Design of Oscilloscope Monitoring Program

Yao Zhang, Yuanshao Hou
2016 Proceedings of the 2016 International Conference on Sensor Network and Computer Engineering   unpublished
High-powered C8051F020 MCU is used as controller chip. Forty oscilloscope buttons, three coding switches and four potentiometer states on oscilloscope panel are monitored. The working principle, the hardware circuit connecting to MCU and the implementation of software programming of keyboard, coding switches and potentiometer are introduced. The buttons are used by programming method that is one key ambiguity. The flow chart of key code matching subroutine is also given. In AD conversion
more » ... , the method of removing the four lower to filter is proposed, it is reliable and feasible in occasion of less precision through experiment.
doi:10.2991/icsnce-16.2016.87 fatcat:nw66kjfuffdrjolard2sa2mcl4