于基dpmr标准的数字对讲机软件系统设计--毕业设计

基于 dPMR 标准的数字对讲机软件系统设计作者： 黄科军、孙陟、陈维明、胡红钱、崔洪州日期： Jan. 20251.文档历史____________________________________________________________32.文档目的____________________________________________________________33.背景描述____________________________________________________________33.1 dPMR 简介____________________________________________________________________33.2 基于 dPMR 的数字对讲机开发的三个阶段__________________________________________34.对讲机外观、界面设计和人机操作______________________________________54.1 对讲机外观____________________________________________________________________54.2 界面设计______________________________________________________________________7屏幕显示_____________________________________________________________________7LED 指示灯___________________________________________________________________8键盘_________________________________________________________________________84.3 人机界面操作描述（以后逐步添加完善）-- 细化和完善 （胡红钱）___________________95.开发环境___________________________________________________________115.1.硬件平台和开发装置____________________________________________________115.2.软件开发环境__________________________________________________________116.软件设计___________________________________________________________126.1.系统架构______________________________________________________________126.1.1 系统框图____________________________________________________________________126.1.2 任务及其信息交互 （孙陟）___________________________________________________126.2.接口定义______________________________________________________________156.2.1 驱动接口的定义______________________________________________________________156.2.1 呼叫控制层与数据链路层的接口定义？？ -- 崔博士、陈维明______________________176.3.各个任务模块__________________________________________________________176.3.1 主程序流程 （孙陟）_____________________________________________________...