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_L4R5ZI_P/TOOLCHAIN_IAR/stm32l4xx_ll_wwdg.h@172:65be27845400, 2019-02-20 (annotated)

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

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 172:65be27845400 1 /**
AnnaBridge 172:65be27845400 2 ******************************************************************************
AnnaBridge 172:65be27845400 3 * @file stm32l4xx_ll_wwdg.h
AnnaBridge 172:65be27845400 4 * @author MCD Application Team
AnnaBridge 172:65be27845400 5 * @brief Header file of WWDG LL module.
AnnaBridge 172:65be27845400 6 ******************************************************************************
AnnaBridge 172:65be27845400 7 * @attention
AnnaBridge 172:65be27845400 8 *
AnnaBridge 172:65be27845400 9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 172:65be27845400 10 *
AnnaBridge 172:65be27845400 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 172:65be27845400 12 * are permitted provided that the following conditions are met:
AnnaBridge 172:65be27845400 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 172:65be27845400 14 * this list of conditions and the following disclaimer.
AnnaBridge 172:65be27845400 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 172:65be27845400 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 172:65be27845400 17 * and/or other materials provided with the distribution.
AnnaBridge 172:65be27845400 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 172:65be27845400 19 * may be used to endorse or promote products derived from this software
AnnaBridge 172:65be27845400 20 * without specific prior written permission.
AnnaBridge 172:65be27845400 21 *
AnnaBridge 172:65be27845400 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 172:65be27845400 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 172:65be27845400 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 172:65be27845400 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 172:65be27845400 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 172:65be27845400 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 172:65be27845400 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 172:65be27845400 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 172:65be27845400 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 172:65be27845400 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 172:65be27845400 32 *
AnnaBridge 172:65be27845400 33 ******************************************************************************
AnnaBridge 172:65be27845400 34 */
AnnaBridge 172:65be27845400 35
AnnaBridge 172:65be27845400 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 172:65be27845400 37 #ifndef __STM32L4xx_LL_WWDG_H
AnnaBridge 172:65be27845400 38 #define __STM32L4xx_LL_WWDG_H
AnnaBridge 172:65be27845400 39
AnnaBridge 172:65be27845400 40 #ifdef __cplusplus
AnnaBridge 172:65be27845400 41 extern "C" {
AnnaBridge 172:65be27845400 42 #endif
AnnaBridge 172:65be27845400 43
AnnaBridge 172:65be27845400 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 172:65be27845400 45 #include "stm32l4xx.h"
AnnaBridge 172:65be27845400 46
AnnaBridge 172:65be27845400 47 /** @addtogroup STM32L4xx_LL_Driver
AnnaBridge 172:65be27845400 48 * @{
AnnaBridge 172:65be27845400 49 */
AnnaBridge 172:65be27845400 50
AnnaBridge 172:65be27845400 51 #if defined (WWDG)
AnnaBridge 172:65be27845400 52
AnnaBridge 172:65be27845400 53 /** @defgroup WWDG_LL WWDG
AnnaBridge 172:65be27845400 54 * @{
AnnaBridge 172:65be27845400 55 */
AnnaBridge 172:65be27845400 56
AnnaBridge 172:65be27845400 57 /* Private types -------------------------------------------------------------*/
AnnaBridge 172:65be27845400 58 /* Private variables ---------------------------------------------------------*/
AnnaBridge 172:65be27845400 59
AnnaBridge 172:65be27845400 60 /* Private constants ---------------------------------------------------------*/
AnnaBridge 172:65be27845400 61
AnnaBridge 172:65be27845400 62 /* Private macros ------------------------------------------------------------*/
AnnaBridge 172:65be27845400 63
