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TARGET_NUCLEO_L152RE/TOOLCHAIN_ARM_MICRO/stm32l1xx_ll_iwdg.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 171:3a7713b1edbc 1 /**
AnnaBridge 171:3a7713b1edbc 2 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 3 * @file stm32l1xx_ll_iwdg.h
AnnaBridge 171:3a7713b1edbc 4 * @author MCD Application Team
AnnaBridge 171:3a7713b1edbc 5 * @brief Header file of IWDG LL module.
AnnaBridge 171:3a7713b1edbc 6 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 7 * @attention
AnnaBridge 171:3a7713b1edbc 8 *
AnnaBridge 171:3a7713b1edbc 9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 171:3a7713b1edbc 10 *
AnnaBridge 171:3a7713b1edbc 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 171:3a7713b1edbc 12 * are permitted provided that the following conditions are met:
AnnaBridge 171:3a7713b1edbc 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 171:3a7713b1edbc 14 * this list of conditions and the following disclaimer.
AnnaBridge 171:3a7713b1edbc 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 171:3a7713b1edbc 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 171:3a7713b1edbc 17 * and/or other materials provided with the distribution.
AnnaBridge 171:3a7713b1edbc 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 171:3a7713b1edbc 19 * may be used to endorse or promote products derived from this software
AnnaBridge 171:3a7713b1edbc 20 * without specific prior written permission.
AnnaBridge 171:3a7713b1edbc 21 *
AnnaBridge 171:3a7713b1edbc 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 171:3a7713b1edbc 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 171:3a7713b1edbc 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 171:3a7713b1edbc 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 171:3a7713b1edbc 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 171:3a7713b1edbc 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 171:3a7713b1edbc 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 171:3a7713b1edbc 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 171:3a7713b1edbc 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 171:3a7713b1edbc 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 171:3a7713b1edbc 32 *
AnnaBridge 171:3a7713b1edbc 33 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 34 */
AnnaBridge 171:3a7713b1edbc 35
AnnaBridge 171:3a7713b1edbc 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 171:3a7713b1edbc 37 #ifndef __STM32L1xx_LL_IWDG_H
AnnaBridge 171:3a7713b1edbc 38 #define __STM32L1xx_LL_IWDG_H
AnnaBridge 171:3a7713b1edbc 39
AnnaBridge 171:3a7713b1edbc 40 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 41 extern "C" {
AnnaBridge 171:3a7713b1edbc 42 #endif
AnnaBridge 171:3a7713b1edbc 43
AnnaBridge 171:3a7713b1edbc 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 45 #include "stm32l1xx.h"
AnnaBridge 171:3a7713b1edbc 46
AnnaBridge 171:3a7713b1edbc 47 /** @addtogroup STM32L1xx_LL_Driver
AnnaBridge 171:3a7713b1edbc 48 * @{
AnnaBridge 171:3a7713b1edbc 49 */
AnnaBridge 171:3a7713b1edbc 50
AnnaBridge 171:3a7713b1edbc 51 #if defined(IWDG)
AnnaBridge 171:3a7713b1edbc 52
