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TARGET_NUCLEO_F207ZG/TOOLCHAIN_GCC_ARM/stm32f2xx_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_NUCLEO_F207ZG/TARGET_STM/TARGET_STM32F2/device/stm32f2xx_ll_wwdg.h@145:64910690c574 
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 stm32f2xx_ll_wwdg.h
AnnaBridge 145:64910690c574 4 * @author MCD Application Team
AnnaBridge 145:64910690c574 5 * @version V1.2.1
AnnaBridge 145:64910690c574 6 * @date 14-April-2017
AnnaBridge 145:64910690c574 7 * @brief Header file of WWDG LL module.
AnnaBridge 145:64910690c574 8 ******************************************************************************
AnnaBridge 145:64910690c574 9 * @attention
AnnaBridge 145:64910690c574 10 *
AnnaBridge 145:64910690c574 11 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 145:64910690c574 12 *
AnnaBridge 145:64910690c574 13 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 145:64910690c574 14 * are permitted provided that the following conditions are met:
AnnaBridge 145:64910690c574 15 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 145:64910690c574 16 * this list of conditions and the following disclaimer.
AnnaBridge 145:64910690c574 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 145:64910690c574 18 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 145:64910690c574 19 * and/or other materials provided with the distribution.
AnnaBridge 145:64910690c574 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 145:64910690c574 21 * may be used to endorse or promote products derived from this software
AnnaBridge 145:64910690c574 22 * without specific prior written permission.
AnnaBridge 145:64910690c574 23 *
AnnaBridge 145:64910690c574 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 145:64910690c574 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 145:64910690c574 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 145:64910690c574 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 145:64910690c574 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 145:64910690c574 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 145:64910690c574 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 145:64910690c574 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 145:64910690c574 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 145:64910690c574 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 145:64910690c574 34 *
AnnaBridge 145:64910690c574 35 ******************************************************************************
AnnaBridge 145:64910690c574 36 */
AnnaBridge 145:64910690c574 37
AnnaBridge 145:64910690c574 38 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 145:64910690c574 39 #ifndef __STM32F2xx_LL_WWDG_H
AnnaBridge 145:64910690c574 40 #define __STM32F2xx_LL_WWDG_H
AnnaBridge 145:64910690c574 41
AnnaBridge 145:64910690c574 42 #ifdef __cplusplus
AnnaBridge 145:64910690c574 43 extern "C" {
AnnaBridge 145:64910690c574 44 #endif
AnnaBridge 145:64910690c574 45
AnnaBridge 145:64910690c574 46 /* Includes ------------------------------------------------------------------*/
AnnaBridge 145:64910690c574 47 #include "stm32f2xx.h"
AnnaBridge 145:64910690c574 48
AnnaBridge 145:64910690c574 49 /** @addtogroup STM32F2xx_LL_Driver
AnnaBridge 145:64910690c574 50 * @{
AnnaBridge 145:64910690c574 51 */
AnnaBridge 145:64910690c574 52
AnnaBridge 145:64910690c574 53 #if defined (WWDG)
AnnaBridge 145:64910690c574 54
AnnaBridge 145:64910690c574 55 /** @defgroup WWDG_LL WWDG
AnnaBridge 145:64910690c574 56 * @{
AnnaBridge 145:64910690c574 57 */
AnnaBridge 145:64910690c574 58
AnnaBridge 145:64910690c574 59 /* Private types -------------------------------------------------------------*/
AnnaBridge 145:64910690c574 60 /* Private variables ---------------------------------------------------------*/
AnnaBridge 145:64910690c574 61
AnnaBridge 145:64910690c574 62 /* Private constants ---------------------------------------------------------*/
