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targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_ll_iwdg.h@0:85b3fd62ea1a, 2020-03-16 (annotated)

Committer:
NYX
Date:
Mon Mar 16 06:35:48 2020 +0000
Revision:
0:85b3fd62ea1a
reinport to mbed;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
NYX 0:85b3fd62ea1a 1 /**
NYX 0:85b3fd62ea1a 2 ******************************************************************************
NYX 0:85b3fd62ea1a 3 * @file stm32f4xx_ll_iwdg.h
NYX 0:85b3fd62ea1a 4 * @author MCD Application Team
NYX 0:85b3fd62ea1a 5 * @version V1.7.1
NYX 0:85b3fd62ea1a 6 * @date 14-April-2017
NYX 0:85b3fd62ea1a 7 * @brief Header file of IWDG LL module.
NYX 0:85b3fd62ea1a 8 ******************************************************************************
NYX 0:85b3fd62ea1a 9 * @attention
NYX 0:85b3fd62ea1a 10 *
NYX 0:85b3fd62ea1a 11 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
NYX 0:85b3fd62ea1a 12 *
NYX 0:85b3fd62ea1a 13 * Redistribution and use in source and binary forms, with or without modification,
NYX 0:85b3fd62ea1a 14 * are permitted provided that the following conditions are met:
NYX 0:85b3fd62ea1a 15 * 1. Redistributions of source code must retain the above copyright notice,
NYX 0:85b3fd62ea1a 16 * this list of conditions and the following disclaimer.
NYX 0:85b3fd62ea1a 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
NYX 0:85b3fd62ea1a 18 * this list of conditions and the following disclaimer in the documentation
NYX 0:85b3fd62ea1a 19 * and/or other materials provided with the distribution.
NYX 0:85b3fd62ea1a 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
NYX 0:85b3fd62ea1a 21 * may be used to endorse or promote products derived from this software
NYX 0:85b3fd62ea1a 22 * without specific prior written permission.
NYX 0:85b3fd62ea1a 23 *
NYX 0:85b3fd62ea1a 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
NYX 0:85b3fd62ea1a 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
NYX 0:85b3fd62ea1a 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
NYX 0:85b3fd62ea1a 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
NYX 0:85b3fd62ea1a 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
NYX 0:85b3fd62ea1a 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
NYX 0:85b3fd62ea1a 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
NYX 0:85b3fd62ea1a 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
NYX 0:85b3fd62ea1a 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
NYX 0:85b3fd62ea1a 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
NYX 0:85b3fd62ea1a 34 *
NYX 0:85b3fd62ea1a 35 ******************************************************************************
NYX 0:85b3fd62ea1a 36 */
NYX 0:85b3fd62ea1a 37
NYX 0:85b3fd62ea1a 38 /* Define to prevent recursive inclusion -------------------------------------*/
NYX 0:85b3fd62ea1a 39 #ifndef __STM32F4xx_LL_IWDG_H
