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targets/TARGET_STM/TARGET_STM32H7/device/stm32h7xx_ll_iwdg.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1 /**
AnnaBridge 189:f392fc9709a3 2 ******************************************************************************
AnnaBridge 189:f392fc9709a3 3 * @file stm32h7xx_ll_iwdg.h
AnnaBridge 189:f392fc9709a3 4 * @author MCD Application Team
AnnaBridge 189:f392fc9709a3 5 * @brief Header file of IWDG LL module.
AnnaBridge 189:f392fc9709a3 6 ******************************************************************************
AnnaBridge 189:f392fc9709a3 7 * @attention
AnnaBridge 189:f392fc9709a3 8 *
AnnaBridge 189:f392fc9709a3 9 * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
AnnaBridge 189:f392fc9709a3 10 * All rights reserved.</center></h2>
AnnaBridge 189:f392fc9709a3 11 *
AnnaBridge 189:f392fc9709a3 12 * This software component is licensed by ST under BSD 3-Clause license,
AnnaBridge 189:f392fc9709a3 13 * the "License"; You may not use this file except in compliance with the
AnnaBridge 189:f392fc9709a3 14 * License. You may obtain a copy of the License at:
AnnaBridge 189:f392fc9709a3 15 * opensource.org/licenses/BSD-3-Clause
AnnaBridge 189:f392fc9709a3 16 *
AnnaBridge 189:f392fc9709a3 17 ******************************************************************************
AnnaBridge 189:f392fc9709a3 18 */
AnnaBridge 189:f392fc9709a3 19
AnnaBridge 189:f392fc9709a3 20 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 189:f392fc9709a3 21 #ifndef STM32H7xx_LL_IWDG_H
AnnaBridge 189:f392fc9709a3 22 #define STM32H7xx_LL_IWDG_H
AnnaBridge 189:f392fc9709a3 23
AnnaBridge 189:f392fc9709a3 24 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 25 extern "C" {
AnnaBridge 189:f392fc9709a3 26 #endif
AnnaBridge 189:f392fc9709a3 27
AnnaBridge 189:f392fc9709a3 28 /* Includes ------------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 29 #include "stm32h7xx.h"
AnnaBridge 189:f392fc9709a3 30
AnnaBridge 189:f392fc9709a3 31 /** @addtogroup STM32H7xx_LL_Driver
AnnaBridge 189:f392fc9709a3 32 * @{
AnnaBridge 189:f392fc9709a3 33 */
AnnaBridge 189:f392fc9709a3 34
AnnaBridge 189:f392fc9709a3 35 #if defined(IWDG1) || defined(IWDG2)
AnnaBridge 189:f392fc9709a3 36
AnnaBridge 189:f392fc9709a3 37 /** @defgroup IWDG_LL IWDG
AnnaBridge 189:f392fc9709a3 38 * @{
AnnaBridge 189:f392fc9709a3 39 */
AnnaBridge 189:f392fc9709a3 40
AnnaBridge 189:f392fc9709a3 41 /* Private types -------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 42 /* Private variables ---------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 43
AnnaBridge 189:f392fc9709a3 44 /* Private constants ---------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 45 /** @defgroup IWDG_LL_Private_Constants IWDG Private Constants
AnnaBridge 189:f392fc9709a3 46 * @{
AnnaBridge 189:f392fc9709a3 47 */
