CN104459255B - A kind of method of graphical playback discrete magnitude and GJB289A bus datas - Google Patents

A kind of method of graphical playback discrete magnitude and GJB289A bus datas Download PDF

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CN104459255B
CN104459255B CN201410683050.4A CN201410683050A CN104459255B CN 104459255 B CN104459255 B CN 104459255B CN 201410683050 A CN201410683050 A CN 201410683050A CN 104459255 B CN104459255 B CN 104459255B
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waveform
signal
file
discrete magnitude
playback
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CN104459255A (en
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王玲琴
王玉霞
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Luoyang Institute of Electro Optical Equipment AVIC
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Luoyang Institute of Electro Optical Equipment AVIC
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Abstract

The present invention relates to a kind of method of graphical playback discrete magnitude and GJB289A bus datas, belong to waveform Display Processing Technology field.The present invention discrete magnitude signal that collection storage in real time to be monitored first and GJB289A bus datas;Then signal to display is chosen, retrieval forms the text playback file of selected signal;DrawWaveform waveforms play function is called to carry out waveform broadcasting to text playback file finally according to the curriculum offering waveform display parameters in text playback file, and according to display parameters.The present invention can make user than the synchronization monitoring multichannel discrete signal and GJB289A bus datas of previously more intuitive and convenient, debugging test personnel and attendant's more accurate quick is helped to judge the working condition of system, debugging troubleshooting operating efficiency is improved, accelerates to fix a breakdown, it is ensured that system worked well.

Description

A kind of method of graphical playback discrete magnitude and GJB289A bus datas
Technical field
The present invention relates to a kind of method of graphical playback discrete magnitude and GJB289A bus datas, belong at waveform display Manage technical field.
Background technology
Available data play back primarily directed to same signal monitoring play back, either discrete signal collection playback or It is the monitoring playback for GJB289A bus signals, two kinds of signals are not put together into synchronous contrast shows;It is general at present The monitoring playback of GJB289A bus signals be generally written form, rather than graphic form;The discrete signal monitored with macrooscillograph Limited amount, typically smaller than 3 road signals, and the waveform of display is only the current waveform for grabbing the screen time;The number of usual software playback Player function is not carried out according to waveform, it is impossible to which any time that selection is stopped in record time range checks with arbitrary period Waveform.
The content of the invention
It is an object of the invention to provide a kind of method of graphical playback discrete magnitude and GJB289A bus datas, to solve It is existing the problem of can not play back discrete magnitude and GJB289A bus datas simultaneously.
The present invention provides a kind of graphical discrete magnitude and GJB289A bus datas of playing back to solve prior art problem Method, this method comprises the following steps:
1) collection storage in real time to be monitored discrete magnitude signal and GJB289A bus datas;
2) signal to display is chosen, retrieval forms the text playback file of selected signal;
3) the curriculum offering waveform display parameters in text playback file, and being called according to display parameters DrawWaveform waveforms play function carries out waveform broadcasting to text playback file.
The step 1) in the collection storage of discrete signal and GJB289A bus datas use the method for synchronization, it is described discrete Amount is acquired storage using timing acquiring storage, the GJB289A bus datas by down trigger.
The step 2) retrieval formed choose signal text process it is as follows:
A. all record datas are read according to storage format and storage order, if it is discrete therefrom to retrieve selected main line Amount and GJB289A bus datas;
B. the discrete magnitude and GJB289A bus datas that retrieve are parsed respectively, and unloading is a kind of setting form File;
C. the discrete magnitude after unloading is set into formatted file and GJB289A bus signals setting formatted file merges into one Formatted file is set, the text playback file for choosing signal is used as using this file.
The step 3) in waveform display parameters include waveform progress bar, transverse axis cell time, waveform starting point when Between, the waveform progress bar is that the time range recorded according to text playback of data is set.
The step 3) in waveform play comprise the following steps:
A. timing sequence reads data needed for waveform in text playback file;
B. required text data is converted into played data, and transverse axis is stored to respectively according to affiliated array classification and play array With longitudinal axis played data group;
C. show that control is played played data in array and longitudinal axis played data group to transverse axis and played out using waveform.