NYX 0:85b3fd62ea1a 40 #define __STM32F4xx_LL_IWDG_H
NYX 0:85b3fd62ea1a 41
NYX 0:85b3fd62ea1a 42 #ifdef __cplusplus
NYX 0:85b3fd62ea1a 43 extern "C" {
NYX 0:85b3fd62ea1a 44 #endif
NYX 0:85b3fd62ea1a 45
NYX 0:85b3fd62ea1a 46 /* Includes ------------------------------------------------------------------*/
NYX 0:85b3fd62ea1a 47 #include "stm32f4xx.h"
NYX 0:85b3fd62ea1a 48
NYX 0:85b3fd62ea1a 49 /** @addtogroup STM32F4xx_LL_Driver
NYX 0:85b3fd62ea1a 50 * @{
NYX 0:85b3fd62ea1a 51 */
NYX 0:85b3fd62ea1a 52
NYX 0:85b3fd62ea1a 53 #if defined(IWDG)
NYX 0:85b3fd62ea1a 54
NYX 0:85b3fd62ea1a 55 /** @defgroup IWDG_LL IWDG
NYX 0:85b3fd62ea1a 56 * @{
NYX 0:85b3fd62ea1a 57 */
NYX 0:85b3fd62ea1a 58
NYX 0:85b3fd62ea1a 59 /* Private types -------------------------------------------------------------*/
NYX 0:85b3fd62ea1a 60 /* Private variables ---------------------------------------------------------*/
NYX 0:85b3fd62ea1a 61
NYX 0:85b3fd62ea1a 62 /* Private constants ---------------------------------------------------------*/
NYX 0:85b3fd62ea1a 63 /** @defgroup IWDG_LL_Private_Constants IWDG Private Constants
NYX 0:85b3fd62ea1a 64 * @{
NYX 0:85b3fd62ea1a 65 */
NYX 0:85b3fd62ea1a 66
NYX 0:85b3fd62ea1a 67 #define LL_IWDG_KEY_RELOAD 0x0000AAAAU /*!< IWDG Reload Counter Enable */
NYX 0:85b3fd62ea1a 68 #define LL_IWDG_KEY_ENABLE 0x0000CCCCU /*!< IWDG Peripheral Enable */
NYX 0:85b3fd62ea1a 69 #define LL_IWDG_KEY_WR_ACCESS_ENABLE 0x00005555U /*!< IWDG KR Write Access Enable */
NYX 0:85b3fd62ea1a 70 #define LL_IWDG_KEY_WR_ACCESS_DISABLE 0x00000000U /*!< IWDG KR Write Access Disable */
NYX 0:85b3fd62ea1a 71
NYX 0:85b3fd62ea1a 72 /**
NYX 0:85b3fd62ea1a 73 * @}
NYX 0:85b3fd62ea1a 74 */
NYX 0:85b3fd62ea1a 75
NYX 0:85b3fd62ea1a 76 /* Private macros ------------------------------------------------------------*/
NYX 0:85b3fd62ea1a 77
NYX 0:85b3fd62ea1a 78 /* Exported types ------------------------------------------------------------*/
NYX 0:85b3fd62ea1a 79 /* Exported constants --------------------------------------------------------*/
NYX 0:85b3fd62ea1a 80 /** @defgroup IWDG_LL_Exported_Constants IWDG Exported Constants
NYX 0:85b3fd62ea1a 81 * @{
NYX 0:85b3fd62ea1a 82 */
NYX 0:85b3fd62ea1a 83
NYX 0:85b3fd62ea1a 84 /** @defgroup IWDG_LL_EC_GET_FLAG Get Flags Defines
NYX 0:85b3fd62ea1a 85 * @brief Flags defines which can be used with LL_IWDG_ReadReg function
NYX 0:85b3fd62ea1a 86 * @{
NYX 0:85b3fd62ea1a 87 */
NYX 0:85b3fd62ea1a 88 #define LL_IWDG_SR_PVU IWDG_SR_PVU /*!< Watchdog prescaler value update */
NYX 0:85b3fd62ea1a 89 #define LL_IWDG_SR_RVU IWDG_SR_RVU /*!< Watchdog counter reload value update */
NYX 0:85b3fd62ea1a 90
NYX 0:85b3fd62ea1a 91 /**
NYX 0:85b3fd62ea1a 92 * @}
NYX 0:85b3fd62ea1a 93 */
NYX 0:85b3fd62ea1a 94
NYX 0:85b3fd62ea1a 95 /** @defgroup IWDG_LL_EC_PRESCALER Prescaler Divider
NYX 0:85b3fd62ea1a 96 * @{
NYX 0:85b3fd62ea1a 97 */
