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TARGET_NUCLEO_F303RE/TOOLCHAIN_ARM_STD/stm32f3xx_ll_crc.h@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
Parent:
TARGET_DISCO_F303VC/TARGET_STM/TARGET_STM32F3/device/stm32f3xx_ll_crc.h@168:b9e159c1930a 
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 163:e59c8e839560 1 /**
AnnaBridge 163:e59c8e839560 2 ******************************************************************************
AnnaBridge 163:e59c8e839560 3 * @file stm32f3xx_ll_crc.h
AnnaBridge 163:e59c8e839560 4 * @author MCD Application Team
AnnaBridge 163:e59c8e839560 5 * @brief Header file of CRC LL module.
AnnaBridge 163:e59c8e839560 6 ******************************************************************************
AnnaBridge 163:e59c8e839560 7 * @attention
AnnaBridge 163:e59c8e839560 8 *
AnnaBridge 163:e59c8e839560 9 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
AnnaBridge 163:e59c8e839560 10 *
AnnaBridge 163:e59c8e839560 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 163:e59c8e839560 12 * are permitted provided that the following conditions are met:
AnnaBridge 163:e59c8e839560 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 163:e59c8e839560 14 * this list of conditions and the following disclaimer.
AnnaBridge 163:e59c8e839560 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 163:e59c8e839560 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 163:e59c8e839560 17 * and/or other materials provided with the distribution.
AnnaBridge 163:e59c8e839560 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 163:e59c8e839560 19 * may be used to endorse or promote products derived from this software
AnnaBridge 163:e59c8e839560 20 * without specific prior written permission.
AnnaBridge 163:e59c8e839560 21 *
AnnaBridge 163:e59c8e839560 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 163:e59c8e839560 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 163:e59c8e839560 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 163:e59c8e839560 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 163:e59c8e839560 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 163:e59c8e839560 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 163:e59c8e839560 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 163:e59c8e839560 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 163:e59c8e839560 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 163:e59c8e839560 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 163:e59c8e839560 32 *
AnnaBridge 163:e59c8e839560 33 ******************************************************************************
AnnaBridge 163:e59c8e839560 34 */
AnnaBridge 163:e59c8e839560 35
AnnaBridge 163:e59c8e839560 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 163:e59c8e839560 37 #ifndef __STM32F3xx_LL_CRC_H
AnnaBridge 163:e59c8e839560 38 #define __STM32F3xx_LL_CRC_H
AnnaBridge 163:e59c8e839560 39
AnnaBridge 163:e59c8e839560 40 #ifdef __cplusplus
AnnaBridge 163:e59c8e839560 41 extern "C" {
AnnaBridge 163:e59c8e839560 42 #endif
AnnaBridge 163:e59c8e839560 43
AnnaBridge 163:e59c8e839560 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 45 #include "stm32f3xx.h"
AnnaBridge 163:e59c8e839560 46
AnnaBridge 163:e59c8e839560 47 /** @addtogroup STM32F3xx_LL_Driver
AnnaBridge 163:e59c8e839560 48 * @{
AnnaBridge 163:e59c8e839560 49 */
AnnaBridge 163:e59c8e839560 50
AnnaBridge 163:e59c8e839560 51 #if defined(CRC)
AnnaBridge 163:e59c8e839560 52
AnnaBridge 163:e59c8e839560 53 /** @defgroup CRC_LL CRC
AnnaBridge 163:e59c8e839560 54 * @{
AnnaBridge 163:e59c8e839560 55 */
AnnaBridge 163:e59c8e839560 56
AnnaBridge 163:e59c8e839560 57 /* Private types -------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 58 /* Private variables ---------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 59 /* Private constants ---------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 60 /* Private macros ------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 61
