Design Of Display Control Terminal System For Remote Control Reconnaissance Device

In buildings or some obstacle environment,reconnaissance work is often difficult to be carried out.Remote control reconnaissance device is a portable wireless reconnaissance equipment.By throwing a spherical audio and video acquisition terminal into the target area,real-time audio and video information can be received on the display control terminal.And the design of a portable,simple operation,low cost and low power display control terminal is the main content of the project.Firstly,the relevant research at home and abroad is analyzed,and the key technologies are thoroughly understood,and the system requirements and technical targets are put forward.On this basis,the overall scheme is designed.The system will adopt master-slave control structure.Two STM32F7 microcontrollers are used.One is mainly responsible for human-computer interaction,the other is mainly responsible for wireless transmission,and a FPGA is used for keyboard scanning.WiFi is used for wireless transmission,and MJPEG is used for video coding and decoding.Then the specific hardware and software design is carried out,including power management,master-slave controller,peripheral interface and PCB design.In software aspect,STM32F7 program uses the development method based on HAL library,including master-slave communication program,decoding and displaying program,video storage program,GUI program,wireless communication program and so on.The program of the FPGA is developed in VHDL language.Finally,each module of the display control terminal system is debugged and tested jointly with the audio and video acquisition terminal.The results show that the collected audio and video information can be clearly and smoothly played on the display control terminal,and through data analysis,the system performance meets the requirements of technical indicators.