CN201322931Y - Device for extracting device connection relation from netlist file - Google Patents
Device for extracting device connection relation from netlist file Download PDFInfo
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- CN201322931Y CN201322931Y CNU2008201238178U CN200820123817U CN201322931Y CN 201322931 Y CN201322931 Y CN 201322931Y CN U2008201238178 U CNU2008201238178 U CN U2008201238178U CN 200820123817 U CN200820123817 U CN 200820123817U CN 201322931 Y CN201322931 Y CN 201322931Y
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Abstract
The utility model discloses a device for extracting device connection relation from a netlist file. The device comprises a netlist file extracting unit, an information processing unit, a cache unit and a file generating unit which are sequentially connected; the netlist file extracting unit is used for extracting the netlist file and sending the netlist file to the information processing unit; the information processing unit is used for analyzing and processing the netlist file, getting the processing data and sending the processing data to the cache unit; the processing data comprises a netname, a name of at least one component connected with a net and pin link information; the cache unit is used for caching the processing data; and the file generating unit is used for reading the processing unit from the cache unit and generating the file for describing the device connection relation.
Description
Technical field
The utility model relates to electric design automation---EDA (Electronic DesignAutomation) technical field, in particular a kind of device from net meter file extraction device annexation.
Background technology
EDA is the abbreviation of electric design automation (Electronic Design Automation), comes from the concept development of computer-aided design (CAD) (CAD), computer-aided manufacturing (CAM), computer aided testing (CAT) and computer-aided engineering (CAE) in early 1990s.The EDA technology is an instrument with the computing machine exactly, the deviser is on the eda software platform, HDL finishes design document with hardware description language, then by computing machine completion logic compiling automatically, abbreviation, cut apart, comprehensively, optimization, layout, wiring and emulation, until work such as adaptive compiling, logical mappings and program downloads for the specific objective chip.The appearance of EDA technology has greatly improved the efficient and the measurability of circuit design, has alleviated deviser's labour intensity.
Net meter file is various eda softwares, for example multiSIM7 (latest edition of former EWB), PSPICE, OrCAD, PCAD, Protel, Viewlogic, Mentor, Graphics, Synopsys, LSIIogic, Cadence, MicroSim, ISE, modelsim or the like, whether a kind of a kind of file of describing annexation between central each components and parts of schematic diagram that generates utilizes net meter file verification device annexation to adhere to specification.
The form of net meter file is made up of two parts, and a part is the definition of element, and another part is the definition of network.Specific as follows:
The definition format of 1 element
Net list first defines employed element, and a typical element is defined as follows:
[; Element definition beginning
C1; The element mark name
RAD-0.3; The encapsulation of element
10n; The element note
]; The element definition finishes
The definition of each element all finishes with symbol " [" beginning is with symbol "] ".First row is the title of element, i.e. Designator information; The encapsulation of the second behavior element, i.e. footprint information; The third line is the note of element.
The definition format of 2 networks
The latter half of net table is employed network definition in the circuit diagram.Each network definition is exactly the point that electric connecting relation is arranged in the corresponding circuits.A typical network is defined as follows:
(; Network definition beginning
NetC2_2; The title of network
C2-2; Be connected to the sign and the pin number of the element of this network
X1-1; Be connected to the element sign and the pin number of this network
); The network definition finishes
The part of each network definition finishes from symbol " (" is with symbol ") "." the title of the first behavior network under (" symbol.Below several provisional capitals are element identifier and the pin number that are connected to all elements of this nexus.Represent that as C2-2 the 2nd pin of capacitor C 2 is connected on the network N etC2_2; X1-1 represents that the 1st pin of crystal oscillator X1 also is connected on this nexus in addition.
Net meter file has reflected the signal in the middle of the schematic diagram and the mapping relations (being also referred to as mapping table) of device as can be seen, the designer usually needs to be grasped this mapping relations in electronic design process, therefore the device annexation in the net meter file need be extracted, and then study the mapping relations that it reflects, yet regrettably, this net meter file that software generates is readable poor, the direct reading difficulty is bigger, the technician adopts the manual mode of copying the device annexation of contrast schematic diagram to study mapping relations in practice mostly at present, such manual operations seem time-consuming and error rate high, for the deviser has brought bigger obstacle.
