The framework,which depicts a main structure of application system to be built,is the most important way to obtain the reusability of software in one field.Considering two major feature of the real-time embedded system,a general software framework for real-time system is proposed and it's resource model,time model,task model,scheduling model and communication model are analysed.Furthermore,the interdependent relation among these models is also analysed.This software framework is used in an airbrone system a...