AnnaBridge 163:e59c8e839560 62 /* Exported types ------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 63 /* Exported constants --------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 64 /** @defgroup CRC_LL_Exported_Constants CRC Exported Constants
AnnaBridge 163:e59c8e839560 65 * @{
AnnaBridge 163:e59c8e839560 66 */
AnnaBridge 163:e59c8e839560 67
AnnaBridge 163:e59c8e839560 68 /** @defgroup CRC_LL_EC_POLYLENGTH Polynomial length
AnnaBridge 163:e59c8e839560 69 * @{
AnnaBridge 163:e59c8e839560 70 */
AnnaBridge 168:b9e159c1930a 71 #define LL_CRC_POLYLENGTH_32B 0x00000000U /*!< 32 bits Polynomial size */
AnnaBridge 163:e59c8e839560 72 #define LL_CRC_POLYLENGTH_16B CRC_CR_POLYSIZE_0 /*!< 16 bits Polynomial size */
AnnaBridge 163:e59c8e839560 73 #define LL_CRC_POLYLENGTH_8B CRC_CR_POLYSIZE_1 /*!< 8 bits Polynomial size */
AnnaBridge 163:e59c8e839560 74 #define LL_CRC_POLYLENGTH_7B (CRC_CR_POLYSIZE_1 | CRC_CR_POLYSIZE_0) /*!< 7 bits Polynomial size */
AnnaBridge 163:e59c8e839560 75 /**
AnnaBridge 163:e59c8e839560 76 * @}
AnnaBridge 163:e59c8e839560 77 */
AnnaBridge 163:e59c8e839560 78
AnnaBridge 163:e59c8e839560 79 /** @defgroup CRC_LL_EC_INDATA_REVERSE Input Data Reverse
AnnaBridge 163:e59c8e839560 80 * @{
AnnaBridge 163:e59c8e839560 81 */
AnnaBridge 168:b9e159c1930a 82 #define LL_CRC_INDATA_REVERSE_NONE 0x00000000U /*!< Input Data bit order not affected */
AnnaBridge 163:e59c8e839560 83 #define LL_CRC_INDATA_REVERSE_BYTE CRC_CR_REV_IN_0 /*!< Input Data bit reversal done by byte */
AnnaBridge 163:e59c8e839560 84 #define LL_CRC_INDATA_REVERSE_HALFWORD CRC_CR_REV_IN_1 /*!< Input Data bit reversal done by half-word */
AnnaBridge 163:e59c8e839560 85 #define LL_CRC_INDATA_REVERSE_WORD (CRC_CR_REV_IN_1 | CRC_CR_REV_IN_0) /*!< Input Data bit reversal done by word */
AnnaBridge 163:e59c8e839560 86 /**
AnnaBridge 163:e59c8e839560 87 * @}
AnnaBridge 163:e59c8e839560 88 */
AnnaBridge 163:e59c8e839560 89
AnnaBridge 163:e59c8e839560 90 /** @defgroup CRC_LL_EC_OUTDATA_REVERSE Output Data Reverse
AnnaBridge 163:e59c8e839560 91 * @{
AnnaBridge 163:e59c8e839560 92 */
AnnaBridge 168:b9e159c1930a 93 #define LL_CRC_OUTDATA_REVERSE_NONE 0x00000000U /*!< Output Data bit order not affected */
AnnaBridge 163:e59c8e839560 94 #define LL_CRC_OUTDATA_REVERSE_BIT CRC_CR_REV_OUT /*!< Output Data bit reversal done by bit */
AnnaBridge 163:e59c8e839560 95 /**
AnnaBridge 163:e59c8e839560 96 * @}
AnnaBridge 163:e59c8e839560 97 */
AnnaBridge 163:e59c8e839560 98
AnnaBridge 163:e59c8e839560 99 /** @defgroup CRC_LL_EC_Default_Polynomial_Value Default CRC generating polynomial value
AnnaBridge 163:e59c8e839560 100 * @brief Normal representation of this polynomial value is
AnnaBridge 163:e59c8e839560 101 * 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 .
AnnaBridge 163:e59c8e839560 102 * @{
AnnaBridge 163:e59c8e839560 103 */
AnnaBridge 168:b9e159c1930a 104 #define LL_CRC_DEFAULT_CRC32_POLY 0x04C11DB7U /*!< Default CRC generating polynomial value */
AnnaBridge 163:e59c8e839560 105 /**
AnnaBridge 163:e59c8e839560 106 * @}
AnnaBridge 163:e59c8e839560 107 */
AnnaBridge 163:e59c8e839560 108
AnnaBridge 163:e59c8e839560 109 /** @defgroup CRC_LL_EC_Default_InitValue Default CRC computation initialization value
AnnaBridge 163:e59c8e839560 110 * @{
AnnaBridge 163:e59c8e839560 111 */
AnnaBridge 168:b9e159c1930a 112 #define LL_CRC_DEFAULT_CRC_INITVALUE 0xFFFFFFFFU /*!< Default CRC computation initialization value */
AnnaBridge 163:e59c8e839560 113 /**
AnnaBridge 163:e59c8e839560 114 * @}
AnnaBridge 163:e59c8e839560 115 */
AnnaBridge 163:e59c8e839560 116
AnnaBridge 163:e59c8e839560 117 /**
AnnaBridge 163:e59c8e839560 118 * @}
AnnaBridge 163:e59c8e839560 119 */
AnnaBridge 163:e59c8e839560 120
AnnaBridge 163:e59c8e839560 121 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 122 /** @defgroup CRC_LL_Exported_Macros CRC Exported Macros
AnnaBridge 163:e59c8e839560 123 * @{
AnnaBridge 163:e59c8e839560 124 */
AnnaBridge 163:e59c8e839560 125
