tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_crc.h

   1 /**
   2   ******************************************************************************
   3   * @file    stm32l0xx_hal_crc.h
   4   * @author  MCD Application Team
   5   * @version V1.2.0
   6   * @date    06-February-2015
   7   * @brief   Header file of CRC HAL module.
   8   ******************************************************************************
   9   * @attention
  10   *
  11   * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
  12   *
  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.
  23   *
  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.
  34   *
  35   ******************************************************************************
  36   */
  37
  38 /* Define to prevent recursive inclusion -------------------------------------*/
  39 #ifndef __STM32L0xx_HAL_CRC_H
  40 #define __STM32L0xx_HAL_CRC_H
  41
  42 #ifdef __cplusplus
  43  extern "C" {
  44 #endif
  45
  46 /* Includes ------------------------------------------------------------------*/
  47 #include "stm32l0xx_hal_def.h"
  48
  49 /** @addtogroup STM32L0xx_HAL_Driver
  50   * @{
  51   */
  52
  53 /** @defgroup CRC CRC
  54   * @{
  55   */
  56
  57 /* Exported types ------------------------------------------------------------*/
  58
  59 /**
  60   * @brief  CRC HAL State Structure definition
  61   */
  62 typedef enum
  63 {
  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                     */
  69 }HAL_CRC_StateTypeDef;
  70
  71
  72 /**
  73   * @brief CRC Init Structure definition
  74   */
  75 typedef struct
  76 {
  77   uint8_t DefaultPolynomialUse;       /*!< This parameter is a value of @ref CRC_Default_Polynomial and indicates if default polynomial is used.
  78                                             If set to DEFAULT_POLYNOMIAL_ENABLE, resort to default
  79                                             X^32 + X^26 + X^23 + X^22 + X^16 + X^12 + X^11 + X^10 +X^8 + X^7 + X^5 + X^4 + X^2+ X +1.
  80                                             In that case, there is no need to set GeneratingPolynomial field.
  81                                             If otherwise set to DEFAULT_POLYNOMIAL_DISABLE, GeneratingPolynomial and CRCLength fields must be set */
  82
  83   uint8_t DefaultInitValueUse;        /*!< This parameter is a value of @ref CRC_Default_InitValue_Use and indicates if default init value is used.
  84                                            If set to DEFAULT_INIT_VALUE_ENABLE, resort to default
  85                                            0xFFFFFFFF value. In that case, there is no need to set InitValue field.
  86                                            If otherwise set to DEFAULT_INIT_VALUE_DISABLE,  InitValue field must be set */
  87
  88   uint32_t GeneratingPolynomial;      /*!< Set CRC generating polynomial. 7, 8, 16 or 32-bit long value for a polynomial degree
  89                                            respectively equal to 7, 8, 16 or 32. This field is written in normal representation,
  90                                            e.g., for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65.
  91                                            No need to specify it if DefaultPolynomialUse is set to DEFAULT_POLYNOMIAL_ENABLE   */
  92
  93   uint32_t CRCLength;                 /*!< This parameter is a value of @ref CRC_Polynomial_Sizes and indicates CRC length.
  94                                            Value can be either one of
  95                                            CRC_POLYLENGTH_32B                  (32-bit CRC)
  96                                            CRC_POLYLENGTH_16B                  (16-bit CRC)
  97                                            CRC_POLYLENGTH_8B                   (8-bit CRC)
  98                                            CRC_POLYLENGTH_7B                   (7-bit CRC) */
  99
 100   uint32_t InitValue;                 /*!< Init value to initiate CRC computation. No need to specify it if DefaultInitValueUse
 101                                            is set to DEFAULT_INIT_VALUE_ENABLE   */
 102
 103   uint32_t InputDataInversionMode;    /*!< This parameter is a value of @ref CRCEx_Input_Data_Inversion and specifies input data inversion mode.
 104                                            Can be either one of the following values
 105                                            CRC_INPUTDATA_INVERSION_NONE      no input data inversion
 106                                            CRC_INPUTDATA_INVERSION_BYTE      byte-wise inversion, 0x1A2B3C4D becomes 0x58D43CB2
 107                                            CRC_INPUTDATA_INVERSION_HALFWORD  halfword-wise inversion, 0x1A2B3C4D becomes 0xD458B23C
 108                                            CRC_INPUTDATA_INVERSION_WORD      word-wise inversion, 0x1A2B3C4D becomes 0xB23CD458 */
 109
 110   uint32_t OutputDataInversionMode;   /*!< This parameter is a value of @ref CRCEx_Output_Data_Inversion and specifies output data (i.e. CRC) inversion mode.
 111                                             Can be either
 112                                             CRC_OUTPUTDATA_INVERSION_DISABLE   no CRC inversion, or
 113                                             CRC_OUTPUTDATA_INVERSION_ENABLE    CRC 0x11223344 is converted into 0x22CC4488 */
 114 }CRC_InitTypeDef;
 115
 116
 117 /**
 118   * @brief  CRC Handle Structure definition
 119   */
 120 typedef struct
 121 {
 122   CRC_TypeDef                 *Instance;   /*!< Register base address        */
 123
 124   CRC_InitTypeDef             Init;        /*!< CRC configuration parameters */
 125
 126   HAL_LockTypeDef             Lock;        /*!< CRC Locking object           */
 127
 128   __IO HAL_CRC_StateTypeDef   State;       /*!< CRC communication state      */
 129
 130   uint32_t InputDataFormat;                /*!< This parameter is a value of @ref CRC_Input_Buffer_Format and specifies input data format.
