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) 2017 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
54 * @brief CRC HAL module driver
58 /* Exported types ------------------------------------------------------------*/
59 /** @defgroup CRC_Exported_Types CRC Exported Types
63 /** @defgroup CRC_Exported_Types_Group1 CRC State Structure definition
68 HAL_CRC_STATE_RESET
= 0x00U
, /*!< CRC not yet initialized or disabled */
69 HAL_CRC_STATE_READY
= 0x01U
, /*!< CRC initialized and ready for use */
70 HAL_CRC_STATE_BUSY
= 0x02U
, /*!< CRC internal process is ongoing */
71 HAL_CRC_STATE_TIMEOUT
= 0x03U
, /*!< CRC timeout state */
72 HAL_CRC_STATE_ERROR
= 0x04U
/*!< CRC error state */
74 }HAL_CRC_StateTypeDef
;
79 /** @defgroup CRC_Exported_Types_Group2 CRC Handle Structure definition
84 CRC_TypeDef
*Instance
; /*!< Register base address */
86 HAL_LockTypeDef Lock
; /*!< CRC locking object */
88 __IO HAL_CRC_StateTypeDef State
; /*!< CRC communication state */
99 /* Exported constants --------------------------------------------------------*/
100 /* Exported macro ------------------------------------------------------------*/
101 /** @defgroup CRC_Exported_Macros CRC Exported Macros
105 /** @brief Resets CRC handle state
106 * @param __HANDLE__: CRC handle
109 #define __HAL_CRC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CRC_STATE_RESET)
112 * @brief Resets CRC Data Register.
113 * @param __HANDLE__: CRC handle
116 #define __HAL_CRC_DR_RESET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_RESET)
119 * @brief Stores a 8-bit data in the Independent Data(ID) register.
120 * @param __HANDLE__: CRC handle
121 * @param __VALUE__: 8-bit value to be stored in the ID register
124 #define __HAL_CRC_SET_IDR(__HANDLE__, __VALUE__) (WRITE_REG((__HANDLE__)->Instance->IDR, (__VALUE__)))
127 * @brief Returns the 8-bit data stored in the Independent Data(ID) register.
128 * @param __HANDLE__: CRC handle
129 * @retval 8-bit value of the ID register
131 #define __HAL_CRC_GET_IDR(__HANDLE__) (((__HANDLE__)->Instance->IDR) & CRC_IDR_IDR)
136 /* Exported functions --------------------------------------------------------*/
137 /** @defgroup CRC_Exported_Functions CRC Exported Functions
141 /** @defgroup CRC_Exported_Functions_Group1 Initialization and de-initialization functions
144 HAL_StatusTypeDef
HAL_CRC_Init(CRC_HandleTypeDef
*hcrc
);
145 HAL_StatusTypeDef
HAL_CRC_DeInit (CRC_HandleTypeDef
*hcrc
);
146 void HAL_CRC_MspInit(CRC_HandleTypeDef
*hcrc
);
147 void HAL_CRC_MspDeInit(CRC_HandleTypeDef
*hcrc
);
152 /** @defgroup CRC_Exported_Functions_Group2 Peripheral Control functions
155 uint32_t HAL_CRC_Accumulate(CRC_HandleTypeDef
*hcrc
, uint32_t pBuffer
[], uint32_t BufferLength
);
156 uint32_t HAL_CRC_Calculate(CRC_HandleTypeDef
*hcrc
, uint32_t pBuffer
[], uint32_t BufferLength
);
161 /** @defgroup CRC_Exported_Functions_Group3 Peripheral State functions
164 HAL_CRC_StateTypeDef
HAL_CRC_GetState(CRC_HandleTypeDef
*hcrc
);
172 /* Private types -------------------------------------------------------------*/
173 /** @defgroup CRC_Private_Types CRC Private Types
181 /* Private defines -----------------------------------------------------------*/
182 /** @defgroup CRC_Private_Defines CRC Private Defines
190 /* Private variables ---------------------------------------------------------*/
191 /** @defgroup CRC_Private_Variables CRC Private Variables
199 /* Private constants ---------------------------------------------------------*/
200 /** @defgroup CRC_Private_Constants CRC Private Constants
208 /* Private macros ------------------------------------------------------------*/
209 /** @defgroup CRC_Private_Macros CRC Private Macros
217 /* Private functions prototypes ----------------------------------------------*/
218 /** @defgroup CRC_Private_Functions_Prototypes CRC Private Functions Prototypes
226 /* Private functions ---------------------------------------------------------*/
227 /** @defgroup CRC_Private_Functions CRC Private Functions
247 #endif /* __STM32F4xx_HAL_CRC_H */
249 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/