mbed library sources. Supersedes mbed-src.
Fork of mbed-dev by
targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_ll_crc.h@181:96ed750bd169, 2018-01-17 (annotated)
- Committer:
- Anna Bridge
- Date:
- Wed Jan 17 15:23:54 2018 +0000
- Revision:
- 181:96ed750bd169
- Parent:
- 156:95d6b41a828b
mbed-dev libray. Release version 158
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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<> | 156:95d6b41a828b | 1 | /** |
<> | 156:95d6b41a828b | 2 | ****************************************************************************** |
<> | 156:95d6b41a828b | 3 | * @file stm32f0xx_ll_crc.h |
<> | 156:95d6b41a828b | 4 | * @author MCD Application Team |
<> | 156:95d6b41a828b | 5 | * @brief Header file of CRC LL module. |
<> | 156:95d6b41a828b | 6 | ****************************************************************************** |
<> | 156:95d6b41a828b | 7 | * @attention |
<> | 156:95d6b41a828b | 8 | * |
<> | 156:95d6b41a828b | 9 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
<> | 156:95d6b41a828b | 10 | * |
<> | 156:95d6b41a828b | 11 | * Redistribution and use in source and binary forms, with or without modification, |
<> | 156:95d6b41a828b | 12 | * are permitted provided that the following conditions are met: |
<> | 156:95d6b41a828b | 13 | * 1. Redistributions of source code must retain the above copyright notice, |
<> | 156:95d6b41a828b | 14 | * this list of conditions and the following disclaimer. |
<> | 156:95d6b41a828b | 15 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
<> | 156:95d6b41a828b | 16 | * this list of conditions and the following disclaimer in the documentation |
<> | 156:95d6b41a828b | 17 | * and/or other materials provided with the distribution. |
<> | 156:95d6b41a828b | 18 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
<> | 156:95d6b41a828b | 19 | * may be used to endorse or promote products derived from this software |
<> | 156:95d6b41a828b | 20 | * without specific prior written permission. |
<> | 156:95d6b41a828b | 21 | * |
<> | 156:95d6b41a828b | 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
<> | 156:95d6b41a828b | 23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
<> | 156:95d6b41a828b | 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
<> | 156:95d6b41a828b | 25 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
<> | 156:95d6b41a828b | 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
<> | 156:95d6b41a828b | 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
<> | 156:95d6b41a828b | 28 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
<> | 156:95d6b41a828b | 29 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
<> | 156:95d6b41a828b | 30 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
<> | 156:95d6b41a828b | 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
<> | 156:95d6b41a828b | 32 | * |
<> | 156:95d6b41a828b | 33 | ****************************************************************************** |
<> | 156:95d6b41a828b | 34 | */ |
<> | 156:95d6b41a828b | 35 | |
<> | 156:95d6b41a828b | 36 | /* Define to prevent recursive inclusion -------------------------------------*/ |
<> | 156:95d6b41a828b | 37 | #ifndef __STM32F0xx_LL_CRC_H |
<> | 156:95d6b41a828b | 38 | #define __STM32F0xx_LL_CRC_H |
<> | 156:95d6b41a828b | 39 | |
<> | 156:95d6b41a828b | 40 | #ifdef __cplusplus |
<> | 156:95d6b41a828b | 41 | extern "C" { |
<> | 156:95d6b41a828b | 42 | #endif |
<> | 156:95d6b41a828b | 43 | |
<> | 156:95d6b41a828b | 44 | /* Includes ------------------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 45 | #include "stm32f0xx.h" |
<> | 156:95d6b41a828b | 46 | |
<> | 156:95d6b41a828b | 47 | /** @addtogroup STM32F0xx_LL_Driver |
<> | 156:95d6b41a828b | 48 | * @{ |
<> | 156:95d6b41a828b | 49 | */ |
<> | 156:95d6b41a828b | 50 | |
<> | 156:95d6b41a828b | 51 | #if defined(CRC) |
<> | 156:95d6b41a828b | 52 | |
<> | 156:95d6b41a828b | 53 | /** @defgroup CRC_LL CRC |
