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HAL_L476/stm32l4xx_ll_iwdg.h@1:d0dfbce63a89, 2017-02-24 (annotated)

Committer:
elmot
Date:
Fri Feb 24 21:13:56 2017 +0000
Revision:
1:d0dfbce63a89
Ready-to-copy

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elmot 1:d0dfbce63a89 1 /**
elmot 1:d0dfbce63a89 2 ******************************************************************************
elmot 1:d0dfbce63a89 3 * @file stm32l4xx_ll_iwdg.h
elmot 1:d0dfbce63a89 4 * @author MCD Application Team
elmot 1:d0dfbce63a89 5 * @version V1.5.1
elmot 1:d0dfbce63a89 6 * @date 31-May-2016
elmot 1:d0dfbce63a89 7 * @brief Header file of IWDG LL module.
elmot 1:d0dfbce63a89 8 ******************************************************************************
elmot 1:d0dfbce63a89 9 * @attention
elmot 1:d0dfbce63a89 10 *
elmot 1:d0dfbce63a89 11 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
elmot 1:d0dfbce63a89 12 *
elmot 1:d0dfbce63a89 13 * Redistribution and use in source and binary forms, with or without modification,
elmot 1:d0dfbce63a89 14 * are permitted provided that the following conditions are met:
elmot 1:d0dfbce63a89 15 * 1. Redistributions of source code must retain the above copyright notice,
elmot 1:d0dfbce63a89 16 * this list of conditions and the following disclaimer.
elmot 1:d0dfbce63a89 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
elmot 1:d0dfbce63a89 18 * this list of conditions and the following disclaimer in the documentation
elmot 1:d0dfbce63a89 19 * and/or other materials provided with the distribution.
elmot 1:d0dfbce63a89 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
elmot 1:d0dfbce63a89 21 * may be used to endorse or promote products derived from this software
elmot 1:d0dfbce63a89 22 * without specific prior written permission.
elmot 1:d0dfbce63a89 23 *
elmot 1:d0dfbce63a89 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
elmot 1:d0dfbce63a89 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
elmot 1:d0dfbce63a89 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
elmot 1:d0dfbce63a89 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
elmot 1:d0dfbce63a89 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
elmot 1:d0dfbce63a89 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
elmot 1:d0dfbce63a89 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
elmot 1:d0dfbce63a89 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
elmot 1:d0dfbce63a89 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
elmot 1:d0dfbce63a89 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
elmot 1:d0dfbce63a89 34 *
elmot 1:d0dfbce63a89 35 ******************************************************************************
elmot 1:d0dfbce63a89 36 */
elmot 1:d0dfbce63a89 37
elmot 1:d0dfbce63a89 38 /* Define to prevent recursive inclusion -------------------------------------*/
elmot 1:d0dfbce63a89 39 #ifndef __STM32L4xx_LL_IWDG_H
