mbed library sources
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_NUCLEO_F091RC/stm32f0xx_hal_crc_ex.c@340:28d1f895c6fe, 2014-10-09 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Oct 09 08:15:07 2014 +0100
- Revision:
- 340:28d1f895c6fe
Synchronized with git revision b5a4c8e80393336b2656fb29ab46d405d3068602
Full URL: https://github.com/mbedmicro/mbed/commit/b5a4c8e80393336b2656fb29ab46d405d3068602/
HAL: nrf51822 - Few fixes for PWM and Serial
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 340:28d1f895c6fe | 1 | /** |
mbed_official | 340:28d1f895c6fe | 2 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 3 | * @file stm32f0xx_hal_crc_ex.c |
mbed_official | 340:28d1f895c6fe | 4 | * @author MCD Application Team |
mbed_official | 340:28d1f895c6fe | 5 | * @version V1.1.0 |
mbed_official | 340:28d1f895c6fe | 6 | * @date 03-Oct-2014 |
mbed_official | 340:28d1f895c6fe | 7 | * @brief Extended CRC HAL module driver. |
mbed_official | 340:28d1f895c6fe | 8 | * This file provides firmware functions to manage the following |
mbed_official | 340:28d1f895c6fe | 9 | * functionalities of the CRC peripheral: |
mbed_official | 340:28d1f895c6fe | 10 | * + Extended initialization functions |
mbed_official | 340:28d1f895c6fe | 11 | * |
mbed_official | 340:28d1f895c6fe | 12 | @verbatim |
mbed_official | 340:28d1f895c6fe | 13 | ================================================================================ |
mbed_official | 340:28d1f895c6fe | 14 | ##### Product specific features ##### |
mbed_official | 340:28d1f895c6fe | 15 | ================================================================================ |
mbed_official | 340:28d1f895c6fe | 16 | |
mbed_official | 340:28d1f895c6fe | 17 | ##### How to use this driver ##### |
mbed_official | 340:28d1f895c6fe | 18 | ================================================================================ |
mbed_official | 340:28d1f895c6fe | 19 | [..] |
mbed_official | 340:28d1f895c6fe | 20 | (+) Extended initialization |
mbed_official | 340:28d1f895c6fe | 21 | (+) Set or not user-defined generating |
mbed_official | 340:28d1f895c6fe | 22 | polynomial other than default one |
mbed_official | 340:28d1f895c6fe | 23 | |
mbed_official | 340:28d1f895c6fe | 24 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 25 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 26 | * @attention |
mbed_official | 340:28d1f895c6fe | 27 | * |
mbed_official | 340:28d1f895c6fe | 28 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 340:28d1f895c6fe | 29 | * |
mbed_official | 340:28d1f895c6fe | 30 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 340:28d1f895c6fe | 31 | * are permitted provided that the following conditions are met: |
mbed_official | 340:28d1f895c6fe | 32 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 340:28d1f895c6fe | 33 | * this list of conditions and the following disclaimer. |
mbed_official | 340:28d1f895c6fe | 34 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 340:28d1f895c6fe | 35 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 340:28d1f895c6fe | 36 | * and/or other materials provided with the distribution. |
mbed_official | 340:28d1f895c6fe | 37 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 340:28d1f895c6fe | 38 | * may be used to endorse or promote products derived from this software |
