mbed official / mbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NUCLEO_L496ZG_P/TOOLCHAIN_IAR/stm32l4xx_ll_wwdg.h@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
Parent:
TARGET_DISCO_L475VG_IOT01A/TARGET_STM/TARGET_STM32L4/device/stm32l4xx_ll_wwdg.h@161:aa5281ff4a02 
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 145:64910690c574 1 /**
AnnaBridge 145:64910690c574 2 ******************************************************************************
AnnaBridge 145:64910690c574 3 * @file stm32l4xx_ll_wwdg.h
AnnaBridge 145:64910690c574 4 * @author MCD Application Team
AnnaBridge 145:64910690c574 5 * @brief Header file of WWDG LL module.
AnnaBridge 145:64910690c574 6 ******************************************************************************
AnnaBridge 145:64910690c574 7 * @attention
AnnaBridge 145:64910690c574 8 *
AnnaBridge 145:64910690c574 9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 145:64910690c574 10 *
AnnaBridge 145:64910690c574 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 145:64910690c574 12 * are permitted provided that the following conditions are met:
AnnaBridge 145:64910690c574 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 145:64910690c574 14 * this list of conditions and the following disclaimer.
AnnaBridge 145:64910690c574 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 145:64910690c574 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 145:64910690c574 17 * and/or other materials provided with the distribution.
AnnaBridge 145:64910690c574 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 145:64910690c574 19 * may be used to endorse or promote products derived from this software
AnnaBridge 145:64910690c574 20 * without specific prior written permission.
AnnaBridge 145:64910690c574 21 *
AnnaBridge 145:64910690c574 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 145:64910690c574 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 145:64910690c574 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 145:64910690c574 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 145:64910690c574 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 145:64910690c574 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 145:64910690c574 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 145:64910690c574 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 145:64910690c574 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 145:64910690c574 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 145:64910690c574 32 *
AnnaBridge 145:64910690c574 33 ******************************************************************************
AnnaBridge 145:64910690c574 34 */
AnnaBridge 145:64910690c574 35
AnnaBridge 145:64910690c574 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 145:64910690c574 37 #ifndef __STM32L4xx_LL_WWDG_H
AnnaBridge 145:64910690c574 38 #define __STM32L4xx_LL_WWDG_H
AnnaBridge 145:64910690c574 39
AnnaBridge 145:64910690c574 40 #ifdef __cplusplus
AnnaBridge 145:64910690c574 41 extern "C" {
AnnaBridge 145:64910690c574 42 #endif
AnnaBridge 145:64910690c574 43
AnnaBridge 145:64910690c574 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 145:64910690c574 45 #include "stm32l4xx.h"
AnnaBridge 145:64910690c574 46
AnnaBridge 145:64910690c574 47 /** @addtogroup STM32L4xx_LL_Driver
AnnaBridge 145:64910690c574 48 * @{
AnnaBridge 145:64910690c574 49 */
AnnaBridge 145:64910690c574 50
AnnaBridge 145:64910690c574 51 #if defined (WWDG)
AnnaBridge 145:64910690c574 52
AnnaBridge 145:64910690c574 53 /** @defgroup WWDG_LL WWDG
AnnaBridge 145:64910690c574 54 * @{
AnnaBridge 145:64910690c574 55 */
AnnaBridge 145:64910690c574 56
AnnaBridge 145:64910690c574 57 /* Private types -------------------------------------------------------------*/
AnnaBridge 145:64910690c574 58 /* Private variables ---------------------------------------------------------*/
AnnaBridge 145:64910690c574 59
AnnaBridge 145:64910690c574 60 /* Private constants ---------------------------------------------------------*/
AnnaBridge 145:64910690c574 61
AnnaBridge 145:64910690c574 62 /* Private macros ------------------------------------------------------------*/
