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targets/cmsis/TARGET_STM/TARGET_STM32F3XX/stm32f30x_crc.c@637:ed69428d4850, 2015-12-22 (annotated)

Committer:
jaerts
Date:
Tue Dec 22 13:22:16 2015 +0000
Revision:
637:ed69428d4850
Parent:
155:8435094ec241 
Add very shady LPC1768 CAN Filter implementation

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UserRevisionLine numberNew contents of line
mbed_official 155:8435094ec241 1 /**
mbed_official 155:8435094ec241 2 ******************************************************************************
mbed_official 155:8435094ec241 3 * @file stm32f30x_crc.c
mbed_official 155:8435094ec241 4 * @author MCD Application Team
mbed_official 155:8435094ec241 5 * @version V1.1.0
mbed_official 155:8435094ec241 6 * @date 27-February-2014
mbed_official 155:8435094ec241 7 * @brief This file provides firmware functions to manage the following
mbed_official 155:8435094ec241 8 * functionalities of CRC computation unit peripheral:
mbed_official 155:8435094ec241 9 * + Configuration of the CRC computation unit
mbed_official 155:8435094ec241 10 * + CRC computation of one/many 32-bit data
mbed_official 155:8435094ec241 11 * + CRC Independent register (IDR) access
mbed_official 155:8435094ec241 12 *
mbed_official 155:8435094ec241 13 @verbatim
mbed_official 155:8435094ec241 14
mbed_official 155:8435094ec241 15 ===============================================================================
mbed_official 155:8435094ec241 16 ##### How to use this driver #####
mbed_official 155:8435094ec241 17 ===============================================================================
mbed_official 155:8435094ec241 18 [..]
mbed_official 155:8435094ec241 19 (#) Enable CRC AHB clock using RCC_AHBPeriphClockCmd(RCC_AHBPeriph_CRC, ENABLE)
mbed_official 155:8435094ec241 20 function.
mbed_official 155:8435094ec241 21 (#) Select the polynomial size: 7-bit, 8-bit, 16-bit or 32-bit.
mbed_official 155:8435094ec241 22 (#) Set the polynomial coefficients using CRC_SetPolynomial();
mbed_official 155:8435094ec241 23 (#) If required, select the reverse operation on input data
mbed_official 155:8435094ec241 24 using CRC_ReverseInputDataSelect();
mbed_official 155:8435094ec241 25 (#) If required, enable the reverse operation on output data
mbed_official 155:8435094ec241 26 using CRC_ReverseOutputDataCmd(Enable);
mbed_official 155:8435094ec241 27 (#) If required, set the initialization remainder value using
mbed_official 155:8435094ec241 28 CRC_SetInitRegister();
mbed_official 155:8435094ec241 29 (#) use CRC_CalcCRC() function to compute the CRC of a 32-bit data
mbed_official 155:8435094ec241 30 or use CRC_CalcBlockCRC() function to compute the CRC if a 32-bit
mbed_official 155:8435094ec241 31 data buffer.
mbed_official 155:8435094ec241 32
mbed_official 155:8435094ec241 33 @endverbatim
mbed_official 155:8435094ec241 34
mbed_official 155:8435094ec241 35 ******************************************************************************
mbed_official 155:8435094ec241 36 * @attention
mbed_official 155:8435094ec241 37 *
mbed_official 155:8435094ec241 38 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
mbed_official 155:8435094ec241 39 *
mbed_official 155:8435094ec241 40 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 155:8435094ec241 41 * are permitted provided that the following conditions are met:
mbed_official 155:8435094ec241 42 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 155:8435094ec241 43 * this list of conditions and the following disclaimer.
mbed_official 155:8435094ec241 44 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 155:8435094ec241 45 * this list of conditions and the following disclaimer in the documentation
mbed_official 155:8435094ec241 46 * and/or other materials provided with the distribution.
mbed_official 155:8435094ec241 47 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 155:8435094ec241 48 * may be used to endorse or promote products derived from this software
mbed_official 155:8435094ec241 49 * without specific prior written permission.
