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TARGET_NUCLEO_F334R8/TARGET_STM/TARGET_STM32F3/device/stm32f3xx_ll_crc.h@143:86740a56073b, 2017-05-26 (annotated)
- Committer:
- AnnaBridge
- Date:
- Fri May 26 12:30:20 2017 +0100
- Revision:
- 143:86740a56073b
- Parent:
- 135:176b8275d35d
- Child:
- 168:b9e159c1930a
Release 143 of the mbed library.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 135:176b8275d35d | 1 | /** |
<> | 135:176b8275d35d | 2 | ****************************************************************************** |
<> | 135:176b8275d35d | 3 | * @file stm32f3xx_ll_crc.h |
<> | 135:176b8275d35d | 4 | * @author MCD Application Team |
<> | 135:176b8275d35d | 5 | * @version V1.4.0 |
<> | 135:176b8275d35d | 6 | * @date 16-December-2016 |
<> | 135:176b8275d35d | 7 | * @brief Header file of CRC LL module. |
<> | 135:176b8275d35d | 8 | ****************************************************************************** |
<> | 135:176b8275d35d | 9 | * @attention |
<> | 135:176b8275d35d | 10 | * |
<> | 135:176b8275d35d | 11 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
<> | 135:176b8275d35d | 12 | * |
<> | 135:176b8275d35d | 13 | * Redistribution and use in source and binary forms, with or without modification, |
<> | 135:176b8275d35d | 14 | * are permitted provided that the following conditions are met: |
<> | 135:176b8275d35d | 15 | * 1. Redistributions of source code must retain the above copyright notice, |
<> | 135:176b8275d35d | 16 | * this list of conditions and the following disclaimer. |
<> | 135:176b8275d35d | 17 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
<> | 135:176b8275d35d | 18 | * this list of conditions and the following disclaimer in the documentation |
<> | 135:176b8275d35d | 19 | * and/or other materials provided with the distribution. |
<> | 135:176b8275d35d | 20 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
<> | 135:176b8275d35d | 21 | * may be used to endorse or promote products derived from this software |
<> | 135:176b8275d35d | 22 | * without specific prior written permission. |
<> | 135:176b8275d35d | 23 | * |
<> | 135:176b8275d35d | 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
<> | 135:176b8275d35d | 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
<> | 135:176b8275d35d | 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
<> | 135:176b8275d35d | 27 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
<> | 135:176b8275d35d | 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
<> | 135:176b8275d35d | 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
<> | 135:176b8275d35d | 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
<> | 135:176b8275d35d | 31 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
<> | 135:176b8275d35d | 32 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
<> | 135:176b8275d35d | 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
<> | 135:176b8275d35d | 34 | * |
<> | 135:176b8275d35d | 35 | ****************************************************************************** |
<> | 135:176b8275d35d | 36 | */ |
<> | 135:176b8275d35d | 37 | |
<> | 135:176b8275d35d | 38 | /* Define to prevent recursive inclusion -------------------------------------*/ |
<> | 135:176b8275d35d | 39 | #ifndef __STM32F3xx_LL_CRC_H |
<> | 135:176b8275d35d | 40 | #define __STM32F3xx_LL_CRC_H |
<> | 135:176b8275d35d | 41 | |
<> | 135:176b8275d35d | 42 | #ifdef __cplusplus |
<> | 135:176b8275d35d | 43 | extern "C" { |
<> | 135:176b8275d35d | 44 | #endif |
<> | 135:176b8275d35d | 45 | |
<> | 135:176b8275d35d | 46 | /* Includes ------------------------------------------------------------------*/ |
<> | 135:176b8275d35d | 47 | #include "stm32f3xx.h" |
<> | 135:176b8275d35d | 48 | |
<> | 135:176b8275d35d | 49 | /** @addtogroup STM32F3xx_LL_Driver |
