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TARGET_NUCLEO_L011K4/TOOLCHAIN_ARM_MICRO/stm32l0xx_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_L072CZ_LRWAN1/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_ll_wwdg.h@167:84c0a372a020
mbed library. Release version 164
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| AnnaBridge | 143:86740a56073b | 1 | /** |
| AnnaBridge | 143:86740a56073b | 2 | ****************************************************************************** |
| AnnaBridge | 143:86740a56073b | 3 | * @file stm32l0xx_ll_wwdg.h |
| AnnaBridge | 143:86740a56073b | 4 | * @author MCD Application Team |
| AnnaBridge | 143:86740a56073b | 5 | * @brief Header file of WWDG LL module. |
| AnnaBridge | 143:86740a56073b | 6 | ****************************************************************************** |
| AnnaBridge | 143:86740a56073b | 7 | * @attention |
| AnnaBridge | 143:86740a56073b | 8 | * |
| AnnaBridge | 143:86740a56073b | 9 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
| AnnaBridge | 143:86740a56073b | 10 | * |
| AnnaBridge | 143:86740a56073b | 11 | * Redistribution and use in source and binary forms, with or without modification, |
| AnnaBridge | 143:86740a56073b | 12 | * are permitted provided that the following conditions are met: |
| AnnaBridge | 143:86740a56073b | 13 | * 1. Redistributions of source code must retain the above copyright notice, |
| AnnaBridge | 143:86740a56073b | 14 | * this list of conditions and the following disclaimer. |
| AnnaBridge | 143:86740a56073b | 15 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| AnnaBridge | 143:86740a56073b | 16 | * this list of conditions and the following disclaimer in the documentation |
| AnnaBridge | 143:86740a56073b | 17 | * and/or other materials provided with the distribution. |
| AnnaBridge | 143:86740a56073b | 18 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| AnnaBridge | 143:86740a56073b | 19 | * may be used to endorse or promote products derived from this software |
| AnnaBridge | 143:86740a56073b | 20 | * without specific prior written permission. |
| AnnaBridge | 143:86740a56073b | 21 | * |
| AnnaBridge | 143:86740a56073b | 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| AnnaBridge | 143:86740a56073b | 23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| AnnaBridge | 143:86740a56073b | 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| AnnaBridge | 143:86740a56073b | 25 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| AnnaBridge | 143:86740a56073b | 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| AnnaBridge | 143:86740a56073b | 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| AnnaBridge | 143:86740a56073b | 28 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| AnnaBridge | 143:86740a56073b | 29 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| AnnaBridge | 143:86740a56073b | 30 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| AnnaBridge | 143:86740a56073b | 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| AnnaBridge | 143:86740a56073b | 32 | * |