AnnaBridge 189:f392fc9709a3 48 #define LL_IWDG_KEY_RELOAD 0x0000AAAAU /*!< IWDG Reload Counter Enable */
AnnaBridge 189:f392fc9709a3 49 #define LL_IWDG_KEY_ENABLE 0x0000CCCCU /*!< IWDG Peripheral Enable */
AnnaBridge 189:f392fc9709a3 50 #define LL_IWDG_KEY_WR_ACCESS_ENABLE 0x00005555U /*!< IWDG KR Write Access Enable */
AnnaBridge 189:f392fc9709a3 51 #define LL_IWDG_KEY_WR_ACCESS_DISABLE 0x00000000U /*!< IWDG KR Write Access Disable */
AnnaBridge 189:f392fc9709a3 52 /**
AnnaBridge 189:f392fc9709a3 53 * @}
AnnaBridge 189:f392fc9709a3 54 */
AnnaBridge 189:f392fc9709a3 55
AnnaBridge 189:f392fc9709a3 56 /* Private macros ------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 57
AnnaBridge 189:f392fc9709a3 58 /* Exported types ------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 59 /* Exported constants --------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 60 /** @defgroup IWDG_LL_Exported_Constants IWDG Exported Constants
AnnaBridge 189:f392fc9709a3 61 * @{
AnnaBridge 189:f392fc9709a3 62 */
AnnaBridge 189:f392fc9709a3 63
AnnaBridge 189:f392fc9709a3 64 /** @defgroup IWDG_LL_EC_GET_FLAG Get Flags Defines
AnnaBridge 189:f392fc9709a3 65 * @brief Flags defines which can be used with LL_IWDG_ReadReg function
AnnaBridge 189:f392fc9709a3 66 * @{
AnnaBridge 189:f392fc9709a3 67 */
AnnaBridge 189:f392fc9709a3 68 #define LL_IWDG_SR_PVU IWDG_SR_PVU /*!< Watchdog prescaler value update */
AnnaBridge 189:f392fc9709a3 69 #define LL_IWDG_SR_RVU IWDG_SR_RVU /*!< Watchdog counter reload value update */
AnnaBridge 189:f392fc9709a3 70 #define LL_IWDG_SR_WVU IWDG_SR_WVU /*!< Watchdog counter window value update */
AnnaBridge 189:f392fc9709a3 71 /**
AnnaBridge 189:f392fc9709a3 72 * @}
AnnaBridge 189:f392fc9709a3 73 */
AnnaBridge 189:f392fc9709a3 74
AnnaBridge 189:f392fc9709a3 75 /** @defgroup IWDG_LL_EC_PRESCALER Prescaler Divider
AnnaBridge 189:f392fc9709a3 76 * @{
AnnaBridge 189:f392fc9709a3 77 */
AnnaBridge 189:f392fc9709a3 78 #define LL_IWDG_PRESCALER_4 0x00000000U /*!< Divider by 4 */
AnnaBridge 189:f392fc9709a3 79 #define LL_IWDG_PRESCALER_8 (IWDG_PR_PR_0) /*!< Divider by 8 */
AnnaBridge 189:f392fc9709a3 80 #define LL_IWDG_PRESCALER_16 (IWDG_PR_PR_1) /*!< Divider by 16 */
AnnaBridge 189:f392fc9709a3 81 #define LL_IWDG_PRESCALER_32 (IWDG_PR_PR_1 | IWDG_PR_PR_0) /*!< Divider by 32 */
AnnaBridge 189:f392fc9709a3 82 #define LL_IWDG_PRESCALER_64 (IWDG_PR_PR_2) /*!< Divider by 64 */
AnnaBridge 189:f392fc9709a3 83 #define LL_IWDG_PRESCALER_128 (IWDG_PR_PR_2 | IWDG_PR_PR_0) /*!< Divider by 128 */
AnnaBridge 189:f392fc9709a3 84 #define LL_IWDG_PRESCALER_256 (IWDG_PR_PR_2 | IWDG_PR_PR_1) /*!< Divider by 256 */
AnnaBridge 189:f392fc9709a3 85 /**
AnnaBridge 189:f392fc9709a3 86 * @}
AnnaBridge 189:f392fc9709a3 87 */
AnnaBridge 189:f392fc9709a3 88
AnnaBridge 189:f392fc9709a3 89 /**
AnnaBridge 189:f392fc9709a3 90 * @}
AnnaBridge 189:f392fc9709a3 91 */
