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TARGET_DISCO_F303VC/TARGET_STM/TARGET_STM32F3/device/stm32f3xx_ll_wwdg.h@163:e59c8e839560, 2018-03-20 (annotated)

Committer:
AnnaBridge
Date:
Tue Mar 20 13:30:58 2018 +0000
Revision:
163:e59c8e839560
Child:
168:b9e159c1930a
mbed library. Release version 160

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 163:e59c8e839560 1 /**
AnnaBridge 163:e59c8e839560 2 ******************************************************************************
AnnaBridge 163:e59c8e839560 3 * @file stm32f3xx_ll_wwdg.h
AnnaBridge 163:e59c8e839560 4 * @author MCD Application Team
AnnaBridge 163:e59c8e839560 5 * @version V1.4.0
AnnaBridge 163:e59c8e839560 6 * @date 16-December-2016
AnnaBridge 163:e59c8e839560 7 * @brief Header file of WWDG LL module.
AnnaBridge 163:e59c8e839560 8 ******************************************************************************
AnnaBridge 163:e59c8e839560 9 * @attention
AnnaBridge 163:e59c8e839560 10 *
AnnaBridge 163:e59c8e839560 11 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
AnnaBridge 163:e59c8e839560 12 *
AnnaBridge 163:e59c8e839560 13 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 163:e59c8e839560 14 * are permitted provided that the following conditions are met:
AnnaBridge 163:e59c8e839560 15 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 163:e59c8e839560 16 * this list of conditions and the following disclaimer.
AnnaBridge 163:e59c8e839560 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 163:e59c8e839560 18 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 163:e59c8e839560 19 * and/or other materials provided with the distribution.
AnnaBridge 163:e59c8e839560 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 163:e59c8e839560 21 * may be used to endorse or promote products derived from this software
AnnaBridge 163:e59c8e839560 22 * without specific prior written permission.
AnnaBridge 163:e59c8e839560 23 *
AnnaBridge 163:e59c8e839560 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 163:e59c8e839560 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 163:e59c8e839560 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 163:e59c8e839560 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 163:e59c8e839560 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 163:e59c8e839560 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 163:e59c8e839560 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 163:e59c8e839560 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 163:e59c8e839560 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 163:e59c8e839560 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 163:e59c8e839560 34 *
AnnaBridge 163:e59c8e839560 35 ******************************************************************************
AnnaBridge 163:e59c8e839560 36 */
AnnaBridge 163:e59c8e839560 37
AnnaBridge 163:e59c8e839560 38 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 163:e59c8e839560 39 #ifndef __STM32F3xx_LL_WWDG_H
AnnaBridge 163:e59c8e839560 40 #define __STM32F3xx_LL_WWDG_H
AnnaBridge 163:e59c8e839560 41
AnnaBridge 163:e59c8e839560 42 #ifdef __cplusplus