AnnaBridge 145:64910690c574 63
AnnaBridge 145:64910690c574 64 /* Private macros ------------------------------------------------------------*/
AnnaBridge 145:64910690c574 65
AnnaBridge 145:64910690c574 66 /* Exported types ------------------------------------------------------------*/
AnnaBridge 145:64910690c574 67 /* Exported constants --------------------------------------------------------*/
AnnaBridge 145:64910690c574 68 /** @defgroup WWDG_LL_Exported_Constants WWDG Exported Constants
AnnaBridge 145:64910690c574 69 * @{
AnnaBridge 145:64910690c574 70 */
AnnaBridge 145:64910690c574 71
AnnaBridge 145:64910690c574 72
AnnaBridge 145:64910690c574 73 /** @defgroup WWDG_LL_EC_IT IT Defines
AnnaBridge 145:64910690c574 74 * @brief IT defines which can be used with LL_WWDG_ReadReg and LL_WWDG_WriteReg functions
AnnaBridge 145:64910690c574 75 * @{
AnnaBridge 145:64910690c574 76 */
AnnaBridge 145:64910690c574 77 #define LL_WWDG_CFR_EWI WWDG_CFR_EWI
AnnaBridge 145:64910690c574 78 /**
AnnaBridge 145:64910690c574 79 * @}
AnnaBridge 145:64910690c574 80 */
AnnaBridge 145:64910690c574 81
AnnaBridge 145:64910690c574 82 /** @defgroup WWDG_LL_EC_PRESCALER PRESCALER
AnnaBridge 145:64910690c574 83 * @{
AnnaBridge 145:64910690c574 84 */
AnnaBridge 145:64910690c574 85 #define LL_WWDG_PRESCALER_1 (uint32_t)0x00000000U /*!< WWDG counter clock = (PCLK1/4096)/1 */
AnnaBridge 145:64910690c574 86 #define LL_WWDG_PRESCALER_2 WWDG_CFR_WDGTB_0 /*!< WWDG counter clock = (PCLK1/4096)/2 */
AnnaBridge 145:64910690c574 87 #define LL_WWDG_PRESCALER_4 WWDG_CFR_WDGTB_1 /*!< WWDG counter clock = (PCLK1/4096)/4 */
AnnaBridge 145:64910690c574 88 #define LL_WWDG_PRESCALER_8 (WWDG_CFR_WDGTB_0 | WWDG_CFR_WDGTB_1) /*!< WWDG counter clock = (PCLK1/4096)/8 */
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 */
AnnaBridge 145:64910690c574 96
AnnaBridge 145:64910690c574 97 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 145:64910690c574 98 /** @defgroup WWDG_LL_Exported_Macros WWDG Exported Macros
AnnaBridge 145:64910690c574 99 * @{
AnnaBridge 145:64910690c574 100 */
AnnaBridge 145:64910690c574 101 /** @defgroup WWDG_LL_EM_WRITE_READ Common Write and read registers macros
AnnaBridge 145:64910690c574 102 * @{
AnnaBridge 145:64910690c574 103 */
AnnaBridge 145:64910690c574 104 /**
AnnaBridge 145:64910690c574 105 * @brief Write a value in WWDG register
AnnaBridge 145:64910690c574 106 * @param __INSTANCE__ WWDG Instance
AnnaBridge 145:64910690c574 107 * @param __REG__ Register to be written
AnnaBridge 145:64910690c574 108 * @param __VALUE__ Value to be written in the register
AnnaBridge 145:64910690c574 109 * @retval None
AnnaBridge 145:64910690c574 110 */
AnnaBridge 145:64910690c574 111 #define LL_WWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
AnnaBridge 145:64910690c574 112
AnnaBridge 145:64910690c574 113 /**
AnnaBridge 145:64910690c574 114 * @brief Read a value in WWDG register
AnnaBridge 145:64910690c574 115 * @param __INSTANCE__ WWDG Instance
AnnaBridge 145:64910690c574 116 * @param __REG__ Register to be read
AnnaBridge 145:64910690c574 117 * @retval Register value
AnnaBridge 145:64910690c574 118 */
AnnaBridge 145:64910690c574 119 #define LL_WWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
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 */
AnnaBridge 145:64910690c574 128
AnnaBridge 145:64910690c574 129 /* Exported functions --------------------------------------------------------*/
AnnaBridge 145:64910690c574 130 /** @defgroup WWDG_LL_Exported_Functions WWDG Exported Functions
AnnaBridge 145:64910690c574 131 * @{
AnnaBridge 145:64910690c574 132 */
AnnaBridge 145:64910690c574 133
AnnaBridge 145:64910690c574 134 /** @defgroup WWDG_LL_EF_Configuration Configuration
AnnaBridge 145:64910690c574 135 * @{
AnnaBridge 145:64910690c574 136 */
AnnaBridge 145:64910690c574 137 /**
AnnaBridge 145:64910690c574 138 * @brief Enable Window Watchdog. The watchdog is always disabled after a reset.
