165 lines
3.9 KiB
C
165 lines
3.9 KiB
C
/*
|
|
* Copyright (c) 2006-2018, Synwit Technology Co.,Ltd.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2018-12-10 Zohar_Lee first version
|
|
* 2020-07-10 lik format file
|
|
*/
|
|
|
|
#include "drv_rtc.h"
|
|
#include <sys/time.h>
|
|
|
|
#ifdef RT_USING_RTC
|
|
#ifdef BSP_USING_RTC
|
|
|
|
//#define DRV_DEBUG
|
|
#define LOG_TAG "drv.rtc"
|
|
#include <drv_log.h>
|
|
|
|
static uint32_t calcWeekDay(uint32_t year, uint32_t month, uint32_t date)
|
|
{
|
|
uint32_t i, cnt = 0;
|
|
const uint32_t daysOfMonth[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
|
|
|
|
for (i = 1; i < month; i++)
|
|
cnt += daysOfMonth[i];
|
|
|
|
cnt += date;
|
|
|
|
if ((year % 4 == 0) && ((year % 100 != 0) || (year % 400 == 0)) && (month >= 3))
|
|
cnt += 1;
|
|
|
|
cnt += (year - 1901) * 365;
|
|
|
|
for (i = 1901; i < year; i++)
|
|
{
|
|
if ((i % 4 == 0) && ((i % 100 != 0) || (i % 400 == 0)))
|
|
cnt += 1;
|
|
}
|
|
|
|
return (cnt + 1) % 7;
|
|
}
|
|
|
|
static time_t swm_get_rtc_time_stamp(void)
|
|
{
|
|
RTC_DateTime get_datetime = {0};
|
|
struct tm tm_new;
|
|
|
|
RTC_GetDateTime(RTC, &get_datetime);
|
|
|
|
tm_new.tm_sec = get_datetime.Second;
|
|
tm_new.tm_min = get_datetime.Minute;
|
|
tm_new.tm_hour = get_datetime.Hour;
|
|
tm_new.tm_mday = get_datetime.Date;
|
|
tm_new.tm_mon = get_datetime.Month;
|
|
tm_new.tm_year = get_datetime.Year;
|
|
|
|
LOG_D("get rtc time.");
|
|
return mktime(&tm_new);
|
|
}
|
|
static rt_err_t swm_set_rtc_time_stamp(time_t time_stamp)
|
|
{
|
|
RTC_DateTime set_datetime = {0};
|
|
struct tm now;
|
|
|
|
gmtime_r(&time_stamp, &now);
|
|
set_datetime.Second = now.tm_sec;
|
|
set_datetime.Minute = now.tm_min;
|
|
set_datetime.Hour = now.tm_hour;
|
|
set_datetime.Date = now.tm_mday;
|
|
set_datetime.Month = now.tm_mon;
|
|
set_datetime.Year = now.tm_year;
|
|
// set_datetime.Day = now.tm_wday;
|
|
|
|
RTC_Stop(RTC);
|
|
while (RTC->CFGABLE == 0)
|
|
;
|
|
RTC->MINSEC = (set_datetime.Second << RTC_MINSEC_SEC_Pos) |
|
|
(set_datetime.Minute << RTC_MINSEC_MIN_Pos);
|
|
RTC->DATHUR = (set_datetime.Hour << RTC_DATHUR_HOUR_Pos) |
|
|
((set_datetime.Date) << RTC_DATHUR_DATE_Pos);
|
|
RTC->MONDAY = (calcWeekDay(set_datetime.Year, set_datetime.Month, set_datetime.Date)
|
|
<< RTC_MONDAY_DAY_Pos) |
|
|
((set_datetime.Month) << RTC_MONDAY_MON_Pos);
|
|
RTC->YEAR = set_datetime.Year;
|
|
RTC->LOAD = 1 << RTC_LOAD_TIME_Pos;
|
|
RTC_Start(RTC);
|
|
|
|
LOG_D("set rtc time.");
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t swm_rtc_init(void)
|
|
{
|
|
RTC_InitStructure rtc_initstruct;
|
|
|
|
rtc_initstruct.Year = 2020;
|
|
rtc_initstruct.Month = 6;
|
|
rtc_initstruct.Date = 8;
|
|
rtc_initstruct.Hour = 12;
|
|
rtc_initstruct.Minute = 0;
|
|
rtc_initstruct.Second = 0;
|
|
rtc_initstruct.SecondIEn = 0;
|
|
rtc_initstruct.MinuteIEn = 0;
|
|
RTC_Init(RTC, &rtc_initstruct);
|
|
RTC_Start(RTC);
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t swm_rtc_get_secs(void *args)
|
|
{
|
|
*(rt_uint32_t *)args = swm_get_rtc_time_stamp();
|
|
LOG_D("RTC: get rtc_time %x\n", *(rt_uint32_t *)args);
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t swm_rtc_set_secs(void *args)
|
|
{
|
|
rt_err_t result = RT_EOK;
|
|
|
|
if (swm_set_rtc_time_stamp(*(rt_uint32_t *)args))
|
|
{
|
|
result = -RT_ERROR;
|
|
}
|
|
LOG_D("RTC: set rtc_time %x\n", *(rt_uint32_t *)args);
|
|
|
|
return result;
|
|
}
|
|
|
|
static const struct rt_rtc_ops swm_rtc_ops =
|
|
{
|
|
swm_rtc_init,
|
|
swm_rtc_get_secs,
|
|
swm_rtc_set_secs,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
};
|
|
|
|
static rt_rtc_dev_t swm_rtc_device;
|
|
|
|
int rt_hw_rtc_init(void)
|
|
{
|
|
rt_err_t result;
|
|
|
|
swm_rtc_device.ops = &swm_rtc_ops;
|
|
result = rt_hw_rtc_register(&swm_rtc_device, "rtc", RT_DEVICE_FLAG_RDWR,RT_NULL);
|
|
if (result != RT_EOK)
|
|
{
|
|
LOG_E("rtc register err code: %d", result);
|
|
return result;
|
|
}
|
|
LOG_D("rtc init success");
|
|
return RT_EOK;
|
|
}
|
|
INIT_DEVICE_EXPORT(rt_hw_rtc_init);
|
|
|
|
#endif /* BSP_USING_RTC */
|
|
#endif /* RT_USING_RTC */
|