elmot 1:d0dfbce63a89 40 #define __STM32L4xx_LL_IWDG_H
elmot 1:d0dfbce63a89 41
elmot 1:d0dfbce63a89 42 #ifdef __cplusplus
elmot 1:d0dfbce63a89 43 extern "C" {
elmot 1:d0dfbce63a89 44 #endif
elmot 1:d0dfbce63a89 45
elmot 1:d0dfbce63a89 46 /* Includes ------------------------------------------------------------------*/
elmot 1:d0dfbce63a89 47 #include "stm32l4xx.h"
elmot 1:d0dfbce63a89 48
elmot 1:d0dfbce63a89 49 /** @addtogroup STM32L4xx_LL_Driver
elmot 1:d0dfbce63a89 50 * @{
elmot 1:d0dfbce63a89 51 */
elmot 1:d0dfbce63a89 52
elmot 1:d0dfbce63a89 53 #if defined(IWDG)
elmot 1:d0dfbce63a89 54
elmot 1:d0dfbce63a89 55 /** @defgroup IWDG_LL IWDG
elmot 1:d0dfbce63a89 56 * @{
elmot 1:d0dfbce63a89 57 */
elmot 1:d0dfbce63a89 58
elmot 1:d0dfbce63a89 59 /* Private types -------------------------------------------------------------*/
elmot 1:d0dfbce63a89 60 /* Private variables ---------------------------------------------------------*/
elmot 1:d0dfbce63a89 61
elmot 1:d0dfbce63a89 62 /* Private constants ---------------------------------------------------------*/
elmot 1:d0dfbce63a89 63 /** @defgroup IWDG_LL_Private_Constants IWDG Private Constants
elmot 1:d0dfbce63a89 64 * @{
elmot 1:d0dfbce63a89 65 */
elmot 1:d0dfbce63a89 66
elmot 1:d0dfbce63a89 67 #define LL_IWDG_KEY_RELOAD ((uint32_t)0x0000AAAAU) /*!< IWDG Reload Counter Enable */
elmot 1:d0dfbce63a89 68 #define LL_IWDG_KEY_ENABLE ((uint32_t)0x0000CCCCU) /*!< IWDG Peripheral Enable */
elmot 1:d0dfbce63a89 69 #define LL_IWDG_KEY_WR_ACCESS_ENABLE ((uint32_t)0x00005555U) /*!< IWDG KR Write Access Enable */
elmot 1:d0dfbce63a89 70 #define LL_IWDG_KEY_WR_ACCESS_DISABLE ((uint32_t)0x00000000U) /*!< IWDG KR Write Access Disable */
elmot 1:d0dfbce63a89 71
elmot 1:d0dfbce63a89 72 /**
elmot 1:d0dfbce63a89 73 * @}
elmot 1:d0dfbce63a89 74 */
elmot 1:d0dfbce63a89 75
elmot 1:d0dfbce63a89 76 /* Private macros ------------------------------------------------------------*/
elmot 1:d0dfbce63a89 77
elmot 1:d0dfbce63a89 78 /* Exported types ------------------------------------------------------------*/
elmot 1:d0dfbce63a89 79 /* Exported constants --------------------------------------------------------*/
elmot 1:d0dfbce63a89 80 /** @defgroup IWDG_LL_Exported_Constants IWDG Exported Constants
elmot 1:d0dfbce63a89 81 * @{
elmot 1:d0dfbce63a89 82 */
elmot 1:d0dfbce63a89 83
elmot 1:d0dfbce63a89 84 /** @defgroup IWDG_LL_EC_GET_FLAG Get Flags Defines
elmot 1:d0dfbce63a89 85 * @brief Flags defines which can be used with LL_IWDG_ReadReg function
elmot 1:d0dfbce63a89 86 * @{
elmot 1:d0dfbce63a89 87 */
elmot 1:d0dfbce63a89 88 #define LL_IWDG_SR_PVU IWDG_SR_PVU /*!< Watchdog prescaler value update */
elmot 1:d0dfbce63a89 89 #define LL_IWDG_SR_RVU IWDG_SR_RVU /*!< Watchdog counter reload value update */
elmot 1:d0dfbce63a89 90 #define LL_IWDG_SR_WVU IWDG_SR_WVU /*!< Watchdog counter window value update */
elmot 1:d0dfbce63a89 91
elmot 1:d0dfbce63a89 92 /**
elmot 1:d0dfbce63a89 93 * @}