mbed_official | 340:28d1f895c6fe | 39 | * without specific prior written permission. |
mbed_official | 340:28d1f895c6fe | 40 | * |
mbed_official | 340:28d1f895c6fe | 41 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 340:28d1f895c6fe | 42 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 340:28d1f895c6fe | 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 340:28d1f895c6fe | 44 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 340:28d1f895c6fe | 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 340:28d1f895c6fe | 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 340:28d1f895c6fe | 47 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 340:28d1f895c6fe | 48 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 340:28d1f895c6fe | 49 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 340:28d1f895c6fe | 50 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 340:28d1f895c6fe | 51 | * |
mbed_official | 340:28d1f895c6fe | 52 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 53 | */ |
mbed_official | 340:28d1f895c6fe | 54 | |
mbed_official | 340:28d1f895c6fe | 55 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 56 | #include "stm32f0xx_hal.h" |
mbed_official | 340:28d1f895c6fe | 57 | |
mbed_official | 340:28d1f895c6fe | 58 | /** @addtogroup STM32F0xx_HAL_Driver |
mbed_official | 340:28d1f895c6fe | 59 | * @{ |
mbed_official | 340:28d1f895c6fe | 60 | */ |
mbed_official | 340:28d1f895c6fe | 61 | |
mbed_official | 340:28d1f895c6fe | 62 | /** @defgroup CRCEx CRCEx Extended HAL Module Driver |
mbed_official | 340:28d1f895c6fe | 63 | * @brief CRC Extended HAL module driver |
mbed_official | 340:28d1f895c6fe | 64 | * @{ |
mbed_official | 340:28d1f895c6fe | 65 | */ |
mbed_official | 340:28d1f895c6fe | 66 | |
mbed_official | 340:28d1f895c6fe | 67 | #ifdef HAL_CRC_MODULE_ENABLED |
mbed_official | 340:28d1f895c6fe | 68 | |
mbed_official | 340:28d1f895c6fe | 69 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 70 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 71 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 72 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 73 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 74 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 75 | |
mbed_official | 340:28d1f895c6fe | 76 | /** @defgroup CRCEx_Exported_Functions CRCEx Exported Functions |
mbed_official | 340:28d1f895c6fe | 77 | * @{ |
mbed_official | 340:28d1f895c6fe | 78 | */ |
mbed_official | 340:28d1f895c6fe | 79 | |
mbed_official | 340:28d1f895c6fe | 80 | /** @defgroup CRCEx_Exported_Functions_Group1 Extended Initialization/de-initialization functions |
mbed_official | 340:28d1f895c6fe | 81 | * @brief Extended Initialization and Configuration functions. |
mbed_official | 340:28d1f895c6fe | 82 | * |
mbed_official | 340:28d1f895c6fe | 83 | @verbatim |
mbed_official | 340:28d1f895c6fe | 84 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 85 | ##### Initialization and Configuration functions ##### |
mbed_official | 340:28d1f895c6fe | 86 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 87 | [..] This section provides functions allowing to: |
mbed_official | 340:28d1f895c6fe | 88 | (+) Initialize the CRC generating polynomial: if programmable polynomial |
mbed_official | 340:28d1f895c6fe | 89 | feature is applicable to device, set default or non-default generating |
