TWI553323B - Data Processing and Display Method of Logical Analysis System - Google Patents

Description

Data processing and display method of logic analysis system

The invention relates to a logic analysis system; in particular to a data processing and display method of a logic analysis system.

With the advancement of digital technology, such as electronic wafers, liquid crystal display (LCD) image processing chips, Complementary Metal-Oxide Semiconductor (CMOS), and Charge Coupled Device (CCD), etc. Electronic devices for transmitting data have become increasingly popular. With the advancement of digital technology, such as electronic wafers, liquid crystal display (LCD) image processing chips, Complementary Metal-Oxide Semiconductor (CMOS), and Charge Coupled Device (CCD), etc. Electronic devices for transmitting data have become increasingly popular.

When the R&D personnel develops the above-mentioned electronic device, the logic analyzer is usually used to extract the digital data in the data outputted by the object to be tested, and the digital device is determined by analyzing the digital data captured. Is the design normal?

Referring to FIG. 1 , the architecture of a general logic analysis system 1 includes a logic analyzer 10 and a computer 12 . The logic analyzer 10 has a memory 102 for continuously taking a test. The digital data outputted by the object 14 is temporarily stored in the memory 102. After the capture is completed, the digital data in the memory 102 is transferred to the hard disk 122 in the computer 12 for analysis and display. .

However, with the digital data that various electronic products need to process The amount of the object 14 to be measured is larger and larger. When the digital data of the object 14 to be sampled is larger than the memory capacity of the memory 102 of the logic analyzer 10, the digit of the object 14 to be tested must be obtained in a segmented manner. The data is transferred to the computer 12, that is, after the memory capacity of the memory 102 is full, the logic analyzer 10 transmits the digital data in the memory 102 to the computer 12, and re-transmits the serial digital data. Temporarily in the memory 102, the above two steps are repeated until the digital data generated by the object 14 is captured. Each piece of data transmitted to the computer 12 forms a piece of data. The computer 12 then displays the segmented data on the screen 124 on different pages.

When the researcher wants to judge whether the digital data captured by the logic analyzer 10 is normal on the screen 124, the page to be viewed must be selected on the screen 124, and the computer 12 then plots the segment data of the selected page as one point. The segment graphic is displayed. In other words, the R&D personnel can only see the segmented graphs of the fragments, and cannot simultaneously view the graphs of the entire complete digital data, resulting in an increase in the difficulty of the R&D personnel, and there may be a misjudgment.

In addition, each time a new page is switched, the computer 12 loads the segment data corresponding to the page into its memory 126 to draw a new segmentation graphic, and allows the developer to view the corresponding digits on the segmentation graphic. The content of the data, such repeated drawing, will cause the efficiency of the computer 12 to drop, causing delays in the comparison time.

In view of this, the object of the present invention is to provide a data processing and display method for a logic analysis system, which can provide an overview of the analysis results of the digital data acquired by the research and development personnel, and improve the efficiency of the research and analysis personnel to analyze the digital data.

In order to achieve the above object, the data processing and display method of the logic analysis system provided by the present invention includes the following steps: A. continuously receiving digital data generated by a test object and writing it into a memory, and Write After the digital data of the memory reaches a predetermined capacity, the digital data in the memory is transferred to a storage device, wherein the storage capacity of the storage device is greater than the memory capacity of the memory; B. Repeat step A Until the digital data generated by the object to be tested is captured; C. generating a graphic data according to the digital data stored in the storage device, and displaying a corresponding graphic on a screen according to the graphic data; D, selecting the graphic The specific location, and the corresponding digital data is obtained from the storage device according to the selected specific location.

Through the above design, according to the digital data generated by the object to be tested, a complete graphic can be generated and displayed on the screen, so that the user can graphically summarize the analysis result at one time, thereby effectively improving the efficiency of analyzing the digital data and Correctness.

[Use]

1‧‧‧Logic Analysis System

10‧‧‧Logic Analyzer

102‧‧‧ memory

12‧‧‧ computer

122‧‧‧ Hard disk

124‧‧‧ screen

126‧‧‧ memory

14‧‧‧Test object

〔this invention〕

2‧‧‧Logical Analysis System

20‧‧‧Logic Analyzer

202‧‧‧ memory

22‧‧‧ computer

222‧‧‧ Hard disk

224‧‧‧ memory

226‧‧‧ screen

24‧‧‧Test object

26‧‧‧ graphics

26'‧‧‧ graphics

28‧‧‧Mouse cursor

30‧‧‧ Summary list

32‧‧‧List of information

Figure 1 is an architectural diagram of a conventional logic analysis system.