AnnaBridge 172:65be27845400 64 /* Exported types ------------------------------------------------------------*/
AnnaBridge 172:65be27845400 65 /* Exported constants --------------------------------------------------------*/
AnnaBridge 172:65be27845400 66 /** @defgroup WWDG_LL_Exported_Constants WWDG Exported Constants
AnnaBridge 172:65be27845400 67 * @{
AnnaBridge 172:65be27845400 68 */
AnnaBridge 172:65be27845400 69
AnnaBridge 172:65be27845400 70
AnnaBridge 172:65be27845400 71 /** @defgroup WWDG_LL_EC_IT IT Defines
AnnaBridge 172:65be27845400 72 * @brief IT defines which can be used with LL_WWDG_ReadReg and LL_WWDG_WriteReg functions
AnnaBridge 172:65be27845400 73 * @{
AnnaBridge 172:65be27845400 74 */
AnnaBridge 172:65be27845400 75 #define LL_WWDG_CFR_EWI WWDG_CFR_EWI
AnnaBridge 172:65be27845400 76 /**
AnnaBridge 172:65be27845400 77 * @}
AnnaBridge 172:65be27845400 78 */
AnnaBridge 172:65be27845400 79
AnnaBridge 172:65be27845400 80 /** @defgroup WWDG_LL_EC_PRESCALER PRESCALER
AnnaBridge 172:65be27845400 81 * @{
AnnaBridge 172:65be27845400 82 */
AnnaBridge 172:65be27845400 83 #define LL_WWDG_PRESCALER_1 0x00000000U /*!< WWDG counter clock = (PCLK1/4096)/1 */
AnnaBridge 172:65be27845400 84 #define LL_WWDG_PRESCALER_2 WWDG_CFR_WDGTB_0 /*!< WWDG counter clock = (PCLK1/4096)/2 */
AnnaBridge 172:65be27845400 85 #define LL_WWDG_PRESCALER_4 WWDG_CFR_WDGTB_1 /*!< WWDG counter clock = (PCLK1/4096)/4 */
AnnaBridge 172:65be27845400 86 #define LL_WWDG_PRESCALER_8 (WWDG_CFR_WDGTB_0 | WWDG_CFR_WDGTB_1) /*!< WWDG counter clock = (PCLK1/4096)/8 */
AnnaBridge 172:65be27845400 87 /**
AnnaBridge 172:65be27845400 88 * @}
AnnaBridge 172:65be27845400 89 */
AnnaBridge 172:65be27845400 90
AnnaBridge 172:65be27845400 91 /**
AnnaBridge 172:65be27845400 92 * @}
AnnaBridge 172:65be27845400 93 */
AnnaBridge 172:65be27845400 94
AnnaBridge 172:65be27845400 95 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 172:65be27845400 96 /** @defgroup WWDG_LL_Exported_Macros WWDG Exported Macros
AnnaBridge 172:65be27845400 97 * @{
AnnaBridge 172:65be27845400 98 */
AnnaBridge 172:65be27845400 99 /** @defgroup WWDG_LL_EM_WRITE_READ Common Write and read registers macros
AnnaBridge 172:65be27845400 100 * @{
AnnaBridge 172:65be27845400 101 */
AnnaBridge 172:65be27845400 102 /**
AnnaBridge 172:65be27845400 103 * @brief Write a value in WWDG register
AnnaBridge 172:65be27845400 104 * @param __INSTANCE__ WWDG Instance
AnnaBridge 172:65be27845400 105 * @param __REG__ Register to be written
AnnaBridge 172:65be27845400 106 * @param __VALUE__ Value to be written in the register
AnnaBridge 172:65be27845400 107 * @retval None
AnnaBridge 172:65be27845400 108 */
AnnaBridge 172:65be27845400 109 #define LL_WWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
AnnaBridge 172:65be27845400 110
AnnaBridge 172:65be27845400 111 /**
AnnaBridge 172:65be27845400 112 * @brief Read a value in WWDG register
AnnaBridge 172:65be27845400 113 * @param __INSTANCE__ WWDG Instance
AnnaBridge 172:65be27845400 114 * @param __REG__ Register to be read
AnnaBridge 172:65be27845400 115 * @retval Register value
AnnaBridge 172:65be27845400 116 */
AnnaBridge 172:65be27845400 117 #define LL_WWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
AnnaBridge 172:65be27845400 118 /**
AnnaBridge 172:65be27845400 119 * @}
AnnaBridge 172:65be27845400 120 */
AnnaBridge 172:65be27845400 121
AnnaBridge 172:65be27845400 122
AnnaBridge 172:65be27845400 123 /**
AnnaBridge 172:65be27845400 124 * @}
AnnaBridge 172:65be27845400 125 */
AnnaBridge 172:65be27845400 126
AnnaBridge 172:65be27845400 127 /* Exported functions --------------------------------------------------------*/
AnnaBridge 172:65be27845400 128 /** @defgroup WWDG_LL_Exported_Functions WWDG Exported Functions
AnnaBridge 172:65be27845400 129 * @{
AnnaBridge 172:65be27845400 130 */
AnnaBridge 172:65be27845400 131
AnnaBridge 172:65be27845400 132 /** @defgroup WWDG_LL_EF_Configuration Configuration
AnnaBridge 172:65be27845400 133 * @{
AnnaBridge 172:65be27845400 134 */
AnnaBridge 172:65be27845400 135 /**
AnnaBridge 172:65be27845400 136 * @brief Enable Window Watchdog. The watchdog is always disabled after a reset.
