WebSVN – DashDisplay – Diff – /branches/Dashboard_L152_v2/Drivers/STM32L1xx_HAL_Driver/Inc/stm32l1xx_ll_iwdg.h

 /**
   ******************************************************************************
   * @file    stm32l1xx_ll_iwdg.h
   * @author  MCD Application Team
   * @brief   Header file of IWDG LL module.
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
+  * Copyright (c) 2016 STMicroelectronics.
-  * All rights reserved.</center></h2>
+  * All rights reserved.
   *
-  * This software component is licensed by ST under BSD 3-Clause license,
+  * This software is licensed under terms that can be found in the LICENSE file
-  * the "License"; You may not use this file except in compliance with the
+  * in the root directory of this software component.
-  * License. You may obtain a copy of the License at:
+  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *                        opensource.org/licenses/BSD-3-Clause
+  *
-  *
+  ******************************************************************************
-  ******************************************************************************
+  */
-  */
+/* Define to prevent recursive inclusion -------------------------------------*/
-/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef STM32L1xx_LL_IWDG_H
-#ifndef STM32L1xx_LL_IWDG_H
+#define STM32L1xx_LL_IWDG_H
-#define STM32L1xx_LL_IWDG_H
+#ifdef __cplusplus
-#ifdef __cplusplus
+extern "C" {
-extern "C" {
+#endif
-#endif
+/* Includes ------------------------------------------------------------------*/
-/* Includes ------------------------------------------------------------------*/
+#include "stm32l1xx.h"
-#include "stm32l1xx.h"
+/** @addtogroup STM32L1xx_LL_Driver
-/** @addtogroup STM32L1xx_LL_Driver
+  * @{
-  * @{
+  */
-  */
+#if defined(IWDG)
-#if defined(IWDG)
+/** @defgroup IWDG_LL IWDG
-/** @defgroup IWDG_LL IWDG
+  * @{
-  * @{
+  */
-  */
+/* Private types -------------------------------------------------------------*/
-/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
-/* Private constants ---------------------------------------------------------*/
+/** @defgroup IWDG_LL_Private_Constants IWDG Private Constants
-/** @defgroup IWDG_LL_Private_Constants IWDG Private Constants
+  * @{
-  * @{
+  */
-  */
+#define LL_IWDG_KEY_RELOAD                 0x0000AAAAU               /*!< IWDG Reload Counter Enable   */
-#define LL_IWDG_KEY_RELOAD                 0x0000AAAAU               /*!< IWDG Reload Counter Enable   */
+#define LL_IWDG_KEY_ENABLE                 0x0000CCCCU               /*!< IWDG Peripheral Enable       */
-#define LL_IWDG_KEY_ENABLE                 0x0000CCCCU               /*!< IWDG Peripheral Enable       */
+#define LL_IWDG_KEY_WR_ACCESS_ENABLE       0x00005555U               /*!< IWDG KR Write Access Enable  */
-#define LL_IWDG_KEY_WR_ACCESS_ENABLE       0x00005555U               /*!< IWDG KR Write Access Enable  */
+#define LL_IWDG_KEY_WR_ACCESS_DISABLE      0x00000000U               /*!< IWDG KR Write Access Disable */
-#define LL_IWDG_KEY_WR_ACCESS_DISABLE      0x00000000U               /*!< IWDG KR Write Access Disable */
+/**
-/**
+  * @}
-  * @}
+  */
-  */
+/* Private macros ------------------------------------------------------------*/
-/* Private macros ------------------------------------------------------------*/
+/* Exported types ------------------------------------------------------------*/
-/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
-/* Exported constants --------------------------------------------------------*/
+/** @defgroup IWDG_LL_Exported_Constants IWDG Exported Constants
-/** @defgroup IWDG_LL_Exported_Constants IWDG Exported Constants
+  * @{
-  * @{
+  */
-  */
+/** @defgroup IWDG_LL_EC_GET_FLAG Get Flags Defines
-/** @defgroup IWDG_LL_EC_GET_FLAG Get Flags Defines
+  * @brief    Flags defines which can be used with LL_IWDG_ReadReg function
