JPH08153128A - Circuit diagram tracking processor - Google Patents

Abstract

PURPOSE: To provide a circuit diagram tracking processor which can perform accurate tracking in a short time. CONSTITUTION: A circuit diagram input part 12 supplies circuit diagram information to a signal tracking part 511. A tracking specification part 13 specifies the tracking signal and tracking direction of the circuit diagram and supplies them to the signal tracking part 511. The signal tracking part 511 performs the signal tracking on the basis of the circuit diagram information and the specifications of the tracking signal and tracking direction. A tracking signal extraction part 512 extracts the tracking signal. a signal line, an element and a signal terminal name affecting the tracking signal are obtained through the operation of those signal tracking part 511 and tracking signal extraction part 512. The terminal name is displayed on a display 16 by the terminal display processing part 521 of a display processing part 52. The signal line and element exerting the influence are highlighted and displayed on the display 16 by a highlight display processing part 522.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit diagram trace processing device which can obtain necessary connection information from circuit diagram information and trace designation, and more specifically, a state transition diagram input device and a layout diagram input device. The present invention relates to a circuit diagram trace processing device applicable to an analog circuit diagram input device and the like, and a display device and the like showing signal connection.

[0001]

2. Description of the Related Art As a circuit diagram tracking processor of this type,
For example, as described in JP-A-5-108742, when the circuit diagrams drawn on each sheet are connected between sheets, the identification information of those signal lines is extracted,
The sheet including the signal line of the connection destination is displayed on the display device, and the signal line of the connection destination is highlighted. Thereby, the connection information of the circuit diagrams connected between the sheets can be surely obtained. In addition to the above-mentioned one, a device called a circuit diagram display device has been proposed. This circuit diagram display device is a device that can highlight only the entire net including the specified signal line for the specified signal line. In such a circuit diagram display device, the highlight display as described above is referred to as the same net display.

FIG. 9 is an explanatory diagram showing an example of a circuit diagram under test displayed on the circuit diagram display device and a circuit diagram in which the same net is displayed. FIG. 9 (a) shows the circuit diagram under test. Indicates that the designated signal line is designated,
FIG. 9B shows a circuit diagram in which the same net is displayed. Display surface 100 of the display of the circuit diagram display device
As shown in FIG. 9A, the elements A10 and A
20, A21, A22 and elements A30, A31, A3
2, and a signal line L00, a signal line L10, which connect them,
Signal lines L20, L21, L22 and signal lines L30, L
A circuit diagram 200 including 31 and L32 is displayed.

In such a display state, the designation input section is operated to display the arrow PL on the circuit diagram 200 displayed on the display surface 100 of the display, and the signal line is designated by the arrow PL. Then, the circuit diagram display device operates and the designated signal line designated (in this case, the signal line L1
The circuit diagram 210 in which 0) is highlighted (indicated by a thick line in FIG. 9) is displayed on the display surface 100 of the display.

By the way, it becomes necessary to recognize which input signal influences a certain output signal line in the circuit diagram or which output signal line influences a certain input signal line in the circuit diagram. Sometimes. A process performed in a conventional circuit diagram input device or circuit diagram display device in order to satisfy such a demand will be described with reference to FIG. Display surface 1 of the display of the above device
00, as shown in FIG.
Elements A20, A21, A22 and Elements A30, A3
1, A32, and the signal line L00, the signal line L10, the signal lines L20, L21, L22, and the signal line L that connect them.
A circuit diagram 300 consisting of 30, L31 and L32 is displayed. In such a display state, the tracking designation input unit is operated to display the arrow PL on the circuit diagram 300 displayed on the display surface 100 of the display.

Then, for example, the signal line L20 is designated for tracing on the input side by the arrow PL. Then
The above device operates, and a circuit diagram 310 is displayed in which the traced signal line (signal line L20 in this case) as shown in FIG. 10B is highlighted (in FIG. 10B, a thick line is displayed). Will be displayed on the display surface 100.

As a result, as shown in FIG.
Since it can be seen that the element A20 is connected,
Operate the tracking specification input section to display 1 of the above display
On the circuit diagram 310 displayed on 00, the signal line L1
Specify 0. As a result, the circuit diagram 320 with the signal line L10 highlighted is displayed on the display surface 100 of the display.
Will be displayed above. As described above, in the above conventional device, the same net display is repeated many times every time the connection between the signal line and the element is known, and the desired input signal line is traced.