| AnnaBridge | 143:86740a56073b | 33 | ****************************************************************************** |
| AnnaBridge | 143:86740a56073b | 34 | */ |
| AnnaBridge | 143:86740a56073b | 35 | |
| AnnaBridge | 143:86740a56073b | 36 | /* Define to prevent recursive inclusion -------------------------------------*/ |
| AnnaBridge | 143:86740a56073b | 37 | #ifndef __STM32L0xx_LL_WWDG_H |
| AnnaBridge | 143:86740a56073b | 38 | #define __STM32L0xx_LL_WWDG_H |
| AnnaBridge | 143:86740a56073b | 39 | |
| AnnaBridge | 143:86740a56073b | 40 | #ifdef __cplusplus |
| AnnaBridge | 143:86740a56073b | 41 | extern "C" { |
| AnnaBridge | 143:86740a56073b | 42 | #endif |
| AnnaBridge | 143:86740a56073b | 43 | |
| AnnaBridge | 143:86740a56073b | 44 | /* Includes ------------------------------------------------------------------*/ |
| AnnaBridge | 143:86740a56073b | 45 | #include "stm32l0xx.h" |
| AnnaBridge | 143:86740a56073b | 46 | |
| AnnaBridge | 143:86740a56073b | 47 | /** @addtogroup STM32L0xx_LL_Driver |
| AnnaBridge | 143:86740a56073b | 48 | * @{ |
| AnnaBridge | 143:86740a56073b | 49 | */ |
| AnnaBridge | 143:86740a56073b | 50 | |
| AnnaBridge | 143:86740a56073b | 51 | #if defined (WWDG) |
| AnnaBridge | 143:86740a56073b | 52 | |
| AnnaBridge | 143:86740a56073b | 53 | /** @defgroup WWDG_LL WWDG |
| AnnaBridge | 143:86740a56073b | 54 | * @{ |
| AnnaBridge | 143:86740a56073b | 55 | */ |
| AnnaBridge | 143:86740a56073b | 56 | |
| AnnaBridge | 143:86740a56073b | 57 | /* Private types -------------------------------------------------------------*/ |
| AnnaBridge | 143:86740a56073b | 58 | /* Private variables ---------------------------------------------------------*/ |
| AnnaBridge | 143:86740a56073b | 59 | |
| AnnaBridge | 143:86740a56073b | 60 | /* Private constants ---------------------------------------------------------*/ |
| AnnaBridge | 143:86740a56073b | 61 | |
| AnnaBridge | 143:86740a56073b | 62 | /* Private macros ------------------------------------------------------------*/ |
| AnnaBridge | 143:86740a56073b | 63 | |
| AnnaBridge | 143:86740a56073b | 64 | /* Exported types ------------------------------------------------------------*/ |
| AnnaBridge | 143:86740a56073b | 65 | /* Exported constants --------------------------------------------------------*/ |
| AnnaBridge | 143:86740a56073b | 66 | /** @defgroup WWDG_LL_Exported_Constants WWDG Exported Constants |
| AnnaBridge | 143:86740a56073b | 67 | * @{ |
| AnnaBridge | 143:86740a56073b | 68 | */ |
| AnnaBridge | 143:86740a56073b | 69 | |
| AnnaBridge | 143:86740a56073b | 70 | |
| AnnaBridge | 143:86740a56073b | 71 | /** @defgroup WWDG_LL_EC_IT IT Defines |
| AnnaBridge | 143:86740a56073b | 72 | * @brief IT defines which can be used with LL_WWDG_ReadReg and LL_WWDG_WriteReg functions |
| AnnaBridge | 143:86740a56073b | 73 | * @{ |
| AnnaBridge | 143:86740a56073b | 74 | */ |
| AnnaBridge | 143:86740a56073b | 75 | #define LL_WWDG_CFR_EWI WWDG_CFR_EWI |
| AnnaBridge | 143:86740a56073b | 76 | /** |
