124 lines
2.8 KiB
C
124 lines
2.8 KiB
C
/*
|
|
* Copyright (c) 2006-2022, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2021-08-31 AisinoChip first add to bsp
|
|
*/
|
|
|
|
#include "board.h"
|
|
#include <sys/time.h>
|
|
#include <rtdevice.h>
|
|
|
|
#ifdef BSP_USING_RTC
|
|
|
|
static RTC_ConfigTypeDef RTC_Handle;
|
|
|
|
rt_inline rt_uint8_t dec2hex(rt_uint8_t dec)
|
|
{
|
|
return ((dec / 10) << 4) + (dec % 10);
|
|
}
|
|
|
|
rt_inline rt_uint8_t hex2dec(rt_uint8_t hex)
|
|
{
|
|
return ((hex / 16) * 10) + (hex % 16);
|
|
}
|
|
|
|
static time_t get_rtc_timestamp(void)
|
|
{
|
|
RTC_TimeTypeDef RTC_TimeStruct = {0};
|
|
RTC_DateTypeDef RTC_DateStruct = {0};
|
|
struct tm tm_new = {0};
|
|
|
|
HAL_RTC_GetTime(&RTC_TimeStruct);
|
|
HAL_RTC_GetDate(&RTC_DateStruct);
|
|
|
|
tm_new.tm_sec = hex2dec(RTC_TimeStruct.u8_Seconds);
|
|
tm_new.tm_min = hex2dec(RTC_TimeStruct.u8_Minutes);
|
|
tm_new.tm_hour = hex2dec(RTC_TimeStruct.u8_Hours);
|
|
tm_new.tm_mday = hex2dec(RTC_DateStruct.u8_Date);
|
|
tm_new.tm_mon = hex2dec(RTC_DateStruct.u8_Month) - 1;
|
|
tm_new.tm_year = hex2dec(RTC_DateStruct.u8_Year) + 100;
|
|
|
|
return timegm(&tm_new);
|
|
}
|
|
|
|
static rt_err_t set_rtc_time_stamp(time_t time_stamp)
|
|
{
|
|
RTC_TimeTypeDef RTC_TimeStruct = {0};
|
|
RTC_DateTypeDef RTC_DateStruct = {0};
|
|
struct tm *p_tm;
|
|
|
|
p_tm = gmtime(&time_stamp);
|
|
if (p_tm->tm_year < 100)
|
|
{
|
|
return -RT_ERROR;
|
|
}
|
|
|
|
RTC_TimeStruct.u8_Seconds = dec2hex(p_tm->tm_sec);
|
|
RTC_TimeStruct.u8_Minutes = dec2hex(p_tm->tm_min);
|
|
RTC_TimeStruct.u8_Hours = dec2hex(p_tm->tm_hour);
|
|
RTC_DateStruct.u8_Date = dec2hex(p_tm->tm_mday);
|
|
RTC_DateStruct.u8_Month = dec2hex(p_tm->tm_mon + 1);
|
|
RTC_DateStruct.u8_Year = dec2hex(p_tm->tm_year - 100);
|
|
RTC_DateStruct.u8_WeekDay = dec2hex(p_tm->tm_wday) + 1;
|
|
|
|
HAL_RTC_SetTime(&RTC_TimeStruct);
|
|
HAL_RTC_SetDate(&RTC_DateStruct);
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t _rtc_init(void)
|
|
{
|
|
RTC_Handle.u32_ClockSource = RTC_CLOCK_XTL;
|
|
RTC_Handle.u32_Compensation = COMPENSATION_INCREASE;
|
|
RTC_Handle.u32_CompensationValue = 0x05;
|
|
|
|
HAL_RTC_Config(&RTC_Handle);
|
|
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t _rtc_get_secs(void *args)
|
|
{
|
|
*(rt_uint32_t *)args = get_rtc_timestamp();
|
|
return RT_EOK;
|
|
}
|
|
|
|
static rt_err_t _rtc_set_secs(void *args)
|
|
{
|
|
rt_err_t result = RT_EOK;
|
|
if (set_rtc_time_stamp(*(rt_uint32_t *)args))
|
|
{
|
|
result = -RT_ERROR;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static const struct rt_rtc_ops acm32_rtc_ops =
|
|
{
|
|
_rtc_init,
|
|
_rtc_get_secs,
|
|
_rtc_set_secs,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
};
|
|
|
|
static rt_rtc_dev_t acm32_rtc_dev;
|
|
|
|
static int rt_hw_rtc_init(void)
|
|
{
|
|
acm32_rtc_dev.ops = &acm32_rtc_ops;
|
|
|
|
return rt_hw_rtc_register(&acm32_rtc_dev, "rtc", RT_DEVICE_FLAG_RDWR, RT_NULL);
|
|
}
|
|
INIT_DEVICE_EXPORT(rt_hw_rtc_init);
|
|
#endif /* BSP_USING_RTC */
|
|
|