91 lines
2.0 KiB
C
91 lines
2.0 KiB
C
/*
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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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* 2023-03-13 wcx1024979076 the first version
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*/
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#include <rtdevice.h>
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#include "board.h"
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#include "drv_rtc.h"
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#ifdef BSP_USING_RTC
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#define DBG_TAG "DRV.RTC"
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#define DBG_LVL DBG_WARNING
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#include <rtdbg.h>
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static struct rt_device rtc;
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static rt_uint32_t rtc_time;
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static rt_err_t _rtc_open(rt_device_t dev, rt_uint16_t oflag)
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{
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if (dev->rx_indicate != RT_NULL)
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{
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/* Open Interrupt */
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}
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return RT_EOK;
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}
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static rt_ssize_t _rtc_read(
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rt_device_t dev,
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rt_off_t pos,
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void* buffer,
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rt_size_t size)
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{
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return 0;
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}
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static rt_err_t _rtc_control(rt_device_t dev, int cmd, void *args)
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{
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RT_ASSERT(dev != RT_NULL);
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struct bflb_device_s* bflb_rtc = bflb_device_get_by_name("rtc");
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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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*(rt_uint32_t *)args = rtc_time + BFLB_RTC_TIME2SEC(bflb_rtc_get_time(bflb_rtc));
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break;
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case RT_DEVICE_CTRL_RTC_SET_TIME:
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rtc_time = *(rt_uint32_t *)args;
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bflb_rtc_set_time(bflb_rtc, 0);
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break;
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}
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return RT_EOK;
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}
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int rt_hw_rtc_init(void)
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{
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int result = RT_EOK;
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struct bflb_device_s* bflb_rtc = bflb_device_get_by_name("rtc");
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bflb_rtc_set_time(bflb_rtc, 0);
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/* register rtc device */
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rtc.type = RT_Device_Class_RTC;
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rtc.rx_indicate = RT_NULL;
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rtc.tx_complete = RT_NULL;
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rtc.init = RT_NULL;
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rtc.open = _rtc_open;
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rtc.close = RT_NULL;
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rtc.read = _rtc_read;
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rtc.write = RT_NULL;
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rtc.control = _rtc_control;
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rtc.user_data = RT_NULL; /* no private */
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result = rt_device_register(&rtc, "rtc", RT_DEVICE_FLAG_RDWR);
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if(result != RT_EOK)
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{
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LOG_E("rtc device register fail.");
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}
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return result;
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}
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INIT_DEVICE_EXPORT(rt_hw_rtc_init);
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#endif /* BSP_USING_RTC */
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