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Diff: TARGET_NUCLEO_L432KC/stm32l4xx_hal_iwdg.h
- Revision:
- 122:f9eeca106725
diff -r 6c34061e7c34 -r f9eeca106725 TARGET_NUCLEO_L432KC/stm32l4xx_hal_iwdg.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_NUCLEO_L432KC/stm32l4xx_hal_iwdg.h Thu Jul 07 14:34:11 2016 +0100 @@ -0,0 +1,257 @@ +/** + ****************************************************************************** + * @file stm32l4xx_hal_iwdg.h + * @author MCD Application Team + * @version V1.5.1 + * @date 31-May-2016 + * @brief Header file of IWDG HAL module. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2016 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 __STM32L4xx_HAL_IWDG_H +#define __STM32L4xx_HAL_IWDG_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32l4xx_hal_def.h" + +/** @addtogroup STM32L4xx_HAL_Driver + * @{ + */ + +/** @defgroup IWDG IWDG + * @{ + */ + +/* Exported types ------------------------------------------------------------*/ +/** @defgroup IWDG_Exported_Types IWDG Exported Types + * @{ + */ + +/** + * @brief IWDG Init structure definition + */ +typedef struct +{ + uint32_t Prescaler; /*!< Select the prescaler of the IWDG. + This parameter can be a value of @ref IWDG_Prescaler */ + + uint32_t Reload; /*!< Specifies the IWDG down-counter reload value. + This parameter must be a number between Min_Data = 0 and Max_Data = 0x0FFF */ + + uint32_t Window; /*!< Specifies the window value to be compared to the down-counter. + This parameter must be a number between Min_Data = 0 and Max_Data = 0x0FFF */ + +} IWDG_InitTypeDef; + +/** + * @brief IWDG Handle Structure definition + */ +typedef struct +{ + IWDG_TypeDef *Instance; /*!< Register base address */ + + IWDG_InitTypeDef Init; /*!< IWDG required parameters */ + +}IWDG_HandleTypeDef; + +/** + * @} + */ + +/* Exported constants --------------------------------------------------------*/ +/** @defgroup IWDG_Exported_Constants IWDG Exported Constants + * @{ + */ + +/** @defgroup IWDG_Prescaler IWDG Prescaler + * @{ + */ +#define IWDG_PRESCALER_4 0x00000000u /*!< IWDG prescaler set to 4 */ +#define IWDG_PRESCALER_8 IWDG_PR_PR_0 /*!< IWDG prescaler set to 8 */ +#define IWDG_PRESCALER_16 IWDG_PR_PR_1 /*!< IWDG prescaler set to 16 */ +#define IWDG_PRESCALER_32 (IWDG_PR_PR_1 | IWDG_PR_PR_0) /*!< IWDG prescaler set to 32 */ +#define IWDG_PRESCALER_64 IWDG_PR_PR_2 /*!< IWDG prescaler set to 64 */ +#define IWDG_PRESCALER_128 (IWDG_PR_PR_2 | IWDG_PR_PR_0) /*!< IWDG prescaler set to 128 */ +#define IWDG_PRESCALER_256 (IWDG_PR_PR_2 | IWDG_PR_PR_1) /*!< IWDG prescaler set to 256 */ +/** + * @} + */ + +/** @defgroup IWDG_Window_option IWDG Window option + * @{ + */ +#define IWDG_WINDOW_DISABLE IWDG_WINR_WIN +/** + * @} + */ + +/** + * @} + */ + +/* Exported macros -----------------------------------------------------------*/ +/** @defgroup IWDG_Exported_Macros IWDG Exported Macros + * @{ + */ + +/** + * @brief Enable the IWDG peripheral. + * @param __HANDLE__ IWDG handle + * @retval None + */ +#define __HAL_IWDG_START(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_ENABLE) + +/** + * @brief Reload IWDG counter with value defined in the reload register + * (write access to IWDG_PR, IWDG_RLR & IWDG_WINR registers disabled). + * @param __HANDLE__ IWDG handle + * @retval None + */ +#define __HAL_IWDG_RELOAD_COUNTER(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_RELOAD) + +/** + * @} + */ + +/* Exported functions --------------------------------------------------------*/ +/** @defgroup IWDG_Exported_Functions IWDG Exported Functions + * @{ + */ + +/** @defgroup IWDG_Exported_Functions_Group1 Initialization and Start functions + * @{ + */ +/* Initialization/Start functions ********************************************/ +HAL_StatusTypeDef HAL_IWDG_Init(IWDG_HandleTypeDef *hiwdg); +/** + * @} + */ + +/** @defgroup IWDG_Exported_Functions_Group2 IO operation functions + * @{ + */ +/* I/O operation functions ****************************************************/ +HAL_StatusTypeDef HAL_IWDG_Refresh(IWDG_HandleTypeDef *hiwdg); +/** + * @} + */ + +/** + * @} + */ + +/* Private constants ---------------------------------------------------------*/ +/** @defgroup IWDG_Private_Constants IWDG Private Constants + * @{ + */ + +/** + * @brief IWDG Key Register BitMask + */ +#define IWDG_KEY_RELOAD 0x0000AAAAu /*!< IWDG Reload Counter Enable */ +#define IWDG_KEY_ENABLE 0x0000CCCCu /*!< IWDG Peripheral Enable */ +#define IWDG_KEY_WRITE_ACCESS_ENABLE 0x00005555u /*!< IWDG KR Write Access Enable */ +#define IWDG_KEY_WRITE_ACCESS_DISABLE 0x00000000u /*!< IWDG KR Write Access Disable */ + +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/** @defgroup IWDG_Private_Macros IWDG Private Macros + * @{ + */ + +/** + * @brief Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers. + * @param __HANDLE__ IWDG handle + * @retval None + */ +#define IWDG_ENABLE_WRITE_ACCESS(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_ENABLE) + +/** + * @brief Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers. + * @param __HANDLE__ IWDG handle + * @retval None + */ +#define IWDG_DISABLE_WRITE_ACCESS(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_DISABLE) + +/** + * @brief Check IWDG prescaler value. + * @param __PRESCALER__ IWDG prescaler value + * @retval None + */ +#define IS_IWDG_PRESCALER(__PRESCALER__) (((__PRESCALER__) == IWDG_PRESCALER_4) || \ + ((__PRESCALER__) == IWDG_PRESCALER_8) || \ + ((__PRESCALER__) == IWDG_PRESCALER_16) || \ + ((__PRESCALER__) == IWDG_PRESCALER_32) || \ + ((__PRESCALER__) == IWDG_PRESCALER_64) || \ + ((__PRESCALER__) == IWDG_PRESCALER_128)|| \ + ((__PRESCALER__) == IWDG_PRESCALER_256)) + +/** + * @brief Check IWDG reload value. + * @param __RELOAD__ IWDG reload value + * @retval None + */ +#define IS_IWDG_RELOAD(__RELOAD__) ((__RELOAD__) <= IWDG_RLR_RL) + +/** + * @brief Check IWDG window value. + * @param __WINDOW__ IWDG window value + * @retval None + */ +#define IS_IWDG_WINDOW(__WINDOW__) ((__WINDOW__) <= IWDG_WINR_WIN) + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32L4xx_HAL_IWDG_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/