376 lines
10 KiB
C
Executable File
376 lines
10 KiB
C
Executable File
/*
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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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* 2012-01-29 aozima first version.
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* 2012-04-12 aozima optimization: find rtc device only first.
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* 2012-04-16 aozima add scheduler lock for set_date and set_time.
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* 2018-02-16 armink add auto sync time by NTP
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* 2021-05-09 Meco Man remove NTP
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* 2021-06-11 iysheng implement RTC framework V2.0
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* 2021-07-30 Meco Man move rtc_core.c to rtc.c
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <rtthread.h>
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#include <drivers/rtc.h>
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#ifdef RT_USING_RTC
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static rt_device_t _rtc_device;
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/*
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* This function initializes rtc_core
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*/
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static rt_err_t rt_rtc_init(struct rt_device *dev)
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{
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rt_rtc_dev_t *rtc_core;
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RT_ASSERT(dev != RT_NULL);
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rtc_core = (rt_rtc_dev_t *)dev;
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if (rtc_core->ops->init)
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{
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return (rtc_core->ops->init());
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}
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return -RT_ENOSYS;
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}
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static rt_err_t rt_rtc_open(struct rt_device *dev, rt_uint16_t oflag)
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{
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return RT_EOK;
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}
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static rt_err_t rt_rtc_close(struct rt_device *dev)
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{
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/* Add close member function in rt_rtc_ops when need,
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* then call that function here.
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* */
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return RT_EOK;
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}
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static rt_err_t rt_rtc_control(struct rt_device *dev, int cmd, void *args)
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{
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#define TRY_DO_RTC_FUNC(rt_rtc_dev, func_name, args) \
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rt_rtc_dev->ops->func_name ? rt_rtc_dev->ops->func_name(args) : -RT_EINVAL;
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rt_rtc_dev_t *rtc_device;
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rt_err_t ret = -RT_EINVAL;
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RT_ASSERT(dev != RT_NULL);
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rtc_device = (rt_rtc_dev_t *)dev;
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switch (cmd)
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{
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case RT_DEVICE_CTRL_RTC_GET_TIME:
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ret = TRY_DO_RTC_FUNC(rtc_device, get_secs, args);
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break;
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case RT_DEVICE_CTRL_RTC_SET_TIME:
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ret = TRY_DO_RTC_FUNC(rtc_device, set_secs, args);
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break;
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case RT_DEVICE_CTRL_RTC_GET_TIMEVAL:
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ret = TRY_DO_RTC_FUNC(rtc_device, get_timeval, args);
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break;
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case RT_DEVICE_CTRL_RTC_SET_TIMEVAL:
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ret = TRY_DO_RTC_FUNC(rtc_device, set_timeval, args);
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break;
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case RT_DEVICE_CTRL_RTC_GET_ALARM:
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ret = TRY_DO_RTC_FUNC(rtc_device, get_alarm, args);
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break;
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case RT_DEVICE_CTRL_RTC_SET_ALARM:
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ret = TRY_DO_RTC_FUNC(rtc_device, set_alarm, args);
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break;
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default:
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break;
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}
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return ret;
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#undef TRY_DO_RTC_FUNC
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}
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#ifdef RT_USING_DEVICE_OPS
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const static struct rt_device_ops rtc_core_ops =
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{
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rt_rtc_init,
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rt_rtc_open,
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rt_rtc_close,
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RT_NULL,
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RT_NULL,
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rt_rtc_control,
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};
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#endif /* RT_USING_DEVICE_OPS */
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rt_err_t rt_hw_rtc_register(rt_rtc_dev_t *rtc,
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const char *name,
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rt_uint32_t flag,
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void *data)
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{
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struct rt_device *device;
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RT_ASSERT(rtc != RT_NULL);
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device = &(rtc->parent);
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device->type = RT_Device_Class_RTC;
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device->rx_indicate = RT_NULL;
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device->tx_complete = RT_NULL;
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#ifdef RT_USING_DEVICE_OPS
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device->ops = &rtc_core_ops;
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#else
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device->init = rt_rtc_init;
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device->open = rt_rtc_open;
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device->close = rt_rtc_close;
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device->read = RT_NULL;
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device->write = RT_NULL;
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device->control = rt_rtc_control;
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#endif /* RT_USING_DEVICE_OPS */
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device->user_data = data;
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/* register a character device */
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return rt_device_register(device, name, flag);
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}
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/**
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* Set system date(time not modify, local timezone).