AnnaBridge 189:f392fc9709a3 92
AnnaBridge 189:f392fc9709a3 93 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 94 /** @defgroup IWDG_LL_Exported_Macros IWDG Exported Macros
AnnaBridge 189:f392fc9709a3 95 * @{
AnnaBridge 189:f392fc9709a3 96 */
AnnaBridge 189:f392fc9709a3 97
AnnaBridge 189:f392fc9709a3 98 /** @defgroup IWDG_LL_EM_WRITE_READ Common Write and read registers Macros
AnnaBridge 189:f392fc9709a3 99 * @{
AnnaBridge 189:f392fc9709a3 100 */
AnnaBridge 189:f392fc9709a3 101
AnnaBridge 189:f392fc9709a3 102 /**
AnnaBridge 189:f392fc9709a3 103 * @brief Write a value in IWDG register
AnnaBridge 189:f392fc9709a3 104 * @param __INSTANCE__ IWDG Instance
AnnaBridge 189:f392fc9709a3 105 * @param __REG__ Register to be written
AnnaBridge 189:f392fc9709a3 106 * @param __VALUE__ Value to be written in the register
AnnaBridge 189:f392fc9709a3 107 * @retval None
AnnaBridge 189:f392fc9709a3 108 */
AnnaBridge 189:f392fc9709a3 109 #define LL_IWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
AnnaBridge 189:f392fc9709a3 110
AnnaBridge 189:f392fc9709a3 111 /**
AnnaBridge 189:f392fc9709a3 112 * @brief Read a value in IWDG register
AnnaBridge 189:f392fc9709a3 113 * @param __INSTANCE__ IWDG Instance
AnnaBridge 189:f392fc9709a3 114 * @param __REG__ Register to be read
AnnaBridge 189:f392fc9709a3 115 * @retval Register value
AnnaBridge 189:f392fc9709a3 116 */
AnnaBridge 189:f392fc9709a3 117 #define LL_IWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
AnnaBridge 189:f392fc9709a3 118 /**
AnnaBridge 189:f392fc9709a3 119 * @}
AnnaBridge 189:f392fc9709a3 120 */
AnnaBridge 189:f392fc9709a3 121
AnnaBridge 189:f392fc9709a3 122 /**
AnnaBridge 189:f392fc9709a3 123 * @}
AnnaBridge 189:f392fc9709a3 124 */
AnnaBridge 189:f392fc9709a3 125
AnnaBridge 189:f392fc9709a3 126
AnnaBridge 189:f392fc9709a3 127 /* Exported functions --------------------------------------------------------*/
AnnaBridge 189:f392fc9709a3 128 /** @defgroup IWDG_LL_Exported_Functions IWDG Exported Functions
AnnaBridge 189:f392fc9709a3 129 * @{
AnnaBridge 189:f392fc9709a3 130 */
AnnaBridge 189:f392fc9709a3 131 /** @defgroup IWDG_LL_EF_Configuration Configuration
AnnaBridge 189:f392fc9709a3 132 * @{
AnnaBridge 189:f392fc9709a3 133 */
AnnaBridge 189:f392fc9709a3 134
AnnaBridge 189:f392fc9709a3 135 /**
AnnaBridge 189:f392fc9709a3 136 * @brief Start the Independent Watchdog
AnnaBridge 189:f392fc9709a3 137 * @note Except if the hardware watchdog option is selected
AnnaBridge 189:f392fc9709a3 138 * @rmtoll KR KEY LL_IWDG_Enable
AnnaBridge 189:f392fc9709a3 139 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 140 * @retval None
AnnaBridge 189:f392fc9709a3 141 */
AnnaBridge 189:f392fc9709a3 142 __STATIC_INLINE void LL_IWDG_Enable(IWDG_TypeDef *IWDGx)
AnnaBridge 189:f392fc9709a3 143 {
AnnaBridge 189:f392fc9709a3 144 WRITE_REG(IWDGx->KR, LL_IWDG_KEY_ENABLE);
