李先義，童玲
（電子科技大學自動化工程學院，四川 成都 610054）
摘要：本文介紹了一種定位通信終端設備的設計和開發。首先介紹了基于ST20-GP7和STB5610套片的硬件系統的開發，然后介紹了基于實時內核STLite/OS20和ST的GPS軟件庫進行的軟件系統的開發，同時介紹了GPS的NMEA-0183數據流格式以及進行GSM短信息服務的AT命令的用法。為GPS定位的應用開發提供了一個有價值的參考和范例。
關鍵詞：定位通；GPS；GSM；NMEA包；實時內核；短消息服務
中圖分類號：TN915.05 文獻標識碼：A 文章編號：1672-4984(2006)03-0096-04
Design of a vehicle based locator terminal
LI Xian-yi，TONG Ling
(School of Automation Engineering, University of Electronic Science and Technology, Chengdu 610054，China)
Abstract: This paper introduced the designing and developing of a locating and communicating terminal. Firstly introduced the hardware system development, which based on the ST20-GP7 and STB5610 chip-set, then introduced the development of the software system that based on ST’s Real. Time kernel STLite/OS20 and the GPS soft library, finally, introduced the GPS’s datapacket format of NMEA-0183 and the usage AT command of GSM SMS. The authors supplied a valuable reference and example for GPS locating application.
Key words: Locator；GPS；GSM；NMEA package；Real-time kernel；SMS