AnnaBridge 145:64910690c574 63
AnnaBridge 145:64910690c574 64 /* Exported types ------------------------------------------------------------*/
AnnaBridge 145:64910690c574 65 /* Exported constants --------------------------------------------------------*/
AnnaBridge 145:64910690c574 66 /** @defgroup WWDG_LL_Exported_Constants WWDG Exported Constants
AnnaBridge 145:64910690c574 67 * @{
AnnaBridge 145:64910690c574 68 */
AnnaBridge 145:64910690c574 69
AnnaBridge 145:64910690c574 70
AnnaBridge 145:64910690c574 71 /** @defgroup WWDG_LL_EC_IT IT Defines
AnnaBridge 145:64910690c574 72 * @brief IT defines which can be used with LL_WWDG_ReadReg and LL_WWDG_WriteReg functions
AnnaBridge 145:64910690c574 73 * @{
AnnaBridge 145:64910690c574 74 */
AnnaBridge 145:64910690c574 75 #define LL_WWDG_CFR_EWI WWDG_CFR_EWI
AnnaBridge 145:64910690c574 76 /**
AnnaBridge 145:64910690c574 77 * @}
AnnaBridge 145:64910690c574 78 */
AnnaBridge 145:64910690c574 79
AnnaBridge 145:64910690c574 80 /** @defgroup WWDG_LL_EC_PRESCALER PRESCALER
AnnaBridge 145:64910690c574 81 * @{
AnnaBridge 145:64910690c574 82 */
AnnaBridge 145:64910690c574 83 #define LL_WWDG_PRESCALER_1 0x00000000U /*!< WWDG counter clock = (PCLK1/4096)/1 */
AnnaBridge 145:64910690c574 84 #define LL_WWDG_PRESCALER_2 WWDG_CFR_WDGTB_0 /*!< WWDG counter clock = (PCLK1/4096)/2 */
AnnaBridge 145:64910690c574 85 #define LL_WWDG_PRESCALER_4 WWDG_CFR_WDGTB_1 /*!< WWDG counter clock = (PCLK1/4096)/4 */
AnnaBridge 145:64910690c574 86 #define LL_WWDG_PRESCALER_8 (WWDG_CFR_WDGTB_0 | WWDG_CFR_WDGTB_1) /*!< WWDG counter clock = (PCLK1/4096)/8 */
AnnaBridge 145:64910690c574 87 /**
AnnaBridge 145:64910690c574 88 * @}
AnnaBridge 145:64910690c574 89 */
AnnaBridge 145:64910690c574 90
AnnaBridge 145:64910690c574 91 /**
AnnaBridge 145:64910690c574 92 * @}
AnnaBridge 145:64910690c574 93 */
AnnaBridge 145:64910690c574 94
AnnaBridge 145:64910690c574 95 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 145:64910690c574 96 /** @defgroup WWDG_LL_Exported_Macros WWDG Exported Macros
AnnaBridge 145:64910690c574 97 * @{
AnnaBridge 145:64910690c574 98 */
AnnaBridge 145:64910690c574 99 /** @defgroup WWDG_LL_EM_WRITE_READ Common Write and read registers macros
AnnaBridge 145:64910690c574 100 * @{
AnnaBridge 145:64910690c574 101 */
AnnaBridge 145:64910690c574 102 /**
AnnaBridge 145:64910690c574 103 * @brief Write a value in WWDG register
AnnaBridge 145:64910690c574 104 * @param __INSTANCE__ WWDG Instance
AnnaBridge 145:64910690c574 105 * @param __REG__ Register to be written
AnnaBridge 145:64910690c574 106 * @param __VALUE__ Value to be written in the register
AnnaBridge 145:64910690c574 107 * @retval None
AnnaBridge 145:64910690c574 108 */
AnnaBridge 145:64910690c574 109 #define LL_WWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
AnnaBridge 145:64910690c574 110
AnnaBridge 145:64910690c574 111 /**
AnnaBridge 145:64910690c574 112 * @brief Read a value in WWDG register
AnnaBridge 145:64910690c574 113 * @param __INSTANCE__ WWDG Instance
AnnaBridge 145:64910690c574 114 * @param __REG__ Register to be read
AnnaBridge 145:64910690c574 115 * @retval Register value
AnnaBridge 145:64910690c574 116 */
AnnaBridge 145:64910690c574 117 #define LL_WWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
AnnaBridge 145:64910690c574 118 /**
AnnaBridge 145:64910690c574 119 * @}
AnnaBridge 145:64910690c574 120 */
AnnaBridge 145:64910690c574 121
AnnaBridge 145:64910690c574 122
AnnaBridge 145:64910690c574 123 /**
AnnaBridge 145:64910690c574 124 * @}
AnnaBridge 145:64910690c574 125 */
AnnaBridge 145:64910690c574 126
AnnaBridge 145:64910690c574 127 /* Exported functions --------------------------------------------------------*/
AnnaBridge 145:64910690c574 128 /** @defgroup WWDG_LL_Exported_Functions WWDG Exported Functions
AnnaBridge 145:64910690c574 129 * @{
AnnaBridge 145:64910690c574 130 */
AnnaBridge 145:64910690c574 131
AnnaBridge 145:64910690c574 132 /** @defgroup WWDG_LL_EF_Configuration Configuration
AnnaBridge 145:64910690c574 133 * @{
AnnaBridge 145:64910690c574 134 */
AnnaBridge 145:64910690c574 135 /**
AnnaBridge 145:64910690c574 136 * @brief Enable Window Watchdog. The watchdog is always disabled after a reset.
