CN106294264A - Packet data is analyzed method and is analyzed system with packet data - Google Patents
Packet data is analyzed method and is analyzed system with packet data Download PDFInfo
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- CN106294264A CN106294264A CN201510247568.8A CN201510247568A CN106294264A CN 106294264 A CN106294264 A CN 106294264A CN 201510247568 A CN201510247568 A CN 201510247568A CN 106294264 A CN106294264 A CN 106294264A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 139
- 239000000284 extract Substances 0.000 claims abstract description 15
- 238000000605 extraction Methods 0.000 claims description 21
- 230000002123 temporal effect Effects 0.000 claims description 9
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 238000011160 research Methods 0.000 description 16
- 238000012360 testing method Methods 0.000 description 9
- 238000007405 data analysis Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0016—Inter-integrated circuit (I2C)
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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Abstract
The present invention provides a kind of packet data to analyze method and analyzes system with packet data.At least one package is received based on interface transmission protocols by data receiver circuit.Extracted the package transmission information of above-mentioned package by data receiver circuit, and above-mentioned package transmission information is stored in memory element.It is connected to memory element, the specific format file generated with acquisition based on package transmission information by external device (ED).Above-mentioned specific format file is opened, to show package transmission information by external device (ED).Thus receive package by data transmission circuit and extract package transmission information voluntarily, it may be unnecessary to just can analyze and detect, by expensive analytical tool, the packet data transmitted by package serial line interface.
Description
Technical field
The invention relates to the data analysing method of a kind of coffret, and seal in particular to one
Bag data analysing method analyzes system with packet data.
Background technology
For the serial package transmission interface of specific specifications, interface conveyer must depend on
According to specific package form, data packet is turned to multiple package, to be passed by serial package transmission interface
These packages defeated.When research staff is intended to detect the envelope that chip to be measured is transmitted via serial package transmission interface
During bag data, it will usually utilize an analytical tool to extract input defeated to chip to be measured or chip to be measured institute
The digital signal gone out.So, research staff can divide according to signal content shown in a display device
Analysis, with whether detect above extracted digital signal normal, used and is judged that the design of above-mentioned chip to be measured is
No normally.
Specifically, Figure 1A Yu Figure 1B is the configuration diagram of existing test system.Refer to Figure 1A,
When the interface transmission circuit of chip 10 to be measured is connected to protocol analyzer 20 by research staff, agreement is divided
Analyzer 20 can be exported to resolve chip 10 to be measured according to the interface transmission protocols that chip 10 to be measured is used
Packet data, whether the data allowing well research staff can verify that chip 10 to be measured is transmitted further meet
The specification of above-mentioned interface transmission protocols.It addition, refer to Figure 1B, research staff also can be by protocol analyzer
Between 20 interface reception circuitry being connected to chip 10 to be measured and package transmission end 30, protocol analyzer 20
The packet data that chip 10 to be measured is received can be resolved, allow well research staff may further confirm that chip to be measured
10 received datas are the most correct.But, protocol analyzer is the most expensive, and research staff can
The data of checking are the most elastic.Protocol analyzer be also possible to the specification along with interface transmission protocols change and
Limited by using.Furthermore, when chip has been arranged at circuit board and has become commodity, just it is difficult to
Connect logic analyser again to be analyzed.
Summary of the invention
In view of this, the present invention provides a kind of packet data to analyze method and analyzes system with packet data, logical
Cross data transmission circuit receive package and extract package transmission information voluntarily, it may be unnecessary to divided by expensive
The packet data transmitted by package serial line interface just can be analyzed and detect to analyzer device.
The present invention proposes a kind of packet data and analyzes method, comprises the following steps.By data receiver circuit base
At least one package is received in interface transmission protocols.The package transmission of above-mentioned package is extracted by data receiver circuit
Information, and above-mentioned package transmission information is stored in memory element.It is connected to memory element by external device (ED),
The specific format file generated based on package transmission information with acquisition.Opened above-mentioned specific by external device (ED)
Formatted file, to show package transmission information.
In one embodiment of this invention, the above-mentioned package transmission information being extracted package by data receiver circuit,
And the step that package transmission information is stored in memory element includes: by data receiver circuit according to custom rule
Then extract the numerical data in package, to obtain package transmission information.By data receiver circuit record package
Temporal information, to obtain package transmission information.
