FTDI’s “D2XX Direct Drivers” for Windows offer an alternative solution to our VCP drivers which allows application software to interface with FT232 USB UART and FT245 USB FIFO devices using a DLL instead of a Virtual Com Port. The architecture of the

USB HID 设备 VC 入门级例子开发步骤，图解说明-USB HID device VC++ example step by step