STM32的USART库文件
/** * @author Tilen Majerle * @email tilen@majerle.eu * @website http://stm32f4-discovery.com * @link http://stm32f4-discovery.com/2014/04/library-04-connect-stm32f429-discovery-to-computer-with-usart/ * @version v2.5 * @ide Keil uVision * @license GNU GPL v3 * @brief USART Library for STM32F4 with receive interrupt * @verbatim