stm32f3xx_hal_crc.h 16 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366
  1. /**
  2. ******************************************************************************
  3. * @file stm32f3xx_hal_crc.h
  4. * @author MCD Application Team
  5. * @brief Header file of CRC HAL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
  10. *
  11. * Redistribution and use in source and binary forms, with or without modification,
  12. * are permitted provided that the following conditions are met:
  13. * 1. Redistributions of source code must retain the above copyright notice,
  14. * this list of conditions and the following disclaimer.
  15. * 2. Redistributions in binary form must reproduce the above copyright notice,
  16. * this list of conditions and the following disclaimer in the documentation
  17. * and/or other materials provided with the distribution.
  18. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  19. * may be used to endorse or promote products derived from this software
  20. * without specific prior written permission.
  21. *
  22. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  26. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  29. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32. *
  33. ******************************************************************************
  34. */
  35. /* Define to prevent recursive inclusion -------------------------------------*/
  36. #ifndef __STM32F3xx_HAL_CRC_H
  37. #define __STM32F3xx_HAL_CRC_H
  38. #ifdef __cplusplus
  39. extern "C" {
  40. #endif
  41. /* Includes ------------------------------------------------------------------*/
  42. #include "stm32f3xx_hal_def.h"
  43. /** @addtogroup STM32F3xx_HAL_Driver
  44. * @{
  45. */
  46. /** @addtogroup CRC CRC
  47. * @{
  48. */
  49. /* Exported types ------------------------------------------------------------*/
  50. /** @defgroup CRC_Exported_Types CRC Exported Types
  51. * @{
  52. */
  53. /**
  54. * @brief CRC HAL State Structure definition
  55. */
  56. typedef enum
  57. {
  58. HAL_CRC_STATE_RESET = 0x00U, /*!< CRC not yet initialized or disabled */
  59. HAL_CRC_STATE_READY = 0x01U, /*!< CRC initialized and ready for use */
  60. HAL_CRC_STATE_BUSY = 0x02U, /*!< CRC internal process is ongoing */
  61. HAL_CRC_STATE_TIMEOUT = 0x03U, /*!< CRC timeout state */
  62. HAL_CRC_STATE_ERROR = 0x04 /*!< CRC error state */
  63. }HAL_CRC_StateTypeDef;
  64. /**
  65. * @brief CRC Init Structure definition
  66. */
  67. typedef struct
  68. {
  69. uint8_t DefaultPolynomialUse; /*!< This parameter is a value of @ref CRC_Default_Polynomial and indicates if default polynomial is used.
  70. If set to DEFAULT_POLYNOMIAL_ENABLE, resort to default
  71. X^32U + X^26U + X^23U + X^22U + X^16U + X^12U + X^11U + X^10U +X^8U + X^7U + X^5U + X^4U + X^2U+ X +1.
  72. In that case, there is no need to set GeneratingPolynomial field.
  73. If otherwise set to DEFAULT_POLYNOMIAL_DISABLE, GeneratingPolynomial and CRCLength fields must be set. */
  74. uint8_t DefaultInitValueUse; /*!< This parameter is a value of @ref CRC_Default_InitValue_Use and indicates if default init value is used.
  75. If set to DEFAULT_INIT_VALUE_ENABLE, resort to default
  76. 0xFFFFFFFF value. In that case, there is no need to set InitValue field.
  77. If otherwise set to DEFAULT_INIT_VALUE_DISABLE, InitValue field must be set. */
  78. uint32_t GeneratingPolynomial; /*!< Set CRC generating polynomial as a 7U, 8U, 16 or 32-bit long value for a polynomial degree
  79. respectively equal to 7U, 8U, 16 or 32. This field is written in normal representation,
  80. e.g., for a polynomial of degree 7U, X^7U + X^6U + X^5U + X^2U + 1 is written 0x65.
  81. No need to specify it if DefaultPolynomialUse is set to DEFAULT_POLYNOMIAL_ENABLE. */
  82. uint32_t CRCLength; /*!< This parameter is a value of @ref CRC_Polynomial_Sizes and indicates CRC length.