In one embodiment of this invention, the above-mentioned package transmission information being extracted package by data receiver circuit,
And the step that package transmission information is stored in memory element also includes: by data receiver circuit record data
Receive the mode of operation of the inner member of circuit, to obtain package transmission information.
In one embodiment of this invention, above-mentioned packet data analysis method also includes: by data receiver electricity
Road, according to interface transmission protocols solution packetized package, is assisted with being associated with interface transmission by transmission data to obtain
The package formatted data of view.
In one embodiment of this invention, what above-mentioned package transmission information included being transmitted in data is special fixed
Justice data and all or part of package formatted data.
In one embodiment of this invention, above-mentioned interface transmission protocols is mobile Industry Processor Interface
(Mobile Industry Processor Interface, MIPI) agreement, and package formatted data includes MIPI
The data shape of agreement institute specification, tunnel identification code, error correcting code and Cyclic Redundancy Code (cyclic
Redundancy code, CRC).
In one embodiment of this invention, above-mentioned it is connected to memory element by external device (ED), obtains based on envelope
Bag transmission information and the step of specific format file that generates include: by external device (ED) by memory element
Package transmission storage dump (dump) is original shelves.Analyzed original shelves by external device (ED) and produce particular bin
Formula file.
In one embodiment of this invention, above-mentioned by external device (ED) unlatching specific format file, to show envelope
The step of bag transmission information includes: utilized mode chart detector to open specific format shelves by external device (ED), with
Display is associated with the oscillogram of package transmission information.
The present invention proposes a kind of packet data and analyzes system, and it includes data receiver circuit, memory element,
And external device (ED).Data receiver circuit includes extraction module, and receives at least based on interface transmission protocols
One package.Said extracted module extracts the package transmission information of package.Memory element couples data and processes electricity
Road, receives package transmission information from data receiver circuit and stores package transmission information.External device (ED) via
Coffret is connected to memory element, the specific format file generated based on package transmission information with acquisition.
Specific format file opened by external device (ED), to show package transmission information.
In one embodiment of this invention, above-mentioned packet data analysis system also includes chip to be measured.To be measured
Chip couples data receiver circuit, and packetized is transmitted data and produces package, and assists based on interface transmission
View transmits package to data receiver circuit.
Based on above-mentioned, extract package transmission information and by automatic for package transmission information by data receiver circuit
Being stored in a memory element, the present invention can not only save the cost of purchase expensive machines and also improve transmission
The convenience of interface testing.Furthermore, believed according to making Rule Extraction package transmission by oneself by data receiver circuit
Breath, correct and elastic needed for the present invention can transmit test in response to the renewal of interface transmission protocols and interface
Extract optimal package transmission information.
For the features described above of the present invention and advantage can be become apparent, special embodiment below, and coordinate
Accompanying drawing is described in detail below.
Accompanying drawing explanation
Figure 1A Yu Figure 1B is the configuration diagram of existing test system；
Fig. 2 is the configuration diagram analyzing system according to the packet data shown by one embodiment of the invention；
Fig. 3 is the flow chart analyzing method according to the packet data shown by one embodiment of the invention；
Fig. 4 is the schematic diagram according to the package transmission information shown by one embodiment of the invention；
Fig. 5 is the model according to the oscillogram being associated with package transmission information shown by one embodiment of the invention
Illustrate and be intended to.
Description of reference numerals:
10: chip to be measured；
20: protocol analyzer；
30: package transmission end；
200: packet data analyzes system；
210: chip to be measured；
220: data receiver circuit；
221: extraction module；
230: memory element；
240: external device (ED)；
I1, I2: coffret；
P1: package；
40: package transmission information；
50: oscillogram；
Time_stamp: temporal information；
Over_flow: overflow state；
Err_status: error condition；
Heff: horizontal-drive signal logical value；
Eof: frame end delimiter；
Sof: SFD；
Ch_id: tunnel identification code；
Data_type: data shape；
S301～S304: step.
Detailed description of the invention
Compared to utilizing expensive analytical tool to carry out interface transmission test, the present invention is by transmitting data
Circuit extracts package transmission information voluntarily and completes interface transmission test.In order to make present disclosure more
Understand, be exemplified below the example that embodiment can actually be implemented according to this as the present invention.
Fig. 2 is the configuration diagram analyzing system according to the packet data shown by one embodiment of the invention.