[0007]

As described above, in the case of the conventional circuit diagram input device or circuit diagram display device, the same net display must be repeatedly performed in order to perform the tracking. It takes a lot of time,
There is a fear that a signal line different from the target signal line may be specified during the tracking, and it is difficult to perform accurate tracking display. SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the above-mentioned drawbacks of the prior art and to provide a circuit diagram tracking processing device capable of performing accurate tracking in a short time.

[0008]

According to a first aspect of the present invention, a circuit diagram input section for inputting circuit diagram information, a tracking designating section for designating a tracking signal and a tracking direction of the circuit diagram, and the circuit diagram and A display unit that displays predetermined display information, a tracking processing unit that executes signal tracking and tracking signal extraction based on the circuit diagram information and the designation of the tracking signal and the tracking direction, and the result processed by the tracking processing unit. The above-mentioned object is achieved by using a circuit diagram tracking processing device provided with a display processing section for displaying on a display section. The tracking processing unit according to claim 2 influences a signal tracking unit that searches for all signal lines and elements that affect the signal from a designated signal line in a designated tracking direction, and a tracking start signal. The above object is achieved by including a tracking signal extraction unit that extracts all the signal terminals given with.

According to a third aspect of the present invention, there is provided a display processing section for displaying the extracted signal terminal name and a highlight display processing section for highlighting the signal lines and elements found by the tracking processing section. The object is achieved by providing The tracking specifying unit according to claim 4 comprises a tracking signal specifying unit that specifies a tracking signal on a circuit diagram, and a tracking direction specifying unit that specifies whether to track to an input side or an output side on the circuit diagram. To achieve the above objectives. The tracking processing unit and the display processing unit according to the fifth aspect achieve the above object by being configured by an information processing device.

[0010]

In the circuit diagram tracking processing device according to the first aspect, the circuit diagram information is input to the tracking processing unit from the circuit diagram input unit. The tracking signal and the tracking direction of this circuit diagram are specified by the tracking specifying unit. From the circuit diagram information and the trace designation information, the signal line is traced or the circuit information is traced and extracted with respect to the signal terminal. As a result, the signal line to which the tracking start signal is applied or the signal line, element, or signal terminal that affects the signal terminal is searched for.

According to the second aspect of the present invention, in the tracking processing section, all the signal lines and elements that affect the signal are searched out from the designated signal line in the designated tracking direction.
Also, all the signal terminals that have influenced the tracking start signal are extracted. In the display processing unit according to the third aspect, the extracted signal terminal name can be displayed, or the searched signal line and element can be highlighted. In the trace specifying section according to the fourth aspect, the trace signal on the circuit diagram is designated, or whether the trace signal is traced to the input side or the output side on the circuit diagram. The tracking processing unit and the display processing unit according to claim 5 are configured under the processing of the information processing device.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a circuit diagram tracking processing device of the present invention will be described in detail below with reference to FIGS. FIG. 1 is a block diagram showing a basic device configuration of a first embodiment of a circuit diagram tracking processing device according to the present invention. This Figure 1
In FIG. 1, the circuit diagram tracking processing device 10 includes a logic circuit diagram input unit 12, a tracking designation unit 13, a storage device 14, an information processing device 15, and a display 16.

Here, the logic circuit diagram input unit 12 and the trace designation unit 13 are connected to the information processing device 15. The logic circuit diagram input unit 12 gives the circuit diagram information, the trace designation unit 13 gives the trace designation, and the information. It is given to the processing device 15. A storage device 14 is connected to the information processing device 15, and the information processing device 15 executes a processing program stored in the storage device 14 so that a tracking processing unit 51 and a display process described later are performed. The part 52 is realized. Further, a display 16 is connected to the information processing device 15, and the display information processed by the information processing device 15 is displayed on the display 16.

FIG. 2 is a more detailed block diagram of the circuit diagram tracking processor of the first embodiment. In FIG.
The circuit diagram tracking processing device 10 is roughly composed of a logic circuit diagram input unit 12, a tracking designating unit 13, a tracking processing unit 51, a display processing unit 52, and a display 16. The tracking processing unit 51 and the display processing unit 52 are devices realized in the information processing device 15 by the information processing device 15 executing the program in the storage device 14 as described above.

