1 /*! 2 * @file apm32e10x_iwdt.h 3 * 4 * @brief This file contains all the functions prototypes for the IWDT firmware library 5 * 6 * @version V1.0.2 7 * 8 * @date 2022-12-31 9 * 10 * @attention 11 * 12 * Copyright (C) 2021-2023 Geehy Semiconductor 13 * 14 * You may not use this file except in compliance with the 15 * GEEHY COPYRIGHT NOTICE (GEEHY SOFTWARE PACKAGE LICENSE). 16 * 17 * The program is only for reference, which is distributed in the hope 18 * that it will be useful and instructional for customers to develop 19 * their software. Unless required by applicable law or agreed to in 20 * writing, the program is distributed on an "AS IS" BASIS, WITHOUT 21 * ANY WARRANTY OR CONDITIONS OF ANY KIND, either express or implied. 22 * See the GEEHY SOFTWARE PACKAGE LICENSE for the governing permissions 23 * and limitations under the License. 24 */ 25 26 /* Define to prevent recursive inclusion */ 27 #ifndef __APM32E10X_IWDT_H 28 #define __APM32E10X_IWDT_H 29 30 /* Includes */ 31 #include "apm32e10x.h" 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 /** @addtogroup APM32E10x_StdPeriphDriver 38 @{ 39 */ 40 41 /** @addtogroup IWDT_Driver 42 @{ 43 */ 44 45 /** @defgroup IWDT_Enumerations Enumerations 46 @{ 47 */ 48 49 /** 50 * @brief IWDT KEYWORD define 51 */ 52 typedef enum 53 { 54 IWDT_KEYWORD_RELOAD = 0xAAAA, 55 IWDT_KEYWORD_ENABLE = 0xCCCC 56 }IWDT_KEYWORD_T; 57 58 /** 59 * @brief IWDT Write Access define 60 */ 61 typedef enum 62 { 63 IWDT_WRITEACCESS_ENABLE = 0x5555, 64 IWDT_WRITEACCESS_DISABLE = 0x0000 65 }IWDT_WRITEACCESS_T; 66 67 /** 68 * @brief IWDT Divider 69 */ 70 typedef enum 71 { 72 IWDT_DIVIDER_4 = 0x00, 73 IWDT_DIVIDER_8 = 0x01, 74 IWDT_DIVIDER_16 = 0x02, 75 IWDT_DIVIDER_32 = 0x03, 76 IWDT_DIVIDER_64 = 0x04, 77 IWDT_DIVIDER_128 = 0x05, 78 IWDT_DIVIDER_256 = 0x06 79 }IWDT_DIVIDER_T; 80 81 /** 82 * @brief IWDT Flag 83 */ 84 typedef enum 85 { 86 IWDT_FLAG_PSCU = BIT0, 87 IWDT_FLAG_CNTU = BIT1 88 }IWDT_FLAG_T; 89 90 /**@} end of group IWDT_Enumerations */ 91 92 93 /** @defgroup IWDT_Functions Functions 94 @{ 95 */ 96 97 /* Enable IWDT */ 98 void IWDT_Enable(void); 99 100 /* Refresh IWDT */ 101 void IWDT_Refresh(void); 102 103 /* Counter reload */ 104 void IWDT_ConfigReload(uint16_t reload); 105 106 /* Divider */ 107 void IWDT_ConfigDivider(uint8_t div); 108 109 /* Write Access */ 110 void IWDT_EnableWriteAccess(void); 111 void IWDT_DisableWriteAccess(void); 112 113 /* flag */ 114 uint8_t IWDT_ReadStatusFlag(uint16_t flag); 115 116 /**@} end of group IWDT_Functions*/ 117 /**@} end of group IWDT_Driver */ 118 /**@} end of group APM32E10x_StdPeriphDriver*/ 119 120 #ifdef __cplusplus 121 } 122 #endif 123 124 #endif /* __APM32E10X_IWDT_H */ 125