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TARGET_NUCLEO_F103RB/TOOLCHAIN_GCC_ARM/stm32f1xx_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 171:3a7713b1edbc 1 /**
AnnaBridge 171:3a7713b1edbc 2 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 3 * @file stm32f1xx_ll_crc.h
AnnaBridge 171:3a7713b1edbc 4 * @author MCD Application Team
AnnaBridge 171:3a7713b1edbc 5 * @brief Header file of CRC LL module.
AnnaBridge 171:3a7713b1edbc 6 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 7 * @attention
AnnaBridge 171:3a7713b1edbc 8 *
AnnaBridge 171:3a7713b1edbc 9 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
AnnaBridge 171:3a7713b1edbc 10 *
AnnaBridge 171:3a7713b1edbc 11 * Redistribution and use in source and binary forms, with or without modification,
AnnaBridge 171:3a7713b1edbc 12 * are permitted provided that the following conditions are met:
AnnaBridge 171:3a7713b1edbc 13 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 171:3a7713b1edbc 14 * this list of conditions and the following disclaimer.
AnnaBridge 171:3a7713b1edbc 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 171:3a7713b1edbc 16 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 171:3a7713b1edbc 17 * and/or other materials provided with the distribution.
AnnaBridge 171:3a7713b1edbc 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 171:3a7713b1edbc 19 * may be used to endorse or promote products derived from this software
AnnaBridge 171:3a7713b1edbc 20 * without specific prior written permission.
AnnaBridge 171:3a7713b1edbc 21 *
AnnaBridge 171:3a7713b1edbc 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 171:3a7713b1edbc 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 171:3a7713b1edbc 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 171:3a7713b1edbc 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 171:3a7713b1edbc 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 171:3a7713b1edbc 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 171:3a7713b1edbc 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 171:3a7713b1edbc 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 171:3a7713b1edbc 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 171:3a7713b1edbc 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 171:3a7713b1edbc 32 *
AnnaBridge 171:3a7713b1edbc 33 ******************************************************************************
AnnaBridge 171:3a7713b1edbc 34 */
AnnaBridge 171:3a7713b1edbc 35
AnnaBridge 171:3a7713b1edbc 36 /* Define to prevent recursive inclusion -------------------------------------*/
AnnaBridge 171:3a7713b1edbc 37 #ifndef __STM32F1xx_LL_CRC_H
AnnaBridge 171:3a7713b1edbc 38 #define __STM32F1xx_LL_CRC_H
AnnaBridge 171:3a7713b1edbc 39
AnnaBridge 171:3a7713b1edbc 40 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 41 extern "C" {
AnnaBridge 171:3a7713b1edbc 42 #endif
AnnaBridge 171:3a7713b1edbc 43
AnnaBridge 171:3a7713b1edbc 44 /* Includes ------------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 45 #include "stm32f1xx.h"
AnnaBridge 171:3a7713b1edbc 46
AnnaBridge 171:3a7713b1edbc 47 /** @addtogroup STM32F1xx_LL_Driver
AnnaBridge 171:3a7713b1edbc 48 * @{
AnnaBridge 171:3a7713b1edbc 49 */
AnnaBridge 171:3a7713b1edbc 50
AnnaBridge 171:3a7713b1edbc 51 #if defined(CRC)
AnnaBridge 171:3a7713b1edbc 52
AnnaBridge 171:3a7713b1edbc 53 /** @defgroup CRC_LL CRC
AnnaBridge 171:3a7713b1edbc 54 * @{
AnnaBridge 171:3a7713b1edbc 55 */
AnnaBridge 171:3a7713b1edbc 56
AnnaBridge 171:3a7713b1edbc 57 /* Private types -------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 58 /* Private variables ---------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 59 /* Private constants ---------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 60 /* Private macros ------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 61
AnnaBridge 171:3a7713b1edbc 62 /* Exported types ------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 63 /* Exported constants --------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 64
AnnaBridge 171:3a7713b1edbc 65 /* Exported macro ------------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 66 /** @defgroup CRC_LL_Exported_Macros CRC Exported Macros