The logic circuit diagram input section 12 is a device for inputting target circuit diagram information. The tracking specifying unit 13 is a device for specifying a tracking signal and a tracking direction of a circuit diagram, and a tracking signal specifying unit 31 for specifying a tracking signal on the circuit diagram and an input side or an output on the circuit diagram. And a tracking direction designating section 32 for designating whether or not to track to the side. The tracking processing unit 51 is a device for performing signal tracking and tracking signal extraction based on the circuit diagram information and the designation of the tracking signal and the tracking direction, and from the specified signal line to the specified tracking direction. Toward the signal tracking unit 5 for finding all signal lines and elements that affect the signal
11 and a tracking signal extraction unit 512 that extracts all the signal terminals that have affected the tracking start signal. The signal tracking unit 511 and the tracking signal extraction unit 512 are also realized by the operation of the information processing device 15.

The display processing unit 52 is a device for displaying the result processed by the tracking processing unit 51 on the display 16, and includes a terminal display processing unit 521 for displaying the extracted signal terminal name and the tracking processing unit 51. The traced signal line highlight display processing unit 522 that highlights the found signal lines and elements. These terminal display processing unit 521 and tracking signal line highlight display processing unit 522
Is also realized by the operation of the information processing device 15.
The display 16 is a device that displays the display information processed by the terminal display processing unit 521 and the tracking signal line highlight display processing unit 522.

The operation of such an embodiment will be described with reference to FIGS.
Based on FIG. 3, description will be made with reference to FIGS. 3 is a flow chart for explaining the operation of the embodiment, and FIG. 4 shows an example of display of extracted signals as a result of the processing in the flow chart. 5 and 6 show highlight display examples, and FIGS. 7 and 8 show other display examples. First, the circuit diagram tracking processing device 10 is turned on to start the operation of the system 10. Next, the target logic circuit diagram is input to the information processing device 15 using the logic circuit diagram input unit 12 (step 400). In the information processing device 15, circuit diagram information is given to the signal tracking unit 511 of the tracking processing unit 51. Also,
The information processing device 15 stores the circuit diagram information,
This circuit diagram is displayed on the display 16 (step 401).

As a result, the display surface 1 of the display 16 is
00, the element A10 and the element A2 are provided as shown in FIG.
0, A21, A22 and elements A30, A31, A32
And signal line L00, signal line L10, signal lines L20, L21, L22 and signal lines L30, L3 connecting these
1, L32, and the signal terminal name of the signal line L00 is B0, the terminal name D0 of the signal flowing through the signal lines L30, L31, and L32,
The circuit diagram 600 with D1 and D2 is displayed.

In such a display state, a tracking start signal is sent from the tracking signal designating section 31 and a tracking direction designating section 3 is also provided.
The tracking direction is input from 2 (step 402). As a result, on the display surface 100 of the display 16, an arrow P is added to the signal terminal name B0 (signal line L00) to which the tracking start signal is given.
Circuit diagram 600 with L displayed and arrow R indicating the tracking direction
Displayed above. Here, the signal tracking unit 511 of the tracking processing unit 51 uses the designated signal line (in this case, the signal line L0
0) toward the outside (in this case, the right side in the figure),
All signal lines L and elements A related to the signal of the signal line are searched (step 403). As a result, the data of the signal line L and the element A affected by the signal of the signal line is stored.

Next, the tracking signal extraction unit 512 extracts the terminals that affect the tracking start signal (step 40).
4). As a result, the data of the terminal name of the tracking start signal and the terminal name affected by it are extracted and stored. Then, the terminal display processing unit 521 operates to display the extracted and stored data on the display surface 100 of the display 16 in a window (step 405). As a result, on the display surface 100 of the display 16, as shown in FIG. 4, in the window 110, the tracking start signal terminal name is B0,
The affected signal terminal names are displayed as D0, D1, and D2.

Next, the tracking signal line highlight display processing section 5
The tracing result traced by the tracing processing section 51 is displayed on the display 16 by the step 22 (step 406). As a result, the circuit diagram 600 shown in FIG. 5A is displayed on the upper half of the display surface 100 of the display 16.
As shown in FIG. 5B, the circuit diagram 610 is highlighted. In FIG. 5B, all the signal lines L and all the elements A are displayed as thick lines for highlighting. The present embodiment operates as described above, and since it is possible to highlight the tracking start signal terminal name and the influencing signal terminal name and the portion of the circuit related thereto, the influential terminal in the circuit diagram. The name and signal line are automatically tracked, and the tracking result can be obtained accurately and in a short time.

