124 lines
3.1 KiB
C
124 lines
3.1 KiB
C
/*
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* COPYRIGHT (C) 2011-2021, Real-Thread Information Technology Ltd
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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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* 2021-06-11 iysheng first version.
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*/
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#include <drivers/rtc_core.h>
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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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* This function initializes rtc_core
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*/
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static rt_err_t rt_rtc_core_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_core_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_core_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_core_control(struct rt_device *dev,
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int cmd,
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void *args)
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{
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rt_rtc_dev_t *rtc_core;
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rt_err_t ret = -RT_EINVAL;
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RT_ASSERT(dev != RT_NULL);
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rtc_core = (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_core, 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_core, 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_core, 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_core, 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_core, 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_core, 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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}
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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_core_init,
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rt_rtc_core_open,
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rt_rtc_core_close,
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RT_NULL,
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RT_NULL,
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rt_rtc_core_control,
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};
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#endif
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rt_err_t rt_rtc_dev_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_core_init;
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device->open = rt_rtc_core_open;
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device->close = rt_rtc_core_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_core_control;
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#endif
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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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