<> | 135:176b8275d35d | 50 | * @{ |
<> | 135:176b8275d35d | 51 | */ |
<> | 135:176b8275d35d | 52 | |
<> | 135:176b8275d35d | 53 | #if defined(CRC) |
<> | 135:176b8275d35d | 54 | |
<> | 135:176b8275d35d | 55 | /** @defgroup CRC_LL CRC |
<> | 135:176b8275d35d | 56 | * @{ |
<> | 135:176b8275d35d | 57 | */ |
<> | 135:176b8275d35d | 58 | |
<> | 135:176b8275d35d | 59 | /* Private types -------------------------------------------------------------*/ |
<> | 135:176b8275d35d | 60 | /* Private variables ---------------------------------------------------------*/ |
<> | 135:176b8275d35d | 61 | /* Private constants ---------------------------------------------------------*/ |
<> | 135:176b8275d35d | 62 | /* Private macros ------------------------------------------------------------*/ |
<> | 135:176b8275d35d | 63 | |
<> | 135:176b8275d35d | 64 | /* Exported types ------------------------------------------------------------*/ |
<> | 135:176b8275d35d | 65 | /* Exported constants --------------------------------------------------------*/ |
<> | 135:176b8275d35d | 66 | /** @defgroup CRC_LL_Exported_Constants CRC Exported Constants |
<> | 135:176b8275d35d | 67 | * @{ |
<> | 135:176b8275d35d | 68 | */ |
<> | 135:176b8275d35d | 69 | |
<> | 135:176b8275d35d | 70 | /** @defgroup CRC_LL_EC_POLYLENGTH Polynomial length |
<> | 135:176b8275d35d | 71 | * @{ |
<> | 135:176b8275d35d | 72 | */ |
<> | 135:176b8275d35d | 73 | #define LL_CRC_POLYLENGTH_32B (uint32_t)0x00000000U /*!< 32 bits Polynomial size */ |
<> | 135:176b8275d35d | 74 | #define LL_CRC_POLYLENGTH_16B CRC_CR_POLYSIZE_0 /*!< 16 bits Polynomial size */ |
<> | 135:176b8275d35d | 75 | #define LL_CRC_POLYLENGTH_8B CRC_CR_POLYSIZE_1 /*!< 8 bits Polynomial size */ |
<> | 135:176b8275d35d | 76 | #define LL_CRC_POLYLENGTH_7B (CRC_CR_POLYSIZE_1 | CRC_CR_POLYSIZE_0) /*!< 7 bits Polynomial size */ |
<> | 135:176b8275d35d | 77 | /** |
<> | 135:176b8275d35d | 78 | * @} |
<> | 135:176b8275d35d | 79 | */ |
<> | 135:176b8275d35d | 80 | |
<> | 135:176b8275d35d | 81 | /** @defgroup CRC_LL_EC_INDATA_REVERSE Input Data Reverse |
<> | 135:176b8275d35d | 82 | * @{ |
<> | 135:176b8275d35d | 83 | */ |
<> | 135:176b8275d35d | 84 | #define LL_CRC_INDATA_REVERSE_NONE (uint32_t)0x00000000U /*!< Input Data bit order not affected */ |
<> | 135:176b8275d35d | 85 | #define LL_CRC_INDATA_REVERSE_BYTE CRC_CR_REV_IN_0 /*!< Input Data bit reversal done by byte */ |
<> | 135:176b8275d35d | 86 | #define LL_CRC_INDATA_REVERSE_HALFWORD CRC_CR_REV_IN_1 /*!< Input Data bit reversal done by half-word */ |
<> | 135:176b8275d35d | 87 | #define LL_CRC_INDATA_REVERSE_WORD (CRC_CR_REV_IN_1 | CRC_CR_REV_IN_0) /*!< Input Data bit reversal done by word */ |
<> | 135:176b8275d35d | 88 | /** |
<> | 135:176b8275d35d | 89 | * @} |
<> | 135:176b8275d35d | 90 | */ |
<> | 135:176b8275d35d | 91 | |
<> | 135:176b8275d35d | 92 | /** @defgroup CRC_LL_EC_OUTDATA_REVERSE Output Data Reverse |
<> | 135:176b8275d35d | 93 | * @{ |
<> | 135:176b8275d35d | 94 | */ |
<> | 135:176b8275d35d | 95 | #define LL_CRC_OUTDATA_REVERSE_NONE (uint32_t)0x00000000U /*!< Output Data bit order not affected */ |
<> | 135:176b8275d35d | 96 | #define LL_CRC_OUTDATA_REVERSE_BIT CRC_CR_REV_OUT /*!< Output Data bit reversal done by bit */ |
<> | 135:176b8275d35d | 97 | /** |
<> | 135:176b8275d35d | 98 | * @} |
<> | 135:176b8275d35d | 99 | */ |
<> | 135:176b8275d35d | 100 | |
<> | 135:176b8275d35d | 101 | /** @defgroup CRC_LL_EC_Default_Polynomial_Value Default CRC generating polynomial value |
<> | 135:176b8275d35d | 102 | * @brief Normal representation of this polynomial value is |
<> | 135:176b8275d35d | 103 | * 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 . |
<> | 135:176b8275d35d | 104 | * @{ |
<> | 135:176b8275d35d | 105 | */ |
