文档介绍：CRSC Shanghai Rail Transportation Technologies Co., LTD. - PROPRIETARY Use pursuant pany Instructions Page 1 Issue 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. 2011 CRSC Shanghai Rail Transportation Technologies Co., LTD. - PROPRIETARY Use pursuant pany Instructions Page 2 Issue 3 3 3 dPMR 简介____________________________________________________________________ 3 基于 dPMR 的数字对讲机开发的三个阶段__________________________________________ 3 4. 对讲机外观、界面设计和人机操作_____________________________________ 5 对讲机外观___________________________________________________________________ 5 界面设计_____________________________________________________________________ 7 ?屏幕显示_____________________________________________________________________ 7 ? LED 指示灯___________________________________________________________________ 8 ?键盘_________________________________________________________________________ 8 人机界面操作描述(以后逐步添加完善) -- 细化和完善(胡红钱) ___________________ 9 11 . 硬件平台和开发装置___________________________________________________ 11 . 软件开发环境_________________________________________________________ 11 12 . 系统架构_____________________________________________________________ 12 系统框图___________________________________________________________________ 12 任务及其信息交互(孙陟) ___________________________________________________ 12 . 接口定义_____________________________________________________________ 15 驱动接口的定义_____________________________________________________________ 15 呼叫控制层与数据链路层的接口定义?? -- 崔博士、陈维明______________________ 17 . 各个任务模块_________________________________________________________ 17 主程序流程(孙陟) ______________________________