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TARGET_ELMO_F411RE/TOOLCHAIN_GCC_ARM/stm32f4xx_ll_crc.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 145:64910690c574 1 /**
AnnaBridge 145:64910690c574 2 ******************************************************************************
AnnaBridge 145:64910690c574 3 * @file stm32f4xx_ll_crc.h
AnnaBridge 145:64910690c574 4 * @author MCD Application Team
AnnaBridge 145:64910690c574 5 * @brief Header file of CRC LL module.
AnnaBridge 145:64910690c574 6 ******************************************************************************
AnnaBridge 145:64910690c574 7 * @attention
AnnaBridge 145:64910690c574 8 *
AnnaBridge 145:64910690c574 9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
AnnaBridge 145:64910690c574 10 *
AnnaBridge 145:64910690c574 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 145:64910690c574 12 * are permitted provided that the following conditions are met:
AnnaBridge 145:64910690c574 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 145:64910690c574 14 * this list of conditions and the following disclaimer.
AnnaBridge 145:64910690c574 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 145:64910690c574 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 145:64910690c574 17 * and/or other materials provided with the distribution.
AnnaBridge 145:64910690c574 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 145:64910690c574 19 * may be used to endorse or promote products derived from this software
AnnaBridge 145:64910690c574 20 * without specific prior written permission.
AnnaBridge 145:64910690c574 21 *
AnnaBridge 145:64910690c574 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 145:64910690c574 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 145:64910690c574 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 145:64910690c574 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 145:64910690c574 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 145:64910690c574 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 145:64910690c574 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 145:64910690c574 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 145:64910690c574 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 145:64910690c574 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 145:64910690c574 32 *
AnnaBridge 145:64910690c574 33 ******************************************************************************
AnnaBridge 145:64910690c574 34 */
AnnaBridge 145:64910690c574 35
AnnaBridge 145:64910690c574 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 145:64910690c574 37 #ifndef __STM32F4xx_LL_CRC_H
AnnaBridge 145:64910690c574 38 #define __STM32F4xx_LL_CRC_H
AnnaBridge 145:64910690c574 39
AnnaBridge 145:64910690c574 40 #ifdef __cplusplus
AnnaBridge 145:64910690c574 41 extern "C" {
AnnaBridge 145:64910690c574 42 #endif
AnnaBridge 145:64910690c574 43
AnnaBridge 145:64910690c574 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 145:64910690c574 45 #include "stm32f4xx.h"
AnnaBridge 145:64910690c574 46
AnnaBridge 145:64910690c574 47 /** @addtogroup STM32F4xx_LL_Driver
AnnaBridge 145:64910690c574 48 * @{
AnnaBridge 145:64910690c574 49 */
AnnaBridge 145:64910690c574 50
AnnaBridge 145:64910690c574 51 #if defined(CRC)
AnnaBridge 145:64910690c574 52
AnnaBridge 145:64910690c574 53 /** @defgroup CRC_LL CRC
AnnaBridge 145:64910690c574 54 * @{
AnnaBridge 145:64910690c574 55 */
AnnaBridge 145:64910690c574 56
AnnaBridge 145:64910690c574 57 /* Private types -------------------------------------------------------------*/
AnnaBridge 145:64910690c574 58 /* Private variables ---------------------------------------------------------*/
AnnaBridge 145:64910690c574 59 /* Private constants ---------------------------------------------------------*/
AnnaBridge 145:64910690c574 60 /* Private macros ------------------------------------------------------------*/
AnnaBridge 145:64910690c574 61
AnnaBridge 145:64910690c574 62 /* Exported types ------------------------------------------------------------*/
AnnaBridge 145:64910690c574 63 /* Exported constants --------------------------------------------------------*/
AnnaBridge 145:64910690c574 64
