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

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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_F334R8/stm32f3xx_hal_wwdg.h@89:552587b429a1, 2014-09-12 (annotated)

Committer:
bogdanm
Date:
Fri Sep 12 16:41:52 2014 +0100
Revision:
89:552587b429a1
Parent:
86:04dd9b1680ae
Child:
92:4fc01daae5a5
Release 89 of the mbed library



Main changes:



- low power optimizations for Nordic targets

- code structure changes for Freescale K64F targets

- bug fixes in various backends

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 86:04dd9b1680ae 1 /**
bogdanm 86:04dd9b1680ae 2 ******************************************************************************
bogdanm 86:04dd9b1680ae 3 * @file stm32f3xx_hal_wwdg.h
bogdanm 86:04dd9b1680ae 4 * @author MCD Application Team
bogdanm 86:04dd9b1680ae 5 * @version V1.0.1
bogdanm 86:04dd9b1680ae 6 * @date 18-June-2014
bogdanm 86:04dd9b1680ae 7 * @brief Header file of WWDG HAL module.
bogdanm 86:04dd9b1680ae 8 ******************************************************************************
bogdanm 86:04dd9b1680ae 9 * @attention
bogdanm 86:04dd9b1680ae 10 *
bogdanm 86:04dd9b1680ae 11 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
bogdanm 86:04dd9b1680ae 12 *
bogdanm 86:04dd9b1680ae 13 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 86:04dd9b1680ae 14 * are permitted provided that the following conditions are met:
bogdanm 86:04dd9b1680ae 15 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 86:04dd9b1680ae 16 * this list of conditions and the following disclaimer.
bogdanm 86:04dd9b1680ae 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 86:04dd9b1680ae 18 * this list of conditions and the following disclaimer in the documentation
bogdanm 86:04dd9b1680ae 19 * and/or other materials provided with the distribution.
bogdanm 86:04dd9b1680ae 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 86:04dd9b1680ae 21 * may be used to endorse or promote products derived from this software
bogdanm 86:04dd9b1680ae 22 * without specific prior written permission.
bogdanm 86:04dd9b1680ae 23 *
bogdanm 86:04dd9b1680ae 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 86:04dd9b1680ae 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 86:04dd9b1680ae 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 86:04dd9b1680ae 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 86:04dd9b1680ae 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 86:04dd9b1680ae 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 86:04dd9b1680ae 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 86:04dd9b1680ae 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 86:04dd9b1680ae 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 86:04dd9b1680ae 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 86:04dd9b1680ae 34 *
bogdanm 86:04dd9b1680ae 35 ******************************************************************************
bogdanm 86:04dd9b1680ae 36 */
bogdanm 86:04dd9b1680ae 37