AnnaBridge 145:64910690c574 139 * @note It is enabled by setting the WDGA bit in the WWDG_CR register,
AnnaBridge 145:64910690c574 140 * then it cannot be disabled again except by a reset.
AnnaBridge 145:64910690c574 141 * This bit is set by software and only cleared by hardware after a reset.
AnnaBridge 145:64910690c574 142 * When WDGA = 1, the watchdog can generate a reset.
AnnaBridge 145:64910690c574 143 * @rmtoll CR WDGA LL_WWDG_Enable
AnnaBridge 145:64910690c574 144 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 145 * @retval None
AnnaBridge 145:64910690c574 146 */
AnnaBridge 145:64910690c574 147 __STATIC_INLINE void LL_WWDG_Enable(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 148 {
AnnaBridge 145:64910690c574 149 SET_BIT(WWDGx->CR, WWDG_CR_WDGA);
AnnaBridge 145:64910690c574 150 }
AnnaBridge 145:64910690c574 151
AnnaBridge 145:64910690c574 152 /**
AnnaBridge 145:64910690c574 153 * @brief Checks if Window Watchdog is enabled
AnnaBridge 145:64910690c574 154 * @rmtoll CR WDGA LL_WWDG_IsEnabled
AnnaBridge 145:64910690c574 155 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 156 * @retval State of bit (1 or 0).
AnnaBridge 145:64910690c574 157 */
AnnaBridge 145:64910690c574 158 __STATIC_INLINE uint32_t LL_WWDG_IsEnabled(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 159 {
AnnaBridge 145:64910690c574 160 return (READ_BIT(WWDGx->CR, WWDG_CR_WDGA) == (WWDG_CR_WDGA));
AnnaBridge 145:64910690c574 161 }
AnnaBridge 145:64910690c574 162
AnnaBridge 145:64910690c574 163 /**
AnnaBridge 145:64910690c574 164 * @brief Set the Watchdog counter value to provided value (7-bits T[6:0])
AnnaBridge 145:64910690c574 165 * @note When writing to the WWDG_CR register, always write 1 in the MSB b6 to avoid generating an immediate reset
AnnaBridge 145:64910690c574 166 * This counter is decremented every (4096 x 2expWDGTB) PCLK cycles
AnnaBridge 145:64910690c574 167 * A reset is produced when it rolls over from 0x40 to 0x3F (bit T6 becomes cleared)
AnnaBridge 145:64910690c574 168 * Setting the counter lower then 0x40 causes an immediate reset (if WWDG enabled)
AnnaBridge 145:64910690c574 169 * @rmtoll CR T LL_WWDG_SetCounter
AnnaBridge 145:64910690c574 170 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 171 * @param Counter 0..0x7F (7 bit counter value)
AnnaBridge 145:64910690c574 172 * @retval None
AnnaBridge 145:64910690c574 173 */
AnnaBridge 145:64910690c574 174 __STATIC_INLINE void LL_WWDG_SetCounter(WWDG_TypeDef *WWDGx, uint32_t Counter)
AnnaBridge 145:64910690c574 175 {
AnnaBridge 145:64910690c574 176 MODIFY_REG(WWDGx->CR, WWDG_CR_T, Counter);
AnnaBridge 145:64910690c574 177 }
AnnaBridge 145:64910690c574 178
AnnaBridge 145:64910690c574 179 /**
AnnaBridge 145:64910690c574 180 * @brief Return current Watchdog Counter Value (7 bits counter value)
AnnaBridge 145:64910690c574 181 * @rmtoll CR T LL_WWDG_GetCounter
AnnaBridge 145:64910690c574 182 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 183 * @retval 7 bit Watchdog Counter value
AnnaBridge 145:64910690c574 184 */
AnnaBridge 145:64910690c574 185 __STATIC_INLINE uint32_t LL_WWDG_GetCounter(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 186 {
AnnaBridge 145:64910690c574 187 return (uint32_t)(READ_BIT(WWDGx->CR, WWDG_CR_T));
AnnaBridge 145:64910690c574 188 }
AnnaBridge 145:64910690c574 189
AnnaBridge 145:64910690c574 190 /**
AnnaBridge 145:64910690c574 191 * @brief Set the time base of the prescaler (WDGTB).