AnnaBridge 172:65be27845400 137 * @note It is enabled by setting the WDGA bit in the WWDG_CR register,
AnnaBridge 172:65be27845400 138 * then it cannot be disabled again except by a reset.
AnnaBridge 172:65be27845400 139 * This bit is set by software and only cleared by hardware after a reset.
AnnaBridge 172:65be27845400 140 * When WDGA = 1, the watchdog can generate a reset.
AnnaBridge 172:65be27845400 141 * @rmtoll CR WDGA LL_WWDG_Enable
AnnaBridge 172:65be27845400 142 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 143 * @retval None
AnnaBridge 172:65be27845400 144 */
AnnaBridge 172:65be27845400 145 __STATIC_INLINE void LL_WWDG_Enable(WWDG_TypeDef *WWDGx)
AnnaBridge 172:65be27845400 146 {
AnnaBridge 172:65be27845400 147 SET_BIT(WWDGx->CR, WWDG_CR_WDGA);
AnnaBridge 172:65be27845400 148 }
AnnaBridge 172:65be27845400 149
AnnaBridge 172:65be27845400 150 /**
AnnaBridge 172:65be27845400 151 * @brief Checks if Window Watchdog is enabled
AnnaBridge 172:65be27845400 152 * @rmtoll CR WDGA LL_WWDG_IsEnabled
AnnaBridge 172:65be27845400 153 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 154 * @retval State of bit (1 or 0).
AnnaBridge 172:65be27845400 155 */
AnnaBridge 172:65be27845400 156 __STATIC_INLINE uint32_t LL_WWDG_IsEnabled(WWDG_TypeDef *WWDGx)
AnnaBridge 172:65be27845400 157 {
AnnaBridge 172:65be27845400 158 return (READ_BIT(WWDGx->CR, WWDG_CR_WDGA) == (WWDG_CR_WDGA));
AnnaBridge 172:65be27845400 159 }
AnnaBridge 172:65be27845400 160
AnnaBridge 172:65be27845400 161 /**
AnnaBridge 172:65be27845400 162 * @brief Set the Watchdog counter value to provided value (7-bits T[6:0])
AnnaBridge 172:65be27845400 163 * @note When writing to the WWDG_CR register, always write 1 in the MSB b6 to avoid generating an immediate reset
AnnaBridge 172:65be27845400 164 * This counter is decremented every (4096 x 2expWDGTB) PCLK cycles
AnnaBridge 172:65be27845400 165 * A reset is produced when it rolls over from 0x40 to 0x3F (bit T6 becomes cleared)
AnnaBridge 172:65be27845400 166 * Setting the counter lower then 0x40 causes an immediate reset (if WWDG enabled)
AnnaBridge 172:65be27845400 167 * @rmtoll CR T LL_WWDG_SetCounter
AnnaBridge 172:65be27845400 168 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 169 * @param Counter 0..0x7F (7 bit counter value)
AnnaBridge 172:65be27845400 170 * @retval None
AnnaBridge 172:65be27845400 171 */
AnnaBridge 172:65be27845400 172 __STATIC_INLINE void LL_WWDG_SetCounter(WWDG_TypeDef *WWDGx, uint32_t Counter)
AnnaBridge 172:65be27845400 173 {
AnnaBridge 172:65be27845400 174 MODIFY_REG(WWDGx->CR, WWDG_CR_T, Counter);
AnnaBridge 172:65be27845400 175 }
AnnaBridge 172:65be27845400 176
AnnaBridge 172:65be27845400 177 /**
AnnaBridge 172:65be27845400 178 * @brief Return current Watchdog Counter Value (7 bits counter value)
AnnaBridge 172:65be27845400 179 * @rmtoll CR T LL_WWDG_GetCounter
AnnaBridge 172:65be27845400 180 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 181 * @retval 7 bit Watchdog Counter value
AnnaBridge 172:65be27845400 182 */
AnnaBridge 172:65be27845400 183 __STATIC_INLINE uint32_t LL_WWDG_GetCounter(WWDG_TypeDef *WWDGx)
AnnaBridge 172:65be27845400 184 {
AnnaBridge 172:65be27845400 185 return (uint32_t)(READ_BIT(WWDGx->CR, WWDG_CR_T));
AnnaBridge 172:65be27845400 186 }
AnnaBridge 172:65be27845400 187
AnnaBridge 172:65be27845400 188 /**
AnnaBridge 172:65be27845400 189 * @brief Set the time base of the prescaler (WDGTB).