mbed_official | 340:28d1f895c6fe | 90 | polynomial according to hcrc->Init.DefaultPolynomialUse parameter. |
mbed_official | 340:28d1f895c6fe | 91 | If feature is non-applicable to device in use, HAL_CRCEx_Init straight |
mbed_official | 340:28d1f895c6fe | 92 | away reports HAL_OK. |
mbed_official | 340:28d1f895c6fe | 93 | (+) Set the generating polynomial |
mbed_official | 340:28d1f895c6fe | 94 | |
mbed_official | 340:28d1f895c6fe | 95 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 96 | * @{ |
mbed_official | 340:28d1f895c6fe | 97 | */ |
mbed_official | 340:28d1f895c6fe | 98 | |
mbed_official | 340:28d1f895c6fe | 99 | |
mbed_official | 340:28d1f895c6fe | 100 | /** |
mbed_official | 340:28d1f895c6fe | 101 | * @brief Extended initialization to set generating polynomial |
mbed_official | 340:28d1f895c6fe | 102 | * @param hcrc: CRC handle |
mbed_official | 340:28d1f895c6fe | 103 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 104 | */ |
mbed_official | 340:28d1f895c6fe | 105 | HAL_StatusTypeDef HAL_CRCEx_Init(CRC_HandleTypeDef *hcrc) |
mbed_official | 340:28d1f895c6fe | 106 | { |
mbed_official | 340:28d1f895c6fe | 107 | #if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F091xC) || defined (STM32F098xx) |
mbed_official | 340:28d1f895c6fe | 108 | /* check whether or not non-default generating polynomial has been |
mbed_official | 340:28d1f895c6fe | 109 | * picked up by user */ |
mbed_official | 340:28d1f895c6fe | 110 | assert_param(IS_DEFAULT_POLYNOMIAL(hcrc->Init.DefaultPolynomialUse)); |
mbed_official | 340:28d1f895c6fe | 111 | if (hcrc->Init.DefaultPolynomialUse == DEFAULT_POLYNOMIAL_ENABLE) |
mbed_official | 340:28d1f895c6fe | 112 | { |
mbed_official | 340:28d1f895c6fe | 113 | /* initialize IP with default generating polynomial */ |
mbed_official | 340:28d1f895c6fe | 114 | WRITE_REG(hcrc->Instance->POL, DEFAULT_CRC32_POLY); |
mbed_official | 340:28d1f895c6fe | 115 | MODIFY_REG(hcrc->Instance->CR, CRC_CR_POLYSIZE, CRC_POLYLENGTH_32B); |
mbed_official | 340:28d1f895c6fe | 116 | } |
mbed_official | 340:28d1f895c6fe | 117 | else |
mbed_official | 340:28d1f895c6fe | 118 | { |
mbed_official | 340:28d1f895c6fe | 119 | /* initialize CRC IP with generating polynomial defined by user */ |
mbed_official | 340:28d1f895c6fe | 120 | if (HAL_CRCEx_Polynomial_Set(hcrc, hcrc->Init.GeneratingPolynomial, hcrc->Init.CRCLength) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 121 | { |
mbed_official | 340:28d1f895c6fe | 122 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 123 | } |
mbed_official | 340:28d1f895c6fe | 124 | } |
mbed_official | 340:28d1f895c6fe | 125 | #endif /* defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F091xC) || defined (STM32F098xx) */ |
mbed_official | 340:28d1f895c6fe | 126 | |
mbed_official | 340:28d1f895c6fe | 127 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 128 | } |
mbed_official | 340:28d1f895c6fe | 129 | |
mbed_official | 340:28d1f895c6fe | 130 | /** |
mbed_official | 340:28d1f895c6fe | 131 | * @brief Set the Reverse Input data mode. |
mbed_official | 340:28d1f895c6fe | 132 | * @param hcrc: CRC handle |
mbed_official | 340:28d1f895c6fe | 133 | * @param InputReverseMode: Input Data inversion mode |
mbed_official | 340:28d1f895c6fe | 134 | * This parameter can be one of the following values: |
mbed_official | 340:28d1f895c6fe | 135 | * @arg CRC_INPUTDATA_NOINVERSION: no change in bit order (default value) |