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*
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* @param rt_uint32_t year e.g: 2012.
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* @param rt_uint32_t month e.g: 12 (1~12).
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* @param rt_uint32_t day e.g: 31.
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*
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* @return rt_err_t if set success, return RT_EOK.
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*/
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rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day)
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{
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time_t now, old_timestamp = 0;
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struct tm tm_new = {0};
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rt_err_t ret = -RT_ERROR;
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if (_rtc_device == RT_NULL)
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{
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_rtc_device = rt_device_find("rtc");
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if (_rtc_device == RT_NULL)
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{
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return -RT_ERROR;
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}
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}
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/* get current time */
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ret = rt_device_control(_rtc_device, RT_DEVICE_CTRL_RTC_GET_TIME, &old_timestamp);
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if (ret != RT_EOK)
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{
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return ret;
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}
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/* converts calendar time into local time. */
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localtime_r(&old_timestamp, &tm_new);
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/* update date. */
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tm_new.tm_year = year - 1900;
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tm_new.tm_mon = month - 1; /* tm_mon: 0~11 */
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tm_new.tm_mday = day;
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/* converts the local time into the calendar time. */
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now = mktime(&tm_new);
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/* update to RTC device. */
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ret = rt_device_control(_rtc_device, RT_DEVICE_CTRL_RTC_SET_TIME, &now);
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return ret;
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}
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/**
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* Set system time(date not modify, local timezone).
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*
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* @param rt_uint32_t hour e.g: 0~23.
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* @param rt_uint32_t minute e.g: 0~59.
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* @param rt_uint32_t second e.g: 0~59.
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*
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* @return rt_err_t if set success, return RT_EOK.
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*/
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rt_err_t set_time(rt_uint32_t hour, rt_uint32_t minute, rt_uint32_t second)
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{
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time_t now, old_timestamp = 0;
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struct tm tm_new = {0};
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rt_err_t ret = -RT_ERROR;
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if (_rtc_device == RT_NULL)
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{
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_rtc_device = rt_device_find("rtc");
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if (_rtc_device == RT_NULL)
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{
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return -RT_ERROR;
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}
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}
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/* get current time */
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ret = rt_device_control(_rtc_device, RT_DEVICE_CTRL_RTC_GET_TIME, &old_timestamp);
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if (ret != RT_EOK)
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{
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return ret;
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}
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/* converts calendar time into local time. */
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localtime_r(&old_timestamp, &tm_new);
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/* update time. */
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tm_new.tm_hour = hour;
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tm_new.tm_min = minute;
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tm_new.tm_sec = second;
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/* converts the local time into the calendar time. */
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now = mktime(&tm_new);
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/* update to RTC device. */
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ret = rt_device_control(_rtc_device, RT_DEVICE_CTRL_RTC_SET_TIME, &now);
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return ret;
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}
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/**
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* Set timestamp(UTC).
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*
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* @param time_t timestamp
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*
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* @return rt_err_t if set success, return RT_EOK.
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*/
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rt_err_t set_timestamp(time_t timestamp)
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{
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if (_rtc_device == RT_NULL)
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{
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_rtc_device = rt_device_find("rtc");
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if (_rtc_device == RT_NULL)
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{
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return -RT_ERROR;
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}
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}
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/* update to RTC device. */
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return rt_device_control(_rtc_device, RT_DEVICE_CTRL_RTC_SET_TIME, ×tamp);
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}
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/**
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* Get timestamp(UTC).
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*
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* @param time_t* timestamp
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*
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* @return rt_err_t if set success, return RT_EOK.
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*/
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rt_err_t get_timestamp(time_t *timestamp)
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{
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if (_rtc_device == RT_NULL)
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{
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_rtc_device = rt_device_find("rtc");
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if (_rtc_device == RT_NULL)
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{
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return -RT_ERROR;
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}
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}
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/* Get timestamp from RTC device. */
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return rt_device_control(_rtc_device, RT_DEVICE_CTRL_RTC_GET_TIME, timestamp);
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}
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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/**
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* get date and time or set (local timezone) [year month day hour min sec]
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*/
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static void date(int argc, char **argv)
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{
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time_t now = (time_t)0;
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if (argc == 1)
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{
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struct timeval tv = { 0 };
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int32_t tz_offset_sec = 0;
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uint32_t abs_tz_offset_sec = 0U;
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#if defined(RT_LIBC_USING_LIGHT_TZ_DST)
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tz_offset_sec = rt_tz_get();
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#endif /* RT_LIBC_USING_LIGHT_TZ_DST */
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gettimeofday(&tv, RT_NULL);
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now = tv.tv_sec;
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abs_tz_offset_sec = tz_offset_sec > 0 ? tz_offset_sec : -tz_offset_sec;
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/* output current time */
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rt_kprintf("local time: %.*s", 25U, ctime(&now));
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rt_kprintf("timestamps: %ld\n", (long)tv.tv_sec);
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rt_kprintf("timezone: UTC%c%02d:%02d:%02d\n",
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tz_offset_sec > 0 ? '+' : '-', abs_tz_offset_sec / 3600U, abs_tz_offset_sec % 3600U / 60U, abs_tz_offset_sec % 3600U % 60U);
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}
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else if (argc >= 7)
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{
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/* set time and date */
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struct tm tm_new = {0};
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time_t old = (time_t)0;
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rt_err_t err;
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tm_new.tm_year = atoi(argv[1]) - 1900;
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tm_new.tm_mon = atoi(argv[2]) - 1; /* .tm_min's range is [0-11] */
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tm_new.tm_mday = atoi(argv[3]);
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tm_new.tm_hour = atoi(argv[4]);
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tm_new.tm_min = atoi(argv[5]);
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tm_new.tm_sec = atoi(argv[6]);
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if (tm_new.tm_year <= 0)
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{
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rt_kprintf("year is out of range [1900-]\n");
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return;
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}
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if (tm_new.tm_mon > 11) /* .tm_min's range is [0-11] */
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{
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rt_kprintf("month is out of range [1-12]\n");
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return;
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}
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if (tm_new.tm_mday == 0 || tm_new.tm_mday > 31)
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{
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rt_kprintf("day is out of range [1-31]\n");
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return;
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}
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if (tm_new.tm_hour > 23)
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{
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rt_kprintf("hour is out of range [0-23]\n");
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return;
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}
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if (tm_new.tm_min > 59)
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{
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rt_kprintf("minute is out of range [0-59]\n");
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return;
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}
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if (tm_new.tm_sec > 60)
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{
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rt_kprintf("second is out of range [0-60]\n");
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return;
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}
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/* save old timestamp */
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err = get_timestamp(&old);
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if (err != RT_EOK)
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{
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rt_kprintf("Get current timestamp failed. %d\n", err);
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return;
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}
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/* converts the local time into the calendar time. */
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now = mktime(&tm_new);
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err = set_timestamp(now);
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if (err != RT_EOK)
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{
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rt_kprintf("set date failed. %d\n", err);
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return;
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}
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get_timestamp(&now); /* get new timestamp */
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rt_kprintf("old: %.*s", 25, ctime(&old));
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rt_kprintf("now: %.*s", 25, ctime(&now));
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}
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else
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{
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rt_kprintf("please input: date [year month day hour min sec] or date\n");
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rt_kprintf("e.g: date 2018 01 01 23 59 59 or date\n");
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}
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}
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MSH_CMD_EXPORT(date, get date and time or set (local timezone) [year month day hour min sec])
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#endif /* RT_USING_FINSH */
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#endif /* RT_USING_RTC */
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