mdhid.dll para la comunicacion usb hid con pic 18f4550

USB-HID设备通信程序源码，能实现HID设备通信，包含读写数据等操作，已经做成DLL供调用了。-USB-HID device communication program source code, to achieve HID device communication, including operations such as read and write data has been made available for DLL calls.