mirror of
https://github.com/rene-dev/stmbl.git
synced 2024-12-25 10:02:18 +00:00
364 lines
12 KiB
C
364 lines
12 KiB
C
/**
|
|
******************************************************************************
|
|
* @file stm32f3xx_ll_iwdg.h
|
|
* @author MCD Application Team
|
|
* @version V1.3.0
|
|
* @date 01-July-2016
|
|
* @brief Header file of IWDG LL 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 __STM32F3xx_LL_IWDG_H
|
|
#define __STM32F3xx_LL_IWDG_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "stm32f3xx.h"
|
|
|
|
/** @addtogroup STM32F3xx_LL_Driver
|
|
* @{
|
|
*/
|
|
|
|
#if defined(IWDG)
|
|
|
|
/** @defgroup IWDG_LL IWDG
|
|
* @{
|
|
*/
|
|
|
|
/* Private types -------------------------------------------------------------*/
|
|
/* Private variables ---------------------------------------------------------*/
|
|
|
|
/* Private constants ---------------------------------------------------------*/
|
|
/** @defgroup IWDG_LL_Private_Constants IWDG Private Constants
|
|
* @{
|
|
*/
|
|
|
|
#define LL_IWDG_KEY_RELOAD ((uint32_t)0x0000AAAAU) /*!< IWDG Reload Counter Enable */
|
|
#define LL_IWDG_KEY_ENABLE ((uint32_t)0x0000CCCCU) /*!< IWDG Peripheral Enable */
|
|
#define LL_IWDG_KEY_WR_ACCESS_ENABLE ((uint32_t)0x00005555U) /*!< IWDG KR Write Access Enable */
|
|
#define LL_IWDG_KEY_WR_ACCESS_DISABLE ((uint32_t)0x00000000U) /*!< IWDG KR Write Access Disable */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/* Private macros ------------------------------------------------------------*/
|
|
|
|
/* Exported types ------------------------------------------------------------*/
|
|
/* Exported constants --------------------------------------------------------*/
|
|
/** @defgroup IWDG_LL_Exported_Constants IWDG Exported Constants
|
|
* @{
|
|
*/
|
|
|
|
/** @defgroup IWDG_LL_EC_GET_FLAG Get Flags Defines
|
|
* @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_RVU IWDG_SR_RVU /*!< Watchdog counter reload value update */
|
|
#define LL_IWDG_SR_WVU IWDG_SR_WVU /*!< Watchdog counter window value update */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup IWDG_LL_EC_PRESCALER Prescaler Divider
|
|
* @{
|
|
*/
|
|
#define LL_IWDG_PRESCALER_4 ((uint32_t)0x00000000U) /*!< Divider by 4 */
|
|
#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_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_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 */
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/* Exported macro ------------------------------------------------------------*/
|
|
/** @defgroup IWDG_LL_Exported_Macros IWDG Exported Macros
|
|
* @{
|
|
*/
|
|
|
|
/** @defgroup IWDG_LL_EM_WRITE_READ Common Write and read registers Macros
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Write a value in IWDG register
|
|
* @param __INSTANCE__ IWDG Instance
|
|
* @param __REG__ Register to be written
|
|
* @param __VALUE__ Value to be written in the register
|
|
* @retval None
|
|
*/
|
|
#define LL_IWDG_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
|
|
|
|
/**
|
|
* @brief Read a value in IWDG register
|
|
* @param __INSTANCE__ IWDG Instance
|
|
* @param __REG__ Register to be read
|
|
* @retval Register value
|
|
*/
|
|
#define LL_IWDG_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/* Exported functions --------------------------------------------------------*/
|
|
/** @defgroup IWDG_LL_Exported_Functions IWDG Exported Functions
|
|
* @{
|
|
*/
|
|