Next, a second embodiment will be described. In this description, it is assumed that the already input circuit diagram is used and other processing is executed by changing the designation of the tracking signal. First, on the display surface 100 of the display 16, as shown in FIG.
0, A21, A22 and elements A30, A31, A32
And signal line L00, signal line L10, signal lines L20, L21, L22 and signal lines L30, L3 connecting these
1, L32, and the signal terminal name of the signal line L00 is B0, the terminal name D0 of the signal flowing through the signal lines L30, L31, and L32,
A circuit diagram 600 with D1 and D2 is displayed.

In such a display state, a tracking start signal is sent from the tracking signal designating section 31 to a signal terminal name D0 (signal line L
00), and is input from the tracking direction designating section 32 so that the tracking direction is on the left side in the drawing (step 40).
2). As a result, on the display surface 100 of the display 16, the signal terminal name D0 (signal line L0
The arrow PL is displayed at 0) and the tracking direction is displayed at the top of the circuit diagram 600 by the arrow R. Here, the tracking processing unit 5
The signal tracking unit 511 of No. 1 goes from the designated signal line (in this case, the signal line L30) toward the outside (in this case, the left side (input side) in the drawing), all the signals related to the signal line concerned. Search for signal line L and element A (step 40)
3). As a result, the data of the signal line L and the element A affected by the signal of the signal line is stored.

Next, the tracking signal extraction unit 512 extracts the terminals that affect the tracking start signal (step 40).
4). As a result, the data of the terminal name of the tracking start signal and the terminal name affected by it are extracted and stored. Then, the terminal display processing unit 521 operates to display the extracted and stored data on the display surface 100 of the display 16 in a window (step 405). This window display is not shown. Further, the tracking signal line highlight display processing unit 522 displays the tracking result tracked by the tracking processing unit 51 on the display 16 (step 40).
6). As a result, in the upper half of the display surface 100 of the display 16, the circuit diagram shown in FIG.
00 becomes the circuit diagram 610 highlighted as shown in FIG. In the case of FIG. 6B, the signal line L30, the element A30, and
Signal line L20, element A20, signal line L10, element A1
0 and the signal line L00 are indicated by thick lines.

The present embodiment operates as described above, and the trace start signal terminal name and the influencing signal terminal name and the portion of the circuit related thereto can be highlighted. Tracking of terminal names with a certain number and signal lines is automatically performed, and tracking results can be obtained accurately and in a short time.

Next, the third embodiment will be described.
In the third embodiment, the tracking signal line highlight display processing unit 522 of the display processing unit 52 displays only the element A and the signal line L extracted as the highlight display, and the other element A
Also, the signal line L is not displayed. The other points are the same as those of the above-described embodiment. In such another embodiment, the tracking processing unit 51 and the display processing unit 52 in the information processing device 15 process according to the flowchart shown in FIG. 3 to display the display 16 as shown in FIG. As shown in FIG. 7B, the circuit diagram 600 displayed on the display surface 100 of FIG. 7 includes only the signal line L30, the element A30, the signal line L20, the element A20, the signal line L10, the element A10, and the signal line L00. The circuit diagram 620 is displayed on the display surface 100. According to this, since unnecessary circuit parts are not displayed, it can be used for picking up parts.

Explaining the fourth embodiment further, in this embodiment, the tracking signal line highlight display processing unit 522 of the display processing unit 52 moves the cursor K to the element A extracted as the highlight display. In addition to displaying, the part of the element A is highlighted. In the fourth embodiment, the tracking processing unit 51 and the display processing unit 52 of the information processing device 15 perform processing according to the flowchart shown in FIG.
As shown in (a), the display surface 1 of the display 16
The circuit diagram 600 displayed at 00 is the element A2 connected to the signal line L10 as shown in FIG. 8B.
The cursor K moves to 0, and the device A20 is displayed on the display surface 100 as a circuit diagram 630 in which the device A20 is highlighted [displayed by a thick line in FIG. 8B].