<> | 135:176b8275d35d | 106 | #define LL_CRC_DEFAULT_CRC32_POLY (uint32_t)0x04C11DB7U /*!< Default CRC generating polynomial value */ |
<> | 135:176b8275d35d | 107 | /** |
<> | 135:176b8275d35d | 108 | * @} |
<> | 135:176b8275d35d | 109 | */ |
<> | 135:176b8275d35d | 110 | |
<> | 135:176b8275d35d | 111 | /** @defgroup CRC_LL_EC_Default_InitValue Default CRC computation initialization value |
<> | 135:176b8275d35d | 112 | * @{ |
<> | 135:176b8275d35d | 113 | */ |
<> | 135:176b8275d35d | 114 | #define LL_CRC_DEFAULT_CRC_INITVALUE (uint32_t)0xFFFFFFFFU /*!< Default CRC computation initialization value */ |
<> | 135:176b8275d35d | 115 | /** |
<> | 135:176b8275d35d | 116 | * @} |
<> | 135:176b8275d35d | 117 | */ |
<> | 135:176b8275d35d | 118 | |
<> | 135:176b8275d35d | 119 | /** |
<> | 135:176b8275d35d | 120 | * @} |
<> | 135:176b8275d35d | 121 | */ |
<> | 135:176b8275d35d | 122 | |
<> | 135:176b8275d35d | 123 | /* Exported macro ------------------------------------------------------------*/ |
<> | 135:176b8275d35d | 124 | /** @defgroup CRC_LL_Exported_Macros CRC Exported Macros |
<> | 135:176b8275d35d | 125 | * @{ |
<> | 135:176b8275d35d | 126 | */ |
<> | 135:176b8275d35d | 127 | |
<> | 135:176b8275d35d | 128 | /** @defgroup CRC_LL_EM_WRITE_READ Common Write and read registers Macros |
<> | 135:176b8275d35d | 129 | * @{ |
<> | 135:176b8275d35d | 130 | */ |
<> | 135:176b8275d35d | 131 | |
<> | 135:176b8275d35d | 132 | /** |
<> | 135:176b8275d35d | 133 | * @brief Write a value in CRC register |
<> | 135:176b8275d35d | 134 | * @param __INSTANCE__ CRC Instance |
<> | 135:176b8275d35d | 135 | * @param __REG__ Register to be written |
<> | 135:176b8275d35d | 136 | * @param __VALUE__ Value to be written in the register |
<> | 135:176b8275d35d | 137 | * @retval None |
<> | 135:176b8275d35d | 138 | */ |
<> | 135:176b8275d35d | 139 | #define LL_CRC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) |
<> | 135:176b8275d35d | 140 | |
<> | 135:176b8275d35d | 141 | /** |
<> | 135:176b8275d35d | 142 | * @brief Read a value in CRC register |
<> | 135:176b8275d35d | 143 | * @param __INSTANCE__ CRC Instance |
<> | 135:176b8275d35d | 144 | * @param __REG__ Register to be read |
<> | 135:176b8275d35d | 145 | * @retval Register value |
<> | 135:176b8275d35d | 146 | */ |
<> | 135:176b8275d35d | 147 | #define LL_CRC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) |
<> | 135:176b8275d35d | 148 | /** |
<> | 135:176b8275d35d | 149 | * @} |
<> | 135:176b8275d35d | 150 | */ |
<> | 135:176b8275d35d | 151 | |
<> | 135:176b8275d35d | 152 | /** |
<> | 135:176b8275d35d | 153 | * @} |
<> | 135:176b8275d35d | 154 | */ |
<> | 135:176b8275d35d | 155 | |
<> | 135:176b8275d35d | 156 | |
<> | 135:176b8275d35d | 157 | /* Exported functions --------------------------------------------------------*/ |
<> | 135:176b8275d35d | 158 | /** @defgroup CRC_LL_Exported_Functions CRC Exported Functions |
<> | 135:176b8275d35d | 159 | * @{ |
<> | 135:176b8275d35d | 160 | */ |
<> | 135:176b8275d35d | 161 | |
<> | 135:176b8275d35d | 162 | /** @defgroup CRC_LL_EF_Configuration CRC Configuration functions |
<> | 135:176b8275d35d | 163 | * @{ |
<> | 135:176b8275d35d | 164 | */ |
<> | 135:176b8275d35d | 165 | |
<> | 135:176b8275d35d | 166 | /** |
<> | 135:176b8275d35d | 167 | * @brief Reset the CRC calculation unit. |
<> | 135:176b8275d35d | 168 | * @note If Programmable Initial CRC value feature |
<> | 135:176b8275d35d | 169 | * is available, also set the Data Register to the value stored in the |
<> | 135:176b8275d35d | 170 | * CRC_INIT register, otherwise, reset Data Register to its default value. |
<> | 135:176b8275d35d | 171 | * @rmtoll CR RESET LL_CRC_ResetCRCCalculationUnit |
<> | 135:176b8275d35d | 172 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 173 | * @retval None |