Refer to Fig. 2, packet data analyze system 200 include chip 210 to be measured, data receiver circuit 220,
Memory element 230 and external device (ED) 240.Chip 210 to be measured connects data by coffret I1 and connects
Receive circuit 220.Coffret I1 is that the chip chamber supporting an interface transmission protocols connects interface.Citing and
Speech, interface transmission protocols e.g. moves Industry Processor Interface (Mobile Industry Processor
Interface, MIPI) agreement, inter-integrated circuit (Inter-Integrated Circuit, I2C) agreement or
Chip chamber USB (universal serial bus) (Inter-chip USB) agreement, this is not intended to by the present invention.Chip to be measured
The peripheral unit of 210 e.g. electronic installations, seems imageing sensor, acceleration transducer or gyroscope
Deng, this is not intended to by the present invention equally.Chip 210 to be measured can be transmitted data and produced package by packetized,
And transmit package to data receiver circuit 220 based on interface transmission protocols.
Data receiver circuit 220 is the responsible circuit module receiving external data in a chip, said chip
E.g. image-signal processor (Image Signal Processor, ISP) chip or application processor
(Application Processor, AP) chips etc. can be by above-mentioned interface transmission protocols and chip 210 to be measured
Carry out the chip linked up.In other words, data receiver circuit 220 can be considered connecing relative to coffret I1
Receive device circuit.In general, data receiver circuit 220 can include receiving interface physical layer (Physical
Layer, PHY), receiving interface physical layer can include multiple signalling channel.As a example by MIPI agreement,
Receiving interface physical layer includes beniol road (clock lane) and at least one data channel (data lane) for the moment.
Additionally, data receiver circuit 220 may also include receiving interface controller, receiving interface controller can
The package that packetized receiving interface physical layer is received is solved according to interface transmission protocols.In the present embodiment,
The receiving interface physical layer of data receiver circuit 220 receives chip 210 institute to be measured based on interface transmission protocols
Transmit at least one package, and receiving interface controller can solve packetized chip to be measured 210 transmitted to
A few package.It is noted that the data receiver circuit 220 of the present embodiment includes extraction module 221.
Extraction module 221 can include logic circuit, depositor and or firmware, with extract package package transmission believe
Breath.According to setting and the indoor design of extraction module 221, above-mentioned package transmission information can include package
The mode of operation of the inner member of content, the temporal information being associated with package and data receiver circuit 220
Deng.
Memory element 230 couples data receiver circuit 220, e.g. dynamic random access memory
(Dynamic Random Access Memory, DRAM), storage card or hard disk etc. are any has data
The device of storage function, is not limiting as its kind at this.For further, memory element 230 couples
Extraction module 221, to store the output of package transmission information to memory element 230.It is to say,
When extraction module 221 extracts package transmission information, extraction module 221 is by package transmission information transmission
To memory element 230.
External device (ED) 240 is the calculating device with calculation function, e.g. desk computer, notebook
Computer or other computer configuation.External device (ED) 240 can include memory element and processor.External device (ED)
The memory element storage of 240 has software, program or instruction, and the processor of external device (ED) 240 can be loaded into
Above-mentioned software, program or instruction and complete specific function.External device (ED) 240 can be via coffret I2
It is connected with memory element 230.Coffret I2 and coffret I1 can be that support is identical or differ
Interface transmission protocols, this is not intended to by the present invention.For example, coffret I2 and coffret I1
Can be all the coffret supporting MIPI agreement, but the present invention is not limited thereto.
In the present embodiment, when external device (ED) 240 is connected to memory element 230 via coffret I2,
External device (ED) 240 can obtain the specific format file generated based on package transmission information.In simple terms,
The processor of external device (ED) 240 can carry out rear end by performing a simulation tool software to package transmission information
Process and produce specific format file.The file format of specific format file e.g. Verilog hardware description
Change in value dump (Value change dump, the VCD) form that language standard formulates, but the present invention is also
It is not limited.Then, research staff may utilize external device (ED) 240 and opens specific format file, with logical
Cross external device (ED) 240 to show package transmission information.Consequently, it is possible to according to shown by external device (ED) 240
Package transmission information, research staff can learn external device (ED) 240 and packet data analyze system 200 it
Between whether data transmission correct or whether package form meets the specification of interface transmission protocols.
Fig. 3 is the flow chart analyzing method according to the packet data shown by one embodiment of the invention.This reality
The method executing example is applicable to the packet data analysis system 200 shown in Fig. 2, the most i.e. shown in collocation Fig. 2
Each module and element the detailed step of the present embodiment is described.