AnnaBridge 163:e59c8e839560 43 extern "C" {
AnnaBridge 163:e59c8e839560 44 #endif
AnnaBridge 163:e59c8e839560 45
AnnaBridge 163:e59c8e839560 46 /* Includes ------------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 47 #include "stm32f3xx.h"
AnnaBridge 163:e59c8e839560 48
AnnaBridge 163:e59c8e839560 49 /** @addtogroup STM32F3xx_LL_Driver
AnnaBridge 163:e59c8e839560 50 * @{
AnnaBridge 163:e59c8e839560 51 */
AnnaBridge 163:e59c8e839560 52
AnnaBridge 163:e59c8e839560 53 #if defined (WWDG)
AnnaBridge 163:e59c8e839560 54
AnnaBridge 163:e59c8e839560 55 /** @defgroup WWDG_LL WWDG
AnnaBridge 163:e59c8e839560 56 * @{
AnnaBridge 163:e59c8e839560 57 */
AnnaBridge 163:e59c8e839560 58
AnnaBridge 163:e59c8e839560 59 /* Private types -------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 60 /* Private variables ---------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 61
AnnaBridge 163:e59c8e839560 62 /* Private constants ---------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 63
AnnaBridge 163:e59c8e839560 64 /* Private macros ------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 65
AnnaBridge 163:e59c8e839560 66 /* Exported types ------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 67 /* Exported constants --------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 68 /** @defgroup WWDG_LL_Exported_Constants WWDG Exported Constants
AnnaBridge 163:e59c8e839560 69 * @{
AnnaBridge 163:e59c8e839560 70 */
AnnaBridge 163:e59c8e839560 71
AnnaBridge 163:e59c8e839560 72
AnnaBridge 163:e59c8e839560 73 /** @defgroup WWDG_LL_EC_IT IT Defines
AnnaBridge 163:e59c8e839560 74 * @brief IT defines which can be used with LL_WWDG_ReadReg and LL_WWDG_WriteReg functions
AnnaBridge 163:e59c8e839560 75 * @{
AnnaBridge 163:e59c8e839560 76 */
AnnaBridge 163:e59c8e839560 77 #define LL_WWDG_CFR_EWI WWDG_CFR_EWI
AnnaBridge 163:e59c8e839560 78 /**
AnnaBridge 163:e59c8e839560 79 * @}
AnnaBridge 163:e59c8e839560 80 */
AnnaBridge 163:e59c8e839560 81
AnnaBridge 163:e59c8e839560 82 /** @defgroup WWDG_LL_EC_PRESCALER PRESCALER
AnnaBridge 163:e59c8e839560 83 * @{
AnnaBridge 163:e59c8e839560 84 */
AnnaBridge 163:e59c8e839560 85 #define LL_WWDG_PRESCALER_1 (uint32_t)0x00000000U /*!< WWDG counter clock = (PCLK1/4096)/1 */
AnnaBridge 163:e59c8e839560 86 #define LL_WWDG_PRESCALER_2 WWDG_CFR_WDGTB_0 /*!< WWDG counter clock = (PCLK1/4096)/2 */
AnnaBridge 163:e59c8e839560 87 #define LL_WWDG_PRESCALER_4 WWDG_CFR_WDGTB_1 /*!< WWDG counter clock = (PCLK1/4096)/4 */
AnnaBridge 163:e59c8e839560 88 #define LL_WWDG_PRESCALER_8 (WWDG_CFR_WDGTB_0 | WWDG_CFR_WDGTB_1) /*!< WWDG counter clock = (PCLK1/4096)/8 */
AnnaBridge 163:e59c8e839560 89 /**
AnnaBridge 163:e59c8e839560 90 * @}
AnnaBridge 163:e59c8e839560 91 */
AnnaBridge 163:e59c8e839560 92
AnnaBridge 163:e59c8e839560 93 /**
AnnaBridge 163:e59c8e839560 94 * @}
AnnaBridge 163:e59c8e839560 95 */
AnnaBridge 163:e59c8e839560 96
AnnaBridge 163:e59c8e839560 97 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 98 /** @defgroup WWDG_LL_Exported_Macros WWDG Exported Macros
AnnaBridge 163:e59c8e839560 99 * @{
AnnaBridge 163:e59c8e839560 100 */
AnnaBridge 163:e59c8e839560 101 /** @defgroup WWDG_LL_EM_WRITE_READ Common Write and read registers macros
