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TARGET_NUCLEO_L496ZG_P/TOOLCHAIN_IAR/stm32l4xx_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_L496AG/TARGET_STM/TARGET_STM32L4/device/stm32l4xx_ll_crc.h@165:d1b4690b3f8b 
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 165:d1b4690b3f8b 1 /**
AnnaBridge 165:d1b4690b3f8b 2 ******************************************************************************
AnnaBridge 165:d1b4690b3f8b 3 * @file stm32l4xx_ll_crc.h
AnnaBridge 165:d1b4690b3f8b 4 * @author MCD Application Team
AnnaBridge 165:d1b4690b3f8b 5 * @brief Header file of CRC LL module.
AnnaBridge 165:d1b4690b3f8b 6 ******************************************************************************
AnnaBridge 165:d1b4690b3f8b 7 * @attention
AnnaBridge 165:d1b4690b3f8b 8 *
AnnaBridge 165:d1b4690b3f8b 9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 165:d1b4690b3f8b 10 *
AnnaBridge 165:d1b4690b3f8b 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 165:d1b4690b3f8b 12 * are permitted provided that the following conditions are met:
AnnaBridge 165:d1b4690b3f8b 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 165:d1b4690b3f8b 14 * this list of conditions and the following disclaimer.
AnnaBridge 165:d1b4690b3f8b 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 165:d1b4690b3f8b 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 165:d1b4690b3f8b 17 * and/or other materials provided with the distribution.
AnnaBridge 165:d1b4690b3f8b 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 165:d1b4690b3f8b 19 * may be used to endorse or promote products derived from this software
AnnaBridge 165:d1b4690b3f8b 20 * without specific prior written permission.
AnnaBridge 165:d1b4690b3f8b 21 *
AnnaBridge 165:d1b4690b3f8b 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 165:d1b4690b3f8b 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 165:d1b4690b3f8b 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 165:d1b4690b3f8b 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 165:d1b4690b3f8b 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 165:d1b4690b3f8b 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 165:d1b4690b3f8b 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 165:d1b4690b3f8b 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 165:d1b4690b3f8b 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 165:d1b4690b3f8b 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 165:d1b4690b3f8b 32 *
AnnaBridge 165:d1b4690b3f8b 33 ******************************************************************************
AnnaBridge 165:d1b4690b3f8b 34 */
AnnaBridge 165:d1b4690b3f8b 35
AnnaBridge 165:d1b4690b3f8b 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 165:d1b4690b3f8b 37 #ifndef __STM32L4xx_LL_CRC_H
AnnaBridge 165:d1b4690b3f8b 38 #define __STM32L4xx_LL_CRC_H
AnnaBridge 165:d1b4690b3f8b 39
AnnaBridge 165:d1b4690b3f8b 40 #ifdef __cplusplus
AnnaBridge 165:d1b4690b3f8b 41 extern "C" {
AnnaBridge 165:d1b4690b3f8b 42 #endif
AnnaBridge 165:d1b4690b3f8b 43
AnnaBridge 165:d1b4690b3f8b 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 165:d1b4690b3f8b 45 #include "stm32l4xx.h"
AnnaBridge 165:d1b4690b3f8b 46
AnnaBridge 165:d1b4690b3f8b 47 /** @addtogroup STM32L4xx_LL_Driver
AnnaBridge 165:d1b4690b3f8b 48 * @{
AnnaBridge 165:d1b4690b3f8b 49 */
AnnaBridge 165:d1b4690b3f8b 50
AnnaBridge 165:d1b4690b3f8b 51 #if defined(CRC)
AnnaBridge 165:d1b4690b3f8b 52
AnnaBridge 165:d1b4690b3f8b 53 /** @defgroup CRC_LL CRC
AnnaBridge 165:d1b4690b3f8b 54 * @{
AnnaBridge 165:d1b4690b3f8b 55 */
AnnaBridge 165:d1b4690b3f8b 56
AnnaBridge 165:d1b4690b3f8b 57 /* Private types -------------------------------------------------------------*/
AnnaBridge 165:d1b4690b3f8b 58 /* Private variables ---------------------------------------------------------*/
AnnaBridge 165:d1b4690b3f8b 59 /* Private constants ---------------------------------------------------------*/
AnnaBridge 165:d1b4690b3f8b 60 /* Private macros ------------------------------------------------------------*/