elmot 1:d0dfbce63a89 94 */
elmot 1:d0dfbce63a89 95
elmot 1:d0dfbce63a89 96 /** @defgroup IWDG_LL_EC_PRESCALER Prescaler Divider
elmot 1:d0dfbce63a89 97 * @{
elmot 1:d0dfbce63a89 98 */
elmot 1:d0dfbce63a89 99 #define LL_IWDG_PRESCALER_4 ((uint32_t)0x00000000U) /*!< Divider by 4 */
elmot 1:d0dfbce63a89 100 #define LL_IWDG_PRESCALER_8 (IWDG_PR_PR_0) /*!< Divider by 8 */
elmot 1:d0dfbce63a89 101 #define LL_IWDG_PRESCALER_16 (IWDG_PR_PR_1) /*!< Divider by 16 */
elmot 1:d0dfbce63a89 102 #define LL_IWDG_PRESCALER_32 (IWDG_PR_PR_1 | IWDG_PR_PR_0) /*!< Divider by 32 */
elmot 1:d0dfbce63a89 103 #define LL_IWDG_PRESCALER_64 (IWDG_PR_PR_2) /*!< Divider by 64 */
elmot 1:d0dfbce63a89 104 #define LL_IWDG_PRESCALER_128 (IWDG_PR_PR_2 | IWDG_PR_PR_0) /*!< Divider by 128 */
elmot 1:d0dfbce63a89 105 #define LL_IWDG_PRESCALER_256 (IWDG_PR_PR_2 | IWDG_PR_PR_1) /*!< Divider by 256 */
elmot 1:d0dfbce63a89 106 /**
elmot 1:d0dfbce63a89 107 * @}
elmot 1:d0dfbce63a89 108 */
elmot 1:d0dfbce63a89 109
elmot 1:d0dfbce63a89 110 /**
elmot 1:d0dfbce63a89 111 * @}
elmot 1:d0dfbce63a89 112 */
elmot 1:d0dfbce63a89 113
elmot 1:d0dfbce63a89 114 /* Exported macro ------------------------------------------------------------*/
elmot 1:d0dfbce63a89 115 /** @defgroup IWDG_LL_Exported_Macros IWDG Exported Macros
elmot 1:d0dfbce63a89 116 * @{
elmot 1:d0dfbce63a89 117 */
elmot 1:d0dfbce63a89 118
elmot 1:d0dfbce63a89 119 /** @defgroup IWDG_LL_EM_WRITE_READ Common Write and read registers Macros
elmot 1:d0dfbce63a89 120 * @{
elmot 1:d0dfbce63a89 121 */
elmot 1:d0dfbce63a89 122
elmot 1:d0dfbce63a89 123 /**
elmot 1:d0dfbce63a89 124 * @brief Write a value in IWDG register
elmot 1:d0dfbce63a89 125 * @param __INSTANCE__ IWDG Instance
elmot 1:d0dfbce63a89 126 * @param __REG__ Register to be written
elmot 1:d0dfbce63a89 127 * @param __VALUE__ Value to be written in the register
elmot 1:d0dfbce63a89 128 * @retval None
elmot 1:d0dfbce63a89 129 */
elmot 1:d0dfbce63a89 130 #define LL_IWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
elmot 1:d0dfbce63a89 131
elmot 1:d0dfbce63a89 132 /**
elmot 1:d0dfbce63a89 133 * @brief Read a value in IWDG register
elmot 1:d0dfbce63a89 134 * @param __INSTANCE__ IWDG Instance
elmot 1:d0dfbce63a89 135 * @param __REG__ Register to be read
elmot 1:d0dfbce63a89 136 * @retval Register value
elmot 1:d0dfbce63a89 137 */
elmot 1:d0dfbce63a89 138 #define LL_IWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
elmot 1:d0dfbce63a89 139 /**
elmot 1:d0dfbce63a89 140 * @}
elmot 1:d0dfbce63a89 141 */
elmot 1:d0dfbce63a89 142
elmot 1:d0dfbce63a89 143 /**
elmot 1:d0dfbce63a89 144 * @}
elmot 1:d0dfbce63a89 145 */
elmot 1:d0dfbce63a89 146
elmot 1:d0dfbce63a89 147
elmot 1:d0dfbce63a89 148 /* Exported functions --------------------------------------------------------*/
elmot 1:d0dfbce63a89 149 /** @defgroup IWDG_LL_Exported_Functions IWDG Exported Functions
elmot 1:d0dfbce63a89 150 * @{