NYX 0:85b3fd62ea1a 98 #define LL_IWDG_PRESCALER_4 0x00000000U /*!< Divider by 4 */
NYX 0:85b3fd62ea1a 99 #define LL_IWDG_PRESCALER_8 (IWDG_PR_PR_0) /*!< Divider by 8 */
NYX 0:85b3fd62ea1a 100 #define LL_IWDG_PRESCALER_16 (IWDG_PR_PR_1) /*!< Divider by 16 */
NYX 0:85b3fd62ea1a 101 #define LL_IWDG_PRESCALER_32 (IWDG_PR_PR_1 | IWDG_PR_PR_0) /*!< Divider by 32 */
NYX 0:85b3fd62ea1a 102 #define LL_IWDG_PRESCALER_64 (IWDG_PR_PR_2) /*!< Divider by 64 */
NYX 0:85b3fd62ea1a 103 #define LL_IWDG_PRESCALER_128 (IWDG_PR_PR_2 | IWDG_PR_PR_0) /*!< Divider by 128 */
NYX 0:85b3fd62ea1a 104 #define LL_IWDG_PRESCALER_256 (IWDG_PR_PR_2 | IWDG_PR_PR_1) /*!< Divider by 256 */
NYX 0:85b3fd62ea1a 105 /**
NYX 0:85b3fd62ea1a 106 * @}
NYX 0:85b3fd62ea1a 107 */
NYX 0:85b3fd62ea1a 108
NYX 0:85b3fd62ea1a 109 /**
NYX 0:85b3fd62ea1a 110 * @}
NYX 0:85b3fd62ea1a 111 */
NYX 0:85b3fd62ea1a 112
NYX 0:85b3fd62ea1a 113 /* Exported macro ------------------------------------------------------------*/
NYX 0:85b3fd62ea1a 114 /** @defgroup IWDG_LL_Exported_Macros IWDG Exported Macros
NYX 0:85b3fd62ea1a 115 * @{
NYX 0:85b3fd62ea1a 116 */
NYX 0:85b3fd62ea1a 117
NYX 0:85b3fd62ea1a 118 /** @defgroup IWDG_LL_EM_WRITE_READ Common Write and read registers Macros
NYX 0:85b3fd62ea1a 119 * @{
NYX 0:85b3fd62ea1a 120 */
NYX 0:85b3fd62ea1a 121
NYX 0:85b3fd62ea1a 122 /**
NYX 0:85b3fd62ea1a 123 * @brief Write a value in IWDG register
NYX 0:85b3fd62ea1a 124 * @param __INSTANCE__ IWDG Instance
NYX 0:85b3fd62ea1a 125 * @param __REG__ Register to be written
NYX 0:85b3fd62ea1a 126 * @param __VALUE__ Value to be written in the register
NYX 0:85b3fd62ea1a 127 * @retval None
NYX 0:85b3fd62ea1a 128 */
NYX 0:85b3fd62ea1a 129 #define LL_IWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
NYX 0:85b3fd62ea1a 130
NYX 0:85b3fd62ea1a 131 /**
NYX 0:85b3fd62ea1a 132 * @brief Read a value in IWDG register
NYX 0:85b3fd62ea1a 133 * @param __INSTANCE__ IWDG Instance
NYX 0:85b3fd62ea1a 134 * @param __REG__ Register to be read
NYX 0:85b3fd62ea1a 135 * @retval Register value
NYX 0:85b3fd62ea1a 136 */
NYX 0:85b3fd62ea1a 137 #define LL_IWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
NYX 0:85b3fd62ea1a 138 /**
NYX 0:85b3fd62ea1a 139 * @}
NYX 0:85b3fd62ea1a 140 */
NYX 0:85b3fd62ea1a 141
NYX 0:85b3fd62ea1a 142 /**
NYX 0:85b3fd62ea1a 143 * @}
NYX 0:85b3fd62ea1a 144 */
NYX 0:85b3fd62ea1a 145
NYX 0:85b3fd62ea1a 146
NYX 0:85b3fd62ea1a 147 /* Exported functions --------------------------------------------------------*/
NYX 0:85b3fd62ea1a 148 /** @defgroup IWDG_LL_Exported_Functions IWDG Exported Functions
NYX 0:85b3fd62ea1a 149 * @{
NYX 0:85b3fd62ea1a 150 */
NYX 0:85b3fd62ea1a 151 /** @defgroup IWDG_LL_EF_Configuration Configuration
NYX 0:85b3fd62ea1a 152 * @{
NYX 0:85b3fd62ea1a 153 */
NYX 0:85b3fd62ea1a 154
NYX 0:85b3fd62ea1a 155 /**
NYX 0:85b3fd62ea1a 156 * @brief Start the Independent Watchdog
