diff options
Diffstat (limited to 'bsps/arm/stm32h7/include/stm32h7xx_hal_iwdg.h')
| -rw-r--r-- | bsps/arm/stm32h7/include/stm32h7xx_hal_iwdg.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/bsps/arm/stm32h7/include/stm32h7xx_hal_iwdg.h b/bsps/arm/stm32h7/include/stm32h7xx_hal_iwdg.h new file mode 100644 index 0000000000..a5c7b9f913 --- /dev/null +++ b/bsps/arm/stm32h7/include/stm32h7xx_hal_iwdg.h @@ -0,0 +1,242 @@ +/**
+ ******************************************************************************
+ * @file stm32h7xx_hal_iwdg.h
+ * @author MCD Application Team
+ * @brief Header file of IWDG HAL module.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef STM32H7xx_HAL_IWDG_H
+#define STM32H7xx_HAL_IWDG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32h7xx_hal_def.h"
+
+/** @addtogroup STM32H7xx_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 and 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 /* STM32H7xx_HAL_IWDG_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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