AnnaBridge 163:e59c8e839560 126 /** @defgroup CRC_LL_EM_WRITE_READ Common Write and read registers Macros
AnnaBridge 163:e59c8e839560 127 * @{
AnnaBridge 163:e59c8e839560 128 */
AnnaBridge 163:e59c8e839560 129
AnnaBridge 163:e59c8e839560 130 /**
AnnaBridge 163:e59c8e839560 131 * @brief Write a value in CRC register
AnnaBridge 163:e59c8e839560 132 * @param __INSTANCE__ CRC Instance
AnnaBridge 163:e59c8e839560 133 * @param __REG__ Register to be written
AnnaBridge 163:e59c8e839560 134 * @param __VALUE__ Value to be written in the register
AnnaBridge 163:e59c8e839560 135 * @retval None
AnnaBridge 163:e59c8e839560 136 */
AnnaBridge 163:e59c8e839560 137 #define LL_CRC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
AnnaBridge 163:e59c8e839560 138
AnnaBridge 163:e59c8e839560 139 /**
AnnaBridge 163:e59c8e839560 140 * @brief Read a value in CRC register
AnnaBridge 163:e59c8e839560 141 * @param __INSTANCE__ CRC Instance
AnnaBridge 163:e59c8e839560 142 * @param __REG__ Register to be read
AnnaBridge 163:e59c8e839560 143 * @retval Register value
AnnaBridge 163:e59c8e839560 144 */
AnnaBridge 163:e59c8e839560 145 #define LL_CRC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
AnnaBridge 163:e59c8e839560 146 /**
AnnaBridge 163:e59c8e839560 147 * @}
AnnaBridge 163:e59c8e839560 148 */
AnnaBridge 163:e59c8e839560 149
AnnaBridge 163:e59c8e839560 150 /**
AnnaBridge 163:e59c8e839560 151 * @}
AnnaBridge 163:e59c8e839560 152 */
AnnaBridge 163:e59c8e839560 153
AnnaBridge 163:e59c8e839560 154
AnnaBridge 163:e59c8e839560 155 /* Exported functions --------------------------------------------------------*/
AnnaBridge 163:e59c8e839560 156 /** @defgroup CRC_LL_Exported_Functions CRC Exported Functions
AnnaBridge 163:e59c8e839560 157 * @{
AnnaBridge 163:e59c8e839560 158 */
AnnaBridge 163:e59c8e839560 159
AnnaBridge 163:e59c8e839560 160 /** @defgroup CRC_LL_EF_Configuration CRC Configuration functions
AnnaBridge 163:e59c8e839560 161 * @{
AnnaBridge 163:e59c8e839560 162 */
AnnaBridge 163:e59c8e839560 163
AnnaBridge 163:e59c8e839560 164 /**
AnnaBridge 163:e59c8e839560 165 * @brief Reset the CRC calculation unit.
AnnaBridge 163:e59c8e839560 166 * @note If Programmable Initial CRC value feature
AnnaBridge 163:e59c8e839560 167 * is available, also set the Data Register to the value stored in the
AnnaBridge 163:e59c8e839560 168 * CRC_INIT register, otherwise, reset Data Register to its default value.
AnnaBridge 163:e59c8e839560 169 * @rmtoll CR RESET LL_CRC_ResetCRCCalculationUnit
AnnaBridge 163:e59c8e839560 170 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 171 * @retval None
AnnaBridge 163:e59c8e839560 172 */
AnnaBridge 163:e59c8e839560 173 __STATIC_INLINE void LL_CRC_ResetCRCCalculationUnit(CRC_TypeDef *CRCx)
AnnaBridge 163:e59c8e839560 174 {
AnnaBridge 163:e59c8e839560 175 SET_BIT(CRCx->CR, CRC_CR_RESET);
AnnaBridge 163:e59c8e839560 176 }
AnnaBridge 163:e59c8e839560 177
AnnaBridge 163:e59c8e839560 178 /**
AnnaBridge 163:e59c8e839560 179 * @brief Configure size of the polynomial.
AnnaBridge 163:e59c8e839560 180 * @rmtoll CR POLYSIZE LL_CRC_SetPolynomialSize
AnnaBridge 163:e59c8e839560 181 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 182 * @param PolySize This parameter can be one of the following values:
AnnaBridge 163:e59c8e839560 183 * @arg @ref LL_CRC_POLYLENGTH_32B
AnnaBridge 163:e59c8e839560 184 * @arg @ref LL_CRC_POLYLENGTH_16B
AnnaBridge 163:e59c8e839560 185 * @arg @ref LL_CRC_POLYLENGTH_8B
AnnaBridge 163:e59c8e839560 186 * @arg @ref LL_CRC_POLYLENGTH_7B
AnnaBridge 163:e59c8e839560 187 * @retval None
AnnaBridge 163:e59c8e839560 188 */
AnnaBridge 163:e59c8e839560 189 __STATIC_INLINE void LL_CRC_SetPolynomialSize(CRC_TypeDef *CRCx, uint32_t PolySize)
AnnaBridge 163:e59c8e839560 190 {
AnnaBridge 163:e59c8e839560 191 MODIFY_REG(CRCx->CR, CRC_CR_POLYSIZE, PolySize);
AnnaBridge 163:e59c8e839560 192 }
AnnaBridge 163:e59c8e839560 193
AnnaBridge 163:e59c8e839560 194 /**
AnnaBridge 163:e59c8e839560 195 * @brief Return size of the polynomial.