AnnaBridge 165:d1b4690b3f8b 61
AnnaBridge 165:d1b4690b3f8b 62 /* Exported types ------------------------------------------------------------*/
AnnaBridge 165:d1b4690b3f8b 63 /* Exported constants --------------------------------------------------------*/
AnnaBridge 165:d1b4690b3f8b 64 /** @defgroup CRC_LL_Exported_Constants CRC Exported Constants
AnnaBridge 165:d1b4690b3f8b 65 * @{
AnnaBridge 165:d1b4690b3f8b 66 */
AnnaBridge 165:d1b4690b3f8b 67
AnnaBridge 165:d1b4690b3f8b 68 /** @defgroup CRC_LL_EC_POLYLENGTH Polynomial length
AnnaBridge 165:d1b4690b3f8b 69 * @{
AnnaBridge 165:d1b4690b3f8b 70 */
AnnaBridge 165:d1b4690b3f8b 71 #define LL_CRC_POLYLENGTH_32B 0x00000000U /*!< 32 bits Polynomial size */
AnnaBridge 165:d1b4690b3f8b 72 #define LL_CRC_POLYLENGTH_16B CRC_CR_POLYSIZE_0 /*!< 16 bits Polynomial size */
AnnaBridge 165:d1b4690b3f8b 73 #define LL_CRC_POLYLENGTH_8B CRC_CR_POLYSIZE_1 /*!< 8 bits Polynomial size */
AnnaBridge 165:d1b4690b3f8b 74 #define LL_CRC_POLYLENGTH_7B (CRC_CR_POLYSIZE_1 | CRC_CR_POLYSIZE_0) /*!< 7 bits Polynomial size */
AnnaBridge 165:d1b4690b3f8b 75 /**
AnnaBridge 165:d1b4690b3f8b 76 * @}
AnnaBridge 165:d1b4690b3f8b 77 */
AnnaBridge 165:d1b4690b3f8b 78
AnnaBridge 165:d1b4690b3f8b 79 /** @defgroup CRC_LL_EC_INDATA_REVERSE Input Data Reverse
AnnaBridge 165:d1b4690b3f8b 80 * @{
AnnaBridge 165:d1b4690b3f8b 81 */
AnnaBridge 165:d1b4690b3f8b 82 #define LL_CRC_INDATA_REVERSE_NONE 0x00000000U /*!< Input Data bit order not affected */
AnnaBridge 165:d1b4690b3f8b 83 #define LL_CRC_INDATA_REVERSE_BYTE CRC_CR_REV_IN_0 /*!< Input Data bit reversal done by byte */
AnnaBridge 165:d1b4690b3f8b 84 #define LL_CRC_INDATA_REVERSE_HALFWORD CRC_CR_REV_IN_1 /*!< Input Data bit reversal done by half-word */
AnnaBridge 165:d1b4690b3f8b 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 165:d1b4690b3f8b 86 /**
AnnaBridge 165:d1b4690b3f8b 87 * @}
AnnaBridge 165:d1b4690b3f8b 88 */
AnnaBridge 165:d1b4690b3f8b 89
AnnaBridge 165:d1b4690b3f8b 90 /** @defgroup CRC_LL_EC_OUTDATA_REVERSE Output Data Reverse
AnnaBridge 165:d1b4690b3f8b 91 * @{
AnnaBridge 165:d1b4690b3f8b 92 */
AnnaBridge 165:d1b4690b3f8b 93 #define LL_CRC_OUTDATA_REVERSE_NONE 0x00000000U /*!< Output Data bit order not affected */
AnnaBridge 165:d1b4690b3f8b 94 #define LL_CRC_OUTDATA_REVERSE_BIT CRC_CR_REV_OUT /*!< Output Data bit reversal done by bit */
AnnaBridge 165:d1b4690b3f8b 95 /**
AnnaBridge 165:d1b4690b3f8b 96 * @}
AnnaBridge 165:d1b4690b3f8b 97 */
AnnaBridge 165:d1b4690b3f8b 98
AnnaBridge 165:d1b4690b3f8b 99 /** @defgroup CRC_LL_EC_Default_Polynomial_Value Default CRC generating polynomial value
AnnaBridge 165:d1b4690b3f8b 100 * @brief Normal representation of this polynomial value is
AnnaBridge 165:d1b4690b3f8b 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 165:d1b4690b3f8b 102 * @{
AnnaBridge 165:d1b4690b3f8b 103 */
AnnaBridge 165:d1b4690b3f8b 104 #define LL_CRC_DEFAULT_CRC32_POLY 0x04C11DB7U /*!< Default CRC generating polynomial value */
AnnaBridge 165:d1b4690b3f8b 105 /**
AnnaBridge 165:d1b4690b3f8b 106 * @}
AnnaBridge 165:d1b4690b3f8b 107 */
AnnaBridge 165:d1b4690b3f8b 108
AnnaBridge 165:d1b4690b3f8b 109 /** @defgroup CRC_LL_EC_Default_InitValue Default CRC computation initialization value
AnnaBridge 165:d1b4690b3f8b 110 * @{
AnnaBridge 165:d1b4690b3f8b 111 */
AnnaBridge 165:d1b4690b3f8b 112 #define LL_CRC_DEFAULT_CRC_INITVALUE 0xFFFFFFFFU /*!< Default CRC computation initialization value */
AnnaBridge 165:d1b4690b3f8b 113 /**
AnnaBridge 165:d1b4690b3f8b 114 * @}
AnnaBridge 165:d1b4690b3f8b 115 */
AnnaBridge 165:d1b4690b3f8b 116
AnnaBridge 165:d1b4690b3f8b 117 /**
AnnaBridge 165:d1b4690b3f8b 118 * @}
AnnaBridge 165:d1b4690b3f8b 119 */
AnnaBridge 165:d1b4690b3f8b 120
AnnaBridge 165:d1b4690b3f8b 121 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 165:d1b4690b3f8b 122 /** @defgroup CRC_LL_Exported_Macros CRC Exported Macros
AnnaBridge 165:d1b4690b3f8b 123 * @{
AnnaBridge 165:d1b4690b3f8b 124 */
AnnaBridge 165:d1b4690b3f8b 125