<> | 135:176b8275d35d | 174 | */ |
<> | 135:176b8275d35d | 175 | __STATIC_INLINE void LL_CRC_ResetCRCCalculationUnit(CRC_TypeDef *CRCx) |
<> | 135:176b8275d35d | 176 | { |
<> | 135:176b8275d35d | 177 | SET_BIT(CRCx->CR, CRC_CR_RESET); |
<> | 135:176b8275d35d | 178 | } |
<> | 135:176b8275d35d | 179 | |
<> | 135:176b8275d35d | 180 | /** |
<> | 135:176b8275d35d | 181 | * @brief Configure size of the polynomial. |
<> | 135:176b8275d35d | 182 | * @rmtoll CR POLYSIZE LL_CRC_SetPolynomialSize |
<> | 135:176b8275d35d | 183 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 184 | * @param PolySize This parameter can be one of the following values: |
<> | 135:176b8275d35d | 185 | * @arg @ref LL_CRC_POLYLENGTH_32B |
<> | 135:176b8275d35d | 186 | * @arg @ref LL_CRC_POLYLENGTH_16B |
<> | 135:176b8275d35d | 187 | * @arg @ref LL_CRC_POLYLENGTH_8B |
<> | 135:176b8275d35d | 188 | * @arg @ref LL_CRC_POLYLENGTH_7B |
<> | 135:176b8275d35d | 189 | * @retval None |
<> | 135:176b8275d35d | 190 | */ |
<> | 135:176b8275d35d | 191 | __STATIC_INLINE void LL_CRC_SetPolynomialSize(CRC_TypeDef *CRCx, uint32_t PolySize) |
<> | 135:176b8275d35d | 192 | { |
<> | 135:176b8275d35d | 193 | MODIFY_REG(CRCx->CR, CRC_CR_POLYSIZE, PolySize); |
<> | 135:176b8275d35d | 194 | } |
<> | 135:176b8275d35d | 195 | |
<> | 135:176b8275d35d | 196 | /** |
<> | 135:176b8275d35d | 197 | * @brief Return size of the polynomial. |
<> | 135:176b8275d35d | 198 | * @rmtoll CR POLYSIZE LL_CRC_GetPolynomialSize |
<> | 135:176b8275d35d | 199 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 200 | * @retval Returned value can be one of the following values: |
<> | 135:176b8275d35d | 201 | * @arg @ref LL_CRC_POLYLENGTH_32B |
<> | 135:176b8275d35d | 202 | * @arg @ref LL_CRC_POLYLENGTH_16B |
<> | 135:176b8275d35d | 203 | * @arg @ref LL_CRC_POLYLENGTH_8B |
<> | 135:176b8275d35d | 204 | * @arg @ref LL_CRC_POLYLENGTH_7B |
<> | 135:176b8275d35d | 205 | */ |
<> | 135:176b8275d35d | 206 | __STATIC_INLINE uint32_t LL_CRC_GetPolynomialSize(CRC_TypeDef *CRCx) |
<> | 135:176b8275d35d | 207 | { |
<> | 135:176b8275d35d | 208 | return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_POLYSIZE)); |
<> | 135:176b8275d35d | 209 | } |
<> | 135:176b8275d35d | 210 | |
<> | 135:176b8275d35d | 211 | /** |
<> | 135:176b8275d35d | 212 | * @brief Configure the reversal of the bit order of the input data |
<> | 135:176b8275d35d | 213 | * @rmtoll CR REV_IN LL_CRC_SetInputDataReverseMode |
<> | 135:176b8275d35d | 214 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 215 | * @param ReverseMode This parameter can be one of the following values: |
<> | 135:176b8275d35d | 216 | * @arg @ref LL_CRC_INDATA_REVERSE_NONE |
<> | 135:176b8275d35d | 217 | * @arg @ref LL_CRC_INDATA_REVERSE_BYTE |
<> | 135:176b8275d35d | 218 | * @arg @ref LL_CRC_INDATA_REVERSE_HALFWORD |
<> | 135:176b8275d35d | 219 | * @arg @ref LL_CRC_INDATA_REVERSE_WORD |
<> | 135:176b8275d35d | 220 | * @retval None |
<> | 135:176b8275d35d | 221 | */ |
<> | 135:176b8275d35d | 222 | __STATIC_INLINE void LL_CRC_SetInputDataReverseMode(CRC_TypeDef *CRCx, uint32_t ReverseMode) |
<> | 135:176b8275d35d | 223 | { |
<> | 135:176b8275d35d | 224 | MODIFY_REG(CRCx->CR, CRC_CR_REV_IN, ReverseMode); |
<> | 135:176b8275d35d | 225 | } |
<> | 135:176b8275d35d | 226 | |
<> | 135:176b8275d35d | 227 | /** |
<> | 135:176b8275d35d | 228 | * @brief Return type of reversal for input data bit order |
<> | 135:176b8275d35d | 229 | * @rmtoll CR REV_IN LL_CRC_GetInputDataReverseMode |
<> | 135:176b8275d35d | 230 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 231 | * @retval Returned value can be one of the following values: |
<> | 135:176b8275d35d | 232 | * @arg @ref LL_CRC_INDATA_REVERSE_NONE |
<> | 135:176b8275d35d | 233 | * @arg @ref LL_CRC_INDATA_REVERSE_BYTE |