  83. Value can be either one of
  84. @arg CRC_POLYLENGTH_32B (32-bit CRC),
  85. @arg CRC_POLYLENGTH_16B (16-bit CRC),
  86. @arg CRC_POLYLENGTH_8B (8-bit CRC),
  87. @arg CRC_POLYLENGTH_7B (7-bit CRC). */
  88. uint32_t InitValue; /*!< Init value to initiate CRC computation. No need to specify it if DefaultInitValueUse
  89. is set to DEFAULT_INIT_VALUE_ENABLE. */
  90. uint32_t InputDataInversionMode; /*!< This parameter is a value of @ref CRCEx_Input_Data_Inversion and specifies input data inversion mode.
  91. Can be either one of the following values
  92. @arg CRC_INPUTDATA_INVERSION_NONE, no input data inversion
  93. @arg CRC_INPUTDATA_INVERSION_BYTE, byte-wise inversion, 0x1A2B3C4D becomes 0x58D43CB2
  94. @arg CRC_INPUTDATA_INVERSION_HALFWORD, halfword-wise inversion, 0x1A2B3C4D becomes 0xD458B23C
  95. @arg CRC_INPUTDATA_INVERSION_WORD, word-wise inversion, 0x1A2B3C4D becomes 0xB23CD458U */
  96. uint32_t OutputDataInversionMode; /*!< This parameter is a value of @ref CRCEx_Output_Data_Inversion and specifies output data (i.e. CRC) inversion mode.
  97. Can be either
  98. @arg CRC_OUTPUTDATA_INVERSION_DISABLE: no CRC inversion,
  99. @arg CRC_OUTPUTDATA_INVERSION_ENABLE: CRC 0x11223344 is converted into 0x22CC4488U */
  100. }CRC_InitTypeDef;
  101. /**
  102. * @brief CRC Handle Structure definition
  103. */
  104. typedef struct
  105. {
  106. CRC_TypeDef *Instance; /*!< Register base address */
  107. CRC_InitTypeDef Init; /*!< CRC configuration parameters */
  108. HAL_LockTypeDef Lock; /*!< CRC Locking object */
  109. __IO HAL_CRC_StateTypeDef State; /*!< CRC communication state */
  110. uint32_t InputDataFormat; /*!< This parameter is a value of @ref CRC_Input_Buffer_Format and specifies input data format.
  111. Can be either
  112. @arg CRC_INPUTDATA_FORMAT_BYTES, input data is a stream of bytes (8-bit data)
  113. @arg CRC_INPUTDATA_FORMAT_HALFWORDS, input data is a stream of half-words (16-bit data)
  114. @arg CRC_INPUTDATA_FORMAT_WORDS, input data is a stream of words (32-bit data)
  115. Note that constant CRC_INPUT_FORMAT_UNDEFINED is defined but an initialization error
  116. must occur if InputBufferFormat is not one of the three values listed above */
  117. }CRC_HandleTypeDef;
  118. /**
  119. * @}
  120. */
  121. /* Exported constants --------------------------------------------------------*/
  122. /** @defgroup CRC_Exported_Constants CRC Exported Constants
  123. * @{
  124. */
  125. /** @defgroup CRC_Default_Polynomial_Value Default CRC generating polynomial
  126. * @{
  127. */
  128. #define DEFAULT_CRC32_POLY 0x04C11DB7 /*!< X^32U + X^26U + X^23U + X^22U + X^16U + X^12U + X^11U + X^10U +X^8U + X^7U + X^5U + X^4U + X^2U+ X +1U */
  129. /**
  130. * @}
  131. */
  132. /** @defgroup CRC_Default_InitValue Default CRC computation initialization value
  133. * @{
  134. */
  135. #define DEFAULT_CRC_INITVALUE 0xFFFFFFFFU /*!< Initial CRC default value */
  136. /**
  137. * @}
  138. */
  139. /** @defgroup CRC_Default_Polynomial Indicates whether or not default polynomial is used
  140. * @{
  141. */
  142. #define DEFAULT_POLYNOMIAL_ENABLE ((uint8_t)0x00U) /*!< Enable default generating polynomial 0x04C11DB7 */
  143. #define DEFAULT_POLYNOMIAL_DISABLE ((uint8_t)0x01U) /*!< Disable default generating polynomial 0x04C11DB7U */
  144. /**
  145. * @}
  146. */
  147. /** @defgroup CRC_Default_InitValue_Use Indicates whether or not default init value is used
