2 ******************************************************************************
3 * @file stm32f4xx_hal_crc.h
4 * @author MCD Application Team
7 * @brief Header file of CRC HAL module.
8 ******************************************************************************
11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
13 * Redistribution and use in source and binary forms, with or without modification,
14 * are permitted provided that the following conditions are met:
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright notice,
18 * this list of conditions and the following disclaimer in the documentation
19 * and/or other materials provided with the distribution.
20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 ******************************************************************************
38 /* Define to prevent recursive inclusion -------------------------------------*/
39 #ifndef __STM32F4xx_HAL_CRC_H
40 #define __STM32F4xx_HAL_CRC_H
46 /* Includes ------------------------------------------------------------------*/
47 #include "stm32f4xx_hal_def.h"
49 /** @addtogroup STM32F4xx_HAL_Driver
57 /* Exported types ------------------------------------------------------------*/
60 * @brief CRC HAL State Structure definition
64 HAL_CRC_STATE_RESET = 0x00, /*!< CRC not yet initialized or disabled */
65 HAL_CRC_STATE_READY = 0x01, /*!< CRC initialized and ready for use */
66 HAL_CRC_STATE_BUSY = 0x02, /*!< CRC internal process is ongoing */
67 HAL_CRC_STATE_TIMEOUT = 0x03, /*!< CRC timeout state */
68 HAL_CRC_STATE_ERROR = 0x04 /*!< CRC error state */
70 }HAL_CRC_StateTypeDef;
73 * @brief CRC handle Structure definition
77 CRC_TypeDef *Instance; /*!< Register base address */
79 HAL_LockTypeDef Lock; /*!< CRC locking object */
81 __IO HAL_CRC_StateTypeDef State; /*!< CRC communication state */
85 /* Exported constants --------------------------------------------------------*/
86 /* Exported macro ------------------------------------------------------------*/
88 /** @brief Reset CRC handle state
89 * @param __HANDLE__: CRC handle
92 #define __HAL_CRC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CRC_STATE_RESET)
95 * @brief Resets CRC Data Register.
96 * @param __HANDLE__: CRC handle
99 #define __HAL_CRC_DR_RESET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_RESET)
102 * @brief Stores a 8-bit data in the Independent Data(ID) register.
103 * @param __HANDLE__: CRC handle
104 * @param __VALUE: 8-bit value to be stored in the ID register
107 #define __HAL_CRC_SET_IDR(__HANDLE__, __VALUE__) (MODIFY_REG((__HANDLE__)->Instance->IDR, CRC_IDR_IDR, (__VALUE__))
110 * @brief Returns the 8-bit data stored in the Independent Data(ID) register.
111 * @param __HANDLE__: CRC handle
112 * @retval 8-bit value of the ID register
114 #define __HAL_CRC_GET_IDR(__HANDLE__) (((__HANDLE__)->Instance->IDR) & CRC_IDR_IDR)
116 /* Exported functions --------------------------------------------------------*/
118 /* Initialization/de-initialization functions **********************************/
119 HAL_StatusTypeDef HAL_CRC_Init(CRC_HandleTypeDef *hcrc);
120 HAL_StatusTypeDef HAL_CRC_DeInit (CRC_HandleTypeDef *hcrc);
121 void HAL_CRC_MspInit(CRC_HandleTypeDef *hcrc);
122 void HAL_CRC_MspDeInit(CRC_HandleTypeDef *hcrc);
124 /* Peripheral Control functions ************************************************/
125 uint32_t HAL_CRC_Accumulate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
126 uint32_t HAL_CRC_Calculate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
128 /* Peripheral State functions **************************************************/
129 HAL_CRC_StateTypeDef HAL_CRC_GetState(CRC_HandleTypeDef *hcrc);
143 #endif /* __STM32F4xx_HAL_CRC_H */
145 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/