AnnaBridge 145:64910690c574 137 * @note It is enabled by setting the WDGA bit in the WWDG_CR register,
AnnaBridge 145:64910690c574 138 * then it cannot be disabled again except by a reset.
AnnaBridge 145:64910690c574 139 * This bit is set by software and only cleared by hardware after a reset.
AnnaBridge 145:64910690c574 140 * When WDGA = 1, the watchdog can generate a reset.
AnnaBridge 145:64910690c574 141 * @rmtoll CR WDGA LL_WWDG_Enable
AnnaBridge 145:64910690c574 142 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 143 * @retval None
AnnaBridge 145:64910690c574 144 */
AnnaBridge 145:64910690c574 145 __STATIC_INLINE void LL_WWDG_Enable(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 146 {
AnnaBridge 145:64910690c574 147 SET_BIT(WWDGx->CR, WWDG_CR_WDGA);
AnnaBridge 145:64910690c574 148 }
AnnaBridge 145:64910690c574 149
AnnaBridge 145:64910690c574 150 /**
AnnaBridge 145:64910690c574 151 * @brief Checks if Window Watchdog is enabled
AnnaBridge 145:64910690c574 152 * @rmtoll CR WDGA LL_WWDG_IsEnabled
AnnaBridge 145:64910690c574 153 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 154 * @retval State of bit (1 or 0).
AnnaBridge 145:64910690c574 155 */
AnnaBridge 145:64910690c574 156 __STATIC_INLINE uint32_t LL_WWDG_IsEnabled(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 157 {
AnnaBridge 145:64910690c574 158 return (READ_BIT(WWDGx->CR, WWDG_CR_WDGA) == (WWDG_CR_WDGA));
AnnaBridge 145:64910690c574 159 }
AnnaBridge 145:64910690c574 160
AnnaBridge 145:64910690c574 161 /**
AnnaBridge 145:64910690c574 162 * @brief Set the Watchdog counter value to provided value (7-bits T[6:0])
AnnaBridge 145:64910690c574 163 * @note When writing to the WWDG_CR register, always write 1 in the MSB b6 to avoid generating an immediate reset
AnnaBridge 145:64910690c574 164 * This counter is decremented every (4096 x 2expWDGTB) PCLK cycles
AnnaBridge 145:64910690c574 165 * A reset is produced when it rolls over from 0x40 to 0x3F (bit T6 becomes cleared)
AnnaBridge 145:64910690c574 166 * Setting the counter lower then 0x40 causes an immediate reset (if WWDG enabled)
AnnaBridge 145:64910690c574 167 * @rmtoll CR T LL_WWDG_SetCounter
AnnaBridge 145:64910690c574 168 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 169 * @param Counter 0..0x7F (7 bit counter value)
AnnaBridge 145:64910690c574 170 * @retval None
AnnaBridge 145:64910690c574 171 */
AnnaBridge 145:64910690c574 172 __STATIC_INLINE void LL_WWDG_SetCounter(WWDG_TypeDef *WWDGx, uint32_t Counter)
AnnaBridge 145:64910690c574 173 {
AnnaBridge 145:64910690c574 174 MODIFY_REG(WWDGx->CR, WWDG_CR_T, Counter);
AnnaBridge 145:64910690c574 175 }
AnnaBridge 145:64910690c574 176
AnnaBridge 145:64910690c574 177 /**
AnnaBridge 145:64910690c574 178 * @brief Return current Watchdog Counter Value (7 bits counter value)
AnnaBridge 145:64910690c574 179 * @rmtoll CR T LL_WWDG_GetCounter
AnnaBridge 145:64910690c574 180 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 181 * @retval 7 bit Watchdog Counter value
AnnaBridge 145:64910690c574 182 */
AnnaBridge 145:64910690c574 183 __STATIC_INLINE uint32_t LL_WWDG_GetCounter(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 184 {
AnnaBridge 145:64910690c574 185 return (uint32_t)(READ_BIT(WWDGx->CR, WWDG_CR_T));
AnnaBridge 145:64910690c574 186 }
AnnaBridge 145:64910690c574 187
AnnaBridge 145:64910690c574 188 /**
AnnaBridge 145:64910690c574 189 * @brief Set the time base of the prescaler (WDGTB).