  148. * @{
  149. */
  150. #define DEFAULT_INIT_VALUE_ENABLE ((uint8_t)0x00U) /*!< Enable initial CRC default value */
  151. #define DEFAULT_INIT_VALUE_DISABLE ((uint8_t)0x01U) /*!< Disable initial CRC default value */
  152. /**
  153. * @}
  154. */
  155. /** @defgroup CRC_Polynomial_Sizes Polynomial sizes to configure the IP
  156. * @{
  157. */
  158. #define CRC_POLYLENGTH_32B (0x00000000U) /*!< Resort to a 32-bit long generating polynomial */
  159. #define CRC_POLYLENGTH_16B ((uint32_t)CRC_CR_POLYSIZE_0) /*!< Resort to a 16-bit long generating polynomial */
  160. #define CRC_POLYLENGTH_8B ((uint32_t)CRC_CR_POLYSIZE_1) /*!< Resort to a 8-bit long generating polynomial */
  161. #define CRC_POLYLENGTH_7B ((uint32_t)CRC_CR_POLYSIZE) /*!< Resort to a 7-bit long generating polynomial */
  162. /**
  163. * @}
  164. */
  165. /** @defgroup CRC_Polynomial_Size_Definitions CRC polynomial possible sizes actual definitions
  166. * @{
  167. */
  168. #define HAL_CRC_LENGTH_32B 32 /*!< 32-bit long CRC */
  169. #define HAL_CRC_LENGTH_16B 16 /*!< 16-bit long CRC */
  170. #define HAL_CRC_LENGTH_8B 8 /*!< 8-bit long CRC */
  171. #define HAL_CRC_LENGTH_7B 7 /*!< 7-bit long CRC */
  172. /**
  173. * @}
  174. */
  175. /** @defgroup CRC_Input_Buffer_Format Input Buffer Format
  176. * @{
  177. */
  178. /* WARNING: CRC_INPUT_FORMAT_UNDEFINED is created for reference purposes but
  179. * an error is triggered in HAL_CRC_Init() if InputDataFormat field is set
  180. * to CRC_INPUT_FORMAT_UNDEFINED: the format MUST be defined by the user for
  181. * the CRC APIs to provide a correct result */
  182. #define CRC_INPUTDATA_FORMAT_UNDEFINED (0x00000000U) /*!< Undefined input data format */
  183. #define CRC_INPUTDATA_FORMAT_BYTES (0x00000001U) /*!< Input data in byte format */
  184. #define CRC_INPUTDATA_FORMAT_HALFWORDS (0x00000002U) /*!< Input data in half-word format */
  185. #define CRC_INPUTDATA_FORMAT_WORDS (0x00000003U) /*!< Input data in word format */
  186. /**
  187. * @}
  188. */
  189. /**
  190. * @}
  191. */
  192. /* Exported macros -----------------------------------------------------------*/
  193. /** @defgroup CRC_Exported_Macros CRC Exported Macros
  194. * @{
  195. */
  196. /** @brief Reset CRC handle state.
  197. * @param __HANDLE__ CRC handle.
  198. * @retval None
  199. */
  200. #define __HAL_CRC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CRC_STATE_RESET)
  201. /**
  202. * @brief Reset CRC Data Register.
  203. * @param __HANDLE__ CRC handle
  204. * @retval None
  205. */
  206. #define __HAL_CRC_DR_RESET(__HANDLE__) ((__HANDLE__)->Instance->CR |= CRC_CR_RESET)
  207. /**
  208. * @brief Set CRC INIT non-default value
  209. * @param __HANDLE__ CRC handle
  210. * @param __INIT__ 32-bit initial value
  211. * @retval None
  212. */
  213. #define __HAL_CRC_INITIALCRCVALUE_CONFIG(__HANDLE__, __INIT__) ((__HANDLE__)->Instance->INIT = (__INIT__))
  214. /**
  215. * @brief Store a 8-bit data in the Independent Data(ID) register.
  216. * @param __HANDLE__ CRC handle
  217. * @param __VALUE__ 8-bit value to be stored in the ID register
  218. * @retval None
  219. */
  220. #define __HAL_CRC_SET_IDR(__HANDLE__, __VALUE__) (WRITE_REG((__HANDLE__)->Instance->IDR, (__VALUE__)))
  221. /**
  222. * @brief Return the 8-bit data stored in the Independent Data(ID) register.
