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TARGET_NUCLEO_F030R8/TOOLCHAIN_IAR/stm32f0xx_ll_crc.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 171:3a7713b1edbc 1 /**
AnnaBridge 171:3a7713b1edbc 2 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 3 * @file stm32f0xx_ll_crc.h
AnnaBridge 171:3a7713b1edbc 4 * @author MCD Application Team
AnnaBridge 171:3a7713b1edbc 5 * @brief Header file of CRC LL module.
AnnaBridge 171:3a7713b1edbc 6 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 7 * @attention
AnnaBridge 171:3a7713b1edbc 8 *
AnnaBridge 171:3a7713b1edbc 9 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
AnnaBridge 171:3a7713b1edbc 10 *
AnnaBridge 171:3a7713b1edbc 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 171:3a7713b1edbc 12 * are permitted provided that the following conditions are met:
AnnaBridge 171:3a7713b1edbc 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 171:3a7713b1edbc 14 * this list of conditions and the following disclaimer.
AnnaBridge 171:3a7713b1edbc 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 171:3a7713b1edbc 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 171:3a7713b1edbc 17 * and/or other materials provided with the distribution.
AnnaBridge 171:3a7713b1edbc 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 171:3a7713b1edbc 19 * may be used to endorse or promote products derived from this software
AnnaBridge 171:3a7713b1edbc 20 * without specific prior written permission.
AnnaBridge 171:3a7713b1edbc 21 *
AnnaBridge 171:3a7713b1edbc 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 171:3a7713b1edbc 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 171:3a7713b1edbc 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 171:3a7713b1edbc 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 171:3a7713b1edbc 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 171:3a7713b1edbc 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 171:3a7713b1edbc 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 171:3a7713b1edbc 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 171:3a7713b1edbc 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 171:3a7713b1edbc 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 171:3a7713b1edbc 32 *
AnnaBridge 171:3a7713b1edbc 33 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 34 */
AnnaBridge 171:3a7713b1edbc 35
AnnaBridge 171:3a7713b1edbc 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 171:3a7713b1edbc 37 #ifndef __STM32F0xx_LL_CRC_H
AnnaBridge 171:3a7713b1edbc 38 #define __STM32F0xx_LL_CRC_H
AnnaBridge 171:3a7713b1edbc 39
AnnaBridge 171:3a7713b1edbc 40 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 41 extern "C" {
AnnaBridge 171:3a7713b1edbc 42 #endif
AnnaBridge 171:3a7713b1edbc 43
AnnaBridge 171:3a7713b1edbc 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 45 #include "stm32f0xx.h"
AnnaBridge 171:3a7713b1edbc 46
AnnaBridge 171:3a7713b1edbc 47 /** @addtogroup STM32F0xx_LL_Driver
AnnaBridge 171:3a7713b1edbc 48 * @{
AnnaBridge 171:3a7713b1edbc 49 */
AnnaBridge 171:3a7713b1edbc 50
AnnaBridge 171:3a7713b1edbc 51 #if defined(CRC)
AnnaBridge 171:3a7713b1edbc 52
AnnaBridge 171:3a7713b1edbc 53 /** @defgroup CRC_LL CRC
AnnaBridge 171:3a7713b1edbc 54 * @{
AnnaBridge 171:3a7713b1edbc 55 */
AnnaBridge 171:3a7713b1edbc 56
AnnaBridge 171:3a7713b1edbc 57 /* Private types -------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 58 /* Private variables ---------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 59 /* Private constants ---------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 60 /* Private macros ------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 61
AnnaBridge 171:3a7713b1edbc 62 /* Exported types ------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 63 /* Exported constants --------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 64 /** @defgroup CRC_LL_Exported_Constants CRC Exported Constants
AnnaBridge 171:3a7713b1edbc 65 * @{
AnnaBridge 171:3a7713b1edbc 66 */
AnnaBridge 171:3a7713b1edbc 67