bogdanm 86:04dd9b1680ae 38 /* Define to prevent recursive inclusion -------------------------------------*/
bogdanm 86:04dd9b1680ae 39 #ifndef __STM32F3xx_HAL_WWDG_H
bogdanm 86:04dd9b1680ae 40 #define __STM32F3xx_HAL_WWDG_H
bogdanm 86:04dd9b1680ae 41
bogdanm 86:04dd9b1680ae 42 #ifdef __cplusplus
bogdanm 86:04dd9b1680ae 43 extern "C" {
bogdanm 86:04dd9b1680ae 44 #endif
bogdanm 86:04dd9b1680ae 45
bogdanm 86:04dd9b1680ae 46 /* Includes ------------------------------------------------------------------*/
bogdanm 86:04dd9b1680ae 47 #include "stm32f3xx_hal_def.h"
bogdanm 86:04dd9b1680ae 48
bogdanm 86:04dd9b1680ae 49 /** @addtogroup STM32F3xx_HAL_Driver
bogdanm 86:04dd9b1680ae 50 * @{
bogdanm 86:04dd9b1680ae 51 */
bogdanm 86:04dd9b1680ae 52
bogdanm 86:04dd9b1680ae 53 /** @addtogroup WWDG
bogdanm 86:04dd9b1680ae 54 * @{
bogdanm 86:04dd9b1680ae 55 */
bogdanm 86:04dd9b1680ae 56
bogdanm 86:04dd9b1680ae 57 /* Exported types ------------------------------------------------------------*/
bogdanm 86:04dd9b1680ae 58
bogdanm 86:04dd9b1680ae 59 /**
bogdanm 86:04dd9b1680ae 60 * @brief WWDG HAL State Structure definition
bogdanm 86:04dd9b1680ae 61 */
bogdanm 86:04dd9b1680ae 62 typedef enum
bogdanm 86:04dd9b1680ae 63 {
bogdanm 86:04dd9b1680ae 64 HAL_WWDG_STATE_RESET = 0x00, /*!< WWDG not yet initialized or disabled */
bogdanm 86:04dd9b1680ae 65 HAL_WWDG_STATE_READY = 0x01, /*!< WWDG initialized and ready for use */
bogdanm 86:04dd9b1680ae 66 HAL_WWDG_STATE_BUSY = 0x02, /*!< WWDG internal process is ongoing */
bogdanm 86:04dd9b1680ae 67 HAL_WWDG_STATE_TIMEOUT = 0x03, /*!< WWDG timeout state */
bogdanm 86:04dd9b1680ae 68 HAL_WWDG_STATE_ERROR = 0x04 /*!< WWDG error state */
bogdanm 86:04dd9b1680ae 69
bogdanm 86:04dd9b1680ae 70 }HAL_WWDG_StateTypeDef;
bogdanm 86:04dd9b1680ae 71
bogdanm 86:04dd9b1680ae 72 /**
bogdanm 86:04dd9b1680ae 73 * @brief WWDG Init structure definition
bogdanm 86:04dd9b1680ae 74 */
bogdanm 86:04dd9b1680ae 75 typedef struct
bogdanm 86:04dd9b1680ae 76 {
bogdanm 86:04dd9b1680ae 77 uint32_t Prescaler; /*!< Specifies the prescaler value of the WWDG.
bogdanm 86:04dd9b1680ae 78 This parameter can be a value of @ref WWDG_Prescaler */
bogdanm 86:04dd9b1680ae 79
bogdanm 86:04dd9b1680ae 80 uint32_t Window; /*!< Specifies the WWDG window value to be compared to the downcounter.
bogdanm 86:04dd9b1680ae 81 This parameter must be a number lower than Max_Data = 0x80 */
bogdanm 86:04dd9b1680ae 82
bogdanm 86:04dd9b1680ae 83 uint32_t Counter; /*!< Specifies the WWDG free-running downcounter value.
bogdanm 86:04dd9b1680ae 84 This parameter must be a number between Min_Data = 0x40 and Max_Data = 0x7F */
bogdanm 86:04dd9b1680ae 85
bogdanm 86:04dd9b1680ae 86 } WWDG_InitTypeDef;
bogdanm 86:04dd9b1680ae 87
bogdanm 86:04dd9b1680ae 88 /**
bogdanm 86:04dd9b1680ae 89 * @brief WWDG Handle Structure definition
bogdanm 86:04dd9b1680ae 90 */
bogdanm 86:04dd9b1680ae 91 typedef struct
bogdanm 86:04dd9b1680ae 92 {
bogdanm 86:04dd9b1680ae 93 WWDG_TypeDef *Instance; /*!< Register base address */
bogdanm 86:04dd9b1680ae 94
bogdanm 86:04dd9b1680ae 95 WWDG_InitTypeDef Init; /*!< WWDG required parameters */
