Abstract
Using LCD module embedded microcontroller and mechanically contacted metal keyboard,a kind of man-machine interactive system for aerial mapping camera was designed.Based on the mode of DSP cooperating with FPGA,the interfaces of hardware and software are realized for LCD module and keyboard.The task requirement,the construction thought and the questions considered emphatically are described in detail.The cause that 'snow' phenomena of LCD is analyzed and the resolution is presented.Furthermore,the design of custom character library is introduced.The experiments on ground and in air show that the system is reliable,and its visibility and operability are satisfying.The requirements for system are achieved,and it provides a kind of referenced design concept for other man-machine interactive system.
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