mbed_official | 340:28d1f895c6fe | 136 | * @arg CRC_INPUTDATA_INVERSION_BYTE: Byte-wise bit reversal |
mbed_official | 340:28d1f895c6fe | 137 | * @arg CRC_INPUTDATA_INVERSION_HALFWORD: HalfWord-wise bit reversal |
mbed_official | 340:28d1f895c6fe | 138 | * @arg CRC_INPUTDATA_INVERSION_WORD: Word-wise bit reversal |
mbed_official | 340:28d1f895c6fe | 139 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 140 | */ |
mbed_official | 340:28d1f895c6fe | 141 | HAL_StatusTypeDef HAL_CRCEx_Input_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t InputReverseMode) |
mbed_official | 340:28d1f895c6fe | 142 | { |
mbed_official | 340:28d1f895c6fe | 143 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 144 | assert_param(IS_CRC_INPUTDATA_INVERSION_MODE(InputReverseMode)); |
mbed_official | 340:28d1f895c6fe | 145 | |
mbed_official | 340:28d1f895c6fe | 146 | /* Change CRC peripheral state */ |
mbed_official | 340:28d1f895c6fe | 147 | hcrc->State = HAL_CRC_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 148 | |
mbed_official | 340:28d1f895c6fe | 149 | /* set input data inversion mode */ |
mbed_official | 340:28d1f895c6fe | 150 | MODIFY_REG(hcrc->Instance->CR, CRC_CR_REV_IN, InputReverseMode); |
mbed_official | 340:28d1f895c6fe | 151 | /* Change CRC peripheral state */ |
mbed_official | 340:28d1f895c6fe | 152 | hcrc->State = HAL_CRC_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 153 | |
mbed_official | 340:28d1f895c6fe | 154 | /* Return function status */ |
mbed_official | 340:28d1f895c6fe | 155 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 156 | } |
mbed_official | 340:28d1f895c6fe | 157 | |
mbed_official | 340:28d1f895c6fe | 158 | /** |
mbed_official | 340:28d1f895c6fe | 159 | * @brief Set the Reverse Output data mode. |
mbed_official | 340:28d1f895c6fe | 160 | * @param hcrc: CRC handle |
mbed_official | 340:28d1f895c6fe | 161 | * @param OutputReverseMode: Output Data inversion mode |
mbed_official | 340:28d1f895c6fe | 162 | * This parameter can be one of the following values: |
mbed_official | 340:28d1f895c6fe | 163 | * @arg CRC_OUTPUTDATA_INVERSION_DISABLED: no CRC inversion (default value) |
mbed_official | 340:28d1f895c6fe | 164 | * @arg CRC_OUTPUTDATA_INVERSION_ENABLED: bit-level inversion (e.g for a 8-bit CRC: 0xB5 becomes 0xAD) |
mbed_official | 340:28d1f895c6fe | 165 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 166 | */ |
mbed_official | 340:28d1f895c6fe | 167 | HAL_StatusTypeDef HAL_CRCEx_Output_Data_Reverse(CRC_HandleTypeDef *hcrc, uint32_t OutputReverseMode) |
mbed_official | 340:28d1f895c6fe | 168 | { |
mbed_official | 340:28d1f895c6fe | 169 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 170 | assert_param(IS_CRC_OUTPUTDATA_INVERSION_MODE(OutputReverseMode)); |
mbed_official | 340:28d1f895c6fe | 171 | |
mbed_official | 340:28d1f895c6fe | 172 | /* Change CRC peripheral state */ |
mbed_official | 340:28d1f895c6fe | 173 | hcrc->State = HAL_CRC_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 174 | |
mbed_official | 340:28d1f895c6fe | 175 | /* set output data inversion mode */ |
mbed_official | 340:28d1f895c6fe | 176 | MODIFY_REG(hcrc->Instance->CR, CRC_CR_REV_OUT, OutputReverseMode); |
mbed_official | 340:28d1f895c6fe | 177 | |
mbed_official | 340:28d1f895c6fe | 178 | /* Change CRC peripheral state */ |
