125 lines
2.4 KiB
C
125 lines
2.4 KiB
C
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/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2024-01-13 ChuShicheng first version
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*/
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#include "board.h"
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#include <rtdevice.h>
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#include "hardware/rtc.h"
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#include "pico/util/datetime.h"
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#define DBG_LEVEL DBG_LOG
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#include <rtdbg.h>
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#define LOG_TAG "DRV.RTC"
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struct rtc_device_object
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{
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rt_rtc_dev_t rtc_dev;
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};
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static struct rtc_device_object rtc_device;
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static rt_err_t pico_rtc_get_timeval(struct timeval *tv)
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{
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datetime_t t;
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struct tm tm_new = {0};
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rtc_get_datetime(&t);
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tm_new.tm_sec = t.sec;
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tm_new.tm_min = t.min;
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tm_new.tm_hour = t.hour;
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tm_new.tm_wday = t.dotw;
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tm_new.tm_mday = t.day;
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tm_new.tm_mon = t.month - 1;
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tm_new.tm_year = t.year - 1900;
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tv->tv_sec = timegm(&tm_new);
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return RT_EOK;
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}
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static rt_err_t pico_rtc_init(void)
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{
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rtc_init();
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datetime_t t;
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t.sec = 0 ;
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t.min = 0;
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t.hour = 0;
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t.day = 01;
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t.month = 01;
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t.year = 1970;
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t.dotw = 4;
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rtc_set_datetime(&t);
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return RT_EOK;
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}
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static rt_err_t pico_rtc_get_secs(time_t *sec)
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{
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struct timeval tv;
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pico_rtc_get_timeval(&tv);
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*(time_t *) sec = tv.tv_sec;
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LOG_D("RTC: get rtc_time %d", *sec);
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return RT_EOK;
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}
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static rt_err_t pico_rtc_set_secs(time_t *sec)
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{
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rt_err_t result = RT_EOK;
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datetime_t t;
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struct tm tm = {0};
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gmtime_r(sec, &tm);
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t.sec = tm.tm_sec ;
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t.min = tm.tm_min ;
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t.hour = tm.tm_hour;
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t.day = tm.tm_mday;
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t.month = tm.tm_mon + 1;
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t.year = tm.tm_year + 1900;
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t.dotw = tm.tm_wday;
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rtc_set_datetime(&t);
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LOG_D("RTC: set rtc_time");
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#ifdef RT_USING_ALARM
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rt_alarm_update(&rtc_device.rtc_dev.parent, 1);
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#endif
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return result;
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}
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static const struct rt_rtc_ops pico_rtc_ops =
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{
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pico_rtc_init,
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pico_rtc_get_secs,
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pico_rtc_set_secs,
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RT_NULL,
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RT_NULL,
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pico_rtc_get_timeval,
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RT_NULL,
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};
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static int rt_hw_rtc_init(void)
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{
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rt_err_t result;
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rtc_device.rtc_dev.ops = &pico_rtc_ops;
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result = rt_hw_rtc_register(&rtc_device.rtc_dev, "rtc", RT_DEVICE_FLAG_RDWR, RT_NULL);
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if (result != RT_EOK)
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{
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LOG_E("rtc register err code: %d", result);
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return result;
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}
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LOG_D("rtc init success");
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return RT_EOK;
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}
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INIT_DEVICE_EXPORT(rt_hw_rtc_init);
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