mbed_official 155:8435094ec241 50 *
mbed_official 155:8435094ec241 51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 155:8435094ec241 52 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 155:8435094ec241 53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 155:8435094ec241 54 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 155:8435094ec241 55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 155:8435094ec241 56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 155:8435094ec241 57 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 155:8435094ec241 58 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 155:8435094ec241 59 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 155:8435094ec241 60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 155:8435094ec241 61 *
mbed_official 155:8435094ec241 62 ******************************************************************************
mbed_official 155:8435094ec241 63 */
mbed_official 155:8435094ec241 64
mbed_official 155:8435094ec241 65 /* Includes ------------------------------------------------------------------*/
mbed_official 155:8435094ec241 66 #include "stm32f30x_crc.h"
mbed_official 155:8435094ec241 67
mbed_official 155:8435094ec241 68 /** @addtogroup STM32F30x_StdPeriph_Driver
mbed_official 155:8435094ec241 69 * @{
mbed_official 155:8435094ec241 70 */
mbed_official 155:8435094ec241 71
mbed_official 155:8435094ec241 72 /** @defgroup CRC
mbed_official 155:8435094ec241 73 * @brief CRC driver modules
mbed_official 155:8435094ec241 74 * @{
mbed_official 155:8435094ec241 75 */
mbed_official 155:8435094ec241 76
mbed_official 155:8435094ec241 77 /* Private typedef -----------------------------------------------------------*/
mbed_official 155:8435094ec241 78 /* Private define ------------------------------------------------------------*/
mbed_official 155:8435094ec241 79 /* Private macro -------------------------------------------------------------*/
mbed_official 155:8435094ec241 80 /* Private variables ---------------------------------------------------------*/
mbed_official 155:8435094ec241 81 /* Private function prototypes -----------------------------------------------*/
mbed_official 155:8435094ec241 82 /* Private functions ---------------------------------------------------------*/
mbed_official 155:8435094ec241 83
mbed_official 155:8435094ec241 84 /** @defgroup CRC_Private_Functions
mbed_official 155:8435094ec241 85 * @{
mbed_official 155:8435094ec241 86 */
mbed_official 155:8435094ec241 87
mbed_official 155:8435094ec241 88 /** @defgroup CRC_Group1 Configuration of the CRC computation unit functions
mbed_official 155:8435094ec241 89 * @brief Configuration of the CRC computation unit functions
mbed_official 155:8435094ec241 90 *
mbed_official 155:8435094ec241 91 @verbatim
mbed_official 155:8435094ec241 92 ===============================================================================
mbed_official 155:8435094ec241 93 ##### CRC configuration functions #####
mbed_official 155:8435094ec241 94 ===============================================================================
mbed_official 155:8435094ec241 95
mbed_official 155:8435094ec241 96 @endverbatim
mbed_official 155:8435094ec241 97 * @{
mbed_official 155:8435094ec241 98 */
mbed_official 155:8435094ec241 99
mbed_official 155:8435094ec241 100 /**
mbed_official 155:8435094ec241 101 * @brief Deinitializes CRC peripheral registers to their default reset values.
mbed_official 155:8435094ec241 102 * @param None
mbed_official 155:8435094ec241 103 * @retval None
mbed_official 155:8435094ec241 104 */
mbed_official 155:8435094ec241 105 void CRC_DeInit(void)
mbed_official 155:8435094ec241 106 {
mbed_official 155:8435094ec241 107 /* Set DR register to reset value */
mbed_official 155:8435094ec241 108 CRC->DR = 0xFFFFFFFF;
mbed_official 155:8435094ec241 109 /* Set the POL register to the reset value: 0x04C11DB7 */
mbed_official 155:8435094ec241 110 CRC->POL = 0x04C11DB7;
mbed_official 155:8435094ec241 111 /* Reset IDR register */
mbed_official 155:8435094ec241 112 CRC->IDR = 0x00;
mbed_official 155:8435094ec241 113 /* Set INIT register to reset value */
mbed_official 155:8435094ec241 114 CRC->INIT = 0xFFFFFFFF;
mbed_official 155:8435094ec241 115 /* Reset the CRC calculation unit */
mbed_official 155:8435094ec241 116 CRC->CR = CRC_CR_RESET;
mbed_official 155:8435094ec241 117 }
mbed_official 155:8435094ec241 118
mbed_official 155:8435094ec241 119 /**
mbed_official 155:8435094ec241 120 * @brief Resets the CRC calculation unit and sets INIT register content in DR register.