| AnnaBridge | 143:86740a56073b | 77 | * @} |
| AnnaBridge | 143:86740a56073b | 78 | */ |
| AnnaBridge | 143:86740a56073b | 79 | |
| AnnaBridge | 143:86740a56073b | 80 | /** @defgroup WWDG_LL_EC_PRESCALER PRESCALER |
| AnnaBridge | 143:86740a56073b | 81 | * @{ |
| AnnaBridge | 143:86740a56073b | 82 | */ |
| AnnaBridge | 143:86740a56073b | 83 | #define LL_WWDG_PRESCALER_1 (uint32_t)0x00000000U /*!< WWDG counter clock = (PCLK1/4096)/1 */ |
| AnnaBridge | 143:86740a56073b | 84 | #define LL_WWDG_PRESCALER_2 WWDG_CFR_WDGTB_0 /*!< WWDG counter clock = (PCLK1/4096)/2 */ |
| AnnaBridge | 143:86740a56073b | 85 | #define LL_WWDG_PRESCALER_4 WWDG_CFR_WDGTB_1 /*!< WWDG counter clock = (PCLK1/4096)/4 */ |
| AnnaBridge | 143:86740a56073b | 86 | #define LL_WWDG_PRESCALER_8 (WWDG_CFR_WDGTB_0 | WWDG_CFR_WDGTB_1) /*!< WWDG counter clock = (PCLK1/4096)/8 */ |
| AnnaBridge | 143:86740a56073b | 87 | /** |
| AnnaBridge | 143:86740a56073b | 88 | * @} |
| AnnaBridge | 143:86740a56073b | 89 | */ |
| AnnaBridge | 143:86740a56073b | 90 | |
| AnnaBridge | 143:86740a56073b | 91 | /** |
| AnnaBridge | 143:86740a56073b | 92 | * @} |
| AnnaBridge | 143:86740a56073b | 93 | */ |
| AnnaBridge | 143:86740a56073b | 94 | |
| AnnaBridge | 143:86740a56073b | 95 | /* Exported macro ------------------------------------------------------------*/ |
| AnnaBridge | 143:86740a56073b | 96 | /** @defgroup WWDG_LL_Exported_Macros WWDG Exported Macros |
| AnnaBridge | 143:86740a56073b | 97 | * @{ |
| AnnaBridge | 143:86740a56073b | 98 | */ |
| AnnaBridge | 143:86740a56073b | 99 | /** @defgroup WWDG_LL_EM_WRITE_READ Common Write and read registers macros |
| AnnaBridge | 143:86740a56073b | 100 | * @{ |
| AnnaBridge | 143:86740a56073b | 101 | */ |
| AnnaBridge | 143:86740a56073b | 102 | /** |
| AnnaBridge | 143:86740a56073b | 103 | * @brief Write a value in WWDG register |
| AnnaBridge | 143:86740a56073b | 104 | * @param __INSTANCE__ WWDG Instance |
| AnnaBridge | 143:86740a56073b | 105 | * @param __REG__ Register to be written |
| AnnaBridge | 143:86740a56073b | 106 | * @param __VALUE__ Value to be written in the register |
| AnnaBridge | 143:86740a56073b | 107 | * @retval None |
| AnnaBridge | 143:86740a56073b | 108 | */ |
| AnnaBridge | 143:86740a56073b | 109 | #define LL_WWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) |
| AnnaBridge | 143:86740a56073b | 110 | |
| AnnaBridge | 143:86740a56073b | 111 | /** |
| AnnaBridge | 143:86740a56073b | 112 | * @brief Read a value in WWDG register |
| AnnaBridge | 143:86740a56073b | 113 | * @param __INSTANCE__ WWDG Instance |
| AnnaBridge | 143:86740a56073b | 114 | * @param __REG__ Register to be read |
| AnnaBridge | 143:86740a56073b | 115 | * @retval Register value |
| AnnaBridge | 143:86740a56073b | 116 | */ |
| AnnaBridge | 143:86740a56073b | 117 | #define LL_WWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) |
| AnnaBridge | 143:86740a56073b | 118 | /** |
| AnnaBridge | 143:86740a56073b | 119 | * @} |
| AnnaBridge | 143:86740a56073b | 120 | */ |