<> | 156:95d6b41a828b | 54 | * @{ |
<> | 156:95d6b41a828b | 55 | */ |
<> | 156:95d6b41a828b | 56 | |
<> | 156:95d6b41a828b | 57 | /* Private types -------------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 58 | /* Private variables ---------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 59 | /* Private constants ---------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 60 | /* Private macros ------------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 61 | |
<> | 156:95d6b41a828b | 62 | /* Exported types ------------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 63 | /* Exported constants --------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 64 | /** @defgroup CRC_LL_Exported_Constants CRC Exported Constants |
<> | 156:95d6b41a828b | 65 | * @{ |
<> | 156:95d6b41a828b | 66 | */ |
<> | 156:95d6b41a828b | 67 | |
<> | 156:95d6b41a828b | 68 | #if defined(CRC_PROG_POLYNOMIAL_SUPPORT) |
<> | 156:95d6b41a828b | 69 | /** @defgroup CRC_LL_EC_POLYLENGTH Polynomial length |
<> | 156:95d6b41a828b | 70 | * @{ |
<> | 156:95d6b41a828b | 71 | */ |
Anna Bridge |
181:96ed750bd169 | 72 | #define LL_CRC_POLYLENGTH_32B 0x00000000U /*!< 32 bits Polynomial size */ |
<> | 156:95d6b41a828b | 73 | #define LL_CRC_POLYLENGTH_16B CRC_CR_POLYSIZE_0 /*!< 16 bits Polynomial size */ |
<> | 156:95d6b41a828b | 74 | #define LL_CRC_POLYLENGTH_8B CRC_CR_POLYSIZE_1 /*!< 8 bits Polynomial size */ |
<> | 156:95d6b41a828b | 75 | #define LL_CRC_POLYLENGTH_7B (CRC_CR_POLYSIZE_1 | CRC_CR_POLYSIZE_0) /*!< 7 bits Polynomial size */ |
<> | 156:95d6b41a828b | 76 | /** |
<> | 156:95d6b41a828b | 77 | * @} |
<> | 156:95d6b41a828b | 78 | */ |
<> | 156:95d6b41a828b | 79 | #endif |
<> | 156:95d6b41a828b | 80 | |
<> | 156:95d6b41a828b | 81 | /** @defgroup CRC_LL_EC_INDATA_REVERSE Input Data Reverse |
<> | 156:95d6b41a828b | 82 | * @{ |
<> | 156:95d6b41a828b | 83 | */ |
Anna Bridge |
181:96ed750bd169 | 84 | #define LL_CRC_INDATA_REVERSE_NONE 0x00000000U /*!< Input Data bit order not affected */ |
<> | 156:95d6b41a828b | 85 | #define LL_CRC_INDATA_REVERSE_BYTE CRC_CR_REV_IN_0 /*!< Input Data bit reversal done by byte */ |
<> | 156:95d6b41a828b | 86 | #define LL_CRC_INDATA_REVERSE_HALFWORD CRC_CR_REV_IN_1 /*!< Input Data bit reversal done by half-word */ |
<> | 156:95d6b41a828b | 87 | #define LL_CRC_INDATA_REVERSE_WORD (CRC_CR_REV_IN_1 | CRC_CR_REV_IN_0) /*!< Input Data bit reversal done by word */ |
<> | 156:95d6b41a828b | 88 | /** |
<> | 156:95d6b41a828b | 89 | * @} |
<> | 156:95d6b41a828b | 90 | */ |
<> | 156:95d6b41a828b | 91 | |
<> | 156:95d6b41a828b | 92 | /** @defgroup CRC_LL_EC_OUTDATA_REVERSE Output Data Reverse |
<> | 156:95d6b41a828b | 93 | * @{ |
<> | 156:95d6b41a828b | 94 | */ |
Anna Bridge |
181:96ed750bd169 | 95 | #define LL_CRC_OUTDATA_REVERSE_NONE 0x00000000U /*!< Output Data bit order not affected */ |
<> | 156:95d6b41a828b | 96 | #define LL_CRC_OUTDATA_REVERSE_BIT CRC_CR_REV_OUT /*!< Output Data bit reversal done by bit */ |
<> | 156:95d6b41a828b | 97 | /** |
<> | 156:95d6b41a828b | 98 | * @} |
<> | 156:95d6b41a828b | 99 | */ |
<> | 156:95d6b41a828b | 100 | |
<> | 156:95d6b41a828b | 101 | #if defined(CRC_PROG_POLYNOMIAL_SUPPORT) |
<> | 156:95d6b41a828b | 102 | /** @defgroup CRC_LL_EC_Default_Polynomial_Value Default CRC generating polynomial value |
<> | 156:95d6b41a828b | 103 | * @brief Normal representation of this polynomial value is |
<> | 156:95d6b41a828b | 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 . |
<> | 156:95d6b41a828b | 105 | * @{ |
<> | 156:95d6b41a828b | 106 | */ |
Anna Bridge |
181:96ed750bd169 | 107 | #define LL_CRC_DEFAULT_CRC32_POLY 0x04C11DB7U /*!< Default CRC generating polynomial value */ |
<> | 156:95d6b41a828b | 108 | /** |
<> | 156:95d6b41a828b | 109 | * @} |
<> | 156:95d6b41a828b | 110 | */ |
<> | 156:95d6b41a828b | 111 | #endif |
<> | 156:95d6b41a828b | 112 | |
<> | 156:95d6b41a828b | 113 | /** @defgroup CRC_LL_EC_Default_InitValue Default CRC computation initialization value |