elmot 1:d0dfbce63a89 151 */
elmot 1:d0dfbce63a89 152 /** @defgroup IWDG_LL_EF_Configuration Configuration
elmot 1:d0dfbce63a89 153 * @{
elmot 1:d0dfbce63a89 154 */
elmot 1:d0dfbce63a89 155
elmot 1:d0dfbce63a89 156 /**
elmot 1:d0dfbce63a89 157 * @brief Start the Independent Watchdog
elmot 1:d0dfbce63a89 158 * @note Except if the hardware watchdog option is selected
elmot 1:d0dfbce63a89 159 * @rmtoll KR KEY LL_IWDG_Enable
elmot 1:d0dfbce63a89 160 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 161 * @retval None
elmot 1:d0dfbce63a89 162 */
elmot 1:d0dfbce63a89 163 __STATIC_INLINE void LL_IWDG_Enable(IWDG_TypeDef *IWDGx)
elmot 1:d0dfbce63a89 164 {
elmot 1:d0dfbce63a89 165 WRITE_REG(IWDG->KR, LL_IWDG_KEY_ENABLE);
elmot 1:d0dfbce63a89 166 }
elmot 1:d0dfbce63a89 167
elmot 1:d0dfbce63a89 168 /**
elmot 1:d0dfbce63a89 169 * @brief Reloads IWDG counter with value defined in the reload register
elmot 1:d0dfbce63a89 170 * @rmtoll KR KEY LL_IWDG_ReloadCounter
elmot 1:d0dfbce63a89 171 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 172 * @retval None
elmot 1:d0dfbce63a89 173 */
elmot 1:d0dfbce63a89 174 __STATIC_INLINE void LL_IWDG_ReloadCounter(IWDG_TypeDef *IWDGx)
elmot 1:d0dfbce63a89 175 {
elmot 1:d0dfbce63a89 176 WRITE_REG(IWDG->KR, LL_IWDG_KEY_RELOAD);
elmot 1:d0dfbce63a89 177 }
elmot 1:d0dfbce63a89 178
elmot 1:d0dfbce63a89 179 /**
elmot 1:d0dfbce63a89 180 * @brief Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
elmot 1:d0dfbce63a89 181 * @rmtoll KR KEY LL_IWDG_EnableWriteAccess
elmot 1:d0dfbce63a89 182 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 183 * @retval None
elmot 1:d0dfbce63a89 184 */
elmot 1:d0dfbce63a89 185 __STATIC_INLINE void LL_IWDG_EnableWriteAccess(IWDG_TypeDef *IWDGx)
elmot 1:d0dfbce63a89 186 {
elmot 1:d0dfbce63a89 187 WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE);
elmot 1:d0dfbce63a89 188 }
elmot 1:d0dfbce63a89 189
elmot 1:d0dfbce63a89 190 /**
elmot 1:d0dfbce63a89 191 * @brief Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
elmot 1:d0dfbce63a89 192 * @rmtoll KR KEY LL_IWDG_DisableWriteAccess
elmot 1:d0dfbce63a89 193 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 194 * @retval None
elmot 1:d0dfbce63a89 195 */
elmot 1:d0dfbce63a89 196 __STATIC_INLINE void LL_IWDG_DisableWriteAccess(IWDG_TypeDef *IWDGx)
elmot 1:d0dfbce63a89 197 {
elmot 1:d0dfbce63a89 198 WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE);
elmot 1:d0dfbce63a89 199 }
elmot 1:d0dfbce63a89 200
elmot 1:d0dfbce63a89 201 /**
elmot 1:d0dfbce63a89 202 * @brief Select the prescaler of the IWDG
elmot 1:d0dfbce63a89 203 * @rmtoll PR PR LL_IWDG_SetPrescaler
elmot 1:d0dfbce63a89 204 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 205 * @param Prescaler This parameter can be one of the following values:
elmot 1:d0dfbce63a89 206 * @arg @ref LL_IWDG_PRESCALER_4
elmot 1:d0dfbce63a89 207 * @arg @ref LL_IWDG_PRESCALER_8
elmot 1:d0dfbce63a89 208 * @arg @ref LL_IWDG_PRESCALER_16