mbed_official | 340:28d1f895c6fe | 179 | hcrc->State = HAL_CRC_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 180 | |
mbed_official | 340:28d1f895c6fe | 181 | /* Return function status */ |
mbed_official | 340:28d1f895c6fe | 182 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 183 | } |
mbed_official | 340:28d1f895c6fe | 184 | |
mbed_official | 340:28d1f895c6fe | 185 | #if defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || defined (STM32F091xC) || defined (STM32F098xx) |
mbed_official | 340:28d1f895c6fe | 186 | /** |
mbed_official | 340:28d1f895c6fe | 187 | * @brief Initializes the CRC polynomial if different from default one. |
mbed_official | 340:28d1f895c6fe | 188 | * @param hcrc: CRC handle |
mbed_official | 340:28d1f895c6fe | 189 | * @param Pol: CRC generating polynomial (7, 8, 16 or 32-bit long) |
mbed_official | 340:28d1f895c6fe | 190 | * This parameter is written in normal representation, e.g. |
mbed_official | 340:28d1f895c6fe | 191 | * for a polynomial of degree 7, X^7 + X^6 + X^5 + X^2 + 1 is written 0x65 |
mbed_official | 340:28d1f895c6fe | 192 | * for a polynomial of degree 16, X^16 + X^12 + X^5 + 1 is written 0x1021 |
mbed_official | 340:28d1f895c6fe | 193 | * @param PolyLength: CRC polynomial length |
mbed_official | 340:28d1f895c6fe | 194 | * This parameter can be one of the following values: |
mbed_official | 340:28d1f895c6fe | 195 | * @arg CRC_POLYLENGTH_7B: 7-bit long CRC (generating polynomial of degree 7) |
mbed_official | 340:28d1f895c6fe | 196 | * @arg CRC_POLYLENGTH_8B: 8-bit long CRC (generating polynomial of degree 8) |
mbed_official | 340:28d1f895c6fe | 197 | * @arg CRC_POLYLENGTH_16B: 16-bit long CRC (generating polynomial of degree 16) |
mbed_official | 340:28d1f895c6fe | 198 | * @arg CRC_POLYLENGTH_32B: 32-bit long CRC (generating polynomial of degree 32) |
mbed_official | 340:28d1f895c6fe | 199 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 200 | */ |
mbed_official | 340:28d1f895c6fe | 201 | HAL_StatusTypeDef HAL_CRCEx_Polynomial_Set(CRC_HandleTypeDef *hcrc, uint32_t Pol, uint32_t PolyLength) |
mbed_official | 340:28d1f895c6fe | 202 | { |
mbed_official | 340:28d1f895c6fe | 203 | uint32_t msb = 31; /* polynomial degree is 32 at most, so msb is initialized to max value */ |
mbed_official | 340:28d1f895c6fe | 204 | |
mbed_official | 340:28d1f895c6fe | 205 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 206 | assert_param(IS_CRC_POL_LENGTH(PolyLength)); |
mbed_official | 340:28d1f895c6fe | 207 | |
mbed_official | 340:28d1f895c6fe | 208 | /* check polynomial definition vs polynomial size: |
mbed_official | 340:28d1f895c6fe | 209 | * polynomial length must be aligned with polynomial |
mbed_official | 340:28d1f895c6fe | 210 | * definition. HAL_ERROR is reported if Pol degree is |
mbed_official | 340:28d1f895c6fe | 211 | * larger than that indicated by PolyLength. |
mbed_official | 340:28d1f895c6fe | 212 | * Look for MSB position: msb will contain the degree of |
mbed_official | 340:28d1f895c6fe | 213 | * the second to the largest polynomial member. E.g., for |
mbed_official | 340:28d1f895c6fe | 214 | * X^7 + X^6 + X^5 + X^2 + 1, msb = 6. */ |
mbed_official | 340:28d1f895c6fe | 215 | while (((Pol & (1U << msb)) == 0) && (msb-- > 0)) |
mbed_official | 340:28d1f895c6fe | 216 | {} |
mbed_official | 340:28d1f895c6fe | 217 | |
