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Diff: TARGET_NUCLEO_F401RE/stm32f4xx_hal_wwdg.h
- Revision:
- 77:869cf507173a
- Child:
- 81:7d30d6019079
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_NUCLEO_F401RE/stm32f4xx_hal_wwdg.h Fri Feb 14 14:36:43 2014 +0000
@@ -0,0 +1,252 @@
+/**
+ ******************************************************************************
+ * @file stm32f4xx_hal_wwdg.h
+ * @author MCD Application Team
+ * @version V1.0.0RC2
+ * @date 04-February-2014
+ * @brief Header file of WWDG HAL module.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F4xx_HAL_WWDG_H
+#define __STM32F4xx_HAL_WWDG_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_hal_def.h"
+
+/** @addtogroup STM32F4xx_HAL_Driver
+ * @{
+ */
+
+/** @addtogroup WWDG
+ * @{
+ */
+
+/* Exported types ------------------------------------------------------------*/
+
+/**
+ * @brief WWDG HAL State Structure definition
+ */
+typedef enum
+{
+ HAL_WWDG_STATE_RESET = 0x00, /*!< WWDG not yet initialized or disabled */
+ HAL_WWDG_STATE_READY = 0x01, /*!< WWDG initialized and ready for use */
+ HAL_WWDG_STATE_BUSY = 0x02, /*!< WWDG internal process is ongoing */
+ HAL_WWDG_STATE_TIMEOUT = 0x03, /*!< WWDG timeout state */
+ HAL_WWDG_STATE_ERROR = 0x04 /*!< WWDG error state */
+
+}HAL_WWDG_StateTypeDef;
+
+/**
+ * @brief WWDG Init structure definition
+ */
+typedef struct
+{
+ uint32_t Prescaler; /*!< Specifies the prescaler value of the WWDG.
+ This parameter can be a value of @ref WWDG_Prescaler */
+
+ uint32_t Window; /*!< Specifies the WWDG window value to be compared to the downcounter.
+ This parameter must be a number lower than Max_Data = 0x80 */
+
+ uint32_t Counter; /*!< Specifies the WWDG free-running downcounter value.
+ This parameter must be a number between Min_Data = 0x40 and Max_Data = 0x7F */
+
+}WWDG_InitTypeDef;
+
+/**
+ * @brief WWDG handle Structure definition
+ */
+typedef struct
+{
+ WWDG_TypeDef *Instance; /*!< Register base address */
+
+ WWDG_InitTypeDef Init; /*!< WWDG required parameters */
+
+ HAL_LockTypeDef Lock; /*!< WWDG locking object */
+
+ __IO HAL_WWDG_StateTypeDef State; /*!< WWDG communication state */
+
+}WWDG_HandleTypeDef;
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup WWDG_Exported_Constants
+ * @{
+ */
+
+/** @defgroup WWDG_BitAddress_AliasRegion
+ * @{
+ */
+
+/* --- CFR Register ---*/
+/* Alias word address of EWI bit */
+#define CFR_BASE (uint32_t)(WWDG_BASE + 0x04)
+
+/**
+ * @}
+ */
+
+/** @defgroup WWDG_Interrupt_definition
+ * @{
+ */
+#define WWDG_IT_EWI ((uint32_t)WWDG_CFR_EWI)
+
+#define IS_WWDG_IT(IT) ((IT) == WWDG_IT_EWI)
+
+/**
+ * @}
+ */
+
+/** @defgroup WWDG_Flag_definition
+ * @brief WWDG Flag definition
+ * @{
+ */
+#define WWDG_FLAG_EWIF ((uint32_t)0x0001) /*!< Early wakeup interrupt flag */
+
+#define IS_WWDG_FLAG(FLAG) ((FLAG) == WWDG_FLAG_EWIF))
+
+/**
+ * @}
+ */
+
+/** @defgroup WWDG_Prescaler
+ * @{
+ */
+#define WWDG_PRESCALER_1 ((uint32_t)0x00000000) /*!< WWDG counter clock = (PCLK1/4096)/1 */