AnnaBridge 165:d1b4690b3f8b 126 /** @defgroup CRC_LL_EM_WRITE_READ Common Write and read registers Macros
AnnaBridge 165:d1b4690b3f8b 127 * @{
AnnaBridge 165:d1b4690b3f8b 128 */
AnnaBridge 165:d1b4690b3f8b 129
AnnaBridge 165:d1b4690b3f8b 130 /**
AnnaBridge 165:d1b4690b3f8b 131 * @brief Write a value in CRC register
AnnaBridge 165:d1b4690b3f8b 132 * @param __INSTANCE__ CRC Instance
AnnaBridge 165:d1b4690b3f8b 133 * @param __REG__ Register to be written
AnnaBridge 165:d1b4690b3f8b 134 * @param __VALUE__ Value to be written in the register
AnnaBridge 165:d1b4690b3f8b 135 * @retval None
AnnaBridge 165:d1b4690b3f8b 136 */
AnnaBridge 165:d1b4690b3f8b 137 #define LL_CRC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, __VALUE__)
AnnaBridge 165:d1b4690b3f8b 138
AnnaBridge 165:d1b4690b3f8b 139 /**
AnnaBridge 165:d1b4690b3f8b 140 * @brief Read a value in CRC register
AnnaBridge 165:d1b4690b3f8b 141 * @param __INSTANCE__ CRC Instance
AnnaBridge 165:d1b4690b3f8b 142 * @param __REG__ Register to be read
AnnaBridge 165:d1b4690b3f8b 143 * @retval Register value
AnnaBridge 165:d1b4690b3f8b 144 */
AnnaBridge 165:d1b4690b3f8b 145 #define LL_CRC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
AnnaBridge 165:d1b4690b3f8b 146 /**
AnnaBridge 165:d1b4690b3f8b 147 * @}
AnnaBridge 165:d1b4690b3f8b 148 */
AnnaBridge 165:d1b4690b3f8b 149
AnnaBridge 165:d1b4690b3f8b 150 /**
AnnaBridge 165:d1b4690b3f8b 151 * @}
AnnaBridge 165:d1b4690b3f8b 152 */
AnnaBridge 165:d1b4690b3f8b 153
AnnaBridge 165:d1b4690b3f8b 154
AnnaBridge 165:d1b4690b3f8b 155 /* Exported functions --------------------------------------------------------*/
AnnaBridge 165:d1b4690b3f8b 156 /** @defgroup CRC_LL_Exported_Functions CRC Exported Functions
AnnaBridge 165:d1b4690b3f8b 157 * @{
AnnaBridge 165:d1b4690b3f8b 158 */
AnnaBridge 165:d1b4690b3f8b 159
AnnaBridge 165:d1b4690b3f8b 160 /** @defgroup CRC_LL_EF_Configuration CRC Configuration functions
AnnaBridge 165:d1b4690b3f8b 161 * @{
AnnaBridge 165:d1b4690b3f8b 162 */
AnnaBridge 165:d1b4690b3f8b 163
AnnaBridge 165:d1b4690b3f8b 164 /**
AnnaBridge 165:d1b4690b3f8b 165 * @brief Reset the CRC calculation unit.
AnnaBridge 165:d1b4690b3f8b 166 * @note If Programmable Initial CRC value feature
AnnaBridge 165:d1b4690b3f8b 167 * is available, also set the Data Register to the value stored in the
AnnaBridge 165:d1b4690b3f8b 168 * CRC_INIT register, otherwise, reset Data Register to its default value.
AnnaBridge 165:d1b4690b3f8b 169 * @rmtoll CR RESET LL_CRC_ResetCRCCalculationUnit
AnnaBridge 165:d1b4690b3f8b 170 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 171 * @retval None
AnnaBridge 165:d1b4690b3f8b 172 */
AnnaBridge 165:d1b4690b3f8b 173 __STATIC_INLINE void LL_CRC_ResetCRCCalculationUnit(CRC_TypeDef *CRCx)
AnnaBridge 165:d1b4690b3f8b 174 {
AnnaBridge 165:d1b4690b3f8b 175 SET_BIT(CRCx->CR, CRC_CR_RESET);
AnnaBridge 165:d1b4690b3f8b 176 }
AnnaBridge 165:d1b4690b3f8b 177
AnnaBridge 165:d1b4690b3f8b 178 /**
AnnaBridge 165:d1b4690b3f8b 179 * @brief Configure size of the polynomial.
AnnaBridge 165:d1b4690b3f8b 180 * @rmtoll CR POLYSIZE LL_CRC_SetPolynomialSize
AnnaBridge 165:d1b4690b3f8b 181 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 182 * @param PolySize This parameter can be one of the following values:
AnnaBridge 165:d1b4690b3f8b 183 * @arg @ref LL_CRC_POLYLENGTH_32B
AnnaBridge 165:d1b4690b3f8b 184 * @arg @ref LL_CRC_POLYLENGTH_16B
AnnaBridge 165:d1b4690b3f8b 185 * @arg @ref LL_CRC_POLYLENGTH_8B
AnnaBridge 165:d1b4690b3f8b 186 * @arg @ref LL_CRC_POLYLENGTH_7B
AnnaBridge 165:d1b4690b3f8b 187 * @retval None
AnnaBridge 165:d1b4690b3f8b 188 */
AnnaBridge 165:d1b4690b3f8b 189 __STATIC_INLINE void LL_CRC_SetPolynomialSize(CRC_TypeDef *CRCx, uint32_t PolySize)
AnnaBridge 165:d1b4690b3f8b 190 {
AnnaBridge 165:d1b4690b3f8b 191 MODIFY_REG(CRCx->CR, CRC_CR_POLYSIZE, PolySize);
AnnaBridge 165:d1b4690b3f8b 192 }
AnnaBridge 165:d1b4690b3f8b 193
AnnaBridge 165:d1b4690b3f8b 194 /**
AnnaBridge 165:d1b4690b3f8b 195 * @brief Return size of the polynomial.