Form is set as txt, pdf, word or excel in the step B.
The beneficial effects of the invention are as follows:The present invention first in real time collection storage the discrete magnitude signal to be monitored with GJB289A bus datas;Then signal to display is chosen, retrieval forms the text playback file of selected signal;Finally Curriculum offering waveform display parameters in text playback file, and call DrawWaveform waveforms to broadcast according to display parameters Put function pair text playback file and carry out waveform broadcasting, discrete magnitude and the graphical of GJB289A bus datas are returned so as to realize Put.The present invention can make user than the synchronization monitoring multichannel discrete signal and GJB289A bus datas of previously more intuitive and convenient, side Help debugging test personnel and attendant more accurate quick to judge the working condition of system, improve debugging troubleshooting operating efficiency, Quickening is fixed a breakdown, it is ensured that system worked well.
Brief description of the drawings
Fig. 1 is graphical playback schematic diagram in the embodiment of the present invention;
Fig. 2 is the flow chart graphically played back in the embodiment of the present invention.
Embodiment
The embodiment to the present invention is further described below in conjunction with the accompanying drawings.
The present invention realizes that the hardware foundation of graphical playback multichannel discrete magnitude and GJB289A bus datas includes PXI buses Industrial computer, 2 piece of 1553 board and 3 pieces of discrete magnitude capture cards (every piece of discrete magnitude card can gather 96 road signals), hardware supported prison 288 tunnel discrete magnitude signals of 2 road GJB289A buses and collection are controlled, user can select bus signals according to demand in actual applications The quantity of quantity and discrete magnitude signal.
Graphical playback multichannel discrete magnitude provided by the present invention and GJB289A bus data methods, first collection in real time Store the discrete magnitude signal to be monitored and GJB289A bus datas;Then signal to display is chosen, retrieval forms selected The text playback file for the number of winning the confidence;Finally according to the curriculum offering waveform display parameters in text playback file, and according to display Parameter call DrawWaveform waveforms play function carries out waveform broadcasting to text playback file.Play control is simultaneously in theory The waveform quantity of broadcasting is not specifically limited, but can be recognized that degree is limited to waveform by screen height in practical application and user System, can accomplish most 8-12 bars waveforms;Each signal type for playing waveform is not also limited simultaneously, and each waveform can basis Need to be customized to bus signals or and discrete magnitude signal, the present embodiment chooses the tunnel of peak signal quantity 8,6 according to the demand of user Road discrete magnitude signal and 2 road GJB289A bus signals, this method flow is as shown in Fig. 2 specific implementation process is as follows.
1. all discrete signals and bus data to be monitored of collection storage in real time
First, two kinds of signals need synchronous acquisition, and same counter is used while being all during synchronous storage, i.e. collection storage The signal of work beats markers.This example uses 1553 boards to beat markers from tape counter for all collection signals, due to discrete magnitude Signal itself action response time, it is impossible to reach very high precision, therefore the precision of balance discrete magnitude and GJB289A signals is needed Ask and by the two put together referring to demand, choose stored record time scale reading be millisecond, in order to improve storage speed Degree, file is stored in a binary format.
When collection storage starts, using local zone time as the time zero time, 1553 counter O resets start timing, simultaneously Starting point is charged into storage file.Storage file has three:Discrete magnitude file FILE fIO;FILE fBus1;FILE fBus2;
SYSTEMTIME systimeStart;
GetLocalTime(&systimeStart);
fwrite(&systimeStart,sizeof(SYSTEMTIME),1,fIO);
fwrite(&systimeStart,sizeof(SYSTEMTIME),1,fBus1);
fwrite(&systimeStart,sizeof(SYSTEMTIME),1,fBus2);
All discrete magnitude signals of discrete magnitude timing acquiring;Acquisition order is that 3 board numberings are gathered successively from small to large, often Individual board gathers all 96 discrete magnitudes simultaneously every time,
Discrete magnitude timing is stored, and storage order is that 3 board numberings are stored successively from small to large, according to logical in each board Road order stores 96 road measures of dispersion evidences successively from small to large, and each board discrete magnitude signal storage format is:
GJB289A monitoring bus (BM) is monitored using down trigger, once there is message response to trigger interruption, you can read Storage message and message response time are taken, information is stored according to bus data storage format, and write storage file.
