STM32HOSTUSB代码u8USH_User_App(void){u32total,free;u8res=0;Show_Str(30,140,200,16,"É豸Á¬½Ó³É¹¦!.",16,0);res=exf_getfree("2:",&total,&free);if(res==0){POINT_COLOR=BLUE;//ÉèÖÃ×ÖÌåΪÀ¶É«LCD_ShowString(30,160,200,16,16,"FATFSOK!");LCD_ShowString(30,180,200,16,16,&