Research On Data Automotive Oscilloscope System Based On ?C/OS-? Of The LPC2132

The birth of the automotive oscilloscope,provides a powerful tool for vehicle maintenance personnel to quickly diagnose automotive electronics equipment and ignition system failure.At present,the domestic auto oscilloscope market almost all occupied by foreign manufacturers,high prices hinder automotive oscilloscope widely used in the automotive repair process,which seriously hampered the development of China's automotive repair industry.Therefore,the study and design of the car oscilloscope has a very important significance.This paper describes particularly the design and research of an ultra-low-power data acquisition system.It uses LPC2132 as micro controller along with LCD display module and the data communication module,and uses the embedded operating system ?C/OS-? to manage the communication and switching between tasks.This system realizes the function of real-time acquisition and display in analog signal and digital signal,and if necessary,the data will be sent to the host computer.The system runs stable,low power consumption and easy to carry.