Design Of Embedded Software Used For Power Line Communication

Power line carrier communication technology is a kind of communication mode which can modulate the electrical signal carrying information to the power line,to use power lines as a channel for data transmission,and it has great virtues like low cost,convenience and efficiency.Power line communication system,a product of the combination of power line communication and embedded technology,has specificity,reliability,wide application field and other features of embedded system.It has been widely used in the telecontrol communication system and it is an important direction of the development of power line communication technology.This thesis mainly studies the design and implementation of remote communication application software which can run in power system communication terminal.It analyzes the relationship between classes in the main program and the execution of application functionality,such as station call and remote control,based on the analysis of DL/T634.5104,the electric power remote communication protocols,and related message format,by UML modeling.The thesis completes the design of software interface design and the implementation of functionality.The main interface of software is divided into four parts:system,network settings,power line settings and applications.The main interface of software is divided into four parts:system,network settings,power line settings and applications.The application interface and network management part of the system interface are the ones which mainly realize the remote communication functionality.The application functionality part of the application interface is the core of the software,and it realize choice and parameter settings of application functionality defined in remote communication protocols,such as station call and remote control,and it also control the execution of them.Test results show that the software can run on master station and slave station terminal equipment which is connected to power line communication embedded system,implement execution of station call,single command remote control and other multiple applications,and complete the full remote communication process.At the same time,the software can dynamically display and supervise communication process,and carry on the statistics of communication state statistics.