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view Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_crc.h @ 152:bc7795161549 FlipDisplay
Moved button evaluation out of interrupt handler
author | Ideenmodellierer |
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date | Sun, 03 Mar 2019 12:18:44 +0100 |
parents | c78bcbd5deda |
children |
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/** ****************************************************************************** * @file stm32f4xx_ll_crc.h * @author MCD Application Team * @brief Header file of CRC 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_CRC_H #define __STM32F4xx_LL_CRC_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f4xx.h" /** @addtogroup STM32F4xx_LL_Driver * @{ */ #if defined(CRC) /** @defgroup CRC_LL CRC * @{ */ /* Private types -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ /* Exported types ------------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ /* Exported macro ------------------------------------------------------------*/ /** @defgroup CRC_LL_Exported_Macros CRC Exported Macros * @{ */ /** @defgroup CRC_LL_EM_WRITE_READ Common Write and read registers Macros * @{ */ /** * @brief Write a value in CRC register * @param __INSTANCE__ CRC Instance * @param __REG__ Register to be written * @param __VALUE__ Value to be written in the register * @retval None */ #define LL_CRC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) /** * @brief Read a value in CRC register * @param __INSTANCE__ CRC Instance * @param __REG__ Register to be read * @retval Register value */ #define LL_CRC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) /** * @} */ /** * @} */ /* Exported functions --------------------------------------------------------*/ /** @defgroup CRC_LL_Exported_Functions CRC Exported Functions * @{ */ /** @defgroup CRC_LL_EF_Configuration CRC Configuration functions * @{ */ /** * @brief Reset the CRC calculation unit. * @rmtoll CR RESET LL_CRC_ResetCRCCalculationUnit * @param CRCx CRC Instance * @retval None */ __STATIC_INLINE void LL_CRC_ResetCRCCalculationUnit(CRC_TypeDef *CRCx) { WRITE_REG(CRCx->CR, CRC_CR_RESET); } /** * @} */ /** @defgroup CRC_LL_EF_Data_Management Data_Management * @{ */ /** * @brief Write given 32-bit data to the CRC calculator * @rmtoll DR DR LL_CRC_FeedData32 * @param CRCx CRC Instance * @param InData value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFFFFFF * @retval None */ __STATIC_INLINE void LL_CRC_FeedData32(CRC_TypeDef *CRCx, uint32_t InData) { WRITE_REG(CRCx->DR, InData); } /** * @brief Return current CRC calculation result. 32 bits value is returned. * @rmtoll DR DR LL_CRC_ReadData32 * @param CRCx CRC Instance * @retval Current CRC calculation result as stored in CRC_DR register (32 bits). */ __STATIC_INLINE uint32_t LL_CRC_ReadData32(CRC_TypeDef *CRCx) { return (uint32_t)(READ_REG(CRCx->DR)); } /** * @brief Return data stored in the Independent Data(IDR) register. * @note This register can be used as a temporary storage location for one byte. * @rmtoll IDR IDR LL_CRC_Read_IDR * @param CRCx CRC Instance * @retval Value stored in CRC_IDR register (General-purpose 8-bit data register). */ __STATIC_INLINE uint32_t LL_CRC_Read_IDR(CRC_TypeDef *CRCx) { return (uint32_t)(READ_REG(CRCx->IDR)); } /** * @brief Store data in the Independent Data(IDR) register. * @note This register can be used as a temporary storage location for one byte. * @rmtoll IDR IDR LL_CRC_Write_IDR * @param CRCx CRC Instance * @param InData value to be stored in CRC_IDR register (8-bit) between between Min_Data=0 and Max_Data=0xFF * @retval None */ __STATIC_INLINE void LL_CRC_Write_IDR(CRC_TypeDef *CRCx, uint32_t InData) { *((uint8_t __IO *)(&CRCx->IDR)) = (uint8_t) InData; } /** * @} */ #if defined(USE_FULL_LL_DRIVER) /** @defgroup CRC_LL_EF_Init Initialization and de-initialization functions * @{ */ ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx); /** * @} */ #endif /* USE_FULL_LL_DRIVER */ /** * @} */ /** * @} */ #endif /* defined(CRC) */ /** * @} */ #ifdef __cplusplus } #endif #endif /* __STM32F4xx_LL_CRC_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/