NYX 0:85b3fd62ea1a 157 * @note Except if the hardware watchdog option is selected
NYX 0:85b3fd62ea1a 158 * @rmtoll KR KEY LL_IWDG_Enable
NYX 0:85b3fd62ea1a 159 * @param IWDGx IWDG Instance
NYX 0:85b3fd62ea1a 160 * @retval None
NYX 0:85b3fd62ea1a 161 */
NYX 0:85b3fd62ea1a 162 __STATIC_INLINE void LL_IWDG_Enable(IWDG_TypeDef *IWDGx)
NYX 0:85b3fd62ea1a 163 {
NYX 0:85b3fd62ea1a 164 WRITE_REG(IWDG->KR, LL_IWDG_KEY_ENABLE);
NYX 0:85b3fd62ea1a 165 }
NYX 0:85b3fd62ea1a 166
NYX 0:85b3fd62ea1a 167 /**
NYX 0:85b3fd62ea1a 168 * @brief Reloads IWDG counter with value defined in the reload register
NYX 0:85b3fd62ea1a 169 * @rmtoll KR KEY LL_IWDG_ReloadCounter
NYX 0:85b3fd62ea1a 170 * @param IWDGx IWDG Instance
NYX 0:85b3fd62ea1a 171 * @retval None
NYX 0:85b3fd62ea1a 172 */
NYX 0:85b3fd62ea1a 173 __STATIC_INLINE void LL_IWDG_ReloadCounter(IWDG_TypeDef *IWDGx)
NYX 0:85b3fd62ea1a 174 {
NYX 0:85b3fd62ea1a 175 WRITE_REG(IWDG->KR, LL_IWDG_KEY_RELOAD);
NYX 0:85b3fd62ea1a 176 }
NYX 0:85b3fd62ea1a 177
NYX 0:85b3fd62ea1a 178 /**
NYX 0:85b3fd62ea1a 179 * @brief Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
NYX 0:85b3fd62ea1a 180 * @rmtoll KR KEY LL_IWDG_EnableWriteAccess
NYX 0:85b3fd62ea1a 181 * @param IWDGx IWDG Instance
NYX 0:85b3fd62ea1a 182 * @retval None
NYX 0:85b3fd62ea1a 183 */
NYX 0:85b3fd62ea1a 184 __STATIC_INLINE void LL_IWDG_EnableWriteAccess(IWDG_TypeDef *IWDGx)
NYX 0:85b3fd62ea1a 185 {
NYX 0:85b3fd62ea1a 186 WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE);
NYX 0:85b3fd62ea1a 187 }
NYX 0:85b3fd62ea1a 188
NYX 0:85b3fd62ea1a 189 /**
NYX 0:85b3fd62ea1a 190 * @brief Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
NYX 0:85b3fd62ea1a 191 * @rmtoll KR KEY LL_IWDG_DisableWriteAccess
NYX 0:85b3fd62ea1a 192 * @param IWDGx IWDG Instance
NYX 0:85b3fd62ea1a 193 * @retval None
NYX 0:85b3fd62ea1a 194 */
NYX 0:85b3fd62ea1a 195 __STATIC_INLINE void LL_IWDG_DisableWriteAccess(IWDG_TypeDef *IWDGx)
NYX 0:85b3fd62ea1a 196 {
NYX 0:85b3fd62ea1a 197 WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE);
NYX 0:85b3fd62ea1a 198 }
NYX 0:85b3fd62ea1a 199
NYX 0:85b3fd62ea1a 200 /**
NYX 0:85b3fd62ea1a 201 * @brief Select the prescaler of the IWDG
NYX 0:85b3fd62ea1a 202 * @rmtoll PR PR LL_IWDG_SetPrescaler
NYX 0:85b3fd62ea1a 203 * @param IWDGx IWDG Instance
NYX 0:85b3fd62ea1a 204 * @param Prescaler This parameter can be one of the following values:
NYX 0:85b3fd62ea1a 205 * @arg @ref LL_IWDG_PRESCALER_4
NYX 0:85b3fd62ea1a 206 * @arg @ref LL_IWDG_PRESCALER_8
NYX 0:85b3fd62ea1a 207 * @arg @ref LL_IWDG_PRESCALER_16
NYX 0:85b3fd62ea1a 208 * @arg @ref LL_IWDG_PRESCALER_32
NYX 0:85b3fd62ea1a 209 * @arg @ref LL_IWDG_PRESCALER_64
NYX 0:85b3fd62ea1a 210 * @arg @ref LL_IWDG_PRESCALER_128
NYX 0:85b3fd62ea1a 211 * @arg @ref LL_IWDG_PRESCALER_256
NYX 0:85b3fd62ea1a 212 * @retval None
NYX 0:85b3fd62ea1a 213 */
NYX 0:85b3fd62ea1a 214 __STATIC_INLINE void LL_IWDG_SetPrescaler(IWDG_TypeDef *IWDGx, uint32_t Prescaler)
