CN101685107B - Testing device with setting state converting function and control method thereof - Google Patents
Testing device with setting state converting function and control method thereof Download PDFInfo
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Abstract
The invention relates to a testing device with a setting state converting function and a control method thereof. The testing device is provided with a working component, a control component connected with the working component, a state memorizer connected with the control component, and a state converting key connected with the control component. The state converting key can generate a state storing instruction or a state calling instruction to enable the control component to save the current setting state of the testing device in the state storage or enable the control component to set the executing state of the testing device according to the content saved in the state storage. The device of the invention has the characteristic of saving or recovering the setting state of the device by pushing one key, thus users can quickly and conveniently convert the setting state of the device as required. The testing device of the invention can be various testing devices, such as a digital signal generator, a digital oscilloscope or a comprehensive testing device.
Description
Technical field
The present invention relates to field tests, particularly relate to the electric variable field tests, more especially related to the digital oscilloscope field.
Background technology
Along with the continuous development of digital technology, the function of various digital test equipment and index are also constantly increasing and are improving.For instance, the digital oscilloscope bandwidth of some brand has arrived more than the 10G now, and sampling rate surpasses 50G, and storage depth has surpassed 1G, and vital impetus has been played in the progress that develops into other science and technology of these technology.Be accompanied by the raising of various aspects of performance, the function of modern digital oscilloscope not only can be finished functions such as signal measurement, data storage, waveform recording also from strength to strength, has also increased network communications capability, has increased Ethernet interface and USB interface.For other testing apparatuss, function and index as digital signal analyzer, digital multimeter, digital multimeter, digital signal generator, function generator, pulse signal generator etc. also all are greatly improved, function is more and more stronger, and index is more and more higher.
The enhancing of functional type and increase the problem of having brought instrumental function tired out.Because, the operating surface of instrument is limited, in the face of various function selecting, some relative important function can only be placed on the comparatively convenient positions of panels that uses, and can only be placed in the menu that needs multistage operations some unessential relatively functions that are in daily use, need just can finish the setting of these functions by after being provided with of multilevel menu.Such as, open and close the digital filtering function of certain passage, just must at first open the respective channel menu, enter the digital filtering submenu then, click is opened or X button could be realized, and will open and close passage " viscous " function, just needs above operation steps of four steps.Various operation steps is for the user of instrument, is very inconvenient, and is particularly under the occasion of the state that is provided with of the continuous switching device of needs, all the more so.Such as, need frequent paired observation under different sample frequency, oscillographic output waveform changes, and maybe needs to understand when signal generator is exported multiple different signal the response condition of equipment under test.
Needs for the situation that is provided with that satisfies the continuous conversion testing equipment of user's needs, some producer is that equipment increases some quick buttons, use always for one of each button sensing equipment and state is set or is called common function, when the user needs, one presses this quick button, just can change the situation that is provided with of equipment, such as, at oscillograph, multimeter, increase printing speed on the signal analyzer, quick storage, data are switched the Show Button fast, on oscillograph, increase fast and measure, direct waveform recording button is at signal generator or also comprise the quick output button that increases some reference signals on the function generator etc.Because quick key mode can just can realize that function corresponding opens or closes by one-touch, convenient for users, but, because the function of these shortcuts is switched only can point to a specific function or be called instrument and meter state is set, limited panel space, can not be for the user provide a lot of keyboard shortcuts, and to different user, to different application scenarios, user's request for utilization is diverse.For a concrete user, often some shortcut may be useless at all, but and the functions of shortcut key that really needs does not have.Thereby the application scenario of this keyboard shortcut is very limited.
Needs for the situation that is provided with that satisfies the continuous conversion testing equipment of user, many producers are provided with the state preservation and access function for own equipment has increased an equipment, DS1OOOB series oscillograph with RIGOL company is an example, just increased the function of the Set For Current state of a recording unit, the user can be by the configuration of menu, whole states that are provided with of recording oscillometer, as oscillographic digital filtering function and parameter etc., when the user needs, the user can select storage or call the status data of being stored that is provided with by menu, and makes oscillograph recover to be set to the required state that is provided with.In addition, similar state recording and calling function are also all provided in many function generators, signal generator and data acquisition system (DAS), the test macro.
The state preservation is set and accesses function although equipment of the prior art has had equipment,, during owing to this function of use, still need under guiding, just can finish multipole menu option through a plurality of steps, and operating still, ten minutes bothers.
The objective of the invention is to: a kind of prior art that is different from is provided, has a testing apparatus that the state exchange function is set.
Another object of the present invention is: a kind ofly have the testing apparatus that the state exchange function is set a kind of control method is provided for of the present invention.
Summary of the invention
Of the present invention a kind ofly have the testing apparatus that the state exchange function is set and have a service part, a control assembly that is connected with described service part, a keyboard unit that is connected with described control assembly, a status register that is connected with described control assembly, has a state converting key that is connected with described control assembly in the keyboard unit, described state converting key can produce state storage instruction or state call instruction, and described control assembly is responsive to described state storage instruction, in status register, preserve the state that is provided with of current testing apparatus; Described control assembly is to described state call instruction sensitivity, according to the content of preserving in the described status register, to the executing state setting of described testing apparatus.
