Dsp-based Portable Digital Storage Oscilloscope Software Design And Realization

This article describes the principal software construction modules of the portable digital storage oscilloscope(DSO). On the base of brief discussion about the work principle of the DSO,DSP(Digital Signal Processor) core circuit,the chip of FPGA(Field Programmable Gate Array) and outer circle,LCD(Liquid Crystal Display) display format conversion and the LCD control circuit,analog signal channel,super-speed A/D (Analog signal /Digital signal) conversion,software tools,drivers of the bottom, rebuilding wave,calculation and realization of the wave parameter,LCD display format conversion and Chinese menu are detailedly researched and the relative problems and the solution is bring forward. The software design works including the rebuilding and moving of the wave,relative parameter's calculation and display on LCD,output of Chinese characters,wave sign and Chinese menu. The design makes some achievement for further research.