AnnaBridge 171:3a7713b1edbc 53 /** @defgroup IWDG_LL IWDG
AnnaBridge 171:3a7713b1edbc 54 * @{
AnnaBridge 171:3a7713b1edbc 55 */
AnnaBridge 171:3a7713b1edbc 56
AnnaBridge 171:3a7713b1edbc 57 /* Private types -------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 58 /* Private variables ---------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 59
AnnaBridge 171:3a7713b1edbc 60 /* Private constants ---------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 61 /** @defgroup IWDG_LL_Private_Constants IWDG Private Constants
AnnaBridge 171:3a7713b1edbc 62 * @{
AnnaBridge 171:3a7713b1edbc 63 */
AnnaBridge 171:3a7713b1edbc 64
AnnaBridge 171:3a7713b1edbc 65 #define LL_IWDG_KEY_RELOAD 0x0000AAAAU /*!< IWDG Reload Counter Enable */
AnnaBridge 171:3a7713b1edbc 66 #define LL_IWDG_KEY_ENABLE 0x0000CCCCU /*!< IWDG Peripheral Enable */
AnnaBridge 171:3a7713b1edbc 67 #define LL_IWDG_KEY_WR_ACCESS_ENABLE 0x00005555U /*!< IWDG KR Write Access Enable */
AnnaBridge 171:3a7713b1edbc 68 #define LL_IWDG_KEY_WR_ACCESS_DISABLE 0x00000000U /*!< IWDG KR Write Access Disable */
AnnaBridge 171:3a7713b1edbc 69
AnnaBridge 171:3a7713b1edbc 70 /**
AnnaBridge 171:3a7713b1edbc 71 * @}
AnnaBridge 171:3a7713b1edbc 72 */
AnnaBridge 171:3a7713b1edbc 73
AnnaBridge 171:3a7713b1edbc 74 /* Private macros ------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 75
AnnaBridge 171:3a7713b1edbc 76 /* Exported types ------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 77 /* Exported constants --------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 78 /** @defgroup IWDG_LL_Exported_Constants IWDG Exported Constants
AnnaBridge 171:3a7713b1edbc 79 * @{
AnnaBridge 171:3a7713b1edbc 80 */
AnnaBridge 171:3a7713b1edbc 81
AnnaBridge 171:3a7713b1edbc 82 /** @defgroup IWDG_LL_EC_GET_FLAG Get Flags Defines
AnnaBridge 171:3a7713b1edbc 83 * @brief Flags defines which can be used with LL_IWDG_ReadReg function
AnnaBridge 171:3a7713b1edbc 84 * @{
AnnaBridge 171:3a7713b1edbc 85 */
AnnaBridge 171:3a7713b1edbc 86 #define LL_IWDG_SR_PVU IWDG_SR_PVU /*!< Watchdog prescaler value update */
AnnaBridge 171:3a7713b1edbc 87 #define LL_IWDG_SR_RVU IWDG_SR_RVU /*!< Watchdog counter reload value update */
AnnaBridge 171:3a7713b1edbc 88
AnnaBridge 171:3a7713b1edbc 89 /**
AnnaBridge 171:3a7713b1edbc 90 * @}
AnnaBridge 171:3a7713b1edbc 91 */
AnnaBridge 171:3a7713b1edbc 92
AnnaBridge 171:3a7713b1edbc 93 /** @defgroup IWDG_LL_EC_PRESCALER Prescaler Divider
AnnaBridge 171:3a7713b1edbc 94 * @{
AnnaBridge 171:3a7713b1edbc 95 */
AnnaBridge 171:3a7713b1edbc 96 #define LL_IWDG_PRESCALER_4 0x00000000U /*!< Divider by 4 */
AnnaBridge 171:3a7713b1edbc 97 #define LL_IWDG_PRESCALER_8 (IWDG_PR_PR_0) /*!< Divider by 8 */
AnnaBridge 171:3a7713b1edbc 98 #define LL_IWDG_PRESCALER_16 (IWDG_PR_PR_1) /*!< Divider by 16 */
AnnaBridge 171:3a7713b1edbc 99 #define LL_IWDG_PRESCALER_32 (IWDG_PR_PR_1 | IWDG_PR_PR_0) /*!< Divider by 32 */
AnnaBridge 171:3a7713b1edbc 100 #define LL_IWDG_PRESCALER_64 (IWDG_PR_PR_2) /*!< Divider by 64 */
AnnaBridge 171:3a7713b1edbc 101 #define LL_IWDG_PRESCALER_128 (IWDG_PR_PR_2 | IWDG_PR_PR_0) /*!< Divider by 128 */