AnnaBridge 145:64910690c574 65 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 145:64910690c574 66 /** @defgroup CRC_LL_Exported_Macros CRC Exported Macros
AnnaBridge 145:64910690c574 67 * @{
AnnaBridge 145:64910690c574 68 */
AnnaBridge 145:64910690c574 69
AnnaBridge 145:64910690c574 70 /** @defgroup CRC_LL_EM_WRITE_READ Common Write and read registers Macros
AnnaBridge 145:64910690c574 71 * @{
AnnaBridge 145:64910690c574 72 */
AnnaBridge 145:64910690c574 73
AnnaBridge 145:64910690c574 74 /**
AnnaBridge 145:64910690c574 75 * @brief Write a value in CRC register
AnnaBridge 145:64910690c574 76 * @param __INSTANCE__ CRC Instance
AnnaBridge 145:64910690c574 77 * @param __REG__ Register to be written
AnnaBridge 145:64910690c574 78 * @param __VALUE__ Value to be written in the register
AnnaBridge 145:64910690c574 79 * @retval None
AnnaBridge 145:64910690c574 80 */
AnnaBridge 145:64910690c574 81 #define LL_CRC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
AnnaBridge 145:64910690c574 82
AnnaBridge 145:64910690c574 83 /**
AnnaBridge 145:64910690c574 84 * @brief Read a value in CRC register
AnnaBridge 145:64910690c574 85 * @param __INSTANCE__ CRC Instance
AnnaBridge 145:64910690c574 86 * @param __REG__ Register to be read
AnnaBridge 145:64910690c574 87 * @retval Register value
AnnaBridge 145:64910690c574 88 */
AnnaBridge 145:64910690c574 89 #define LL_CRC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
AnnaBridge 145:64910690c574 90 /**
AnnaBridge 145:64910690c574 91 * @}
AnnaBridge 145:64910690c574 92 */
AnnaBridge 145:64910690c574 93
AnnaBridge 145:64910690c574 94 /**
AnnaBridge 145:64910690c574 95 * @}
AnnaBridge 145:64910690c574 96 */
AnnaBridge 145:64910690c574 97
AnnaBridge 145:64910690c574 98
AnnaBridge 145:64910690c574 99 /* Exported functions --------------------------------------------------------*/
AnnaBridge 145:64910690c574 100 /** @defgroup CRC_LL_Exported_Functions CRC Exported Functions
AnnaBridge 145:64910690c574 101 * @{
AnnaBridge 145:64910690c574 102 */
AnnaBridge 145:64910690c574 103
AnnaBridge 145:64910690c574 104 /** @defgroup CRC_LL_EF_Configuration CRC Configuration functions
AnnaBridge 145:64910690c574 105 * @{
AnnaBridge 145:64910690c574 106 */
AnnaBridge 145:64910690c574 107
AnnaBridge 145:64910690c574 108 /**
AnnaBridge 145:64910690c574 109 * @brief Reset the CRC calculation unit.
AnnaBridge 145:64910690c574 110 * @rmtoll CR RESET LL_CRC_ResetCRCCalculationUnit
AnnaBridge 145:64910690c574 111 * @param CRCx CRC Instance
AnnaBridge 145:64910690c574 112 * @retval None
AnnaBridge 145:64910690c574 113 */
AnnaBridge 145:64910690c574 114 __STATIC_INLINE void LL_CRC_ResetCRCCalculationUnit(CRC_TypeDef *CRCx)
AnnaBridge 145:64910690c574 115 {
AnnaBridge 145:64910690c574 116 WRITE_REG(CRCx->CR, CRC_CR_RESET);
AnnaBridge 145:64910690c574 117 }
AnnaBridge 145:64910690c574 118
AnnaBridge 145:64910690c574 119 /**
AnnaBridge 145:64910690c574 120 * @}
AnnaBridge 145:64910690c574 121 */
AnnaBridge 145:64910690c574 122
AnnaBridge 145:64910690c574 123 /** @defgroup CRC_LL_EF_Data_Management Data_Management
AnnaBridge 145:64910690c574 124 * @{
AnnaBridge 145:64910690c574 125 */
AnnaBridge 145:64910690c574 126
AnnaBridge 145:64910690c574 127 /**
AnnaBridge 145:64910690c574 128 * @brief Write given 32-bit data to the CRC calculator
AnnaBridge 145:64910690c574 129 * @rmtoll DR DR LL_CRC_FeedData32
AnnaBridge 145:64910690c574 130 * @param CRCx CRC Instance
AnnaBridge 145:64910690c574 131 * @param InData value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFFFFFF
AnnaBridge 145:64910690c574 132 * @retval None
AnnaBridge 145:64910690c574 133 */
AnnaBridge 145:64910690c574 134 __STATIC_INLINE void LL_CRC_FeedData32(CRC_TypeDef *CRCx, uint32_t InData)
AnnaBridge 145:64910690c574 135 {
AnnaBridge 145:64910690c574 136 WRITE_REG(CRCx->DR, InData);
AnnaBridge 145:64910690c574 137 }
AnnaBridge 145:64910690c574 138
AnnaBridge 145:64910690c574 139 /**
AnnaBridge 145:64910690c574 140 * @brief Return current CRC calculation result. 32 bits value is returned.
AnnaBridge 145:64910690c574 141 * @rmtoll DR DR LL_CRC_ReadData32
AnnaBridge 145:64910690c574 142 * @param CRCx CRC Instance
AnnaBridge 145:64910690c574 143 * @retval Current CRC calculation result as stored in CRC_DR register (32 bits).