Refer to Fig. 2 and Fig. 3, in step S301, data receiver circuit 220 assist based on interface transmission
View receives at least one package P1.In other words, chip 210 to be measured is based on interface transmission protocols and via biography
Defeated interface transmits package P1 to data receiver circuit 220.Afterwards, by data receiver circuit 220 according to connecing
Port transmission agreement solution packetized package P1, is transmitted data and the envelope being associated with interface transmission protocols to obtain
Packet format data.Transmitted the data that data are chip 210 data receiver circuit to be sent to 220 to be measured
Herein.Being transmitted based on interface transmission protocols to utilize, chip 210 to be measured can transmit according to interface
The package form of agreement institute specification carrys out packetized and is transmitted data and produce package P1.Relative, data connect
Receive and can solve packetized package P1 after circuit 220 receives package P1 and obtain and transmitted data and based on envelope
Bag form and the package formatted data that is additional in package P1.
With interface transmission protocols for mobile Industry Processor Interface (Mobile Industry Processor
Interface, MIPI) camera serial interfaces (Camera Serial Interface, CSI) in agreement is
Example, package formatted data can include the data shape (data type) of MIPI agreement institute specification, virtual logical
Road identification code (virtual channel identifier), error correcting code (Error Correction Code,
ECC) with Cyclic Redundancy Code (cyclic redundancy code, CRC) etc..Data shape, tunnel
Identification code, error correcting code are recorded in the packet header of package P1, and Cyclic Redundancy Code is recorded in package
The package mark tail of P1.
In step S302, data receiver circuit 220 extract the package transmission information of package P1, and will
Above-mentioned package transmission information is stored in memory element 230.In one embodiment, data receiver circuit 220
Extraction module 221 can be according to the numerical data in custom Rule Extraction package P1, to obtain package transmission
Information.For example, extraction module 221 can be according in the part field of custom Rule Extraction packet header
Package formatted data, the package formatted data that also can extract in the part field of package mark tail.Or,
Extraction module 221 also can extract the specifically defined data transmitted in data.It is to say, package transmission
Specifically defined data that information can include being transmitted in data and all or part of package formatted data.
It addition, in one embodiment, the extraction module 221 recordable package P1 of data receiver circuit 220
Temporal information, to obtain package transmission information.The temporal information of package P1 is beneficial to for external device (ED) 240
Produce special format file.In one embodiment, extraction module 221 record of data receiver circuit 220
The mode of operation of the inner member of data receiver circuit 220, to obtain package transmission information.Data receiver
The inner member of circuit 220 includes buffer, and the mode of operation of inner member can be the number of buffer
According to overflow (overflow) state.
Afterwards, in step S303, external device (ED) 240 be connected to memory element 230, with obtain based on
Package transmission information and the specific format file that generates.In one embodiment, when external device (ED) 240 is by passing
When defeated interface I2 is connected to memory element 230, the package in memory element 230 is passed by external device (ED) 240
Transmission information dump (dump) is original shelves (raw file).Afterwards, external device (ED) 240 analyze above-mentioned original
Shelves and produce specific format file.Specifically, memory element 230 may utilize coffret I2 and exports base
The original shelves produced in package transmission information.External device (ED) 240 will untie this original shelves, thus
Obtain the Bit data that is extracted temporal information on a timeline generation specific format file according to this.
For example, specific format file can be the VCD file meeting VCD form, and VCD
Form is a kind of file format based on ASCII character.Specifically, package P1 is included due to original shelves
Temporal information, the most each stroke numeral data relation on a timeline.Therefore, external device (ED) 240
By performing a simulation tool software, original shelves can be converted to VCD file.
In step S304, external device (ED) 240 open specific format file, to show package transmission information.
Specifically, external device (ED) 240 can open specific format with mode chart detector (waveform viewer)
Shelves, are associated with the oscillogram of package transmission information with display.As a example by file is VCD file in the specific format,
Research staff may utilize a mode chart detector software and opens VCD shelves, and being carried in package transmission information
Fetch data and the most just can be shown in display device in the way of oscillogram.So, research staff can be by inspection
The inspection of data and the analysis of interface transmission protocols is carried out depending on the oscillogram in display device.
