hello this is usb sound card use stm32 mcu usb slave devices ssssssssssssssss

E51_USB_SoundCard\CORE\core_cm3.c
E51_USB_SoundCard\CORE\core_cm3.h
E51_USB_SoundCard\CORE\startup_stm32f10x_hd.s
E51_USB_SoundCard\CORE\startup_stm32f10x_md.s
E51_USB_SoundCard\HARDWARE\AUDIOSEL\audiosel.c
E51_USB_SoundCard\HARDWARE\AUDIOSEL\audiosel.h
E51_USB_SoundCard\HARDWARE\KEY\key.c
E51_USB_SoundCard\HARDWARE\KEY\key.h
E51_USB_SoundCard\HARDWARE\LCD\font.h
E51_USB_SoundCard\HARDWARE\LCD\lcd.c
E51_USB_SoundCard\HARDWARE\LCD\lcd.h
E51_USB_SoundCard\HARDWARE\LED\led.c
E51_USB_SoundCard\HARDWARE\LED\led.h
E51_USB_SoundCard\keilkilll.bat
E51_USB_SoundCard\OBJ\audiosel.crf
E51_USB_SoundCard\OBJ\audiosel.d
E51_USB_SoundCard\OBJ\audiosel.o
E51_USB_SoundCard\OBJ\core_cm3.crf
E51_USB_SoundCard\OBJ\core_cm3.d
E51_USB_SoundCard\OBJ\core_cm3.o
E51_USB_SoundCard\OBJ\delay.crf
E51_USB_SoundCard\OBJ\delay.d
E51_USB_SoundCard\OBJ\delay.o
E51_USB_SoundCard\OBJ\ExtDll.iex
E51_USB_SoundCard\OBJ\hw_config.crf
E51_USB_SoundCard\OBJ\hw_config.d
E51_USB_SoundCard\OBJ\hw_config.o
E51_USB_SoundCard\OBJ\key.crf
E51_USB_SoundCard\OBJ\key.d
E51_USB_SoundCard\OBJ\key.o
E51_USB_SoundCard\OBJ\lcd.crf
E51_USB_SoundCard\OBJ\lcd.d
E51_USB_SoundCard\OBJ\lcd.o
E51_USB_SoundCard\OBJ\led.crf
E51_USB_SoundCard\OBJ\led.d
E51_USB_SoundCard\OBJ\led.o
E51_USB_SoundCard\OBJ\main.crf
E51_USB_SoundCard\OBJ\main.d
E51_USB_SoundCard\OBJ\main.o
E51_USB_SoundCard\OBJ\misc.crf
E51_USB_SoundCard\OBJ\misc.d
E51_USB_SoundCard\OBJ\misc.o
E51_USB_SoundCard\OBJ\startup_stm32f10x_hd.d
E51_USB_SoundCard\OBJ\startup_stm32f10x_hd.o
E51_USB_SoundCard\OBJ\stm32f10x_exti.crf
E51_USB_SoundCard\OBJ\stm32f10x_exti.d
E51_USB_SoundCard\OBJ\stm32f10x_exti.o
E51_USB_SoundCard\OBJ\stm32f10x_fsmc.crf
E51_USB_SoundCard\OBJ\stm32f10x_fsmc.d
E51_USB_SoundCard\OBJ\stm32f10x_fsmc.o
E51_USB_SoundCard\OBJ\stm32f10x_gpio.crf
E51_USB_SoundCard\OBJ\stm32f10x_gpio.d
E51_USB_SoundCard\OBJ\stm32f10x_gpio.o
E51_USB_SoundCard\OBJ\stm32f10x_it.crf
E51_USB_SoundCard\OBJ\stm32f10x_it.d
E51_USB_SoundCard\OBJ\stm32f10x_it.o
E51_USB_SoundCard\OBJ\stm32f10x_rcc.crf
E51_USB_SoundCard\OBJ\stm32f10x_rcc.d
E51_USB_SoundCard\OBJ\stm32f10x_rcc.o
E51_USB_SoundCard\OBJ\stm32f10x_spi.crf
E51_USB_SoundCard\OBJ\stm32f10x_spi.d
E51_USB_SoundCard\OBJ\stm32f10x_spi.o
E51_USB_SoundCard\OBJ\stm32f10x_tim.crf
E51_USB_SoundCard\OBJ\stm32f10x_tim.d
E51_USB_SoundCard\OBJ\stm32f10x_tim.o
E51_USB_SoundCard\OBJ\stm32f10x_usart.crf
E51_USB_SoundCard\OBJ\stm32f10x_usart.d
E51_USB_SoundCard\OBJ\stm32f10x_usart.o
E51_USB_SoundCard\OBJ\sys.crf
E51_USB_SoundCard\OBJ\sys.d
E51_USB_SoundCard\OBJ\sys.o
E51_USB_SoundCard\OBJ\system_stm32f10x.crf
E51_USB_SoundCard\OBJ\system_stm32f10x.d
E51_USB_SoundCard\OBJ\system_stm32f10x.o
E51_USB_SoundCard\OBJ\usart.crf
E51_USB_SoundCard\OBJ\usart.d
E51_USB_SoundCard\OBJ\usart.o
E51_USB_SoundCard\OBJ\UsbSoundCard.axf
E51_USB_SoundCard\OBJ\UsbSoundCard.hex
E51_USB_SoundCard\OBJ\UsbSoundCard.htm
E51_USB_SoundCard\OBJ\UsbSoundCard.lnp
E51_USB_SoundCard\OBJ\UsbSoundCard.plg
E51_USB_SoundCard\OBJ\UsbSoundCard.sct
E51_USB_SoundCard\OBJ\usb_core.crf
E51_USB_SoundCard\OBJ\usb_core.d
E51_USB_SoundCard\OBJ\usb_core.o
E51_USB_SoundCard\OBJ\usb_desc.crf
E51_USB_SoundCard\OBJ\usb_desc.d
E51_USB_SoundCard\OBJ\usb_desc.o
E51_USB_SoundCard\OBJ\usb_endp.crf
E51_USB_SoundCard\OBJ\usb_endp.d
E51_USB_SoundCard\OBJ\usb_endp.o
E51_USB_SoundCard\OBJ\usb_init.crf
E51_USB_SoundCard\OBJ\usb_init.d
E51_USB_SoundCard\OBJ\usb_init.o
E51_USB_SoundCard\OBJ\usb_int.crf
E51_USB_SoundCard\OBJ\usb_int.d
E51_USB_SoundCard\OBJ\usb_int.o
E51_USB_SoundCard\OBJ\usb_istr.crf
E51_USB_SoundCard\OBJ\usb_istr.d

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