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
|
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-05-05 sundm75 first version
*/
/* Includes ------------------------------------------------------------------*/
#include "board.h"
#include "drv_rtc.h"
#include <rtdevice.h>
#include <sys/time.h>
#include "../libraries/ls1c_regs.h"
#include "../libraries/ls1c_rtc.h"
//#define RT_RTC_DEBUG
#if defined(RT_USING_RTC)
#ifdef RT_RTC_DEBUG
#define rtc_debug(format,args...) rt_kprintf(format, ##args)
#else
#define rtc_debug(format,args...)
#endif
static struct rt_device rtc;
RTC_TypeDef * RTC_Handler;
static time_t get_timestamp(void)
{
struct tm tm_new = {0};
RTC_TimeTypeDef rtcDate;
RTC_GetTime(RTC_Handler, &rtcDate);
tm_new.tm_sec = rtcDate.Seconds;
tm_new.tm_min = rtcDate.Minutes;
tm_new.tm_hour = rtcDate.Hours;
tm_new.tm_mday = rtcDate.Date;
tm_new.tm_mon = rtcDate.Month- 1;
tm_new.tm_year = rtcDate.Year + 2000 - 1900;
return timegm(&tm_new);
}
static int set_timestamp(time_t timestamp)
{
struct tm now;
RTC_TimeTypeDef rtcDate;
gmtime_r(×tamp, &now);
rtcDate.Seconds= now.tm_sec ;
rtcDate.Minutes= now.tm_min ;
rtcDate.Hours= now.tm_hour;
rtcDate.Date= now.tm_mday;
rtcDate.Month= now.tm_mon + 1;
rtcDate.Year= now.tm_year + 1900 - 2000;
RTC_SetTime(RTC_Handler, &rtcDate);
rt_kprintf("\r\nrtcDate is %d.%d.%d - %d:%d:%d",rtcDate.Year, rtcDate.Month, rtcDate.Date, rtcDate.Hours, rtcDate.Minutes, rtcDate.Seconds);
return RT_EOK;
}
rt_uint8_t RTC_Init(void)
{
RTC_Handler = RTC;
return 0;
}
static rt_err_t rt_rtc_open(rt_device_t dev, rt_uint16_t oflag)
{
if (dev->rx_indicate != RT_NULL)
{
/* Open Interrupt */
}
return RT_EOK;
}
static rt_ssize_t rt_rtc_read(
rt_device_t dev,
rt_off_t pos,
void* buffer,
rt_size_t size)
{
return 0;
}
/**
* This function configure RTC device.
*
* @param dev, pointer to device descriptor.
* @param cmd, RTC control command.
*
* @return the error code.
*/
static rt_err_t rt_rtc_control(rt_device_t dev, int cmd, void *args)
{
rt_err_t result;
RT_ASSERT(dev != RT_NULL);
switch (cmd)
{
case RT_DEVICE_CTRL_RTC_GET_TIME:
*(rt_uint32_t *)args = get_timestamp();
rtc_debug("RTC: get rtc_time %x\n", *(rt_uint32_t *)args);
break;
case RT_DEVICE_CTRL_RTC_SET_TIME:
{
result = set_timestamp(*(rt_uint32_t *)args);
rtc_debug("RTC: set rtc_time %x\n", *(rt_uint32_t *)args);
}
break;
}
return result;
}
/**
* This function register RTC device.
*
* @param device, pointer to device descriptor.
* @param name, device name.
* @param flag, configuration flags.
*
* @return the error code.
*/
rt_err_t rt_hw_rtc_register(
rt_device_t device,
const char *name,
rt_uint32_t flag)
{
RT_ASSERT(device != RT_NULL);
device->type = RT_Device_Class_RTC;
device->rx_indicate = RT_NULL;
device->tx_complete = RT_NULL;
device->init = RT_NULL;
device->open = rt_rtc_open;
device->close = RT_NULL;
device->read = rt_rtc_read;
device->write = RT_NULL;
device->control = rt_rtc_control;
device->user_data = RT_NULL; /* no private */
/* register a character device */
return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR | flag);
}
/**
* This function initialize RTC module related hardware and register RTC device to kernel.
*
* @param none.
*
* @return the error code.
*/
int rt_hw_rtc_init(void)
{
RTC_Init();
/* register rtc device */
rt_hw_rtc_register(&rtc, RT_RTC_NAME, 0);
return RT_EOK;
}
INIT_BOARD_EXPORT(rt_hw_rtc_init);
#endif
|