+#define WWDG_PRESCALER_2 ((uint32_t)0x00000080) /*!< WWDG counter clock = (PCLK1/4096)/2 */
+#define WWDG_PRESCALER_4 ((uint32_t)0x00000100) /*!< WWDG counter clock = (PCLK1/4096)/4 */
+#define WWDG_PRESCALER_8 ((uint32_t)0x00000180) /*!< WWDG counter clock = (PCLK1/4096)/8 */
+
+#define IS_WWDG_PRESCALER(PRESCALER) (((PRESCALER) == WWDG_PRESCALER_1) || \
+ ((PRESCALER) == WWDG_PRESCALER_2) || \
+ ((PRESCALER) == WWDG_PRESCALER_4) || \
+ ((PRESCALER) == WWDG_PRESCALER_8))
+
+/**
+ * @}
+ */
+
+/** @defgroup WWDG_Window
+ * @{
+ */
+#define IS_WWDG_WINDOW(WINDOW) ((WINDOW) <= 0x7F)
+
+/**
+ * @}
+ */
+
+/** @defgroup WWDG_Counter
+ * @{
+ */
+#define IS_WWDG_COUNTER(COUNTER) (((COUNTER) >= 0x40) && ((COUNTER) <= 0x7F))
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+
+/**
+ * @brief Enables the WWDG peripheral.
+ * @param __HANDLE__: WWDG handle
+ * @retval None
+ */
+#define __HAL_WWDG_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= WWDG_CR_WDGA)
+
+/**
+ * @brief Gets the selected WWDG's flag status.
+ * @param __HANDLE__: WWDG handle
+ * @param __FLAG__: specifies the flag to check.
+ * This parameter can be one of the following values:
+ * @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
+ * @retval The new state of WWDG_FLAG (SET or RESET).
+ */
+#define __HAL_WWDG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
+
+/**
+ * @brief Clears the WWDG's pending flags.
+ * @param __HANDLE__: WWDG handle
+ * @param __FLAG__: specifies the flag to clear.
+ * This parameter can be one of the following values:
+ * @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
+ * @retval None
+ */
+#define __HAL_WWDG_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR) &= ~(__FLAG__))
+
+/**
+ * @brief Enables the WWDG early wakeup interrupt.
+ * @note Once enabled this interrupt cannot be disabled except by a system reset.
+ * @retval None
+ */
+#define __HAL_WWDG_ENABLE_IT(__INTERRUPT__) (*(__IO uint32_t *) CFR_BASE |= (__INTERRUPT__))
+
+
+/* Exported functions --------------------------------------------------------*/
+
+/* Initialization/de-initialization functions **********************************/
+HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg);
+HAL_StatusTypeDef HAL_WWDG_DeInit(WWDG_HandleTypeDef *hwwdg);
+__weak void HAL_WWDG_MspInit(WWDG_HandleTypeDef *hwwdg);
+__weak void HAL_WWDG_MspDeInit(WWDG_HandleTypeDef *hwwdg);
+__weak void HAL_WWDG_WakeupCallback(WWDG_HandleTypeDef* hwwdg);
+
+/* I/O operation functions ******************************************************/
+HAL_StatusTypeDef HAL_WWDG_Start(WWDG_HandleTypeDef *hwwdg);
+HAL_StatusTypeDef HAL_WWDG_Start_IT(WWDG_HandleTypeDef *hwwdg);
+HAL_StatusTypeDef HAL_WWDG_Refresh(WWDG_HandleTypeDef *hwwdg, uint32_t Counter);
+void HAL_WWDG_IRQHandler(WWDG_HandleTypeDef *hwwdg);
+
+/* Peripheral State functions **************************************************/
+HAL_WWDG_StateTypeDef HAL_WWDG_GetState(WWDG_HandleTypeDef *hwwdg);
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F4xx_HAL_WWDG_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/