| AnnaBridge | 143:86740a56073b | 121 | |
| AnnaBridge | 143:86740a56073b | 122 | |
| AnnaBridge | 143:86740a56073b | 123 | /** |
| AnnaBridge | 143:86740a56073b | 124 | * @} |
| AnnaBridge | 143:86740a56073b | 125 | */ |
| AnnaBridge | 143:86740a56073b | 126 | |
| AnnaBridge | 143:86740a56073b | 127 | /* Exported functions --------------------------------------------------------*/ |
| AnnaBridge | 143:86740a56073b | 128 | /** @defgroup WWDG_LL_Exported_Functions WWDG Exported Functions |
| AnnaBridge | 143:86740a56073b | 129 | * @{ |
| AnnaBridge | 143:86740a56073b | 130 | */ |
| AnnaBridge | 143:86740a56073b | 131 | |
| AnnaBridge | 143:86740a56073b | 132 | /** @defgroup WWDG_LL_EF_Configuration Configuration |
| AnnaBridge | 143:86740a56073b | 133 | * @{ |
| AnnaBridge | 143:86740a56073b | 134 | */ |
| AnnaBridge | 143:86740a56073b | 135 | /** |
| AnnaBridge | 143:86740a56073b | 136 | * @brief Enable Window Watchdog. The watchdog is always disabled after a reset. |
| AnnaBridge | 143:86740a56073b | 137 | * @note It is enabled by setting the WDGA bit in the WWDG_CR register, |
| AnnaBridge | 143:86740a56073b | 138 | * then it cannot be disabled again except by a reset. |
| AnnaBridge | 143:86740a56073b | 139 | * This bit is set by software and only cleared by hardware after a reset. |
| AnnaBridge | 143:86740a56073b | 140 | * When WDGA = 1, the watchdog can generate a reset. |
| AnnaBridge | 143:86740a56073b | 141 | * @rmtoll CR WDGA LL_WWDG_Enable |
| AnnaBridge | 143:86740a56073b | 142 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 143 | * @retval None |
| AnnaBridge | 143:86740a56073b | 144 | */ |
| AnnaBridge | 143:86740a56073b | 145 | __STATIC_INLINE void LL_WWDG_Enable(WWDG_TypeDef *WWDGx) |
| AnnaBridge | 143:86740a56073b | 146 | { |
| AnnaBridge | 143:86740a56073b | 147 | SET_BIT(WWDGx->CR, WWDG_CR_WDGA); |
| AnnaBridge | 143:86740a56073b | 148 | } |
| AnnaBridge | 143:86740a56073b | 149 | |
| AnnaBridge | 143:86740a56073b | 150 | /** |
| AnnaBridge | 143:86740a56073b | 151 | * @brief Checks if Window Watchdog is enabled |
| AnnaBridge | 143:86740a56073b | 152 | * @rmtoll CR WDGA LL_WWDG_IsEnabled |
| AnnaBridge | 143:86740a56073b | 153 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 154 | * @retval State of bit (1 or 0). |
| AnnaBridge | 143:86740a56073b | 155 | */ |
| AnnaBridge | 143:86740a56073b | 156 | __STATIC_INLINE uint32_t LL_WWDG_IsEnabled(WWDG_TypeDef *WWDGx) |
| AnnaBridge | 143:86740a56073b | 157 | { |
| AnnaBridge | 143:86740a56073b | 158 | return (READ_BIT(WWDGx->CR, WWDG_CR_WDGA) == (WWDG_CR_WDGA)); |
| AnnaBridge | 143:86740a56073b | 159 | } |
| AnnaBridge | 143:86740a56073b | 160 | |
| AnnaBridge | 143:86740a56073b | 161 | /** |
| AnnaBridge | 143:86740a56073b | 162 | * @brief Set the Watchdog counter value to provided value (7-bits T[6:0]) |
| AnnaBridge | 143:86740a56073b | 163 | * @note When writing to the WWDG_CR register, always write 1 in the MSB b6 to avoid generating an immediate reset |
| AnnaBridge | 143:86740a56073b | 164 | * This counter is decremented every (4096 x 2expWDGTB) PCLK cycles |