AnnaBridge 163:e59c8e839560 102 * @{
AnnaBridge 163:e59c8e839560 103 */
AnnaBridge 163:e59c8e839560 104 /**
AnnaBridge 163:e59c8e839560 105 * @brief Write a value in WWDG register
AnnaBridge 163:e59c8e839560 106 * @param __INSTANCE__ WWDG Instance
AnnaBridge 163:e59c8e839560 107 * @param __REG__ Register to be written
AnnaBridge 163:e59c8e839560 108 * @param __VALUE__ Value to be written in the register
AnnaBridge 163:e59c8e839560 109 * @retval None
AnnaBridge 163:e59c8e839560 110 */
AnnaBridge 163:e59c8e839560 111 #define LL_WWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
AnnaBridge 163:e59c8e839560 112
AnnaBridge 163:e59c8e839560 113 /**
AnnaBridge 163:e59c8e839560 114 * @brief Read a value in WWDG register
AnnaBridge 163:e59c8e839560 115 * @param __INSTANCE__ WWDG Instance
AnnaBridge 163:e59c8e839560 116 * @param __REG__ Register to be read
AnnaBridge 163:e59c8e839560 117 * @retval Register value
AnnaBridge 163:e59c8e839560 118 */
AnnaBridge 163:e59c8e839560 119 #define LL_WWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
AnnaBridge 163:e59c8e839560 120 /**
AnnaBridge 163:e59c8e839560 121 * @}
AnnaBridge 163:e59c8e839560 122 */
AnnaBridge 163:e59c8e839560 123
AnnaBridge 163:e59c8e839560 124
AnnaBridge 163:e59c8e839560 125 /**
AnnaBridge 163:e59c8e839560 126 * @}
AnnaBridge 163:e59c8e839560 127 */
AnnaBridge 163:e59c8e839560 128
AnnaBridge 163:e59c8e839560 129 /* Exported functions --------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 130 /** @defgroup WWDG_LL_Exported_Functions WWDG Exported Functions
AnnaBridge 163:e59c8e839560 131 * @{
AnnaBridge 163:e59c8e839560 132 */
AnnaBridge 163:e59c8e839560 133
AnnaBridge 163:e59c8e839560 134 /** @defgroup WWDG_LL_EF_Configuration Configuration
AnnaBridge 163:e59c8e839560 135 * @{
AnnaBridge 163:e59c8e839560 136 */
AnnaBridge 163:e59c8e839560 137 /**
AnnaBridge 163:e59c8e839560 138 * @brief Enable Window Watchdog. The watchdog is always disabled after a reset.
AnnaBridge 163:e59c8e839560 139 * @note It is enabled by setting the WDGA bit in the WWDG_CR register,
AnnaBridge 163:e59c8e839560 140 * then it cannot be disabled again except by a reset.
AnnaBridge 163:e59c8e839560 141 * This bit is set by software and only cleared by hardware after a reset.
AnnaBridge 163:e59c8e839560 142 * When WDGA = 1, the watchdog can generate a reset.
AnnaBridge 163:e59c8e839560 143 * @rmtoll CR WDGA LL_WWDG_Enable
AnnaBridge 163:e59c8e839560 144 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 145 * @retval None
AnnaBridge 163:e59c8e839560 146 */
AnnaBridge 163:e59c8e839560 147 __STATIC_INLINE void LL_WWDG_Enable(WWDG_TypeDef *WWDGx)
AnnaBridge 163:e59c8e839560 148 {
AnnaBridge 163:e59c8e839560 149 SET_BIT(WWDGx->CR, WWDG_CR_WDGA);
AnnaBridge 163:e59c8e839560 150 }
AnnaBridge 163:e59c8e839560 151
AnnaBridge 163:e59c8e839560 152 /**
AnnaBridge 163:e59c8e839560 153 * @brief Checks if Window Watchdog is enabled
AnnaBridge 163:e59c8e839560 154 * @rmtoll CR WDGA LL_WWDG_IsEnabled
AnnaBridge 163:e59c8e839560 155 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 156 * @retval State of bit (1 or 0).
