rt-thread-official/bsp/airm2m/air105/libraries/rt_drivers/drv_rtc.c

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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-02-22 airm2m first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include "board.h"
#include <sys/time.h>
#ifdef BSP_USING_ONCHIP_RTC
#ifndef RTC_BKP_DR1
#define RTC_BKP_DR1 RT_NULL
#endif
//#define DRV_DEBUG
#define LOG_TAG "drv.rtc"
#include <drv_log.h>
static rt_err_t air105_rtc_init(void)
{
RTC_GlobalInit();
return RT_EOK;
}
static rt_err_t air105_rtc_get_secs(void *args)
{
*(rt_uint32_t *) args = RTC_GetUTC();
LOG_D("RTC: get rtc_time %x\n", *(rt_uint32_t *)args);
return RT_EOK;
}
static rt_err_t air105_rtc_set_secs(void *args)
{
rt_err_t result = RT_EOK;
rt_uint32_t stamp = *(rt_uint32_t *)args;
RTC_SetStamp(stamp);
LOG_D("RTC: set rtc_time %x\n", *(rt_uint32_t *)args);
return result;
}
static rt_err_t air105_rtc_get_timeval(void *args)
{
struct timeval *tv = (struct timeval *) args;
tv->tv_sec = RTC_GetUTC();
return RT_EOK;
}
static const struct rt_rtc_ops air105_rtc_ops =
{
air105_rtc_init,
air105_rtc_get_secs,
air105_rtc_set_secs,
RT_NULL,
RT_NULL,
air105_rtc_get_timeval,
RT_NULL,
};
static rt_rtc_dev_t air105_rtc_dev;
static int rt_hw_rtc_init(void)
{
rt_err_t result;
air105_rtc_dev.ops = &air105_rtc_ops;
result = rt_hw_rtc_register(&air105_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_ONCHIP_RTC */