[嵌入式] STM32外部中断

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[嵌入式]STM32外部中断

#define EXTI_Line0       ((uint32_t)0x00001)     /*!< External interrupt line 0 */
#define EXTI_Line1       ((uint32_t)0x00002)     /*!< External interrupt line 1 */
#define EXTI_Line2       ((uint32_t)0x00004)     /*!< External interrupt line 2 */
#define EXTI_Line3       ((uint32_t)0x00008)     /*!< External interrupt line 3 */
#define EXTI_Line4       ((uint32_t)0x00010)     /*!< External interrupt line 4 */
#define EXTI_Line5       ((uint32_t)0x00020)     /*!< External interrupt line 5 */
#define EXTI_Line6       ((uint32_t)0x00040)     /*!< External interrupt line 6 */
#define EXTI_Line7       ((uint32_t)0x00080)     /*!< External interrupt line 7 */
#define EXTI_Line8       ((uint32_t)0x00100)     /*!< External interrupt line 8 */
#define EXTI_Line9       ((uint32_t)0x00200)     /*!< External interrupt line 9 */
#define EXTI_Line10      ((uint32_t)0x00400)     /*!< External interrupt line 10 */
#define EXTI_Line11      ((uint32_t)0x00800)     /*!< External interrupt line 11 */
#define EXTI_Line12      ((uint32_t)0x01000)     /*!< External interrupt line 12 */
#define EXTI_Line13      ((uint32_t)0x02000)     /*!< External interrupt line 13 */
#define EXTI_Line14      ((uint32_t)0x04000)     /*!< External interrupt line 14 */
#define EXTI_Line15      ((uint32_t)0x08000)     /*!< External interrupt line 15 */
#define EXTI_Line16      ((uint32_t)0x10000)     /*!< External interrupt line 16 Connected to the PVD Output */
#define EXTI_Line17      ((uint32_t)0x20000)     /*!< External interrupt line 17 Connected to the RTC Alarm event */
#define EXTI_Line18      ((uint32_t)0x40000)     /*!< External interrupt line 18 Connected to the USB OTG FS Wakeup from suspend event */                                    
#define EXTI_Line19      ((uint32_t)0x80000)     /*!< External interrupt line 19 Connected to the Ethernet Wakeup event */
#define EXTI_Line20      ((uint32_t)0x00100000)  /*!< External interrupt line 20 Connected to the USB OTG HS (configured in FS) Wakeup event  */
#define EXTI_Line21      ((uint32_t)0x00200000)  /*!< External interrupt line 21 Connected to the RTC Tamper and Time Stamp events */                                               
#define EXTI_Line22      ((uint32_t)0x00400000)  /*!< External interrupt line 22 Connected to the RTC Wakeup event */
#define EXTI_Line23      ((uint32_t)0x00800000)  /*!< External interrupt line 23 Connected to the LPTIM Wakeup event */