NYX 0:85b3fd62ea1a 215 {
NYX 0:85b3fd62ea1a 216 WRITE_REG(IWDGx->PR, IWDG_PR_PR & Prescaler);
NYX 0:85b3fd62ea1a 217 }
NYX 0:85b3fd62ea1a 218
NYX 0:85b3fd62ea1a 219 /**
NYX 0:85b3fd62ea1a 220 * @brief Get the selected prescaler of the IWDG
NYX 0:85b3fd62ea1a 221 * @rmtoll PR PR LL_IWDG_GetPrescaler
NYX 0:85b3fd62ea1a 222 * @param IWDGx IWDG Instance
NYX 0:85b3fd62ea1a 223 * @retval Returned value can be one of the following values:
NYX 0:85b3fd62ea1a 224 * @arg @ref LL_IWDG_PRESCALER_4
NYX 0:85b3fd62ea1a 225 * @arg @ref LL_IWDG_PRESCALER_8
NYX 0:85b3fd62ea1a 226 * @arg @ref LL_IWDG_PRESCALER_16
NYX 0:85b3fd62ea1a 227 * @arg @ref LL_IWDG_PRESCALER_32
NYX 0:85b3fd62ea1a 228 * @arg @ref LL_IWDG_PRESCALER_64
NYX 0:85b3fd62ea1a 229 * @arg @ref LL_IWDG_PRESCALER_128
NYX 0:85b3fd62ea1a 230 * @arg @ref LL_IWDG_PRESCALER_256
NYX 0:85b3fd62ea1a 231 */
NYX 0:85b3fd62ea1a 232 __STATIC_INLINE uint32_t LL_IWDG_GetPrescaler(IWDG_TypeDef *IWDGx)
NYX 0:85b3fd62ea1a 233 {
NYX 0:85b3fd62ea1a 234 return (uint32_t)(READ_REG(IWDGx->PR));
NYX 0:85b3fd62ea1a 235 }
NYX 0:85b3fd62ea1a 236
NYX 0:85b3fd62ea1a 237 /**
NYX 0:85b3fd62ea1a 238 * @brief Specify the IWDG down-counter reload value
NYX 0:85b3fd62ea1a 239 * @rmtoll RLR RL LL_IWDG_SetReloadCounter
NYX 0:85b3fd62ea1a 240 * @param IWDGx IWDG Instance
NYX 0:85b3fd62ea1a 241 * @param Counter Value between Min_Data=0 and Max_Data=0x0FFF
NYX 0:85b3fd62ea1a 242 * @retval None
NYX 0:85b3fd62ea1a 243 */
NYX 0:85b3fd62ea1a 244 __STATIC_INLINE void LL_IWDG_SetReloadCounter(IWDG_TypeDef *IWDGx, uint32_t Counter)
NYX 0:85b3fd62ea1a 245 {
NYX 0:85b3fd62ea1a 246 WRITE_REG(IWDGx->RLR, IWDG_RLR_RL & Counter);
NYX 0:85b3fd62ea1a 247 }
NYX 0:85b3fd62ea1a 248
NYX 0:85b3fd62ea1a 249 /**
NYX 0:85b3fd62ea1a 250 * @brief Get the specified IWDG down-counter reload value
NYX 0:85b3fd62ea1a 251 * @rmtoll RLR RL LL_IWDG_GetReloadCounter
NYX 0:85b3fd62ea1a 252 * @param IWDGx IWDG Instance
NYX 0:85b3fd62ea1a 253 * @retval Value between Min_Data=0 and Max_Data=0x0FFF
NYX 0:85b3fd62ea1a 254 */
NYX 0:85b3fd62ea1a 255 __STATIC_INLINE uint32_t LL_IWDG_GetReloadCounter(IWDG_TypeDef *IWDGx)
NYX 0:85b3fd62ea1a 256 {
NYX 0:85b3fd62ea1a 257 return (uint32_t)(READ_REG(IWDGx->RLR));
NYX 0:85b3fd62ea1a 258 }
NYX 0:85b3fd62ea1a 259
NYX 0:85b3fd62ea1a 260
NYX 0:85b3fd62ea1a 261 /**
NYX 0:85b3fd62ea1a 262 * @}
NYX 0:85b3fd62ea1a 263 */
NYX 0:85b3fd62ea1a 264
NYX 0:85b3fd62ea1a 265 /** @defgroup IWDG_LL_EF_FLAG_Management FLAG_Management
NYX 0:85b3fd62ea1a 266 * @{
NYX 0:85b3fd62ea1a 267 */
NYX 0:85b3fd62ea1a 268
NYX 0:85b3fd62ea1a 269 /**
NYX 0:85b3fd62ea1a 270 * @brief Check if flag Prescaler Value Update is set or not
NYX 0:85b3fd62ea1a 271 * @rmtoll SR PVU LL_IWDG_IsActiveFlag_PVU
NYX 0:85b3fd62ea1a 272 * @param IWDGx IWDG Instance
NYX 0:85b3fd62ea1a 273 * @retval State of bit (1 or 0).