AnnaBridge 171:3a7713b1edbc 68 #if defined(CRC_PROG_POLYNOMIAL_SUPPORT)
AnnaBridge 171:3a7713b1edbc 69 /** @defgroup CRC_LL_EC_POLYLENGTH Polynomial length
AnnaBridge 171:3a7713b1edbc 70 * @{
AnnaBridge 171:3a7713b1edbc 71 */
AnnaBridge 171:3a7713b1edbc 72 #define LL_CRC_POLYLENGTH_32B 0x00000000U /*!< 32 bits Polynomial size */
AnnaBridge 171:3a7713b1edbc 73 #define LL_CRC_POLYLENGTH_16B CRC_CR_POLYSIZE_0 /*!< 16 bits Polynomial size */
AnnaBridge 171:3a7713b1edbc 74 #define LL_CRC_POLYLENGTH_8B CRC_CR_POLYSIZE_1 /*!< 8 bits Polynomial size */
AnnaBridge 171:3a7713b1edbc 75 #define LL_CRC_POLYLENGTH_7B (CRC_CR_POLYSIZE_1 | CRC_CR_POLYSIZE_0) /*!< 7 bits Polynomial size */
AnnaBridge 171:3a7713b1edbc 76 /**
AnnaBridge 171:3a7713b1edbc 77 * @}
AnnaBridge 171:3a7713b1edbc 78 */
AnnaBridge 171:3a7713b1edbc 79 #endif
AnnaBridge 171:3a7713b1edbc 80
AnnaBridge 171:3a7713b1edbc 81 /** @defgroup CRC_LL_EC_INDATA_REVERSE Input Data Reverse
AnnaBridge 171:3a7713b1edbc 82 * @{
AnnaBridge 171:3a7713b1edbc 83 */
AnnaBridge 171:3a7713b1edbc 84 #define LL_CRC_INDATA_REVERSE_NONE 0x00000000U /*!< Input Data bit order not affected */
AnnaBridge 171:3a7713b1edbc 85 #define LL_CRC_INDATA_REVERSE_BYTE CRC_CR_REV_IN_0 /*!< Input Data bit reversal done by byte */
AnnaBridge 171:3a7713b1edbc 86 #define LL_CRC_INDATA_REVERSE_HALFWORD CRC_CR_REV_IN_1 /*!< Input Data bit reversal done by half-word */
AnnaBridge 171:3a7713b1edbc 87 #define LL_CRC_INDATA_REVERSE_WORD (CRC_CR_REV_IN_1 | CRC_CR_REV_IN_0) /*!< Input Data bit reversal done by word */
AnnaBridge 171:3a7713b1edbc 88 /**
AnnaBridge 171:3a7713b1edbc 89 * @}
AnnaBridge 171:3a7713b1edbc 90 */
AnnaBridge 171:3a7713b1edbc 91
AnnaBridge 171:3a7713b1edbc 92 /** @defgroup CRC_LL_EC_OUTDATA_REVERSE Output Data Reverse
AnnaBridge 171:3a7713b1edbc 93 * @{
AnnaBridge 171:3a7713b1edbc 94 */
AnnaBridge 171:3a7713b1edbc 95 #define LL_CRC_OUTDATA_REVERSE_NONE 0x00000000U /*!< Output Data bit order not affected */
AnnaBridge 171:3a7713b1edbc 96 #define LL_CRC_OUTDATA_REVERSE_BIT CRC_CR_REV_OUT /*!< Output Data bit reversal done by bit */
AnnaBridge 171:3a7713b1edbc 97 /**
AnnaBridge 171:3a7713b1edbc 98 * @}
AnnaBridge 171:3a7713b1edbc 99 */
AnnaBridge 171:3a7713b1edbc 100
AnnaBridge 171:3a7713b1edbc 101 #if defined(CRC_PROG_POLYNOMIAL_SUPPORT)
AnnaBridge 171:3a7713b1edbc 102 /** @defgroup CRC_LL_EC_Default_Polynomial_Value Default CRC generating polynomial value
AnnaBridge 171:3a7713b1edbc 103 * @brief Normal representation of this polynomial value is
AnnaBridge 171:3a7713b1edbc 104 * 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 171:3a7713b1edbc 105 * @{
AnnaBridge 171:3a7713b1edbc 106 */
AnnaBridge 171:3a7713b1edbc 107 #define LL_CRC_DEFAULT_CRC32_POLY 0x04C11DB7U /*!< Default CRC generating polynomial value */
AnnaBridge 171:3a7713b1edbc 108 /**
AnnaBridge 171:3a7713b1edbc 109 * @}
AnnaBridge 171:3a7713b1edbc 110 */
AnnaBridge 171:3a7713b1edbc 111 #endif
AnnaBridge 171:3a7713b1edbc 112
AnnaBridge 171:3a7713b1edbc 113 /** @defgroup CRC_LL_EC_Default_InitValue Default CRC computation initialization value
AnnaBridge 171:3a7713b1edbc 114 * @{
AnnaBridge 171:3a7713b1edbc 115 */
AnnaBridge 171:3a7713b1edbc 116 #define LL_CRC_DEFAULT_CRC_INITVALUE 0xFFFFFFFFU /*!< Default CRC computation initialization value */
AnnaBridge 171:3a7713b1edbc 117 /**
AnnaBridge 171:3a7713b1edbc 118 * @}
AnnaBridge 171:3a7713b1edbc 119 */
AnnaBridge 171:3a7713b1edbc 120
AnnaBridge 171:3a7713b1edbc 121 /**
AnnaBridge 171:3a7713b1edbc 122 * @}
AnnaBridge 171:3a7713b1edbc 123 */
AnnaBridge 171:3a7713b1edbc 124
AnnaBridge 171:3a7713b1edbc 125 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 126 /** @defgroup CRC_LL_Exported_Macros CRC Exported Macros
AnnaBridge 171:3a7713b1edbc 127 * @{
AnnaBridge 171:3a7713b1edbc 128 */
AnnaBridge 171:3a7713b1edbc 129
AnnaBridge 171:3a7713b1edbc 130 /** @defgroup CRC_LL_EM_WRITE_READ Common Write and read registers Macros
AnnaBridge 171:3a7713b1edbc 131 * @{
AnnaBridge 171:3a7713b1edbc 132 */