elmot 1:d0dfbce63a89 209 * @arg @ref LL_IWDG_PRESCALER_32
elmot 1:d0dfbce63a89 210 * @arg @ref LL_IWDG_PRESCALER_64
elmot 1:d0dfbce63a89 211 * @arg @ref LL_IWDG_PRESCALER_128
elmot 1:d0dfbce63a89 212 * @arg @ref LL_IWDG_PRESCALER_256
elmot 1:d0dfbce63a89 213 * @retval None
elmot 1:d0dfbce63a89 214 */
elmot 1:d0dfbce63a89 215 __STATIC_INLINE void LL_IWDG_SetPrescaler(IWDG_TypeDef *IWDGx, uint32_t Prescaler)
elmot 1:d0dfbce63a89 216 {
elmot 1:d0dfbce63a89 217 WRITE_REG(IWDGx->PR, IWDG_PR_PR & Prescaler);
elmot 1:d0dfbce63a89 218 }
elmot 1:d0dfbce63a89 219
elmot 1:d0dfbce63a89 220 /**
elmot 1:d0dfbce63a89 221 * @brief Get the selected prescaler of the IWDG
elmot 1:d0dfbce63a89 222 * @rmtoll PR PR LL_IWDG_GetPrescaler
elmot 1:d0dfbce63a89 223 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 224 * @retval Returned value can be one of the following values:
elmot 1:d0dfbce63a89 225 * @arg @ref LL_IWDG_PRESCALER_4
elmot 1:d0dfbce63a89 226 * @arg @ref LL_IWDG_PRESCALER_8
elmot 1:d0dfbce63a89 227 * @arg @ref LL_IWDG_PRESCALER_16
elmot 1:d0dfbce63a89 228 * @arg @ref LL_IWDG_PRESCALER_32
elmot 1:d0dfbce63a89 229 * @arg @ref LL_IWDG_PRESCALER_64
elmot 1:d0dfbce63a89 230 * @arg @ref LL_IWDG_PRESCALER_128
elmot 1:d0dfbce63a89 231 * @arg @ref LL_IWDG_PRESCALER_256
elmot 1:d0dfbce63a89 232 */
elmot 1:d0dfbce63a89 233 __STATIC_INLINE uint32_t LL_IWDG_GetPrescaler(IWDG_TypeDef *IWDGx)
elmot 1:d0dfbce63a89 234 {
elmot 1:d0dfbce63a89 235 return (uint32_t)(READ_REG(IWDGx->PR));
elmot 1:d0dfbce63a89 236 }
elmot 1:d0dfbce63a89 237
elmot 1:d0dfbce63a89 238 /**
elmot 1:d0dfbce63a89 239 * @brief Specify the IWDG down-counter reload value
elmot 1:d0dfbce63a89 240 * @rmtoll RLR RL LL_IWDG_SetReloadCounter
elmot 1:d0dfbce63a89 241 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 242 * @param Counter Value between Min_Data=0 and Max_Data=0x0FFF
elmot 1:d0dfbce63a89 243 * @retval None
elmot 1:d0dfbce63a89 244 */
elmot 1:d0dfbce63a89 245 __STATIC_INLINE void LL_IWDG_SetReloadCounter(IWDG_TypeDef *IWDGx, uint32_t Counter)
elmot 1:d0dfbce63a89 246 {
elmot 1:d0dfbce63a89 247 WRITE_REG(IWDGx->RLR, IWDG_RLR_RL & Counter);
elmot 1:d0dfbce63a89 248 }
elmot 1:d0dfbce63a89 249
elmot 1:d0dfbce63a89 250 /**
elmot 1:d0dfbce63a89 251 * @brief Get the specified IWDG down-counter reload value
elmot 1:d0dfbce63a89 252 * @rmtoll RLR RL LL_IWDG_GetReloadCounter
elmot 1:d0dfbce63a89 253 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 254 * @retval Value between Min_Data=0 and Max_Data=0x0FFF
elmot 1:d0dfbce63a89 255 */
elmot 1:d0dfbce63a89 256 __STATIC_INLINE uint32_t LL_IWDG_GetReloadCounter(IWDG_TypeDef *IWDGx)
elmot 1:d0dfbce63a89 257 {
elmot 1:d0dfbce63a89 258 return (uint32_t)(READ_REG(IWDGx->RLR));
elmot 1:d0dfbce63a89 259 }
elmot 1:d0dfbce63a89 260
elmot 1:d0dfbce63a89 261 /**
elmot 1:d0dfbce63a89 262 * @brief Specify high limit of the window value to be compared to the down-counter.