It is noted that when chip has been arranged at and has become electronic product on circuit board, research and develop people
The packet data that member cannot utilize MIPI protocol analyzer to be received chip carries out data analysis or envelope
Bag specification verification.In comparison, even if chip has been arranged on circuit board becomes electronic product, by
The packet data transmitted by data receiver circuit can be extracted and be stored in electronic installation in the present invention
In memory element in, therefore research staff may utilize external device (ED) by memory element package transmission believe
Breath reads out, with further the packet data transmitted by data receiver circuit is carried out data analysis or
Package specification verification.
In order to become apparent from illustrate the present invention, Fig. 4 will with chip to be measured as imageing sensor, interface transmission association
View is MIPI agreement, and data receiver circuit is arranged in image-signal processor chip, and is transmitted data
It is that example illustrates for view data.It is appreciated that when chip to be measured is imageing sensor and number
According to receive circuit be arranged in image-signal processor chip time, chip to be measured will be being carried by photo-sensitive cell
The view data got is sent to the data receiver circuit in image-signal processor chip.For in order to pass
For the data receiver circuit of defeated view data, MIPI agreement can be advised by the data receiver circuit of this example
The data shape of model, tunnel identification code, and the protocol-dependent error message of MIPI recorded storage
In unit.Additionally, the overflow state recording of buffer also can be arrived by the data receiver circuit of this example
In memory element.Furthermore, the data receiver circuit of this example also can be by SFD in view data
(Start-of-frame), frame end delimiter (End-of-frame) recorded in memory element.
Fig. 4 is the example schematic according to the package transmission information shown by one embodiment of the invention.Please join
According to Fig. 4, the data length of the package transmission information 40 produced based on a package is 32 bits.So
And, the present invention is not any limitation as the data length of package transmission information.In other implement example,
The data length of package transmission information can also be 36bits, 48bits or other self-defined length.At Fig. 4
In shown example, package transmission information 40 includes the temporal information that data length is 14 bits
Time_stamp, data length are buffer data overflow state over_flow of 1 bit, data length
Be error condition Err_status of 6 bits, data length be the horizontal-drive signal logical value of 1 bit
It is fixed that the frame that heff, data length are the frame end delimiter Eof of 1 bit, data length is 1 bit initiates
Boundary symbol Sof, data length are the tunnel identification code ch id of 2 bits, and data shape data_type.
But, it should be noted that, the package transmission information 40 shown in Fig. 4 is the most exemplary illustrated, and is not used to
Limit the present invention.According to described above, those skilled in the art can determine that according to actual demand package passes
Each data field and content of transmission information 40.
Fig. 5 is the model according to the oscillogram being associated with package transmission information shown by one embodiment of the invention
Illustrate and be intended to.In this example, it is for illustrating as a example by VCD file by particular file format, but this
Invention is not restricted to this.Refer to Fig. 5, external device (ED) may utilize a mode chart detector to open VCD
File, thus wave mode Figure 50 is shown in display device.As it is shown in figure 5, wave mode Figure 50 includes closing
The waveform DT_w, the waveform VC_w being associated with tunnel identification code that are coupled to data shape, it is associated with frame
The waveform SOF_w of starting delimiter, it is associated with the waveform EOF_w of frame end delimiter, is associated with level
The waveform Hsync of synchronizing signal logical value, and it is associated with the waveform Err_w of error condition.Base this, grind
Send out personnel can according to waveform Figure 50 detect interface transmission protocols package transmission the most normal, it is possible to observe
View data in package is the most correct.As a example by waveform 50, due to waveform Hsync, waveform Err_w,
Waveform SOF_w and waveform EOF_w has not intended behavior, and therefore research staff can be to core to be measured
Sheet carries out improving or revising according to this.
In sum, package transmission information is extracted and by automatic for package transmission information by data receiver circuit
Being stored in a memory element, the present invention can not only save the cost of purchase expensive machines and also improve test
The convenience of coffret based on interface transmission protocols test.Furthermore, by data receiver circuit foundation
Making Rule Extraction package transmission information by oneself, the present invention can pass in response to the renewal of interface transmission protocols and interface
Defeated test is required and correctly and flexibly extracts optimal package transmission information.In addition, by rear
The file conversion of end show with waveform, research staff can analyze accurately signal that chip to be measured exported and
Data content is the most normal.When chip has been arranged at circuit board, research staff still can be according to storage
The package transmitted by coffret is detected and analyzes by the package transmission information in unit.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a packet data analyzes method, it is characterised in that including:
At least one package is received based on an interface transmission protocols by a data receiver circuit；
The package transmission information of at least one package described in described data receiver circuit extracts, and by described
Package transmission information is stored in a memory element；
It is connected to described memory element, to obtain based on described package transmission information by an external device (ED)
The specific format file generated；And
Described specific format file is opened, to show described package transmission information by described external device (ED).
