mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_STM/TARGET_STM32L4/device/stm32l4xx_ll_crc.c@181:57724642e740, 2018-02-16 (annotated)

Committer:
AnnaBridge
Date:
Fri Feb 16 16:09:33 2018 +0000
Revision:
181:57724642e740
Parent:
167:e84263d55307 
mbed-dev library. Release version 159.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**
<> 144:ef7eb2e8f9f7 2 ******************************************************************************
<> 144:ef7eb2e8f9f7 3 * @file stm32l4xx_ll_crc.c
<> 144:ef7eb2e8f9f7 4 * @author MCD Application Team
<> 144:ef7eb2e8f9f7 5 * @brief CRC LL module driver.
<> 144:ef7eb2e8f9f7 6 ******************************************************************************
<> 144:ef7eb2e8f9f7 7 * @attention
<> 144:ef7eb2e8f9f7 8 *
AnnaBridge 167:e84263d55307 9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
<> 144:ef7eb2e8f9f7 10 *
<> 144:ef7eb2e8f9f7 11 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 12 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 13 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 14 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 16 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 17 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 19 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 20 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 21 *
<> 144:ef7eb2e8f9f7 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 32 *
<> 144:ef7eb2e8f9f7 33 ******************************************************************************
<> 144:ef7eb2e8f9f7 34 */
<> 144:ef7eb2e8f9f7 35 #if defined(USE_FULL_LL_DRIVER)
<> 144:ef7eb2e8f9f7 36
<> 144:ef7eb2e8f9f7 37 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 38 #include "stm32l4xx_ll_crc.h"
<> 144:ef7eb2e8f9f7 39 #include "stm32l4xx_ll_bus.h"
<> 144:ef7eb2e8f9f7 40
<> 144:ef7eb2e8f9f7 41 #ifdef USE_FULL_ASSERT
<> 144:ef7eb2e8f9f7 42 #include "stm32_assert.h"
<> 144:ef7eb2e8f9f7 43 #else
<> 144:ef7eb2e8f9f7 44 #define assert_param(expr) ((void)0U)
<> 144:ef7eb2e8f9f7 45 #endif
<> 144:ef7eb2e8f9f7 46
<> 144:ef7eb2e8f9f7 47 /** @addtogroup STM32L4xx_LL_Driver
<> 144:ef7eb2e8f9f7 48 * @{
<> 144:ef7eb2e8f9f7 49 */
<> 144:ef7eb2e8f9f7 50
<> 144:ef7eb2e8f9f7 51 #if defined (CRC)
<> 144:ef7eb2e8f9f7 52
<> 144:ef7eb2e8f9f7 53 /** @addtogroup CRC_LL
<> 144:ef7eb2e8f9f7 54 * @{
<> 144:ef7eb2e8f9f7 55 */
<> 144:ef7eb2e8f9f7 56
<> 144:ef7eb2e8f9f7 57 /* Private types -------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 58 /* Private variables ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 59 /* Private constants ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 60 /* Private macros ------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 61 /* Private function prototypes -----------------------------------------------*/
<> 144:ef7eb2e8f9f7 62
<> 144:ef7eb2e8f9f7 63 /* Exported functions --------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 64 /** @addtogroup CRC_LL_Exported_Functions
<> 144:ef7eb2e8f9f7 65 * @{
<> 144:ef7eb2e8f9f7 66 */
<> 144:ef7eb2e8f9f7 67
<> 144:ef7eb2e8f9f7 68 /** @addtogroup CRC_LL_EF_Init
<> 144:ef7eb2e8f9f7 69 * @{
<> 144:ef7eb2e8f9f7 70 */
<> 144:ef7eb2e8f9f7 71
<> 144:ef7eb2e8f9f7 72 /**
<> 144:ef7eb2e8f9f7 73 * @brief De-initialize CRC registers (Registers restored to their default values).
<> 144:ef7eb2e8f9f7 74 * @param CRCx CRC Instance
<> 144:ef7eb2e8f9f7 75 * @retval An ErrorStatus enumeration value:
<> 144:ef7eb2e8f9f7 76 * - SUCCESS: CRC registers are de-initialized
<> 144:ef7eb2e8f9f7 77 * - ERROR: CRC registers are not de-initialized
<> 144:ef7eb2e8f9f7 78 */
<> 144:ef7eb2e8f9f7 79 ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx)
<> 144:ef7eb2e8f9f7 80 {
<> 144:ef7eb2e8f9f7 81 ErrorStatus status = SUCCESS;
<> 144:ef7eb2e8f9f7 82
<> 144:ef7eb2e8f9f7 83 /* Check the parameters */
<> 144:ef7eb2e8f9f7 84 assert_param(IS_CRC_ALL_INSTANCE(CRCx));
<> 144:ef7eb2e8f9f7 85
<> 144:ef7eb2e8f9f7 86 if (CRCx == CRC)
<> 144:ef7eb2e8f9f7 87 {
<> 144:ef7eb2e8f9f7 88 /* Force CRC reset */
<> 144:ef7eb2e8f9f7 89 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_CRC);
<> 144:ef7eb2e8f9f7 90
<> 144:ef7eb2e8f9f7 91 /* Release CRC reset */
<> 144:ef7eb2e8f9f7 92 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_CRC);
<> 144:ef7eb2e8f9f7 93 }
<> 144:ef7eb2e8f9f7 94 else
<> 144:ef7eb2e8f9f7 95 {
<> 144:ef7eb2e8f9f7 96 status = ERROR;
<> 144:ef7eb2e8f9f7 97 }
<> 144:ef7eb2e8f9f7 98
<> 144:ef7eb2e8f9f7 99 return (status);
<> 144:ef7eb2e8f9f7 100 }
<> 144:ef7eb2e8f9f7 101
<> 144:ef7eb2e8f9f7 102 /**
<> 144:ef7eb2e8f9f7 103 * @}
<> 144:ef7eb2e8f9f7 104 */
<> 144:ef7eb2e8f9f7 105
<> 144:ef7eb2e8f9f7 106 /**
<> 144:ef7eb2e8f9f7 107 * @}
<> 144:ef7eb2e8f9f7 108 */
<> 144:ef7eb2e8f9f7 109
<> 144:ef7eb2e8f9f7 110 /**
<> 144:ef7eb2e8f9f7 111 * @}
<> 144:ef7eb2e8f9f7 112 */
<> 144:ef7eb2e8f9f7 113
<> 144:ef7eb2e8f9f7 114 #endif /* defined (CRC) */
<> 144:ef7eb2e8f9f7 115
<> 144:ef7eb2e8f9f7 116 /**
<> 144:ef7eb2e8f9f7 117 * @}
<> 144:ef7eb2e8f9f7 118 */
<> 144:ef7eb2e8f9f7 119
<> 144:ef7eb2e8f9f7 120 #endif /* USE_FULL_LL_DRIVER */
<> 144:ef7eb2e8f9f7 121
<> 144:ef7eb2e8f9f7 122 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
<> 144:ef7eb2e8f9f7 123