AnnaBridge 145:64910690c574 190 * @note Prescaler is used to apply ratio on PCLK clock, so that Watchdog counter
AnnaBridge 145:64910690c574 191 * is decremented every (4096 x 2expWDGTB) PCLK cycles
AnnaBridge 145:64910690c574 192 * @rmtoll CFR WDGTB LL_WWDG_SetPrescaler
AnnaBridge 145:64910690c574 193 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 194 * @param Prescaler This parameter can be one of the following values:
AnnaBridge 145:64910690c574 195 * @arg @ref LL_WWDG_PRESCALER_1
AnnaBridge 145:64910690c574 196 * @arg @ref LL_WWDG_PRESCALER_2
AnnaBridge 145:64910690c574 197 * @arg @ref LL_WWDG_PRESCALER_4
AnnaBridge 145:64910690c574 198 * @arg @ref LL_WWDG_PRESCALER_8
AnnaBridge 145:64910690c574 199 * @retval None
AnnaBridge 145:64910690c574 200 */
AnnaBridge 145:64910690c574 201 __STATIC_INLINE void LL_WWDG_SetPrescaler(WWDG_TypeDef *WWDGx, uint32_t Prescaler)
AnnaBridge 145:64910690c574 202 {
AnnaBridge 145:64910690c574 203 MODIFY_REG(WWDGx->CFR, WWDG_CFR_WDGTB, Prescaler);
AnnaBridge 145:64910690c574 204 }
AnnaBridge 145:64910690c574 205
AnnaBridge 145:64910690c574 206 /**
AnnaBridge 145:64910690c574 207 * @brief Return current Watchdog Prescaler Value
AnnaBridge 145:64910690c574 208 * @rmtoll CFR WDGTB LL_WWDG_GetPrescaler
AnnaBridge 145:64910690c574 209 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 210 * @retval Returned value can be one of the following values:
AnnaBridge 145:64910690c574 211 * @arg @ref LL_WWDG_PRESCALER_1
AnnaBridge 145:64910690c574 212 * @arg @ref LL_WWDG_PRESCALER_2
AnnaBridge 145:64910690c574 213 * @arg @ref LL_WWDG_PRESCALER_4
AnnaBridge 145:64910690c574 214 * @arg @ref LL_WWDG_PRESCALER_8
AnnaBridge 145:64910690c574 215 */
AnnaBridge 145:64910690c574 216 __STATIC_INLINE uint32_t LL_WWDG_GetPrescaler(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 217 {
AnnaBridge 145:64910690c574 218 return (uint32_t)(READ_BIT(WWDGx->CFR, WWDG_CFR_WDGTB));
AnnaBridge 145:64910690c574 219 }
AnnaBridge 145:64910690c574 220
AnnaBridge 145:64910690c574 221 /**
AnnaBridge 145:64910690c574 222 * @brief Set the Watchdog Window value to be compared to the downcounter (7-bits W[6:0]).
AnnaBridge 145:64910690c574 223 * @note This window value defines when write in the WWDG_CR register
AnnaBridge 145:64910690c574 224 * to program Watchdog counter is allowed.
