我自己写的．在stm32f103c8上实现ＵＳＢ稳定通信．该项目很简单．根据ＵＳＢ上获取的命令通过ＳＰＩ接口与外部设备操作．请使用该ＵＳＢ程序时写出出处．谢谢！-I wrote it myself. USB to achieve stability in the stm32f103c8 communication. The project is simple. Acquired under the USB command on the interface with external device