AnnaBridge 165:d1b4690b3f8b 196 * @rmtoll CR POLYSIZE LL_CRC_GetPolynomialSize
AnnaBridge 165:d1b4690b3f8b 197 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 198 * @retval Returned value can be one of the following values:
AnnaBridge 165:d1b4690b3f8b 199 * @arg @ref LL_CRC_POLYLENGTH_32B
AnnaBridge 165:d1b4690b3f8b 200 * @arg @ref LL_CRC_POLYLENGTH_16B
AnnaBridge 165:d1b4690b3f8b 201 * @arg @ref LL_CRC_POLYLENGTH_8B
AnnaBridge 165:d1b4690b3f8b 202 * @arg @ref LL_CRC_POLYLENGTH_7B
AnnaBridge 165:d1b4690b3f8b 203 */
AnnaBridge 165:d1b4690b3f8b 204 __STATIC_INLINE uint32_t LL_CRC_GetPolynomialSize(CRC_TypeDef *CRCx)
AnnaBridge 165:d1b4690b3f8b 205 {
AnnaBridge 165:d1b4690b3f8b 206 return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_POLYSIZE));
AnnaBridge 165:d1b4690b3f8b 207 }
AnnaBridge 165:d1b4690b3f8b 208
AnnaBridge 165:d1b4690b3f8b 209 /**
AnnaBridge 165:d1b4690b3f8b 210 * @brief Configure the reversal of the bit order of the input data
AnnaBridge 165:d1b4690b3f8b 211 * @rmtoll CR REV_IN LL_CRC_SetInputDataReverseMode
AnnaBridge 165:d1b4690b3f8b 212 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 213 * @param ReverseMode This parameter can be one of the following values:
AnnaBridge 165:d1b4690b3f8b 214 * @arg @ref LL_CRC_INDATA_REVERSE_NONE
AnnaBridge 165:d1b4690b3f8b 215 * @arg @ref LL_CRC_INDATA_REVERSE_BYTE
AnnaBridge 165:d1b4690b3f8b 216 * @arg @ref LL_CRC_INDATA_REVERSE_HALFWORD
AnnaBridge 165:d1b4690b3f8b 217 * @arg @ref LL_CRC_INDATA_REVERSE_WORD
AnnaBridge 165:d1b4690b3f8b 218 * @retval None
AnnaBridge 165:d1b4690b3f8b 219 */
AnnaBridge 165:d1b4690b3f8b 220 __STATIC_INLINE void LL_CRC_SetInputDataReverseMode(CRC_TypeDef *CRCx, uint32_t ReverseMode)
AnnaBridge 165:d1b4690b3f8b 221 {
AnnaBridge 165:d1b4690b3f8b 222 MODIFY_REG(CRCx->CR, CRC_CR_REV_IN, ReverseMode);
AnnaBridge 165:d1b4690b3f8b 223 }
AnnaBridge 165:d1b4690b3f8b 224
AnnaBridge 165:d1b4690b3f8b 225 /**
AnnaBridge 165:d1b4690b3f8b 226 * @brief Return type of reversal for input data bit order
AnnaBridge 165:d1b4690b3f8b 227 * @rmtoll CR REV_IN LL_CRC_GetInputDataReverseMode
AnnaBridge 165:d1b4690b3f8b 228 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 229 * @retval Returned value can be one of the following values:
AnnaBridge 165:d1b4690b3f8b 230 * @arg @ref LL_CRC_INDATA_REVERSE_NONE
AnnaBridge 165:d1b4690b3f8b 231 * @arg @ref LL_CRC_INDATA_REVERSE_BYTE
AnnaBridge 165:d1b4690b3f8b 232 * @arg @ref LL_CRC_INDATA_REVERSE_HALFWORD
AnnaBridge 165:d1b4690b3f8b 233 * @arg @ref LL_CRC_INDATA_REVERSE_WORD
AnnaBridge 165:d1b4690b3f8b 234 */
AnnaBridge 165:d1b4690b3f8b 235 __STATIC_INLINE uint32_t LL_CRC_GetInputDataReverseMode(CRC_TypeDef *CRCx)
AnnaBridge 165:d1b4690b3f8b 236 {
AnnaBridge 165:d1b4690b3f8b 237 return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_REV_IN));
AnnaBridge 165:d1b4690b3f8b 238 }
AnnaBridge 165:d1b4690b3f8b 239
AnnaBridge 165:d1b4690b3f8b 240 /**
AnnaBridge 165:d1b4690b3f8b 241 * @brief Configure the reversal of the bit order of the Output data
AnnaBridge 165:d1b4690b3f8b 242 * @rmtoll CR REV_OUT LL_CRC_SetOutputDataReverseMode
AnnaBridge 165:d1b4690b3f8b 243 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 244 * @param ReverseMode This parameter can be one of the following values:
AnnaBridge 165:d1b4690b3f8b 245 * @arg @ref LL_CRC_OUTDATA_REVERSE_NONE
AnnaBridge 165:d1b4690b3f8b 246 * @arg @ref LL_CRC_OUTDATA_REVERSE_BIT
AnnaBridge 165:d1b4690b3f8b 247 * @retval None
AnnaBridge 165:d1b4690b3f8b 248 */
