The Study On Wireless Data And Voice Transmission And Control Methods Of Water-saving Irrigation

Our country is a country,which,with big agriculture and water resources,are very missing of nation. because of the irrigation facilities are not good, currently the phenomenon of irrigation water wasted is very serious.the ratio of irrigation water utilization in these flourishing countrys ,such as Israel and American etc,which have been the technology of stanza water irrigation is much bigger than our nation.However, with the development of the science and technology, especially information technique and numeral and technical development, made the management of the agriculture irrigation and water resources to walk a second step, and promoted traditional irrigation management style to occur great changes.At present, the development of embedded system has become a hot topic. It meansthe computer system who completes one or more particular functions and is the combination of software and hardware. With the constant development of electronic technology and computer technology, embedded software and hardware develop rapidly,whose products have the characteristics with low costs, high dependability, small volume.and after the embedded general platform was designed, the second technology development became much more easier.at the same time,it can raise the efficiency of the same design product,with same kind work principle, whose processing ability and application also get a very big enlargement.Because of that above, This paper uses the simultaneous communication system for voice and data as one of the important applications under the background, as the reliance and develop a set of remoted simultaneous communication apparatus for voice and data used for the special fields,such as the control system of sprinkler irrigation in the field. It regards MPC885 PowerQUICC and VxWorks as the embedded platform,Water-saving irrigation to achieve the data and voice in simultaneous GPRS wireless communications applications.From the superficial to the deep,this paper starts to analyze from basic principle and technology, then expatiates on the operation system program, finally realizes the combination of data and voice and the wireless communication module of GPRS,and develops the driver program of MPC885 and its application software etc.At last this paper carries on the forecast and the summary to the future about application prospect of the systems.