AnnaBridge 145:64910690c574 192 * @note Prescaler is used to apply ratio on PCLK clock, so that Watchdog counter
AnnaBridge 145:64910690c574 193 * is decremented every (4096 x 2expWDGTB) PCLK cycles
AnnaBridge 145:64910690c574 194 * @rmtoll CFR WDGTB LL_WWDG_SetPrescaler
AnnaBridge 145:64910690c574 195 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 196 * @param Prescaler This parameter can be one of the following values:
AnnaBridge 145:64910690c574 197 * @arg @ref LL_WWDG_PRESCALER_1
AnnaBridge 145:64910690c574 198 * @arg @ref LL_WWDG_PRESCALER_2
AnnaBridge 145:64910690c574 199 * @arg @ref LL_WWDG_PRESCALER_4
AnnaBridge 145:64910690c574 200 * @arg @ref LL_WWDG_PRESCALER_8
AnnaBridge 145:64910690c574 201 * @retval None
AnnaBridge 145:64910690c574 202 */
AnnaBridge 145:64910690c574 203 __STATIC_INLINE void LL_WWDG_SetPrescaler(WWDG_TypeDef *WWDGx, uint32_t Prescaler)
AnnaBridge 145:64910690c574 204 {
AnnaBridge 145:64910690c574 205 MODIFY_REG(WWDGx->CFR, WWDG_CFR_WDGTB, Prescaler);
AnnaBridge 145:64910690c574 206 }
AnnaBridge 145:64910690c574 207
AnnaBridge 145:64910690c574 208 /**
AnnaBridge 145:64910690c574 209 * @brief Return current Watchdog Prescaler Value
AnnaBridge 145:64910690c574 210 * @rmtoll CFR WDGTB LL_WWDG_GetPrescaler
AnnaBridge 145:64910690c574 211 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 212 * @retval Returned value can be one of the following values:
AnnaBridge 145:64910690c574 213 * @arg @ref LL_WWDG_PRESCALER_1
AnnaBridge 145:64910690c574 214 * @arg @ref LL_WWDG_PRESCALER_2
AnnaBridge 145:64910690c574 215 * @arg @ref LL_WWDG_PRESCALER_4
AnnaBridge 145:64910690c574 216 * @arg @ref LL_WWDG_PRESCALER_8
AnnaBridge 145:64910690c574 217 */
AnnaBridge 145:64910690c574 218 __STATIC_INLINE uint32_t LL_WWDG_GetPrescaler(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 219 {
AnnaBridge 145:64910690c574 220 return (uint32_t)(READ_BIT(WWDGx->CFR, WWDG_CFR_WDGTB));
AnnaBridge 145:64910690c574 221 }
AnnaBridge 145:64910690c574 222
AnnaBridge 145:64910690c574 223 /**
AnnaBridge 145:64910690c574 224 * @brief Set the Watchdog Window value to be compared to the downcounter (7-bits W[6:0]).