AnnaBridge 171:3a7713b1edbc 133
AnnaBridge 171:3a7713b1edbc 134 /**
AnnaBridge 171:3a7713b1edbc 135 * @brief Write a value in CRC register
AnnaBridge 171:3a7713b1edbc 136 * @param __INSTANCE__ CRC Instance
AnnaBridge 171:3a7713b1edbc 137 * @param __REG__ Register to be written
AnnaBridge 171:3a7713b1edbc 138 * @param __VALUE__ Value to be written in the register
AnnaBridge 171:3a7713b1edbc 139 * @retval None
AnnaBridge 171:3a7713b1edbc 140 */
AnnaBridge 171:3a7713b1edbc 141 #define LL_CRC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
AnnaBridge 171:3a7713b1edbc 142
AnnaBridge 171:3a7713b1edbc 143 /**
AnnaBridge 171:3a7713b1edbc 144 * @brief Read a value in CRC register
AnnaBridge 171:3a7713b1edbc 145 * @param __INSTANCE__ CRC Instance
AnnaBridge 171:3a7713b1edbc 146 * @param __REG__ Register to be read
AnnaBridge 171:3a7713b1edbc 147 * @retval Register value
AnnaBridge 171:3a7713b1edbc 148 */
AnnaBridge 171:3a7713b1edbc 149 #define LL_CRC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
AnnaBridge 171:3a7713b1edbc 150 /**
AnnaBridge 171:3a7713b1edbc 151 * @}
AnnaBridge 171:3a7713b1edbc 152 */
AnnaBridge 171:3a7713b1edbc 153
AnnaBridge 171:3a7713b1edbc 154 /**
AnnaBridge 171:3a7713b1edbc 155 * @}
AnnaBridge 171:3a7713b1edbc 156 */
AnnaBridge 171:3a7713b1edbc 157
AnnaBridge 171:3a7713b1edbc 158
AnnaBridge 171:3a7713b1edbc 159 /* Exported functions --------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 160 /** @defgroup CRC_LL_Exported_Functions CRC Exported Functions
AnnaBridge 171:3a7713b1edbc 161 * @{
AnnaBridge 171:3a7713b1edbc 162 */
AnnaBridge 171:3a7713b1edbc 163
AnnaBridge 171:3a7713b1edbc 164 /** @defgroup CRC_LL_EF_Configuration CRC Configuration functions
AnnaBridge 171:3a7713b1edbc 165 * @{
AnnaBridge 171:3a7713b1edbc 166 */
AnnaBridge 171:3a7713b1edbc 167
AnnaBridge 171:3a7713b1edbc 168 /**
AnnaBridge 171:3a7713b1edbc 169 * @brief Reset the CRC calculation unit.
AnnaBridge 171:3a7713b1edbc 170 * @note If Programmable Initial CRC value feature
AnnaBridge 171:3a7713b1edbc 171 * is available, also set the Data Register to the value stored in the
AnnaBridge 171:3a7713b1edbc 172 * CRC_INIT register, otherwise, reset Data Register to its default value.
AnnaBridge 171:3a7713b1edbc 173 * @rmtoll CR RESET LL_CRC_ResetCRCCalculationUnit
AnnaBridge 171:3a7713b1edbc 174 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 175 * @retval None
AnnaBridge 171:3a7713b1edbc 176 */
AnnaBridge 171:3a7713b1edbc 177 __STATIC_INLINE void LL_CRC_ResetCRCCalculationUnit(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 178 {
AnnaBridge 171:3a7713b1edbc 179 SET_BIT(CRCx->CR, CRC_CR_RESET);
AnnaBridge 171:3a7713b1edbc 180 }
AnnaBridge 171:3a7713b1edbc 181
AnnaBridge 171:3a7713b1edbc 182 #if defined(CRC_PROG_POLYNOMIAL_SUPPORT)
AnnaBridge 171:3a7713b1edbc 183 /**
AnnaBridge 171:3a7713b1edbc 184 * @brief Configure size of the polynomial.
AnnaBridge 171:3a7713b1edbc 185 * @note This function is available only on devices supporting
AnnaBridge 171:3a7713b1edbc 186 * Programmable Polynomial feature.
AnnaBridge 171:3a7713b1edbc 187 * @rmtoll CR POLYSIZE LL_CRC_SetPolynomialSize
AnnaBridge 171:3a7713b1edbc 188 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 189 * @param PolySize This parameter can be one of the following values:
AnnaBridge 171:3a7713b1edbc 190 * @arg @ref LL_CRC_POLYLENGTH_32B
AnnaBridge 171:3a7713b1edbc 191 * @arg @ref LL_CRC_POLYLENGTH_16B
AnnaBridge 171:3a7713b1edbc 192 * @arg @ref LL_CRC_POLYLENGTH_8B
AnnaBridge 171:3a7713b1edbc 193 * @arg @ref LL_CRC_POLYLENGTH_7B
AnnaBridge 171:3a7713b1edbc 194 * @retval None
AnnaBridge 171:3a7713b1edbc 195 */
AnnaBridge 171:3a7713b1edbc 196 __STATIC_INLINE void LL_CRC_SetPolynomialSize(CRC_TypeDef *CRCx, uint32_t PolySize)
AnnaBridge 171:3a7713b1edbc 197 {
AnnaBridge 171:3a7713b1edbc 198 MODIFY_REG(CRCx->CR, CRC_CR_POLYSIZE, PolySize);
AnnaBridge 171:3a7713b1edbc 199 }
AnnaBridge 171:3a7713b1edbc 200
AnnaBridge 171:3a7713b1edbc 201 /**
AnnaBridge 171:3a7713b1edbc 202 * @brief Return size of the polynomial.