<> | 135:176b8275d35d | 234 | * @arg @ref LL_CRC_INDATA_REVERSE_HALFWORD |
<> | 135:176b8275d35d | 235 | * @arg @ref LL_CRC_INDATA_REVERSE_WORD |
<> | 135:176b8275d35d | 236 | */ |
<> | 135:176b8275d35d | 237 | __STATIC_INLINE uint32_t LL_CRC_GetInputDataReverseMode(CRC_TypeDef *CRCx) |
<> | 135:176b8275d35d | 238 | { |
<> | 135:176b8275d35d | 239 | return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_REV_IN)); |
<> | 135:176b8275d35d | 240 | } |
<> | 135:176b8275d35d | 241 | |
<> | 135:176b8275d35d | 242 | /** |
<> | 135:176b8275d35d | 243 | * @brief Configure the reversal of the bit order of the Output data |
<> | 135:176b8275d35d | 244 | * @rmtoll CR REV_OUT LL_CRC_SetOutputDataReverseMode |
<> | 135:176b8275d35d | 245 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 246 | * @param ReverseMode This parameter can be one of the following values: |
<> | 135:176b8275d35d | 247 | * @arg @ref LL_CRC_OUTDATA_REVERSE_NONE |
<> | 135:176b8275d35d | 248 | * @arg @ref LL_CRC_OUTDATA_REVERSE_BIT |
<> | 135:176b8275d35d | 249 | * @retval None |
<> | 135:176b8275d35d | 250 | */ |
<> | 135:176b8275d35d | 251 | __STATIC_INLINE void LL_CRC_SetOutputDataReverseMode(CRC_TypeDef *CRCx, uint32_t ReverseMode) |
<> | 135:176b8275d35d | 252 | { |
<> | 135:176b8275d35d | 253 | MODIFY_REG(CRCx->CR, CRC_CR_REV_OUT, ReverseMode); |
<> | 135:176b8275d35d | 254 | } |
<> | 135:176b8275d35d | 255 | |
<> | 135:176b8275d35d | 256 | /** |
<> | 135:176b8275d35d | 257 | * @brief Configure the reversal of the bit order of the Output data |
<> | 135:176b8275d35d | 258 | * @rmtoll CR REV_OUT LL_CRC_GetOutputDataReverseMode |
<> | 135:176b8275d35d | 259 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 260 | * @retval Returned value can be one of the following values: |
<> | 135:176b8275d35d | 261 | * @arg @ref LL_CRC_OUTDATA_REVERSE_NONE |
<> | 135:176b8275d35d | 262 | * @arg @ref LL_CRC_OUTDATA_REVERSE_BIT |
<> | 135:176b8275d35d | 263 | */ |
<> | 135:176b8275d35d | 264 | __STATIC_INLINE uint32_t LL_CRC_GetOutputDataReverseMode(CRC_TypeDef *CRCx) |
<> | 135:176b8275d35d | 265 | { |
<> | 135:176b8275d35d | 266 | return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_REV_OUT)); |
<> | 135:176b8275d35d | 267 | } |
<> | 135:176b8275d35d | 268 | |
<> | 135:176b8275d35d | 269 | /** |
<> | 135:176b8275d35d | 270 | * @brief Initialize the Programmable initial CRC value. |
<> | 135:176b8275d35d | 271 | * @note If the CRC size is less than 32 bits, the least significant bits |
<> | 135:176b8275d35d | 272 | * are used to write the correct value |
<> | 135:176b8275d35d | 273 | * @note LL_CRC_DEFAULT_CRC_INITVALUE could be used as value for InitCrc parameter. |
<> | 135:176b8275d35d | 274 | * @rmtoll INIT INIT LL_CRC_SetInitialData |
<> | 135:176b8275d35d | 275 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 276 | * @param InitCrc Value to be programmed in Programmable initial CRC value register |
<> | 135:176b8275d35d | 277 | * @retval None |
<> | 135:176b8275d35d | 278 | */ |
<> | 135:176b8275d35d | 279 | __STATIC_INLINE void LL_CRC_SetInitialData(CRC_TypeDef *CRCx, uint32_t InitCrc) |
<> | 135:176b8275d35d | 280 | { |
<> | 135:176b8275d35d | 281 | WRITE_REG(CRCx->INIT, InitCrc); |
<> | 135:176b8275d35d | 282 | } |
<> | 135:176b8275d35d | 283 | |
<> | 135:176b8275d35d | 284 | /** |
<> | 135:176b8275d35d | 285 | * @brief Return current Initial CRC value. |
<> | 135:176b8275d35d | 286 | * @note If the CRC size is less than 32 bits, the least significant bits |
<> | 135:176b8275d35d | 287 | * are used to read the correct value |
<> | 135:176b8275d35d | 288 | * @rmtoll INIT INIT LL_CRC_GetInitialData |
<> | 135:176b8275d35d | 289 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 290 | * @retval Value programmed in Programmable initial CRC value register |