2 is a block diagram of a logic analysis system used in a preferred embodiment of the present invention.

3 is a flow chart of a preferred embodiment of the present invention.

Figure 4 is a schematic diagram showing that the graphics of the two channels are displayed on the same page.

Figure 5 is a schematic diagram showing the selection of a specific location and a summary list of displays using a mouse cursor.

Figure 6 is a schematic diagram showing an enlarged graph and a list of displayed materials.

In order that the present invention may be more clearly described, the preferred embodiments are illustrated in the accompanying drawings. Figure 2 shows a preferred embodiment of the application of the present invention. The logic analysis system 2 of the data processing and display method includes a logic analyzer 20 and a computer 22, wherein the logic analyzer 20 has a memory 202, and the logic analyzer 20 is electrically connected to the object to be tested 24, The computer 22 is electrically connected to the logic analyzer 20 for executing a program to process the data sent by the logic analyzer 20. The computer 22 has a hard The disk 222 is a storage device, a memory 224 and a screen 226. The storage capacity of the hard disk 222 is greater than the memory capacity of the memory 202 of the logic analyzer 20.

Referring to FIG. 3, the data processing and display method of the present invention includes the following steps:

A. The logic analyzer 20 continuously receives the digital data generated by the object to be tested 24 and writes the received digital data into the memory 202. After the amount of data of the digital data written in the memory 202 reaches a predetermined capacity, the logic analyzer 20 transmits the digital data temporarily stored in the memory 202 to the computer 22. In the embodiment, the predetermined capacity All of the memory capacity of the memory 202 is set, and in practice, it can be configured according to the needs of use. After receiving the digital data transmitted from the logic analyzer 20, the computer 22 stores the digital data in the hard disk 222.

B. Repeat step A above until the digital data generated by the object to be tested 24 is captured, so that the digital data generated by the object to be tested is divided into several times. Thereafter, the digital data stored on the hard disk 222 is merged to become a file having continuous digital data, thereby speeding up the reading of the digital data in the hard disk 222.

C. The computer 22 converts the file into a graphic material and stores it in the hard disk 222 to become a graphic file. In this embodiment, the file is divided into a plurality of segments and sequentially read and written into the memory 224, and each time the segment is read, the region of the memory 224 is written. The digital data of the segment is converted into a graphic block data, and at the same time, the graphic block data is established and The index of the section in the file, so that the subsequent steps can use the index to find the digital data of the corresponding section. Then, the digital data of the segment in the memory 224 is released, so that the digital data of the next segment can be read, and the digital data in the memory 224 can be released after each index is established, thereby reducing the occupation. Memory space. Each time the generated graphic block data is merged with the previous graphic block data until all the graphic block data are merged to form the graphic data and the plurality of indexes. When the graphic block data is merged, the relative coordinates between the graphic block data are simultaneously recorded, so that the graphic data has the relative coordinates, so that the graphic data is formed and the corresponding graphic block is found by using the relative coordinates. data.

In addition, a plurality of different screening conditions may be further set, in the process of converting the digital data of each segment into each graphic block data, the part that meets the screening condition is set in the graphic data to Different from the way other parts are presented. For example, the written data in the captured digital data is set to the first color, and the read data is set to the second color.

Then, according to the graphic data, a corresponding graphic is displayed on the screen 226, and the graphic is displayed on the same page. For example, referring to FIG. 4, taking the digital data of two channels as an example, the digital data of each channel generates a corresponding graphic 26, and displays different colors according to different screening conditions. Thereby, the user can view the graphics 26, 26' corresponding to the digital data generated by the object to be tested 24, and the different colors can directly observe the distribution of the digital data, and increase the analysis of the digital data generated by the object 24 to be tested. Efficiency. In practice, the digital data may also be filtered according to one or more screening conditions, and the corresponding graphic data is generated according to the part that meets the screening condition, and stored as a graphic file, and then the user can select a graphic corresponding to the specific screening condition. To display, in this way, only the digital data of a specific group can be displayed.

The advantage of saving graphic data as a graphic file is that each time you want to display the same graphic, you only need to load the graphic file again for display purposes. It is necessary to regenerate the graphic data each time.

In addition, when the amount of data is larger, the more information is scaled down in the same pixel of the graphic 26, therefore, the concentrated drawing method is used to display a plurality of graphic materials that should be presented in the same pixel in one stroke. , when the graphic 26 is displayed, the display speed is not affected by the increase in the amount of data.