AnnaBridge 189:f392fc9709a3 145 }
AnnaBridge 189:f392fc9709a3 146
AnnaBridge 189:f392fc9709a3 147 /**
AnnaBridge 189:f392fc9709a3 148 * @brief Reloads IWDG counter with value defined in the reload register
AnnaBridge 189:f392fc9709a3 149 * @rmtoll KR KEY LL_IWDG_ReloadCounter
AnnaBridge 189:f392fc9709a3 150 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 151 * @retval None
AnnaBridge 189:f392fc9709a3 152 */
AnnaBridge 189:f392fc9709a3 153 __STATIC_INLINE void LL_IWDG_ReloadCounter(IWDG_TypeDef *IWDGx)
AnnaBridge 189:f392fc9709a3 154 {
AnnaBridge 189:f392fc9709a3 155 WRITE_REG(IWDGx->KR, LL_IWDG_KEY_RELOAD);
AnnaBridge 189:f392fc9709a3 156 }
AnnaBridge 189:f392fc9709a3 157
AnnaBridge 189:f392fc9709a3 158 /**
AnnaBridge 189:f392fc9709a3 159 * @brief Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
AnnaBridge 189:f392fc9709a3 160 * @rmtoll KR KEY LL_IWDG_EnableWriteAccess
AnnaBridge 189:f392fc9709a3 161 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 162 * @retval None
AnnaBridge 189:f392fc9709a3 163 */
AnnaBridge 189:f392fc9709a3 164 __STATIC_INLINE void LL_IWDG_EnableWriteAccess(IWDG_TypeDef *IWDGx)
AnnaBridge 189:f392fc9709a3 165 {
AnnaBridge 189:f392fc9709a3 166 WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE);
AnnaBridge 189:f392fc9709a3 167 }
AnnaBridge 189:f392fc9709a3 168
AnnaBridge 189:f392fc9709a3 169 /**
AnnaBridge 189:f392fc9709a3 170 * @brief Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
AnnaBridge 189:f392fc9709a3 171 * @rmtoll KR KEY LL_IWDG_DisableWriteAccess
AnnaBridge 189:f392fc9709a3 172 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 173 * @retval None
AnnaBridge 189:f392fc9709a3 174 */
AnnaBridge 189:f392fc9709a3 175 __STATIC_INLINE void LL_IWDG_DisableWriteAccess(IWDG_TypeDef *IWDGx)
AnnaBridge 189:f392fc9709a3 176 {
AnnaBridge 189:f392fc9709a3 177 WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE);
AnnaBridge 189:f392fc9709a3 178 }
AnnaBridge 189:f392fc9709a3 179
AnnaBridge 189:f392fc9709a3 180 /**
AnnaBridge 189:f392fc9709a3 181 * @brief Select the prescaler of the IWDG
AnnaBridge 189:f392fc9709a3 182 * @rmtoll PR PR LL_IWDG_SetPrescaler
AnnaBridge 189:f392fc9709a3 183 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 184 * @param Prescaler This parameter can be one of the following values:
AnnaBridge 189:f392fc9709a3 185 * @arg @ref LL_IWDG_PRESCALER_4
AnnaBridge 189:f392fc9709a3 186 * @arg @ref LL_IWDG_PRESCALER_8
AnnaBridge 189:f392fc9709a3 187 * @arg @ref LL_IWDG_PRESCALER_16
AnnaBridge 189:f392fc9709a3 188 * @arg @ref LL_IWDG_PRESCALER_32
AnnaBridge 189:f392fc9709a3 189 * @arg @ref LL_IWDG_PRESCALER_64
AnnaBridge 189:f392fc9709a3 190 * @arg @ref LL_IWDG_PRESCALER_128
AnnaBridge 189:f392fc9709a3 191 * @arg @ref LL_IWDG_PRESCALER_256
AnnaBridge 189:f392fc9709a3 192 * @retval None
AnnaBridge 189:f392fc9709a3 193 */