 131                                             Can be either
 132                                             CRC_INPUTDATA_FORMAT_BYTES       input data is a stream of bytes (8-bit data)
 133                                             CRC_INPUTDATA_FORMAT_HALFWORDS   input data is a stream of half-words (16-bit data)
 134                                             CRC_INPUTDATA_FORMAT_WORDS       input data is a stream of words (32-bits data)
 135                                            Note that constant CRC_INPUT_FORMAT_UNDEFINED is defined but an initialization error
 136                                            must occur if InputBufferFormat is not one of the three values listed above  */
 137 }CRC_HandleTypeDef;
 138
 139 /* Exported constants --------------------------------------------------------*/
 140 /** @defgroup CRC_Exported_Constants   CRC exported constants
 141   * @{
 142   */
 143
 144 /** @defgroup CRC_Default_Polynomial_Value    Default CRC generating polynomial
 145   * @{
 146   */
 147 #define DEFAULT_CRC32_POLY      0x04C11DB7
 148
 149 /**
 150   * @}
 151   */
 152
 153 /** @defgroup CRC_Default_InitValue    Default CRC computation initialization value
 154   * @{
 155   */
 156 #define DEFAULT_CRC_INITVALUE   0xFFFFFFFF
 157
 158 /**
 159   * @}
 160   */
 161
 162 /** @defgroup CRC_Default_Polynomial    Indicates whether or not default polynomial is used
 163   * @{
 164   */
 165 #define DEFAULT_POLYNOMIAL_ENABLE       ((uint8_t)0x00)
 166 #define DEFAULT_POLYNOMIAL_DISABLE      ((uint8_t)0x01)
 167
 168 #define IS_DEFAULT_POLYNOMIAL(__DEFAULT__) (((__DEFAULT__) == DEFAULT_POLYNOMIAL_ENABLE) || \
 169                                             ((__DEFAULT__) == DEFAULT_POLYNOMIAL_DISABLE))
 170
 171 /**
 172   * @}
 173   */
 174
 175 /** @defgroup CRC_Default_InitValue_Use    Indicates whether or not default init value is used
 176   * @{
 177   */
 178 #define DEFAULT_INIT_VALUE_ENABLE      ((uint8_t)0x00)
 179 #define DEFAULT_INIT_VALUE_DISABLE     ((uint8_t)0x01)
 180
 181 #define IS_DEFAULT_INIT_VALUE(__VALUE__)  (((__VALUE__) == DEFAULT_INIT_VALUE_ENABLE) || \
 182                                            ((__VALUE__) == DEFAULT_INIT_VALUE_DISABLE))
 183
 184 /**
 185   * @}
 186   */
 187
 188 /** @defgroup CRC_Polynomial_Sizes Polynomial sizes to configure the IP
 189   * @{
 190   */
 191 #define CRC_POLYLENGTH_32B                  ((uint32_t)0x00000000)
 192 #define CRC_POLYLENGTH_16B                  ((uint32_t)CRC_CR_POLYSIZE_0)
 193 #define CRC_POLYLENGTH_8B                   ((uint32_t)CRC_CR_POLYSIZE_1)
 194 #define CRC_POLYLENGTH_7B                   ((uint32_t)CRC_CR_POLYSIZE)
 195 #define IS_CRC_POL_LENGTH(__LENGTH__)     (((__LENGTH__) == CRC_POLYLENGTH_32B) || \
 196                                            ((__LENGTH__) == CRC_POLYLENGTH_16B) || \
 197                                            ((__LENGTH__) == CRC_POLYLENGTH_8B)  || \
 198                                            ((__LENGTH__) == CRC_POLYLENGTH_7B))
 199 /**
 200   * @}
 201   */
 202
 203 /** @defgroup CRC_Polynomial_Size_Definitions CRC polynomial possible sizes actual definitions
 204   * @{
 205   */
 206 #define HAL_CRC_LENGTH_32B     32
 207 #define HAL_CRC_LENGTH_16B     16
 208 #define HAL_CRC_LENGTH_8B       8
 209 #define HAL_CRC_LENGTH_7B       7
 210
 211 /**
 212   * @}
 213   */
 214
 215 /** @defgroup CRC_Input_Buffer_Format CRC input buffer format
 216   * @{
 217   */
 218 /* WARNING: CRC_INPUT_FORMAT_UNDEFINED is created for reference purposes but
 219  * an error is triggered in HAL_CRC_Init() if InputDataFormat field is set
 220  * to CRC_INPUT_FORMAT_UNDEFINED: the format MUST be defined by the user for
 221  * the CRC APIs to provide a correct result */
 222 #define CRC_INPUTDATA_FORMAT_UNDEFINED             ((uint32_t)0x00000000)
 223 #define CRC_INPUTDATA_FORMAT_BYTES                 ((uint32_t)0x00000001)
 224 #define CRC_INPUTDATA_FORMAT_HALFWORDS             ((uint32_t)0x00000002)
 225 #define CRC_INPUTDATA_FORMAT_WORDS                 ((uint32_t)0x00000003)
 226
 227 #define IS_CRC_INPUTDATA_FORMAT(__FORMAT__)       (((__FORMAT__) == CRC_INPUTDATA_FORMAT_BYTES) || \
 228                                                    ((__FORMAT__) == CRC_INPUTDATA_FORMAT_HALFWORDS) || \
 229                                                    ((__FORMAT__) == CRC_INPUTDATA_FORMAT_WORDS))
 230 /**
 231   * @}
 232   */
 233
 234 /**
 235   * @}
 236   */
 237 /* Exported macros -----------------------------------------------------------*/
 238
 239 /** @defgroup CRC_Exported_Macros CRC exported macros
 240   * @{
 241   */
 242
 243 /** @brief Reset CRC handle state
 244   * @param  __HANDLE__: CRC handle.
