blob: 64a1eaadd8b883137e413cf60a60490184aa53d4 (
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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/******************************************************************************
* Copyright (C) 2020, Huada Semiconductor Co., Ltd. All rights reserved.
*
* This software component is licensed by HDSC under BSD 3-Clause license
* (the "License"); You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*/
/******************************************************************************/
/** \file hc32f460_rmu.c
**
** A detailed description is available at
** @link RmuGroup RMU description @endlink
**
** - 2018-10-28 CDT First version for Device Driver Library of RMU.
**
******************************************************************************/
/*******************************************************************************
* Include files
******************************************************************************/
#include "hc32f460_rmu.h"
#include "hc32f460_utility.h"
/**
*******************************************************************************
** \addtogroup RmuGroup
******************************************************************************/
//@{
/*******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/*******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
#define ENABLE_RMU_REG_WRITE() (M4_SYSREG->PWR_FPRC = 0xa502u)
#define DISABLE_RMU_REG_WRITE() (M4_SYSREG->PWR_FPRC = 0xa500u)
#define RMU_FLAG_TIM ((uint16_t)0x1000u)
/*******************************************************************************
* Global variable definitions (declared in header file with 'extern')
******************************************************************************/
/*******************************************************************************
* Local function prototypes ('static')
******************************************************************************/
/*******************************************************************************
* Local variable definitions ('static')
******************************************************************************/
/*******************************************************************************
* Function implementation - global ('extern') and local ('static')
******************************************************************************/
/**
*******************************************************************************
** \brief Get the chip reset cause.
**
** \param [in] pstcData Pointer to return reset cause structure.
**
** \retval Ok Get successfully.
**
******************************************************************************/
en_result_t RMU_GetResetCause(stc_rmu_rstcause_t *pstcData)
{
uint16_t u16RstCause = 0u;
stc_sysreg_rmu_rstf0_field_t *RMU_RSTF0_f = NULL;
if(NULL == pstcData)
{
return ErrorInvalidParameter;
}
u16RstCause = M4_SYSREG->RMU_RSTF0;
RMU_RSTF0_f = (stc_sysreg_rmu_rstf0_field_t *)(&u16RstCause);
pstcData->enMultiRst = (en_flag_status_t)(RMU_RSTF0_f->MULTIRF == 1u);
pstcData->enXtalErr = (en_flag_status_t)(RMU_RSTF0_f->XTALERF == 1u);
pstcData->enClkFreqErr = (en_flag_status_t)(RMU_RSTF0_f->CKFERF == 1u);
pstcData->enRamEcc = (en_flag_status_t)(RMU_RSTF0_f->RAECRF == 1u);
pstcData->enRamParityErr = (en_flag_status_t)(RMU_RSTF0_f->RAPERF == 1u);
pstcData->enMpuErr = (en_flag_status_t)(RMU_RSTF0_f->MPUERF == 1u);
pstcData->enSoftware = (en_flag_status_t)(RMU_RSTF0_f->SWRF == 1u);
pstcData->enPowerDown = (en_flag_status_t)(RMU_RSTF0_f->PDRF == 1u);
pstcData->enSwdt = (en_flag_status_t)(RMU_RSTF0_f->SWDRF == 1u);
pstcData->enWdt = (en_flag_status_t)(RMU_RSTF0_f->WDRF == 1u);
pstcData->enPvd2 = (en_flag_status_t)(RMU_RSTF0_f->PVD2RF == 1u);
pstcData->enPvd1 = (en_flag_status_t)(RMU_RSTF0_f->PVD2RF == 1u);
pstcData->enBrownOut = (en_flag_status_t)(RMU_RSTF0_f->BORF == 1u);
pstcData->enRstPin = (en_flag_status_t)(RMU_RSTF0_f->PINRF == 1u);
pstcData->enPowerOn = (en_flag_status_t)(RMU_RSTF0_f->PORF == 1u);
return Ok;
}
/**
*******************************************************************************
** \brief Clear the reset flag.
**
** \param None
**
** \retval Ok Clear successfully.
**
** \note clear reset flag should be done after read RMU_RSTF0 register.
******************************************************************************/
en_result_t RMU_ClrResetFlag(void)
{
uint16_t u16status = 0u;
uint32_t u32timeout = 0u;
ENABLE_RMU_REG_WRITE();
do
{
u32timeout++;
M4_SYSREG->RMU_RSTF0_f.CLRF = 1u;
u16status = M4_SYSREG->RMU_RSTF0;
}while((u32timeout != RMU_FLAG_TIM) && u16status);
DISABLE_RMU_REG_WRITE();
if(u32timeout >= RMU_FLAG_TIM)
{
return ErrorTimeout;
}
return Ok;
}
//@} // RmuGroup
/*******************************************************************************
* EOF (not truncated)
******************************************************************************/
|