AnnaBridge 172:65be27845400 190 * @note Prescaler is used to apply ratio on PCLK clock, so that Watchdog counter
AnnaBridge 172:65be27845400 191 * is decremented every (4096 x 2expWDGTB) PCLK cycles
AnnaBridge 172:65be27845400 192 * @rmtoll CFR WDGTB LL_WWDG_SetPrescaler
AnnaBridge 172:65be27845400 193 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 194 * @param Prescaler This parameter can be one of the following values:
AnnaBridge 172:65be27845400 195 * @arg @ref LL_WWDG_PRESCALER_1
AnnaBridge 172:65be27845400 196 * @arg @ref LL_WWDG_PRESCALER_2
AnnaBridge 172:65be27845400 197 * @arg @ref LL_WWDG_PRESCALER_4
AnnaBridge 172:65be27845400 198 * @arg @ref LL_WWDG_PRESCALER_8
AnnaBridge 172:65be27845400 199 * @retval None
AnnaBridge 172:65be27845400 200 */
AnnaBridge 172:65be27845400 201 __STATIC_INLINE void LL_WWDG_SetPrescaler(WWDG_TypeDef *WWDGx, uint32_t Prescaler)
AnnaBridge 172:65be27845400 202 {
AnnaBridge 172:65be27845400 203 MODIFY_REG(WWDGx->CFR, WWDG_CFR_WDGTB, Prescaler);
AnnaBridge 172:65be27845400 204 }
AnnaBridge 172:65be27845400 205
AnnaBridge 172:65be27845400 206 /**
AnnaBridge 172:65be27845400 207 * @brief Return current Watchdog Prescaler Value
AnnaBridge 172:65be27845400 208 * @rmtoll CFR WDGTB LL_WWDG_GetPrescaler
AnnaBridge 172:65be27845400 209 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 210 * @retval Returned value can be one of the following values:
AnnaBridge 172:65be27845400 211 * @arg @ref LL_WWDG_PRESCALER_1
AnnaBridge 172:65be27845400 212 * @arg @ref LL_WWDG_PRESCALER_2
AnnaBridge 172:65be27845400 213 * @arg @ref LL_WWDG_PRESCALER_4
AnnaBridge 172:65be27845400 214 * @arg @ref LL_WWDG_PRESCALER_8
AnnaBridge 172:65be27845400 215 */
AnnaBridge 172:65be27845400 216 __STATIC_INLINE uint32_t LL_WWDG_GetPrescaler(WWDG_TypeDef *WWDGx)
AnnaBridge 172:65be27845400 217 {
AnnaBridge 172:65be27845400 218 return (uint32_t)(READ_BIT(WWDGx->CFR, WWDG_CFR_WDGTB));
AnnaBridge 172:65be27845400 219 }
AnnaBridge 172:65be27845400 220
AnnaBridge 172:65be27845400 221 /**
AnnaBridge 172:65be27845400 222 * @brief Set the Watchdog Window value to be compared to the downcounter (7-bits W[6:0]).
AnnaBridge 172:65be27845400 223 * @note This window value defines when write in the WWDG_CR register
AnnaBridge 172:65be27845400 224 * to program Watchdog counter is allowed.