AnnaBridge 189:f392fc9709a3 194 __STATIC_INLINE void LL_IWDG_SetPrescaler(IWDG_TypeDef *IWDGx, uint32_t Prescaler)
AnnaBridge 189:f392fc9709a3 195 {
AnnaBridge 189:f392fc9709a3 196 WRITE_REG(IWDGx->PR, IWDG_PR_PR & Prescaler);
AnnaBridge 189:f392fc9709a3 197 }
AnnaBridge 189:f392fc9709a3 198
AnnaBridge 189:f392fc9709a3 199 /**
AnnaBridge 189:f392fc9709a3 200 * @brief Get the selected prescaler of the IWDG
AnnaBridge 189:f392fc9709a3 201 * @rmtoll PR PR LL_IWDG_GetPrescaler
AnnaBridge 189:f392fc9709a3 202 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 203 * @retval Returned value can be one of the following values:
AnnaBridge 189:f392fc9709a3 204 * @arg @ref LL_IWDG_PRESCALER_4
AnnaBridge 189:f392fc9709a3 205 * @arg @ref LL_IWDG_PRESCALER_8
AnnaBridge 189:f392fc9709a3 206 * @arg @ref LL_IWDG_PRESCALER_16
AnnaBridge 189:f392fc9709a3 207 * @arg @ref LL_IWDG_PRESCALER_32
AnnaBridge 189:f392fc9709a3 208 * @arg @ref LL_IWDG_PRESCALER_64
AnnaBridge 189:f392fc9709a3 209 * @arg @ref LL_IWDG_PRESCALER_128
AnnaBridge 189:f392fc9709a3 210 * @arg @ref LL_IWDG_PRESCALER_256
AnnaBridge 189:f392fc9709a3 211 */
AnnaBridge 189:f392fc9709a3 212 __STATIC_INLINE uint32_t LL_IWDG_GetPrescaler(IWDG_TypeDef *IWDGx)
AnnaBridge 189:f392fc9709a3 213 {
AnnaBridge 189:f392fc9709a3 214 return (READ_REG(IWDGx->PR));
AnnaBridge 189:f392fc9709a3 215 }
AnnaBridge 189:f392fc9709a3 216
AnnaBridge 189:f392fc9709a3 217 /**
AnnaBridge 189:f392fc9709a3 218 * @brief Specify the IWDG down-counter reload value
AnnaBridge 189:f392fc9709a3 219 * @rmtoll RLR RL LL_IWDG_SetReloadCounter
AnnaBridge 189:f392fc9709a3 220 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 221 * @param Counter Value between Min_Data=0 and Max_Data=0x0FFF
AnnaBridge 189:f392fc9709a3 222 * @retval None
AnnaBridge 189:f392fc9709a3 223 */
AnnaBridge 189:f392fc9709a3 224 __STATIC_INLINE void LL_IWDG_SetReloadCounter(IWDG_TypeDef *IWDGx, uint32_t Counter)
AnnaBridge 189:f392fc9709a3 225 {
AnnaBridge 189:f392fc9709a3 226 WRITE_REG(IWDGx->RLR, IWDG_RLR_RL & Counter);
AnnaBridge 189:f392fc9709a3 227 }
AnnaBridge 189:f392fc9709a3 228
AnnaBridge 189:f392fc9709a3 229 /**
AnnaBridge 189:f392fc9709a3 230 * @brief Get the specified IWDG down-counter reload value
AnnaBridge 189:f392fc9709a3 231 * @rmtoll RLR RL LL_IWDG_GetReloadCounter
AnnaBridge 189:f392fc9709a3 232 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 233 * @retval Value between Min_Data=0 and Max_Data=0x0FFF
AnnaBridge 189:f392fc9709a3 234 */
AnnaBridge 189:f392fc9709a3 235 __STATIC_INLINE uint32_t LL_IWDG_GetReloadCounter(IWDG_TypeDef *IWDGx)
AnnaBridge 189:f392fc9709a3 236 {
AnnaBridge 189:f392fc9709a3 237 return (READ_REG(IWDGx->RLR));
AnnaBridge 189:f392fc9709a3 238 }
AnnaBridge 189:f392fc9709a3 239
AnnaBridge 189:f392fc9709a3 240 /**
AnnaBridge 189:f392fc9709a3 241 * @brief Specify high limit of the window value to be compared to the down-counter.
