94 lines
4.2 KiB
C
94 lines
4.2 KiB
C
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/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32v20x_exti.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : This file contains all the functions prototypes for the
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* EXTI firmware library.
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* SPDX-License-Identifier: Apache-2.0
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*******************************************************************************/
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#ifndef __CH32V20x_EXTI_H
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#define __CH32V20x_EXTI_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "ch32v20x.h"
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/* EXTI mode enumeration */
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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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/* EXTI Trigger enumeration */
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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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/* EXTI Init Structure definition */
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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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/* EXTI_Lines */
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#define EXTI_Line0 ((uint32_t)0x00001) /* External interrupt line 0 */
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#define EXTI_Line1 ((uint32_t)0x00002) /* External interrupt line 1 */
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#define EXTI_Line2 ((uint32_t)0x00004) /* External interrupt line 2 */
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#define EXTI_Line3 ((uint32_t)0x00008) /* External interrupt line 3 */
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#define EXTI_Line4 ((uint32_t)0x00010) /* External interrupt line 4 */
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#define EXTI_Line5 ((uint32_t)0x00020) /* External interrupt line 5 */
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#define EXTI_Line6 ((uint32_t)0x00040) /* External interrupt line 6 */
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#define EXTI_Line7 ((uint32_t)0x00080) /* External interrupt line 7 */
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#define EXTI_Line8 ((uint32_t)0x00100) /* External interrupt line 8 */
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#define EXTI_Line9 ((uint32_t)0x00200) /* External interrupt line 9 */
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#define EXTI_Line10 ((uint32_t)0x00400) /* External interrupt line 10 */
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#define EXTI_Line11 ((uint32_t)0x00800) /* External interrupt line 11 */
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#define EXTI_Line12 ((uint32_t)0x01000) /* External interrupt line 12 */
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#define EXTI_Line13 ((uint32_t)0x02000) /* External interrupt line 13 */
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#define EXTI_Line14 ((uint32_t)0x04000) /* External interrupt line 14 */
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#define EXTI_Line15 ((uint32_t)0x08000) /* External interrupt line 15 */
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#define EXTI_Line16 ((uint32_t)0x10000) /* External interrupt line 16 Connected to the PVD Output */
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#define EXTI_Line17 ((uint32_t)0x20000) /* External interrupt line 17 Connected to the RTC Alarm event */
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#define EXTI_Line18 ((uint32_t)0x40000) /* External interrupt line 18 Connected to the USBD Device \
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Wakeup from suspend event */
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#define EXTI_Line19 ((uint32_t)0x80000) /* External interrupt line 19 Connected to the Ethernet Wakeup event */
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#define EXTI_Line20 ((uint32_t)0x100000) /* External interrupt line 20 Connected to the USBFS Wakeup event */
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#if defined(CH32V20x_D8) || defined(CH32V20x_D8W)
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#define EXTI_Line21 ((uint32_t)0x200000) /* External interrupt line 21 Connected to the OSCCAL Wakeup event */
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#endif
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void EXTI_DeInit(void);
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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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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
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