AnnaBridge 171:3a7713b1edbc 102 #define LL_IWDG_PRESCALER_256 (IWDG_PR_PR_2 | IWDG_PR_PR_1) /*!< Divider by 256 */
AnnaBridge 171:3a7713b1edbc 103 /**
AnnaBridge 171:3a7713b1edbc 104 * @}
AnnaBridge 171:3a7713b1edbc 105 */
AnnaBridge 171:3a7713b1edbc 106
AnnaBridge 171:3a7713b1edbc 107 /**
AnnaBridge 171:3a7713b1edbc 108 * @}
AnnaBridge 171:3a7713b1edbc 109 */
AnnaBridge 171:3a7713b1edbc 110
AnnaBridge 171:3a7713b1edbc 111 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 112 /** @defgroup IWDG_LL_Exported_Macros IWDG Exported Macros
AnnaBridge 171:3a7713b1edbc 113 * @{
AnnaBridge 171:3a7713b1edbc 114 */
AnnaBridge 171:3a7713b1edbc 115
AnnaBridge 171:3a7713b1edbc 116 /** @defgroup IWDG_LL_EM_WRITE_READ Common Write and read registers Macros
AnnaBridge 171:3a7713b1edbc 117 * @{
AnnaBridge 171:3a7713b1edbc 118 */
AnnaBridge 171:3a7713b1edbc 119
AnnaBridge 171:3a7713b1edbc 120 /**
AnnaBridge 171:3a7713b1edbc 121 * @brief Write a value in IWDG register
AnnaBridge 171:3a7713b1edbc 122 * @param __INSTANCE__ IWDG Instance
AnnaBridge 171:3a7713b1edbc 123 * @param __REG__ Register to be written
AnnaBridge 171:3a7713b1edbc 124 * @param __VALUE__ Value to be written in the register
AnnaBridge 171:3a7713b1edbc 125 * @retval None
AnnaBridge 171:3a7713b1edbc 126 */
AnnaBridge 171:3a7713b1edbc 127 #define LL_IWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
AnnaBridge 171:3a7713b1edbc 128
AnnaBridge 171:3a7713b1edbc 129 /**
AnnaBridge 171:3a7713b1edbc 130 * @brief Read a value in IWDG register
AnnaBridge 171:3a7713b1edbc 131 * @param __INSTANCE__ IWDG Instance
AnnaBridge 171:3a7713b1edbc 132 * @param __REG__ Register to be read
AnnaBridge 171:3a7713b1edbc 133 * @retval Register value
AnnaBridge 171:3a7713b1edbc 134 */
AnnaBridge 171:3a7713b1edbc 135 #define LL_IWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
AnnaBridge 171:3a7713b1edbc 136 /**
AnnaBridge 171:3a7713b1edbc 137 * @}
AnnaBridge 171:3a7713b1edbc 138 */
AnnaBridge 171:3a7713b1edbc 139
AnnaBridge 171:3a7713b1edbc 140 /**
AnnaBridge 171:3a7713b1edbc 141 * @}
AnnaBridge 171:3a7713b1edbc 142 */
AnnaBridge 171:3a7713b1edbc 143
AnnaBridge 171:3a7713b1edbc 144
AnnaBridge 171:3a7713b1edbc 145 /* Exported functions --------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 146 /** @defgroup IWDG_LL_Exported_Functions IWDG Exported Functions
AnnaBridge 171:3a7713b1edbc 147 * @{
AnnaBridge 171:3a7713b1edbc 148 */
AnnaBridge 171:3a7713b1edbc 149 /** @defgroup IWDG_LL_EF_Configuration Configuration
AnnaBridge 171:3a7713b1edbc 150 * @{
AnnaBridge 171:3a7713b1edbc 151 */
AnnaBridge 171:3a7713b1edbc 152
AnnaBridge 171:3a7713b1edbc 153 /**
AnnaBridge 171:3a7713b1edbc 154 * @brief Start the Independent Watchdog
AnnaBridge 171:3a7713b1edbc 155 * @note Except if the hardware watchdog option is selected
AnnaBridge 171:3a7713b1edbc 156 * @rmtoll KR KEY LL_IWDG_Enable
AnnaBridge 171:3a7713b1edbc 157 * @param IWDGx IWDG Instance
AnnaBridge 171:3a7713b1edbc 158 * @retval None
AnnaBridge 171:3a7713b1edbc 159 */
AnnaBridge 171:3a7713b1edbc 160 __STATIC_INLINE void LL_IWDG_Enable(IWDG_TypeDef *IWDGx)
AnnaBridge 171:3a7713b1edbc 161 {
AnnaBridge 171:3a7713b1edbc 162 WRITE_REG(IWDG->KR, LL_IWDG_KEY_ENABLE);