elmot 1:d0dfbce63a89 263 * @rmtoll WINR WIN LL_IWDG_SetWindow
elmot 1:d0dfbce63a89 264 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 265 * @param Window Value between Min_Data=0 and Max_Data=0x0FFF
elmot 1:d0dfbce63a89 266 * @retval None
elmot 1:d0dfbce63a89 267 */
elmot 1:d0dfbce63a89 268 __STATIC_INLINE void LL_IWDG_SetWindow(IWDG_TypeDef *IWDGx, uint32_t Window)
elmot 1:d0dfbce63a89 269 {
elmot 1:d0dfbce63a89 270 WRITE_REG(IWDGx->WINR, IWDG_WINR_WIN & Window);
elmot 1:d0dfbce63a89 271 }
elmot 1:d0dfbce63a89 272
elmot 1:d0dfbce63a89 273 /**
elmot 1:d0dfbce63a89 274 * @brief Get the high limit of the window value specified.
elmot 1:d0dfbce63a89 275 * @rmtoll WINR WIN LL_IWDG_GetWindow
elmot 1:d0dfbce63a89 276 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 277 * @retval Value between Min_Data=0 and Max_Data=0x0FFF
elmot 1:d0dfbce63a89 278 */
elmot 1:d0dfbce63a89 279 __STATIC_INLINE uint32_t LL_IWDG_GetWindow(IWDG_TypeDef *IWDGx)
elmot 1:d0dfbce63a89 280 {
elmot 1:d0dfbce63a89 281 return (uint32_t)(READ_REG(IWDGx->WINR));
elmot 1:d0dfbce63a89 282 }
elmot 1:d0dfbce63a89 283
elmot 1:d0dfbce63a89 284 /**
elmot 1:d0dfbce63a89 285 * @}
elmot 1:d0dfbce63a89 286 */
elmot 1:d0dfbce63a89 287
elmot 1:d0dfbce63a89 288 /** @defgroup IWDG_LL_EF_FLAG_Management FLAG_Management
elmot 1:d0dfbce63a89 289 * @{
elmot 1:d0dfbce63a89 290 */
elmot 1:d0dfbce63a89 291
elmot 1:d0dfbce63a89 292 /**
elmot 1:d0dfbce63a89 293 * @brief Check if flag Prescaler Value Update is set or not
elmot 1:d0dfbce63a89 294 * @rmtoll SR PVU LL_IWDG_IsActiveFlag_PVU
elmot 1:d0dfbce63a89 295 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 296 * @retval State of bit (1 or 0).
elmot 1:d0dfbce63a89 297 */
elmot 1:d0dfbce63a89 298 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_PVU(IWDG_TypeDef *IWDGx)
elmot 1:d0dfbce63a89 299 {
elmot 1:d0dfbce63a89 300 return (READ_BIT(IWDGx->SR, IWDG_SR_PVU) == (IWDG_SR_PVU));
elmot 1:d0dfbce63a89 301 }
elmot 1:d0dfbce63a89 302
elmot 1:d0dfbce63a89 303 /**
elmot 1:d0dfbce63a89 304 * @brief Check if flag Reload Value Update is set or not
elmot 1:d0dfbce63a89 305 * @rmtoll SR RVU LL_IWDG_IsActiveFlag_RVU
elmot 1:d0dfbce63a89 306 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 307 * @retval State of bit (1 or 0).