AnnaBridge 165:d1b4690b3f8b 249 __STATIC_INLINE void LL_CRC_SetOutputDataReverseMode(CRC_TypeDef *CRCx, uint32_t ReverseMode)
AnnaBridge 165:d1b4690b3f8b 250 {
AnnaBridge 165:d1b4690b3f8b 251 MODIFY_REG(CRCx->CR, CRC_CR_REV_OUT, ReverseMode);
AnnaBridge 165:d1b4690b3f8b 252 }
AnnaBridge 165:d1b4690b3f8b 253
AnnaBridge 165:d1b4690b3f8b 254 /**
AnnaBridge 165:d1b4690b3f8b 255 * @brief Configure the reversal of the bit order of the Output data
AnnaBridge 165:d1b4690b3f8b 256 * @rmtoll CR REV_OUT LL_CRC_GetOutputDataReverseMode
AnnaBridge 165:d1b4690b3f8b 257 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 258 * @retval Returned value can be one of the following values:
AnnaBridge 165:d1b4690b3f8b 259 * @arg @ref LL_CRC_OUTDATA_REVERSE_NONE
AnnaBridge 165:d1b4690b3f8b 260 * @arg @ref LL_CRC_OUTDATA_REVERSE_BIT
AnnaBridge 165:d1b4690b3f8b 261 */
AnnaBridge 165:d1b4690b3f8b 262 __STATIC_INLINE uint32_t LL_CRC_GetOutputDataReverseMode(CRC_TypeDef *CRCx)
AnnaBridge 165:d1b4690b3f8b 263 {
AnnaBridge 165:d1b4690b3f8b 264 return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_REV_OUT));
AnnaBridge 165:d1b4690b3f8b 265 }
AnnaBridge 165:d1b4690b3f8b 266
AnnaBridge 165:d1b4690b3f8b 267 /**
AnnaBridge 165:d1b4690b3f8b 268 * @brief Initialize the Programmable initial CRC value.
AnnaBridge 165:d1b4690b3f8b 269 * @note If the CRC size is less than 32 bits, the least significant bits
AnnaBridge 165:d1b4690b3f8b 270 * are used to write the correct value
AnnaBridge 165:d1b4690b3f8b 271 * @note LL_CRC_DEFAULT_CRC_INITVALUE could be used as value for InitCrc parameter.
AnnaBridge 165:d1b4690b3f8b 272 * @rmtoll INIT INIT LL_CRC_SetInitialData
AnnaBridge 165:d1b4690b3f8b 273 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 274 * @param InitCrc Value to be programmed in Programmable initial CRC value register
AnnaBridge 165:d1b4690b3f8b 275 * @retval None
AnnaBridge 165:d1b4690b3f8b 276 */
AnnaBridge 165:d1b4690b3f8b 277 __STATIC_INLINE void LL_CRC_SetInitialData(CRC_TypeDef *CRCx, uint32_t InitCrc)
AnnaBridge 165:d1b4690b3f8b 278 {
AnnaBridge 165:d1b4690b3f8b 279 WRITE_REG(CRCx->INIT, InitCrc);
AnnaBridge 165:d1b4690b3f8b 280 }
AnnaBridge 165:d1b4690b3f8b 281
AnnaBridge 165:d1b4690b3f8b 282 /**
AnnaBridge 165:d1b4690b3f8b 283 * @brief Return current Initial CRC value.
AnnaBridge 165:d1b4690b3f8b 284 * @note If the CRC size is less than 32 bits, the least significant bits
AnnaBridge 165:d1b4690b3f8b 285 * are used to read the correct value
AnnaBridge 165:d1b4690b3f8b 286 * @rmtoll INIT INIT LL_CRC_GetInitialData
AnnaBridge 165:d1b4690b3f8b 287 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 288 * @retval Value programmed in Programmable initial CRC value register
AnnaBridge 165:d1b4690b3f8b 289 */
AnnaBridge 165:d1b4690b3f8b 290 __STATIC_INLINE uint32_t LL_CRC_GetInitialData(CRC_TypeDef *CRCx)
AnnaBridge 165:d1b4690b3f8b 291 {
AnnaBridge 165:d1b4690b3f8b 292 return (uint32_t)(READ_REG(CRCx->INIT));
AnnaBridge 165:d1b4690b3f8b 293 }
AnnaBridge 165:d1b4690b3f8b 294
AnnaBridge 165:d1b4690b3f8b 295 /**
AnnaBridge 165:d1b4690b3f8b 296 * @brief Initialize the Programmable polynomial value
AnnaBridge 165:d1b4690b3f8b 297 * (coefficients of the polynomial to be used for CRC calculation).
AnnaBridge 165:d1b4690b3f8b 298 * @note LL_CRC_DEFAULT_CRC32_POLY could be used as value for PolynomCoef parameter.
AnnaBridge 165:d1b4690b3f8b 299 * @note Please check Reference Manual and existing Errata Sheets,
AnnaBridge 165:d1b4690b3f8b 300 * regarding possible limitations for Polynomial values usage.
