rt-thread/bsp/stm32f40x/drivers/stm32f4_rtc.h

/*
 * Copyright (c) 2006-2018, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2015-09-29     FlyM	       the first version
 */

#ifndef __STM32F4_RTC_H__
#define __STM32F4_RTC_H__

#define RTC_CLOCK_SOURCE_LSE

void rt_hw_rtc_init(void);

#endif