bogdanm 86:04dd9b1680ae 96
bogdanm 86:04dd9b1680ae 97 HAL_LockTypeDef Lock; /*!< WWDG Locking object */
bogdanm 86:04dd9b1680ae 98
bogdanm 86:04dd9b1680ae 99 __IO HAL_WWDG_StateTypeDef State; /*!< WWDG communication state */
bogdanm 86:04dd9b1680ae 100
bogdanm 86:04dd9b1680ae 101 } WWDG_HandleTypeDef;
bogdanm 86:04dd9b1680ae 102
bogdanm 86:04dd9b1680ae 103 /* Exported constants --------------------------------------------------------*/
bogdanm 86:04dd9b1680ae 104
bogdanm 86:04dd9b1680ae 105 /** @defgroup WWDG_Exported_Constants
bogdanm 86:04dd9b1680ae 106 * @{
bogdanm 86:04dd9b1680ae 107 */
bogdanm 86:04dd9b1680ae 108
bogdanm 86:04dd9b1680ae 109 /** @defgroup WWDG_BitAddress_AliasRegion
bogdanm 86:04dd9b1680ae 110 * @brief WWDG registers bit address in the alias region
bogdanm 86:04dd9b1680ae 111 * @{
bogdanm 86:04dd9b1680ae 112 */
bogdanm 86:04dd9b1680ae 113
bogdanm 86:04dd9b1680ae 114 /* --- CFR Register ---*/
bogdanm 86:04dd9b1680ae 115 /* Alias word address of EWI bit */
bogdanm 86:04dd9b1680ae 116 #define CFR_BASE (uint32_t)(WWDG_BASE + 0x04)
bogdanm 86:04dd9b1680ae 117
bogdanm 86:04dd9b1680ae 118 /**
bogdanm 86:04dd9b1680ae 119 * @}
bogdanm 86:04dd9b1680ae 120 */
bogdanm 86:04dd9b1680ae 121
bogdanm 86:04dd9b1680ae 122 /** @defgroup WWDG_Interrupt_definition
bogdanm 86:04dd9b1680ae 123 * @{
bogdanm 86:04dd9b1680ae 124 */
bogdanm 86:04dd9b1680ae 125 #define WWDG_IT_EWI ((uint32_t)WWDG_CFR_EWI)
bogdanm 86:04dd9b1680ae 126
bogdanm 86:04dd9b1680ae 127 #define IS_WWDG_IT(IT) ((IT) == WWDG_IT_EWI)
bogdanm 86:04dd9b1680ae 128
bogdanm 86:04dd9b1680ae 129 /**
bogdanm 86:04dd9b1680ae 130 * @}
bogdanm 86:04dd9b1680ae 131 */
bogdanm 86:04dd9b1680ae 132
bogdanm 86:04dd9b1680ae 133 /** @defgroup WWDG_Flag_definition
bogdanm 86:04dd9b1680ae 134 * @brief WWDG Flag definition
bogdanm 86:04dd9b1680ae 135 * @{
bogdanm 86:04dd9b1680ae 136 */
bogdanm 86:04dd9b1680ae 137 #define WWDG_FLAG_EWIF ((uint32_t)0x0001) /*!< Early Wakeup Interrupt Flag */
bogdanm 86:04dd9b1680ae 138
bogdanm 86:04dd9b1680ae 139 #define IS_WWDG_FLAG(FLAG) ((FLAG) == WWDG_FLAG_EWIF))
bogdanm 86:04dd9b1680ae 140
bogdanm 86:04dd9b1680ae 141 /**
bogdanm 86:04dd9b1680ae 142 * @}
bogdanm 86:04dd9b1680ae 143 */
bogdanm 86:04dd9b1680ae 144
bogdanm 86:04dd9b1680ae 145 /** @defgroup WWDG_Prescaler
bogdanm 86:04dd9b1680ae 146 * @{
bogdanm 86:04dd9b1680ae 147 */
bogdanm 86:04dd9b1680ae 148 #define WWDG_PRESCALER_1 ((uint32_t)0x00000000) /*!< WWDG counter clock = (PCLK1/4096)/1 */
bogdanm 86:04dd9b1680ae 149 #define WWDG_PRESCALER_2 ((uint32_t)0x00000080) /*!< WWDG counter clock = (PCLK1/4096)/2 */
bogdanm 86:04dd9b1680ae 150 #define WWDG_PRESCALER_4 ((uint32_t)0x00000100) /*!< WWDG counter clock = (PCLK1/4096)/4 */
bogdanm 86:04dd9b1680ae 151 #define WWDG_PRESCALER_8 ((uint32_t)0x00000180) /*!< WWDG counter clock = (PCLK1/4096)/8 */
bogdanm 86:04dd9b1680ae 152
bogdanm 86:04dd9b1680ae 153 #define IS_WWDG_PRESCALER(PRESCALER) (((PRESCALER) == WWDG_PRESCALER_1) || \
bogdanm 86:04dd9b1680ae 154 ((PRESCALER) == WWDG_PRESCALER_2) || \
