/* * Copyright (c) 2006-2018, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2009-01-05 Bernard the first version * 2015-08-01 xiaonong the first version for stm32f7xx * 2016-01-15 ArdaFu the first version for stm32f4xx with STM32 HAL */ #ifndef __USART_H__ #define __USART_H__ extern int hw_usart_init(void); #endif