rt-thread/bsp/wch/risc-v/Libraries/ch32_drivers/drv_usart.h

/*
 * Copyright (c) 2006-2022, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2009-01-05     Bernard      the first version
 */
#ifndef __USART_H__
#define __USART_H__
#include "rthw.h"
#include "rtthread.h"

int rt_hw_usart_init(void);
#endif