| AnnaBridge | 143:86740a56073b | 165 | * A reset is produced when it rolls over from 0x40 to 0x3F (bit T6 becomes cleared) |
| AnnaBridge | 143:86740a56073b | 166 | * Setting the counter lower then 0x40 causes an immediate reset (if WWDG enabled) |
| AnnaBridge | 143:86740a56073b | 167 | * @rmtoll CR T LL_WWDG_SetCounter |
| AnnaBridge | 143:86740a56073b | 168 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 169 | * @param Counter 0..0x7F (7 bit counter value) |
| AnnaBridge | 143:86740a56073b | 170 | * @retval None |
| AnnaBridge | 143:86740a56073b | 171 | */ |
| AnnaBridge | 143:86740a56073b | 172 | __STATIC_INLINE void LL_WWDG_SetCounter(WWDG_TypeDef *WWDGx, uint32_t Counter) |
| AnnaBridge | 143:86740a56073b | 173 | { |
| AnnaBridge | 143:86740a56073b | 174 | MODIFY_REG(WWDGx->CR, WWDG_CR_T, Counter); |
| AnnaBridge | 143:86740a56073b | 175 | } |
| AnnaBridge | 143:86740a56073b | 176 | |
| AnnaBridge | 143:86740a56073b | 177 | /** |
| AnnaBridge | 143:86740a56073b | 178 | * @brief Return current Watchdog Counter Value (7 bits counter value) |
| AnnaBridge | 143:86740a56073b | 179 | * @rmtoll CR T LL_WWDG_GetCounter |
| AnnaBridge | 143:86740a56073b | 180 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 181 | * @retval 7 bit Watchdog Counter value |
| AnnaBridge | 143:86740a56073b | 182 | */ |
| AnnaBridge | 143:86740a56073b | 183 | __STATIC_INLINE uint32_t LL_WWDG_GetCounter(WWDG_TypeDef *WWDGx) |
| AnnaBridge | 143:86740a56073b | 184 | { |
| AnnaBridge | 143:86740a56073b | 185 | return (uint32_t)(READ_BIT(WWDGx->CR, WWDG_CR_T)); |
| AnnaBridge | 143:86740a56073b | 186 | } |
| AnnaBridge | 143:86740a56073b | 187 | |
| AnnaBridge | 143:86740a56073b | 188 | /** |
| AnnaBridge | 143:86740a56073b | 189 | * @brief Set the time base of the prescaler (WDGTB). |
| AnnaBridge | 143:86740a56073b | 190 | * @note Prescaler is used to apply ratio on PCLK clock, so that Watchdog counter |
| AnnaBridge | 143:86740a56073b | 191 | * is decremented every (4096 x 2expWDGTB) PCLK cycles |
| AnnaBridge | 143:86740a56073b | 192 | * @rmtoll CFR WDGTB LL_WWDG_SetPrescaler |
| AnnaBridge | 143:86740a56073b | 193 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 194 | * @param Prescaler This parameter can be one of the following values: |
| AnnaBridge | 143:86740a56073b | 195 | * @arg @ref LL_WWDG_PRESCALER_1 |
| AnnaBridge | 143:86740a56073b | 196 | * @arg @ref LL_WWDG_PRESCALER_2 |
| AnnaBridge | 143:86740a56073b | 197 | * @arg @ref LL_WWDG_PRESCALER_4 |
| AnnaBridge | 143:86740a56073b | 198 | * @arg @ref LL_WWDG_PRESCALER_8 |
| AnnaBridge | 143:86740a56073b | 199 | * @retval None |
| AnnaBridge | 143:86740a56073b | 200 | */ |
| AnnaBridge | 143:86740a56073b | 201 | __STATIC_INLINE void LL_WWDG_SetPrescaler(WWDG_TypeDef *WWDGx, uint32_t Prescaler) |
| AnnaBridge | 143:86740a56073b | 202 | { |
| AnnaBridge | 143:86740a56073b | 203 | MODIFY_REG(WWDGx->CFR, WWDG_CFR_WDGTB, Prescaler); |
| AnnaBridge | 143:86740a56073b | 204 | } |