AnnaBridge 163:e59c8e839560 157 */
AnnaBridge 163:e59c8e839560 158 __STATIC_INLINE uint32_t LL_WWDG_IsEnabled(WWDG_TypeDef *WWDGx)
AnnaBridge 163:e59c8e839560 159 {
AnnaBridge 163:e59c8e839560 160 return (READ_BIT(WWDGx->CR, WWDG_CR_WDGA) == (WWDG_CR_WDGA));
AnnaBridge 163:e59c8e839560 161 }
AnnaBridge 163:e59c8e839560 162
AnnaBridge 163:e59c8e839560 163 /**
AnnaBridge 163:e59c8e839560 164 * @brief Set the Watchdog counter value to provided value (7-bits T[6:0])
AnnaBridge 163:e59c8e839560 165 * @note When writing to the WWDG_CR register, always write 1 in the MSB b6 to avoid generating an immediate reset
AnnaBridge 163:e59c8e839560 166 * This counter is decremented every (4096 x 2expWDGTB) PCLK cycles
AnnaBridge 163:e59c8e839560 167 * A reset is produced when it rolls over from 0x40 to 0x3F (bit T6 becomes cleared)
AnnaBridge 163:e59c8e839560 168 * Setting the counter lower then 0x40 causes an immediate reset (if WWDG enabled)
AnnaBridge 163:e59c8e839560 169 * @rmtoll CR T LL_WWDG_SetCounter
AnnaBridge 163:e59c8e839560 170 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 171 * @param Counter 0..0x7F (7 bit counter value)
AnnaBridge 163:e59c8e839560 172 * @retval None
AnnaBridge 163:e59c8e839560 173 */
AnnaBridge 163:e59c8e839560 174 __STATIC_INLINE void LL_WWDG_SetCounter(WWDG_TypeDef *WWDGx, uint32_t Counter)
AnnaBridge 163:e59c8e839560 175 {
AnnaBridge 163:e59c8e839560 176 MODIFY_REG(WWDGx->CR, WWDG_CR_T, Counter);
AnnaBridge 163:e59c8e839560 177 }
AnnaBridge 163:e59c8e839560 178
AnnaBridge 163:e59c8e839560 179 /**
AnnaBridge 163:e59c8e839560 180 * @brief Return current Watchdog Counter Value (7 bits counter value)
AnnaBridge 163:e59c8e839560 181 * @rmtoll CR T LL_WWDG_GetCounter
AnnaBridge 163:e59c8e839560 182 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 183 * @retval 7 bit Watchdog Counter value
AnnaBridge 163:e59c8e839560 184 */
AnnaBridge 163:e59c8e839560 185 __STATIC_INLINE uint32_t LL_WWDG_GetCounter(WWDG_TypeDef *WWDGx)
AnnaBridge 163:e59c8e839560 186 {
AnnaBridge 163:e59c8e839560 187 return (uint32_t)(READ_BIT(WWDGx->CR, WWDG_CR_T));
AnnaBridge 163:e59c8e839560 188 }
AnnaBridge 163:e59c8e839560 189
AnnaBridge 163:e59c8e839560 190 /**
AnnaBridge 163:e59c8e839560 191 * @brief Set the time base of the prescaler (WDGTB).
