interrupt supported in this line */ |
| #endif /* EXTI_IMR_IM24 */ |
| #if defined(EXTI_IMR_IM25) |
| #define EXTI_LINE_25 (EXTI_DIRECT | 0x19u) /*!< External interrupt line 25 Connected to the internal USART1 wakeup event */ |
| #else |
| #define EXTI_LINE_25 (EXTI_RESERVED | 0x19u) /*!< No interrupt supported in this line */ |
| #endif /* EXTI_IMR_IM25 */ |
| #define EXTI_LINE_26 (EXTI_DIRECT | 0x1Au) /*!< External interrupt line 26 Connected to the internal USART2 wakeup event */ |
| #define EXTI_LINE_27 (EXTI_RESERVED | 0x1Bu) /*!< No interrupt supported in this line */ |
| #define EXTI_LINE_28 (EXTI_DIRECT | 0x1Cu) /*!< External interrupt line 28 Connected to the LPUART1 Wakeup event */ |
| #define EXTI_LINE_29 (EXTI_DIRECT | 0x1Du) /*!< External interrupt line 29 Connected to the LPTIM1 Wakeup event */ |
| |
| /** |
| * @} |
| */ |
| |
| /** @defgroup EXTI_Mode EXTI Mode |
| * @{ |
| */ |
| #define EXTI_MODE_NONE 0x00000000u |
| #define EXTI_MODE_INTERRUPT 0x00000001u |
| #define EXTI_MODE_EVENT 0x00000002u |
| /** |
| * @} |
| */ |
| |
| /** @defgroup EXTI_Trigger EXTI Trigger |
| * @{ |
| */ |
| #define EXTI_TRIGGER_NONE 0x00000000u |
| #define EXTI_TRIGGER_RISING 0x00000001u |
| #define EXTI_TRIGGER_FALLING 0x00000002u |
| #define EXTI_TRIGGER_RISING_FALLING (EXTI_TRIGGER_RISING | EXTI_TRIGGER_FALLING) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup EXTI_GPIOSel EXTI GPIOSel |
| * @brief |
| * @{ |
| */ |
| #define EXTI_GPIOA 0x00000000u |
| #define EXTI_GPIOB 0x00000001u |
| #define EXTI_GPIOC 0x00000002u |
| #if defined (GPIOD) |
| #define EXTI_GPIOD 0x00000003u |
| #endif /* GPIOD*/ |
| #if defined (GPIOE) |
| #define EXTI_GPIOE 0x00000004u |
| #endif /* GPIOE*/ |
| #if defined (GPIOH) |
| #define EXTI_GPIOH 0x00000007u |
| #endif /* GPIOH*/ |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported macro ------------------------------------------------------------*/ |
| /** @defgroup EXTI_Exported_Macros EXTI Exported Macros |
| * @{ |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Private constants --------------------------------------------------------*/ |
| /** @defgroup EXTI_Private_Constants EXTI Private Constants |
| * @{ |
| */ |
| /** |
| * @brief EXTI Line property definition |
| */ |
| #define EXTI_PROPERTY_SHIFT 24u |
| #define EXTI_DIRECT (0x01uL << EXTI_PROPERTY_SHIFT) |
| #define EXTI_CONFIG (0x02uL << EXTI_PROPERTY_SHIFT) |
| #define EXTI_GPIO ((0x04uL << EXTI_PROPERTY_SHIFT) | EXTI_CONFIG) |
| #define EXTI_RESERVED (0x08uL << EXTI_PROPERTY_SHIFT) |
| #define EXTI_PROPERTY_MASK (EXTI_DIRECT | EXTI_CONFIG | EXTI_GPIO) |
| |
| /** |
| * @brief EXTI bit usage |
| */ |
| #define EXTI_PIN_MASK 0x0000001Fu |
| |
| /** |
| * @brief EXTI Mask for interrupt & event mode |
| */ |
| #define EXTI_MODE_MASK (EXTI_MODE_EVENT | EXTI_MODE_INTERRUPT) |
| |
| /** |
| * @brief EXTI Mask for trigger possibilities |
| */ |
| #define EXTI_TRIGGER_MASK (EXTI_TRIGGER_RISING | EXTI_TRIGGER_FALLING) |
| |
| /** |
| * @brief EXTI Line number |
| */ |
| #define EXTI_LINE_NB 30u |
| |
| /** |
| * @} |
| */ |
| |
| /* Private macros ------------------------------------------------------------*/ |
| /** @defgroup EXTI_Private_Macros EXTI Private Macros |
| * @{ |