<> | 135:176b8275d35d | 291 | */ |
<> | 135:176b8275d35d | 292 | __STATIC_INLINE uint32_t LL_CRC_GetInitialData(CRC_TypeDef *CRCx) |
<> | 135:176b8275d35d | 293 | { |
<> | 135:176b8275d35d | 294 | return (uint32_t)(READ_REG(CRCx->INIT)); |
<> | 135:176b8275d35d | 295 | } |
<> | 135:176b8275d35d | 296 | |
<> | 135:176b8275d35d | 297 | /** |
<> | 135:176b8275d35d | 298 | * @brief Initialize the Programmable polynomial value |
<> | 135:176b8275d35d | 299 | * (coefficients of the polynomial to be used for CRC calculation). |
<> | 135:176b8275d35d | 300 | * @note LL_CRC_DEFAULT_CRC32_POLY could be used as value for PolynomCoef parameter. |
<> | 135:176b8275d35d | 301 | * @note Please check Reference Manual and existing Errata Sheets, |
<> | 135:176b8275d35d | 302 | * regarding possible limitations for Polynomial values usage. |
<> | 135:176b8275d35d | 303 | * For example, for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65 |
<> | 135:176b8275d35d | 304 | * @rmtoll POL POL LL_CRC_SetPolynomialCoef |
<> | 135:176b8275d35d | 305 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 306 | * @param PolynomCoef Value to be programmed in Programmable Polynomial value register |
<> | 135:176b8275d35d | 307 | * @retval None |
<> | 135:176b8275d35d | 308 | */ |
<> | 135:176b8275d35d | 309 | __STATIC_INLINE void LL_CRC_SetPolynomialCoef(CRC_TypeDef *CRCx, uint32_t PolynomCoef) |
<> | 135:176b8275d35d | 310 | { |
<> | 135:176b8275d35d | 311 | WRITE_REG(CRCx->POL, PolynomCoef); |
<> | 135:176b8275d35d | 312 | } |
<> | 135:176b8275d35d | 313 | |
<> | 135:176b8275d35d | 314 | /** |
<> | 135:176b8275d35d | 315 | * @brief Return current Programmable polynomial value |
<> | 135:176b8275d35d | 316 | * @note Please check Reference Manual and existing Errata Sheets, |
<> | 135:176b8275d35d | 317 | * regarding possible limitations for Polynomial values usage. |
<> | 135:176b8275d35d | 318 | * For example, for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65 |
<> | 135:176b8275d35d | 319 | * @rmtoll POL POL LL_CRC_GetPolynomialCoef |
<> | 135:176b8275d35d | 320 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 321 | * @retval Value programmed in Programmable Polynomial value register |
<> | 135:176b8275d35d | 322 | */ |
<> | 135:176b8275d35d | 323 | __STATIC_INLINE uint32_t LL_CRC_GetPolynomialCoef(CRC_TypeDef *CRCx) |
<> | 135:176b8275d35d | 324 | { |
<> | 135:176b8275d35d | 325 | return (uint32_t)(READ_REG(CRCx->POL)); |
<> | 135:176b8275d35d | 326 | } |
<> | 135:176b8275d35d | 327 | |
<> | 135:176b8275d35d | 328 | /** |
<> | 135:176b8275d35d | 329 | * @} |
<> | 135:176b8275d35d | 330 | */ |
<> | 135:176b8275d35d | 331 | |
<> | 135:176b8275d35d | 332 | /** @defgroup CRC_LL_EF_Data_Management Data_Management |
<> | 135:176b8275d35d | 333 | * @{ |
<> | 135:176b8275d35d | 334 | */ |
<> | 135:176b8275d35d | 335 | |
<> | 135:176b8275d35d | 336 | /** |
<> | 135:176b8275d35d | 337 | * @brief Write given 32-bit data to the CRC calculator |
<> | 135:176b8275d35d | 338 | * @rmtoll DR DR LL_CRC_FeedData32 |
<> | 135:176b8275d35d | 339 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 340 | * @param InData value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFFFFFF |
<> | 135:176b8275d35d | 341 | * @retval None |
<> | 135:176b8275d35d | 342 | */ |
<> | 135:176b8275d35d | 343 | __STATIC_INLINE void LL_CRC_FeedData32(CRC_TypeDef *CRCx, uint32_t InData) |
<> | 135:176b8275d35d | 344 | { |
<> | 135:176b8275d35d | 345 | WRITE_REG(CRCx->DR, InData); |
<> | 135:176b8275d35d | 346 | } |
<> | 135:176b8275d35d | 347 | |
<> | 135:176b8275d35d | 348 | /** |
<> | 135:176b8275d35d | 349 | * @brief Write given 16-bit data to the CRC calculator |
<> | 135:176b8275d35d | 350 | * @rmtoll DR DR LL_CRC_FeedData16 |
