Z85C30 based USB to dual channel asynchronous serial source code, the program uses a ring buffer, multiple interrupt other methods to achieve the serial data and USB data exchange, because the speed limit asynchronous microcontroller can do 100K, synchronization can do 57k .

USBtoSCC_Firmware
.................\C8051F320_defs.#1
.................\C8051F320_defs.h
.................\F32x_USB0_Interrupt
.................\F32x_USB0_Interrupt.#1
.................\F32x_USB0_Interrupt.#2
.................\F32x_USB0_Interrupt.#3
.................\F32x_USB0_Interrupt.M51
.................\F32x_USB0_Interrupt.wsp
.................\F32x_USB_Descriptor.#1
.................\F32x_USB_Descriptor.#2
.................\F32x_USB_Descriptor.#3
.................\F32x_USB_Descriptor.LST
.................\F32x_USB_Descriptor.OBJ
.................\F32x_USB_Descriptor.c
.................\F32x_USB_Descriptor.h
.................\F32x_USB_ISR.#1
.................\F32x_USB_ISR.#2
.................\F32x_USB_ISR.#3
.................\F32x_USB_ISR.LST
.................\F32x_USB_ISR.OBJ
.................\F32x_USB_ISR.c
.................\F32x_USB_Main.#1
.................\F32x_USB_Main.#2
.................\F32x_USB_Main.#3
.................\F32x_USB_Main.LST
.................\F32x_USB_Main.OBJ
.................\F32x_USB_Main.c
.................\F32x_USB_Main.h
.................\F32x_USB_Register.#1
.................\F32x_USB_Register.#2
.................\F32x_USB_Register.#3
.................\F32x_USB_Register.h
.................\F32x_USB_Standard_Requests.#1
.................\F32x_USB_Standard_Requests.#2
.................\F32x_USB_Standard_Requests.#3
.................\F32x_USB_Standard_Requests.LST
.................\F32x_USB_Standard_Requests.OBJ
.................\F32x_USB_Standard_Requests.c
.................\Interrupt Firmware Reference Manual.pdf
.................\ReadMe.txt
.................\compiler_defs.#1
.................\compiler_defs.#2
.................\compiler_defs.h
.................\cyglink.txt
.................\main.#1
.................\main.#2
.................\main.#3
.................\main.c
.................\tmp.out

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