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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
* Copyright (c) 2022, xiaoxiaolisunny
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-06-10 xiaoxiaolisunny first version
*/
#include <board.h>
#include <rtdbg.h>
#include <rtthread.h>
#include <rtdevice.h>
#include <sys/time.h>
#ifdef BSP_USING_RTC
static rt_rtc_dev_t hc32_rtc_dev;
static rt_err_t hc32_rtc_get_time_stamp(struct timeval *tv)
{
stc_rtc_time_t stcRtcTime = {0};
stc_rtc_date_t stcRtcDate = {0};
struct tm tm_new = {0};
RTC_GetTime(RTC_DATA_FMT_DEC, &stcRtcTime);
RTC_GetDate(RTC_DATA_FMT_DEC, &stcRtcDate);
tm_new.tm_sec = stcRtcTime.u8Second;
tm_new.tm_min = stcRtcTime.u8Minute;
tm_new.tm_hour = stcRtcTime.u8Hour;
if(stcRtcDate.u8Month == 0)
{
tm_new.tm_mday = stcRtcDate.u8Day + 1;
tm_new.tm_mon = stcRtcDate.u8Month;
}
else
{
tm_new.tm_mday = stcRtcDate.u8Day ;
tm_new.tm_mon = stcRtcDate.u8Month - 1;
}
tm_new.tm_year = stcRtcDate.u8Year + 100;
tv->tv_sec = timegm(&tm_new);
return RT_EOK;
}
static rt_err_t hc32_rtc_set_time_stamp(time_t time_stamp)
{
stc_rtc_time_t stcRtcTime = {0};
stc_rtc_date_t stcRtcDate = {0};
struct tm p_tm = {0};
gmtime_r(&time_stamp, &p_tm);
if (p_tm.tm_year < 100)
{
return -RT_ERROR;
}
stcRtcTime.u8Second = p_tm.tm_sec ;
stcRtcTime.u8Minute = p_tm.tm_min ;
stcRtcTime.u8Hour = p_tm.tm_hour;
stcRtcDate.u8Day = p_tm.tm_mday;
stcRtcDate.u8Month = p_tm.tm_mon + 1;
stcRtcDate.u8Year = p_tm.tm_year - 100;
stcRtcDate.u8Weekday = p_tm.tm_wday;
if (LL_OK != RTC_SetTime(RTC_DATA_FMT_DEC, &stcRtcTime))
{
return -RT_ERROR;
}
if (LL_OK != RTC_SetDate(RTC_DATA_FMT_DEC, &stcRtcDate))
{
return -RT_ERROR;
}
LOG_D("set rtc time.");
return RT_EOK;
}
static rt_err_t hc32_rtc_init(void)
{
stc_rtc_init_t stcRtcInit;
#ifdef BSP_RTC_USING_XTAL32
stc_clock_xtal32_init_t stcXtal32Init;
/* Xtal32 config */
stcXtal32Init.u8State = CLK_XTAL32_ON;
stcXtal32Init.u8Drv = CLK_XTAL32_DRV_HIGH;
stcXtal32Init.u8Filter = CLK_XTAL32_FILTER_RUN_MD;
(void)CLK_Xtal32Init(&stcXtal32Init);
/* Waiting for XTAL32 stabilization */
rt_thread_delay(100);
#endif
/* RTC stopped */
if (DISABLE == RTC_GetCounterState())
{
/* Reset RTC counter */
if (LL_ERR_TIMEOUT == RTC_DeInit())
{
return -RT_ERROR;
}
else
{
/* Configure structure initialization */
(void)RTC_StructInit(&stcRtcInit);
/* Configuration RTC structure */
#ifdef BSP_RTC_USING_XTAL32
stcRtcInit.u8ClockSrc = RTC_CLK_SRC_XTAL32;
#else
stcRtcInit.u8ClockSrc = RTC_CLK_SRC_LRC;
#endif
stcRtcInit.u8HourFormat = RTC_HOUR_FMT_24H;
(void)RTC_Init(&stcRtcInit);
/* Startup RTC count */
RTC_Cmd(ENABLE);
}
}
return RT_EOK;
}
static rt_err_t hc32_rtc_get_secs(time_t *sec)
{
struct timeval tv;
hc32_rtc_get_time_stamp(&tv);
*(time_t *) sec = tv.tv_sec;
LOG_D("RTC: get rtc_time %d", *sec);
return RT_EOK;
}
static rt_err_t hc32_rtc_set_secs(time_t *sec)
{
rt_err_t result = RT_EOK;
if (hc32_rtc_set_time_stamp(*sec))
{
result = -RT_ERROR;
}
LOG_D("RTC: set rtc_time %d", *sec);
return result;
}
const static struct rt_rtc_ops hc32_rtc_ops =
{
hc32_rtc_init,
hc32_rtc_get_secs,
hc32_rtc_set_secs,
RT_NULL,
RT_NULL,
hc32_rtc_get_time_stamp,
RT_NULL
};
int rt_hw_rtc_init(void)
{
rt_err_t result;
hc32_rtc_dev.ops = &hc32_rtc_ops;
result = rt_hw_rtc_register(&hc32_rtc_dev, "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 */
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