<> | 156:95d6b41a828b | 114 | * @{ |
<> | 156:95d6b41a828b | 115 | */ |
Anna Bridge |
181:96ed750bd169 | 116 | #define LL_CRC_DEFAULT_CRC_INITVALUE 0xFFFFFFFFU /*!< Default CRC computation initialization value */ |
<> | 156:95d6b41a828b | 117 | /** |
<> | 156:95d6b41a828b | 118 | * @} |
<> | 156:95d6b41a828b | 119 | */ |
<> | 156:95d6b41a828b | 120 | |
<> | 156:95d6b41a828b | 121 | /** |
<> | 156:95d6b41a828b | 122 | * @} |
<> | 156:95d6b41a828b | 123 | */ |
<> | 156:95d6b41a828b | 124 | |
<> | 156:95d6b41a828b | 125 | /* Exported macro ------------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 126 | /** @defgroup CRC_LL_Exported_Macros CRC Exported Macros |
<> | 156:95d6b41a828b | 127 | * @{ |
<> | 156:95d6b41a828b | 128 | */ |
<> | 156:95d6b41a828b | 129 | |
<> | 156:95d6b41a828b | 130 | /** @defgroup CRC_LL_EM_WRITE_READ Common Write and read registers Macros |
<> | 156:95d6b41a828b | 131 | * @{ |
<> | 156:95d6b41a828b | 132 | */ |
<> | 156:95d6b41a828b | 133 | |
<> | 156:95d6b41a828b | 134 | /** |
<> | 156:95d6b41a828b | 135 | * @brief Write a value in CRC register |
<> | 156:95d6b41a828b | 136 | * @param __INSTANCE__ CRC Instance |
<> | 156:95d6b41a828b | 137 | * @param __REG__ Register to be written |
<> | 156:95d6b41a828b | 138 | * @param __VALUE__ Value to be written in the register |
<> | 156:95d6b41a828b | 139 | * @retval None |
<> | 156:95d6b41a828b | 140 | */ |
<> | 156:95d6b41a828b | 141 | #define LL_CRC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) |
<> | 156:95d6b41a828b | 142 | |
<> | 156:95d6b41a828b | 143 | /** |
<> | 156:95d6b41a828b | 144 | * @brief Read a value in CRC register |
<> | 156:95d6b41a828b | 145 | * @param __INSTANCE__ CRC Instance |
<> | 156:95d6b41a828b | 146 | * @param __REG__ Register to be read |
<> | 156:95d6b41a828b | 147 | * @retval Register value |
<> | 156:95d6b41a828b | 148 | */ |
<> | 156:95d6b41a828b | 149 | #define LL_CRC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) |
<> | 156:95d6b41a828b | 150 | /** |
<> | 156:95d6b41a828b | 151 | * @} |
<> | 156:95d6b41a828b | 152 | */ |
<> | 156:95d6b41a828b | 153 | |
<> | 156:95d6b41a828b | 154 | /** |
<> | 156:95d6b41a828b | 155 | * @} |
<> | 156:95d6b41a828b | 156 | */ |
<> | 156:95d6b41a828b | 157 | |
<> | 156:95d6b41a828b | 158 | |
<> | 156:95d6b41a828b | 159 | /* Exported functions --------------------------------------------------------*/ |
<> | 156:95d6b41a828b | 160 | /** @defgroup CRC_LL_Exported_Functions CRC Exported Functions |
<> | 156:95d6b41a828b | 161 | * @{ |
<> | 156:95d6b41a828b | 162 | */ |
<> | 156:95d6b41a828b | 163 | |
<> | 156:95d6b41a828b | 164 | /** @defgroup CRC_LL_EF_Configuration CRC Configuration functions |
<> | 156:95d6b41a828b | 165 | * @{ |
<> | 156:95d6b41a828b | 166 | */ |
<> | 156:95d6b41a828b | 167 | |
<> | 156:95d6b41a828b | 168 | /** |
<> | 156:95d6b41a828b | 169 | * @brief Reset the CRC calculation unit. |
<> | 156:95d6b41a828b | 170 | * @note If Programmable Initial CRC value feature |
<> | 156:95d6b41a828b | 171 | * is available, also set the Data Register to the value stored in the |
<> | 156:95d6b41a828b | 172 | * CRC_INIT register, otherwise, reset Data Register to its default value. |
<> | 156:95d6b41a828b | 173 | * @rmtoll CR RESET LL_CRC_ResetCRCCalculationUnit |
<> | 156:95d6b41a828b | 174 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 175 | * @retval None |
<> | 156:95d6b41a828b | 176 | */ |
<> | 156:95d6b41a828b | 177 | __STATIC_INLINE void LL_CRC_ResetCRCCalculationUnit(CRC_TypeDef *CRCx) |
<> | 156:95d6b41a828b | 178 | { |
<> | 156:95d6b41a828b | 179 | SET_BIT(CRCx->CR, CRC_CR_RESET); |
<> | 156:95d6b41a828b | 180 | } |
<> | 156:95d6b41a828b | 181 | |
<> | 156:95d6b41a828b | 182 | #if defined(CRC_PROG_POLYNOMIAL_SUPPORT) |
<> | 156:95d6b41a828b | 183 | /** |
<> | 156:95d6b41a828b | 184 | * @brief Configure size of the polynomial. |
<> | 156:95d6b41a828b | 185 | * @note This function is available only on devices supporting |