AnnaBridge 172:65be27845400 225 * Watchdog counter value update must occur only when the counter value
AnnaBridge 172:65be27845400 226 * is lower than the Watchdog window register value.
AnnaBridge 172:65be27845400 227 * Otherwise, a MCU reset is generated if the 7-bit Watchdog counter value
AnnaBridge 172:65be27845400 228 * (in the control register) is refreshed before the downcounter has reached
AnnaBridge 172:65be27845400 229 * the watchdog window register value.
AnnaBridge 172:65be27845400 230 * Physically is possible to set the Window lower then 0x40 but it is not recommended.
AnnaBridge 172:65be27845400 231 * To generate an immediate reset, it is possible to set the Counter lower than 0x40.
AnnaBridge 172:65be27845400 232 * @rmtoll CFR W LL_WWDG_SetWindow
AnnaBridge 172:65be27845400 233 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 234 * @param Window 0x00..0x7F (7 bit Window value)
AnnaBridge 172:65be27845400 235 * @retval None
AnnaBridge 172:65be27845400 236 */
AnnaBridge 172:65be27845400 237 __STATIC_INLINE void LL_WWDG_SetWindow(WWDG_TypeDef *WWDGx, uint32_t Window)
AnnaBridge 172:65be27845400 238 {
AnnaBridge 172:65be27845400 239 MODIFY_REG(WWDGx->CFR, WWDG_CFR_W, Window);
AnnaBridge 172:65be27845400 240 }
AnnaBridge 172:65be27845400 241
AnnaBridge 172:65be27845400 242 /**
AnnaBridge 172:65be27845400 243 * @brief Return current Watchdog Window Value (7 bits value)
AnnaBridge 172:65be27845400 244 * @rmtoll CFR W LL_WWDG_GetWindow
AnnaBridge 172:65be27845400 245 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 246 * @retval 7 bit Watchdog Window value
AnnaBridge 172:65be27845400 247 */
AnnaBridge 172:65be27845400 248 __STATIC_INLINE uint32_t LL_WWDG_GetWindow(WWDG_TypeDef *WWDGx)
AnnaBridge 172:65be27845400 249 {
AnnaBridge 172:65be27845400 250 return (uint32_t)(READ_BIT(WWDGx->CFR, WWDG_CFR_W));
AnnaBridge 172:65be27845400 251 }
AnnaBridge 172:65be27845400 252
AnnaBridge 172:65be27845400 253 /**
AnnaBridge 172:65be27845400 254 * @}
AnnaBridge 172:65be27845400 255 */
AnnaBridge 172:65be27845400 256
AnnaBridge 172:65be27845400 257 /** @defgroup WWDG_LL_EF_FLAG_Management FLAG_Management
AnnaBridge 172:65be27845400 258 * @{
AnnaBridge 172:65be27845400 259 */
AnnaBridge 172:65be27845400 260 /**
AnnaBridge 172:65be27845400 261 * @brief Indicates if the WWDG Early Wakeup Interrupt Flag is set or not.
AnnaBridge 172:65be27845400 262 * @note This bit is set by hardware when the counter has reached the value 0x40.
AnnaBridge 172:65be27845400 263 * It must be cleared by software by writing 0.
AnnaBridge 172:65be27845400 264 * A write of 1 has no effect. This bit is also set if the interrupt is not enabled.
AnnaBridge 172:65be27845400 265 * @rmtoll SR EWIF LL_WWDG_IsActiveFlag_EWKUP
AnnaBridge 172:65be27845400 266 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 267 * @retval State of bit (1 or 0).
AnnaBridge 172:65be27845400 268 */
AnnaBridge 172:65be27845400 269 __STATIC_INLINE uint32_t LL_WWDG_IsActiveFlag_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 172:65be27845400 270 {
AnnaBridge 172:65be27845400 271 return (READ_BIT(WWDGx->SR, WWDG_SR_EWIF) == (WWDG_SR_EWIF));
AnnaBridge 172:65be27845400 272 }
AnnaBridge 172:65be27845400 273
AnnaBridge 172:65be27845400 274 /**
AnnaBridge 172:65be27845400 275 * @brief Clear WWDG Early Wakeup Interrupt Flag (EWIF)
AnnaBridge 172:65be27845400 276 * @rmtoll SR EWIF LL_WWDG_ClearFlag_EWKUP
AnnaBridge 172:65be27845400 277 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 278 * @retval None
AnnaBridge 172:65be27845400 279 */
AnnaBridge 172:65be27845400 280 __STATIC_INLINE void LL_WWDG_ClearFlag_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 172:65be27845400 281 {
AnnaBridge 172:65be27845400 282 WRITE_REG(WWDGx->SR, ~WWDG_SR_EWIF);
AnnaBridge 172:65be27845400 283 }
AnnaBridge 172:65be27845400 284
AnnaBridge 172:65be27845400 285 /**
AnnaBridge 172:65be27845400 286 * @}
AnnaBridge 172:65be27845400 287 */
AnnaBridge 172:65be27845400 288
AnnaBridge 172:65be27845400 289 /** @defgroup WWDG_LL_EF_IT_Management IT_Management
AnnaBridge 172:65be27845400 290 * @{
AnnaBridge 172:65be27845400 291 */
AnnaBridge 172:65be27845400 292 /**
AnnaBridge 172:65be27845400 293 * @brief Enable the Early Wakeup Interrupt.
AnnaBridge 172:65be27845400 294 * @note When set, an interrupt occurs whenever the counter reaches value 0x40.
AnnaBridge 172:65be27845400 295 * This interrupt is only cleared by hardware after a reset
AnnaBridge 172:65be27845400 296 * @rmtoll CFR EWI LL_WWDG_EnableIT_EWKUP
AnnaBridge 172:65be27845400 297 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 298 * @retval None
AnnaBridge 172:65be27845400 299 */
AnnaBridge 172:65be27845400 300 __STATIC_INLINE void LL_WWDG_EnableIT_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 172:65be27845400 301 {
AnnaBridge 172:65be27845400 302 SET_BIT(WWDGx->CFR, WWDG_CFR_EWI);
AnnaBridge 172:65be27845400 303 }
AnnaBridge 172:65be27845400 304
AnnaBridge 172:65be27845400 305 /**
AnnaBridge 172:65be27845400 306 * @brief Check if Early Wakeup Interrupt is enabled
AnnaBridge 172:65be27845400 307 * @rmtoll CFR EWI LL_WWDG_IsEnabledIT_EWKUP
AnnaBridge 172:65be27845400 308 * @param WWDGx WWDG Instance
AnnaBridge 172:65be27845400 309 * @retval State of bit (1 or 0).
AnnaBridge 172:65be27845400 310 */
AnnaBridge 172:65be27845400 311 __STATIC_INLINE uint32_t LL_WWDG_IsEnabledIT_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 172:65be27845400 312 {
AnnaBridge 172:65be27845400 313 return (READ_BIT(WWDGx->CFR, WWDG_CFR_EWI) == (WWDG_CFR_EWI));
AnnaBridge 172:65be27845400 314 }
AnnaBridge 172:65be27845400 315
AnnaBridge 172:65be27845400 316 /**
AnnaBridge 172:65be27845400 317 * @}
AnnaBridge 172:65be27845400 318 */
AnnaBridge 172:65be27845400 319
AnnaBridge 172:65be27845400 320 /**
AnnaBridge 172:65be27845400 321 * @}
AnnaBridge 172:65be27845400 322 */
AnnaBridge 172:65be27845400 323
AnnaBridge 172:65be27845400 324 /**
AnnaBridge 172:65be27845400 325 * @}
AnnaBridge 172:65be27845400 326 */
AnnaBridge 172:65be27845400 327
AnnaBridge 172:65be27845400 328 #endif /* WWDG */
AnnaBridge 172:65be27845400 329
AnnaBridge 172:65be27845400 330 /**
AnnaBridge 172:65be27845400 331 * @}
AnnaBridge 172:65be27845400 332 */
AnnaBridge 172:65be27845400 333
AnnaBridge 172:65be27845400 334 #ifdef __cplusplus
AnnaBridge 172:65be27845400 335 }
AnnaBridge 172:65be27845400 336 #endif
AnnaBridge 172:65be27845400 337
AnnaBridge 172:65be27845400 338 #endif /* __STM32L4xx_LL_WWDG_H */
AnnaBridge 172:65be27845400 339
AnnaBridge 172:65be27845400 340 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/