Packet data the most according to claim 1 analyzes method, it is characterised in that by described number
According to receiving the package transmission information of at least one package described in circuit extraction, and by described package transmission information
The step being stored in described memory element includes:
By described data receiver circuit according to the digital number at least one package described in a custom Rule Extraction
According to, to obtain described package transmission information；And
By the temporal information of at least one package described in described data receiver circuit record, to obtain described envelope
Bag transmission information.
Packet data the most according to claim 2 analyzes method, it is characterised in that also include:
By the mode of operation of the inner member of data receiver circuit described in described data receiver circuit record,
To obtain described package transmission information.
Packet data the most according to claim 1 analyzes method, it is characterised in that also include:
By described data receiver circuit according at least one envelope described in described interface transmission protocols solution packetized
Bag, is transmitted data and the package formatted data being associated with described interface transmission protocols to obtain.
Packet data the most according to claim 4 analyzes method, it is characterised in that described package
Transport packet includes the described specifically defined data transmitted in data and all or part of described envelope
Packet format data.
Packet data the most according to claim 4 analyzes method, it is characterised in that described interface
Host-host protocol is mobile Industry Processor Interface agreement MIPI, and described package formatted data includes MIPI
The data shape of agreement institute specification, tunnel identification code, error correcting code and Cyclic Redundancy Code CRC.
Packet data the most according to claim 1 analyzes method, it is characterised in that outside described
Part device is connected to described memory element, obtains the described spy generated based on described package transmission information
The step determining formatted file includes:
By described external device (ED) by the described package transmission storage dump in described memory element be one former
Beginning shelves；And
Analyzed described original shelves by described external device (ED) and produce described specific format file.
Packet data the most according to claim 1 analyzes method, it is characterised in that outside described
Part device opens described specific format file, to show that the step of described package transmission information includes:
A mode chart detector is utilized to open described specific format shelves, to show pass by described external device (ED)
It is coupled to the oscillogram of described package transmission information.
9. a packet data analyzes system, it is characterised in that including:
One data receiver circuit, including an extraction module, receives at least one based on an interface transmission protocols
Package, wherein said extraction module extract described in the package transmission information of at least one package；
One memory element, couples described data processing circuit, receives described from described data receiver circuit
Package transmission information also stores described package transmission information；
One external device (ED), is connected to described memory element via a coffret, to obtain based on described
Package transmission information and the specific format file that generates, wherein said external device (ED) is opened described specific
Formatted file, to show described package transmission information.
Packet data the most according to claim 9 analyzes system, it is characterised in that also include:
One chip to be measured, couples described data receiver circuit, and packetized is transmitted data and produces described
At least one package, and connect based at least one package to described data described in the transmission of described interface transmission protocols
Receive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247568.8A CN106294264B (en) | 2015-05-15 | 2015-05-15 | Packet data analysis method and packet data analysis system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247568.8A CN106294264B (en) | 2015-05-15 | 2015-05-15 | Packet data analysis method and packet data analysis system |
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| CN106294264A true CN106294264A (en) | 2017-01-04 |
| CN106294264B CN106294264B (en) | 2019-11-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059769A (en) * | 2007-06-13 | 2007-10-24 | 威盛电子股份有限公司 | Universal serial bus device test system and its method |
| CN102495920A (en) * | 2011-11-21 | 2012-06-13 | 南京中兴特种软件有限责任公司 | Integrated logic analysis module based on PCIe (peripheral component interconnection express) for FPGA (field programmable gate array) |
| CN104237760A (en) * | 2013-06-08 | 2014-12-24 | 京元电子股份有限公司 | Testing device and testing method for semiconductor components |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059769A (en) * | 2007-06-13 | 2007-10-24 | 威盛电子股份有限公司 | Universal serial bus device test system and its method |
| CN102495920A (en) * | 2011-11-21 | 2012-06-13 | 南京中兴特种软件有限责任公司 | Integrated logic analysis module based on PCIe (peripheral component interconnection express) for FPGA (field programmable gate array) |
| CN104237760A (en) * | 2013-06-08 | 2014-12-24 | 京元电子股份有限公司 | Testing device and testing method for semiconductor components |
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