AnnaBridge 163:e59c8e839560 192 * @note Prescaler is used to apply ratio on PCLK clock, so that Watchdog counter
AnnaBridge 163:e59c8e839560 193 * is decremented every (4096 x 2expWDGTB) PCLK cycles
AnnaBridge 163:e59c8e839560 194 * @rmtoll CFR WDGTB LL_WWDG_SetPrescaler
AnnaBridge 163:e59c8e839560 195 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 196 * @param Prescaler This parameter can be one of the following values:
AnnaBridge 163:e59c8e839560 197 * @arg @ref LL_WWDG_PRESCALER_1
AnnaBridge 163:e59c8e839560 198 * @arg @ref LL_WWDG_PRESCALER_2
AnnaBridge 163:e59c8e839560 199 * @arg @ref LL_WWDG_PRESCALER_4
AnnaBridge 163:e59c8e839560 200 * @arg @ref LL_WWDG_PRESCALER_8
AnnaBridge 163:e59c8e839560 201 * @retval None
AnnaBridge 163:e59c8e839560 202 */
AnnaBridge 163:e59c8e839560 203 __STATIC_INLINE void LL_WWDG_SetPrescaler(WWDG_TypeDef *WWDGx, uint32_t Prescaler)
AnnaBridge 163:e59c8e839560 204 {
AnnaBridge 163:e59c8e839560 205 MODIFY_REG(WWDGx->CFR, WWDG_CFR_WDGTB, Prescaler);
AnnaBridge 163:e59c8e839560 206 }
AnnaBridge 163:e59c8e839560 207
AnnaBridge 163:e59c8e839560 208 /**
AnnaBridge 163:e59c8e839560 209 * @brief Return current Watchdog Prescaler Value
AnnaBridge 163:e59c8e839560 210 * @rmtoll CFR WDGTB LL_WWDG_GetPrescaler
AnnaBridge 163:e59c8e839560 211 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 212 * @retval Returned value can be one of the following values:
AnnaBridge 163:e59c8e839560 213 * @arg @ref LL_WWDG_PRESCALER_1
AnnaBridge 163:e59c8e839560 214 * @arg @ref LL_WWDG_PRESCALER_2
AnnaBridge 163:e59c8e839560 215 * @arg @ref LL_WWDG_PRESCALER_4
AnnaBridge 163:e59c8e839560 216 * @arg @ref LL_WWDG_PRESCALER_8
AnnaBridge 163:e59c8e839560 217 */
AnnaBridge 163:e59c8e839560 218 __STATIC_INLINE uint32_t LL_WWDG_GetPrescaler(WWDG_TypeDef *WWDGx)
AnnaBridge 163:e59c8e839560 219 {
AnnaBridge 163:e59c8e839560 220 return (uint32_t)(READ_BIT(WWDGx->CFR, WWDG_CFR_WDGTB));
AnnaBridge 163:e59c8e839560 221 }
AnnaBridge 163:e59c8e839560 222
AnnaBridge 163:e59c8e839560 223 /**
AnnaBridge 163:e59c8e839560 224 * @brief Set the Watchdog Window value to be compared to the downcounter (7-bits W[6:0]).
AnnaBridge 163:e59c8e839560 225 * @note This window value defines when write in the WWDG_CR register
AnnaBridge 163:e59c8e839560 226 * to program Watchdog counter is allowed.
AnnaBridge 163:e59c8e839560 227 * Watchdog counter value update must occur only when the counter value
AnnaBridge 163:e59c8e839560 228 * is lower than the Watchdog window register value.
AnnaBridge 163:e59c8e839560 229 * Otherwise, a MCU reset is generated if the 7-bit Watchdog counter value
AnnaBridge 163:e59c8e839560 230 * (in the control register) is refreshed before the downcounter has reached
AnnaBridge 163:e59c8e839560 231 * the watchdog window register value.
AnnaBridge 163:e59c8e839560 232 * Physically is possible to set the Window lower then 0x40 but it is not recommended.
AnnaBridge 163:e59c8e839560 233 * To generate an immediate reset, it is possible to set the Counter lower than 0x40.