Therefore, there is defective in prior art, needs to improve.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of device from net meter file extraction device annexation at the deficiencies in the prior art.
The technical solution of the utility model is as follows:
The utility model provides a kind of device from net meter file extraction device annexation, comprises the net list file extracting unit, information process unit, buffer unit, the file generating unit that are linked in sequence; Described net list file extracting unit is used to extract net meter file, sends to described information process unit; Described information process unit is used for the analyzing and processing net meter file, obtains deal with data, sends to described buffer unit; Wherein, described handle packet includes network name and the title and the pin link information thereof that are connected at least one components and parts of this network, described buffer unit is used for the described deal with data of buffer memory; Described file generating unit is used for reading described deal with data from described buffer unit, generates the file of outlines device annexation.
Described device also comprises an input port that is connected with described net list file extracting unit, is used to receive the described device information or the described net meter file of outside input, sends to described extraction unit.
Described device also comprises a user input device that is connected with described input port, is used to import described device information or other steering orders.
Described device, wherein, described information process unit comprises filtration subelement and judgment sub-unit; Described filtration subelement is connected with described net list file extracting unit, be used for filtering described net meter file and the irrelevant information of described device annexation, and read the network name in the described net meter file and be connected in the components and parts title and the pin link information of this network, send to described judgment sub-unit; Described judgment sub-unit is connected with described buffer unit, is used for when described network name, described components and parts title and pin link information are preset value it being sent to described buffer unit as described deal with data.
Adopt such scheme, the utility model is by analyzing the net meter file structure, screen pack table information, extract device name information, the pin connection relation information that needs step by step, realization directly generates the stronger file of readability of an outlines device annexation from net meter file, be convenient to the designer and detect, verify and analyze, alleviate deviser's burden greatly, save cost of development.
Description of drawings
Fig. 1 is the synoptic diagram of embodiment 1 of the present utility model;
Fig. 2 is the synoptic diagram of embodiment 2 of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment 1
As shown in Figure 1, the utility model provides a kind of device from net meter file extraction device annexation, this device comprises net list file extracting unit 101, information process unit 102, buffer unit 103, the file generating unit 104 that is linked in sequence, also be that net list file extracting unit 101 is connected with information process unit 102, information process unit 102 is connected with buffer unit 103, and buffer unit 103 is connected with file generating unit 104; The user is when using this device, net list file extracting unit 101 is called the selected schematic diagram of establishing in this eda software of functional module process user automatically, generate net meter file, be stored in the certain path on the disk, net list file extracting unit 101 is handled for subsequent analysis according to this path extraction net meter file; Described information process unit 102 comprises filtration subelement 1021 and judgment sub-unit 1022, filtering subelement 1021 is connected with net list file extracting unit 101, judgment sub-unit 1022 is connected in filters between subelement 1021 and the buffer unit 103, be used to handle the net meter file that net list file extracting unit 101 is extracted, at first filter out the information that does not comprise the device annexation in the net meter file by filtering subelement 1021, grade such as the device definition part, read the remaining information that comprises the device annexation afterwards line by line, obtain network name and the components and parts title and the pin link information that are connected in this network, send to judgment sub-unit 1022, judgment sub-unit 1022 judges whether network name and the components and parts title and the pin link information that are connected in this network are preset value, if yes, then above-mentioned data are sent to buffer unit 103 buffer memorys; Buffer unit 103 is connected in information process unit 102 and file generating unit 104, is used for the metadata cache that information process unit 102 is obtained; File generating unit 104 is connected with buffer unit 103, be used to generate the file of outlines device annexation, file generating unit 104 reads the network name that is buffered in the buffer unit 103 and is connected in the components and parts title and the pin link information of this network, write in the new computer documents, obtain the file of outlines device annexation.For example, this document is TXT formatted file, XML formatted file or html format file.
Embodiment 2
As shown in Figure 2, the utility model provides a kind of device from net meter file extraction device annexation, be with the difference of embodiment 1, this device has increased an input port, it is connected with described net list file extracting unit, be used to receive the described device information or the described net meter file of outside input, send to described extraction unit.For example, as shown in Figure 2, this input port is a user input mouth 100, user input mouth 100 is connected in net list file extracting unit 101, and the following needs of some situation are known the central part of devices annexation of schematic diagram, is at this moment just imported the name information of this part of devices by the user, 101 needs of net list file extracting unit extract the net meter file relevant with this part of devices name information and get final product, like this, reduce the system handles data volume, improve system handles efficient.
