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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/*
* Copyright : (C) 2022 Phytium Information Technology, Inc.
* All Rights Reserved.
*
* This program is OPEN SOURCE software: you can redistribute it and/or modify it
* under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
* either version 1.0 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the Phytium Public License for more details.
*
*
* FilePath: frtc.c
* Date: 2022-02-10 14:53:42
* LastEditTime: 2022-02-18 09:02:33
* Description: This files is for
*
* Modify History:
* Ver Who Date Changes
* ----- ------ -------- --------------------------------------
* 1.0 Wangxiaodong 2021/11/5 init
*/
#include <string.h>
#include "fgeneric_timer.h"
#include "ftypes.h"
#include "fassert.h"
#include "fdebug.h"
#include "fsleep.h"
#include "frtc.h"
#include "frtc_hw.h"
#define FRTC_DEBUG_TAG "RTC"
#define FRTC_ERROR(format, ...) FT_DEBUG_PRINT_E(FRTC_DEBUG_TAG, format, ##__VA_ARGS__)
#define FRTC_INFO(format, ...) FT_DEBUG_PRINT_I(FRTC_DEBUG_TAG, format, ##__VA_ARGS__)
#define FRTC_DEBUG(format, ...) FT_DEBUG_PRINT_D(FRTC_DEBUG_TAG, format, ##__VA_ARGS__)
#define FRTC_IS_LEAP_YEAR(year) ((((year) % 4 == 0 ) && ((year) %100 != 0))||( (year) % 400 == 0))
/**
* @name: FRtcCheckDateTime
* @msg: check if the date year, month, day, hour, ... is valid
* @return {u32} whether the date is valid
* @param {FRtcDate} *date, pointer to a FRtcDate structure that contains year, month and day
*/
static FError FRtcCheckDateTime(const FRtcDateTime *date_time)
{
FASSERT(date_time != NULL);
u8 w_hour = date_time->hour;
u8 w_minute = date_time->minute;
u8 w_second = date_time->second;
u8 w_year = date_time->year;
u8 w_month = date_time->month;
u8 w_day = date_time->mday;
u8 days_of_month[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; /* 月份天数表 */
/* 闰年2月+1天 */
if ((w_month == 2) && (FRTC_IS_LEAP_YEAR(w_year)))
days_of_month[w_month - 1] += 1;
/* 判断月份日期是否合法 */
if ((w_month > 12) || (w_month < 1) || (w_day > days_of_month[w_month - 1]) || (w_day < 1))
{
FRTC_ERROR("invalid input date: month: %d, day: %d", w_month, w_day);
return FRTC_ERR_DATE_INVALID;
}
/* 判断时分秒是否合法 */
if ((w_hour > 23) || (w_minute > 59) || (w_second > 59))
{
FRTC_ERROR("invalid input time: hour: %d, minute: %d, second: %d",
w_hour, w_minute, w_second);
return FRTC_ERR_TIME_INVALID;
}
return FRTC_SUCCESS;
}
/**
* @name: FRtcSetDateTime
* @msg: Set current time in FRtcDateTime
* @return {u32} whether the time setting is successful
* @param {FRtcCtrl} *pctrl, pointer to a FRtcCtrl structure that contains
* the configuration information for the specified rtc module.