AnnaBridge 163:e59c8e839560 234 * @rmtoll CFR W LL_WWDG_SetWindow
AnnaBridge 163:e59c8e839560 235 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 236 * @param Window 0x00..0x7F (7 bit Window value)
AnnaBridge 163:e59c8e839560 237 * @retval None
AnnaBridge 163:e59c8e839560 238 */
AnnaBridge 163:e59c8e839560 239 __STATIC_INLINE void LL_WWDG_SetWindow(WWDG_TypeDef *WWDGx, uint32_t Window)
AnnaBridge 163:e59c8e839560 240 {
AnnaBridge 163:e59c8e839560 241 MODIFY_REG(WWDGx->CFR, WWDG_CFR_W, Window);
AnnaBridge 163:e59c8e839560 242 }
AnnaBridge 163:e59c8e839560 243
AnnaBridge 163:e59c8e839560 244 /**
AnnaBridge 163:e59c8e839560 245 * @brief Return current Watchdog Window Value (7 bits value)
AnnaBridge 163:e59c8e839560 246 * @rmtoll CFR W LL_WWDG_GetWindow
AnnaBridge 163:e59c8e839560 247 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 248 * @retval 7 bit Watchdog Window value
AnnaBridge 163:e59c8e839560 249 */
AnnaBridge 163:e59c8e839560 250 __STATIC_INLINE uint32_t LL_WWDG_GetWindow(WWDG_TypeDef *WWDGx)
AnnaBridge 163:e59c8e839560 251 {
AnnaBridge 163:e59c8e839560 252 return (uint32_t)(READ_BIT(WWDGx->CFR, WWDG_CFR_W));
AnnaBridge 163:e59c8e839560 253 }
AnnaBridge 163:e59c8e839560 254
AnnaBridge 163:e59c8e839560 255 /**
AnnaBridge 163:e59c8e839560 256 * @}
AnnaBridge 163:e59c8e839560 257 */
AnnaBridge 163:e59c8e839560 258
AnnaBridge 163:e59c8e839560 259 /** @defgroup WWDG_LL_EF_FLAG_Management FLAG_Management
AnnaBridge 163:e59c8e839560 260 * @{
AnnaBridge 163:e59c8e839560 261 */
AnnaBridge 163:e59c8e839560 262 /**
AnnaBridge 163:e59c8e839560 263 * @brief Indicates if the WWDG Early Wakeup Interrupt Flag is set or not.
AnnaBridge 163:e59c8e839560 264 * @note This bit is set by hardware when the counter has reached the value 0x40.
AnnaBridge 163:e59c8e839560 265 * It must be cleared by software by writing 0.
AnnaBridge 163:e59c8e839560 266 * A write of 1 has no effect. This bit is also set if the interrupt is not enabled.
AnnaBridge 163:e59c8e839560 267 * @rmtoll SR EWIF LL_WWDG_IsActiveFlag_EWKUP
AnnaBridge 163:e59c8e839560 268 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 269 * @retval State of bit (1 or 0).
AnnaBridge 163:e59c8e839560 270 */
AnnaBridge 163:e59c8e839560 271 __STATIC_INLINE uint32_t LL_WWDG_IsActiveFlag_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 163:e59c8e839560 272 {
AnnaBridge 163:e59c8e839560 273 return (READ_BIT(WWDGx->SR, WWDG_SR_EWIF) == (WWDG_SR_EWIF));
AnnaBridge 163:e59c8e839560 274 }
AnnaBridge 163:e59c8e839560 275
AnnaBridge 163:e59c8e839560 276 /**
AnnaBridge 163:e59c8e839560 277 * @brief Clear WWDG Early Wakeup Interrupt Flag (EWIF)
AnnaBridge 163:e59c8e839560 278 * @rmtoll SR EWIF LL_WWDG_ClearFlag_EWKUP
AnnaBridge 163:e59c8e839560 279 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 280 * @retval None
AnnaBridge 163:e59c8e839560 281 */
AnnaBridge 163:e59c8e839560 282 __STATIC_INLINE void LL_WWDG_ClearFlag_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 163:e59c8e839560 283 {
AnnaBridge 163:e59c8e839560 284 WRITE_REG(WWDGx->SR, ~WWDG_SR_EWIF);
AnnaBridge 163:e59c8e839560 285 }
AnnaBridge 163:e59c8e839560 286
AnnaBridge 163:e59c8e839560 287 /**
AnnaBridge 163:e59c8e839560 288 * @}
AnnaBridge 163:e59c8e839560 289 */
AnnaBridge 163:e59c8e839560 290
AnnaBridge 163:e59c8e839560 291 /** @defgroup WWDG_LL_EF_IT_Management IT_Management
AnnaBridge 163:e59c8e839560 292 * @{
AnnaBridge 163:e59c8e839560 293 */
AnnaBridge 163:e59c8e839560 294 /**
AnnaBridge 163:e59c8e839560 295 * @brief Enable the Early Wakeup Interrupt.