<> | 156:95d6b41a828b | 186 | * Programmable Polynomial feature. |
<> | 156:95d6b41a828b | 187 | * @rmtoll CR POLYSIZE LL_CRC_SetPolynomialSize |
<> | 156:95d6b41a828b | 188 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 189 | * @param PolySize This parameter can be one of the following values: |
<> | 156:95d6b41a828b | 190 | * @arg @ref LL_CRC_POLYLENGTH_32B |
<> | 156:95d6b41a828b | 191 | * @arg @ref LL_CRC_POLYLENGTH_16B |
<> | 156:95d6b41a828b | 192 | * @arg @ref LL_CRC_POLYLENGTH_8B |
<> | 156:95d6b41a828b | 193 | * @arg @ref LL_CRC_POLYLENGTH_7B |
<> | 156:95d6b41a828b | 194 | * @retval None |
<> | 156:95d6b41a828b | 195 | */ |
<> | 156:95d6b41a828b | 196 | __STATIC_INLINE void LL_CRC_SetPolynomialSize(CRC_TypeDef *CRCx, uint32_t PolySize) |
<> | 156:95d6b41a828b | 197 | { |
<> | 156:95d6b41a828b | 198 | MODIFY_REG(CRCx->CR, CRC_CR_POLYSIZE, PolySize); |
<> | 156:95d6b41a828b | 199 | } |
<> | 156:95d6b41a828b | 200 | |
<> | 156:95d6b41a828b | 201 | /** |
<> | 156:95d6b41a828b | 202 | * @brief Return size of the polynomial. |
<> | 156:95d6b41a828b | 203 | * @note This function is available only on devices supporting |
<> | 156:95d6b41a828b | 204 | * Programmable Polynomial feature. |
<> | 156:95d6b41a828b | 205 | * @rmtoll CR POLYSIZE LL_CRC_GetPolynomialSize |
<> | 156:95d6b41a828b | 206 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 207 | * @retval Returned value can be one of the following values: |
<> | 156:95d6b41a828b | 208 | * @arg @ref LL_CRC_POLYLENGTH_32B |
<> | 156:95d6b41a828b | 209 | * @arg @ref LL_CRC_POLYLENGTH_16B |
<> | 156:95d6b41a828b | 210 | * @arg @ref LL_CRC_POLYLENGTH_8B |
<> | 156:95d6b41a828b | 211 | * @arg @ref LL_CRC_POLYLENGTH_7B |
<> | 156:95d6b41a828b | 212 | */ |
<> | 156:95d6b41a828b | 213 | __STATIC_INLINE uint32_t LL_CRC_GetPolynomialSize(CRC_TypeDef *CRCx) |
<> | 156:95d6b41a828b | 214 | { |
<> | 156:95d6b41a828b | 215 | return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_POLYSIZE)); |
<> | 156:95d6b41a828b | 216 | } |
<> | 156:95d6b41a828b | 217 | #endif |
<> | 156:95d6b41a828b | 218 | |
<> | 156:95d6b41a828b | 219 | /** |
<> | 156:95d6b41a828b | 220 | * @brief Configure the reversal of the bit order of the input data |
<> | 156:95d6b41a828b | 221 | * @rmtoll CR REV_IN LL_CRC_SetInputDataReverseMode |
<> | 156:95d6b41a828b | 222 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 223 | * @param ReverseMode This parameter can be one of the following values: |
<> | 156:95d6b41a828b | 224 | * @arg @ref LL_CRC_INDATA_REVERSE_NONE |
<> | 156:95d6b41a828b | 225 | * @arg @ref LL_CRC_INDATA_REVERSE_BYTE |
<> | 156:95d6b41a828b | 226 | * @arg @ref LL_CRC_INDATA_REVERSE_HALFWORD |
<> | 156:95d6b41a828b | 227 | * @arg @ref LL_CRC_INDATA_REVERSE_WORD |
<> | 156:95d6b41a828b | 228 | * @retval None |
<> | 156:95d6b41a828b | 229 | */ |
<> | 156:95d6b41a828b | 230 | __STATIC_INLINE void LL_CRC_SetInputDataReverseMode(CRC_TypeDef *CRCx, uint32_t ReverseMode) |
<> | 156:95d6b41a828b | 231 | { |
<> | 156:95d6b41a828b | 232 | MODIFY_REG(CRCx->CR, CRC_CR_REV_IN, ReverseMode); |
<> | 156:95d6b41a828b | 233 | } |
<> | 156:95d6b41a828b | 234 | |
<> | 156:95d6b41a828b | 235 | /** |
<> | 156:95d6b41a828b | 236 | * @brief Return type of reversal for input data bit order |
<> | 156:95d6b41a828b | 237 | * @rmtoll CR REV_IN LL_CRC_GetInputDataReverseMode |
<> | 156:95d6b41a828b | 238 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 239 | * @retval Returned value can be one of the following values: |
<> | 156:95d6b41a828b | 240 | * @arg @ref LL_CRC_INDATA_REVERSE_NONE |
<> | 156:95d6b41a828b | 241 | * @arg @ref LL_CRC_INDATA_REVERSE_BYTE |
<> | 156:95d6b41a828b | 242 | * @arg @ref LL_CRC_INDATA_REVERSE_HALFWORD |
<> | 156:95d6b41a828b | 243 | * @arg @ref LL_CRC_INDATA_REVERSE_WORD |
<> | 156:95d6b41a828b | 244 | */ |
<> | 156:95d6b41a828b | 245 | __STATIC_INLINE uint32_t LL_CRC_GetInputDataReverseMode(CRC_TypeDef *CRCx) |
