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comparison Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_crc.c @ 128:c78bcbd5deda FlipDisplay
Added current STM32 standandard libraries in version independend folder structure
author | Ideenmodellierer |
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date | Sun, 17 Feb 2019 21:12:22 +0100 |
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127:1369f8660eaa | 128:c78bcbd5deda |
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1 /** | |
2 ****************************************************************************** | |
3 * @file stm32f4xx_ll_crc.c | |
4 * @author MCD Application Team | |
5 * @brief CRC LL module driver. | |
6 ****************************************************************************** | |
7 * @attention | |
8 * | |
9 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> | |
10 * | |
11 * Redistribution and use in source and binary forms, with or without modification, | |
12 * are permitted provided that the following conditions are met: | |
13 * 1. Redistributions of source code must retain the above copyright notice, | |
14 * this list of conditions and the following disclaimer. | |
15 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
16 * this list of conditions and the following disclaimer in the documentation | |
17 * and/or other materials provided with the distribution. | |
18 * 3. Neither the name of STMicroelectronics nor the names of its contributors | |
19 * may be used to endorse or promote products derived from this software | |
20 * without specific prior written permission. | |
21 * | |
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32 * | |
33 ****************************************************************************** | |
34 */ | |
35 #if defined(USE_FULL_LL_DRIVER) | |
36 | |
37 /* Includes ------------------------------------------------------------------*/ | |
38 #include "stm32f4xx_ll_crc.h" | |
39 #include "stm32f4xx_ll_bus.h" | |
40 | |
41 #ifdef USE_FULL_ASSERT | |
42 #include "stm32_assert.h" | |
43 #else | |
44 #define assert_param(expr) ((void)0U) | |
45 #endif | |
46 | |
47 /** @addtogroup STM32F4xx_LL_Driver | |
48 * @{ | |
49 */ | |
50 | |
51 #if defined (CRC) | |
52 | |
53 /** @addtogroup CRC_LL | |
54 * @{ | |
55 */ | |
56 | |
57 /* Private types -------------------------------------------------------------*/ | |
58 /* Private variables ---------------------------------------------------------*/ | |
59 /* Private constants ---------------------------------------------------------*/ | |
60 /* Private macros ------------------------------------------------------------*/ | |
61 /* Private function prototypes -----------------------------------------------*/ | |
62 | |
63 /* Exported functions --------------------------------------------------------*/ | |
64 /** @addtogroup CRC_LL_Exported_Functions | |
65 * @{ | |
66 */ | |
67 | |
68 /** @addtogroup CRC_LL_EF_Init | |
69 * @{ | |
70 */ | |
71 | |
72 /** | |
73 * @brief De-initialize CRC registers (Registers restored to their default values). | |
74 * @param CRCx CRC Instance | |
75 * @retval An ErrorStatus enumeration value: | |
76 * - SUCCESS: CRC registers are de-initialized | |
77 * - ERROR: CRC registers are not de-initialized | |
78 */ | |
79 ErrorStatus LL_CRC_DeInit(CRC_TypeDef *CRCx) | |
80 { | |
81 ErrorStatus status = SUCCESS; | |
82 | |
83 /* Check the parameters */ | |
84 assert_param(IS_CRC_ALL_INSTANCE(CRCx)); | |
85 | |
86 if (CRCx == CRC) | |
87 { | |
88 /* Force CRC reset */ | |
89 LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_CRC); | |
90 | |
91 /* Release CRC reset */ | |
92 LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_CRC); | |
93 } | |
94 else | |
95 { | |
96 status = ERROR; | |
97 } | |
98 | |
99 return (status); | |
100 } | |
101 | |
102 /** | |
103 * @} | |
104 */ | |
105 | |
106 /** | |
107 * @} | |
108 */ | |
109 | |
110 /** | |
111 * @} | |
112 */ | |
113 | |
114 #endif /* defined (CRC) */ | |
115 | |
116 /** | |
117 * @} | |
118 */ | |
119 | |
120 #endif /* USE_FULL_LL_DRIVER */ | |
121 | |
122 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ | |
123 |