CDC类现在ST已经发布了例程,下载地址如下: http://www.stmcu.com/familiesdocs-86.html#Firmware
STR7/STR9 USB developer kit software 包括了多个USB例程,有 ■ Joystick mouse demo: Interrupt transfer ■ Mass storage demo: Bulk transfer ■ Virtual COM port: Bulk transfer ■ USB voice demo (speaker and microphone): Isochronous transfer 并且附带有详细的文档 |