USBHostSlave is a USB 1.1 host and Device IP core. – Supports full speed (12Mbps) and low speed (1.5Mbps) operation. – USB Device has four endpoints, each with their own independent FIFO. – Supports the four types of USB data transfer control,

自己编写的USB数据采集程序，主要用来采集GPS中频数据，需配合USB数据采集板或核心板，包含固件下载及配置。作者曾用来采集GPS中频数据。-Write your own USB data collection procedures, mainly used to collect GPS IF data, must comply with the USB data acquisition board or core board that contains the firmware downloa