AnnaBridge 171:3a7713b1edbc 203 * @note This function is available only on devices supporting
AnnaBridge 171:3a7713b1edbc 204 * Programmable Polynomial feature.
AnnaBridge 171:3a7713b1edbc 205 * @rmtoll CR POLYSIZE LL_CRC_GetPolynomialSize
AnnaBridge 171:3a7713b1edbc 206 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 207 * @retval Returned value can be one of the following values:
AnnaBridge 171:3a7713b1edbc 208 * @arg @ref LL_CRC_POLYLENGTH_32B
AnnaBridge 171:3a7713b1edbc 209 * @arg @ref LL_CRC_POLYLENGTH_16B
AnnaBridge 171:3a7713b1edbc 210 * @arg @ref LL_CRC_POLYLENGTH_8B
AnnaBridge 171:3a7713b1edbc 211 * @arg @ref LL_CRC_POLYLENGTH_7B
AnnaBridge 171:3a7713b1edbc 212 */
AnnaBridge 171:3a7713b1edbc 213 __STATIC_INLINE uint32_t LL_CRC_GetPolynomialSize(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 214 {
AnnaBridge 171:3a7713b1edbc 215 return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_POLYSIZE));
AnnaBridge 171:3a7713b1edbc 216 }
AnnaBridge 171:3a7713b1edbc 217 #endif
AnnaBridge 171:3a7713b1edbc 218
AnnaBridge 171:3a7713b1edbc 219 /**
AnnaBridge 171:3a7713b1edbc 220 * @brief Configure the reversal of the bit order of the input data
AnnaBridge 171:3a7713b1edbc 221 * @rmtoll CR REV_IN LL_CRC_SetInputDataReverseMode
AnnaBridge 171:3a7713b1edbc 222 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 223 * @param ReverseMode This parameter can be one of the following values:
AnnaBridge 171:3a7713b1edbc 224 * @arg @ref LL_CRC_INDATA_REVERSE_NONE
AnnaBridge 171:3a7713b1edbc 225 * @arg @ref LL_CRC_INDATA_REVERSE_BYTE
AnnaBridge 171:3a7713b1edbc 226 * @arg @ref LL_CRC_INDATA_REVERSE_HALFWORD
AnnaBridge 171:3a7713b1edbc 227 * @arg @ref LL_CRC_INDATA_REVERSE_WORD
AnnaBridge 171:3a7713b1edbc 228 * @retval None
AnnaBridge 171:3a7713b1edbc 229 */
AnnaBridge 171:3a7713b1edbc 230 __STATIC_INLINE void LL_CRC_SetInputDataReverseMode(CRC_TypeDef *CRCx, uint32_t ReverseMode)
AnnaBridge 171:3a7713b1edbc 231 {
AnnaBridge 171:3a7713b1edbc 232 MODIFY_REG(CRCx->CR, CRC_CR_REV_IN, ReverseMode);
AnnaBridge 171:3a7713b1edbc 233 }
AnnaBridge 171:3a7713b1edbc 234
AnnaBridge 171:3a7713b1edbc 235 /**
AnnaBridge 171:3a7713b1edbc 236 * @brief Return type of reversal for input data bit order
AnnaBridge 171:3a7713b1edbc 237 * @rmtoll CR REV_IN LL_CRC_GetInputDataReverseMode
AnnaBridge 171:3a7713b1edbc 238 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 239 * @retval Returned value can be one of the following values:
AnnaBridge 171:3a7713b1edbc 240 * @arg @ref LL_CRC_INDATA_REVERSE_NONE
AnnaBridge 171:3a7713b1edbc 241 * @arg @ref LL_CRC_INDATA_REVERSE_BYTE
AnnaBridge 171:3a7713b1edbc 242 * @arg @ref LL_CRC_INDATA_REVERSE_HALFWORD
AnnaBridge 171:3a7713b1edbc 243 * @arg @ref LL_CRC_INDATA_REVERSE_WORD
AnnaBridge 171:3a7713b1edbc 244 */
AnnaBridge 171:3a7713b1edbc 245 __STATIC_INLINE uint32_t LL_CRC_GetInputDataReverseMode(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 246 {
AnnaBridge 171:3a7713b1edbc 247 return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_REV_IN));
AnnaBridge 171:3a7713b1edbc 248 }
AnnaBridge 171:3a7713b1edbc 249
AnnaBridge 171:3a7713b1edbc 250 /**
AnnaBridge 171:3a7713b1edbc 251 * @brief Configure the reversal of the bit order of the Output data
AnnaBridge 171:3a7713b1edbc 252 * @rmtoll CR REV_OUT LL_CRC_SetOutputDataReverseMode
AnnaBridge 171:3a7713b1edbc 253 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 254 * @param ReverseMode This parameter can be one of the following values:
AnnaBridge 171:3a7713b1edbc 255 * @arg @ref LL_CRC_OUTDATA_REVERSE_NONE
AnnaBridge 171:3a7713b1edbc 256 * @arg @ref LL_CRC_OUTDATA_REVERSE_BIT