Another example is, a user input device can also be set be connected with user input mouth 100, by the user by this user input device, entering apparatus information or other instructions.For example, this user input device is a keyboard, hand-held entry terminal; Perhaps, the user input mouth is a USB port, and user input device is one to have the memory device of USB interface, and when user input device was connected with the user input mouth, net list file extracting unit initiatively read net meter file wherein.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (4)
1, a kind of device from net meter file extraction device annexation is characterized in that, comprises the net list file extracting unit, information process unit, buffer unit, the file generating unit that are linked in sequence; Described net list file extracting unit is used to extract net meter file, sends to described information process unit; Described information process unit is used for the analyzing and processing net meter file, obtains deal with data, sends to described buffer unit; Wherein, described handle packet includes network name and the title and the pin link information thereof that are connected at least one components and parts of this network, described buffer unit is used for the described deal with data of buffer memory; Described file generating unit is used for reading described deal with data from described buffer unit, generates the file of outlines device annexation.
2, device according to claim 1 is characterized in that, also comprises an input port that is connected with described net list file extracting unit, is used to receive the described device information or the described net meter file of outside input, sends to described extraction unit.
3, device according to claim 2 is characterized in that, also comprises a user input device that is connected with described input port, is used to import described device information or other steering orders.
4, device according to claim 1 and 2 is characterized in that, described information process unit comprises filtration subelement and judgment sub-unit; Described filtration subelement is connected with described net list file extracting unit, be used for filtering described net meter file and the irrelevant information of described device annexation, and read the network name in the described net meter file and be connected in the components and parts title and the pin link information of this network, send to described judgment sub-unit; Described judgment sub-unit is connected with described buffer unit, is used for when the title of described network name, described components and parts and pin link information are preset value it being sent to described buffer unit as described deal with data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201238178U CN201322931Y (en) | 2008-11-18 | 2008-11-18 | Device for extracting device connection relation from netlist file |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201238178U CN201322931Y (en) | 2008-11-18 | 2008-11-18 | Device for extracting device connection relation from netlist file |
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| Publication Number | Publication Date |
|---|---|
| CN201322931Y true CN201322931Y (en) | 2009-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201238178U Expired - Fee Related CN201322931Y (en) | 2008-11-18 | 2008-11-18 | Device for extracting device connection relation from netlist file |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106021684A (en) * | 2016-05-16 | 2016-10-12 | 北京航天发射技术研究所 | Module power supply standard design system, and design method and application thereof |
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2008
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106021684A (en) * | 2016-05-16 | 2016-10-12 | 北京航天发射技术研究所 | Module power supply standard design system, and design method and application thereof |
| CN106021684B (en) * | 2016-05-16 | 2019-04-09 | 北京航天发射技术研究所 | A kind of modular power source standardized designs system and its design method, application |
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Owner name: SHENZHEN ZHONGQINGWEI TECHNOLOGY DEVELOPMENT CO., Free format text: FORMER OWNER: BEIJING JUSHU DIGITAL TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20110720 |
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Free format text: CORRECT: ADDRESS; FROM: 100085 ROOM 402B, TOWER E, YINGCHUANG POWER PARK, NO. 1, SHANGDI EAST ROAD,HAIDIAN DISTRICT, BEIJING TO: 518040 706, TAIRAN FACTORY BUILDING 211, CHEGONGMIAO INDUSTRIAL ZONE, FUTIAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
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Effective date of registration: 20110720 Address after: Futian District Che Kung Temple Tairan Industrial Zone in Shenzhen city of Guangdong province 518040 211 industrial buildings 706 Patentee after: Shenzhen Zhongqingwei Technology Development Co., Ltd. Address before: 100085 Beijing city Haidian District East Road No. 1 building E room 402B power Creative Park Patentee before: Beijing Jushu Digital Technology Development Co., Ltd. |
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Granted publication date: 20091007 Termination date: 20131118 |