blob: 809c3d75acb7588fd14d78fc5cf4bd57055df942 (
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
|
/*
* Copyright (C) 2017-2024 Alibaba Group Holding Limited
*
* 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
*
* http://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.
*/
/******************************************************************************
* @file ck_trng.c
* @brief
* @version
* @date 27. April 2020
******************************************************************************/
#include <drv/rng.h>
#include <drv/irq.h>
#include <drv/tick.h>
#include <string.h>
/**
\brief Get data from the TRNG engine
\param[out] data Pointer to buffer with data get from TRNG
\param[in] num Number of data items,uinit in uint32
\return error code
*/
csi_error_t csi_rng_get_multi_word(uint32_t *data, uint32_t num)
{
csi_error_t ret = CSI_OK;
CSI_PARAM_CHK(data, CSI_ERROR);
if (num == 0U) {
ret = CSI_ERROR;
}else{
int i = 0;
while (num) {
///< TODO：使能trng 模块
///< TODO：等待trng 模块有效 且未超时，超时设置ret并退出循环
///< TODO：获取trng值到data[i]
i++;
num--;
}
}
return ret;
}
/**
\brief Get data from the TRNG engine
\return error code
*/
csi_error_t csi_rng_get_single_word(uint32_t* data)
{
csi_error_t ret = CSI_OK;
CSI_PARAM_CHK(data, CSI_ERROR);
///< TODO：使能trng 模块
///< TODO：等待trng 模块有效 且未超时，超时设置ret并退出循环
///< TODO：获取trng值到*data
return ret;
}
|