mbed_official 155:8435094ec241 121 * @param None
mbed_official 155:8435094ec241 122 * @retval None
mbed_official 155:8435094ec241 123 */
mbed_official 155:8435094ec241 124 void CRC_ResetDR(void)
mbed_official 155:8435094ec241 125 {
mbed_official 155:8435094ec241 126 /* Reset CRC generator */
mbed_official 155:8435094ec241 127 CRC->CR |= CRC_CR_RESET;
mbed_official 155:8435094ec241 128 }
mbed_official 155:8435094ec241 129
mbed_official 155:8435094ec241 130 /**
mbed_official 155:8435094ec241 131 * @brief Selects the polynomial size.
mbed_official 155:8435094ec241 132 * @param CRC_PolSize: Specifies the polynomial size.
mbed_official 155:8435094ec241 133 * This parameter can be:
mbed_official 155:8435094ec241 134 * @arg CRC_PolSize_7: 7-bit polynomial for CRC calculation
mbed_official 155:8435094ec241 135 * @arg CRC_PolSize_8: 8-bit polynomial for CRC calculation
mbed_official 155:8435094ec241 136 * @arg CRC_PolSize_16: 16-bit polynomial for CRC calculation
mbed_official 155:8435094ec241 137 * @arg CRC_PolSize_32: 32-bit polynomial for CRC calculation
mbed_official 155:8435094ec241 138 * @retval None
mbed_official 155:8435094ec241 139 */
mbed_official 155:8435094ec241 140 void CRC_PolynomialSizeSelect(uint32_t CRC_PolSize)
mbed_official 155:8435094ec241 141 {
mbed_official 155:8435094ec241 142 uint32_t tmpcr = 0;
mbed_official 155:8435094ec241 143
mbed_official 155:8435094ec241 144 /* Check the parameter */
mbed_official 155:8435094ec241 145 assert_param(IS_CRC_POL_SIZE(CRC_PolSize));
mbed_official 155:8435094ec241 146
mbed_official 155:8435094ec241 147 /* Get CR register value */
mbed_official 155:8435094ec241 148 tmpcr = CRC->CR;
mbed_official 155:8435094ec241 149
mbed_official 155:8435094ec241 150 /* Reset POL_SIZE bits */
mbed_official 155:8435094ec241 151 tmpcr &= (uint32_t)~((uint32_t)CRC_CR_POLSIZE);
mbed_official 155:8435094ec241 152 /* Set the polynomial size */
mbed_official 155:8435094ec241 153 tmpcr |= (uint32_t)CRC_PolSize;
mbed_official 155:8435094ec241 154
mbed_official 155:8435094ec241 155 /* Write to CR register */
mbed_official 155:8435094ec241 156 CRC->CR = (uint32_t)tmpcr;
mbed_official 155:8435094ec241 157 }
mbed_official 155:8435094ec241 158
mbed_official 155:8435094ec241 159 /**
mbed_official 155:8435094ec241 160 * @brief Selects the reverse operation to be performed on input data.
mbed_official 155:8435094ec241 161 * @param CRC_ReverseInputData: Specifies the reverse operation on input data.