Bus data storage format is:
2. design playback interfaces
The playback interfaces used in the present embodiment are as shown in figure 1, including waveform viewing area 1, signal behavior area 2, light Mark viewing area 3, reference measure axle set and viewing area 4, single screen wave setting area 5 and waveform broadcast button and browse text button 6。
The present invention chooses NTGRAPH waveform play control, and it can store the waveform of broadcasting.Transverse axis is divided into 10 by rippled interface Individual cell, the longitudinal axis is set to (- 1,16), because discrete magnitude only has effective and invalid two values, in order to show 8 road signals, Y-axis value Odd number represents signal effectively, and even number represents invalidating signal.Concurrently set interval (0<=y<=1) show selection signal 1, interval (2 <=y<=3) show selection signal 2, interval (4<=y<=5) show selection signal 3 ... interval (12<=y<=13) show Selection signal 7, interval (14<=y<=15) show selection signal 8.Shown each on the waveform viewing area left Y-axis coordinate left side The title of selection signal, such as Fig. 1.The progress that progress bar control display waveform is played.
Signal behavior area includes 8 combination selection controls, and 8 road signals are selected respectively, wherein fixing selection signal 1 to selection Signal 6 is used for the 6 road discrete magnitudes for selecting to need to show, selection signal 7 is used to choose whether to need display GJB289A buses 1, extremely Selection signal 8 is used to choose whether to need display GJB289A buses 2.
When cursor viewing area is used to show that mouse clicks on waveform viewing area, the waveform abscissa line time of cursor point and the longitudinal axis Value, such as Fig. 1.
Reference measure axle is set and viewing area, including reference axis and the measurement setting of axle, reference axis abscissa time showing, Measure the abscissa time difference of axle abscissa time showing and measurement axle and reference axis, such as Fig. 1.User is by clicking on button " ginseng Examine axle ", there is reference axis figure in waveform viewing area, and user sets reference axis by clicking on mouse in waveform viewing area to select Position, while showing reference axis time coordinate in the edit box below button " reference axis ".User is by clicking on button " survey Measure axle ", there is measurement axle figure in waveform viewing area, and user sets measurement axle by clicking on mouse in waveform viewing area to select Position.Measurement axle figure upper end display measurement axle and the time difference of reference axis in waveform viewing area, while in button " measurement Measurement axle time coordinate is shown in edit box below axle ".
Single screen wave setting area provides two kinds of setting means:
First, waveform display mode is selected by setting figure lateral cell lattice time interval, this mode is to meet It is familiar with the custom that oscillograph sets waveform to show;
2nd, select waveform display mode by directly setting figure initial time and end time, this mode it is any Degree is very big, without considering that only several cell time intervals are limited, as long as end time is more than initial time, records the time Interior any range.
Playback interfaces put waveform broadcast button and browse text button, such as Fig. 1.
After user has selected display signal and has set up figure play parameter, you can click on the Play button, play Figure.
After user has selected display signal, " browsing text " button is clicked on, you can check signals selected text entry.
3. the signal that selection sequence is shown
First by signal name input signal in need combine in the range of choice of choice box, code is as follows:
Then, user combines choice box selection signal in main interface click signal, after confirming that frame is chosen, need to show Signal just have selected, while showing the title of each selection signal on the waveform viewing area left Y-axis coordinate left side.Confirm that frame is chosen And the code shown is as follows:
4. retrieval forms the text playback of data for choosing signal
Signal to form the text for choosing signal after choosing it is necessary to retrieve, and for user and plays waveform later and uses, This process includes 3 aspects, as follows.