-  * @brief    Flags defines which can be used with LL_IWDG_ReadReg function
+  * @{
-  * @{
+  */
-  */
+#define LL_IWDG_SR_PVU                     IWDG_SR_PVU                           /*!< Watchdog prescaler value update */
-#define LL_IWDG_SR_PVU                     IWDG_SR_PVU                           /*!< Watchdog prescaler value update */
+#define LL_IWDG_SR_RVU                     IWDG_SR_RVU                           /*!< Watchdog counter reload value update */
-#define LL_IWDG_SR_RVU                     IWDG_SR_RVU                           /*!< Watchdog counter reload value update */
+/**
-/**
+  * @}
-  * @}
+  */
-  */
+/** @defgroup IWDG_LL_EC_PRESCALER  Prescaler Divider
-/** @defgroup IWDG_LL_EC_PRESCALER  Prescaler Divider
+  * @{
-  * @{
+  */
-  */
+#define LL_IWDG_PRESCALER_4                0x00000000U                           /*!< Divider by 4   */
-#define LL_IWDG_PRESCALER_4                0x00000000U                           /*!< Divider by 4   */
+#define LL_IWDG_PRESCALER_8                (IWDG_PR_PR_0)                        /*!< Divider by 8   */
-#define LL_IWDG_PRESCALER_8                (IWDG_PR_PR_0)                        /*!< Divider by 8   */
+#define LL_IWDG_PRESCALER_16               (IWDG_PR_PR_1)                        /*!< Divider by 16  */
-#define LL_IWDG_PRESCALER_16               (IWDG_PR_PR_1)                        /*!< Divider by 16  */
+#define LL_IWDG_PRESCALER_32               (IWDG_PR_PR_1 | IWDG_PR_PR_0)         /*!< Divider by 32  */
-#define LL_IWDG_PRESCALER_32               (IWDG_PR_PR_1 | IWDG_PR_PR_0)         /*!< Divider by 32  */
+#define LL_IWDG_PRESCALER_64               (IWDG_PR_PR_2)                        /*!< Divider by 64  */
-#define LL_IWDG_PRESCALER_64               (IWDG_PR_PR_2)                        /*!< Divider by 64  */
+#define LL_IWDG_PRESCALER_128              (IWDG_PR_PR_2 | IWDG_PR_PR_0)         /*!< Divider by 128 */
-#define LL_IWDG_PRESCALER_128              (IWDG_PR_PR_2 | IWDG_PR_PR_0)         /*!< Divider by 128 */
+#define LL_IWDG_PRESCALER_256              (IWDG_PR_PR_2 | IWDG_PR_PR_1)         /*!< Divider by 256 */
-#define LL_IWDG_PRESCALER_256              (IWDG_PR_PR_2 | IWDG_PR_PR_1)         /*!< Divider by 256 */
+/**
-/**
+  * @}
-  * @}
+  */
-  */
+/**
-/**
+  * @}
-  * @}
+  */
-  */
+/* Exported macro ------------------------------------------------------------*/
-/* Exported macro ------------------------------------------------------------*/
+/** @defgroup IWDG_LL_Exported_Macros IWDG Exported Macros
-/** @defgroup IWDG_LL_Exported_Macros IWDG Exported Macros
+  * @{
-  * @{
+  */
-  */
+/** @defgroup IWDG_LL_EM_WRITE_READ Common Write and read registers Macros
-/** @defgroup IWDG_LL_EM_WRITE_READ Common Write and read registers Macros
+  * @{
-  * @{
+  */
-  */
+/**
-/**
+  * @brief  Write a value in IWDG register
-  * @brief  Write a value in IWDG register
+  * @param  __INSTANCE__ IWDG Instance
-  * @param  __INSTANCE__ IWDG Instance
+  * @param  __REG__ Register to be written
-  * @param  __REG__ Register to be written
+  * @param  __VALUE__ Value to be written in the register
-  * @param  __VALUE__ Value to be written in the register
+  * @retval None
-  * @retval None
+  */
-  */
+#define LL_IWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
-#define LL_IWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
+/**
-/**
+  * @brief  Read a value in IWDG register
-  * @brief  Read a value in IWDG register
+  * @param  __INSTANCE__ IWDG Instance
-  * @param  __INSTANCE__ IWDG Instance
+  * @param  __REG__ Register to be read
-  * @param  __REG__ Register to be read
+  * @retval Register value
-  * @retval Register value
+  */
-  */
+#define LL_IWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
-#define LL_IWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
+/**
-/**
+  * @}
-  * @}
+  */
-  */
+/**
-/**
+  * @}
-  * @}
+  */
-  */