  223. * @param __HANDLE__ CRC handle
  224. * @retval 8-bit value of the ID register
  225. */
  226. #define __HAL_CRC_GET_IDR(__HANDLE__) (((__HANDLE__)->Instance->IDR) & CRC_IDR_IDR)
  227. /**
  228. * @}
  229. */
  230. /* Private macros --------------------------------------------------------*/
  231. /** @addtogroup CRC_Private_Macros CRC Private Macros
  232. * @{
  233. */
  234. #define IS_DEFAULT_POLYNOMIAL(DEFAULT) (((DEFAULT) == DEFAULT_POLYNOMIAL_ENABLE) || \
  235. ((DEFAULT) == DEFAULT_POLYNOMIAL_DISABLE))
  236. #define IS_DEFAULT_INIT_VALUE(VALUE) (((VALUE) == DEFAULT_INIT_VALUE_ENABLE) || \
  237. ((VALUE) == DEFAULT_INIT_VALUE_DISABLE))
  238. #define IS_CRC_POL_LENGTH(LENGTH) (((LENGTH) == CRC_POLYLENGTH_32B) || \
  239. ((LENGTH) == CRC_POLYLENGTH_16B) || \
  240. ((LENGTH) == CRC_POLYLENGTH_8B) || \
  241. ((LENGTH) == CRC_POLYLENGTH_7B))
  242. #define IS_CRC_INPUTDATA_FORMAT(FORMAT) (((FORMAT) == CRC_INPUTDATA_FORMAT_BYTES) || \
  243. ((FORMAT) == CRC_INPUTDATA_FORMAT_HALFWORDS) || \
  244. ((FORMAT) == CRC_INPUTDATA_FORMAT_WORDS))
  245. /**
  246. * @}
  247. */
  248. /* Include CRC HAL Extended module */
  249. #include "stm32f3xx_hal_crc_ex.h"
  250. /* Exported functions --------------------------------------------------------*/
  251. /** @addtogroup CRC_Exported_Functions CRC Exported Functions
  252. * @{
  253. */
  254. /** @addtogroup CRC_Exported_Functions_Group1 Initialization and de-initialization functions
  255. * @brief Initialization and Configuration functions.
  256. * @{
  257. */
  258. /* Initialization and de-initialization functions ****************************/
  259. HAL_StatusTypeDef HAL_CRC_Init(CRC_HandleTypeDef *hcrc);
  260. HAL_StatusTypeDef HAL_CRC_DeInit (CRC_HandleTypeDef *hcrc);
  261. void HAL_CRC_MspInit(CRC_HandleTypeDef *hcrc);
  262. void HAL_CRC_MspDeInit(CRC_HandleTypeDef *hcrc);
  263. /**
  264. * @}
  265. */
  266. /** @addtogroup CRC_Exported_Functions_Group2 Peripheral Control functions
  267. * @brief management functions.
  268. * @{
  269. */
  270. /* Peripheral Control functions ***********************************************/
  271. uint32_t HAL_CRC_Accumulate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
  272. uint32_t HAL_CRC_Calculate(CRC_HandleTypeDef *hcrc, uint32_t pBuffer[], uint32_t BufferLength);
  273. /**
  274. * @}
  275. */
  276. /** @addtogroup CRC_Exported_Functions_Group3 Peripheral State functions
  277. * @brief Peripheral State functions.
  278. * @{
  279. */
  280. /* Peripheral State and Error functions ***************************************/
  281. HAL_CRC_StateTypeDef HAL_CRC_GetState(CRC_HandleTypeDef *hcrc);
  282. /**
  283. * @}
  284. */
  285. /**
  286. * @}
  287. */
  288. /** @defgroup HAL_CRC_Alias_Exported_Functions CRC aliases for Exported Functions
  289. * @{
  290. */
  291. /* Aliases for inter STM32 series compatibility */
  292. #define HAL_CRC_Input_Data_Reverse HAL_CRCEx_Input_Data_Reverse
  293. #define HAL_CRC_Output_Data_Reverse HAL_CRCEx_Output_Data_Reverse
  294. /**
  295. * @}
  296. */
  297. /**
  298. * @}
  299. */
  300. /**
  301. * @}
  302. */
  303. #ifdef __cplusplus
  304. }
  305. #endif
  306. #endif /* __STM32F3xx_HAL_CRC_H */
  307. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/