1) from the binary system discrete magnitude file of storage, all record numbers are read according to storage format and storage order According to data parsing therefrom retrieves the several signals data of selection, a txt file is saved as sequentially in time, is defined as FILE fPlayIO。
2) from the binary system bus file of storage, read according to storage format and storage order, data are parsed into unloading For txt file, or pdf, word, or excel file, this example has only selected txt file, is defined as FILE fPalyBus1 With FILE fPalyBus2.
While file f PalyBus1 and fPalyBus2 is generated, according to the data for reading binary system bus file, go back The discrete data files that bus signals whether there is are generated, FILE fPlayIOBUS1, FILE fPlayIOBUS2 is defined as.Generation The method of discrete data files is the recording responses time, while record data value is designated as 1 expression signal at the time of having message response Effectively (if system message responding time intervals are more than 10 milliseconds, it is proposed that in order to ensure that waveform widths are easily recognized by the user and clicked on, will disappear Cease subsequent time both next millisecond of response, 1) data value is also denoted as, it is other without message response at the time of, the recording responses time, Record data value is designated as 0 (expression invalidating signal) simultaneously.
3) by the discrete txt file fPlayIOBUS1 of the txt file fPlayIO of discrete magnitude and bus signals with FPlayIOBUS2 merges into a txt file, according further to user's request also can by this file unloading be pdf, word, or Excel files, this example has only selected txt file, is defined as FILE fPlay.
5. click on the text entry for checking selection signal
After text generation, " browsing text " button is clicked on, ShellExecute function operations are called Notepad.exe programs, you can open log file, code is as follows:
ShellExecute(NULL,"","C:\\WINDOWS\\system32\\notepad.exe","E:\\ Monitor\\dataIO.txt",NULL,SW_SHOW);
6. form the time range of playback signal waveform progress bar
When the binary system discrete magnitude file of storage is read, the time range of data record is obtained, this time model is used Setting waveform progress bar is enclosed, the time range of playback signal waveform progress bar is formed, code is as follows:
7. the transverse axis cell time of display waveform is set
Such a setting form is to set single screen waveform to show one kind in two kinds of forms, and it is familiar with oscillograph and set to meet Put the custom that waveform is shown, set the transverse axis cell time of display waveform to be used in the case of two kinds, one, play before waveform, By the setting transverse axis cell time, the reproduction time span of every screen is calculated;2nd, play after waveform, user checks the need of waveform To check that wavy manner is similar with oscillograph.
Its implementation is:According to the transverse axis initial time of screen, by setting the transverse axis cell time, show that screen shows The time range of oscillography shape, then sets waveform to show control, and code is as follows:
8. play waveform
Waveform display parameters are set up, after the file generated that need to be played, so that it may clicked on the Play button and played waveform, The process of implementing is described below.
1) txt file fPlayIO is opened, file is read, the starting point time is first read, is shown on waveform picture.Code It is as follows:
2) timer is started.Data are converted into played data by data needed for timing sequence reads the single screen waveform of file, Then show that control plays single screen data using waveform,
The code for starting timer is as follows:
3) the reading file gone round and begun again, is converted into played data, plays single screen data.
Data needed for reading single screen waveform is described in detail below, data are converted into the detailed process of played data:
<1>According to reading file number of times, and transverse axis cell time interval, calculate waveform viewing area transverse axis initial time with End time,
Code is as follows:
<2>, read file, data are stored to broadcasting array, transverse axis array is nXArray, longitudinal axis array dYArray, code It is as follows:
<3>, set often shield waveform indication range, set progress bar progress.Code is as follows:
<4>, draw waveform, code is as follows:
4) until file is run through, waveform is discharged, and closes txt file fPlay, Off Timer.Code is as follows:
9. click on the numerical value and waveform for checking random time point in record time range
User clicks on mouse in waveform viewing area, the message response event changed using the cursor position of control, obtains light Target coordinate value, is then shown in the cursor viewing area of playback interfaces, and code is as follows:
10. set and check the signal waveform of random time section in record time range
In the single screen wave setting area of playback interfaces, figure initial time and end time are set, then click on " it is determined that " Button, waveform control is transmitted to by parameter, sets waveform display mode, and code is as follows:
11. setting the transverse axis cell time, the signal waveform zoomed in or out is checked
Such a setting form is to set waveform to show one kind in two kinds of forms, and waveform realization is familiar with to meet Custom, its realization rate is identical with step 7, and one is used to play the setting of the waveform before waveform, and one is used to play waveform Waveform afterwards is set.