AnnaBridge 163:e59c8e839560 196 * @rmtoll CR POLYSIZE LL_CRC_GetPolynomialSize
AnnaBridge 163:e59c8e839560 197 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 198 * @retval Returned value can be one of the following values:
AnnaBridge 163:e59c8e839560 199 * @arg @ref LL_CRC_POLYLENGTH_32B
AnnaBridge 163:e59c8e839560 200 * @arg @ref LL_CRC_POLYLENGTH_16B
AnnaBridge 163:e59c8e839560 201 * @arg @ref LL_CRC_POLYLENGTH_8B
AnnaBridge 163:e59c8e839560 202 * @arg @ref LL_CRC_POLYLENGTH_7B
AnnaBridge 163:e59c8e839560 203 */
AnnaBridge 163:e59c8e839560 204 __STATIC_INLINE uint32_t LL_CRC_GetPolynomialSize(CRC_TypeDef *CRCx)
AnnaBridge 163:e59c8e839560 205 {
AnnaBridge 163:e59c8e839560 206 return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_POLYSIZE));
AnnaBridge 163:e59c8e839560 207 }
AnnaBridge 163:e59c8e839560 208
AnnaBridge 163:e59c8e839560 209 /**
AnnaBridge 163:e59c8e839560 210 * @brief Configure the reversal of the bit order of the input data
AnnaBridge 163:e59c8e839560 211 * @rmtoll CR REV_IN LL_CRC_SetInputDataReverseMode
AnnaBridge 163:e59c8e839560 212 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 213 * @param ReverseMode This parameter can be one of the following values:
AnnaBridge 163:e59c8e839560 214 * @arg @ref LL_CRC_INDATA_REVERSE_NONE
AnnaBridge 163:e59c8e839560 215 * @arg @ref LL_CRC_INDATA_REVERSE_BYTE
AnnaBridge 163:e59c8e839560 216 * @arg @ref LL_CRC_INDATA_REVERSE_HALFWORD
AnnaBridge 163:e59c8e839560 217 * @arg @ref LL_CRC_INDATA_REVERSE_WORD
AnnaBridge 163:e59c8e839560 218 * @retval None
AnnaBridge 163:e59c8e839560 219 */
AnnaBridge 163:e59c8e839560 220 __STATIC_INLINE void LL_CRC_SetInputDataReverseMode(CRC_TypeDef *CRCx, uint32_t ReverseMode)
AnnaBridge 163:e59c8e839560 221 {
AnnaBridge 163:e59c8e839560 222 MODIFY_REG(CRCx->CR, CRC_CR_REV_IN, ReverseMode);
AnnaBridge 163:e59c8e839560 223 }
AnnaBridge 163:e59c8e839560 224
AnnaBridge 163:e59c8e839560 225 /**
AnnaBridge 163:e59c8e839560 226 * @brief Return type of reversal for input data bit order
AnnaBridge 163:e59c8e839560 227 * @rmtoll CR REV_IN LL_CRC_GetInputDataReverseMode
AnnaBridge 163:e59c8e839560 228 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 229 * @retval Returned value can be one of the following values:
AnnaBridge 163:e59c8e839560 230 * @arg @ref LL_CRC_INDATA_REVERSE_NONE
AnnaBridge 163:e59c8e839560 231 * @arg @ref LL_CRC_INDATA_REVERSE_BYTE
AnnaBridge 163:e59c8e839560 232 * @arg @ref LL_CRC_INDATA_REVERSE_HALFWORD
AnnaBridge 163:e59c8e839560 233 * @arg @ref LL_CRC_INDATA_REVERSE_WORD
AnnaBridge 163:e59c8e839560 234 */
AnnaBridge 163:e59c8e839560 235 __STATIC_INLINE uint32_t LL_CRC_GetInputDataReverseMode(CRC_TypeDef *CRCx)
AnnaBridge 163:e59c8e839560 236 {
AnnaBridge 163:e59c8e839560 237 return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_REV_IN));
AnnaBridge 163:e59c8e839560 238 }
AnnaBridge 163:e59c8e839560 239
AnnaBridge 163:e59c8e839560 240 /**
AnnaBridge 163:e59c8e839560 241 * @brief Configure the reversal of the bit order of the Output data
AnnaBridge 163:e59c8e839560 242 * @rmtoll CR REV_OUT LL_CRC_SetOutputDataReverseMode
AnnaBridge 163:e59c8e839560 243 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 244 * @param ReverseMode This parameter can be one of the following values:
AnnaBridge 163:e59c8e839560 245 * @arg @ref LL_CRC_OUTDATA_REVERSE_NONE