 245   * @retval None
 246   */
 247 #define __HAL_CRC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CRC_STATE_RESET)
 248
 249 /**
 250   * @brief  Reset CRC Data Register.
 251   * @param  __HANDLE__: CRC handle
 252   * @retval None.
 253   */
 254 #define __HAL_CRC_DR_RESET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_RESET)
 255
 256 /**
 257   * @brief  Set CRC INIT non-default value
 258   * @param  __HANDLE__    : CRC handle
 259   * @param  __INIT__      : 32-bit initial value
 260   * @retval None.
 261   */
 262 #define __HAL_CRC_INITIALCRCVALUE_CONFIG(__HANDLE__, __INIT__) ((__HANDLE__)->Instance->INIT = (__INIT__))
 263
 264 /**
 265   * @brief Stores a 8-bit data in the Independent Data(ID) register.
 266   * @param __HANDLE__: CRC handle
 267   * @param __VALUE__: 8-bit value to be stored in the ID register
 268   * @retval None
 269   */
 270 #define __HAL_CRC_SET_IDR(__HANDLE__, __VALUE__) (MODIFY_REG((__HANDLE__)->Instance->IDR, CRC_IDR_IDR, (__VALUE__))
 271
 272 /**
 273   * @brief Returns the 8-bit data stored in the Independent Data(ID) register.
 274   * @param __HANDLE__: CRC handle
 275   * @retval 8-bit value of the ID register
 276   */
 277 #define __HAL_CRC_GET_IDR(__HANDLE__) (((__HANDLE__)->Instance->IDR) & CRC_IDR_IDR)
 278 /**
 279   * @}
 280   */
 281
 282
 283 /* Include CRC HAL Extension module */
 284 #include "stm32l0xx_hal_crc_ex.h"
 285
 286 /* Exported functions --------------------------------------------------------*/
 287 /** @defgroup CRC_Exported_Functions CRC Exported Functions
 288   * @{
 289   */
 290
 291 /** @defgroup CRC_Exported_Functions_Group1 Initialization/de-initialization functions
 292   * @{
 293   */
 294 /* Initialization and de-initialization functions  ****************************/
 295 HAL_StatusTypeDef HAL_CRC_Init(CRC_HandleTypeDef *hcrc);
 296 HAL_StatusTypeDef HAL_CRC_DeInit (CRC_HandleTypeDef *hcrc);
 297 void HAL_CRC_MspInit(CRC_HandleTypeDef *hcrc);
 298 void HAL_CRC_MspDeInit(CRC_HandleTypeDef *hcrc);
 299 /**
 300   * @}
 301   */
 302
 303 /* Aliases for inter STM32 series compatibility */
 304 #define HAL_CRC_Input_Data_Reverse   HAL_CRCEx_Input_Data_Reverse
 305 #define HAL_CRC_Output_Data_Reverse  HAL_CRCEx_Output_Data_Reverse
 306
 307 /** @defgroup CRC_Exported_Functions_Group2 Peripheral Control functions
 308   * @{
 309   */
 310 /* Peripheral Control functions ***********************************************/
 311 uint32_t HAL_CRC_Accumulate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
 312 uint32_t HAL_CRC_Calculate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
 313 /**
 314   * @}
 315   */
 316
 317 /** @defgroup CRC_Exported_Functions_Group3 Peripheral State functions
 318   * @{
 319   */
 320 /* Peripheral State and Error functions ***************************************/
 321 HAL_CRC_StateTypeDef HAL_CRC_GetState(CRC_HandleTypeDef *hcrc);
 322 /**
 323   * @}
 324   */
 325
 326 /**
 327   * @}
 328   */
 329
 330
 331 /**
 332   * @}
 333   */
 334
 335 /**
 336   * @}
 337   */
 338
 339 #ifdef __cplusplus
 340 }
 341 #endif
 342
 343 #endif /* __STM32L0xx_HAL_CRC_H */
 344
 345 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 346