摘要
介绍基于GPRS模块、LPC2138微控制器构成的无线电话机,该无线电话机可以通过GPRS网络与移动电话、固定电话等完成实时语音通信。文章从硬件设计和软件编程两个方面介绍了系统的AT指令传输、拨号等过程。
An embedded radiotelephone based on GPRS module and LPC2138 microcontroller is introduced in this paper. The radiotelephone can accomplish real-time voice communication with mobile phone and landline through GPRS network. The processes of the transmission of the AT Command and dialing are introduced through hardware design and software programming.
出处
《仪表技术》
2010年第2期22-24,共3页
Instrumentation Technology