AnnaBridge 145:64910690c574 225 * @note This window value defines when write in the WWDG_CR register
AnnaBridge 145:64910690c574 226 * to program Watchdog counter is allowed.
AnnaBridge 145:64910690c574 227 * Watchdog counter value update must occur only when the counter value
AnnaBridge 145:64910690c574 228 * is lower than the Watchdog window register value.
AnnaBridge 145:64910690c574 229 * Otherwise, a MCU reset is generated if the 7-bit Watchdog counter value
AnnaBridge 145:64910690c574 230 * (in the control register) is refreshed before the downcounter has reached
AnnaBridge 145:64910690c574 231 * the watchdog window register value.
AnnaBridge 145:64910690c574 232 * Physically is possible to set the Window lower then 0x40 but it is not recommended.
AnnaBridge 145:64910690c574 233 * To generate an immediate reset, it is possible to set the Counter lower than 0x40.
AnnaBridge 145:64910690c574 234 * @rmtoll CFR W LL_WWDG_SetWindow
AnnaBridge 145:64910690c574 235 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 236 * @param Window 0x00..0x7F (7 bit Window value)
AnnaBridge 145:64910690c574 237 * @retval None
AnnaBridge 145:64910690c574 238 */
AnnaBridge 145:64910690c574 239 __STATIC_INLINE void LL_WWDG_SetWindow(WWDG_TypeDef *WWDGx, uint32_t Window)
AnnaBridge 145:64910690c574 240 {
AnnaBridge 145:64910690c574 241 MODIFY_REG(WWDGx->CFR, WWDG_CFR_W, Window);
AnnaBridge 145:64910690c574 242 }
AnnaBridge 145:64910690c574 243
AnnaBridge 145:64910690c574 244 /**
AnnaBridge 145:64910690c574 245 * @brief Return current Watchdog Window Value (7 bits value)
AnnaBridge 145:64910690c574 246 * @rmtoll CFR W LL_WWDG_GetWindow
AnnaBridge 145:64910690c574 247 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 248 * @retval 7 bit Watchdog Window value
AnnaBridge 145:64910690c574 249 */
AnnaBridge 145:64910690c574 250 __STATIC_INLINE uint32_t LL_WWDG_GetWindow(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 251 {
AnnaBridge 145:64910690c574 252 return (uint32_t)(READ_BIT(WWDGx->CFR, WWDG_CFR_W));
AnnaBridge 145:64910690c574 253 }
AnnaBridge 145:64910690c574 254
AnnaBridge 145:64910690c574 255 /**
AnnaBridge 145:64910690c574 256 * @}
AnnaBridge 145:64910690c574 257 */
AnnaBridge 145:64910690c574 258
AnnaBridge 145:64910690c574 259 /** @defgroup WWDG_LL_EF_FLAG_Management FLAG_Management
AnnaBridge 145:64910690c574 260 * @{
AnnaBridge 145:64910690c574 261 */
AnnaBridge 145:64910690c574 262 /**
AnnaBridge 145:64910690c574 263 * @brief Indicates if the WWDG Early Wakeup Interrupt Flag is set or not.
AnnaBridge 145:64910690c574 264 * @note This bit is set by hardware when the counter has reached the value 0x40.
AnnaBridge 145:64910690c574 265 * It must be cleared by software by writing 0.
AnnaBridge 145:64910690c574 266 * A write of 1 has no effect. This bit is also set if the interrupt is not enabled.
AnnaBridge 145:64910690c574 267 * @rmtoll SR EWIF LL_WWDG_IsActiveFlag_EWKUP
AnnaBridge 145:64910690c574 268 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 269 * @retval State of bit (1 or 0).