bogdanm 86:04dd9b1680ae 155 ((PRESCALER) == WWDG_PRESCALER_4) || \
bogdanm 86:04dd9b1680ae 156 ((PRESCALER) == WWDG_PRESCALER_8))
bogdanm 86:04dd9b1680ae 157
bogdanm 86:04dd9b1680ae 158 /**
bogdanm 86:04dd9b1680ae 159 * @}
bogdanm 86:04dd9b1680ae 160 */
bogdanm 86:04dd9b1680ae 161
bogdanm 86:04dd9b1680ae 162 /** @defgroup WWDG_Window
bogdanm 86:04dd9b1680ae 163 * @{
bogdanm 86:04dd9b1680ae 164 */
bogdanm 86:04dd9b1680ae 165 #define IS_WWDG_WINDOW(WINDOW) ((WINDOW) <= 0x7F)
bogdanm 86:04dd9b1680ae 166
bogdanm 86:04dd9b1680ae 167 /**
bogdanm 86:04dd9b1680ae 168 * @}
bogdanm 86:04dd9b1680ae 169 */
bogdanm 86:04dd9b1680ae 170
bogdanm 86:04dd9b1680ae 171 /** @defgroup WWDG_Counter
bogdanm 86:04dd9b1680ae 172 * @{
bogdanm 86:04dd9b1680ae 173 */
bogdanm 86:04dd9b1680ae 174 #define IS_WWDG_COUNTER(COUNTER) (((COUNTER) >= 0x40) && ((COUNTER) <= 0x7F))
bogdanm 86:04dd9b1680ae 175
bogdanm 86:04dd9b1680ae 176 /**
bogdanm 86:04dd9b1680ae 177 * @}
bogdanm 86:04dd9b1680ae 178 */
bogdanm 86:04dd9b1680ae 179
bogdanm 86:04dd9b1680ae 180 /**
bogdanm 86:04dd9b1680ae 181 * @}
bogdanm 86:04dd9b1680ae 182 */
bogdanm 86:04dd9b1680ae 183
bogdanm 86:04dd9b1680ae 184 /* Exported macros -----------------------------------------------------------*/
bogdanm 86:04dd9b1680ae 185
bogdanm 86:04dd9b1680ae 186 /** @defgroup WWDG_Exported_Macros
bogdanm 86:04dd9b1680ae 187 * @{
bogdanm 86:04dd9b1680ae 188 */
bogdanm 86:04dd9b1680ae 189
bogdanm 86:04dd9b1680ae 190 /** @brief Reset WWDG handle state
bogdanm 86:04dd9b1680ae 191 * @param __HANDLE__: WWDG handle.
bogdanm 86:04dd9b1680ae 192 * @retval None
bogdanm 86:04dd9b1680ae 193 */
bogdanm 86:04dd9b1680ae 194 #define __HAL_WWDG_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_WWDG_STATE_RESET)
bogdanm 86:04dd9b1680ae 195
bogdanm 86:04dd9b1680ae 196 /**
bogdanm 86:04dd9b1680ae 197 * @brief Enable the WWDG peripheral.
bogdanm 86:04dd9b1680ae 198 * @param __HANDLE__: WWDG handle
bogdanm 86:04dd9b1680ae 199 * @retval None
bogdanm 86:04dd9b1680ae 200 */
bogdanm 86:04dd9b1680ae 201 #define __HAL_WWDG_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= WWDG_CR_WDGA)
bogdanm 86:04dd9b1680ae 202
bogdanm 86:04dd9b1680ae 203 /**
bogdanm 86:04dd9b1680ae 204 * @brief Get the selected WWDG's flag status.
bogdanm 86:04dd9b1680ae 205 * @param __HANDLE__: WWDG handle
bogdanm 86:04dd9b1680ae 206 * @param __FLAG__: specifies the flag to check.
bogdanm 86:04dd9b1680ae 207 * This parameter can be one of the following values:
bogdanm 86:04dd9b1680ae 208 * @arg WWDG_FLAG_EWIF: Early Wakeup Interrupt flag
bogdanm 86:04dd9b1680ae 209 * @retval The new state of WWDG_FLAG (SET or RESET).
bogdanm 86:04dd9b1680ae 210 */
bogdanm 86:04dd9b1680ae 211 #define __HAL_WWDG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
bogdanm 86:04dd9b1680ae 212
bogdanm 86:04dd9b1680ae 213 /**
bogdanm 86:04dd9b1680ae 214 * @brief Clear the WWDG's pending flags.
bogdanm 86:04dd9b1680ae 215 * @param __HANDLE__: WWDG handle
bogdanm 86:04dd9b1680ae 216 * @param __FLAG__: specifies the flag to clear.