Testing apparatus of the present invention can be a signal pickup assembly, as digital oscillograph, fluorescence oscillograph, digital multimeter, numerous table, signal analyzer and the signal collecting device used of numeral.Testing apparatus of the present invention also can be a signal generation apparatus, as the precision digital power supply, reference signal source, digital signal generator, function generator, various waveform generators (as sinusoidal signal generator), pulse signal generator etc., testing apparatus of the present invention also can be an integral test system, as has a signal generator of waveform Presentation Function, the test macro of forming jointly by oscillograph and signal generator power-supply system etc., testing apparatus of the present invention also can be that those are by computer-controlled testing apparatus, (form as virtual oscilloscope by metering circuit and computer system, under the control of computing machine, finish data acquisition and measurement, by the screen display test result of computing machine, or also comprise waveform and Wave data etc.) etc.Testing apparatus of the present invention also can be testing apparatus or the test macro that those card insert type instruments constitute, as the testing apparatus of utilizing VXI, pci bus structure to constitute.
Control assembly of the present invention can be that chip microprocessor or FPGA gate array circuit constitute, and also can be to be made of personal desktop computer, mobile computer, single card microcomputer or card insert type computing machine.
A kind ofly have in the testing apparatus that the state exchange function is set of the present invention, described state converting key both can produce the state storage instruction, also can produce the state call instruction,, provided two interrupt instructions with a button, with user-friendly that is.
A kind ofly have in the testing apparatus that the state exchange function is set of the present invention, it is state storage instruction or state call instruction that described control assembly can be distinguished this signal according to the time length of described state converting key output signal.Described testing apparatus can have a time threshold, and described control assembly can be for the interrupt instruction of the overtime threshold value of state converting key output, executing state storing step; Described control assembly can be for the interrupt instruction that is shorter than time threshold of state converting key output, executing state invocation step.
In order to realize above-mentioned function, after receiving the interrupt instruction of being sent by described keyboard unit, described control assembly can be carried out following controlled step:
At first, the key class determining step is pressed in execution;
Then, when being described state converting key, judge that the interrupt instruction that button sends is state storage instruction or state call instruction by key class;
At last, the interrupt instruction of sending when button is the state storage instruction, carries out corresponding state storage step, and the interrupt instruction of sending when button is the state call instruction, carries out corresponding state invocation step.
For above-mentioned controlled step, can also before press the key class determining step, execution increase by one and interrupt the timing step time span of statistics button interrupt instruction;
After the key class determining step is pressed in execution, when being described state converting key by key class, whether the time span of judging the button interrupt instruction exceeds time threshold, and whether exceed time threshold according to the time span of button interrupt instruction, judge that the interrupt instruction that state converting key is sent is state storage instruction or state call instruction;
For above-mentioned controlled step, the interrupt instruction of overtime threshold value can be judged as the state storage instruction, the executing state storing step; The interrupt instruction that is shorter than time threshold is judged as the state call instruction, the executing state invocation step.
State converting key of the present invention can be mounted in the physical button on the panel, also can be the virtual key that is presented on the display screen of testing apparatus.
Of the present invention a kind ofly have the testing apparatus that the state exchange function is set and have state exchange characteristics quick and easy to use, user and both can the state that be provided with of current testing apparatus be preserved with the mode that a key is preserved, and the state that is provided with that can also will preserve with the mode that a key recovers, user oneself setting take out.
Description of drawings:
Accompanying drawing 1 is depicted as the structural representation of the oscillograph 1 that most preferred embodiment of the present invention exemplifies.
Accompanying drawing 2 is depicted as the synoptic diagram of the keyboard interrupt message processing program 100 of the oscillograph 1 that most preferred embodiment of the present invention exemplifies.
Accompanying drawing 3 is depicted as the synoptic diagram of the state storage program 105 of the selected oscillograph of most preferred embodiment of the present invention 1.
Accompanying drawing 4 is depicted as the synoptic diagram of the selected oscillograph of most preferred embodiment of the present invention 1 executing state calling program 106.
Embodiment:
In order to further specify a kind of testing apparatus that the state exchange function is set that has of the present invention, enumerate the selected most preferred embodiment of the present invention below.
In the selected most preferred embodiment of the present invention, of the present invention a kind of to have the testing apparatus that the state exchange function is set be to be made of digital oscilloscope 1, with reference to accompanying drawing 1.
In the selected most preferred embodiment of the present invention, control assembly of the present invention is a control module 2, control module 2 by a CPU constitute, service part of the present invention is made up of the data acquisition unit 3 that is connected with control module 2, keyboard unit 4, display unit 5, communication unit 6, general information storage unit 8 and status information storage unit 7.
