138 lines
2.9 KiB
C
138 lines
2.9 KiB
C
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/*
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* Copyright (c) 2006-2018, 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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* 2021-03-15 picospuch Porting for maxiam32660
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*/
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#include "rtc.h"
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#include "board.h"
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#include <sys/time.h>
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#ifdef BSP_USING_ONCHIP_RTC
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#define DBG_LEVEL DBG_INFO
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#include <rtdbg.h>
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#define LOG_TAG "drv.rtc"
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static struct rt_device rtc;
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static sys_cfg_rtc_t sys_cfg;
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static time_t get_rtc_timestamp(void)
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{
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LOG_D("get rtc time.");
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return RTC_GetSecond();
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}
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static rt_err_t set_rtc_time_stamp(time_t time_stamp)
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{
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LOG_D("set rtc time.");
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if (RTC_Init(MXC_RTC, time_stamp, 0, &sys_cfg) != E_SUCCESS) {
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return -RT_ERROR;
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}
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if (RTC_EnableRTCE(MXC_RTC) != E_SUCCESS) {
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return -RT_ERROR;
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}
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return RT_EOK;
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}
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static void rt_rtc_init(void)
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{
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sys_cfg.tmr = MXC_TMR0;
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RTC_Init(MXC_RTC, 0, 0, &sys_cfg);
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}
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static rt_err_t rt_rtc_config(struct rt_device *dev)
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{
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if (RTC_EnableRTCE(MXC_RTC) != E_SUCCESS) {
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return -RT_ERROR;
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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(rt_device_t dev, int cmd, void *args)
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{
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rt_err_t result = RT_EOK;
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RT_ASSERT(dev != RT_NULL);
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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 = get_rtc_timestamp();
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LOG_D("RTC: get rtc_time %x\n", *(rt_uint32_t *)args);
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break;
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case RT_DEVICE_CTRL_RTC_SET_TIME:
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if (set_rtc_time_stamp(*(rt_uint32_t *)args))
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{
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result = -RT_ERROR;
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}
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LOG_D("RTC: set rtc_time %x\n", *(rt_uint32_t *)args);
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break;
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}
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return result;
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}
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#ifdef RT_USING_DEVICE_OPS
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const static struct rt_device_ops rtc_ops =
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{
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RT_NULL,
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RT_NULL,
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RT_NULL,
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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
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static rt_err_t rt_hw_rtc_register(rt_device_t device, const char *name, rt_uint32_t flag)
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{
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RT_ASSERT(device != RT_NULL);
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rt_rtc_init();
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if (rt_rtc_config(device) != RT_EOK)
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{
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return -RT_ERROR;
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}
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#ifdef RT_USING_DEVICE_OPS
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device->ops = &rtc_ops;
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#else
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device->init = RT_NULL;
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device->open = RT_NULL;
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device->close = RT_NULL;
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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
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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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device->user_data = RT_NULL;
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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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int rt_hw_rtc_init(void)
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{
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rt_err_t result;
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result = rt_hw_rtc_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 register err code: %d", result);
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return result;
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}
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LOG_D("rtc init success");
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return RT_EOK;
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}
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INIT_DEVICE_EXPORT(rt_hw_rtc_init);
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#endif /* BSP_USING_ONCHIP_RTC */
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