mbed_official 155:8435094ec241 162 * This parameter can be:
mbed_official 155:8435094ec241 163 * @arg CRC_ReverseInputData_No: No reverse operation is performed
mbed_official 155:8435094ec241 164 * @arg CRC_ReverseInputData_8bits: reverse operation performed on 8 bits
mbed_official 155:8435094ec241 165 * @arg CRC_ReverseInputData_16bits: reverse operation performed on 16 bits
mbed_official 155:8435094ec241 166 * @arg CRC_ReverseInputData_32bits: reverse operation performed on 32 bits
mbed_official 155:8435094ec241 167 * @retval None
mbed_official 155:8435094ec241 168 */
mbed_official 155:8435094ec241 169 void CRC_ReverseInputDataSelect(uint32_t CRC_ReverseInputData)
mbed_official 155:8435094ec241 170 {
mbed_official 155:8435094ec241 171 uint32_t tmpcr = 0;
mbed_official 155:8435094ec241 172
mbed_official 155:8435094ec241 173 /* Check the parameter */
mbed_official 155:8435094ec241 174 assert_param(IS_CRC_REVERSE_INPUT_DATA(CRC_ReverseInputData));
mbed_official 155:8435094ec241 175
mbed_official 155:8435094ec241 176 /* Get CR register value */
mbed_official 155:8435094ec241 177 tmpcr = CRC->CR;
mbed_official 155:8435094ec241 178
mbed_official 155:8435094ec241 179 /* Reset REV_IN bits */
mbed_official 155:8435094ec241 180 tmpcr &= (uint32_t)~((uint32_t)CRC_CR_REV_IN);
mbed_official 155:8435094ec241 181 /* Set the reverse operation */
mbed_official 155:8435094ec241 182 tmpcr |= (uint32_t)CRC_ReverseInputData;
mbed_official 155:8435094ec241 183
mbed_official 155:8435094ec241 184 /* Write to CR register */
mbed_official 155:8435094ec241 185 CRC->CR = (uint32_t)tmpcr;
mbed_official 155:8435094ec241 186 }
mbed_official 155:8435094ec241 187
mbed_official 155:8435094ec241 188 /**
mbed_official 155:8435094ec241 189 * @brief Enables or disable the reverse operation on output data.
mbed_official 155:8435094ec241 190 * The reverse operation on output data is performed on 32-bit.
mbed_official 155:8435094ec241 191 * @param NewState: new state of the reverse operation on output data.
mbed_official 155:8435094ec241 192 * This parameter can be: ENABLE or DISABLE.
mbed_official 155:8435094ec241 193 * @retval None
mbed_official 155:8435094ec241 194 */
mbed_official 155:8435094ec241 195 void CRC_ReverseOutputDataCmd(FunctionalState NewState)
mbed_official 155:8435094ec241 196 {
mbed_official 155:8435094ec241 197 /* Check the parameters */
mbed_official 155:8435094ec241 198 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 155:8435094ec241 199
mbed_official 155:8435094ec241 200 if (NewState != DISABLE)
mbed_official 155:8435094ec241 201 {
mbed_official 155:8435094ec241 202 /* Enable reverse operation on output data */
mbed_official 155:8435094ec241 203 CRC->CR |= CRC_CR_REV_OUT;
mbed_official 155:8435094ec241 204 }
mbed_official 155:8435094ec241 205 else
mbed_official 155:8435094ec241 206 {
mbed_official 155:8435094ec241 207 /* Disable reverse operation on output data */
mbed_official 155:8435094ec241 208 CRC->CR &= (uint32_t)~((uint32_t)CRC_CR_REV_OUT);
mbed_official 155:8435094ec241 209 }
mbed_official 155:8435094ec241 210 }
mbed_official 155:8435094ec241 211
mbed_official 155:8435094ec241 212 /**
mbed_official 155:8435094ec241 213 * @brief Initializes the INIT register.
mbed_official 155:8435094ec241 214 * @note After resetting CRC calculation unit, CRC_InitValue is stored in DR register
mbed_official 155:8435094ec241 215 * @param CRC_InitValue: Programmable initial CRC value
mbed_official 155:8435094ec241 216 * @retval None
mbed_official 155:8435094ec241 217 */
mbed_official 155:8435094ec241 218 void CRC_SetInitRegister(uint32_t CRC_InitValue)
mbed_official 155:8435094ec241 219 {
mbed_official 155:8435094ec241 220 CRC->INIT = CRC_InitValue;
mbed_official 155:8435094ec241 221 }
mbed_official 155:8435094ec241 222
mbed_official 155:8435094ec241 223 /**
mbed_official 155:8435094ec241 224 * @brief Initializes the polynomail coefficients.
mbed_official 155:8435094ec241 225 * @param CRC_Pol: Polynomial to be used for CRC calculation.