| */ |
| #define IS_EXTI_LINE(__EXTI_LINE__) ((((__EXTI_LINE__) & ~(EXTI_PROPERTY_MASK | EXTI_PIN_MASK)) == 0x00u) && \ |
| ((((__EXTI_LINE__) & EXTI_PROPERTY_MASK) == EXTI_CONFIG) || \ |
| (((__EXTI_LINE__) & EXTI_PROPERTY_MASK) == EXTI_GPIO)) && \ |
| (((__EXTI_LINE__) & EXTI_PIN_MASK) < EXTI_LINE_NB)) |
| |
| #define IS_EXTI_MODE(__EXTI_LINE__) ((((__EXTI_LINE__) & EXTI_MODE_MASK) != 0x00u) && \ |
| (((__EXTI_LINE__) & ~EXTI_MODE_MASK) == 0x00u)) |
| |
| #define IS_EXTI_TRIGGER(__EXTI_LINE__) (((__EXTI_LINE__) & ~EXTI_TRIGGER_MASK) == 0x00u) |
| |
| #define IS_EXTI_PENDING_EDGE(__EXTI_LINE__) ((__EXTI_LINE__) == EXTI_TRIGGER_RISING_FALLING) |
| |
| #define IS_EXTI_CONFIG_LINE(__EXTI_LINE__) (((__EXTI_LINE__) & EXTI_CONFIG) != 0x00u) |
| |
| #if !defined (GPIOH) |
| #define IS_EXTI_GPIO_PORT(__PORT__) (((__PORT__) == EXTI_GPIOA) || \ |
| ((__PORT__) == EXTI_GPIOB) || \ |
| ((__PORT__) == EXTI_GPIOC)) |
| #elif !defined (GPIOD) |
| #define IS_EXTI_GPIO_PORT(__PORT__) (((__PORT__) == EXTI_GPIOA) || \ |
| ((__PORT__) == EXTI_GPIOB) || \ |
| ((__PORT__) == EXTI_GPIOC) || \ |
| ((__PORT__) == EXTI_GPIOH)) |
| #elif !defined (GPIOE) |
| #define IS_EXTI_GPIO_PORT(__PORT__) (((__PORT__) == EXTI_GPIOA) || \ |
| ((__PORT__) == EXTI_GPIOB) || \ |
| ((__PORT__) == EXTI_GPIOC) || \ |
| ((__PORT__) == EXTI_GPIOD) || \ |
| ((__PORT__) == EXTI_GPIOH)) |
| #else |
| #define IS_EXTI_GPIO_PORT(__PORT__) (((__PORT__) == EXTI_GPIOA) || \ |
| ((__PORT__) == EXTI_GPIOB) || \ |
| ((__PORT__) == EXTI_GPIOC) || \ |
| ((__PORT__) == EXTI_GPIOD) || \ |
| ((__PORT__) == EXTI_GPIOE) || \ |
| ((__PORT__) == EXTI_GPIOH)) |
| #endif /* GPIOH */ |
| |
| #define IS_EXTI_GPIO_PIN(__PIN__) ((__PIN__) < 16u) |
| /** |
| * @} |
| */ |
| |
| |
| /* Exported functions --------------------------------------------------------*/ |
| /** @defgroup EXTI_Exported_Functions EXTI Exported Functions |
| * @brief EXTI Exported Functions |
| * @{ |
| */ |
| |
| /** @defgroup EXTI_Exported_Functions_Group1 Configuration functions |
| * @brief Configuration functions |
| * @{ |
| */ |
| /* Configuration functions ****************************************************/ |
| HAL_StatusTypeDef HAL_EXTI_SetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig); |
| HAL_StatusTypeDef HAL_EXTI_GetConfigLine(EXTI_HandleTypeDef *hexti, EXTI_ConfigTypeDef *pExtiConfig); |
| HAL_StatusTypeDef HAL_EXTI_ClearConfigLine(EXTI_HandleTypeDef *hexti); |
| HAL_StatusTypeDef HAL_EXTI_RegisterCallback(EXTI_HandleTypeDef *hexti, EXTI_CallbackIDTypeDef CallbackID, void (*pPendingCbfn)(void)); |
| HAL_StatusTypeDef HAL_EXTI_GetHandle(EXTI_HandleTypeDef *hexti, uint32_t ExtiLine); |
| /** |
| * @} |
| */ |
| |
| /** @defgroup EXTI_Exported_Functions_Group2 IO operation functions |
| * @brief IO operation functions |
| * @{ |
| */ |
| /* IO operation functions *****************************************************/ |
| void HAL_EXTI_IRQHandler(EXTI_HandleTypeDef *hexti); |
| uint32_t HAL_EXTI_GetPending(EXTI_HandleTypeDef *hexti, uint32_t Edge); |
| void HAL_EXTI_ClearPending(EXTI_HandleTypeDef *hexti, uint32_t Edge); |
| void HAL_EXTI_GenerateSWI(EXTI_HandleTypeDef *hexti); |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* STM32L0xx_HAL_EXTI_H */ |
| |