Reference axis and measurement axle time are set 12. clicking on, the two time difference is checked
Set and viewing area in the reference measure axle of playback interfaces, user utilizes waveform by clicking on button " reference axis " Space draws reference axis figure.
Code is as follows:
When user in waveform viewing area by clicking on mouse, the message response thing of the cursor position change of utilization space Part, obtains the coordinate value of cursor, reference axis is drawn in this cursor position, so that the position for setting reference axis is realized, while by light Target coordinate value is shown in reference to axial coordinate viewing area.Code is as follows:
The setting for measuring axle is similar with display with reference axis, and difference is to have measured more than axle the display with the reference axis time difference, Only need to be according to measurement axle and the X-axis coordinate value of reference axis, so that it may draw the time difference.
Implement code as follows:
13. in waveform viewing area, interval (12<=y<=13) show that selection signal 7 is the message of show bus 1, area Between (14<=y<=15) show that selection signal 8 is the message of show bus 1.
It is example with bus 1, user clicks on the interval waveform of bus signals, when numerical value is (12<=y<=13) when, according to The coordinate value of clicking point is 1553B message response moment values, searches for txt file FILE fPlayBus1, and response data is shown in In oscillogram, as shown in Figure 1.

Claims (6)

1. a kind of method of graphical playback discrete magnitude and GJB289A bus datas, it is characterised in that this method includes following step Suddenly:
1) real-time synchronization collection storage to be monitored discrete magnitude signal and GJB289A bus datas;
2) signal to display is chosen, retrieval forms the text playback file of selected signal;
3) the curriculum offering waveform display parameters in text playback file, and DrawWaveform is called according to display parameters Waveform play function carries out waveform broadcasting to text playback file, realizes synchronization monitoring multichannel discrete magnitude signal and GJB289A Bus data.
2. the method for graphical playback discrete magnitude according to claim 1 and GJB289A bus datas, it is characterised in that The step 1) in the collection storage of discrete signal and GJB289A bus datas use the method for synchronization, the discrete magnitude is using fixed When collection storage, the GJB289A bus datas are acquired storage by down trigger.
3. the method for graphical playback discrete magnitude according to claim 2 and GJB289A bus datas, it is characterised in that The step 2) retrieval formed choose signal text playback file process it is as follows:
A. all record datas are read according to storage format and storage order, if therefrom retrieve selected main line discrete magnitude and GJB289A bus datas;
B. the discrete magnitude and GJB289A bus datas that retrieve are parsed respectively, and unloading is a kind of text for setting form Part;
C. the discrete magnitude after unloading is set into formatted file and GJB289A bus signals setting formatted file merges into a setting Formatted file, the text playback file for choosing signal is used as using this file.
4. the method for graphical playback discrete magnitude according to claim 3 and GJB289A bus datas, it is characterised in that The step 3) in waveform display parameters include waveform progress bar, transverse axis cell time, waveform starting point time, the ripple Shape progress bar is that the time range recorded according to text playback of data is set.
5. the method for graphical playback discrete magnitude according to claim 4 and GJB289A bus datas, it is characterised in that The step 3) in waveform play comprise the following steps:
A. timing sequence reads data needed for waveform in text playback file;
B. required text data is converted into played data, and transverse axis is stored to respectively according to affiliated array classification and play array and vertical Axle played data group;
C. show that control is played played data in array and longitudinal axis played data group to transverse axis and played out using waveform.
6. the method for graphical playback discrete magnitude according to claim 5 and GJB289A bus datas, it is characterised in that Form is set as txt, pdf, word or excel in the step B.
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