AnnaBridge 165:d1b4690b3f8b 301 * For example, for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65
AnnaBridge 165:d1b4690b3f8b 302 * @rmtoll POL POL LL_CRC_SetPolynomialCoef
AnnaBridge 165:d1b4690b3f8b 303 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 304 * @param PolynomCoef Value to be programmed in Programmable Polynomial value register
AnnaBridge 165:d1b4690b3f8b 305 * @retval None
AnnaBridge 165:d1b4690b3f8b 306 */
AnnaBridge 165:d1b4690b3f8b 307 __STATIC_INLINE void LL_CRC_SetPolynomialCoef(CRC_TypeDef *CRCx, uint32_t PolynomCoef)
AnnaBridge 165:d1b4690b3f8b 308 {
AnnaBridge 165:d1b4690b3f8b 309 WRITE_REG(CRCx->POL, PolynomCoef);
AnnaBridge 165:d1b4690b3f8b 310 }
AnnaBridge 165:d1b4690b3f8b 311
AnnaBridge 165:d1b4690b3f8b 312 /**
AnnaBridge 165:d1b4690b3f8b 313 * @brief Return current Programmable polynomial value
AnnaBridge 165:d1b4690b3f8b 314 * @note Please check Reference Manual and existing Errata Sheets,
AnnaBridge 165:d1b4690b3f8b 315 * regarding possible limitations for Polynomial values usage.
AnnaBridge 165:d1b4690b3f8b 316 * For example, for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65
AnnaBridge 165:d1b4690b3f8b 317 * @rmtoll POL POL LL_CRC_GetPolynomialCoef
AnnaBridge 165:d1b4690b3f8b 318 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 319 * @retval Value programmed in Programmable Polynomial value register
AnnaBridge 165:d1b4690b3f8b 320 */
AnnaBridge 165:d1b4690b3f8b 321 __STATIC_INLINE uint32_t LL_CRC_GetPolynomialCoef(CRC_TypeDef *CRCx)
AnnaBridge 165:d1b4690b3f8b 322 {
AnnaBridge 165:d1b4690b3f8b 323 return (uint32_t)(READ_REG(CRCx->POL));
AnnaBridge 165:d1b4690b3f8b 324 }
AnnaBridge 165:d1b4690b3f8b 325
AnnaBridge 165:d1b4690b3f8b 326 /**
AnnaBridge 165:d1b4690b3f8b 327 * @}
AnnaBridge 165:d1b4690b3f8b 328 */
AnnaBridge 165:d1b4690b3f8b 329
AnnaBridge 165:d1b4690b3f8b 330 /** @defgroup CRC_LL_EF_Data_Management Data_Management
AnnaBridge 165:d1b4690b3f8b 331 * @{
AnnaBridge 165:d1b4690b3f8b 332 */
AnnaBridge 165:d1b4690b3f8b 333
AnnaBridge 165:d1b4690b3f8b 334 /**
AnnaBridge 165:d1b4690b3f8b 335 * @brief Write given 32-bit data to the CRC calculator
AnnaBridge 165:d1b4690b3f8b 336 * @rmtoll DR DR LL_CRC_FeedData32
AnnaBridge 165:d1b4690b3f8b 337 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 338 * @param InData value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFFFFFF
AnnaBridge 165:d1b4690b3f8b 339 * @retval None
AnnaBridge 165:d1b4690b3f8b 340 */
AnnaBridge 165:d1b4690b3f8b 341 __STATIC_INLINE void LL_CRC_FeedData32(CRC_TypeDef *CRCx, uint32_t InData)
AnnaBridge 165:d1b4690b3f8b 342 {
AnnaBridge 165:d1b4690b3f8b 343 WRITE_REG(CRCx->DR, InData);
AnnaBridge 165:d1b4690b3f8b 344 }
AnnaBridge 165:d1b4690b3f8b 345
AnnaBridge 165:d1b4690b3f8b 346 /**
AnnaBridge 165:d1b4690b3f8b 347 * @brief Write given 16-bit data to the CRC calculator
AnnaBridge 165:d1b4690b3f8b 348 * @rmtoll DR DR LL_CRC_FeedData16
AnnaBridge 165:d1b4690b3f8b 349 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 350 * @param InData 16 bit value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFF
AnnaBridge 165:d1b4690b3f8b 351 * @retval None
AnnaBridge 165:d1b4690b3f8b 352 */
AnnaBridge 165:d1b4690b3f8b 353 __STATIC_INLINE void LL_CRC_FeedData16(CRC_TypeDef *CRCx, uint16_t InData)
AnnaBridge 165:d1b4690b3f8b 354 {
AnnaBridge 165:d1b4690b3f8b 355 __IO uint16_t *pReg;
AnnaBridge 165:d1b4690b3f8b 356
AnnaBridge 165:d1b4690b3f8b 357 pReg = (__IO uint16_t *)(__IO void *)(&CRCx->DR);
AnnaBridge 165:d1b4690b3f8b 358 *pReg = InData;
AnnaBridge 165:d1b4690b3f8b 359 }
AnnaBridge 165:d1b4690b3f8b 360
AnnaBridge 165:d1b4690b3f8b 361 /**
AnnaBridge 165:d1b4690b3f8b 362 * @brief Write given 8-bit data to the CRC calculator
AnnaBridge 165:d1b4690b3f8b 363 * @rmtoll DR DR LL_CRC_FeedData8
AnnaBridge 165:d1b4690b3f8b 364 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 365 * @param InData 8 bit value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFF
AnnaBridge 165:d1b4690b3f8b 366 * @retval None
AnnaBridge 165:d1b4690b3f8b 367 */
AnnaBridge 165:d1b4690b3f8b 368 __STATIC_INLINE void LL_CRC_FeedData8(CRC_TypeDef *CRCx, uint8_t InData)
AnnaBridge 165:d1b4690b3f8b 369 {
AnnaBridge 165:d1b4690b3f8b 370 *(uint8_t __IO *)(&CRCx->DR) = (uint8_t) InData;
AnnaBridge 165:d1b4690b3f8b 371 }
AnnaBridge 165:d1b4690b3f8b 372
AnnaBridge 165:d1b4690b3f8b 373 /**
AnnaBridge 165:d1b4690b3f8b 374 * @brief Return current CRC calculation result. 32 bits value is returned.