elmot 1:d0dfbce63a89 308 */
elmot 1:d0dfbce63a89 309 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_RVU(IWDG_TypeDef *IWDGx)
elmot 1:d0dfbce63a89 310 {
elmot 1:d0dfbce63a89 311 return (READ_BIT(IWDGx->SR, IWDG_SR_RVU) == (IWDG_SR_RVU));
elmot 1:d0dfbce63a89 312 }
elmot 1:d0dfbce63a89 313
elmot 1:d0dfbce63a89 314 /**
elmot 1:d0dfbce63a89 315 * @brief Check if flag Window Value Update is set or not
elmot 1:d0dfbce63a89 316 * @rmtoll SR WVU LL_IWDG_IsActiveFlag_WVU
elmot 1:d0dfbce63a89 317 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 318 * @retval State of bit (1 or 0).
elmot 1:d0dfbce63a89 319 */
elmot 1:d0dfbce63a89 320 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_WVU(IWDG_TypeDef *IWDGx)
elmot 1:d0dfbce63a89 321 {
elmot 1:d0dfbce63a89 322 return (READ_BIT(IWDGx->SR, IWDG_SR_WVU) == (IWDG_SR_WVU));
elmot 1:d0dfbce63a89 323 }
elmot 1:d0dfbce63a89 324
elmot 1:d0dfbce63a89 325 /**
elmot 1:d0dfbce63a89 326 * @brief Check if all flags Prescaler, Reload & Window Value Update are reset or not
elmot 1:d0dfbce63a89 327 * @rmtoll SR PVU LL_IWDG_IsReady\n
elmot 1:d0dfbce63a89 328 * SR WVU LL_IWDG_IsReady\n
elmot 1:d0dfbce63a89 329 * SR RVU LL_IWDG_IsReady
elmot 1:d0dfbce63a89 330 * @param IWDGx IWDG Instance
elmot 1:d0dfbce63a89 331 * @retval State of bits (1 or 0).
elmot 1:d0dfbce63a89 332 */
elmot 1:d0dfbce63a89 333 __STATIC_INLINE uint32_t LL_IWDG_IsReady(IWDG_TypeDef *IWDGx)
elmot 1:d0dfbce63a89 334 {
elmot 1:d0dfbce63a89 335 return (READ_BIT(IWDGx->SR, IWDG_SR_PVU | IWDG_SR_RVU | IWDG_SR_WVU) == 0U);
elmot 1:d0dfbce63a89 336 }
elmot 1:d0dfbce63a89 337
elmot 1:d0dfbce63a89 338 /**
elmot 1:d0dfbce63a89 339 * @}
elmot 1:d0dfbce63a89 340 */
elmot 1:d0dfbce63a89 341
elmot 1:d0dfbce63a89 342
elmot 1:d0dfbce63a89 343 /**
elmot 1:d0dfbce63a89 344 * @}
elmot 1:d0dfbce63a89 345 */
elmot 1:d0dfbce63a89 346
elmot 1:d0dfbce63a89 347 /**
elmot 1:d0dfbce63a89 348 * @}
elmot 1:d0dfbce63a89 349 */
elmot 1:d0dfbce63a89 350
elmot 1:d0dfbce63a89 351 #endif /* IWDG) */
elmot 1:d0dfbce63a89 352
elmot 1:d0dfbce63a89 353 /**
elmot 1:d0dfbce63a89 354 * @}
elmot 1:d0dfbce63a89 355 */
elmot 1:d0dfbce63a89 356
elmot 1:d0dfbce63a89 357 #ifdef __cplusplus
elmot 1:d0dfbce63a89 358 }
elmot 1:d0dfbce63a89 359 #endif
elmot 1:d0dfbce63a89 360
elmot 1:d0dfbce63a89 361 #endif /* __STM32L4xx_LL_IWDG_H */
elmot 1:d0dfbce63a89 362
elmot 1:d0dfbce63a89 363 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/