mbed_official | 340:28d1f895c6fe | 218 | switch (PolyLength) |
mbed_official | 340:28d1f895c6fe | 219 | { |
mbed_official | 340:28d1f895c6fe | 220 | case CRC_POLYLENGTH_7B: |
mbed_official | 340:28d1f895c6fe | 221 | if (msb >= HAL_CRC_LENGTH_7B) |
mbed_official | 340:28d1f895c6fe | 222 | { |
mbed_official | 340:28d1f895c6fe | 223 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 224 | } |
mbed_official | 340:28d1f895c6fe | 225 | break; |
mbed_official | 340:28d1f895c6fe | 226 | case CRC_POLYLENGTH_8B: |
mbed_official | 340:28d1f895c6fe | 227 | if (msb >= HAL_CRC_LENGTH_8B) |
mbed_official | 340:28d1f895c6fe | 228 | { |
mbed_official | 340:28d1f895c6fe | 229 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 230 | } |
mbed_official | 340:28d1f895c6fe | 231 | break; |
mbed_official | 340:28d1f895c6fe | 232 | case CRC_POLYLENGTH_16B: |
mbed_official | 340:28d1f895c6fe | 233 | if (msb >= HAL_CRC_LENGTH_16B) |
mbed_official | 340:28d1f895c6fe | 234 | { |
mbed_official | 340:28d1f895c6fe | 235 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 236 | } |
mbed_official | 340:28d1f895c6fe | 237 | break; |
mbed_official | 340:28d1f895c6fe | 238 | case CRC_POLYLENGTH_32B: |
mbed_official | 340:28d1f895c6fe | 239 | /* no polynomial definition vs. polynomial length issue possible */ |
mbed_official | 340:28d1f895c6fe | 240 | break; |
mbed_official | 340:28d1f895c6fe | 241 | default: |
mbed_official | 340:28d1f895c6fe | 242 | break; |
mbed_official | 340:28d1f895c6fe | 243 | } |
mbed_official | 340:28d1f895c6fe | 244 | |
mbed_official | 340:28d1f895c6fe | 245 | /* set generating polynomial */ |
mbed_official | 340:28d1f895c6fe | 246 | WRITE_REG(hcrc->Instance->POL, Pol); |
mbed_official | 340:28d1f895c6fe | 247 | |
mbed_official | 340:28d1f895c6fe | 248 | /* set generating polynomial size */ |
mbed_official | 340:28d1f895c6fe | 249 | MODIFY_REG(hcrc->Instance->CR, CRC_CR_POLYSIZE, PolyLength); |
mbed_official | 340:28d1f895c6fe | 250 | |
mbed_official | 340:28d1f895c6fe | 251 | /* Return function status */ |
mbed_official | 340:28d1f895c6fe | 252 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 253 | } |
mbed_official | 340:28d1f895c6fe | 254 | #endif /* #if defined (STM32F071xB) || defined (STM32F072xB) || defined (STM32F078xx) || defined (STM32F091xC) || defined (STM32F098xx) */ |
mbed_official | 340:28d1f895c6fe | 255 | |
mbed_official | 340:28d1f895c6fe | 256 | /** |
mbed_official | 340:28d1f895c6fe | 257 | * @} |
mbed_official | 340:28d1f895c6fe | 258 | */ |
mbed_official | 340:28d1f895c6fe | 259 | |
mbed_official | 340:28d1f895c6fe | 260 | |
mbed_official | 340:28d1f895c6fe | 261 | /** |
mbed_official | 340:28d1f895c6fe | 262 | * @} |
mbed_official | 340:28d1f895c6fe | 263 | */ |
mbed_official | 340:28d1f895c6fe | 264 | |
mbed_official | 340:28d1f895c6fe | 265 | |
mbed_official | 340:28d1f895c6fe | 266 | #endif /* HAL_CRC_MODULE_ENABLED */ |
mbed_official | 340:28d1f895c6fe | 267 | /** |
mbed_official | 340:28d1f895c6fe | 268 | * @} |
mbed_official | 340:28d1f895c6fe | 269 | */ |
mbed_official | 340:28d1f895c6fe | 270 | |
mbed_official | 340:28d1f895c6fe | 271 | /** |
mbed_official | 340:28d1f895c6fe | 272 | * @} |
mbed_official | 340:28d1f895c6fe | 273 | */ |
mbed_official | 340:28d1f895c6fe | 274 | |
mbed_official | 340:28d1f895c6fe | 275 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |