MTK平台软件架构.ppt

MTK平台软件架构
MTK方案简介
联发科技介绍
MTK多媒体手机平台
GSM/GPRS手机软件方案
MTK软件分层介绍
软件结构图表
OS
L1 protocol stack
Device driver
L2 L3 L4 protoHB: Phone book management, 电话簿相关的处理，如分类等
SMU: SIM management Unit, 安全性管理以及STK
CSM: Circuit switching protocol stack management电路交换协议栈管理
RAC: Registration access control
SMSAL: Short message service application layer
TCM: Terminal context management
NVRAM Nor-volatile RAM, 是MMI到Flash的一个适配层, 保存一些默认设置
SIM Subscriber identity module. Handle SIM behavior as ETSI description
DATA 电路交换数据服务，包括以下子模块
FAX: Group 3 Facsimile
TDT: Transparent circuit switching data
L2R: Layer 2 relay protocol for non-transparent circuit switching data
RLP: Radio link protocol for non-transparent circuit switching data
CC Circuit-switched call control 电路交换呼叫控制
SS supplementary service 附加服务
SMS short message service 短消息服务
SM session management 会话管理
MM/GMM mobility management 移动性能管理
SNDCP sub-network dependent convergence protocol
LLC Logical link control 逻辑连接控制
RR Radio resource management, 包括以下子模块
RRM: Handles cell selection and PLMN selection
RMPC: Handles the procedures in Idle/Dedicated state including the surrounding cell scheme and measurement reporting
LAPDM: Handles the procedure defined in GSM layer 2
RLC: Radio link control protocol
MAC: Medium access control protocol
MPAL: Adaptation layer for RR and L1A
PPP Point to Point protocol layer,客户端点对点协议
MMI介绍
UI架构
应用程序
与ps的通信
MMI Framework
OLS 操作系统适配置层, 对操作系统进行封状
Task MMI任务, 与L4 task 进行通信
File system 与存储设备通信,进行文件存取
MMI GUI介绍
Theme 主题风格, 主要使菜单等颜色设置,以及背景图片等
UI component
Category Screen 每一个界面都是一个screen
Font 字体风格
Editor 编辑筐
输入法
访问LCD 驱动
MMI定制工具
MMI应用程序
Phonebook Message Call History
Setting User profile Fun and game
Organizer Service Shortcut Camera
…………………….
三、MTK 方案Task架构
系统初始化
Hardware boot and setup system stack etc
Nucleus Plus RTOS initialization
Hardware Initialization
Tasks/Modules initialization/configuration
Tasks Creation
TCT_schedule() fo