AnnaBridge 165:d1b4690b3f8b 375 * @rmtoll DR DR LL_CRC_ReadData32
AnnaBridge 165:d1b4690b3f8b 376 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 377 * @retval Current CRC calculation result as stored in CRC_DR register (32 bits).
AnnaBridge 165:d1b4690b3f8b 378 */
AnnaBridge 165:d1b4690b3f8b 379 __STATIC_INLINE uint32_t LL_CRC_ReadData32(CRC_TypeDef *CRCx)
AnnaBridge 165:d1b4690b3f8b 380 {
AnnaBridge 165:d1b4690b3f8b 381 return (uint32_t)(READ_REG(CRCx->DR));
AnnaBridge 165:d1b4690b3f8b 382 }
AnnaBridge 165:d1b4690b3f8b 383
AnnaBridge 165:d1b4690b3f8b 384 /**
AnnaBridge 165:d1b4690b3f8b 385 * @brief Return current CRC calculation result. 16 bits value is returned.
AnnaBridge 165:d1b4690b3f8b 386 * @note This function is expected to be used in a 16 bits CRC polynomial size context.
AnnaBridge 165:d1b4690b3f8b 387 * @rmtoll DR DR LL_CRC_ReadData16
AnnaBridge 165:d1b4690b3f8b 388 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 389 * @retval Current CRC calculation result as stored in CRC_DR register (16 bits).
AnnaBridge 165:d1b4690b3f8b 390 */
AnnaBridge 165:d1b4690b3f8b 391 __STATIC_INLINE uint16_t LL_CRC_ReadData16(CRC_TypeDef *CRCx)
AnnaBridge 165:d1b4690b3f8b 392 {
AnnaBridge 165:d1b4690b3f8b 393 return (uint16_t)READ_REG(CRCx->DR);
AnnaBridge 165:d1b4690b3f8b 394 }
AnnaBridge 165:d1b4690b3f8b 395
AnnaBridge 165:d1b4690b3f8b 396 /**
AnnaBridge 165:d1b4690b3f8b 397 * @brief Return current CRC calculation result. 8 bits value is returned.
AnnaBridge 165:d1b4690b3f8b 398 * @note This function is expected to be used in a 8 bits CRC polynomial size context.
AnnaBridge 165:d1b4690b3f8b 399 * @rmtoll DR DR LL_CRC_ReadData8
AnnaBridge 165:d1b4690b3f8b 400 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 401 * @retval Current CRC calculation result as stored in CRC_DR register (8 bits).
AnnaBridge 165:d1b4690b3f8b 402 */
AnnaBridge 165:d1b4690b3f8b 403 __STATIC_INLINE uint8_t LL_CRC_ReadData8(CRC_TypeDef *CRCx)
AnnaBridge 165:d1b4690b3f8b 404 {
AnnaBridge 165:d1b4690b3f8b 405 return (uint8_t)READ_REG(CRCx->DR);
AnnaBridge 165:d1b4690b3f8b 406 }
AnnaBridge 165:d1b4690b3f8b 407
AnnaBridge 165:d1b4690b3f8b 408 /**
AnnaBridge 165:d1b4690b3f8b 409 * @brief Return current CRC calculation result. 7 bits value is returned.
AnnaBridge 165:d1b4690b3f8b 410 * @note This function is expected to be used in a 7 bits CRC polynomial size context.
AnnaBridge 165:d1b4690b3f8b 411 * @rmtoll DR DR LL_CRC_ReadData7
AnnaBridge 165:d1b4690b3f8b 412 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 413 * @retval Current CRC calculation result as stored in CRC_DR register (7 bits).
AnnaBridge 165:d1b4690b3f8b 414 */
AnnaBridge 165:d1b4690b3f8b 415 __STATIC_INLINE uint8_t LL_CRC_ReadData7(CRC_TypeDef *CRCx)
AnnaBridge 165:d1b4690b3f8b 416 {
AnnaBridge 165:d1b4690b3f8b 417 return (uint8_t)(READ_REG(CRCx->DR) & 0x7FU);
AnnaBridge 165:d1b4690b3f8b 418 }
AnnaBridge 165:d1b4690b3f8b 419
AnnaBridge 165:d1b4690b3f8b 420 /**
AnnaBridge 165:d1b4690b3f8b 421 * @brief Return data stored in the Independent Data(IDR) register.
