Implement custom USB programming. D12-enabled endpoint 1 and endpoint 2, Endpoint 1 interrupt transmission, maximum packet is 16 bytes, the query interval is 10ms. Endpoint 2 is bulk transfer, maximum packet is 64 bytes. Endpoint 1 output of the first byte of the control END USB board LED, each bit represents a LED, to 1 indicates that the corresponding LED lights up. Endpoint 1 is the first byte of the input switching status is returned, each bit represents a key, too indicates that the corresponding button is pressed. The data output terminal 2 sent via the serial port, serial data received via endpoint 2 return.

SourceCode\AT89X52.H
..........\config.h
..........\Key.c
..........\Key.h
..........\Key.LST
..........\Key.OBJ
..........\LED.h
..........\My_type.h
..........\PDIUSBD12.h
..........\STARTUP.A51
..........\STARTUP.LST
..........\STARTUP.OBJ
..........\UART.c
..........\UART.h
..........\UART.LST
..........\UART.OBJ
..........\USB.H
..........\UsbOfCompuer00
..........\UsbOfCompuer00.c
..........\UsbOfCompuer00.hex
..........\UsbOfCompuer00.lnp
..........\UsbOfCompuer00.LST
..........\UsbOfCompuer00.M51
..........\UsbOfCompuer00.OBJ
..........\UsbOfCompuer00.Opt
..........\UsbOfCompuer00.plg
..........\UsbOfCompuer00.Uv2
..........\UsbOfComputer00.H
SourceCode

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