+/* Exported functions --------------------------------------------------------*/
-/* Exported functions --------------------------------------------------------*/
+/** @defgroup IWDG_LL_Exported_Functions IWDG Exported Functions
-/** @defgroup IWDG_LL_Exported_Functions IWDG Exported Functions
+  * @{
-  * @{
+  */
-  */
+/** @defgroup IWDG_LL_EF_Configuration Configuration
-/** @defgroup IWDG_LL_EF_Configuration Configuration
+  * @{
-  * @{
+  */
-  */
+/**
-/**
+  * @brief  Start the Independent Watchdog
-  * @brief  Start the Independent Watchdog
+  * @note   Except if the hardware watchdog option is selected
-  * @note   Except if the hardware watchdog option is selected
+  * @rmtoll KR           KEY           LL_IWDG_Enable
-  * @rmtoll KR           KEY           LL_IWDG_Enable
+  * @param  IWDGx IWDG Instance
-  * @param  IWDGx IWDG Instance
+  * @retval None
-  * @retval None
+  */
-  */
+__STATIC_INLINE void LL_IWDG_Enable(IWDG_TypeDef *IWDGx)
-__STATIC_INLINE void LL_IWDG_Enable(IWDG_TypeDef *IWDGx)
+{
-{
+  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_ENABLE);
-  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_ENABLE);
+}
-}
+/**
-/**
+  * @brief  Reloads IWDG counter with value defined in the reload register
-  * @brief  Reloads IWDG counter with value defined in the reload register
+  * @rmtoll KR           KEY           LL_IWDG_ReloadCounter
-  * @rmtoll KR           KEY           LL_IWDG_ReloadCounter
+  * @param  IWDGx IWDG Instance
-  * @param  IWDGx IWDG Instance
+  * @retval None
-  * @retval None
+  */
-  */
+__STATIC_INLINE void LL_IWDG_ReloadCounter(IWDG_TypeDef *IWDGx)
-__STATIC_INLINE void LL_IWDG_ReloadCounter(IWDG_TypeDef *IWDGx)
+{
-{
+  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_RELOAD);
-  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_RELOAD);
+}
-}
+/**
-/**
+  * @brief  Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
-  * @brief  Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
+  * @rmtoll KR           KEY           LL_IWDG_EnableWriteAccess
-  * @rmtoll KR           KEY           LL_IWDG_EnableWriteAccess
+  * @param  IWDGx IWDG Instance
-  * @param  IWDGx IWDG Instance
+  * @retval None
-  * @retval None
+  */
-  */
+__STATIC_INLINE void LL_IWDG_EnableWriteAccess(IWDG_TypeDef *IWDGx)
-__STATIC_INLINE void LL_IWDG_EnableWriteAccess(IWDG_TypeDef *IWDGx)
+{
-{
+  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE);
-  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE);
+}
-}
+/**
-/**
+  * @brief  Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
-  * @brief  Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
+  * @rmtoll KR           KEY           LL_IWDG_DisableWriteAccess
-  * @rmtoll KR           KEY           LL_IWDG_DisableWriteAccess
+  * @param  IWDGx IWDG Instance
-  * @param  IWDGx IWDG Instance
+  * @retval None
-  * @retval None
+  */
-  */
+__STATIC_INLINE void LL_IWDG_DisableWriteAccess(IWDG_TypeDef *IWDGx)
-__STATIC_INLINE void LL_IWDG_DisableWriteAccess(IWDG_TypeDef *IWDGx)
+{
-{
+  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE);
-  WRITE_REG(IWDGx->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE);
+}
-}
+/**
-/**
+  * @brief  Select the prescaler of the IWDG
-  * @brief  Select the prescaler of the IWDG
+  * @rmtoll PR           PR            LL_IWDG_SetPrescaler
-  * @rmtoll PR           PR            LL_IWDG_SetPrescaler
+  * @param  IWDGx IWDG Instance
-  * @param  IWDGx IWDG Instance
+  * @param  Prescaler This parameter can be one of the following values:
-  * @param  Prescaler This parameter can be one of the following values:
+  *         @arg @ref LL_IWDG_PRESCALER_4
-  *         @arg @ref LL_IWDG_PRESCALER_4
+  *         @arg @ref LL_IWDG_PRESCALER_8
-  *         @arg @ref LL_IWDG_PRESCALER_8
+  *         @arg @ref LL_IWDG_PRESCALER_16
-  *         @arg @ref LL_IWDG_PRESCALER_16
+  *         @arg @ref LL_IWDG_PRESCALER_32