<> | 135:176b8275d35d | 351 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 352 | * @param InData 16 bit value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFF |
<> | 135:176b8275d35d | 353 | * @retval None |
<> | 135:176b8275d35d | 354 | */ |
<> | 135:176b8275d35d | 355 | __STATIC_INLINE void LL_CRC_FeedData16(CRC_TypeDef *CRCx, uint16_t InData) |
<> | 135:176b8275d35d | 356 | { |
<> | 135:176b8275d35d | 357 | *(uint16_t __IO *)(&CRCx->DR) = (uint16_t) InData; |
<> | 135:176b8275d35d | 358 | } |
<> | 135:176b8275d35d | 359 | |
<> | 135:176b8275d35d | 360 | /** |
<> | 135:176b8275d35d | 361 | * @brief Write given 8-bit data to the CRC calculator |
<> | 135:176b8275d35d | 362 | * @rmtoll DR DR LL_CRC_FeedData8 |
<> | 135:176b8275d35d | 363 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 364 | * @param InData 8 bit value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFF |
<> | 135:176b8275d35d | 365 | * @retval None |
<> | 135:176b8275d35d | 366 | */ |
<> | 135:176b8275d35d | 367 | __STATIC_INLINE void LL_CRC_FeedData8(CRC_TypeDef *CRCx, uint8_t InData) |
<> | 135:176b8275d35d | 368 | { |
<> | 135:176b8275d35d | 369 | *(uint8_t __IO *)(&CRCx->DR) = (uint8_t) InData; |
<> | 135:176b8275d35d | 370 | } |
<> | 135:176b8275d35d | 371 | |
<> | 135:176b8275d35d | 372 | /** |
<> | 135:176b8275d35d | 373 | * @brief Return current CRC calculation result. 32 bits value is returned. |
<> | 135:176b8275d35d | 374 | * @rmtoll DR DR LL_CRC_ReadData32 |
<> | 135:176b8275d35d | 375 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 376 | * @retval Current CRC calculation result as stored in CRC_DR register (32 bits). |
<> | 135:176b8275d35d | 377 | */ |
<> | 135:176b8275d35d | 378 | __STATIC_INLINE uint32_t LL_CRC_ReadData32(CRC_TypeDef *CRCx) |
<> | 135:176b8275d35d | 379 | { |
<> | 135:176b8275d35d | 380 | return (uint32_t)(READ_REG(CRCx->DR)); |
<> | 135:176b8275d35d | 381 | } |
<> | 135:176b8275d35d | 382 | |
<> | 135:176b8275d35d | 383 | /** |
<> | 135:176b8275d35d | 384 | * @brief Return current CRC calculation result. 16 bits value is returned. |
<> | 135:176b8275d35d | 385 | * @note This function is expected to be used in a 16 bits CRC polynomial size context. |
<> | 135:176b8275d35d | 386 | * @rmtoll DR DR LL_CRC_ReadData16 |
<> | 135:176b8275d35d | 387 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 388 | * @retval Current CRC calculation result as stored in CRC_DR register (16 bits). |
<> | 135:176b8275d35d | 389 | */ |
<> | 135:176b8275d35d | 390 | __STATIC_INLINE uint16_t LL_CRC_ReadData16(CRC_TypeDef *CRCx) |
<> | 135:176b8275d35d | 391 | { |
<> | 135:176b8275d35d | 392 | return (uint16_t)READ_REG(CRCx->DR); |
<> | 135:176b8275d35d | 393 | } |
<> | 135:176b8275d35d | 394 | |
<> | 135:176b8275d35d | 395 | /** |
<> | 135:176b8275d35d | 396 | * @brief Return current CRC calculation result. 8 bits value is returned. |
<> | 135:176b8275d35d | 397 | * @note This function is expected to be used in a 8 bits CRC polynomial size context. |
<> | 135:176b8275d35d | 398 | * @rmtoll DR DR LL_CRC_ReadData8 |
<> | 135:176b8275d35d | 399 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 400 | * @retval Current CRC calculation result as stored in CRC_DR register (8 bits). |
<> | 135:176b8275d35d | 401 | */ |
<> | 135:176b8275d35d | 402 | __STATIC_INLINE uint8_t LL_CRC_ReadData8(CRC_TypeDef *CRCx) |
<> | 135:176b8275d35d | 403 | { |
<> | 135:176b8275d35d | 404 | return (uint8_t)READ_REG(CRCx->DR); |
<> | 135:176b8275d35d | 405 | } |
<> | 135:176b8275d35d | 406 | |
<> | 135:176b8275d35d | 407 | /** |
<> | 135:176b8275d35d | 408 | * @brief Return current CRC calculation result. 7 bits value is returned. |
<> | 135:176b8275d35d | 409 | * @note This function is expected to be used in a 7 bits CRC polynomial size context. |