AnnaBridge 171:3a7713b1edbc 67 * @{
AnnaBridge 171:3a7713b1edbc 68 */
AnnaBridge 171:3a7713b1edbc 69
AnnaBridge 171:3a7713b1edbc 70 /** @defgroup CRC_LL_EM_WRITE_READ Common Write and read registers Macros
AnnaBridge 171:3a7713b1edbc 71 * @{
AnnaBridge 171:3a7713b1edbc 72 */
AnnaBridge 171:3a7713b1edbc 73
AnnaBridge 171:3a7713b1edbc 74 /**
AnnaBridge 171:3a7713b1edbc 75 * @brief Write a value in CRC register
AnnaBridge 171:3a7713b1edbc 76 * @param __INSTANCE__ CRC Instance
AnnaBridge 171:3a7713b1edbc 77 * @param __REG__ Register to be written
AnnaBridge 171:3a7713b1edbc 78 * @param __VALUE__ Value to be written in the register
AnnaBridge 171:3a7713b1edbc 79 * @retval None
AnnaBridge 171:3a7713b1edbc 80 */
AnnaBridge 171:3a7713b1edbc 81 #define LL_CRC_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__))
AnnaBridge 171:3a7713b1edbc 82
AnnaBridge 171:3a7713b1edbc 83 /**
AnnaBridge 171:3a7713b1edbc 84 * @brief Read a value in CRC register
AnnaBridge 171:3a7713b1edbc 85 * @param __INSTANCE__ CRC Instance
AnnaBridge 171:3a7713b1edbc 86 * @param __REG__ Register to be read
AnnaBridge 171:3a7713b1edbc 87 * @retval Register value
AnnaBridge 171:3a7713b1edbc 88 */
AnnaBridge 171:3a7713b1edbc 89 #define LL_CRC_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__)
AnnaBridge 171:3a7713b1edbc 90 /**
AnnaBridge 171:3a7713b1edbc 91 * @}
AnnaBridge 171:3a7713b1edbc 92 */
AnnaBridge 171:3a7713b1edbc 93
AnnaBridge 171:3a7713b1edbc 94 /**
AnnaBridge 171:3a7713b1edbc 95 * @}
AnnaBridge 171:3a7713b1edbc 96 */
AnnaBridge 171:3a7713b1edbc 97
AnnaBridge 171:3a7713b1edbc 98
AnnaBridge 171:3a7713b1edbc 99 /* Exported functions --------------------------------------------------------*/
AnnaBridge 171:3a7713b1edbc 100 /** @defgroup CRC_LL_Exported_Functions CRC Exported Functions
AnnaBridge 171:3a7713b1edbc 101 * @{
AnnaBridge 171:3a7713b1edbc 102 */
AnnaBridge 171:3a7713b1edbc 103
AnnaBridge 171:3a7713b1edbc 104 /** @defgroup CRC_LL_EF_Configuration CRC Configuration functions
AnnaBridge 171:3a7713b1edbc 105 * @{
AnnaBridge 171:3a7713b1edbc 106 */
AnnaBridge 171:3a7713b1edbc 107
AnnaBridge 171:3a7713b1edbc 108 /**
AnnaBridge 171:3a7713b1edbc 109 * @brief Reset the CRC calculation unit.
AnnaBridge 171:3a7713b1edbc 110 * @rmtoll CR RESET LL_CRC_ResetCRCCalculationUnit
AnnaBridge 171:3a7713b1edbc 111 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 112 * @retval None
AnnaBridge 171:3a7713b1edbc 113 */
AnnaBridge 171:3a7713b1edbc 114 __STATIC_INLINE void LL_CRC_ResetCRCCalculationUnit(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 115 {
AnnaBridge 171:3a7713b1edbc 116 WRITE_REG(CRCx->CR, CRC_CR_RESET);
AnnaBridge 171:3a7713b1edbc 117 }
AnnaBridge 171:3a7713b1edbc 118
AnnaBridge 171:3a7713b1edbc 119 /**
AnnaBridge 171:3a7713b1edbc 120 * @}
AnnaBridge 171:3a7713b1edbc 121 */
AnnaBridge 171:3a7713b1edbc 122
AnnaBridge 171:3a7713b1edbc 123 /** @defgroup CRC_LL_EF_Data_Management Data_Management
AnnaBridge 171:3a7713b1edbc 124 * @{
AnnaBridge 171:3a7713b1edbc 125 */
AnnaBridge 171:3a7713b1edbc 126
AnnaBridge 171:3a7713b1edbc 127 /**
AnnaBridge 171:3a7713b1edbc 128 * @brief Write given 32-bit data to the CRC calculator
AnnaBridge 171:3a7713b1edbc 129 * @rmtoll DR DR LL_CRC_FeedData32
AnnaBridge 171:3a7713b1edbc 130 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 131 * @param InData value to be provided to CRC calculator between between Min_Data=0 and Max_Data=0xFFFFFFFF
AnnaBridge 171:3a7713b1edbc 132 * @retval None
AnnaBridge 171:3a7713b1edbc 133 */
AnnaBridge 171:3a7713b1edbc 134 __STATIC_INLINE void LL_CRC_FeedData32(CRC_TypeDef *CRCx, uint32_t InData)
AnnaBridge 171:3a7713b1edbc 135 {
AnnaBridge 171:3a7713b1edbc 136 WRITE_REG(CRCx->DR, InData);
AnnaBridge 171:3a7713b1edbc 137 }
AnnaBridge 171:3a7713b1edbc 138
AnnaBridge 171:3a7713b1edbc 139 /**
AnnaBridge 171:3a7713b1edbc 140 * @brief Return current CRC calculation result. 32 bits value is returned.
AnnaBridge 171:3a7713b1edbc 141 * @rmtoll DR DR LL_CRC_ReadData32
AnnaBridge 171:3a7713b1edbc 142 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 143 * @retval Current CRC calculation result as stored in CRC_DR register (32 bits).