NYX 0:85b3fd62ea1a 274 */
NYX 0:85b3fd62ea1a 275 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_PVU(IWDG_TypeDef *IWDGx)
NYX 0:85b3fd62ea1a 276 {
NYX 0:85b3fd62ea1a 277 return (READ_BIT(IWDGx->SR, IWDG_SR_PVU) == (IWDG_SR_PVU));
NYX 0:85b3fd62ea1a 278 }
NYX 0:85b3fd62ea1a 279
NYX 0:85b3fd62ea1a 280 /**
NYX 0:85b3fd62ea1a 281 * @brief Check if flag Reload Value Update is set or not
NYX 0:85b3fd62ea1a 282 * @rmtoll SR RVU LL_IWDG_IsActiveFlag_RVU
NYX 0:85b3fd62ea1a 283 * @param IWDGx IWDG Instance
NYX 0:85b3fd62ea1a 284 * @retval State of bit (1 or 0).
NYX 0:85b3fd62ea1a 285 */
NYX 0:85b3fd62ea1a 286 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_RVU(IWDG_TypeDef *IWDGx)
NYX 0:85b3fd62ea1a 287 {
NYX 0:85b3fd62ea1a 288 return (READ_BIT(IWDGx->SR, IWDG_SR_RVU) == (IWDG_SR_RVU));
NYX 0:85b3fd62ea1a 289 }
NYX 0:85b3fd62ea1a 290
NYX 0:85b3fd62ea1a 291
NYX 0:85b3fd62ea1a 292 /**
NYX 0:85b3fd62ea1a 293 * @brief Check if all flags Prescaler, Reload & Window Value Update are reset or not
NYX 0:85b3fd62ea1a 294 * @rmtoll SR PVU LL_IWDG_IsReady\n
NYX 0:85b3fd62ea1a 295 * SR RVU LL_IWDG_IsReady
NYX 0:85b3fd62ea1a 296 * @param IWDGx IWDG Instance
NYX 0:85b3fd62ea1a 297 * @retval State of bits (1 or 0).
NYX 0:85b3fd62ea1a 298 */
NYX 0:85b3fd62ea1a 299 __STATIC_INLINE uint32_t LL_IWDG_IsReady(IWDG_TypeDef *IWDGx)
NYX 0:85b3fd62ea1a 300 {
NYX 0:85b3fd62ea1a 301 return (READ_BIT(IWDGx->SR, IWDG_SR_PVU | IWDG_SR_RVU) == 0U);
NYX 0:85b3fd62ea1a 302 }
NYX 0:85b3fd62ea1a 303
NYX 0:85b3fd62ea1a 304 /**
NYX 0:85b3fd62ea1a 305 * @}
NYX 0:85b3fd62ea1a 306 */
NYX 0:85b3fd62ea1a 307
NYX 0:85b3fd62ea1a 308
NYX 0:85b3fd62ea1a 309 /**
NYX 0:85b3fd62ea1a 310 * @}
NYX 0:85b3fd62ea1a 311 */
NYX 0:85b3fd62ea1a 312
NYX 0:85b3fd62ea1a 313 /**
NYX 0:85b3fd62ea1a 314 * @}
NYX 0:85b3fd62ea1a 315 */
NYX 0:85b3fd62ea1a 316
NYX 0:85b3fd62ea1a 317 #endif /* IWDG) */
NYX 0:85b3fd62ea1a 318
NYX 0:85b3fd62ea1a 319 /**
NYX 0:85b3fd62ea1a 320 * @}
NYX 0:85b3fd62ea1a 321 */
NYX 0:85b3fd62ea1a 322
NYX 0:85b3fd62ea1a 323 #ifdef __cplusplus
NYX 0:85b3fd62ea1a 324 }
NYX 0:85b3fd62ea1a 325 #endif
NYX 0:85b3fd62ea1a 326
NYX 0:85b3fd62ea1a 327 #endif /* __STM32F4xx_LL_IWDG_H */
NYX 0:85b3fd62ea1a 328
NYX 0:85b3fd62ea1a 329 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/