<> | 156:95d6b41a828b | 246 | { |
<> | 156:95d6b41a828b | 247 | return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_REV_IN)); |
<> | 156:95d6b41a828b | 248 | } |
<> | 156:95d6b41a828b | 249 | |
<> | 156:95d6b41a828b | 250 | /** |
<> | 156:95d6b41a828b | 251 | * @brief Configure the reversal of the bit order of the Output data |
<> | 156:95d6b41a828b | 252 | * @rmtoll CR REV_OUT LL_CRC_SetOutputDataReverseMode |
<> | 156:95d6b41a828b | 253 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 254 | * @param ReverseMode This parameter can be one of the following values: |
<> | 156:95d6b41a828b | 255 | * @arg @ref LL_CRC_OUTDATA_REVERSE_NONE |
<> | 156:95d6b41a828b | 256 | * @arg @ref LL_CRC_OUTDATA_REVERSE_BIT |
<> | 156:95d6b41a828b | 257 | * @retval None |
<> | 156:95d6b41a828b | 258 | */ |
<> | 156:95d6b41a828b | 259 | __STATIC_INLINE void LL_CRC_SetOutputDataReverseMode(CRC_TypeDef *CRCx, uint32_t ReverseMode) |
<> | 156:95d6b41a828b | 260 | { |
<> | 156:95d6b41a828b | 261 | MODIFY_REG(CRCx->CR, CRC_CR_REV_OUT, ReverseMode); |
<> | 156:95d6b41a828b | 262 | } |
<> | 156:95d6b41a828b | 263 | |
<> | 156:95d6b41a828b | 264 | /** |
<> | 156:95d6b41a828b | 265 | * @brief Configure the reversal of the bit order of the Output data |
<> | 156:95d6b41a828b | 266 | * @rmtoll CR REV_OUT LL_CRC_GetOutputDataReverseMode |
<> | 156:95d6b41a828b | 267 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 268 | * @retval Returned value can be one of the following values: |
<> | 156:95d6b41a828b | 269 | * @arg @ref LL_CRC_OUTDATA_REVERSE_NONE |
<> | 156:95d6b41a828b | 270 | * @arg @ref LL_CRC_OUTDATA_REVERSE_BIT |
<> | 156:95d6b41a828b | 271 | */ |
<> | 156:95d6b41a828b | 272 | __STATIC_INLINE uint32_t LL_CRC_GetOutputDataReverseMode(CRC_TypeDef *CRCx) |
<> | 156:95d6b41a828b | 273 | { |
<> | 156:95d6b41a828b | 274 | return (uint32_t)(READ_BIT(CRCx->CR, CRC_CR_REV_OUT)); |
<> | 156:95d6b41a828b | 275 | } |
<> | 156:95d6b41a828b | 276 | |
<> | 156:95d6b41a828b | 277 | /** |
<> | 156:95d6b41a828b | 278 | * @brief Initialize the Programmable initial CRC value. |
<> | 156:95d6b41a828b | 279 | * @note If the CRC size is less than 32 bits, the least significant bits |
<> | 156:95d6b41a828b | 280 | * are used to write the correct value |
<> | 156:95d6b41a828b | 281 | * @note LL_CRC_DEFAULT_CRC_INITVALUE could be used as value for InitCrc parameter. |
<> | 156:95d6b41a828b | 282 | * @rmtoll INIT INIT LL_CRC_SetInitialData |
<> | 156:95d6b41a828b | 283 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 284 | * @param InitCrc Value to be programmed in Programmable initial CRC value register |
<> | 156:95d6b41a828b | 285 | * @retval None |
<> | 156:95d6b41a828b | 286 | */ |
<> | 156:95d6b41a828b | 287 | __STATIC_INLINE void LL_CRC_SetInitialData(CRC_TypeDef *CRCx, uint32_t InitCrc) |
<> | 156:95d6b41a828b | 288 | { |
<> | 156:95d6b41a828b | 289 | WRITE_REG(CRCx->INIT, InitCrc); |
<> | 156:95d6b41a828b | 290 | } |
<> | 156:95d6b41a828b | 291 | |
<> | 156:95d6b41a828b | 292 | /** |
<> | 156:95d6b41a828b | 293 | * @brief Return current Initial CRC value. |
<> | 156:95d6b41a828b | 294 | * @note If the CRC size is less than 32 bits, the least significant bits |
<> | 156:95d6b41a828b | 295 | * are used to read the correct value |
<> | 156:95d6b41a828b | 296 | * @rmtoll INIT INIT LL_CRC_GetInitialData |
<> | 156:95d6b41a828b | 297 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 298 | * @retval Value programmed in Programmable initial CRC value register |
<> | 156:95d6b41a828b | 299 | */ |
<> | 156:95d6b41a828b | 300 | __STATIC_INLINE uint32_t LL_CRC_GetInitialData(CRC_TypeDef *CRCx) |
<> | 156:95d6b41a828b | 301 | { |
<> | 156:95d6b41a828b | 302 | return (uint32_t)(READ_REG(CRCx->INIT)); |
<> | 156:95d6b41a828b | 303 | } |
<> | 156:95d6b41a828b | 304 | |
<> | 156:95d6b41a828b | 305 | #if defined(CRC_PROG_POLYNOMIAL_SUPPORT) |
<> | 156:95d6b41a828b | 306 | /** |
<> | 156:95d6b41a828b | 307 | * @brief Initialize the Programmable polynomial value |