AnnaBridge 171:3a7713b1edbc 257 * @retval None
AnnaBridge 171:3a7713b1edbc 258 */
AnnaBridge 171:3a7713b1edbc 259 __STATIC_INLINE void LL_CRC_SetOutputDataReverseMode(CRC_TypeDef *CRCx, uint32_t ReverseMode)
AnnaBridge 171:3a7713b1edbc 260 {
AnnaBridge 171:3a7713b1edbc 261 MODIFY_REG(CRCx->CR, CRC_CR_REV_OUT, ReverseMode);
AnnaBridge 171:3a7713b1edbc 262 }
AnnaBridge 171:3a7713b1edbc 263
AnnaBridge 171:3a7713b1edbc 264 /**
AnnaBridge 171:3a7713b1edbc 265 * @brief Configure the reversal of the bit order of the Output data
AnnaBridge 171:3a7713b1edbc 266 * @rmtoll CR REV_OUT LL_CRC_GetOutputDataReverseMode
AnnaBridge 171:3a7713b1edbc 267 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 268 * @retval Returned value can be one of the following values:
AnnaBridge 171:3a7713b1edbc 269 * @arg @ref LL_CRC_OUTDATA_REVERSE_NONE
AnnaBridge 171:3a7713b1edbc 270 * @arg @ref LL_CRC_OUTDATA_REVERSE_BIT
AnnaBridge 171:3a7713b1edbc 271 */
AnnaBridge 171:3a7713b1edbc 272 __STATIC_INLINE uint32_t LL_CRC_GetOutputDataReverseMode(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 273 {
AnnaBridge 171:3a7713b1edbc 274 return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_REV_OUT));
AnnaBridge 171:3a7713b1edbc 275 }
AnnaBridge 171:3a7713b1edbc 276
AnnaBridge 171:3a7713b1edbc 277 /**
AnnaBridge 171:3a7713b1edbc 278 * @brief Initialize the Programmable initial CRC value.
AnnaBridge 171:3a7713b1edbc 279 * @note If the CRC size is less than 32 bits, the least significant bits
AnnaBridge 171:3a7713b1edbc 280 * are used to write the correct value
AnnaBridge 171:3a7713b1edbc 281 * @note LL_CRC_DEFAULT_CRC_INITVALUE could be used as value for InitCrc parameter.
AnnaBridge 171:3a7713b1edbc 282 * @rmtoll INIT INIT LL_CRC_SetInitialData
AnnaBridge 171:3a7713b1edbc 283 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 284 * @param InitCrc Value to be programmed in Programmable initial CRC value register
AnnaBridge 171:3a7713b1edbc 285 * @retval None
AnnaBridge 171:3a7713b1edbc 286 */
AnnaBridge 171:3a7713b1edbc 287 __STATIC_INLINE void LL_CRC_SetInitialData(CRC_TypeDef *CRCx, uint32_t InitCrc)
AnnaBridge 171:3a7713b1edbc 288 {
AnnaBridge 171:3a7713b1edbc 289 WRITE_REG(CRCx->INIT, InitCrc);
AnnaBridge 171:3a7713b1edbc 290 }
AnnaBridge 171:3a7713b1edbc 291
AnnaBridge 171:3a7713b1edbc 292 /**
AnnaBridge 171:3a7713b1edbc 293 * @brief Return current Initial CRC value.
AnnaBridge 171:3a7713b1edbc 294 * @note If the CRC size is less than 32 bits, the least significant bits
AnnaBridge 171:3a7713b1edbc 295 * are used to read the correct value
AnnaBridge 171:3a7713b1edbc 296 * @rmtoll INIT INIT LL_CRC_GetInitialData
AnnaBridge 171:3a7713b1edbc 297 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 298 * @retval Value programmed in Programmable initial CRC value register
AnnaBridge 171:3a7713b1edbc 299 */
AnnaBridge 171:3a7713b1edbc 300 __STATIC_INLINE uint32_t LL_CRC_GetInitialData(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 301 {
AnnaBridge 171:3a7713b1edbc 302 return (uint32_t)(READ_REG(CRCx->INIT));
AnnaBridge 171:3a7713b1edbc 303 }
AnnaBridge 171:3a7713b1edbc 304
AnnaBridge 171:3a7713b1edbc 305 #if defined(CRC_PROG_POLYNOMIAL_SUPPORT)
AnnaBridge 171:3a7713b1edbc 306 /**
AnnaBridge 171:3a7713b1edbc 307 * @brief Initialize the Programmable polynomial value
AnnaBridge 171:3a7713b1edbc 308 * (coefficients of the polynomial to be used for CRC calculation).
AnnaBridge 171:3a7713b1edbc 309 * @note This function is available only on devices supporting
AnnaBridge 171:3a7713b1edbc 310 * Programmable Polynomial feature.
