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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-03-15 picospuch Porting for maxiam32660
*/
#include "drivers/dev_rtc.h"
#include "board.h"
#include <sys/time.h>
#ifdef BSP_USING_ONCHIP_RTC
#define DBG_LEVEL DBG_INFO
#include <rtdbg.h>
#define LOG_TAG "drv.rtc"
static struct rt_device rtc;
static sys_cfg_rtc_t sys_cfg;
static time_t get_rtc_timestamp(void)
{
LOG_D("get rtc time.");
return RTC_GetSecond();
}
static rt_err_t set_rtc_time_stamp(time_t time_stamp)
{
LOG_D("set rtc time.");
if (RTC_Init(MXC_RTC, time_stamp, 0, &sys_cfg) != E_SUCCESS) {
return -RT_ERROR;
}
if (RTC_EnableRTCE(MXC_RTC) != E_SUCCESS) {
return -RT_ERROR;
}
return RT_EOK;
}
static void rt_rtc_init(void)
{
sys_cfg.tmr = MXC_TMR0;
RTC_Init(MXC_RTC, 0, 0, &sys_cfg);
}
static rt_err_t rt_rtc_config(struct rt_device *dev)
{
if (RTC_EnableRTCE(MXC_RTC) != E_SUCCESS) {
return -RT_ERROR;
}
return RT_EOK;
}
static rt_err_t rt_rtc_control(rt_device_t dev, int cmd, void *args)
{
rt_err_t result = RT_EOK;
RT_ASSERT(dev != RT_NULL);
switch (cmd)
{
case RT_DEVICE_CTRL_RTC_GET_TIME:
*(time_t *)args = get_rtc_timestamp();
LOG_D("RTC: get rtc_time %x\n", *(time_t *)args);
break;
case RT_DEVICE_CTRL_RTC_SET_TIME:
if (set_rtc_time_stamp(*(time_t *)args))
{
result = -RT_ERROR;
}
LOG_D("RTC: set rtc_time %x\n", *(time_t *)args);
break;
}
return result;
}
#ifdef RT_USING_DEVICE_OPS
const static struct rt_device_ops rtc_ops =
{
RT_NULL,
RT_NULL,
RT_NULL,
RT_NULL,
RT_NULL,
rt_rtc_control
};
#endif
static rt_err_t rt_hw_rtc_register(rt_device_t device, const char *name, rt_uint32_t flag)
{
RT_ASSERT(device != RT_NULL);
rt_rtc_init();
if (rt_rtc_config(device) != RT_EOK)
{
return -RT_ERROR;
}
#ifdef RT_USING_DEVICE_OPS
device->ops = &rtc_ops;
#else
device->init = RT_NULL;
device->open = RT_NULL;
device->close = RT_NULL;
device->read = RT_NULL;
device->write = RT_NULL;
device->control = rt_rtc_control;
#endif
device->type = RT_Device_Class_RTC;
device->rx_indicate = RT_NULL;
device->tx_complete = RT_NULL;
device->user_data = RT_NULL;
/* register a character device */
return rt_device_register(device, name, flag);
}
int rt_hw_rtc_init(void)
{
rt_err_t result;
result = rt_hw_rtc_register(&rtc, "rtc", RT_DEVICE_FLAG_RDWR);
if (result != RT_EOK)
{
LOG_E("rtc register err code: %d", result);
return result;
}
LOG_D("rtc init success");
return RT_EOK;
}
INIT_DEVICE_EXPORT(rt_hw_rtc_init);
#endif /* BSP_USING_ONCHIP_RTC */
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