<> | 156:95d6b41a828b | 308 | * (coefficients of the polynomial to be used for CRC calculation). |
<> | 156:95d6b41a828b | 309 | * @note This function is available only on devices supporting |
<> | 156:95d6b41a828b | 310 | * Programmable Polynomial feature. |
<> | 156:95d6b41a828b | 311 | * @note LL_CRC_DEFAULT_CRC32_POLY could be used as value for PolynomCoef parameter. |
<> | 156:95d6b41a828b | 312 | * @note Please check Reference Manual and existing Errata Sheets, |
<> | 156:95d6b41a828b | 313 | * regarding possible limitations for Polynomial values usage. |
<> | 156:95d6b41a828b | 314 | * For example, for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65 |
<> | 156:95d6b41a828b | 315 | * @rmtoll POL POL LL_CRC_SetPolynomialCoef |
<> | 156:95d6b41a828b | 316 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 317 | * @param PolynomCoef Value to be programmed in Programmable Polynomial value register |
<> | 156:95d6b41a828b | 318 | * @retval None |
<> | 156:95d6b41a828b | 319 | */ |
<> | 156:95d6b41a828b | 320 | __STATIC_INLINE void LL_CRC_SetPolynomialCoef(CRC_TypeDef *CRCx, uint32_t PolynomCoef) |
<> | 156:95d6b41a828b | 321 | { |
<> | 156:95d6b41a828b | 322 | WRITE_REG(CRCx->POL, PolynomCoef); |
<> | 156:95d6b41a828b | 323 | } |
<> | 156:95d6b41a828b | 324 | |
<> | 156:95d6b41a828b | 325 | /** |
<> | 156:95d6b41a828b | 326 | * @brief Return current Programmable polynomial value |
<> | 156:95d6b41a828b | 327 | * @note This function is available only on devices supporting |
<> | 156:95d6b41a828b | 328 | * Programmable Polynomial feature. |
<> | 156:95d6b41a828b | 329 | * @note Please check Reference Manual and existing Errata Sheets, |
<> | 156:95d6b41a828b | 330 | * regarding possible limitations for Polynomial values usage. |
<> | 156:95d6b41a828b | 331 | * For example, for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65 |
<> | 156:95d6b41a828b | 332 | * @rmtoll POL POL LL_CRC_GetPolynomialCoef |
<> | 156:95d6b41a828b | 333 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 334 | * @retval Value programmed in Programmable Polynomial value register |
<> | 156:95d6b41a828b | 335 | */ |
<> | 156:95d6b41a828b | 336 | __STATIC_INLINE uint32_t LL_CRC_GetPolynomialCoef(CRC_TypeDef *CRCx) |
<> | 156:95d6b41a828b | 337 | { |
<> | 156:95d6b41a828b | 338 | return (uint32_t)(READ_REG(CRCx->POL)); |
<> | 156:95d6b41a828b | 339 | } |
<> | 156:95d6b41a828b | 340 | #endif |
<> | 156:95d6b41a828b | 341 | |
<> | 156:95d6b41a828b | 342 | /** |
<> | 156:95d6b41a828b | 343 | * @} |
<> | 156:95d6b41a828b | 344 | */ |
<> | 156:95d6b41a828b | 345 | |
<> | 156:95d6b41a828b | 346 | /** @defgroup CRC_LL_EF_Data_Management Data_Management |
<> | 156:95d6b41a828b | 347 | * @{ |
<> | 156:95d6b41a828b | 348 | */ |
<> | 156:95d6b41a828b | 349 | |
<> | 156:95d6b41a828b | 350 | /** |
<> | 156:95d6b41a828b | 351 | * @brief Write given 32-bit data to the CRC calculator |
<> | 156:95d6b41a828b | 352 | * @rmtoll DR DR LL_CRC_FeedData32 |
<> | 156:95d6b41a828b | 353 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 354 | * @param InData value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFFFFFF |
<> | 156:95d6b41a828b | 355 | * @retval None |
<> | 156:95d6b41a828b | 356 | */ |
<> | 156:95d6b41a828b | 357 | __STATIC_INLINE void LL_CRC_FeedData32(CRC_TypeDef *CRCx, uint32_t InData) |
<> | 156:95d6b41a828b | 358 | { |
<> | 156:95d6b41a828b | 359 | WRITE_REG(CRCx->DR, InData); |
<> | 156:95d6b41a828b | 360 | } |
<> | 156:95d6b41a828b | 361 | |
<> | 156:95d6b41a828b | 362 | /** |
<> | 156:95d6b41a828b | 363 | * @brief Write given 16-bit data to the CRC calculator |
<> | 156:95d6b41a828b | 364 | * @rmtoll DR DR LL_CRC_FeedData16 |
<> | 156:95d6b41a828b | 365 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 366 | * @param InData 16 bit value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFF |
<> | 156:95d6b41a828b | 367 | * @retval None |
