Integrated Wireless Charging Terminal Design

Through the fast development for many years, the telecom industry has already become a comparatively ripe field, the business includes wire communication, wireless communication, data transportation, network access, SMS service, etc. With the smooth increasement of income the company now focus on promotion of service quality in stead of gaining profit only, promoting competitive power by reducing the operating cost. High cost, low efficiency, inconvinience for charging has become a difficult problem for those enterprise.With the development of telecom technology and embedded system design, the new charge receipt machine can solve those problem easily. The so-called charge receipt terminal is a machine which can charge and print invoice installed in business hall. It's commonly a computer installing some special software,communicating through ethernet. The new charge receipt terminal provides another choice to the business operator which can display,charge, printe invoice. Its advantage over others is high integration, movability, easy maintenance.This text has introduced the background of the terminal at first. On the base of hardware design and the related technology of uClinux operating system, the whole software design of charge receipt terminal is described, the most important part is software architecture and software interface. The whole design includes systematic goal, basic function, information display, communication protocol, software interface and software modulation. The software module design is the focal introduced point. Finally, recommended the terminal test.Through analysing the developing course of charge receipt terminal, we can know that every renewal of terminal is in combination with the development of computer tehcnology and commumcation technology. The huge, moveless and expensive equipment must be displaced by compact, movable, cheap one along with the population of wireless network when GPRS and CDMA technology has become reality.Through deep research on the developing trend of embedded system design, we decide to use S3C4510B as our hardware platform, use uClinix OP as software environment. We will design our own product of intelligent property utilizing the superiority of linux in reliability, clipping and transplantation.The workflow of wireless integrated charge receipt terminal is that inputs power_on secret code firstly, then connects the charging server by the form of TCP/IPthrough wireless network, downloads the working display information, inputs service number and working secret code, then go into the charging work flow. By simple operation, you can finish the charging and it will print the invoice in the end..The innovation of the charge receipt terminal is that it communicates by GPRS, transports data packeted in XML format; its display interface and service flow are controlled by the server, its printing data was packeted in common format, etc.