mbed_official 155:8435094ec241 226 * @retval None
mbed_official 155:8435094ec241 227 */
mbed_official 155:8435094ec241 228 void CRC_SetPolynomial(uint32_t CRC_Pol)
mbed_official 155:8435094ec241 229 {
mbed_official 155:8435094ec241 230 CRC->POL = CRC_Pol;
mbed_official 155:8435094ec241 231 }
mbed_official 155:8435094ec241 232
mbed_official 155:8435094ec241 233 /**
mbed_official 155:8435094ec241 234 * @}
mbed_official 155:8435094ec241 235 */
mbed_official 155:8435094ec241 236
mbed_official 155:8435094ec241 237 /** @defgroup CRC_Group2 CRC computation of one/many 32-bit data functions
mbed_official 155:8435094ec241 238 * @brief CRC computation of one/many 32-bit data functions
mbed_official 155:8435094ec241 239 *
mbed_official 155:8435094ec241 240 @verbatim
mbed_official 155:8435094ec241 241 ===============================================================================
mbed_official 155:8435094ec241 242 ##### CRC computation functions #####
mbed_official 155:8435094ec241 243 ===============================================================================
mbed_official 155:8435094ec241 244
mbed_official 155:8435094ec241 245 @endverbatim
mbed_official 155:8435094ec241 246 * @{
mbed_official 155:8435094ec241 247 */
mbed_official 155:8435094ec241 248
mbed_official 155:8435094ec241 249 /**
mbed_official 155:8435094ec241 250 * @brief Computes the 32-bit CRC of a given data word(32-bit).
mbed_official 155:8435094ec241 251 * @param CRC_Data: data word(32-bit) to compute its CRC
mbed_official 155:8435094ec241 252 * @retval 32-bit CRC
mbed_official 155:8435094ec241 253 */
mbed_official 155:8435094ec241 254 uint32_t CRC_CalcCRC(uint32_t CRC_Data)
mbed_official 155:8435094ec241 255 {
mbed_official 155:8435094ec241 256 CRC->DR = CRC_Data;
mbed_official 155:8435094ec241 257
mbed_official 155:8435094ec241 258 return (CRC->DR);
mbed_official 155:8435094ec241 259 }
mbed_official 155:8435094ec241 260
mbed_official 155:8435094ec241 261 /**
mbed_official 155:8435094ec241 262 * @brief Computes the 16-bit CRC of a given 16-bit data.
mbed_official 155:8435094ec241 263 * @param CRC_Data: data half-word(16-bit) to compute its CRC
mbed_official 155:8435094ec241 264 * @retval 16-bit CRC
mbed_official 155:8435094ec241 265 */
mbed_official 155:8435094ec241 266 uint32_t CRC_CalcCRC16bits(uint16_t CRC_Data)
mbed_official 155:8435094ec241 267 {
mbed_official 155:8435094ec241 268 *(uint16_t*)(CRC_BASE) = (uint16_t) CRC_Data;
mbed_official 155:8435094ec241 269
mbed_official 155:8435094ec241 270 return (CRC->DR);
mbed_official 155:8435094ec241 271 }
mbed_official 155:8435094ec241 272
mbed_official 155:8435094ec241 273 /**
mbed_official 155:8435094ec241 274 * @brief Computes the 8-bit CRC of a given 8-bit data.
mbed_official 155:8435094ec241 275 * @param CRC_Data: 8-bit data to compute its CRC
mbed_official 155:8435094ec241 276 * @retval 8-bit CRC
mbed_official 155:8435094ec241 277 */
mbed_official 155:8435094ec241 278 uint32_t CRC_CalcCRC8bits(uint8_t CRC_Data)
mbed_official 155:8435094ec241 279 {
mbed_official 155:8435094ec241 280 *(uint8_t*)(CRC_BASE) = (uint8_t) CRC_Data;
mbed_official 155:8435094ec241 281
mbed_official 155:8435094ec241 282 return (CRC->DR);
mbed_official 155:8435094ec241 283 }
mbed_official 155:8435094ec241 284
mbed_official 155:8435094ec241 285 /**
mbed_official 155:8435094ec241 286 * @brief Computes the 32-bit CRC of a given buffer of data word(32-bit).