/** @defgroup IWDG_LL_EF_Configuration Configuration
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Start the Independent Watchdog
|
|
* @note Except if the hardware watchdog option is selected
|
|
* @rmtoll KR KEY LL_IWDG_Enable
|
|
* @param IWDGx IWDG Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_IWDG_Enable(IWDG_TypeDef *IWDGx)
|
|
{
|
|
WRITE_REG(IWDG->KR, LL_IWDG_KEY_ENABLE);
|
|
}
|
|
|
|
/**
|
|
* @brief Reloads IWDG counter with value defined in the reload register
|
|
* @rmtoll KR KEY LL_IWDG_ReloadCounter
|
|
* @param IWDGx IWDG Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_IWDG_ReloadCounter(IWDG_TypeDef *IWDGx)
|
|
{
|
|
WRITE_REG(IWDG->KR, LL_IWDG_KEY_RELOAD);
|
|
}
|
|
|
|
/**
|
|
* @brief Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
|
|
* @rmtoll KR KEY LL_IWDG_EnableWriteAccess
|
|
* @param IWDGx IWDG Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_IWDG_EnableWriteAccess(IWDG_TypeDef *IWDGx)
|
|
{
|
|
WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_ENABLE);
|
|
}
|
|
|
|
/**
|
|
* @brief Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers
|
|
* @rmtoll KR KEY LL_IWDG_DisableWriteAccess
|
|
* @param IWDGx IWDG Instance
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_IWDG_DisableWriteAccess(IWDG_TypeDef *IWDGx)
|
|
{
|
|
WRITE_REG(IWDG->KR, LL_IWDG_KEY_WR_ACCESS_DISABLE);
|
|
}
|
|
|
|
/**
|
|
* @brief Select the prescaler of the IWDG
|
|
* @rmtoll PR PR LL_IWDG_SetPrescaler
|
|
* @param IWDGx IWDG Instance
|
|
* @param Prescaler This parameter can be one of the following values:
|
|
* @arg @ref LL_IWDG_PRESCALER_4
|
|
* @arg @ref LL_IWDG_PRESCALER_8
|
|
* @arg @ref LL_IWDG_PRESCALER_16
|
|
* @arg @ref LL_IWDG_PRESCALER_32
|
|
* @arg @ref LL_IWDG_PRESCALER_64
|
|
* @arg @ref LL_IWDG_PRESCALER_128
|
|
* @arg @ref LL_IWDG_PRESCALER_256
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_IWDG_SetPrescaler(IWDG_TypeDef *IWDGx, uint32_t Prescaler)
|
|
{
|
|
WRITE_REG(IWDGx->PR, IWDG_PR_PR & Prescaler);
|
|
}
|
|
|
|
/**
|
|
* @brief Get the selected prescaler of the IWDG
|
|
* @rmtoll PR PR LL_IWDG_GetPrescaler
|
|
* @param IWDGx IWDG Instance
|
|
* @retval Returned value can be one of the following values:
|
|
* @arg @ref LL_IWDG_PRESCALER_4
|
|
* @arg @ref LL_IWDG_PRESCALER_8
|
|
* @arg @ref LL_IWDG_PRESCALER_16
|
|
* @arg @ref LL_IWDG_PRESCALER_32
|
|
* @arg @ref LL_IWDG_PRESCALER_64
|
|
* @arg @ref LL_IWDG_PRESCALER_128
|
|
* @arg @ref LL_IWDG_PRESCALER_256
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_IWDG_GetPrescaler(IWDG_TypeDef *IWDGx)
|
|
{
|
|
return (uint32_t)(READ_REG(IWDGx->PR));
|
|
}
|
|
|
|
/**
|
|
* @brief Specify the IWDG down-counter reload value
|
|
* @rmtoll RLR RL LL_IWDG_SetReloadCounter
|
|
* @param IWDGx IWDG Instance
|
|
* @param Counter Value between Min_Data=0 and Max_Data=0x0FFF
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_IWDG_SetReloadCounter(IWDG_TypeDef *IWDGx, uint32_t Counter)
|
|
{
|
|
WRITE_REG(IWDGx->RLR, IWDG_RLR_RL & Counter);
|
|
}
|
|
|
|
/**
|
|
* @brief Get the specified IWDG down-counter reload value
|
|
* @rmtoll RLR RL LL_IWDG_GetReloadCounter
|
|
* @param IWDGx IWDG Instance
|
|
* @retval Value between Min_Data=0 and Max_Data=0x0FFF
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_IWDG_GetReloadCounter(IWDG_TypeDef *IWDGx)
|
|
{
|
|
return (uint32_t)(READ_REG(IWDGx->RLR));
|
|
}
|
|
|
|
/**
|
|
* @brief Specify high limit of the window value to be compared to the down-counter.