AnnaBridge 145:64910690c574 225 * Watchdog counter value update must occur only when the counter value
AnnaBridge 145:64910690c574 226 * is lower than the Watchdog window register value.
AnnaBridge 145:64910690c574 227 * Otherwise, a MCU reset is generated if the 7-bit Watchdog counter value
AnnaBridge 145:64910690c574 228 * (in the control register) is refreshed before the downcounter has reached
AnnaBridge 145:64910690c574 229 * the watchdog window register value.
AnnaBridge 145:64910690c574 230 * Physically is possible to set the Window lower then 0x40 but it is not recommended.
AnnaBridge 145:64910690c574 231 * To generate an immediate reset, it is possible to set the Counter lower than 0x40.
AnnaBridge 145:64910690c574 232 * @rmtoll CFR W LL_WWDG_SetWindow
AnnaBridge 145:64910690c574 233 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 234 * @param Window 0x00..0x7F (7 bit Window value)
AnnaBridge 145:64910690c574 235 * @retval None
AnnaBridge 145:64910690c574 236 */
AnnaBridge 145:64910690c574 237 __STATIC_INLINE void LL_WWDG_SetWindow(WWDG_TypeDef *WWDGx, uint32_t Window)
AnnaBridge 145:64910690c574 238 {
AnnaBridge 145:64910690c574 239 MODIFY_REG(WWDGx->CFR, WWDG_CFR_W, Window);
AnnaBridge 145:64910690c574 240 }
AnnaBridge 145:64910690c574 241
AnnaBridge 145:64910690c574 242 /**
AnnaBridge 145:64910690c574 243 * @brief Return current Watchdog Window Value (7 bits value)
AnnaBridge 145:64910690c574 244 * @rmtoll CFR W LL_WWDG_GetWindow
AnnaBridge 145:64910690c574 245 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 246 * @retval 7 bit Watchdog Window value
AnnaBridge 145:64910690c574 247 */
AnnaBridge 145:64910690c574 248 __STATIC_INLINE uint32_t LL_WWDG_GetWindow(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 249 {
AnnaBridge 145:64910690c574 250 return (uint32_t)(READ_BIT(WWDGx->CFR, WWDG_CFR_W));
AnnaBridge 145:64910690c574 251 }
AnnaBridge 145:64910690c574 252
AnnaBridge 145:64910690c574 253 /**
AnnaBridge 145:64910690c574 254 * @}
AnnaBridge 145:64910690c574 255 */
AnnaBridge 145:64910690c574 256
AnnaBridge 145:64910690c574 257 /** @defgroup WWDG_LL_EF_FLAG_Management FLAG_Management
AnnaBridge 145:64910690c574 258 * @{
AnnaBridge 145:64910690c574 259 */
AnnaBridge 145:64910690c574 260 /**
AnnaBridge 145:64910690c574 261 * @brief Indicates if the WWDG Early Wakeup Interrupt Flag is set or not.
AnnaBridge 145:64910690c574 262 * @note This bit is set by hardware when the counter has reached the value 0x40.
AnnaBridge 145:64910690c574 263 * It must be cleared by software by writing 0.
AnnaBridge 145:64910690c574 264 * A write of 1 has no effect. This bit is also set if the interrupt is not enabled.
AnnaBridge 145:64910690c574 265 * @rmtoll SR EWIF LL_WWDG_IsActiveFlag_EWKUP
AnnaBridge 145:64910690c574 266 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 267 * @retval State of bit (1 or 0).
