STM32 HID USB开发例程（文档），包括下位机 上位机驱动以及VC6上位机编写， 整个过程都有详细的分析，图文并茂，非常好的参考例子。-STM32 HID USB develop routines (document), including lower machine PC-driven and VC6 host computer to write, The whole process has a detailed analysis, with the aid of d