bogdanm 86:04dd9b1680ae 217 * This parameter can be one of the following values:
bogdanm 86:04dd9b1680ae 218 * @arg WWDG_FLAG_EWIF: Early Wakeup Interrupt flag
bogdanm 86:04dd9b1680ae 219 * @retval None
bogdanm 86:04dd9b1680ae 220 */
bogdanm 86:04dd9b1680ae 221 #define __HAL_WWDG_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR) = ~(__FLAG__))
bogdanm 86:04dd9b1680ae 222
bogdanm 86:04dd9b1680ae 223 /**
bogdanm 86:04dd9b1680ae 224 * @brief Enable the WWDG early wakeup interrupt.
bogdanm 86:04dd9b1680ae 225 * @note Once enabled this interrupt cannot be disabled except by a system reset.
bogdanm 86:04dd9b1680ae 226 * @retval None
bogdanm 86:04dd9b1680ae 227 */
bogdanm 86:04dd9b1680ae 228 #define __HAL_WWDG_ENABLE_IT(__INTERRUPT__) (*(__IO uint32_t *) CFR_BASE |= (__INTERRUPT__))
bogdanm 86:04dd9b1680ae 229
bogdanm 86:04dd9b1680ae 230 /**
bogdanm 86:04dd9b1680ae 231 * @}
bogdanm 86:04dd9b1680ae 232 */
bogdanm 86:04dd9b1680ae 233
bogdanm 86:04dd9b1680ae 234 /* Exported functions --------------------------------------------------------*/
bogdanm 86:04dd9b1680ae 235
bogdanm 86:04dd9b1680ae 236 /* Initialization/de-initialization functions **********************************/
bogdanm 86:04dd9b1680ae 237 HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg);
bogdanm 86:04dd9b1680ae 238 HAL_StatusTypeDef HAL_WWDG_DeInit(WWDG_HandleTypeDef *hwwdg);
bogdanm 86:04dd9b1680ae 239 void HAL_WWDG_MspInit(WWDG_HandleTypeDef *hwwdg);
bogdanm 86:04dd9b1680ae 240 void HAL_WWDG_MspDeInit(WWDG_HandleTypeDef *hwwdg);
bogdanm 86:04dd9b1680ae 241 void HAL_WWDG_WakeupCallback(WWDG_HandleTypeDef* hwwdg);
bogdanm 86:04dd9b1680ae 242
bogdanm 86:04dd9b1680ae 243 /* I/O operation functions ******************************************************/
bogdanm 86:04dd9b1680ae 244 HAL_StatusTypeDef HAL_WWDG_Start(WWDG_HandleTypeDef *hwwdg);
bogdanm 86:04dd9b1680ae 245 HAL_StatusTypeDef HAL_WWDG_Start_IT(WWDG_HandleTypeDef *hwwdg);
bogdanm 86:04dd9b1680ae 246 HAL_StatusTypeDef HAL_WWDG_Refresh(WWDG_HandleTypeDef *hwwdg, uint32_t Counter);
bogdanm 86:04dd9b1680ae 247 void HAL_WWDG_IRQHandler(WWDG_HandleTypeDef *hwwdg);
bogdanm 86:04dd9b1680ae 248
bogdanm 86:04dd9b1680ae 249 /* Peripheral State functions **************************************************/
bogdanm 86:04dd9b1680ae 250 HAL_WWDG_StateTypeDef HAL_WWDG_GetState(WWDG_HandleTypeDef *hwwdg);
bogdanm 86:04dd9b1680ae 251
bogdanm 86:04dd9b1680ae 252 /**
bogdanm 86:04dd9b1680ae 253 * @}
bogdanm 86:04dd9b1680ae 254 */
bogdanm 86:04dd9b1680ae 255
bogdanm 86:04dd9b1680ae 256 /**
bogdanm 86:04dd9b1680ae 257 * @}
bogdanm 86:04dd9b1680ae 258 */
bogdanm 86:04dd9b1680ae 259
bogdanm 86:04dd9b1680ae 260 #ifdef __cplusplus
bogdanm 86:04dd9b1680ae 261 }
bogdanm 86:04dd9b1680ae 262 #endif
bogdanm 86:04dd9b1680ae 263
bogdanm 86:04dd9b1680ae 264 #endif /* __STM32F3xx_HAL_WWDG_H */
bogdanm 86:04dd9b1680ae 265
bogdanm 86:04dd9b1680ae 266 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/