AnnaBridge 163:e59c8e839560 246 * @arg @ref LL_CRC_OUTDATA_REVERSE_BIT
AnnaBridge 163:e59c8e839560 247 * @retval None
AnnaBridge 163:e59c8e839560 248 */
AnnaBridge 163:e59c8e839560 249 __STATIC_INLINE void LL_CRC_SetOutputDataReverseMode(CRC_TypeDef *CRCx, uint32_t ReverseMode)
AnnaBridge 163:e59c8e839560 250 {
AnnaBridge 163:e59c8e839560 251 MODIFY_REG(CRCx->CR, CRC_CR_REV_OUT, ReverseMode);
AnnaBridge 163:e59c8e839560 252 }
AnnaBridge 163:e59c8e839560 253
AnnaBridge 163:e59c8e839560 254 /**
AnnaBridge 163:e59c8e839560 255 * @brief Configure the reversal of the bit order of the Output data
AnnaBridge 163:e59c8e839560 256 * @rmtoll CR REV_OUT LL_CRC_GetOutputDataReverseMode
AnnaBridge 163:e59c8e839560 257 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 258 * @retval Returned value can be one of the following values:
AnnaBridge 163:e59c8e839560 259 * @arg @ref LL_CRC_OUTDATA_REVERSE_NONE
AnnaBridge 163:e59c8e839560 260 * @arg @ref LL_CRC_OUTDATA_REVERSE_BIT
AnnaBridge 163:e59c8e839560 261 */
AnnaBridge 163:e59c8e839560 262 __STATIC_INLINE uint32_t LL_CRC_GetOutputDataReverseMode(CRC_TypeDef *CRCx)
AnnaBridge 163:e59c8e839560 263 {
AnnaBridge 163:e59c8e839560 264 return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_REV_OUT));
AnnaBridge 163:e59c8e839560 265 }
AnnaBridge 163:e59c8e839560 266
AnnaBridge 163:e59c8e839560 267 /**
AnnaBridge 163:e59c8e839560 268 * @brief Initialize the Programmable initial CRC value.
AnnaBridge 163:e59c8e839560 269 * @note If the CRC size is less than 32 bits, the least significant bits
AnnaBridge 163:e59c8e839560 270 * are used to write the correct value
AnnaBridge 163:e59c8e839560 271 * @note LL_CRC_DEFAULT_CRC_INITVALUE could be used as value for InitCrc parameter.
AnnaBridge 163:e59c8e839560 272 * @rmtoll INIT INIT LL_CRC_SetInitialData
AnnaBridge 163:e59c8e839560 273 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 274 * @param InitCrc Value to be programmed in Programmable initial CRC value register
AnnaBridge 163:e59c8e839560 275 * @retval None
AnnaBridge 163:e59c8e839560 276 */
AnnaBridge 163:e59c8e839560 277 __STATIC_INLINE void LL_CRC_SetInitialData(CRC_TypeDef *CRCx, uint32_t InitCrc)
AnnaBridge 163:e59c8e839560 278 {
AnnaBridge 163:e59c8e839560 279 WRITE_REG(CRCx->INIT, InitCrc);
AnnaBridge 163:e59c8e839560 280 }
AnnaBridge 163:e59c8e839560 281
AnnaBridge 163:e59c8e839560 282 /**
AnnaBridge 163:e59c8e839560 283 * @brief Return current Initial CRC value.
AnnaBridge 163:e59c8e839560 284 * @note If the CRC size is less than 32 bits, the least significant bits
AnnaBridge 163:e59c8e839560 285 * are used to read the correct value
AnnaBridge 163:e59c8e839560 286 * @rmtoll INIT INIT LL_CRC_GetInitialData
AnnaBridge 163:e59c8e839560 287 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 288 * @retval Value programmed in Programmable initial CRC value register
AnnaBridge 163:e59c8e839560 289 */
AnnaBridge 163:e59c8e839560 290 __STATIC_INLINE uint32_t LL_CRC_GetInitialData(CRC_TypeDef *CRCx)
AnnaBridge 163:e59c8e839560 291 {
AnnaBridge 163:e59c8e839560 292 return (uint32_t)(READ_REG(CRCx->INIT));
AnnaBridge 163:e59c8e839560 293 }
AnnaBridge 163:e59c8e839560 294
AnnaBridge 163:e59c8e839560 295 /**
AnnaBridge 163:e59c8e839560 296 * @brief Initialize the Programmable polynomial value
AnnaBridge 163:e59c8e839560 297 * (coefficients of the polynomial to be used for CRC calculation).
