blob: 6eafabf83f7f43843ae9a2ccb2e190dee8ce94dc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/**
*********************************************************************************
*
* @file ald_calc.c
* @brief CALC module driver.
*
* @version V1.0
* @date 26 Jun 2019
* @author AE Team
* @note
* Change Logs:
* Date Author Notes
* 26 Jun 2019 AE Team The first version
*
* Copyright (C) Shanghai Eastsoft Microelectronics Co. Ltd. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**********************************************************************************
*/
#include "ald_conf.h"
/** @addtogroup ES32FXXX_ALD
* @{
*/
/** @defgroup CALC CALC
* @brief CALC module driver
* @{
*/
#ifdef ALD_CALC
/** @defgroup CALC_Public_Functions CALC Public Functions
* @brief Accelerating calculate functions
*
* @verbatim
==============================================================================
##### Accelerating calculate functions #####
==============================================================================
[..] This section provides functions allowing to:
(+) Square root operation.
@endverbatim
* @{
*/
/**
* @brief Square root operation.
* @param data: The radicand.
* @retval The value of square root.
*/
uint32_t ald_calc_sqrt(uint32_t data)
{
WRITE_REG(CALC->RDCND, data);
while (READ_BIT(CALC->SQRTSR, CALC_SQRTSR_BUSY_MSK));
return READ_REG(CALC->SQRTRES);
}
/**
* @}
*/
#endif /* ALD_CALC */
/**
* @}
*/
/**
* @}
*/
|