mbed_official 155:8435094ec241 287 * @param pBuffer: pointer to the buffer containing the data to be computed
mbed_official 155:8435094ec241 288 * @param BufferLength: length of the buffer to be computed
mbed_official 155:8435094ec241 289 * @retval 32-bit CRC
mbed_official 155:8435094ec241 290 */
mbed_official 155:8435094ec241 291 uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength)
mbed_official 155:8435094ec241 292 {
mbed_official 155:8435094ec241 293 uint32_t index = 0;
mbed_official 155:8435094ec241 294
mbed_official 155:8435094ec241 295 for(index = 0; index < BufferLength; index++)
mbed_official 155:8435094ec241 296 {
mbed_official 155:8435094ec241 297 CRC->DR = pBuffer[index];
mbed_official 155:8435094ec241 298 }
mbed_official 155:8435094ec241 299 return (CRC->DR);
mbed_official 155:8435094ec241 300 }
mbed_official 155:8435094ec241 301
mbed_official 155:8435094ec241 302 /**
mbed_official 155:8435094ec241 303 * @brief Returns the current CRC value.
mbed_official 155:8435094ec241 304 * @param None
mbed_official 155:8435094ec241 305 * @retval 32-bit CRC
mbed_official 155:8435094ec241 306 */
mbed_official 155:8435094ec241 307 uint32_t CRC_GetCRC(void)
mbed_official 155:8435094ec241 308 {
mbed_official 155:8435094ec241 309 return (CRC->DR);
mbed_official 155:8435094ec241 310 }
mbed_official 155:8435094ec241 311
mbed_official 155:8435094ec241 312 /**
mbed_official 155:8435094ec241 313 * @}
mbed_official 155:8435094ec241 314 */
mbed_official 155:8435094ec241 315
mbed_official 155:8435094ec241 316 /** @defgroup CRC_Group3 CRC Independent Register (IDR) access functions
mbed_official 155:8435094ec241 317 * @brief CRC Independent Register (IDR) access (write/read) functions
mbed_official 155:8435094ec241 318 *
mbed_official 155:8435094ec241 319 @verbatim
mbed_official 155:8435094ec241 320 ===============================================================================
mbed_official 155:8435094ec241 321 ##### CRC Independent Register (IDR) access functions #####
mbed_official 155:8435094ec241 322 ===============================================================================
mbed_official 155:8435094ec241 323
mbed_official 155:8435094ec241 324 @endverbatim
mbed_official 155:8435094ec241 325 * @{
mbed_official 155:8435094ec241 326 */
mbed_official 155:8435094ec241 327
mbed_official 155:8435094ec241 328 /**
mbed_official 155:8435094ec241 329 * @brief Stores an 8-bit data in the Independent Data(ID) register.
mbed_official 155:8435094ec241 330 * @param CRC_IDValue: 8-bit value to be stored in the ID register
mbed_official 155:8435094ec241 331 * @retval None
mbed_official 155:8435094ec241 332 */
mbed_official 155:8435094ec241 333 void CRC_SetIDRegister(uint8_t CRC_IDValue)
mbed_official 155:8435094ec241 334 {
mbed_official 155:8435094ec241 335 CRC->IDR = CRC_IDValue;
mbed_official 155:8435094ec241 336 }
mbed_official 155:8435094ec241 337
mbed_official 155:8435094ec241 338 /**
mbed_official 155:8435094ec241 339 * @brief Returns the 8-bit data stored in the Independent Data(ID) register
mbed_official 155:8435094ec241 340 * @param None
mbed_official 155:8435094ec241 341 * @retval 8-bit value of the ID register
mbed_official 155:8435094ec241 342 */
mbed_official 155:8435094ec241 343 uint8_t CRC_GetIDRegister(void)
mbed_official 155:8435094ec241 344 {
mbed_official 155:8435094ec241 345 return (CRC->IDR);
mbed_official 155:8435094ec241 346 }
mbed_official 155:8435094ec241 347
mbed_official 155:8435094ec241 348 /**
mbed_official 155:8435094ec241 349 * @}
mbed_official 155:8435094ec241 350 */
mbed_official 155:8435094ec241 351
mbed_official 155:8435094ec241 352 /**
mbed_official 155:8435094ec241 353 * @}
mbed_official 155:8435094ec241 354 */
mbed_official 155:8435094ec241 355
mbed_official 155:8435094ec241 356 /**
mbed_official 155:8435094ec241 357 * @}
mbed_official 155:8435094ec241 358 */
mbed_official 155:8435094ec241 359
mbed_official 155:8435094ec241 360 /**
mbed_official 155:8435094ec241 361 * @}
mbed_official 155:8435094ec241 362 */
mbed_official 155:8435094ec241 363
mbed_official 155:8435094ec241 364 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/