AnnaBridge 145:64910690c574 144 */
AnnaBridge 145:64910690c574 145 __STATIC_INLINE uint32_t LL_CRC_ReadData32(CRC_TypeDef *CRCx)
AnnaBridge 145:64910690c574 146 {
AnnaBridge 145:64910690c574 147 return (uint32_t)(READ_REG(CRCx->DR));
AnnaBridge 145:64910690c574 148 }
AnnaBridge 145:64910690c574 149
AnnaBridge 145:64910690c574 150 /**
AnnaBridge 145:64910690c574 151 * @brief Return data stored in the Independent Data(IDR) register.
AnnaBridge 145:64910690c574 152 * @note This register can be used as a temporary storage location for one byte.
AnnaBridge 145:64910690c574 153 * @rmtoll IDR IDR LL_CRC_Read_IDR
AnnaBridge 145:64910690c574 154 * @param CRCx CRC Instance
AnnaBridge 145:64910690c574 155 * @retval Value stored in CRC_IDR register (General-purpose 8-bit data register).
AnnaBridge 145:64910690c574 156 */
AnnaBridge 145:64910690c574 157 __STATIC_INLINE uint32_t LL_CRC_Read_IDR(CRC_TypeDef *CRCx)
AnnaBridge 145:64910690c574 158 {
AnnaBridge 145:64910690c574 159 return (uint32_t)(READ_REG(CRCx->IDR));
AnnaBridge 145:64910690c574 160 }
AnnaBridge 145:64910690c574 161
AnnaBridge 145:64910690c574 162 /**
AnnaBridge 145:64910690c574 163 * @brief Store data in the Independent Data(IDR) register.
AnnaBridge 145:64910690c574 164 * @note This register can be used as a temporary storage location for one byte.
AnnaBridge 145:64910690c574 165 * @rmtoll IDR IDR LL_CRC_Write_IDR
AnnaBridge 145:64910690c574 166 * @param CRCx CRC Instance
AnnaBridge 145:64910690c574 167 * @param InData value to be stored in CRC_IDR register (8-bit) between between Min_Data=0 and Max_Data=0xFF
AnnaBridge 145:64910690c574 168 * @retval None
AnnaBridge 145:64910690c574 169 */
AnnaBridge 145:64910690c574 170 __STATIC_INLINE void LL_CRC_Write_IDR(CRC_TypeDef *CRCx, uint32_t InData)
AnnaBridge 145:64910690c574 171 {
AnnaBridge 145:64910690c574 172 *((uint8_t __IO *)(&CRCx->IDR)) = (uint8_t) InData;
AnnaBridge 145:64910690c574 173 }
AnnaBridge 145:64910690c574 174 /**
AnnaBridge 145:64910690c574 175 * @}
AnnaBridge 145:64910690c574 176 */
AnnaBridge 145:64910690c574 177
AnnaBridge 145:64910690c574 178 #if defined(USE_FULL_LL_DRIVER)
AnnaBridge 145:64910690c574 179 /** @defgroup CRC_LL_EF_Init Initialization and de-initialization functions
AnnaBridge 145:64910690c574 180 * @{
AnnaBridge 145:64910690c574 181 */
AnnaBridge 145:64910690c574 182
AnnaBridge 145:64910690c574 183 ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx);
AnnaBridge 145:64910690c574 184
AnnaBridge 145:64910690c574 185 /**
AnnaBridge 145:64910690c574 186 * @}
AnnaBridge 145:64910690c574 187 */
AnnaBridge 145:64910690c574 188 #endif /* USE_FULL_LL_DRIVER */
AnnaBridge 145:64910690c574 189
AnnaBridge 145:64910690c574 190 /**
AnnaBridge 145:64910690c574 191 * @}
AnnaBridge 145:64910690c574 192 */
AnnaBridge 145:64910690c574 193
AnnaBridge 145:64910690c574 194 /**
AnnaBridge 145:64910690c574 195 * @}
AnnaBridge 145:64910690c574 196 */
AnnaBridge 145:64910690c574 197
AnnaBridge 145:64910690c574 198 #endif /* defined(CRC) */
AnnaBridge 145:64910690c574 199
AnnaBridge 145:64910690c574 200 /**
AnnaBridge 145:64910690c574 201 * @}
AnnaBridge 145:64910690c574 202 */
AnnaBridge 145:64910690c574 203
AnnaBridge 145:64910690c574 204 #ifdef __cplusplus
AnnaBridge 145:64910690c574 205 }
AnnaBridge 145:64910690c574 206 #endif
AnnaBridge 145:64910690c574 207
AnnaBridge 145:64910690c574 208 #endif /* __STM32F4xx_LL_CRC_H */
AnnaBridge 145:64910690c574 209
AnnaBridge 145:64910690c574 210 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/