AnnaBridge 171:3a7713b1edbc 311 * @note LL_CRC_DEFAULT_CRC32_POLY could be used as value for PolynomCoef parameter.
AnnaBridge 171:3a7713b1edbc 312 * @note Please check Reference Manual and existing Errata Sheets,
AnnaBridge 171:3a7713b1edbc 313 * regarding possible limitations for Polynomial values usage.
AnnaBridge 171:3a7713b1edbc 314 * For example, for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65
AnnaBridge 171:3a7713b1edbc 315 * @rmtoll POL POL LL_CRC_SetPolynomialCoef
AnnaBridge 171:3a7713b1edbc 316 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 317 * @param PolynomCoef Value to be programmed in Programmable Polynomial value register
AnnaBridge 171:3a7713b1edbc 318 * @retval None
AnnaBridge 171:3a7713b1edbc 319 */
AnnaBridge 171:3a7713b1edbc 320 __STATIC_INLINE void LL_CRC_SetPolynomialCoef(CRC_TypeDef *CRCx, uint32_t PolynomCoef)
AnnaBridge 171:3a7713b1edbc 321 {
AnnaBridge 171:3a7713b1edbc 322 WRITE_REG(CRCx->POL, PolynomCoef);
AnnaBridge 171:3a7713b1edbc 323 }
AnnaBridge 171:3a7713b1edbc 324
AnnaBridge 171:3a7713b1edbc 325 /**
AnnaBridge 171:3a7713b1edbc 326 * @brief Return current Programmable polynomial value
AnnaBridge 171:3a7713b1edbc 327 * @note This function is available only on devices supporting
AnnaBridge 171:3a7713b1edbc 328 * Programmable Polynomial feature.
AnnaBridge 171:3a7713b1edbc 329 * @note Please check Reference Manual and existing Errata Sheets,
AnnaBridge 171:3a7713b1edbc 330 * regarding possible limitations for Polynomial values usage.
AnnaBridge 171:3a7713b1edbc 331 * For example, for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65
AnnaBridge 171:3a7713b1edbc 332 * @rmtoll POL POL LL_CRC_GetPolynomialCoef
AnnaBridge 171:3a7713b1edbc 333 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 334 * @retval Value programmed in Programmable Polynomial value register
AnnaBridge 171:3a7713b1edbc 335 */
AnnaBridge 171:3a7713b1edbc 336 __STATIC_INLINE uint32_t LL_CRC_GetPolynomialCoef(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 337 {
AnnaBridge 171:3a7713b1edbc 338 return (uint32_t)(READ_REG(CRCx->POL));
AnnaBridge 171:3a7713b1edbc 339 }
AnnaBridge 171:3a7713b1edbc 340 #endif
AnnaBridge 171:3a7713b1edbc 341
AnnaBridge 171:3a7713b1edbc 342 /**
AnnaBridge 171:3a7713b1edbc 343 * @}
AnnaBridge 171:3a7713b1edbc 344 */
AnnaBridge 171:3a7713b1edbc 345
AnnaBridge 171:3a7713b1edbc 346 /** @defgroup CRC_LL_EF_Data_Management Data_Management
AnnaBridge 171:3a7713b1edbc 347 * @{
AnnaBridge 171:3a7713b1edbc 348 */
AnnaBridge 171:3a7713b1edbc 349
AnnaBridge 171:3a7713b1edbc 350 /**
AnnaBridge 171:3a7713b1edbc 351 * @brief Write given 32-bit data to the CRC calculator
AnnaBridge 171:3a7713b1edbc 352 * @rmtoll DR DR LL_CRC_FeedData32
AnnaBridge 171:3a7713b1edbc 353 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 354 * @param InData value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFFFFFF
AnnaBridge 171:3a7713b1edbc 355 * @retval None
AnnaBridge 171:3a7713b1edbc 356 */
AnnaBridge 171:3a7713b1edbc 357 __STATIC_INLINE void LL_CRC_FeedData32(CRC_TypeDef *CRCx, uint32_t InData)
AnnaBridge 171:3a7713b1edbc 358 {
AnnaBridge 171:3a7713b1edbc 359 WRITE_REG(CRCx->DR, InData);
AnnaBridge 171:3a7713b1edbc 360 }
AnnaBridge 171:3a7713b1edbc 361
AnnaBridge 171:3a7713b1edbc 362 /**
AnnaBridge 171:3a7713b1edbc 363 * @brief Write given 16-bit data to the CRC calculator
AnnaBridge 171:3a7713b1edbc 364 * @rmtoll DR DR LL_CRC_FeedData16
AnnaBridge 171:3a7713b1edbc 365 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 366 * @param InData 16 bit value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFF
AnnaBridge 171:3a7713b1edbc 367 * @retval None
AnnaBridge 171:3a7713b1edbc 368 */
AnnaBridge 171:3a7713b1edbc 369 __STATIC_INLINE void LL_CRC_FeedData16(CRC_TypeDef *CRCx, uint16_t InData)
AnnaBridge 171:3a7713b1edbc 370 {
AnnaBridge 171:3a7713b1edbc 371 *(uint16_t __IO *)(&CRCx->DR) = (uint16_t) InData;
AnnaBridge 171:3a7713b1edbc 372 }
AnnaBridge 171:3a7713b1edbc 373
AnnaBridge 171:3a7713b1edbc 374 /**
AnnaBridge 171:3a7713b1edbc 375 * @brief Write given 8-bit data to the CRC calculator
AnnaBridge 171:3a7713b1edbc 376 * @rmtoll DR DR LL_CRC_FeedData8
AnnaBridge 171:3a7713b1edbc 377 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 378 * @param InData 8 bit value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFF
AnnaBridge 171:3a7713b1edbc 379 * @retval None
AnnaBridge 171:3a7713b1edbc 380 */
AnnaBridge 171:3a7713b1edbc 381 __STATIC_INLINE void LL_CRC_FeedData8(CRC_TypeDef *CRCx, uint8_t InData)
AnnaBridge 171:3a7713b1edbc 382 {
AnnaBridge 171:3a7713b1edbc 383 *(uint8_t __IO *)(&CRCx->DR) = (uint8_t) InData;
AnnaBridge 171:3a7713b1edbc 384 }
AnnaBridge 171:3a7713b1edbc 385
AnnaBridge 171:3a7713b1edbc 386 /**
AnnaBridge 171:3a7713b1edbc 387 * @brief Return current CRC calculation result. 32 bits value is returned.
AnnaBridge 171:3a7713b1edbc 388 * @rmtoll DR DR LL_CRC_ReadData32
AnnaBridge 171:3a7713b1edbc 389 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 390 * @retval Current CRC calculation result as stored in CRC_DR register (32 bits).
AnnaBridge 171:3a7713b1edbc 391 */
AnnaBridge 171:3a7713b1edbc 392 __STATIC_INLINE uint32_t LL_CRC_ReadData32(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 393 {
AnnaBridge 171:3a7713b1edbc 394 return (uint32_t)(READ_REG(CRCx->DR));
AnnaBridge 171:3a7713b1edbc 395 }
AnnaBridge 171:3a7713b1edbc 396
AnnaBridge 171:3a7713b1edbc 397 #if defined(CRC_PROG_POLYNOMIAL_SUPPORT)
AnnaBridge 171:3a7713b1edbc 398 /**
AnnaBridge 171:3a7713b1edbc 399 * @brief Return current CRC calculation result. 16 bits value is returned.
AnnaBridge 171:3a7713b1edbc 400 * @note This function is expected to be used in a 16 bits CRC polynomial size context.
AnnaBridge 171:3a7713b1edbc 401 * @note This function is available only on devices supporting
AnnaBridge 171:3a7713b1edbc 402 * Programmable Polynomial feature.
AnnaBridge 171:3a7713b1edbc 403 * @rmtoll DR DR LL_CRC_ReadData16
AnnaBridge 171:3a7713b1edbc 404 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 405 * @retval Current CRC calculation result as stored in CRC_DR register (16 bits).
AnnaBridge 171:3a7713b1edbc 406 */
AnnaBridge 171:3a7713b1edbc 407 __STATIC_INLINE uint16_t LL_CRC_ReadData16(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 408 {
AnnaBridge 171:3a7713b1edbc 409 return (uint16_t)READ_REG(CRCx->DR);
AnnaBridge 171:3a7713b1edbc 410 }
AnnaBridge 171:3a7713b1edbc 411
AnnaBridge 171:3a7713b1edbc 412 /**
AnnaBridge 171:3a7713b1edbc 413 * @brief Return current CRC calculation result. 8 bits value is returned.
AnnaBridge 171:3a7713b1edbc 414 * @note This function is expected to be used in a 8 bits CRC polynomial size context.
AnnaBridge 171:3a7713b1edbc 415 * @note This function is available only on devices supporting
AnnaBridge 171:3a7713b1edbc 416 * Programmable Polynomial feature.
AnnaBridge 171:3a7713b1edbc 417 * @rmtoll DR DR LL_CRC_ReadData8
AnnaBridge 171:3a7713b1edbc 418 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 419 * @retval Current CRC calculation result as stored in CRC_DR register (8 bits).
AnnaBridge 171:3a7713b1edbc 420 */
AnnaBridge 171:3a7713b1edbc 421 __STATIC_INLINE uint8_t LL_CRC_ReadData8(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 422 {
AnnaBridge 171:3a7713b1edbc 423 return (uint8_t)READ_REG(CRCx->DR);
AnnaBridge 171:3a7713b1edbc 424 }
AnnaBridge 171:3a7713b1edbc 425
AnnaBridge 171:3a7713b1edbc 426 /**
AnnaBridge 171:3a7713b1edbc 427 * @brief Return current CRC calculation result. 7 bits value is returned.
AnnaBridge 171:3a7713b1edbc 428 * @note This function is expected to be used in a 7 bits CRC polynomial size context.
AnnaBridge 171:3a7713b1edbc 429 * @note This function is available only on devices supporting
AnnaBridge 171:3a7713b1edbc 430 * Programmable Polynomial feature.
AnnaBridge 171:3a7713b1edbc 431 * @rmtoll DR DR LL_CRC_ReadData7
AnnaBridge 171:3a7713b1edbc 432 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 433 * @retval Current CRC calculation result as stored in CRC_DR register (7 bits).