AnnaBridge 189:f392fc9709a3 242 * @rmtoll WINR WIN LL_IWDG_SetWindow
AnnaBridge 189:f392fc9709a3 243 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 244 * @param Window Value between Min_Data=0 and Max_Data=0x0FFF
AnnaBridge 189:f392fc9709a3 245 * @retval None
AnnaBridge 189:f392fc9709a3 246 */
AnnaBridge 189:f392fc9709a3 247 __STATIC_INLINE void LL_IWDG_SetWindow(IWDG_TypeDef *IWDGx, uint32_t Window)
AnnaBridge 189:f392fc9709a3 248 {
AnnaBridge 189:f392fc9709a3 249 WRITE_REG(IWDGx->WINR, IWDG_WINR_WIN & Window);
AnnaBridge 189:f392fc9709a3 250 }
AnnaBridge 189:f392fc9709a3 251
AnnaBridge 189:f392fc9709a3 252 /**
AnnaBridge 189:f392fc9709a3 253 * @brief Get the high limit of the window value specified.
AnnaBridge 189:f392fc9709a3 254 * @rmtoll WINR WIN LL_IWDG_GetWindow
AnnaBridge 189:f392fc9709a3 255 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 256 * @retval Value between Min_Data=0 and Max_Data=0x0FFF
AnnaBridge 189:f392fc9709a3 257 */
AnnaBridge 189:f392fc9709a3 258 __STATIC_INLINE uint32_t LL_IWDG_GetWindow(IWDG_TypeDef *IWDGx)
AnnaBridge 189:f392fc9709a3 259 {
AnnaBridge 189:f392fc9709a3 260 return (READ_REG(IWDGx->WINR));
AnnaBridge 189:f392fc9709a3 261 }
AnnaBridge 189:f392fc9709a3 262
AnnaBridge 189:f392fc9709a3 263 /**
AnnaBridge 189:f392fc9709a3 264 * @}
AnnaBridge 189:f392fc9709a3 265 */
AnnaBridge 189:f392fc9709a3 266
AnnaBridge 189:f392fc9709a3 267 /** @defgroup IWDG_LL_EF_FLAG_Management FLAG_Management
AnnaBridge 189:f392fc9709a3 268 * @{
AnnaBridge 189:f392fc9709a3 269 */
AnnaBridge 189:f392fc9709a3 270
AnnaBridge 189:f392fc9709a3 271 /**
AnnaBridge 189:f392fc9709a3 272 * @brief Check if flag Prescaler Value Update is set or not
AnnaBridge 189:f392fc9709a3 273 * @rmtoll SR PVU LL_IWDG_IsActiveFlag_PVU
AnnaBridge 189:f392fc9709a3 274 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 275 * @retval State of bit (1 or 0).
AnnaBridge 189:f392fc9709a3 276 */
AnnaBridge 189:f392fc9709a3 277 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_PVU(IWDG_TypeDef *IWDGx)
AnnaBridge 189:f392fc9709a3 278 {
AnnaBridge 189:f392fc9709a3 279 return ((READ_BIT(IWDGx->SR, IWDG_SR_PVU) == (IWDG_SR_PVU)) ? 1UL : 0UL);
AnnaBridge 189:f392fc9709a3 280 }
AnnaBridge 189:f392fc9709a3 281
AnnaBridge 189:f392fc9709a3 282 /**
AnnaBridge 189:f392fc9709a3 283 * @brief Check if flag Reload Value Update is set or not
AnnaBridge 189:f392fc9709a3 284 * @rmtoll SR RVU LL_IWDG_IsActiveFlag_RVU
AnnaBridge 189:f392fc9709a3 285 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 286 * @retval State of bit (1 or 0).