AnnaBridge 171:3a7713b1edbc 163 }
AnnaBridge 171:3a7713b1edbc 164
AnnaBridge 171:3a7713b1edbc 165 /**
AnnaBridge 171:3a7713b1edbc 166 * @brief Reloads IWDG counter with value defined in the reload register
AnnaBridge 171:3a7713b1edbc 167 * @rmtoll KR KEY LL_IWDG_ReloadCounter
AnnaBridge 171:3a7713b1edbc 168 * @param IWDGx IWDG Instance
AnnaBridge 171:3a7713b1edbc 169 * @retval None
AnnaBridge 171:3a7713b1edbc 170 */
AnnaBridge 171:3a7713b1edbc 171 __STATIC_INLINE void LL_IWDG_ReloadCounter(IWDG_TypeDef *IWDGx)
AnnaBridge 171:3a7713b1edbc 172 {
AnnaBridge 171:3a7713b1edbc 173 WRITE_REG(IWDG->KR, LL_IWDG_KEY_RELOAD);
AnnaBridge 171:3a7713b1edbc 174 }
AnnaBridge 171:3a7713b1edbc 175
AnnaBridge 171:3a7713b1edbc 176 /**
AnnaBridge 171:3a7713b1edbc 177 * @brief Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
AnnaBridge 171:3a7713b1edbc 178 * @rmtoll KR KEY LL_IWDG_EnableWriteAccess
AnnaBridge 171:3a7713b1edbc 179 * @param IWDGx IWDG Instance
AnnaBridge 171:3a7713b1edbc 180 * @retval None
AnnaBridge 171:3a7713b1edbc 181 */
AnnaBridge 171:3a7713b1edbc 182 __STATIC_INLINE void LL_IWDG_EnableWriteAccess(IWDG_TypeDef *IWDGx)
AnnaBridge 171:3a7713b1edbc 183 {
AnnaBridge 171:3a7713b1edbc 184 WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE);
AnnaBridge 171:3a7713b1edbc 185 }
AnnaBridge 171:3a7713b1edbc 186
AnnaBridge 171:3a7713b1edbc 187 /**
AnnaBridge 171:3a7713b1edbc 188 * @brief Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
AnnaBridge 171:3a7713b1edbc 189 * @rmtoll KR KEY LL_IWDG_DisableWriteAccess
AnnaBridge 171:3a7713b1edbc 190 * @param IWDGx IWDG Instance
AnnaBridge 171:3a7713b1edbc 191 * @retval None
AnnaBridge 171:3a7713b1edbc 192 */
AnnaBridge 171:3a7713b1edbc 193 __STATIC_INLINE void LL_IWDG_DisableWriteAccess(IWDG_TypeDef *IWDGx)
AnnaBridge 171:3a7713b1edbc 194 {
AnnaBridge 171:3a7713b1edbc 195 WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE);
AnnaBridge 171:3a7713b1edbc 196 }
AnnaBridge 171:3a7713b1edbc 197
AnnaBridge 171:3a7713b1edbc 198 /**
AnnaBridge 171:3a7713b1edbc 199 * @brief Select the prescaler of the IWDG
AnnaBridge 171:3a7713b1edbc 200 * @rmtoll PR PR LL_IWDG_SetPrescaler
AnnaBridge 171:3a7713b1edbc 201 * @param IWDGx IWDG Instance
AnnaBridge 171:3a7713b1edbc 202 * @param Prescaler This parameter can be one of the following values:
AnnaBridge 171:3a7713b1edbc 203 * @arg @ref LL_IWDG_PRESCALER_4
AnnaBridge 171:3a7713b1edbc 204 * @arg @ref LL_IWDG_PRESCALER_8
AnnaBridge 171:3a7713b1edbc 205 * @arg @ref LL_IWDG_PRESCALER_16
AnnaBridge 171:3a7713b1edbc 206 * @arg @ref LL_IWDG_PRESCALER_32
AnnaBridge 171:3a7713b1edbc 207 * @arg @ref LL_IWDG_PRESCALER_64
AnnaBridge 171:3a7713b1edbc 208 * @arg @ref LL_IWDG_PRESCALER_128
AnnaBridge 171:3a7713b1edbc 209 * @arg @ref LL_IWDG_PRESCALER_256
AnnaBridge 171:3a7713b1edbc 210 * @retval None
AnnaBridge 171:3a7713b1edbc 211 */
AnnaBridge 171:3a7713b1edbc 212 __STATIC_INLINE void LL_IWDG_SetPrescaler(IWDG_TypeDef *IWDGx, uint32_t Prescaler)
AnnaBridge 171:3a7713b1edbc 213 {
AnnaBridge 171:3a7713b1edbc 214 WRITE_REG(IWDGx->PR, IWDG_PR_PR & Prescaler);
AnnaBridge 171:3a7713b1edbc 215 }
AnnaBridge 171:3a7713b1edbc 216
AnnaBridge 171:3a7713b1edbc 217 /**