AnnaBridge 171:3a7713b1edbc 434 */
AnnaBridge 171:3a7713b1edbc 435 __STATIC_INLINE uint8_t LL_CRC_ReadData7(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 436 {
AnnaBridge 171:3a7713b1edbc 437 return (uint8_t)(READ_REG(CRCx->DR) & 0x7FU);
AnnaBridge 171:3a7713b1edbc 438 }
AnnaBridge 171:3a7713b1edbc 439 #endif
AnnaBridge 171:3a7713b1edbc 440
AnnaBridge 171:3a7713b1edbc 441 /**
AnnaBridge 171:3a7713b1edbc 442 * @brief Return data stored in the Independent Data(IDR) register.
AnnaBridge 171:3a7713b1edbc 443 * @note This register can be used as a temporary storage location for one byte.
AnnaBridge 171:3a7713b1edbc 444 * @rmtoll IDR IDR LL_CRC_Read_IDR
AnnaBridge 171:3a7713b1edbc 445 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 446 * @retval Value stored in CRC_IDR register (General-purpose 8-bit data register).
AnnaBridge 171:3a7713b1edbc 447 */
AnnaBridge 171:3a7713b1edbc 448 __STATIC_INLINE uint32_t LL_CRC_Read_IDR(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 449 {
AnnaBridge 171:3a7713b1edbc 450 return (uint32_t)(READ_REG(CRCx->IDR));
AnnaBridge 171:3a7713b1edbc 451 }
AnnaBridge 171:3a7713b1edbc 452
AnnaBridge 171:3a7713b1edbc 453 /**
AnnaBridge 171:3a7713b1edbc 454 * @brief Store data in the Independent Data(IDR) register.
AnnaBridge 171:3a7713b1edbc 455 * @note This register can be used as a temporary storage location for one byte.
AnnaBridge 171:3a7713b1edbc 456 * @rmtoll IDR IDR LL_CRC_Write_IDR
AnnaBridge 171:3a7713b1edbc 457 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 458 * @param InData value to be stored in CRC_IDR register (8-bit) between between Min_Data=0 and Max_Data=0xFF
AnnaBridge 171:3a7713b1edbc 459 * @retval None
AnnaBridge 171:3a7713b1edbc 460 */
AnnaBridge 171:3a7713b1edbc 461 __STATIC_INLINE void LL_CRC_Write_IDR(CRC_TypeDef *CRCx, uint32_t InData)
AnnaBridge 171:3a7713b1edbc 462 {
AnnaBridge 171:3a7713b1edbc 463 *((uint8_t __IO *)(&CRCx->IDR)) = (uint8_t) InData;
AnnaBridge 171:3a7713b1edbc 464 }
AnnaBridge 171:3a7713b1edbc 465 /**
AnnaBridge 171:3a7713b1edbc 466 * @}
AnnaBridge 171:3a7713b1edbc 467 */
AnnaBridge 171:3a7713b1edbc 468
AnnaBridge 171:3a7713b1edbc 469 #if defined(USE_FULL_LL_DRIVER)
AnnaBridge 171:3a7713b1edbc 470 /** @defgroup CRC_LL_EF_Init Initialization and de-initialization functions
AnnaBridge 171:3a7713b1edbc 471 * @{
AnnaBridge 171:3a7713b1edbc 472 */
AnnaBridge 171:3a7713b1edbc 473
AnnaBridge 171:3a7713b1edbc 474 ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx);
AnnaBridge 171:3a7713b1edbc 475
AnnaBridge 171:3a7713b1edbc 476 /**
AnnaBridge 171:3a7713b1edbc 477 * @}
AnnaBridge 171:3a7713b1edbc 478 */
AnnaBridge 171:3a7713b1edbc 479 #endif /* USE_FULL_LL_DRIVER */
AnnaBridge 171:3a7713b1edbc 480
AnnaBridge 171:3a7713b1edbc 481 /**
AnnaBridge 171:3a7713b1edbc 482 * @}
AnnaBridge 171:3a7713b1edbc 483 */
AnnaBridge 171:3a7713b1edbc 484
AnnaBridge 171:3a7713b1edbc 485 /**
AnnaBridge 171:3a7713b1edbc 486 * @}
AnnaBridge 171:3a7713b1edbc 487 */
AnnaBridge 171:3a7713b1edbc 488
AnnaBridge 171:3a7713b1edbc 489 #endif /* defined(CRC) */
AnnaBridge 171:3a7713b1edbc 490
AnnaBridge 171:3a7713b1edbc 491 /**
AnnaBridge 171:3a7713b1edbc 492 * @}
AnnaBridge 171:3a7713b1edbc 493 */
AnnaBridge 171:3a7713b1edbc 494
AnnaBridge 171:3a7713b1edbc 495 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 496 }
AnnaBridge 171:3a7713b1edbc 497 #endif
AnnaBridge 171:3a7713b1edbc 498
AnnaBridge 171:3a7713b1edbc 499 #endif /* __STM32F0xx_LL_CRC_H */
AnnaBridge 171:3a7713b1edbc 500
AnnaBridge 171:3a7713b1edbc 501 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/