AnnaBridge 189:f392fc9709a3 287 */
AnnaBridge 189:f392fc9709a3 288 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_RVU(IWDG_TypeDef *IWDGx)
AnnaBridge 189:f392fc9709a3 289 {
AnnaBridge 189:f392fc9709a3 290 return ((READ_BIT(IWDGx->SR, IWDG_SR_RVU) == (IWDG_SR_RVU)) ? 1UL : 0UL);
AnnaBridge 189:f392fc9709a3 291 }
AnnaBridge 189:f392fc9709a3 292
AnnaBridge 189:f392fc9709a3 293 /**
AnnaBridge 189:f392fc9709a3 294 * @brief Check if flag Window Value Update is set or not
AnnaBridge 189:f392fc9709a3 295 * @rmtoll SR WVU LL_IWDG_IsActiveFlag_WVU
AnnaBridge 189:f392fc9709a3 296 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 297 * @retval State of bit (1 or 0).
AnnaBridge 189:f392fc9709a3 298 */
AnnaBridge 189:f392fc9709a3 299 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_WVU(IWDG_TypeDef *IWDGx)
AnnaBridge 189:f392fc9709a3 300 {
AnnaBridge 189:f392fc9709a3 301 return ((READ_BIT(IWDGx->SR, IWDG_SR_WVU) == (IWDG_SR_WVU)) ? 1UL : 0UL);
AnnaBridge 189:f392fc9709a3 302 }
AnnaBridge 189:f392fc9709a3 303
AnnaBridge 189:f392fc9709a3 304 /**
AnnaBridge 189:f392fc9709a3 305 * @brief Check if all flags Prescaler, Reload & Window Value Update are reset or not
AnnaBridge 189:f392fc9709a3 306 * @rmtoll SR PVU LL_IWDG_IsReady\n
AnnaBridge 189:f392fc9709a3 307 * SR WVU LL_IWDG_IsReady\n
AnnaBridge 189:f392fc9709a3 308 * SR RVU LL_IWDG_IsReady
AnnaBridge 189:f392fc9709a3 309 * @param IWDGx IWDG Instance
AnnaBridge 189:f392fc9709a3 310 * @retval State of bits (1 or 0).
AnnaBridge 189:f392fc9709a3 311 */
AnnaBridge 189:f392fc9709a3 312 __STATIC_INLINE uint32_t LL_IWDG_IsReady(IWDG_TypeDef *IWDGx)
AnnaBridge 189:f392fc9709a3 313 {
AnnaBridge 189:f392fc9709a3 314 return ((READ_BIT(IWDGx->SR, IWDG_SR_PVU | IWDG_SR_RVU | IWDG_SR_WVU) == 0U) ? 1UL : 0UL);
AnnaBridge 189:f392fc9709a3 315 }
AnnaBridge 189:f392fc9709a3 316
AnnaBridge 189:f392fc9709a3 317 /**
AnnaBridge 189:f392fc9709a3 318 * @}
AnnaBridge 189:f392fc9709a3 319 */
AnnaBridge 189:f392fc9709a3 320
AnnaBridge 189:f392fc9709a3 321
AnnaBridge 189:f392fc9709a3 322 /**
AnnaBridge 189:f392fc9709a3 323 * @}
AnnaBridge 189:f392fc9709a3 324 */
AnnaBridge 189:f392fc9709a3 325
AnnaBridge 189:f392fc9709a3 326 /**
AnnaBridge 189:f392fc9709a3 327 * @}
AnnaBridge 189:f392fc9709a3 328 */
AnnaBridge 189:f392fc9709a3 329
AnnaBridge 189:f392fc9709a3 330 #endif /* IWDG1 || IWDG2 */
AnnaBridge 189:f392fc9709a3 331
AnnaBridge 189:f392fc9709a3 332 /**
AnnaBridge 189:f392fc9709a3 333 * @}
AnnaBridge 189:f392fc9709a3 334 */
AnnaBridge 189:f392fc9709a3 335
AnnaBridge 189:f392fc9709a3 336 #ifdef __cplusplus
AnnaBridge 189:f392fc9709a3 337 }
AnnaBridge 189:f392fc9709a3 338 #endif
AnnaBridge 189:f392fc9709a3 339
AnnaBridge 189:f392fc9709a3 340 #endif /* STM32H7xx_LL_IWDG_H */
AnnaBridge 189:f392fc9709a3 341
AnnaBridge 189:f392fc9709a3 342 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/