| AnnaBridge | 143:86740a56073b | 205 | |
| AnnaBridge | 143:86740a56073b | 206 | /** |
| AnnaBridge | 143:86740a56073b | 207 | * @brief Return current Watchdog Prescaler Value |
| AnnaBridge | 143:86740a56073b | 208 | * @rmtoll CFR WDGTB LL_WWDG_GetPrescaler |
| AnnaBridge | 143:86740a56073b | 209 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 210 | * @retval Returned value can be one of the following values: |
| AnnaBridge | 143:86740a56073b | 211 | * @arg @ref LL_WWDG_PRESCALER_1 |
| AnnaBridge | 143:86740a56073b | 212 | * @arg @ref LL_WWDG_PRESCALER_2 |
| AnnaBridge | 143:86740a56073b | 213 | * @arg @ref LL_WWDG_PRESCALER_4 |
| AnnaBridge | 143:86740a56073b | 214 | * @arg @ref LL_WWDG_PRESCALER_8 |
| AnnaBridge | 143:86740a56073b | 215 | */ |
| AnnaBridge | 143:86740a56073b | 216 | __STATIC_INLINE uint32_t LL_WWDG_GetPrescaler(WWDG_TypeDef *WWDGx) |
| AnnaBridge | 143:86740a56073b | 217 | { |
| AnnaBridge | 143:86740a56073b | 218 | return (uint32_t)(READ_BIT(WWDGx->CFR, WWDG_CFR_WDGTB)); |
| AnnaBridge | 143:86740a56073b | 219 | } |
| AnnaBridge | 143:86740a56073b | 220 | |
| AnnaBridge | 143:86740a56073b | 221 | /** |
| AnnaBridge | 143:86740a56073b | 222 | * @brief Set the Watchdog Window value to be compared to the downcounter (7-bits W[6:0]). |
| AnnaBridge | 143:86740a56073b | 223 | * @note This window value defines when write in the WWDG_CR register |
| AnnaBridge | 143:86740a56073b | 224 | * to program Watchdog counter is allowed. |
| AnnaBridge | 143:86740a56073b | 225 | * Watchdog counter value update must occur only when the counter value |
| AnnaBridge | 143:86740a56073b | 226 | * is lower than the Watchdog window register value. |
| AnnaBridge | 143:86740a56073b | 227 | * Otherwise, a MCU reset is generated if the 7-bit Watchdog counter value |
| AnnaBridge | 143:86740a56073b | 228 | * (in the control register) is refreshed before the downcounter has reached |
| AnnaBridge | 143:86740a56073b | 229 | * the watchdog window register value. |
| AnnaBridge | 143:86740a56073b | 230 | * Physically is possible to set the Window lower then 0x40 but it is not recommended. |
| AnnaBridge | 143:86740a56073b | 231 | * To generate an immediate reset, it is possible to set the Counter lower than 0x40. |
| AnnaBridge | 143:86740a56073b | 232 | * @rmtoll CFR W LL_WWDG_SetWindow |
| AnnaBridge | 143:86740a56073b | 233 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 234 | * @param Window 0x00..0x7F (7 bit Window value) |
| AnnaBridge | 143:86740a56073b | 235 | * @retval None |
| AnnaBridge | 143:86740a56073b | 236 | */ |
| AnnaBridge | 143:86740a56073b | 237 | __STATIC_INLINE void LL_WWDG_SetWindow(WWDG_TypeDef *WWDGx, uint32_t Window) |
| AnnaBridge | 143:86740a56073b | 238 | { |
| AnnaBridge | 143:86740a56073b | 239 | MODIFY_REG(WWDGx->CFR, WWDG_CFR_W, Window); |
| AnnaBridge | 143:86740a56073b | 240 | } |
| AnnaBridge | 143:86740a56073b | 241 | |
| AnnaBridge | 143:86740a56073b | 242 | /** |
| AnnaBridge | 143:86740a56073b | 243 | * @brief Return current Watchdog Window Value (7 bits value) |
