2013-01-08 22:40:58 +08:00
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/**
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******************************************************************************
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* @file stm32f0xx_exti.h
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* @author MCD Application Team
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* @version V1.0.0
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* @date 23-March-2012
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* @brief This file contains all the functions prototypes for the EXTI
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* firmware library
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F0XX_EXTI_H
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#define __STM32F0XX_EXTI_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f0xx.h"
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/** @addtogroup STM32F0xx_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup EXTI
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief EXTI mode enumeration
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*/
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typedef enum
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{
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EXTI_Mode_Interrupt = 0x00,
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EXTI_Mode_Event = 0x04
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}EXTIMode_TypeDef;
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#define IS_EXTI_MODE(MODE) (((MODE) == EXTI_Mode_Interrupt) || ((MODE) == EXTI_Mode_Event))
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/**
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* @brief EXTI Trigger enumeration
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*/
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typedef enum
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{
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EXTI_Trigger_Rising = 0x08,
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EXTI_Trigger_Falling = 0x0C,
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EXTI_Trigger_Rising_Falling = 0x10
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}EXTITrigger_TypeDef;
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#define IS_EXTI_TRIGGER(TRIGGER) (((TRIGGER) == EXTI_Trigger_Rising) || \
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((TRIGGER) == EXTI_Trigger_Falling) || \
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((TRIGGER) == EXTI_Trigger_Rising_Falling))
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/**
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* @brief EXTI Init Structure definition
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*/
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typedef struct
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{
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uint32_t EXTI_Line; /*!< Specifies the EXTI lines to be enabled or disabled.
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This parameter can be any combination of @ref EXTI_Lines */
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EXTIMode_TypeDef EXTI_Mode; /*!< Specifies the mode for the EXTI lines.
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This parameter can be a value of @ref EXTIMode_TypeDef */
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EXTITrigger_TypeDef EXTI_Trigger; /*!< Specifies the trigger signal active edge for the EXTI lines.
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This parameter can be a value of @ref EXTIMode_TypeDef */
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FunctionalState EXTI_LineCmd; /*!< Specifies the new state of the selected EXTI lines.
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This parameter can be set either to ENABLE or DISABLE */
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}EXTI_InitTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup EXTI_Exported_Constants
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* @{
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*/
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/** @defgroup EXTI_Lines
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* @{
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*/
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#define EXTI_Line0 ((uint32_t)0x00000001) /*!< External interrupt line 0 */
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#define EXTI_Line1 ((uint32_t)0x00000002) /*!< External interrupt line 1 */
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#define EXTI_Line2 ((uint32_t)0x00000004) /*!< External interrupt line 2 */
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#define EXTI_Line3 ((uint32_t)0x00000008) /*!< External interrupt line 3 */
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#define EXTI_Line4 ((uint32_t)0x00000010) /*!< External interrupt line 4 */
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#define EXTI_Line5 ((uint32_t)0x00000020) /*!< External interrupt line 5 */
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#define EXTI_Line6 ((uint32_t)0x00000040) /*!< External interrupt line 6 */
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#define EXTI_Line7 ((uint32_t)0x00000080) /*!< External interrupt line 7 */
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#define EXTI_Line8 ((uint32_t)0x00000100) /*!< External interrupt line 8 */
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#define EXTI_Line9 ((uint32_t)0x00000200) /*!< External interrupt line 9 */
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#define EXTI_Line10 ((uint32_t)0x00000400) /*!< External interrupt line 10 */
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#define EXTI_Line11 ((uint32_t)0x00000800) /*!< External interrupt line 11 */
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#define EXTI_Line12 ((uint32_t)0x00001000) /*!< External interrupt line 12 */
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#define EXTI_Line13 ((uint32_t)0x00002000) /*!< External interrupt line 13 */
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#define EXTI_Line14 ((uint32_t)0x00004000) /*!< External interrupt line 14 */
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#define EXTI_Line15 ((uint32_t)0x00008000) /*!< External interrupt line 15 */
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#define EXTI_Line16 ((uint32_t)0x00010000) /*!< External interrupt line 16
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Connected to the PVD Output */
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#define EXTI_Line17 ((uint32_t)0x00020000) /*!< Internal interrupt line 17
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Connected to the RTC Alarm
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event */
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#define EXTI_Line19 ((uint32_t)0x00080000) /*!< Internal interrupt line 19
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Connected to the RTC Tamper
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and Time Stamp events */
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#define EXTI_Line21 ((uint32_t)0x00200000) /*!< Internal interrupt line 21
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Connected to the Comparator 1
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event */
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#define EXTI_Line22 ((uint32_t)0x00400000) /*!< Internal interrupt line 22
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Connected to the Comparator 2
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event */
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#define EXTI_Line23 ((uint32_t)0x00800000) /*!< Internal interrupt line 23
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Connected to the I2C1 wakeup
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event */
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#define EXTI_Line25 ((uint32_t)0x02000000) /*!< Internal interrupt line 25
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Connected to the USART1 wakeup
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event */
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#define EXTI_Line27 ((uint32_t)0x08000000) /*!< Internal interrupt line 27
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Connected to the CEC wakeup
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event */
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#define IS_EXTI_LINE(LINE) ((((LINE) & (uint32_t)0xF5140000) == 0x00) && ((LINE) != (uint16_t)0x00))
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#define IS_GET_EXTI_LINE(LINE) (((LINE) == EXTI_Line0) || ((LINE) == EXTI_Line1) || \
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((LINE) == EXTI_Line2) || ((LINE) == EXTI_Line3) || \
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((LINE) == EXTI_Line4) || ((LINE) == EXTI_Line5) || \
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((LINE) == EXTI_Line6) || ((LINE) == EXTI_Line7) || \
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((LINE) == EXTI_Line8) || ((LINE) == EXTI_Line9) || \
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((LINE) == EXTI_Line10) || ((LINE) == EXTI_Line11) || \
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((LINE) == EXTI_Line12) || ((LINE) == EXTI_Line13) || \
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((LINE) == EXTI_Line14) || ((LINE) == EXTI_Line15) || \
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((LINE) == EXTI_Line16) || ((LINE) == EXTI_Line17) || \
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((LINE) == EXTI_Line19) || ((LINE) == EXTI_Line21) || \
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((LINE) == EXTI_Line22))
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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/* Function used to set the EXTI configuration to the default reset state *****/
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void EXTI_DeInit(void);
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/* Initialization and Configuration functions *********************************/
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void EXTI_Init(EXTI_InitTypeDef* EXTI_InitStruct);
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void EXTI_StructInit(EXTI_InitTypeDef* EXTI_InitStruct);
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void EXTI_GenerateSWInterrupt(uint32_t EXTI_Line);
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/* Interrupts and flags management functions **********************************/
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FlagStatus EXTI_GetFlagStatus(uint32_t EXTI_Line);
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void EXTI_ClearFlag(uint32_t EXTI_Line);
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ITStatus EXTI_GetITStatus(uint32_t EXTI_Line);
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void EXTI_ClearITPendingBit(uint32_t EXTI_Line);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __STM32F0XX_EXTI_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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