AnnaBridge 163:e59c8e839560 298 * @note LL_CRC_DEFAULT_CRC32_POLY could be used as value for PolynomCoef parameter.
AnnaBridge 163:e59c8e839560 299 * @note Please check Reference Manual and existing Errata Sheets,
AnnaBridge 163:e59c8e839560 300 * regarding possible limitations for Polynomial values usage.
AnnaBridge 163:e59c8e839560 301 * For example, for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65
AnnaBridge 163:e59c8e839560 302 * @rmtoll POL POL LL_CRC_SetPolynomialCoef
AnnaBridge 163:e59c8e839560 303 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 304 * @param PolynomCoef Value to be programmed in Programmable Polynomial value register
AnnaBridge 163:e59c8e839560 305 * @retval None
AnnaBridge 163:e59c8e839560 306 */
AnnaBridge 163:e59c8e839560 307 __STATIC_INLINE void LL_CRC_SetPolynomialCoef(CRC_TypeDef *CRCx, uint32_t PolynomCoef)
AnnaBridge 163:e59c8e839560 308 {
AnnaBridge 163:e59c8e839560 309 WRITE_REG(CRCx->POL, PolynomCoef);
AnnaBridge 163:e59c8e839560 310 }
AnnaBridge 163:e59c8e839560 311
AnnaBridge 163:e59c8e839560 312 /**
AnnaBridge 163:e59c8e839560 313 * @brief Return current Programmable polynomial value
AnnaBridge 163:e59c8e839560 314 * @note Please check Reference Manual and existing Errata Sheets,
AnnaBridge 163:e59c8e839560 315 * regarding possible limitations for Polynomial values usage.
AnnaBridge 163:e59c8e839560 316 * For example, for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65
AnnaBridge 163:e59c8e839560 317 * @rmtoll POL POL LL_CRC_GetPolynomialCoef
AnnaBridge 163:e59c8e839560 318 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 319 * @retval Value programmed in Programmable Polynomial value register
AnnaBridge 163:e59c8e839560 320 */
AnnaBridge 163:e59c8e839560 321 __STATIC_INLINE uint32_t LL_CRC_GetPolynomialCoef(CRC_TypeDef *CRCx)
AnnaBridge 163:e59c8e839560 322 {
AnnaBridge 163:e59c8e839560 323 return (uint32_t)(READ_REG(CRCx->POL));
AnnaBridge 163:e59c8e839560 324 }
AnnaBridge 163:e59c8e839560 325
AnnaBridge 163:e59c8e839560 326 /**
AnnaBridge 163:e59c8e839560 327 * @}
AnnaBridge 163:e59c8e839560 328 */
AnnaBridge 163:e59c8e839560 329
AnnaBridge 163:e59c8e839560 330 /** @defgroup CRC_LL_EF_Data_Management Data_Management
AnnaBridge 163:e59c8e839560 331 * @{
AnnaBridge 163:e59c8e839560 332 */
AnnaBridge 163:e59c8e839560 333
AnnaBridge 163:e59c8e839560 334 /**
AnnaBridge 163:e59c8e839560 335 * @brief Write given 32-bit data to the CRC calculator
AnnaBridge 163:e59c8e839560 336 * @rmtoll DR DR LL_CRC_FeedData32
AnnaBridge 163:e59c8e839560 337 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 338 * @param InData value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFFFFFF
AnnaBridge 163:e59c8e839560 339 * @retval None
AnnaBridge 163:e59c8e839560 340 */
AnnaBridge 163:e59c8e839560 341 __STATIC_INLINE void LL_CRC_FeedData32(CRC_TypeDef *CRCx, uint32_t InData)
AnnaBridge 163:e59c8e839560 342 {
AnnaBridge 163:e59c8e839560 343 WRITE_REG(CRCx->DR, InData);
AnnaBridge 163:e59c8e839560 344 }
AnnaBridge 163:e59c8e839560 345
AnnaBridge 163:e59c8e839560 346 /**
AnnaBridge 163:e59c8e839560 347 * @brief Write given 16-bit data to the CRC calculator
AnnaBridge 163:e59c8e839560 348 * @rmtoll DR DR LL_CRC_FeedData16
AnnaBridge 163:e59c8e839560 349 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 350 * @param InData 16 bit value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFF
AnnaBridge 163:e59c8e839560 351 * @retval None
AnnaBridge 163:e59c8e839560 352 */
AnnaBridge 163:e59c8e839560 353 __STATIC_INLINE void LL_CRC_FeedData16(CRC_TypeDef *CRCx, uint16_t InData)
AnnaBridge 163:e59c8e839560 354 {
AnnaBridge 163:e59c8e839560 355 *(uint16_t __IO *)(&CRCx->DR) = (uint16_t) InData;
AnnaBridge 163:e59c8e839560 356 }
AnnaBridge 163:e59c8e839560 357
AnnaBridge 163:e59c8e839560 358 /**
AnnaBridge 163:e59c8e839560 359 * @brief Write given 8-bit data to the CRC calculator
AnnaBridge 163:e59c8e839560 360 * @rmtoll DR DR LL_CRC_FeedData8
AnnaBridge 163:e59c8e839560 361 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 362 * @param InData 8 bit value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFF
AnnaBridge 163:e59c8e839560 363 * @retval None
AnnaBridge 163:e59c8e839560 364 */
AnnaBridge 163:e59c8e839560 365 __STATIC_INLINE void LL_CRC_FeedData8(CRC_TypeDef *CRCx, uint8_t InData)
AnnaBridge 163:e59c8e839560 366 {
AnnaBridge 163:e59c8e839560 367 *(uint8_t __IO *)(&CRCx->DR) = (uint8_t) InData;
AnnaBridge 163:e59c8e839560 368 }
AnnaBridge 163:e59c8e839560 369
AnnaBridge 163:e59c8e839560 370 /**
AnnaBridge 163:e59c8e839560 371 * @brief Return current CRC calculation result. 32 bits value is returned.