AnnaBridge 163:e59c8e839560 296 * @note When set, an interrupt occurs whenever the counter reaches value 0x40.
AnnaBridge 163:e59c8e839560 297 * This interrupt is only cleared by hardware after a reset
AnnaBridge 163:e59c8e839560 298 * @rmtoll CFR EWI LL_WWDG_EnableIT_EWKUP
AnnaBridge 163:e59c8e839560 299 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 300 * @retval None
AnnaBridge 163:e59c8e839560 301 */
AnnaBridge 163:e59c8e839560 302 __STATIC_INLINE void LL_WWDG_EnableIT_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 163:e59c8e839560 303 {
AnnaBridge 163:e59c8e839560 304 SET_BIT(WWDGx->CFR, WWDG_CFR_EWI);
AnnaBridge 163:e59c8e839560 305 }
AnnaBridge 163:e59c8e839560 306
AnnaBridge 163:e59c8e839560 307 /**
AnnaBridge 163:e59c8e839560 308 * @brief Check if Early Wakeup Interrupt is enabled
AnnaBridge 163:e59c8e839560 309 * @rmtoll CFR EWI LL_WWDG_IsEnabledIT_EWKUP
AnnaBridge 163:e59c8e839560 310 * @param WWDGx WWDG Instance
AnnaBridge 163:e59c8e839560 311 * @retval State of bit (1 or 0).
AnnaBridge 163:e59c8e839560 312 */
AnnaBridge 163:e59c8e839560 313 __STATIC_INLINE uint32_t LL_WWDG_IsEnabledIT_EWKUP(WWDG_TypeDef *WWDGx)
AnnaBridge 163:e59c8e839560 314 {
AnnaBridge 163:e59c8e839560 315 return (READ_BIT(WWDGx->CFR, WWDG_CFR_EWI) == (WWDG_CFR_EWI));
AnnaBridge 163:e59c8e839560 316 }
AnnaBridge 163:e59c8e839560 317
AnnaBridge 163:e59c8e839560 318 /**
AnnaBridge 163:e59c8e839560 319 * @}
AnnaBridge 163:e59c8e839560 320 */
AnnaBridge 163:e59c8e839560 321
AnnaBridge 163:e59c8e839560 322 /**
AnnaBridge 163:e59c8e839560 323 * @}
AnnaBridge 163:e59c8e839560 324 */
AnnaBridge 163:e59c8e839560 325
AnnaBridge 163:e59c8e839560 326 /**
AnnaBridge 163:e59c8e839560 327 * @}
AnnaBridge 163:e59c8e839560 328 */
AnnaBridge 163:e59c8e839560 329
AnnaBridge 163:e59c8e839560 330 #endif /* WWDG */
AnnaBridge 163:e59c8e839560 331
AnnaBridge 163:e59c8e839560 332 /**
AnnaBridge 163:e59c8e839560 333 * @}
AnnaBridge 163:e59c8e839560 334 */
AnnaBridge 163:e59c8e839560 335
AnnaBridge 163:e59c8e839560 336 #ifdef __cplusplus
AnnaBridge 163:e59c8e839560 337 }
AnnaBridge 163:e59c8e839560 338 #endif
AnnaBridge 163:e59c8e839560 339
AnnaBridge 163:e59c8e839560 340 #endif /* __STM32F3xx_LL_WWDG_H */
AnnaBridge 163:e59c8e839560 341
AnnaBridge 163:e59c8e839560 342 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/