AnnaBridge 171:3a7713b1edbc 218 * @brief Get the selected prescaler of the IWDG
AnnaBridge 171:3a7713b1edbc 219 * @rmtoll PR PR LL_IWDG_GetPrescaler
AnnaBridge 171:3a7713b1edbc 220 * @param IWDGx IWDG Instance
AnnaBridge 171:3a7713b1edbc 221 * @retval Returned value can be one of the following values:
AnnaBridge 171:3a7713b1edbc 222 * @arg @ref LL_IWDG_PRESCALER_4
AnnaBridge 171:3a7713b1edbc 223 * @arg @ref LL_IWDG_PRESCALER_8
AnnaBridge 171:3a7713b1edbc 224 * @arg @ref LL_IWDG_PRESCALER_16
AnnaBridge 171:3a7713b1edbc 225 * @arg @ref LL_IWDG_PRESCALER_32
AnnaBridge 171:3a7713b1edbc 226 * @arg @ref LL_IWDG_PRESCALER_64
AnnaBridge 171:3a7713b1edbc 227 * @arg @ref LL_IWDG_PRESCALER_128
AnnaBridge 171:3a7713b1edbc 228 * @arg @ref LL_IWDG_PRESCALER_256
AnnaBridge 171:3a7713b1edbc 229 */
AnnaBridge 171:3a7713b1edbc 230 __STATIC_INLINE uint32_t LL_IWDG_GetPrescaler(IWDG_TypeDef *IWDGx)
AnnaBridge 171:3a7713b1edbc 231 {
AnnaBridge 171:3a7713b1edbc 232 return (uint32_t)(READ_REG(IWDGx->PR));
AnnaBridge 171:3a7713b1edbc 233 }
AnnaBridge 171:3a7713b1edbc 234
AnnaBridge 171:3a7713b1edbc 235 /**
AnnaBridge 171:3a7713b1edbc 236 * @brief Specify the IWDG down-counter reload value
AnnaBridge 171:3a7713b1edbc 237 * @rmtoll RLR RL LL_IWDG_SetReloadCounter
AnnaBridge 171:3a7713b1edbc 238 * @param IWDGx IWDG Instance
AnnaBridge 171:3a7713b1edbc 239 * @param Counter Value between Min_Data=0 and Max_Data=0x0FFF
AnnaBridge 171:3a7713b1edbc 240 * @retval None
AnnaBridge 171:3a7713b1edbc 241 */
AnnaBridge 171:3a7713b1edbc 242 __STATIC_INLINE void LL_IWDG_SetReloadCounter(IWDG_TypeDef *IWDGx, uint32_t Counter)
AnnaBridge 171:3a7713b1edbc 243 {
AnnaBridge 171:3a7713b1edbc 244 WRITE_REG(IWDGx->RLR, IWDG_RLR_RL & Counter);
AnnaBridge 171:3a7713b1edbc 245 }
AnnaBridge 171:3a7713b1edbc 246
AnnaBridge 171:3a7713b1edbc 247 /**
AnnaBridge 171:3a7713b1edbc 248 * @brief Get the specified IWDG down-counter reload value
AnnaBridge 171:3a7713b1edbc 249 * @rmtoll RLR RL LL_IWDG_GetReloadCounter
AnnaBridge 171:3a7713b1edbc 250 * @param IWDGx IWDG Instance
AnnaBridge 171:3a7713b1edbc 251 * @retval Value between Min_Data=0 and Max_Data=0x0FFF
AnnaBridge 171:3a7713b1edbc 252 */
AnnaBridge 171:3a7713b1edbc 253 __STATIC_INLINE uint32_t LL_IWDG_GetReloadCounter(IWDG_TypeDef *IWDGx)
AnnaBridge 171:3a7713b1edbc 254 {
AnnaBridge 171:3a7713b1edbc 255 return (uint32_t)(READ_REG(IWDGx->RLR));
AnnaBridge 171:3a7713b1edbc 256 }
AnnaBridge 171:3a7713b1edbc 257
AnnaBridge 171:3a7713b1edbc 258
AnnaBridge 171:3a7713b1edbc 259 /**
AnnaBridge 171:3a7713b1edbc 260 * @}
AnnaBridge 171:3a7713b1edbc 261 */
AnnaBridge 171:3a7713b1edbc 262
AnnaBridge 171:3a7713b1edbc 263 /** @defgroup IWDG_LL_EF_FLAG_Management FLAG_Management
AnnaBridge 171:3a7713b1edbc 264 * @{
AnnaBridge 171:3a7713b1edbc 265 */
AnnaBridge 171:3a7713b1edbc 266
AnnaBridge 171:3a7713b1edbc 267 /**
AnnaBridge 171:3a7713b1edbc 268 * @brief Check if flag Prescaler Value Update is set or not
AnnaBridge 171:3a7713b1edbc 269 * @rmtoll SR PVU LL_IWDG_IsActiveFlag_PVU
AnnaBridge 171:3a7713b1edbc 270 * @param IWDGx IWDG Instance
AnnaBridge 171:3a7713b1edbc 271 * @retval State of bit (1 or 0).