<> | 156:95d6b41a828b | 368 | */ |
<> | 156:95d6b41a828b | 369 | __STATIC_INLINE void LL_CRC_FeedData16(CRC_TypeDef *CRCx, uint16_t InData) |
<> | 156:95d6b41a828b | 370 | { |
<> | 156:95d6b41a828b | 371 | *(uint16_t __IO *)(&CRCx->DR) = (uint16_t) InData; |
<> | 156:95d6b41a828b | 372 | } |
<> | 156:95d6b41a828b | 373 | |
<> | 156:95d6b41a828b | 374 | /** |
<> | 156:95d6b41a828b | 375 | * @brief Write given 8-bit data to the CRC calculator |
<> | 156:95d6b41a828b | 376 | * @rmtoll DR DR LL_CRC_FeedData8 |
<> | 156:95d6b41a828b | 377 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 378 | * @param InData 8 bit value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFF |
<> | 156:95d6b41a828b | 379 | * @retval None |
<> | 156:95d6b41a828b | 380 | */ |
<> | 156:95d6b41a828b | 381 | __STATIC_INLINE void LL_CRC_FeedData8(CRC_TypeDef *CRCx, uint8_t InData) |
<> | 156:95d6b41a828b | 382 | { |
<> | 156:95d6b41a828b | 383 | *(uint8_t __IO *)(&CRCx->DR) = (uint8_t) InData; |
<> | 156:95d6b41a828b | 384 | } |
<> | 156:95d6b41a828b | 385 | |
<> | 156:95d6b41a828b | 386 | /** |
<> | 156:95d6b41a828b | 387 | * @brief Return current CRC calculation result. 32 bits value is returned. |
<> | 156:95d6b41a828b | 388 | * @rmtoll DR DR LL_CRC_ReadData32 |
<> | 156:95d6b41a828b | 389 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 390 | * @retval Current CRC calculation result as stored in CRC_DR register (32 bits). |
<> | 156:95d6b41a828b | 391 | */ |
<> | 156:95d6b41a828b | 392 | __STATIC_INLINE uint32_t LL_CRC_ReadData32(CRC_TypeDef *CRCx) |
<> | 156:95d6b41a828b | 393 | { |
<> | 156:95d6b41a828b | 394 | return (uint32_t)(READ_REG(CRCx->DR)); |
<> | 156:95d6b41a828b | 395 | } |
<> | 156:95d6b41a828b | 396 | |
<> | 156:95d6b41a828b | 397 | #if defined(CRC_PROG_POLYNOMIAL_SUPPORT) |
<> | 156:95d6b41a828b | 398 | /** |
<> | 156:95d6b41a828b | 399 | * @brief Return current CRC calculation result. 16 bits value is returned. |
<> | 156:95d6b41a828b | 400 | * @note This function is expected to be used in a 16 bits CRC polynomial size context. |
<> | 156:95d6b41a828b | 401 | * @note This function is available only on devices supporting |
<> | 156:95d6b41a828b | 402 | * Programmable Polynomial feature. |
<> | 156:95d6b41a828b | 403 | * @rmtoll DR DR LL_CRC_ReadData16 |
<> | 156:95d6b41a828b | 404 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 405 | * @retval Current CRC calculation result as stored in CRC_DR register (16 bits). |
<> | 156:95d6b41a828b | 406 | */ |
<> | 156:95d6b41a828b | 407 | __STATIC_INLINE uint16_t LL_CRC_ReadData16(CRC_TypeDef *CRCx) |
<> | 156:95d6b41a828b | 408 | { |
<> | 156:95d6b41a828b | 409 | return (uint16_t)READ_REG(CRCx->DR); |
<> | 156:95d6b41a828b | 410 | } |
<> | 156:95d6b41a828b | 411 | |
<> | 156:95d6b41a828b | 412 | /** |
<> | 156:95d6b41a828b | 413 | * @brief Return current CRC calculation result. 8 bits value is returned. |
<> | 156:95d6b41a828b | 414 | * @note This function is expected to be used in a 8 bits CRC polynomial size context. |
<> | 156:95d6b41a828b | 415 | * @note This function is available only on devices supporting |
<> | 156:95d6b41a828b | 416 | * Programmable Polynomial feature. |
<> | 156:95d6b41a828b | 417 | * @rmtoll DR DR LL_CRC_ReadData8 |
<> | 156:95d6b41a828b | 418 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 419 | * @retval Current CRC calculation result as stored in CRC_DR register (8 bits). |
<> | 156:95d6b41a828b | 420 | */ |
<> | 156:95d6b41a828b | 421 | __STATIC_INLINE uint8_t LL_CRC_ReadData8(CRC_TypeDef *CRCx) |
<> | 156:95d6b41a828b | 422 | { |
<> | 156:95d6b41a828b | 423 | return (uint8_t)READ_REG(CRCx->DR); |
<> | 156:95d6b41a828b | 424 | } |
<> | 156:95d6b41a828b | 425 | |
<> | 156:95d6b41a828b | 426 | /** |
<> | 156:95d6b41a828b | 427 | * @brief Return current CRC calculation result. 7 bits value is returned. |
<> | 156:95d6b41a828b | 428 | * @note This function is expected to be used in a 7 bits CRC polynomial size context. |