| AnnaBridge | 143:86740a56073b | 244 | * @rmtoll CFR W LL_WWDG_GetWindow |
| AnnaBridge | 143:86740a56073b | 245 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 246 | * @retval 7 bit Watchdog Window value |
| AnnaBridge | 143:86740a56073b | 247 | */ |
| AnnaBridge | 143:86740a56073b | 248 | __STATIC_INLINE uint32_t LL_WWDG_GetWindow(WWDG_TypeDef *WWDGx) |
| AnnaBridge | 143:86740a56073b | 249 | { |
| AnnaBridge | 143:86740a56073b | 250 | return (uint32_t)(READ_BIT(WWDGx->CFR, WWDG_CFR_W)); |
| AnnaBridge | 143:86740a56073b | 251 | } |
| AnnaBridge | 143:86740a56073b | 252 | |
| AnnaBridge | 143:86740a56073b | 253 | /** |
| AnnaBridge | 143:86740a56073b | 254 | * @} |
| AnnaBridge | 143:86740a56073b | 255 | */ |
| AnnaBridge | 143:86740a56073b | 256 | |
| AnnaBridge | 143:86740a56073b | 257 | /** @defgroup WWDG_LL_EF_FLAG_Management FLAG_Management |
| AnnaBridge | 143:86740a56073b | 258 | * @{ |
| AnnaBridge | 143:86740a56073b | 259 | */ |
| AnnaBridge | 143:86740a56073b | 260 | /** |
| AnnaBridge | 143:86740a56073b | 261 | * @brief Indicates if the WWDG Early Wakeup Interrupt Flag is set or not. |
| AnnaBridge | 143:86740a56073b | 262 | * @note This bit is set by hardware when the counter has reached the value 0x40. |
| AnnaBridge | 143:86740a56073b | 263 | * It must be cleared by software by writing 0. |
| AnnaBridge | 143:86740a56073b | 264 | * A write of 1 has no effect. This bit is also set if the interrupt is not enabled. |
| AnnaBridge | 143:86740a56073b | 265 | * @rmtoll SR EWIF LL_WWDG_IsActiveFlag_EWKUP |
| AnnaBridge | 143:86740a56073b | 266 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 267 | * @retval State of bit (1 or 0). |
| AnnaBridge | 143:86740a56073b | 268 | */ |
| AnnaBridge | 143:86740a56073b | 269 | __STATIC_INLINE uint32_t LL_WWDG_IsActiveFlag_EWKUP(WWDG_TypeDef *WWDGx) |
| AnnaBridge | 143:86740a56073b | 270 | { |
| AnnaBridge | 143:86740a56073b | 271 | return (READ_BIT(WWDGx->SR, WWDG_SR_EWIF) == (WWDG_SR_EWIF)); |
| AnnaBridge | 143:86740a56073b | 272 | } |
| AnnaBridge | 143:86740a56073b | 273 | |
| AnnaBridge | 143:86740a56073b | 274 | /** |
| AnnaBridge | 143:86740a56073b | 275 | * @brief Clear WWDG Early Wakeup Interrupt Flag (EWIF) |
| AnnaBridge | 143:86740a56073b | 276 | * @rmtoll SR EWIF LL_WWDG_ClearFlag_EWKUP |
| AnnaBridge | 143:86740a56073b | 277 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 278 | * @retval None |
| AnnaBridge | 143:86740a56073b | 279 | */ |
| AnnaBridge | 143:86740a56073b | 280 | __STATIC_INLINE void LL_WWDG_ClearFlag_EWKUP(WWDG_TypeDef *WWDGx) |
| AnnaBridge | 143:86740a56073b | 281 | { |
| AnnaBridge | 143:86740a56073b | 282 | WRITE_REG(WWDGx->SR, ~WWDG_SR_EWIF); |
| AnnaBridge | 143:86740a56073b | 283 | } |
| AnnaBridge | 143:86740a56073b | 284 | |
| AnnaBridge | 143:86740a56073b | 285 | /** |
| AnnaBridge | 143:86740a56073b | 286 | * @} |
| AnnaBridge | 143:86740a56073b | 287 | */ |
| AnnaBridge | 143:86740a56073b | 288 | |
| AnnaBridge | 143:86740a56073b | 289 | /** @defgroup WWDG_LL_EF_IT_Management IT_Management |