AnnaBridge 171:3a7713b1edbc 272 */
AnnaBridge 171:3a7713b1edbc 273 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_PVU(IWDG_TypeDef *IWDGx)
AnnaBridge 171:3a7713b1edbc 274 {
AnnaBridge 171:3a7713b1edbc 275 return (READ_BIT(IWDGx->SR, IWDG_SR_PVU) == (IWDG_SR_PVU));
AnnaBridge 171:3a7713b1edbc 276 }
AnnaBridge 171:3a7713b1edbc 277
AnnaBridge 171:3a7713b1edbc 278 /**
AnnaBridge 171:3a7713b1edbc 279 * @brief Check if flag Reload Value Update is set or not
AnnaBridge 171:3a7713b1edbc 280 * @rmtoll SR RVU LL_IWDG_IsActiveFlag_RVU
AnnaBridge 171:3a7713b1edbc 281 * @param IWDGx IWDG Instance
AnnaBridge 171:3a7713b1edbc 282 * @retval State of bit (1 or 0).
AnnaBridge 171:3a7713b1edbc 283 */
AnnaBridge 171:3a7713b1edbc 284 __STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_RVU(IWDG_TypeDef *IWDGx)
AnnaBridge 171:3a7713b1edbc 285 {
AnnaBridge 171:3a7713b1edbc 286 return (READ_BIT(IWDGx->SR, IWDG_SR_RVU) == (IWDG_SR_RVU));
AnnaBridge 171:3a7713b1edbc 287 }
AnnaBridge 171:3a7713b1edbc 288
AnnaBridge 171:3a7713b1edbc 289
AnnaBridge 171:3a7713b1edbc 290 /**
AnnaBridge 171:3a7713b1edbc 291 * @brief Check if all flags Prescaler, Reload & Window Value Update are reset or not
AnnaBridge 171:3a7713b1edbc 292 * @rmtoll SR PVU LL_IWDG_IsReady\n
AnnaBridge 171:3a7713b1edbc 293 * SR RVU LL_IWDG_IsReady
AnnaBridge 171:3a7713b1edbc 294 * @param IWDGx IWDG Instance
AnnaBridge 171:3a7713b1edbc 295 * @retval State of bits (1 or 0).
AnnaBridge 171:3a7713b1edbc 296 */
AnnaBridge 171:3a7713b1edbc 297 __STATIC_INLINE uint32_t LL_IWDG_IsReady(IWDG_TypeDef *IWDGx)
AnnaBridge 171:3a7713b1edbc 298 {
AnnaBridge 171:3a7713b1edbc 299 return (READ_BIT(IWDGx->SR, IWDG_SR_PVU | IWDG_SR_RVU) == 0U);
AnnaBridge 171:3a7713b1edbc 300 }
AnnaBridge 171:3a7713b1edbc 301
AnnaBridge 171:3a7713b1edbc 302 /**
AnnaBridge 171:3a7713b1edbc 303 * @}
AnnaBridge 171:3a7713b1edbc 304 */
AnnaBridge 171:3a7713b1edbc 305
AnnaBridge 171:3a7713b1edbc 306
AnnaBridge 171:3a7713b1edbc 307 /**
AnnaBridge 171:3a7713b1edbc 308 * @}
AnnaBridge 171:3a7713b1edbc 309 */
AnnaBridge 171:3a7713b1edbc 310
AnnaBridge 171:3a7713b1edbc 311 /**
AnnaBridge 171:3a7713b1edbc 312 * @}
AnnaBridge 171:3a7713b1edbc 313 */
AnnaBridge 171:3a7713b1edbc 314
AnnaBridge 171:3a7713b1edbc 315 #endif /* IWDG) */
AnnaBridge 171:3a7713b1edbc 316
AnnaBridge 171:3a7713b1edbc 317 /**
AnnaBridge 171:3a7713b1edbc 318 * @}
AnnaBridge 171:3a7713b1edbc 319 */
AnnaBridge 171:3a7713b1edbc 320
AnnaBridge 171:3a7713b1edbc 321 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 322 }
AnnaBridge 171:3a7713b1edbc 323 #endif
AnnaBridge 171:3a7713b1edbc 324
AnnaBridge 171:3a7713b1edbc 325 #endif /* __STM32L1xx_LL_IWDG_H */
AnnaBridge 171:3a7713b1edbc 326
AnnaBridge 171:3a7713b1edbc 327 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/