AnnaBridge 163:e59c8e839560 372 * @rmtoll DR DR LL_CRC_ReadData32
AnnaBridge 163:e59c8e839560 373 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 374 * @retval Current CRC calculation result as stored in CRC_DR register (32 bits).
AnnaBridge 163:e59c8e839560 375 */
AnnaBridge 163:e59c8e839560 376 __STATIC_INLINE uint32_t LL_CRC_ReadData32(CRC_TypeDef *CRCx)
AnnaBridge 163:e59c8e839560 377 {
AnnaBridge 163:e59c8e839560 378 return (uint32_t)(READ_REG(CRCx->DR));
AnnaBridge 163:e59c8e839560 379 }
AnnaBridge 163:e59c8e839560 380
AnnaBridge 163:e59c8e839560 381 /**
AnnaBridge 163:e59c8e839560 382 * @brief Return current CRC calculation result. 16 bits value is returned.
AnnaBridge 163:e59c8e839560 383 * @note This function is expected to be used in a 16 bits CRC polynomial size context.
AnnaBridge 163:e59c8e839560 384 * @rmtoll DR DR LL_CRC_ReadData16
AnnaBridge 163:e59c8e839560 385 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 386 * @retval Current CRC calculation result as stored in CRC_DR register (16 bits).
AnnaBridge 163:e59c8e839560 387 */
AnnaBridge 163:e59c8e839560 388 __STATIC_INLINE uint16_t LL_CRC_ReadData16(CRC_TypeDef *CRCx)
AnnaBridge 163:e59c8e839560 389 {
AnnaBridge 163:e59c8e839560 390 return (uint16_t)READ_REG(CRCx->DR);
AnnaBridge 163:e59c8e839560 391 }
AnnaBridge 163:e59c8e839560 392
AnnaBridge 163:e59c8e839560 393 /**
AnnaBridge 163:e59c8e839560 394 * @brief Return current CRC calculation result. 8 bits value is returned.
AnnaBridge 163:e59c8e839560 395 * @note This function is expected to be used in a 8 bits CRC polynomial size context.
AnnaBridge 163:e59c8e839560 396 * @rmtoll DR DR LL_CRC_ReadData8
AnnaBridge 163:e59c8e839560 397 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 398 * @retval Current CRC calculation result as stored in CRC_DR register (8 bits).
AnnaBridge 163:e59c8e839560 399 */
AnnaBridge 163:e59c8e839560 400 __STATIC_INLINE uint8_t LL_CRC_ReadData8(CRC_TypeDef *CRCx)
AnnaBridge 163:e59c8e839560 401 {
AnnaBridge 163:e59c8e839560 402 return (uint8_t)READ_REG(CRCx->DR);
AnnaBridge 163:e59c8e839560 403 }
AnnaBridge 163:e59c8e839560 404
AnnaBridge 163:e59c8e839560 405 /**
AnnaBridge 163:e59c8e839560 406 * @brief Return current CRC calculation result. 7 bits value is returned.
AnnaBridge 163:e59c8e839560 407 * @note This function is expected to be used in a 7 bits CRC polynomial size context.
AnnaBridge 163:e59c8e839560 408 * @rmtoll DR DR LL_CRC_ReadData7
AnnaBridge 163:e59c8e839560 409 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 410 * @retval Current CRC calculation result as stored in CRC_DR register (7 bits).