<> | 135:176b8275d35d | 410 | * @rmtoll DR DR LL_CRC_ReadData7 |
<> | 135:176b8275d35d | 411 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 412 | * @retval Current CRC calculation result as stored in CRC_DR register (7 bits). |
<> | 135:176b8275d35d | 413 | */ |
<> | 135:176b8275d35d | 414 | __STATIC_INLINE uint8_t LL_CRC_ReadData7(CRC_TypeDef *CRCx) |
<> | 135:176b8275d35d | 415 | { |
<> | 135:176b8275d35d | 416 | return (uint8_t)(READ_REG(CRCx->DR) & 0x7FU); |
<> | 135:176b8275d35d | 417 | } |
<> | 135:176b8275d35d | 418 | |
<> | 135:176b8275d35d | 419 | /** |
<> | 135:176b8275d35d | 420 | * @brief Return data stored in the Independent Data(IDR) register. |
<> | 135:176b8275d35d | 421 | * @note This register can be used as a temporary storage location for one byte. |
<> | 135:176b8275d35d | 422 | * @rmtoll IDR IDR LL_CRC_Read_IDR |
<> | 135:176b8275d35d | 423 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 424 | * @retval Value stored in CRC_IDR register (General-purpose 8-bit data register). |
<> | 135:176b8275d35d | 425 | */ |
<> | 135:176b8275d35d | 426 | __STATIC_INLINE uint32_t LL_CRC_Read_IDR(CRC_TypeDef *CRCx) |
<> | 135:176b8275d35d | 427 | { |
<> | 135:176b8275d35d | 428 | return (uint32_t)(READ_REG(CRCx->IDR)); |
<> | 135:176b8275d35d | 429 | } |
<> | 135:176b8275d35d | 430 | |
<> | 135:176b8275d35d | 431 | /** |
<> | 135:176b8275d35d | 432 | * @brief Store data in the Independent Data(IDR) register. |
<> | 135:176b8275d35d | 433 | * @note This register can be used as a temporary storage location for one byte. |
<> | 135:176b8275d35d | 434 | * @rmtoll IDR IDR LL_CRC_Write_IDR |
<> | 135:176b8275d35d | 435 | * @param CRCx CRC Instance |
<> | 135:176b8275d35d | 436 | * @param InData value to be stored in CRC_IDR register (8-bit) between between Min_Data=0 and Max_Data=0xFF |
<> | 135:176b8275d35d | 437 | * @retval None |
<> | 135:176b8275d35d | 438 | */ |
<> | 135:176b8275d35d | 439 | __STATIC_INLINE void LL_CRC_Write_IDR(CRC_TypeDef *CRCx, uint32_t InData) |
<> | 135:176b8275d35d | 440 | { |
<> | 135:176b8275d35d | 441 | *((uint8_t __IO *)(&CRCx->IDR)) = (uint8_t) InData; |
<> | 135:176b8275d35d | 442 | } |
<> | 135:176b8275d35d | 443 | /** |
<> | 135:176b8275d35d | 444 | * @} |
<> | 135:176b8275d35d | 445 | */ |
<> | 135:176b8275d35d | 446 | |
<> | 135:176b8275d35d | 447 | #if defined(USE_FULL_LL_DRIVER) |
<> | 135:176b8275d35d | 448 | /** @defgroup CRC_LL_EF_Init Initialization and de-initialization functions |
<> | 135:176b8275d35d | 449 | * @{ |
<> | 135:176b8275d35d | 450 | */ |
<> | 135:176b8275d35d | 451 | |
<> | 135:176b8275d35d | 452 | ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx); |
<> | 135:176b8275d35d | 453 | |
<> | 135:176b8275d35d | 454 | /** |
<> | 135:176b8275d35d | 455 | * @} |
<> | 135:176b8275d35d | 456 | */ |
<> | 135:176b8275d35d | 457 | #endif /* USE_FULL_LL_DRIVER */ |
<> | 135:176b8275d35d | 458 | |
<> | 135:176b8275d35d | 459 | /** |
<> | 135:176b8275d35d | 460 | * @} |
<> | 135:176b8275d35d | 461 | */ |
<> | 135:176b8275d35d | 462 | |
<> | 135:176b8275d35d | 463 | /** |
<> | 135:176b8275d35d | 464 | * @} |
<> | 135:176b8275d35d | 465 | */ |
<> | 135:176b8275d35d | 466 | |
<> | 135:176b8275d35d | 467 | #endif /* defined(CRC) */ |
<> | 135:176b8275d35d | 468 | |
<> | 135:176b8275d35d | 469 | /** |
<> | 135:176b8275d35d | 470 | * @} |
<> | 135:176b8275d35d | 471 | */ |
<> | 135:176b8275d35d | 472 | |
<> | 135:176b8275d35d | 473 | #ifdef __cplusplus |
<> | 135:176b8275d35d | 474 | } |
<> | 135:176b8275d35d | 475 | #endif |
<> | 135:176b8275d35d | 476 | |
<> | 135:176b8275d35d | 477 | #endif /* __STM32F3xx_LL_CRC_H */ |
<> | 135:176b8275d35d | 478 | |
<> | 135:176b8275d35d | 479 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |