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@@ -10,6 +10,8 @@
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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 <time.h>
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@@ -20,7 +22,117 @@
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#ifdef RT_USING_RTC
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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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+
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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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+
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+ return -RT_ENOSYS;
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+}
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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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+
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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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+
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+ rt_rtc_dev_t *rtc_device;
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+ rt_err_t ret = -RT_EINVAL;
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+
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+ RT_ASSERT(dev != RT_NULL);
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+ rtc_device = (rt_rtc_dev_t *)dev;
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+
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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_TIME_US:
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+ ret = TRY_DO_RTC_FUNC(rtc_device, get_usecs, args);
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+ break;
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+ case RT_DEVICE_CTRL_RTC_SET_TIME_US:
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+ ret = TRY_DO_RTC_FUNC(rtc_device, set_usecs, 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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+
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+ return ret;
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+
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+#undef TRY_DO_RTC_FUNC
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+}
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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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+
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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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+
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+ device = &(rtc->parent);
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+
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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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+
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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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+
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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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@@ -30,12 +142,10 @@
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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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*/
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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;
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- struct tm *p_tm;
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struct tm tm_new;
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rt_device_t device;
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rt_err_t ret = -RT_ERROR;
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@@ -43,14 +153,8 @@ rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day)
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/* get current time */
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now = time(RT_NULL);
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- /* lock scheduler. */
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- rt_enter_critical();
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/* converts calendar time into local time. */
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- p_tm = localtime(&now);
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- /* copy the statically located variable */
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- rt_memcpy(&tm_new, p_tm, sizeof(struct tm));
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- /* unlock scheduler. */
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- rt_exit_critical();
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+ localtime_r(&now, &tm_new);
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/* update date. */
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tm_new.tm_year = year - 1900;
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@@ -80,12 +184,10 @@ rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day)
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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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*/
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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;
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- struct tm *p_tm;
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struct tm tm_new;
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rt_device_t device;
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rt_err_t ret = -RT_ERROR;
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@@ -93,14 +195,8 @@ rt_err_t set_time(rt_uint32_t hour, rt_uint32_t minute, rt_uint32_t second)
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/* get current time */
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now = time(RT_NULL);
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- /* lock scheduler. */
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- rt_enter_critical();
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/* converts calendar time into local time. */
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- p_tm = localtime(&now);
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- /* copy the statically located variable */
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- rt_memcpy(&tm_new, p_tm, sizeof(struct tm));
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- /* unlock scheduler. */
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- rt_exit_critical();
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+ localtime_r(&now, &tm_new);
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/* update time. */
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tm_new.tm_hour = hour;
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