AnnaBridge 145:64910690c574 270 */
AnnaBridge 145:64910690c574 271 __STATIC_INLINE uint32_t LL_WWDG_IsActiveFlag_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 272 {
AnnaBridge 145:64910690c574 273 return (READ_BIT(WWDGx->SR, WWDG_SR_EWIF) == (WWDG_SR_EWIF));
AnnaBridge 145:64910690c574 274 }
AnnaBridge 145:64910690c574 275
AnnaBridge 145:64910690c574 276 /**
AnnaBridge 145:64910690c574 277 * @brief Clear WWDG Early Wakeup Interrupt Flag (EWIF)
AnnaBridge 145:64910690c574 278 * @rmtoll SR EWIF LL_WWDG_ClearFlag_EWKUP
AnnaBridge 145:64910690c574 279 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 280 * @retval None
AnnaBridge 145:64910690c574 281 */
AnnaBridge 145:64910690c574 282 __STATIC_INLINE void LL_WWDG_ClearFlag_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 283 {
AnnaBridge 145:64910690c574 284 WRITE_REG(WWDGx->SR, ~WWDG_SR_EWIF);
AnnaBridge 145:64910690c574 285 }
AnnaBridge 145:64910690c574 286
AnnaBridge 145:64910690c574 287 /**
AnnaBridge 145:64910690c574 288 * @}
AnnaBridge 145:64910690c574 289 */
AnnaBridge 145:64910690c574 290
AnnaBridge 145:64910690c574 291 /** @defgroup WWDG_LL_EF_IT_Management IT_Management
AnnaBridge 145:64910690c574 292 * @{
AnnaBridge 145:64910690c574 293 */
AnnaBridge 145:64910690c574 294 /**
AnnaBridge 145:64910690c574 295 * @brief Enable the Early Wakeup Interrupt.
AnnaBridge 145:64910690c574 296 * @note When set, an interrupt occurs whenever the counter reaches value 0x40.
AnnaBridge 145:64910690c574 297 * This interrupt is only cleared by hardware after a reset
AnnaBridge 145:64910690c574 298 * @rmtoll CFR EWI LL_WWDG_EnableIT_EWKUP
AnnaBridge 145:64910690c574 299 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 300 * @retval None
AnnaBridge 145:64910690c574 301 */
AnnaBridge 145:64910690c574 302 __STATIC_INLINE void LL_WWDG_EnableIT_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 303 {
AnnaBridge 145:64910690c574 304 SET_BIT(WWDGx->CFR, WWDG_CFR_EWI);
AnnaBridge 145:64910690c574 305 }
AnnaBridge 145:64910690c574 306
AnnaBridge 145:64910690c574 307 /**
AnnaBridge 145:64910690c574 308 * @brief Check if Early Wakeup Interrupt is enabled
AnnaBridge 145:64910690c574 309 * @rmtoll CFR EWI LL_WWDG_IsEnabledIT_EWKUP
AnnaBridge 145:64910690c574 310 * @param WWDGx WWDG Instance
AnnaBridge 145:64910690c574 311 * @retval State of bit (1 or 0).
AnnaBridge 145:64910690c574 312 */
AnnaBridge 145:64910690c574 313 __STATIC_INLINE uint32_t LL_WWDG_IsEnabledIT_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 145:64910690c574 314 {
AnnaBridge 145:64910690c574 315 return (READ_BIT(WWDGx->CFR, WWDG_CFR_EWI) == (WWDG_CFR_EWI));
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 */
AnnaBridge 145:64910690c574 329
AnnaBridge 145:64910690c574 330 #endif /* WWDG */
AnnaBridge 145:64910690c574 331
AnnaBridge 145:64910690c574 332 /**
AnnaBridge 145:64910690c574 333 * @}
AnnaBridge 145:64910690c574 334 */
AnnaBridge 145:64910690c574 335
AnnaBridge 145:64910690c574 336 #ifdef __cplusplus
AnnaBridge 145:64910690c574 337 }
AnnaBridge 145:64910690c574 338 #endif
AnnaBridge 145:64910690c574 339
AnnaBridge 145:64910690c574 340 #endif /* __STM32F2xx_LL_WWDG_H */
AnnaBridge 145:64910690c574 341
AnnaBridge 145:64910690c574 342 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/