D. Select a specific location on the graphic 26, and obtain corresponding digital data from the storage device according to the selected specific location. As shown in FIG. 5, in this embodiment, the user moves to the specific position on the graphic 26 by using the mouse cursor 28 and stays for a certain period of time to select the specific location, and the computer 22 corresponds to the specific location. The relative coordinates in the graphic data can obtain the graphic block data corresponding to the specific location, and obtain the corresponding segment number in the file in the hard disk 222 by indexing the corresponding graphic block data. The data is displayed on the screen 226 in the form of a summary list 30 showing at least a portion of the digital data.

Referring to FIG. 6 , after the user double-clicks the mouse, the computer 22 further enlarges the graphic 26 of the specific position to display the graphic 26 of the more detailed portion, and at the same time, displays the data list 32 of the digital data corresponding to the specific position. In the lower half of the screen 226, the user can view the content in detail.

In summary, the data processing and display method of the logic analysis system of the present invention generates a complete graphic according to the digital data generated by the object to be tested 24, and displays it on the same page of the screen 226, and is not limited to the logic analyzer. 20 The capacity of the memory 202, and different segmentation graphics must be displayed on different pages, thereby allowing the user to overview the analysis results of the digital data captured, thereby effectively improving the efficiency and correctness of analyzing the digital data. It is worth mentioning that after the user selects a specific position on the graphic 26, the corresponding digital data is loaded, so that it is possible to avoid loading too much data at a time and affecting the electricity. The performance of the brain 22 is efficient.

The above is only a preferred embodiment of the present invention, and equivalent changes to the scope of the present invention and the scope of the patent application are intended to be included in the scope of the present invention.

Claims (11)

A data processing and display method for a logic analysis system includes the following steps: A. A logic analyzer continuously receives digital data generated by a test object and writes it into a memory of the logic analyzer, and After the digital data of the memory written in the logic analyzer reaches a predetermined capacity, the digital data in the memory is transferred to a storage device, wherein the storage device has a storage capacity larger than the logic analyzer. The memory capacity of the memory; B, repeating step A until the digital data generated by the object to be tested is captured; C, generating a graphic data according to the digital data stored in the storage device, and displaying the graphic data according to the graphic data Displaying a corresponding graphic; and D, selecting a specific location on the graphic, and obtaining corresponding digital data from the storage device according to the selected specific location. The data processing and display method of the logic analysis system of claim 1, wherein the step B includes combining the digital data stored in the storage device in step A into a file; and the step C is based on the file. The graphic material. The data processing and display method of the logic analysis system of claim 1, wherein the generating the graphic data in step C further comprises storing the graphic data in the storage device as a graphic file. The data processing and display method of the logic analysis system of claim 1, wherein the step C is to divide the stored digital data into a plurality of segments, and After reading a segment, converting the read digit data of the segment into a graphic block data, and establishing an index of the graphic block data and the corresponding segment in the storage device; The sub-converted graphics block data is merged to form the graphic data; in step D, the digital data of the corresponding segment is obtained from the storage device according to the index of the graphic block data corresponding to the specific location. The data processing and display method of the logic analysis system of claim 4, wherein in step C, when the graphic block data is merged, the relative coordinates of each graphic block data are simultaneously recorded, so that the graphic data has the relative coordinates. In step D, the corresponding coordinates in the graphic data are obtained according to the specific position, and the corresponding index is obtained. The data processing and display method of the logic analysis system of claim 4, wherein the step C reads the digital data of each segment and writes it into another memory, and digitizes the other memory. The data is converted into a graphic block, and then the memory space occupied by the digital data in the other memory is released. The data processing and display method of the logic analysis system of claim 1, wherein the step D comprises displaying at least a part of the digital data obtained by the step D on the screen. The data processing and display method of the logic analysis system of claim 1, wherein the step C is a part of the digital data stored in the storage device that meets a screening condition, and is presented in the graphic in a manner different from other parts. . The data processing and display method of the logic analysis system of claim 1, wherein the step C is to filter the number stored in the storage device according to a screening condition. The bit data is generated according to the part that meets the screening condition, and the corresponding graphic material is generated. The data processing and display method of the logic analysis system of claim 1, wherein in step C, the graphic is displayed on the same page. The data processing and display method of the logic analysis system of claim 1, wherein after the specific location is selected in step D, the graphic is enlarged to display a graphic of the specific location, and the digit corresponding to the specific location is displayed. data.