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diff Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_iwdg.h @ 128:c78bcbd5deda FlipDisplay
Added current STM32 standandard libraries in version independend folder structure
author | Ideenmodellierer |
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date | Sun, 17 Feb 2019 21:12:22 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_iwdg.h Sun Feb 17 21:12:22 2019 +0100 @@ -0,0 +1,327 @@ +/** + ****************************************************************************** + * @file stm32f4xx_ll_iwdg.h + * @author MCD Application Team + * @brief Header file of IWDG LL module. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2017 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_LL_IWDG_H +#define __STM32F4xx_LL_IWDG_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx.h" + +/** @addtogroup STM32F4xx_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 0x0000AAAAU /*!< IWDG Reload Counter 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_DISABLE 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 */ + +/** + * @} + */ + +/** @defgroup IWDG_LL_EC_PRESCALER Prescaler Divider + * @{ + */ +#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_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)); +} + + +/** + * @} + */ + +/** @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 all flags Prescaler, Reload & Window Value Update are reset or not + * @rmtoll SR PVU 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) == 0U); +} + +/** + * @} + */ + + +/** + * @} + */ + +/** + * @} + */ + +#endif /* IWDG) */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32F4xx_LL_IWDG_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/