-  *         @arg @ref LL_IWDG_PRESCALER_32
+  *         @arg @ref LL_IWDG_PRESCALER_64
-  *         @arg @ref LL_IWDG_PRESCALER_64
+  *         @arg @ref LL_IWDG_PRESCALER_128
-  *         @arg @ref LL_IWDG_PRESCALER_128
+  *         @arg @ref LL_IWDG_PRESCALER_256
-  *         @arg @ref LL_IWDG_PRESCALER_256
+  * @retval None
-  * @retval None
+  */
-  */
+__STATIC_INLINE void LL_IWDG_SetPrescaler(IWDG_TypeDef *IWDGx, uint32_t Prescaler)
-__STATIC_INLINE void LL_IWDG_SetPrescaler(IWDG_TypeDef *IWDGx, uint32_t Prescaler)
+{
-{
+  WRITE_REG(IWDGx->PR, IWDG_PR_PR & Prescaler);
-  WRITE_REG(IWDGx->PR, IWDG_PR_PR & Prescaler);
+}
-}
+/**
-/**
+  * @brief  Get the selected prescaler of the IWDG
-  * @brief  Get the selected prescaler of the IWDG
+  * @rmtoll PR           PR            LL_IWDG_GetPrescaler
-  * @rmtoll PR           PR            LL_IWDG_GetPrescaler
+  * @param  IWDGx IWDG Instance
-  * @param  IWDGx IWDG Instance
+  * @retval Returned value can be one of the following values:
-  * @retval Returned value can be one of the following values:
+  *         @arg @ref LL_IWDG_PRESCALER_4
-  *         @arg @ref LL_IWDG_PRESCALER_4
+  *         @arg @ref LL_IWDG_PRESCALER_8
-  *         @arg @ref LL_IWDG_PRESCALER_8
+  *         @arg @ref LL_IWDG_PRESCALER_16
-  *         @arg @ref LL_IWDG_PRESCALER_16
+  *         @arg @ref LL_IWDG_PRESCALER_32
-  *         @arg @ref LL_IWDG_PRESCALER_32
+  *         @arg @ref LL_IWDG_PRESCALER_64
-  *         @arg @ref LL_IWDG_PRESCALER_64
+  *         @arg @ref LL_IWDG_PRESCALER_128
-  *         @arg @ref LL_IWDG_PRESCALER_128
+  *         @arg @ref LL_IWDG_PRESCALER_256
-  *         @arg @ref LL_IWDG_PRESCALER_256
+  */
-  */
+__STATIC_INLINE uint32_t LL_IWDG_GetPrescaler(IWDG_TypeDef *IWDGx)
-__STATIC_INLINE uint32_t LL_IWDG_GetPrescaler(IWDG_TypeDef *IWDGx)
+{
-{
+  return (READ_REG(IWDGx->PR));
-  return (READ_REG(IWDGx->PR));
+}
-}
+/**
-/**
+  * @brief  Specify the IWDG down-counter reload value
-  * @brief  Specify the IWDG down-counter reload value
+  * @rmtoll RLR          RL            LL_IWDG_SetReloadCounter
-  * @rmtoll RLR          RL            LL_IWDG_SetReloadCounter
+  * @param  IWDGx IWDG Instance
-  * @param  IWDGx IWDG Instance
+  * @param  Counter Value between Min_Data=0 and Max_Data=0x0FFF
-  * @param  Counter Value between Min_Data=0 and Max_Data=0x0FFF
+  * @retval None
-  * @retval None
+  */
-  */
+__STATIC_INLINE void LL_IWDG_SetReloadCounter(IWDG_TypeDef *IWDGx, uint32_t Counter)
-__STATIC_INLINE void LL_IWDG_SetReloadCounter(IWDG_TypeDef *IWDGx, uint32_t Counter)
+{
-{
+  WRITE_REG(IWDGx->RLR, IWDG_RLR_RL & Counter);
-  WRITE_REG(IWDGx->RLR, IWDG_RLR_RL & Counter);
+}
-}
+/**
-/**
+  * @brief  Get the specified IWDG down-counter reload value
-  * @brief  Get the specified IWDG down-counter reload value
+  * @rmtoll RLR          RL            LL_IWDG_GetReloadCounter
-  * @rmtoll RLR          RL            LL_IWDG_GetReloadCounter
+  * @param  IWDGx IWDG Instance
-  * @param  IWDGx IWDG Instance
+  * @retval Value between Min_Data=0 and Max_Data=0x0FFF
-  * @retval Value between Min_Data=0 and Max_Data=0x0FFF
+  */
-  */
+__STATIC_INLINE uint32_t LL_IWDG_GetReloadCounter(IWDG_TypeDef *IWDGx)
-__STATIC_INLINE uint32_t LL_IWDG_GetReloadCounter(IWDG_TypeDef *IWDGx)
+{
-{
+  return (READ_REG(IWDGx->RLR));
-  return (READ_REG(IWDGx->RLR));
+}
-}
+/**
-/**
+  * @}
-  * @}
+  */
-  */
+/** @defgroup IWDG_LL_EF_FLAG_Management FLAG_Management
-/** @defgroup IWDG_LL_EF_FLAG_Management FLAG_Management
+  * @{
-  * @{
+  */
-  */
+/**
-/**
+  * @brief  Check if flag Prescaler Value Update is set or not
-  * @brief  Check if flag Prescaler Value Update is set or not
+  * @rmtoll SR           PVU           LL_IWDG_IsActiveFlag_PVU
-  * @rmtoll SR           PVU           LL_IWDG_IsActiveFlag_PVU
+  * @param  IWDGx IWDG Instance
-  * @param  IWDGx IWDG Instance
+  * @retval State of bit (1 or 0).
