2007•Jisuanji gongchengRequires access

Design and Realization of Embedded USB Host Function Module

Shao Yong

Abstract

Based on a test and control platform with CPU LPC2292(ARM7)and RTOS with Nucleus PLUS,this paper analyses and expatiates design and realization method of a USB host module based on USB host controlling chip ISP1161A1,including the design scheme of USB host function module,the frames of USB host hardware circuit,the design method of embedded USB host driver procedure,and the realization mode and operation process of this scheme.According to the primary and correlated function of host driver procedure,aiming at the key problems of general USB device driver procedure interface and lower layer data management of host controller driver procedure,the settlement scheme key data structure and concise remarks are given.

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Available abstract

Key concepts: Host controller interface, USB, eXtensible Host Controller Interface (xHCI), Host (biology), Computer science, USB hub, Embedded system, Realization (probability)