Further, as is clear from FIG. 8 (c),
Cursor K to element A21 connected to signal line L10
Moves, and element A21 is highlighted [Fig. 8
It is displayed on the display surface 100 as a circuit diagram 640 indicated by a thick line in (c). As a result, the elements A associated with the designated signal are displayed one after another with the cursor K, and it becomes possible to clearly inform the user of the presence of the element A associated with the designated signal.

[0029]

As described above, in the apparatus of claim 1, signal tracking and tracking signal extraction are executed based on the circuit diagram information and the tracking signal and designation of the tracking direction.
Moreover, since the result processed by the tracking processing unit can be displayed on the display unit, the influential terminal name can be known easily, accurately, and in a short time. Claim 2
In the described device, from the designated signal line, in the designated tracking direction, find all the signal lines and elements that affect the signal, and all the signal terminals that have affected the tracking start signal. Is extracted, it is possible to accurately obtain the relationship between the circuit elements and the signal lines connected to them. In the device according to claim 3, the extracted signal terminal name is displayed, and the searched signal lines and elements are highlighted.
You can certainly know the connection relationship. In the device according to the fourth aspect, since it is possible to specify the tracking signal on the circuit diagram and whether to track the input side or the output side on the circuit diagram, it is possible to cope with various tracking modes. In the device according to the fifth aspect, since the tracking processing unit and the display processing unit are configured by the information processing device, it is not necessary to have a complicated circuit configuration.

[Brief description of drawings]

FIG. 1 is a block diagram showing a basic device configuration of a circuit diagram tracking processing device according to a first embodiment of the present invention.

FIG. 2 is a more detailed block diagram of the circuit diagram tracking processing device.

FIG. 3 is a flowchart showing the operation of the embodiment.

FIG. 4 is an explanatory diagram showing a display example of terminal names on a screen displayed on the display of the embodiment.

FIG. 5 is an explanatory diagram showing an example of highlight display on a screen displayed on the display of the embodiment.

FIG. 6 is an explanatory diagram showing an example of highlight display on a screen displayed on the display according to the second embodiment of the present invention.

FIG. 7 is an explanatory diagram showing an example of highlight display on a screen displayed on the display according to the third embodiment of the present invention.

FIG. 8 is an explanatory diagram showing an example of highlight display on a screen displayed on the display according to the fourth embodiment of the present invention.

FIG. 9 is an explanatory diagram showing a display example of a conventional device.

FIG. 10 is an explanatory diagram showing another display example of the conventional device.

[Explanation of symbols]

 10 Circuit Diagram Tracking Processing Device 12 Logic Circuit Diagram Input Unit 13 Tracking Designating Unit 14 Storage Device 15 Information Processing Device 16 Display 31 Tracking Signal Designating Unit 32 Tracking Direction Designating Unit 51 Tracking Processing Unit 52 Display Processing Unit 511 Signal Tracking Unit 512 Tracking Signal Extraction unit 521 Terminal display processing unit 522 Tracking signal line highlight display processing unit

Claims (5)

[Claims] 1. A circuit diagram input section for inputting circuit diagram information, a tracking designating section for designating a tracking signal and a tracking direction of the circuit diagram, a display section for displaying the circuit diagram and predetermined display information, A tracking processing unit that executes signal tracking and tracking signal extraction based on the circuit diagram information and the designation of the tracking signal and the tracking direction; and a display processing unit that displays the result processed by the tracking processing unit on the display unit. Circuit diagram tracking processor. 2. The tracking processing unit uses a signal tracking unit that searches for all signal lines and elements that affect the signal from a designated signal line in a designated tracking direction, and a tracking start signal. 2. The circuit diagram tracking processing device according to claim 1, further comprising a tracking signal extraction unit that extracts all the affected signal terminals. 3. The display processing section includes a terminal display processing section for displaying the extracted signal terminal name and a highlight display processing section for highlighting the signal lines and elements found by the tracking processing section. The circuit diagram tracking processing device according to claim 1 or 2, further comprising: 4. The tracking specifying unit includes a tracking signal specifying unit that specifies a tracking signal on a circuit diagram, and a tracking direction specifying unit that specifies whether to track the input side or the output side on the circuit diagram. The circuit diagram tracking processing device according to claim 1, wherein: 5. The circuit diagram tracking processing device according to claim 1, wherein the tracking processing unit and the display processing unit are configured by an arithmetic processing device.