Subversion Repositories canSerial

Rev

Rev 2 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2 Rev 3
Line 1... Line 1...
1 
/**
 1 
/**
2 
  ******************************************************************************
 2 
  ******************************************************************************
3 
  * @file    stm32f1xx_ll_crc.c
 3 
  * @file    stm32f1xx_ll_crc.c
4 
  * @author  MCD Application Team
 4 
  * @author  MCD Application Team
5 
  * @brief   CRC LL module driver.
 5 
  * @brief   CRC LL module driver.
6 
  ******************************************************************************
 6 
  ******************************************************************************
7 
  * @attention
 7 
  * @attention
8 
  *
 8 
  *
9 
  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
 9 
  * Copyright (c) 2016 STMicroelectronics.
10 
  * All rights reserved.</center></h2>
 10 
  * All rights reserved.
11 
  *
 11 
  *
12 
  * This software component is licensed by ST under BSD 3-Clause license,
 12 
  * This software is licensed under terms that can be found in the LICENSE file
13 
  * the "License"; You may not use this file except in compliance with the
 13 
  * in the root directory of this software component.
14 
  * License. You may obtain a copy of the License at:
 14 
  * If no LICENSE file comes with this software, it is provided AS-IS.
15 
  *                        opensource.org/licenses/BSD-3-Clause
 15 
  *
16 
  *
 16 
  ******************************************************************************
17 
  ******************************************************************************
 17 
  */
18 
  */
 18 
#if defined(USE_FULL_LL_DRIVER)
19 
#if defined(USE_FULL_LL_DRIVER)
 19 
 
20 
 
 20 
/* Includes ------------------------------------------------------------------*/
21 
/* Includes ------------------------------------------------------------------*/
 21 
#include "stm32f1xx_ll_crc.h"
22 
#include "stm32f1xx_ll_crc.h"
 22 
#include "stm32f1xx_ll_bus.h"
23 
#include "stm32f1xx_ll_bus.h"
 23 
 
24 
 
 24 
#ifdef  USE_FULL_ASSERT
25 
#ifdef  USE_FULL_ASSERT
 25 
#include "stm32_assert.h"
26 
#include "stm32_assert.h"
 26 
#else
27 
#else
 27 
#define assert_param(expr) ((void)0U)
28 
#define assert_param(expr) ((void)0U)
 28 
#endif /* USE_FULL_ASSERT */
29 
#endif/* USE_FULL_ASSERT */
 29 
 
30 
 
 30 
/** @addtogroup STM32F1xx_LL_Driver
31 
/** @addtogroup STM32F1xx_LL_Driver
 31 
  * @{
32 
  * @{
 32 
  */
33 
  */
 33 
 
34 
 
 34 
#if defined (CRC)
35 
#if defined (CRC)
 35 
 
36 
 
 36 
/** @addtogroup CRC_LL
37 
/** @addtogroup CRC_LL
 37 
  * @{
38 
  * @{
 38 
  */
39 
  */
 39 
 
40 
 
 40 
/* Private types -------------------------------------------------------------*/
41 
/* Private types -------------------------------------------------------------*/
 41 
/* Private variables ---------------------------------------------------------*/
42 
/* Private variables ---------------------------------------------------------*/
 42 
/* Private constants ---------------------------------------------------------*/
43 
/* Private constants ---------------------------------------------------------*/
 43 
/* Private macros ------------------------------------------------------------*/
44 
/* Private macros ------------------------------------------------------------*/
 44 
/* Private function prototypes -----------------------------------------------*/
45 
/* Private function prototypes -----------------------------------------------*/
 45 
 
46 
 
 46 
/* Exported functions --------------------------------------------------------*/
47 
/* Exported functions --------------------------------------------------------*/
 47 
/** @addtogroup CRC_LL_Exported_Functions
48 
/** @addtogroup CRC_LL_Exported_Functions
 48 
  * @{
49 
  * @{
 49 
  */
50 
  */
 50 
 
51 
 
 51 
/** @addtogroup CRC_LL_EF_Init
52 
/** @addtogroup CRC_LL_EF_Init
 52 
  * @{
53 
  * @{
 53 
  */
54 
  */
 54 
 
55 
 
 55 
/**
56 
/**
 56 
  * @brief  De-initialize CRC registers (Registers restored to their default values).
57 
  * @brief  De-initialize CRC registers (Registers restored to their default values).
 57 
  * @param  CRCx CRC Instance
58 
  * @param  CRCx CRC Instance
 58 
  * @retval An ErrorStatus enumeration value:
59 
  * @retval An ErrorStatus enumeration value:
 59 
  *          - SUCCESS: CRC registers are de-initialized
60 
  *          - SUCCESS: CRC registers are de-initialized
 60 
  *          - ERROR: CRC registers are not de-initialized
61 
  *          - ERROR: CRC registers are not de-initialized
 61 
  */
62 
  */
 62 
ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx)
63 
ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx)
 63 
{
64 
{
 64 
  ErrorStatus status = SUCCESS;
65 
  ErrorStatus status = SUCCESS;
 65 
 
66 
 
 66 
  /* Check the parameters */
67 
  /* Check the parameters */
 67 
  assert_param(IS_CRC_ALL_INSTANCE(CRCx));
68 
  assert_param(IS_CRC_ALL_INSTANCE(CRCx));
 68 
 
69 
 
 69 
  if (CRCx == CRC)
70 
  if (CRCx == CRC)
 70 
  {
71 
  {
 71 
 
72 
 
 72 
    /* Reset the CRC calculation unit */
73 
    /* Reset the CRC calculation unit */
 73 
    LL_CRC_ResetCRCCalculationUnit(CRCx);
74 
    LL_CRC_ResetCRCCalculationUnit(CRCx);
 74 
 
75 
 
 75 
    /* Reset IDR register */
76 
    /* Reset IDR register */
 76 
    LL_CRC_Write_IDR(CRCx, 0x00U);
77 
    LL_CRC_Write_IDR(CRCx, 0x00U);
 77 
  }
78 
  }
 78 
  else
79 
  else
 79 
  {
80 
  {
 80 
    status = ERROR;
81 
    status = ERROR;
 81 
  }
82 
  }
 82 
 
83 
 
 83 
  return (status);
84 
  return (status);
 84 
}
85 
}
 85 
 
86 
 
 86 
/**
87 
/**
 87 
  * @}
88 
  * @}
 88 
  */
89 
  */
 89 
 
90 
 
 90 
/**
91 
/**
 91 
  * @}
92 
  * @}
 92 
  */
93 
  */
 93 
 
94 
 
 94 
/**
95 
/**
 95 
  * @}
96 
  * @}
 96 
  */
97 
  */
 97 
 
98 
 
 98 
#endif /* defined (CRC) */
99 
#endif /* defined (CRC) */
 99 
 
100 
 
 100 
/**
101 
/**
 101 
  * @}
102 
  * @}
 102 
  */
103 
  */
 103 
 
104 
 
 104 
#endif /* USE_FULL_LL_DRIVER */
105 
#endif /* USE_FULL_LL_DRIVER */
 - 
 
106 
 
 - 
 
107 
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 - 
 
108 
 
 -