AnnaBridge 145:64910690c574 268 */
AnnaBridge 145:64910690c574 269 __STATIC_INLINE uint32_t LL_WWDG_IsActiveFlag_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 270 {
AnnaBridge 145:64910690c574 271 return (READ_BIT(WWDGx->SR, WWDG_SR_EWIF) == (WWDG_SR_EWIF));
AnnaBridge 145:64910690c574 272 }
AnnaBridge 145:64910690c574 273
AnnaBridge 145:64910690c574 274 /**
AnnaBridge 145:64910690c574 275 * @brief Clear WWDG Early Wakeup Interrupt Flag (EWIF)
AnnaBridge 145:64910690c574 276 * @rmtoll SR EWIF LL_WWDG_ClearFlag_EWKUP
AnnaBridge 145:64910690c574 277 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 278 * @retval None
AnnaBridge 145:64910690c574 279 */
AnnaBridge 145:64910690c574 280 __STATIC_INLINE void LL_WWDG_ClearFlag_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 281 {
AnnaBridge 145:64910690c574 282 WRITE_REG(WWDGx->SR, ~WWDG_SR_EWIF);
AnnaBridge 145:64910690c574 283 }
AnnaBridge 145:64910690c574 284
AnnaBridge 145:64910690c574 285 /**
AnnaBridge 145:64910690c574 286 * @}
AnnaBridge 145:64910690c574 287 */
AnnaBridge 145:64910690c574 288
AnnaBridge 145:64910690c574 289 /** @defgroup WWDG_LL_EF_IT_Management IT_Management
AnnaBridge 145:64910690c574 290 * @{
AnnaBridge 145:64910690c574 291 */
AnnaBridge 145:64910690c574 292 /**
AnnaBridge 145:64910690c574 293 * @brief Enable the Early Wakeup Interrupt.
AnnaBridge 145:64910690c574 294 * @note When set, an interrupt occurs whenever the counter reaches value 0x40.
AnnaBridge 145:64910690c574 295 * This interrupt is only cleared by hardware after a reset
AnnaBridge 145:64910690c574 296 * @rmtoll CFR EWI LL_WWDG_EnableIT_EWKUP
AnnaBridge 145:64910690c574 297 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 298 * @retval None
AnnaBridge 145:64910690c574 299 */
AnnaBridge 145:64910690c574 300 __STATIC_INLINE void LL_WWDG_EnableIT_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 301 {
AnnaBridge 145:64910690c574 302 SET_BIT(WWDGx->CFR, WWDG_CFR_EWI);
AnnaBridge 145:64910690c574 303 }
AnnaBridge 145:64910690c574 304
AnnaBridge 145:64910690c574 305 /**
AnnaBridge 145:64910690c574 306 * @brief Check if Early Wakeup Interrupt is enabled
AnnaBridge 145:64910690c574 307 * @rmtoll CFR EWI LL_WWDG_IsEnabledIT_EWKUP
AnnaBridge 145:64910690c574 308 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 309 * @retval State of bit (1 or 0).
AnnaBridge 145:64910690c574 310 */
AnnaBridge 145:64910690c574 311 __STATIC_INLINE uint32_t LL_WWDG_IsEnabledIT_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 312 {
AnnaBridge 145:64910690c574 313 return (READ_BIT(WWDGx->CFR, WWDG_CFR_EWI) == (WWDG_CFR_EWI));
AnnaBridge 145:64910690c574 314 }
AnnaBridge 145:64910690c574 315
AnnaBridge 145:64910690c574 316 /**
AnnaBridge 145:64910690c574 317 * @}
AnnaBridge 145:64910690c574 318 */
AnnaBridge 145:64910690c574 319
AnnaBridge 145:64910690c574 320 /**
AnnaBridge 145:64910690c574 321 * @}
AnnaBridge 145:64910690c574 322 */
AnnaBridge 145:64910690c574 323
AnnaBridge 145:64910690c574 324 /**
AnnaBridge 145:64910690c574 325 * @}
AnnaBridge 145:64910690c574 326 */
AnnaBridge 145:64910690c574 327
AnnaBridge 145:64910690c574 328 #endif /* WWDG */
AnnaBridge 145:64910690c574 329
AnnaBridge 145:64910690c574 330 /**
AnnaBridge 145:64910690c574 331 * @}
AnnaBridge 145:64910690c574 332 */
AnnaBridge 145:64910690c574 333
AnnaBridge 145:64910690c574 334 #ifdef __cplusplus
AnnaBridge 145:64910690c574 335 }
AnnaBridge 145:64910690c574 336 #endif
AnnaBridge 145:64910690c574 337
AnnaBridge 145:64910690c574 338 #endif /* __STM32L4xx_LL_WWDG_H */
AnnaBridge 145:64910690c574 339
AnnaBridge 145:64910690c574 340 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/