|
|
* @rmtoll WINR WIN LL_IWDG_SetWindow
|
|
* @param IWDGx IWDG Instance
|
|
* @param Window Value between Min_Data=0 and Max_Data=0x0FFF
|
|
* @retval None
|
|
*/
|
|
__STATIC_INLINE void LL_IWDG_SetWindow(IWDG_TypeDef *IWDGx, uint32_t Window)
|
|
{
|
|
WRITE_REG(IWDGx->WINR, IWDG_WINR_WIN & Window);
|
|
}
|
|
|
|
/**
|
|
* @brief Get the high limit of the window value specified.
|
|
* @rmtoll WINR WIN LL_IWDG_GetWindow
|
|
* @param IWDGx IWDG Instance
|
|
* @retval Value between Min_Data=0 and Max_Data=0x0FFF
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_IWDG_GetWindow(IWDG_TypeDef *IWDGx)
|
|
{
|
|
return (uint32_t)(READ_REG(IWDGx->WINR));
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/** @defgroup IWDG_LL_EF_FLAG_Management FLAG_Management
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* @brief Check if flag Prescaler Value Update is set or not
|
|
* @rmtoll SR PVU LL_IWDG_IsActiveFlag_PVU
|
|
* @param IWDGx IWDG Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_PVU(IWDG_TypeDef *IWDGx)
|
|
{
|
|
return (READ_BIT(IWDGx->SR, IWDG_SR_PVU) == (IWDG_SR_PVU));
|
|
}
|
|
|
|
/**
|
|
* @brief Check if flag Reload Value Update is set or not
|
|
* @rmtoll SR RVU LL_IWDG_IsActiveFlag_RVU
|
|
* @param IWDGx IWDG Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_RVU(IWDG_TypeDef *IWDGx)
|
|
{
|
|
return (READ_BIT(IWDGx->SR, IWDG_SR_RVU) == (IWDG_SR_RVU));
|
|
}
|
|
|
|
/**
|
|
* @brief Check if flag Window Value Update is set or not
|
|
* @rmtoll SR WVU LL_IWDG_IsActiveFlag_WVU
|
|
* @param IWDGx IWDG Instance
|
|
* @retval State of bit (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_IWDG_IsActiveFlag_WVU(IWDG_TypeDef *IWDGx)
|
|
{
|
|
return (READ_BIT(IWDGx->SR, IWDG_SR_WVU) == (IWDG_SR_WVU));
|
|
}
|
|
|
|
/**
|
|
* @brief Check if all flags Prescaler, Reload & Window Value Update are reset or not
|
|
* @rmtoll SR PVU LL_IWDG_IsReady\n
|
|
* SR WVU LL_IWDG_IsReady\n
|
|
* SR RVU LL_IWDG_IsReady
|
|
* @param IWDGx IWDG Instance
|
|
* @retval State of bits (1 or 0).
|
|
*/
|
|
__STATIC_INLINE uint32_t LL_IWDG_IsReady(IWDG_TypeDef *IWDGx)
|
|
{
|
|
return (READ_BIT(IWDGx->SR, IWDG_SR_PVU | IWDG_SR_RVU | IWDG_SR_WVU) == 0U);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* IWDG) */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __STM32F3xx_LL_IWDG_H */
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|