<> | 156:95d6b41a828b | 429 | * @note This function is available only on devices supporting |
<> | 156:95d6b41a828b | 430 | * Programmable Polynomial feature. |
<> | 156:95d6b41a828b | 431 | * @rmtoll DR DR LL_CRC_ReadData7 |
<> | 156:95d6b41a828b | 432 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 433 | * @retval Current CRC calculation result as stored in CRC_DR register (7 bits). |
<> | 156:95d6b41a828b | 434 | */ |
<> | 156:95d6b41a828b | 435 | __STATIC_INLINE uint8_t LL_CRC_ReadData7(CRC_TypeDef *CRCx) |
<> | 156:95d6b41a828b | 436 | { |
<> | 156:95d6b41a828b | 437 | return (uint8_t)(READ_REG(CRCx->DR) & 0x7FU); |
<> | 156:95d6b41a828b | 438 | } |
<> | 156:95d6b41a828b | 439 | #endif |
<> | 156:95d6b41a828b | 440 | |
<> | 156:95d6b41a828b | 441 | /** |
<> | 156:95d6b41a828b | 442 | * @brief Return data stored in the Independent Data(IDR) register. |
<> | 156:95d6b41a828b | 443 | * @note This register can be used as a temporary storage location for one byte. |
<> | 156:95d6b41a828b | 444 | * @rmtoll IDR IDR LL_CRC_Read_IDR |
<> | 156:95d6b41a828b | 445 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 446 | * @retval Value stored in CRC_IDR register (General-purpose 8-bit data register). |
<> | 156:95d6b41a828b | 447 | */ |
<> | 156:95d6b41a828b | 448 | __STATIC_INLINE uint32_t LL_CRC_Read_IDR(CRC_TypeDef *CRCx) |
<> | 156:95d6b41a828b | 449 | { |
<> | 156:95d6b41a828b | 450 | return (uint32_t)(READ_REG(CRCx->IDR)); |
<> | 156:95d6b41a828b | 451 | } |
<> | 156:95d6b41a828b | 452 | |
<> | 156:95d6b41a828b | 453 | /** |
<> | 156:95d6b41a828b | 454 | * @brief Store data in the Independent Data(IDR) register. |
<> | 156:95d6b41a828b | 455 | * @note This register can be used as a temporary storage location for one byte. |
<> | 156:95d6b41a828b | 456 | * @rmtoll IDR IDR LL_CRC_Write_IDR |
<> | 156:95d6b41a828b | 457 | * @param CRCx CRC Instance |
<> | 156:95d6b41a828b | 458 | * @param InData value to be stored in CRC_IDR register (8-bit) between between Min_Data=0 and Max_Data=0xFF |
<> | 156:95d6b41a828b | 459 | * @retval None |
<> | 156:95d6b41a828b | 460 | */ |
<> | 156:95d6b41a828b | 461 | __STATIC_INLINE void LL_CRC_Write_IDR(CRC_TypeDef *CRCx, uint32_t InData) |
<> | 156:95d6b41a828b | 462 | { |
<> | 156:95d6b41a828b | 463 | *((uint8_t __IO *)(&CRCx->IDR)) = (uint8_t) InData; |
<> | 156:95d6b41a828b | 464 | } |
<> | 156:95d6b41a828b | 465 | /** |
<> | 156:95d6b41a828b | 466 | * @} |
<> | 156:95d6b41a828b | 467 | */ |
<> | 156:95d6b41a828b | 468 | |
<> | 156:95d6b41a828b | 469 | #if defined(USE_FULL_LL_DRIVER) |
<> | 156:95d6b41a828b | 470 | /** @defgroup CRC_LL_EF_Init Initialization and de-initialization functions |
<> | 156:95d6b41a828b | 471 | * @{ |
<> | 156:95d6b41a828b | 472 | */ |
<> | 156:95d6b41a828b | 473 | |
<> | 156:95d6b41a828b | 474 | ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx); |
<> | 156:95d6b41a828b | 475 | |
<> | 156:95d6b41a828b | 476 | /** |
<> | 156:95d6b41a828b | 477 | * @} |
<> | 156:95d6b41a828b | 478 | */ |
<> | 156:95d6b41a828b | 479 | #endif /* USE_FULL_LL_DRIVER */ |
<> | 156:95d6b41a828b | 480 | |
<> | 156:95d6b41a828b | 481 | /** |
<> | 156:95d6b41a828b | 482 | * @} |
<> | 156:95d6b41a828b | 483 | */ |
<> | 156:95d6b41a828b | 484 | |
<> | 156:95d6b41a828b | 485 | /** |
<> | 156:95d6b41a828b | 486 | * @} |
<> | 156:95d6b41a828b | 487 | */ |
<> | 156:95d6b41a828b | 488 | |
<> | 156:95d6b41a828b | 489 | #endif /* defined(CRC) */ |
<> | 156:95d6b41a828b | 490 | |
<> | 156:95d6b41a828b | 491 | /** |
<> | 156:95d6b41a828b | 492 | * @} |
<> | 156:95d6b41a828b | 493 | */ |
<> | 156:95d6b41a828b | 494 | |
<> | 156:95d6b41a828b | 495 | #ifdef __cplusplus |
<> | 156:95d6b41a828b | 496 | } |
<> | 156:95d6b41a828b | 497 | #endif |
<> | 156:95d6b41a828b | 498 | |
<> | 156:95d6b41a828b | 499 | #endif /* __STM32F0xx_LL_CRC_H */ |
<> | 156:95d6b41a828b | 500 | |
<> | 156:95d6b41a828b | 501 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |