First of all, it can be determined that the software belongs to a real-time tool for collecting, converting, calculating, analyzing, etc. external device data; in the inspection process, since the machine axis drives the grating head to move rapidly, each moving one grid, A pulse will be generated. In order to ensure the accuracy of the inspection, the computer must continuously collect data from the external device through the subdivision card as the grating head moves, and lose one pulse. For the instrument, a 1 micron error will be generated; The characteristics of control, in general, in addition to selecting a host with fast running speed, you also need to choose a good programming language. Only the high combination of software and hardware can achieve the goal of real-time control. More applications in the field of real-time control are assembly and C language. Compared with the two languages, the assembler runs efficiently and quickly, but the writing process is complicated and difficult to debug. Although the C code runs much worse than the assembler, it runs faster than other high-level languages. And it can meet our current development needs, it has an integrated development environment, language editing is convenient, the target code runs efficiently, and at the same time, assembly language can be inserted in the middle of the program to meet special needs. Convenient, flexible, efficient, and portability is an important factor in our choice of TurboC2.0 as a development environment. Program interface Henan Mechanical and Electrical College Journal can have a good program interface, is another factor of the success or failure of the device, for the convenience of use, we have made unremitting pursuit of the operation interface. Although the operating environment of the software is the Dos operating system, in order to take care of the operating habits of most users, we decided to imitate the Windows interface in the DOS environment. Of course, it is more troublesome to write Windows standard controls such as text boxes and combo boxes in C language. Will take up a considerable part of the programming time, weighed the pros and cons, and finally, we still use this decision to complete the preparation of these controls. (Finish)
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