AnnaBridge 165:d1b4690b3f8b 422 * @note This register can be used as a temporary storage location.
AnnaBridge 165:d1b4690b3f8b 423 * @note Refer to the Reference Manual to get the authorized data length in bits.
AnnaBridge 165:d1b4690b3f8b 424 * @rmtoll IDR IDR LL_CRC_Read_IDR
AnnaBridge 165:d1b4690b3f8b 425 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 426 * @retval Value stored in CRC_IDR register
AnnaBridge 165:d1b4690b3f8b 427 */
AnnaBridge 165:d1b4690b3f8b 428 __STATIC_INLINE uint32_t LL_CRC_Read_IDR(CRC_TypeDef *CRCx)
AnnaBridge 165:d1b4690b3f8b 429 {
AnnaBridge 165:d1b4690b3f8b 430 return (uint32_t)(READ_REG(CRCx->IDR));
AnnaBridge 165:d1b4690b3f8b 431 }
AnnaBridge 165:d1b4690b3f8b 432
AnnaBridge 165:d1b4690b3f8b 433 /**
AnnaBridge 165:d1b4690b3f8b 434 * @brief Store data in the Independent Data(IDR) register.
AnnaBridge 165:d1b4690b3f8b 435 * @note This register can be used as a temporary storage location.
AnnaBridge 165:d1b4690b3f8b 436 * @note Refer to the Reference Manual to get the authorized data length in bits.
AnnaBridge 165:d1b4690b3f8b 437 * @rmtoll IDR IDR LL_CRC_Write_IDR
AnnaBridge 165:d1b4690b3f8b 438 * @param CRCx CRC Instance
AnnaBridge 165:d1b4690b3f8b 439 * @param InData value to be stored in CRC_IDR register
AnnaBridge 165:d1b4690b3f8b 440 * @retval None
AnnaBridge 165:d1b4690b3f8b 441 */
AnnaBridge 165:d1b4690b3f8b 442 __STATIC_INLINE void LL_CRC_Write_IDR(CRC_TypeDef *CRCx, uint32_t InData)
AnnaBridge 165:d1b4690b3f8b 443 {
AnnaBridge 165:d1b4690b3f8b 444 #if (CRC_IDR_IDR == 0x0FFU)
AnnaBridge 165:d1b4690b3f8b 445 *((uint8_t __IO *)(&CRCx->IDR)) = (uint8_t) InData;
AnnaBridge 165:d1b4690b3f8b 446 #else
AnnaBridge 165:d1b4690b3f8b 447 WRITE_REG(CRCx->IDR, InData);
AnnaBridge 165:d1b4690b3f8b 448 #endif
AnnaBridge 165:d1b4690b3f8b 449 }
AnnaBridge 165:d1b4690b3f8b 450 /**
AnnaBridge 165:d1b4690b3f8b 451 * @}
AnnaBridge 165:d1b4690b3f8b 452 */
AnnaBridge 165:d1b4690b3f8b 453
AnnaBridge 165:d1b4690b3f8b 454 #if defined(USE_FULL_LL_DRIVER)
AnnaBridge 165:d1b4690b3f8b 455 /** @defgroup CRC_LL_EF_Init Initialization and de-initialization functions
AnnaBridge 165:d1b4690b3f8b 456 * @{
AnnaBridge 165:d1b4690b3f8b 457 */
AnnaBridge 165:d1b4690b3f8b 458
AnnaBridge 165:d1b4690b3f8b 459 ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx);
AnnaBridge 165:d1b4690b3f8b 460
AnnaBridge 165:d1b4690b3f8b 461 /**
AnnaBridge 165:d1b4690b3f8b 462 * @}
AnnaBridge 165:d1b4690b3f8b 463 */
AnnaBridge 165:d1b4690b3f8b 464 #endif /* USE_FULL_LL_DRIVER */
AnnaBridge 165:d1b4690b3f8b 465
AnnaBridge 165:d1b4690b3f8b 466 /**
AnnaBridge 165:d1b4690b3f8b 467 * @}
AnnaBridge 165:d1b4690b3f8b 468 */
AnnaBridge 165:d1b4690b3f8b 469
AnnaBridge 165:d1b4690b3f8b 470 /**
AnnaBridge 165:d1b4690b3f8b 471 * @}
AnnaBridge 165:d1b4690b3f8b 472 */
AnnaBridge 165:d1b4690b3f8b 473
AnnaBridge 165:d1b4690b3f8b 474 #endif /* defined(CRC) */
AnnaBridge 165:d1b4690b3f8b 475
AnnaBridge 165:d1b4690b3f8b 476 /**
AnnaBridge 165:d1b4690b3f8b 477 * @}
AnnaBridge 165:d1b4690b3f8b 478 */
AnnaBridge 165:d1b4690b3f8b 479
AnnaBridge 165:d1b4690b3f8b 480 #ifdef __cplusplus
AnnaBridge 165:d1b4690b3f8b 481 }
AnnaBridge 165:d1b4690b3f8b 482 #endif
AnnaBridge 165:d1b4690b3f8b 483
AnnaBridge 165:d1b4690b3f8b 484 #endif /* __STM32L4xx_LL_CRC_H */
AnnaBridge 165:d1b4690b3f8b 485
AnnaBridge 165:d1b4690b3f8b 486 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/