| AnnaBridge | 143:86740a56073b | 290 | * @{ |
| AnnaBridge | 143:86740a56073b | 291 | */ |
| AnnaBridge | 143:86740a56073b | 292 | /** |
| AnnaBridge | 143:86740a56073b | 293 | * @brief Enable the Early Wakeup Interrupt. |
| AnnaBridge | 143:86740a56073b | 294 | * @note When set, an interrupt occurs whenever the counter reaches value 0x40. |
| AnnaBridge | 143:86740a56073b | 295 | * This interrupt is only cleared by hardware after a reset |
| AnnaBridge | 143:86740a56073b | 296 | * @rmtoll CFR EWI LL_WWDG_EnableIT_EWKUP |
| AnnaBridge | 143:86740a56073b | 297 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 298 | * @retval None |
| AnnaBridge | 143:86740a56073b | 299 | */ |
| AnnaBridge | 143:86740a56073b | 300 | __STATIC_INLINE void LL_WWDG_EnableIT_EWKUP(WWDG_TypeDef *WWDGx) |
| AnnaBridge | 143:86740a56073b | 301 | { |
| AnnaBridge | 143:86740a56073b | 302 | SET_BIT(WWDGx->CFR, WWDG_CFR_EWI); |
| AnnaBridge | 143:86740a56073b | 303 | } |
| AnnaBridge | 143:86740a56073b | 304 | |
| AnnaBridge | 143:86740a56073b | 305 | /** |
| AnnaBridge | 143:86740a56073b | 306 | * @brief Check if Early Wakeup Interrupt is enabled |
| AnnaBridge | 143:86740a56073b | 307 | * @rmtoll CFR EWI LL_WWDG_IsEnabledIT_EWKUP |
| AnnaBridge | 143:86740a56073b | 308 | * @param WWDGx WWDG Instance |
| AnnaBridge | 143:86740a56073b | 309 | * @retval State of bit (1 or 0). |
| AnnaBridge | 143:86740a56073b | 310 | */ |
| AnnaBridge | 143:86740a56073b | 311 | __STATIC_INLINE uint32_t LL_WWDG_IsEnabledIT_EWKUP(WWDG_TypeDef *WWDGx) |
| AnnaBridge | 143:86740a56073b | 312 | { |
| AnnaBridge | 143:86740a56073b | 313 | return (READ_BIT(WWDGx->CFR, WWDG_CFR_EWI) == (WWDG_CFR_EWI)); |
| AnnaBridge | 143:86740a56073b | 314 | } |
| AnnaBridge | 143:86740a56073b | 315 | |
| AnnaBridge | 143:86740a56073b | 316 | /** |
| AnnaBridge | 143:86740a56073b | 317 | * @} |
| AnnaBridge | 143:86740a56073b | 318 | */ |
| AnnaBridge | 143:86740a56073b | 319 | |
| AnnaBridge | 143:86740a56073b | 320 | /** |
| AnnaBridge | 143:86740a56073b | 321 | * @} |
| AnnaBridge | 143:86740a56073b | 322 | */ |
| AnnaBridge | 143:86740a56073b | 323 | |
| AnnaBridge | 143:86740a56073b | 324 | /** |
| AnnaBridge | 143:86740a56073b | 325 | * @} |
| AnnaBridge | 143:86740a56073b | 326 | */ |
| AnnaBridge | 143:86740a56073b | 327 | |
| AnnaBridge | 143:86740a56073b | 328 | #endif /* WWDG */ |
| AnnaBridge | 143:86740a56073b | 329 | |
| AnnaBridge | 143:86740a56073b | 330 | /** |
| AnnaBridge | 143:86740a56073b | 331 | * @} |
| AnnaBridge | 143:86740a56073b | 332 | */ |
| AnnaBridge | 143:86740a56073b | 333 | |
| AnnaBridge | 143:86740a56073b | 334 | #ifdef __cplusplus |
| AnnaBridge | 143:86740a56073b | 335 | } |
| AnnaBridge | 143:86740a56073b | 336 | #endif |
| AnnaBridge | 143:86740a56073b | 337 | |
| AnnaBridge | 143:86740a56073b | 338 | #endif /* __STM32L0xx_LL_WWDG_H */ |
| AnnaBridge | 143:86740a56073b | 339 | |
| AnnaBridge | 143:86740a56073b | 340 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
