設計了一個基于Lab Windows/CVI 的壓力測量控制系統(tǒng)，人機交互界面友好，大大提
高了壓力測量的有效性和準確性。系統(tǒng)由上、下位機兩部分構成，下位機是ATmega162為控制核心的壓力測試臺，上位機是普通PC 機，使用Lab Windows/CVI 開發(fā), 為用戶提供良好的測試界面。二者通過RS232 串口通信，實現(xiàn)PC 機對壓力測試臺的實時控制，方便用戶測試和保存測試結果。系統(tǒng)的實際運行證明了設計的有效性。
關鍵詞：壓力變送器；Lab Windows/CVI；ATmega162；串口通訊
Abstract：A system of press measurement control based on Lab Windows/CVI is introduced. With the friendly operating interface, the system makes the press measurement effective and exact greatly. The system composes of upper and under part. The under machine is a press measurement device whose core is an ATmega162, and the upper part is a personal computer, the application of which is designed by Lab Windows/CVI. PC controls the press measurement device real-time with RS232 serial port. It will help users test and save the result easily. The fact running proves the validity of the design.
Keyword: press sensor; Lab Windows/CVI; ATmega162; serial communication