* @param {FRtcDate} *date, pointer to a FRtcDate structure that contains year, month and day
* @param {FRtcTime} *time, pointer to a FRtcTime structure that contains hour, minute and second
*/
FError FRtcSetDateTime(FRtcCtrl *pctrl, const FRtcDateTime *date_time)
{
FASSERT(pctrl != NULL);
FASSERT(date_time != NULL);
uintptr base_addr = pctrl->config.control_base_addr;
struct tm tm;
time_t t;
u32 ret = 0;
ret = FRtcCheckDateTime(date_time);
if (ret != FRTC_SUCCESS)
{
return ret;
}
tm.tm_sec = date_time->second;
tm.tm_min = date_time->minute;
tm.tm_hour = date_time->hour;
/* tm->tm_wday */
tm.tm_mday = date_time->mday;
tm.tm_mon = (date_time->month - 1);
tm.tm_year = (date_time->year - 1900);
t = mktime(&tm);
FRTC_WRITE_AES_SEL(base_addr, FRTC_AES_SEL_COUNTER);
/* write low 32 bit first */
FRTC_WRITE_CLR_LOW(base_addr, 0);
/* write low 32 bit next */
FRTC_WRITE_CLR(base_addr, t);
return FT_SUCCESS;
}
/**
* @name: FRtcGetDateTime
* @msg: Get current time in FRtcDateTime
* @return {*}
* @param {FRtcCtrl} *pctrl
* @param {FRtcDateTime} *date_time
*/
FError FRtcGetDateTime(FRtcCtrl *pctrl, FRtcDateTime *date_time)
{
FASSERT(pctrl != NULL);
FASSERT(date_time != NULL);
time_t seconds = 0;
struct tm *time_p;
FRtcReadTimeStamp(pctrl, &seconds, NULL);
time_p = localtime(&seconds);
date_time->year = time_p->tm_year + 1900;
date_time->month = time_p->tm_mon + 1;
date_time->mday = time_p->tm_mday;
date_time->hour = time_p->tm_hour;
date_time->minute = time_p->tm_min;
date_time->second = time_p->tm_sec;
return FRTC_SUCCESS;
}
/**
* @name: FRtcReadTimeStamp
* @msg: Read time stamp in seconds and milliseconds
* @return {*} none
* @param {FRtcCtrl} *pctrl
* @param {time_t} *sec_p
* @param {time_t} *msec_p
*/
void FRtcReadTimeStamp(FRtcCtrl *pctrl, time_t *sec_p, time_t *msec_p)
{
FASSERT(pctrl != NULL);
time_t sec = 0;
u32 msec = 0;
u32 tick = 0;
uintptr base_addr = pctrl->config.control_base_addr;
/* tick = 1/32.768k = 0.03ms = 30us, delay more than 4 ticks */
fsleep_microsec(FRTC_COUNTER_DELAY);
/* write AES_SEL register, to read CCVR and CDR register */
FRTC_WRITE_AES_SEL(base_addr, FRTC_AES_SEL_COUNTER);
/* tick = 1/32.768k = 0.03ms = 30us, delay more than 4 ticks */
fsleep_microsec(FRTC_COUNTER_DELAY);
/* read high 32 bit first */
sec = FRTC_READ_CCVR(base_addr);
/* read low 32 bit next, The lower 15 bits are valid */
tick = (FRTC_READ_CDR_LOW(base_addr) & FRTC_COUNTER_LB_MASK);
/* convert 15 bits tick to milliseconds, count by 32.768k */
msec = ((tick * 1000) >> FRTC_COUNTER_HB_OFFSET);
if (sec_p)
*sec_p = sec;
if (msec_p)
*msec_p = msec;
return;
}
/**
* @name: FRtcCfgInitialize
* @msg: Initialize RTC ctrl
* @return {*}
* @param {FRtcCtrl} *instance_p
* @param {FRtcConfig} *input_config_p
*/
FError FRtcCfgInitialize(FRtcCtrl *instance_p, const FRtcConfig *input_config_p)
{
FASSERT(instance_p && input_config_p);
uintptr base_addr = instance_p->config.control_base_addr;
instance_p->config = *input_config_p;
instance_p->is_ready = FT_COMPONENT_IS_READY;
return FRTC_SUCCESS;
}
/**
* @name: FRtcCfgDeInitialize
* @msg: DeInitialization function for the device instance
* @param {FRtcCtrl} *instance_p FRTC驱动控制数据
* @return {*}
*/
void FRtcCfgDeInitialize(FRtcCtrl *pctrl)
{
FASSERT(pctrl);
pctrl->is_ready = 0;
memset(pctrl, 0, sizeof(*pctrl));
return;
}
|
