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_STM32L1/device/stm32l1xx_ll_crc.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
184:08ed48f1de7f 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /**
<> 149:156823d33999 2 ******************************************************************************
<> 149:156823d33999 3 * @file stm32l1xx_ll_crc.c
<> 149:156823d33999 4 * @author MCD Application Team
<> 149:156823d33999 5 * @brief CRC LL module driver.
<> 149:156823d33999 6 ******************************************************************************
<> 149:156823d33999 7 * @attention
<> 149:156823d33999 8 *
AnnaBridge 184:08ed48f1de7f 9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
<> 149:156823d33999 10 *
<> 149:156823d33999 11 * Redistribution and use in source and binary forms, with or without modification,
<> 149:156823d33999 12 * are permitted provided that the following conditions are met:
<> 149:156823d33999 13 * 1. Redistributions of source code must retain the above copyright notice,
<> 149:156823d33999 14 * this list of conditions and the following disclaimer.
<> 149:156823d33999 15 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 149:156823d33999 16 * this list of conditions and the following disclaimer in the documentation
<> 149:156823d33999 17 * and/or other materials provided with the distribution.
<> 149:156823d33999 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 149:156823d33999 19 * may be used to endorse or promote products derived from this software
<> 149:156823d33999 20 * without specific prior written permission.
<> 149:156823d33999 21 *
<> 149:156823d33999 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 149:156823d33999 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 149:156823d33999 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 149:156823d33999 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 149:156823d33999 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 149:156823d33999 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 149:156823d33999 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 149:156823d33999 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 149:156823d33999 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 149:156823d33999 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 149:156823d33999 32 *
<> 149:156823d33999 33 ******************************************************************************
<> 149:156823d33999 34 */
<> 149:156823d33999 35 #if defined(USE_FULL_LL_DRIVER)
<> 149:156823d33999 36
<> 149:156823d33999 37 /* Includes ------------------------------------------------------------------*/
<> 149:156823d33999 38 #include "stm32l1xx_ll_crc.h"
<> 149:156823d33999 39 #include "stm32l1xx_ll_bus.h"
<> 149:156823d33999 40
<> 149:156823d33999 41 #ifdef USE_FULL_ASSERT
<> 149:156823d33999 42 #include "stm32_assert.h"
<> 149:156823d33999 43 #else
<> 149:156823d33999 44 #define assert_param(expr) ((void)0U)
<> 149:156823d33999 45 #endif
<> 149:156823d33999 46
<> 149:156823d33999 47 /** @addtogroup STM32L1xx_LL_Driver
<> 149:156823d33999 48 * @{
<> 149:156823d33999 49 */
<> 149:156823d33999 50
<> 149:156823d33999 51 #if defined (CRC)
<> 149:156823d33999 52
<> 149:156823d33999 53 /** @addtogroup CRC_LL
<> 149:156823d33999 54 * @{
<> 149:156823d33999 55 */
<> 149:156823d33999 56
<> 149:156823d33999 57 /* Private types -------------------------------------------------------------*/
<> 149:156823d33999 58 /* Private variables ---------------------------------------------------------*/
<> 149:156823d33999 59 /* Private constants ---------------------------------------------------------*/
<> 149:156823d33999 60 /* Private macros ------------------------------------------------------------*/
<> 149:156823d33999 61 /* Private function prototypes -----------------------------------------------*/
<> 149:156823d33999 62
<> 149:156823d33999 63 /* Exported functions --------------------------------------------------------*/
<> 149:156823d33999 64 /** @addtogroup CRC_LL_Exported_Functions
<> 149:156823d33999 65 * @{
<> 149:156823d33999 66 */
<> 149:156823d33999 67
<> 149:156823d33999 68 /** @addtogroup CRC_LL_EF_Init
<> 149:156823d33999 69 * @{
<> 149:156823d33999 70 */
<> 149:156823d33999 71
<> 149:156823d33999 72 /**
<> 149:156823d33999 73 * @brief De-initialize CRC registers (Registers restored to their default values).
<> 149:156823d33999 74 * @param CRCx CRC Instance
<> 149:156823d33999 75 * @retval An ErrorStatus enumeration value:
<> 149:156823d33999 76 * - SUCCESS: CRC registers are de-initialized
<> 149:156823d33999 77 * - ERROR: CRC registers are not de-initialized
<> 149:156823d33999 78 */
<> 149:156823d33999 79 ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx)
<> 149:156823d33999 80 {
<> 149:156823d33999 81 ErrorStatus status = SUCCESS;
<> 149:156823d33999 82
<> 149:156823d33999 83 /* Check the parameters */
<> 149:156823d33999 84 assert_param(IS_CRC_ALL_INSTANCE(CRCx));
<> 149:156823d33999 85
<> 149:156823d33999 86 if (CRCx == CRC)
<> 149:156823d33999 87 {
<> 149:156823d33999 88 /* Force CRC reset */
<> 149:156823d33999 89 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_CRC);
<> 149:156823d33999 90
<> 149:156823d33999 91 /* Release CRC reset */
<> 149:156823d33999 92 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_CRC);
<> 149:156823d33999 93 }
<> 149:156823d33999 94 else
<> 149:156823d33999 95 {
<> 149:156823d33999 96 status = ERROR;
<> 149:156823d33999 97 }
<> 149:156823d33999 98
<> 149:156823d33999 99 return (status);
<> 149:156823d33999 100 }
<> 149:156823d33999 101
<> 149:156823d33999 102 /**
<> 149:156823d33999 103 * @}
<> 149:156823d33999 104 */
<> 149:156823d33999 105
<> 149:156823d33999 106 /**
<> 149:156823d33999 107 * @}
<> 149:156823d33999 108 */
<> 149:156823d33999 109
<> 149:156823d33999 110 /**
<> 149:156823d33999 111 * @}
<> 149:156823d33999 112 */
<> 149:156823d33999 113
<> 149:156823d33999 114 #endif /* defined (CRC) */
<> 149:156823d33999 115
<> 149:156823d33999 116 /**
<> 149:156823d33999 117 * @}
<> 149:156823d33999 118 */
<> 149:156823d33999 119
<> 149:156823d33999 120 #endif /* USE_FULL_LL_DRIVER */
<> 149:156823d33999 121
<> 149:156823d33999 122 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
<> 149:156823d33999 123