-  * @retval State of bit (1 or 0).
+  */
-  */
+__STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_PVU(IWDG_TypeDef *IWDGx)
-__STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_PVU(IWDG_TypeDef *IWDGx)
+{
-{
+  return ((READ_BIT(IWDGx->SR, IWDG_SR_PVU) == (IWDG_SR_PVU)) ? 1UL : 0UL);
-  return ((READ_BIT(IWDGx->SR, IWDG_SR_PVU) == (IWDG_SR_PVU)) ? 1UL : 0UL);
+}
-}
+/**
-/**
+  * @brief  Check if flag Reload Value Update is set or not
-  * @brief  Check if flag Reload Value Update is set or not
+  * @rmtoll SR           RVU           LL_IWDG_IsActiveFlag_RVU
-  * @rmtoll SR           RVU           LL_IWDG_IsActiveFlag_RVU
+  * @param  IWDGx IWDG Instance
-  * @param  IWDGx IWDG Instance
+  * @retval State of bit (1 or 0).
-  * @retval State of bit (1 or 0).
+  */
-  */
+__STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_RVU(IWDG_TypeDef *IWDGx)
-__STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_RVU(IWDG_TypeDef *IWDGx)
+{
-{
+  return ((READ_BIT(IWDGx->SR, IWDG_SR_RVU) == (IWDG_SR_RVU)) ? 1UL : 0UL);
-  return ((READ_BIT(IWDGx->SR, IWDG_SR_RVU) == (IWDG_SR_RVU)) ? 1UL : 0UL);
+}
-}
+/**
-/**
+  * @brief  Check if flags Prescaler & Reload Value Update are reset or not
-  * @brief  Check if flags Prescaler & Reload Value Update are reset or not
+  * @rmtoll SR           PVU           LL_IWDG_IsReady\n
-  * @rmtoll SR           PVU           LL_IWDG_IsReady\n
+  *         SR           RVU           LL_IWDG_IsReady
-  *         SR           RVU           LL_IWDG_IsReady
+  * @param  IWDGx IWDG Instance
-  * @param  IWDGx IWDG Instance
+  * @retval State of bits (1 or 0).
-  * @retval State of bits (1 or 0).
+  */
-  */
+__STATIC_INLINE uint32_t LL_IWDG_IsReady(IWDG_TypeDef *IWDGx)
-__STATIC_INLINE uint32_t LL_IWDG_IsReady(IWDG_TypeDef *IWDGx)
+{
-{
+  return ((READ_BIT(IWDGx->SR, IWDG_SR_PVU | IWDG_SR_RVU) == 0U) ? 1UL : 0UL);
-  return ((READ_BIT(IWDGx->SR, IWDG_SR_PVU | IWDG_SR_RVU) == 0U) ? 1UL : 0UL);
+}
-}
+/**
-/**
+  * @}
-  * @}
+  */
-  */
+/**
-/**
+  * @}
-  * @}
+  */
-  */
+/**
-/**
+  * @}
-  * @}
+  */
-  */
+#endif /* IWDG */
-#endif /* IWDG */
+/**
-/**
+  * @}
-  * @}
+  */
-  */
+#ifdef __cplusplus
-#ifdef __cplusplus
+}
-}
+#endif
-#endif
+#endif /* STM32L1xx_LL_IWDG_H */
-#endif /* STM32L1xx_LL_IWDG_H */
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

Subversion Repositories DashDisplay

(root)/branches/Dashboard_L152_v2/Drivers/STM32L1xx_HAL_Driver/Inc/stm32l1xx_ll_iwdg.h – Rev 61 → 77