AnnaBridge 163:e59c8e839560 411 */
AnnaBridge 163:e59c8e839560 412 __STATIC_INLINE uint8_t LL_CRC_ReadData7(CRC_TypeDef *CRCx)
AnnaBridge 163:e59c8e839560 413 {
AnnaBridge 163:e59c8e839560 414 return (uint8_t)(READ_REG(CRCx->DR) & 0x7FU);
AnnaBridge 163:e59c8e839560 415 }
AnnaBridge 163:e59c8e839560 416
AnnaBridge 163:e59c8e839560 417 /**
AnnaBridge 163:e59c8e839560 418 * @brief Return data stored in the Independent Data(IDR) register.
AnnaBridge 163:e59c8e839560 419 * @note This register can be used as a temporary storage location for one byte.
AnnaBridge 163:e59c8e839560 420 * @rmtoll IDR IDR LL_CRC_Read_IDR
AnnaBridge 163:e59c8e839560 421 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 422 * @retval Value stored in CRC_IDR register (General-purpose 8-bit data register).
AnnaBridge 163:e59c8e839560 423 */
AnnaBridge 163:e59c8e839560 424 __STATIC_INLINE uint32_t LL_CRC_Read_IDR(CRC_TypeDef *CRCx)
AnnaBridge 163:e59c8e839560 425 {
AnnaBridge 163:e59c8e839560 426 return (uint32_t)(READ_REG(CRCx->IDR));
AnnaBridge 163:e59c8e839560 427 }
AnnaBridge 163:e59c8e839560 428
AnnaBridge 163:e59c8e839560 429 /**
AnnaBridge 163:e59c8e839560 430 * @brief Store data in the Independent Data(IDR) register.
AnnaBridge 163:e59c8e839560 431 * @note This register can be used as a temporary storage location for one byte.
AnnaBridge 163:e59c8e839560 432 * @rmtoll IDR IDR LL_CRC_Write_IDR
AnnaBridge 163:e59c8e839560 433 * @param CRCx CRC Instance
AnnaBridge 163:e59c8e839560 434 * @param InData value to be stored in CRC_IDR register (8-bit) between between Min_Data=0 and Max_Data=0xFF
AnnaBridge 163:e59c8e839560 435 * @retval None
AnnaBridge 163:e59c8e839560 436 */
AnnaBridge 163:e59c8e839560 437 __STATIC_INLINE void LL_CRC_Write_IDR(CRC_TypeDef *CRCx, uint32_t InData)
AnnaBridge 163:e59c8e839560 438 {
AnnaBridge 163:e59c8e839560 439 *((uint8_t __IO *)(&CRCx->IDR)) = (uint8_t) InData;
AnnaBridge 163:e59c8e839560 440 }
AnnaBridge 163:e59c8e839560 441 /**
AnnaBridge 163:e59c8e839560 442 * @}
AnnaBridge 163:e59c8e839560 443 */
AnnaBridge 163:e59c8e839560 444
AnnaBridge 163:e59c8e839560 445 #if defined(USE_FULL_LL_DRIVER)
AnnaBridge 163:e59c8e839560 446 /** @defgroup CRC_LL_EF_Init Initialization and de-initialization functions
AnnaBridge 163:e59c8e839560 447 * @{
AnnaBridge 163:e59c8e839560 448 */
AnnaBridge 163:e59c8e839560 449
AnnaBridge 163:e59c8e839560 450 ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx);
AnnaBridge 163:e59c8e839560 451
AnnaBridge 163:e59c8e839560 452 /**
AnnaBridge 163:e59c8e839560 453 * @}
AnnaBridge 163:e59c8e839560 454 */
AnnaBridge 163:e59c8e839560 455 #endif /* USE_FULL_LL_DRIVER */
AnnaBridge 163:e59c8e839560 456
AnnaBridge 163:e59c8e839560 457 /**
AnnaBridge 163:e59c8e839560 458 * @}
AnnaBridge 163:e59c8e839560 459 */
AnnaBridge 163:e59c8e839560 460
AnnaBridge 163:e59c8e839560 461 /**
AnnaBridge 163:e59c8e839560 462 * @}
AnnaBridge 163:e59c8e839560 463 */
AnnaBridge 163:e59c8e839560 464
AnnaBridge 163:e59c8e839560 465 #endif /* defined(CRC) */
AnnaBridge 163:e59c8e839560 466
AnnaBridge 163:e59c8e839560 467 /**
AnnaBridge 163:e59c8e839560 468 * @}
AnnaBridge 163:e59c8e839560 469 */
AnnaBridge 163:e59c8e839560 470
AnnaBridge 163:e59c8e839560 471 #ifdef __cplusplus
AnnaBridge 163:e59c8e839560 472 }
AnnaBridge 163:e59c8e839560 473 #endif
AnnaBridge 163:e59c8e839560 474
AnnaBridge 163:e59c8e839560 475 #endif /* __STM32F3xx_LL_CRC_H */
AnnaBridge 163:e59c8e839560 476
AnnaBridge 163:e59c8e839560 477 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/