AnnaBridge 171:3a7713b1edbc 144 */
AnnaBridge 171:3a7713b1edbc 145 __STATIC_INLINE uint32_t LL_CRC_ReadData32(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 146 {
AnnaBridge 171:3a7713b1edbc 147 return (uint32_t)(READ_REG(CRCx->DR));
AnnaBridge 171:3a7713b1edbc 148 }
AnnaBridge 171:3a7713b1edbc 149
AnnaBridge 171:3a7713b1edbc 150 /**
AnnaBridge 171:3a7713b1edbc 151 * @brief Return data stored in the Independent Data(IDR) register.
AnnaBridge 171:3a7713b1edbc 152 * @note This register can be used as a temporary storage location for one byte.
AnnaBridge 171:3a7713b1edbc 153 * @rmtoll IDR IDR LL_CRC_Read_IDR
AnnaBridge 171:3a7713b1edbc 154 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 155 * @retval Value stored in CRC_IDR register (General-purpose 8-bit data register).
AnnaBridge 171:3a7713b1edbc 156 */
AnnaBridge 171:3a7713b1edbc 157 __STATIC_INLINE uint32_t LL_CRC_Read_IDR(CRC_TypeDef *CRCx)
AnnaBridge 171:3a7713b1edbc 158 {
AnnaBridge 171:3a7713b1edbc 159 return (uint32_t)(READ_REG(CRCx->IDR));
AnnaBridge 171:3a7713b1edbc 160 }
AnnaBridge 171:3a7713b1edbc 161
AnnaBridge 171:3a7713b1edbc 162 /**
AnnaBridge 171:3a7713b1edbc 163 * @brief Store data in the Independent Data(IDR) register.
AnnaBridge 171:3a7713b1edbc 164 * @note This register can be used as a temporary storage location for one byte.
AnnaBridge 171:3a7713b1edbc 165 * @rmtoll IDR IDR LL_CRC_Write_IDR
AnnaBridge 171:3a7713b1edbc 166 * @param CRCx CRC Instance
AnnaBridge 171:3a7713b1edbc 167 * @param InData value to be stored in CRC_IDR register (8-bit) between between Min_Data=0 and Max_Data=0xFF
AnnaBridge 171:3a7713b1edbc 168 * @retval None
AnnaBridge 171:3a7713b1edbc 169 */
AnnaBridge 171:3a7713b1edbc 170 __STATIC_INLINE void LL_CRC_Write_IDR(CRC_TypeDef *CRCx, uint32_t InData)
AnnaBridge 171:3a7713b1edbc 171 {
AnnaBridge 171:3a7713b1edbc 172 *((uint8_t __IO *)(&CRCx->IDR)) = (uint8_t) InData;
AnnaBridge 171:3a7713b1edbc 173 }
AnnaBridge 171:3a7713b1edbc 174 /**
AnnaBridge 171:3a7713b1edbc 175 * @}
AnnaBridge 171:3a7713b1edbc 176 */
AnnaBridge 171:3a7713b1edbc 177
AnnaBridge 171:3a7713b1edbc 178 #if defined(USE_FULL_LL_DRIVER)
AnnaBridge 171:3a7713b1edbc 179 /** @defgroup CRC_LL_EF_Init Initialization and de-initialization functions
AnnaBridge 171:3a7713b1edbc 180 * @{
AnnaBridge 171:3a7713b1edbc 181 */
AnnaBridge 171:3a7713b1edbc 182
AnnaBridge 171:3a7713b1edbc 183 ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx);
AnnaBridge 171:3a7713b1edbc 184
AnnaBridge 171:3a7713b1edbc 185 /**
AnnaBridge 171:3a7713b1edbc 186 * @}
AnnaBridge 171:3a7713b1edbc 187 */
AnnaBridge 171:3a7713b1edbc 188 #endif /* USE_FULL_LL_DRIVER */
AnnaBridge 171:3a7713b1edbc 189
AnnaBridge 171:3a7713b1edbc 190 /**
AnnaBridge 171:3a7713b1edbc 191 * @}
AnnaBridge 171:3a7713b1edbc 192 */
AnnaBridge 171:3a7713b1edbc 193
AnnaBridge 171:3a7713b1edbc 194 /**
AnnaBridge 171:3a7713b1edbc 195 * @}
AnnaBridge 171:3a7713b1edbc 196 */
AnnaBridge 171:3a7713b1edbc 197
AnnaBridge 171:3a7713b1edbc 198 #endif /* defined(CRC) */
AnnaBridge 171:3a7713b1edbc 199
AnnaBridge 171:3a7713b1edbc 200 /**
AnnaBridge 171:3a7713b1edbc 201 * @}
AnnaBridge 171:3a7713b1edbc 202 */
AnnaBridge 171:3a7713b1edbc 203
AnnaBridge 171:3a7713b1edbc 204 #ifdef __cplusplus
AnnaBridge 171:3a7713b1edbc 205 }
AnnaBridge 171:3a7713b1edbc 206 #endif
AnnaBridge 171:3a7713b1edbc 207
AnnaBridge 171:3a7713b1edbc 208 #endif /* __STM32F1xx_LL_CRC_H */
AnnaBridge 171:3a7713b1edbc 209
AnnaBridge 171:3a7713b1edbc 210 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/