As one for example, described control module 2, also can be to constitute, also can be to constitute by digital signal processing unit (DSP) by chip microprocessor, also can be to constitute by the FPGA gate array circuit, also can be to constitute by personal desktop computer, mobile computer, single card microcomputer or card insert type computing machine, some the time, also can be by processor, mix the CPU (central processing unit) of forming as DSP and FPGA.
Give an example as another, for waveform demonstration, data acquisition, data statistic analysis, data storage that promotes oscillograph 1 or the speed that also comprises data communication, control module 2 also can be made up of a plurality of controllers, such as, form by a plurality of chip microprocessors or by the control assembly that the gate array FPGA device constitutes, so that whole operations or part operation that parallel processing is above-mentioned, thereby the information processing rate of lifting oscillograph 1.
In most preferred embodiment of the present invention, keyboard unit 4 is physical keyboards, it is keyboard in kind, it is connected with control module 2, the user can be provided with digital oscilloscope 1 by the keyboard unit on the panel that is arranged on oscillograph 14, such as the setting of finishing oscillographic duty, port number, sampling rate, triggering level, displaying contents, display mode, communication mode are provided with etc.
Give an example as another, the keyboard of oscillograph 1 also is to adopt dummy keyboard, i.e. keyboard interface of presenting to the user by computer screen or oscillograph screen, the user is by mouse, and the virtual key on these dummy keyboards is controlled, presses or triggered to computer keyboard or touch screen even other remote control equipments.
In the selected most preferred embodiment of the present invention, general information storage unit 8 can be used for storing Wave data, the analysis data from control module 2, the control program of control module 2 and the status information of each parts and function etc. from data acquisition unit 3.
In this most preferred embodiment, storage unit 8 control modules 2 are connected, and can be all or part of being made of ferroelectric memory, and ferroelectric storage (NvRam) mode can guarantee status information to be set not to lose under off-position.
In this most preferred embodiment, status register of the present invention is to be made of storage unit 7, and storage unit 7 is connected with control module 2, also is to be made of ferroelectric memory, status information is set does not lose under off-position guaranteeing.
Along with continuous advancement in technology and development, also can adopt the storer of other type that comprises described function to constitute storage unit 7 or 8.
In this most preferred embodiment, described display unit 5 is connected with control module 2, can be used for the waveform that video data collecting unit 3 measures, the analysis data of control module 2 outputs, the contents such as the state that is provided with of oscillograph 1.
In this most preferred embodiment, communication unit 6 can be used to set up communicating by letter of oscillograph 1 and external unit, communication unit 6 can include network interface, by this network interface, oscillograph 1 can directly connect LAN (Local Area Network) or wide area network, so that external unit carries out Long-distance Control or realization data transmission each other to oscillograph 1, communication unit 6 can also have the USB mouth, 232 serial ports and GPIB instrument specific interface etc., by these interfaces, oscillograph 1 can be realized interconnected with other equipment or communicate by letter, such as the communication that realizes between two testing apparatuss, data sharing, again such as by these interfaces, computing machine can be combined many testing apparatuss easily and form a large-scale test macro, such as with signal source, voltage source, multimeter, oscillograph is combined, and forms an integrated test system.
In this most preferred embodiment, the main function of the data acquisition unit 3 of oscillograph 1 is to gather the waveform signal of equipment under test or parts, its structure can be because of oscillographic function and performance different and different, understand because of differences such as oscillographic number of channels, frequency range, measuring accuracy, sampling rates such as data acquisition unit 3, and have different structures.Again such as, when oscillograph 1 is fluorescence oscillograph, portable oscilloscope, structure also can be different, such as, when the test function that on oscillograph, increases more ground analytic function, other parameters, during as direct current measurement ability and signal fan-out capability, as when having increased function generator, its structure more can be different, because of these all are technology contents well-known to those having ordinary skill in the art, so, no longer its details is given unnecessary details.
In most preferred embodiment of the present invention, has a state converting key, this state converting key is the same with other buttons and knob on the oscillograph 1, it is a common key-press that is positioned on the guidance panel of oscillograph 1, constituted keyboard unit 4 with other buttons, the mode of operation of this state converting key also can be selected for use and other function button, knob, mode that button is identical.On physical arrangement, this state converting key is the keyboard array that is arranged on the guidance panel.Cause, keyboard unit 4 interconnects with control module 2, and during button in pressing keyboard unit 4, keyboard unit 4 can produce keyboard interrupt information or be called keyboard instruction information and be input to control module 2.
When oscillograph 1 work, the keyboard interrupt information sensing of 2 pairs of keyboard units of control module, 4 outputs is carried out keyboard interrupting information handling procedure 100, referring to accompanying drawing 2.
In the most preferred embodiment that the present invention selects for use, control module 2 is after the keyboard interrupt information that receives from keyboard unit 4, carry out keyboard interrupting information handling procedure 100, at first carry out and interrupt timing step 101, the duration of statistics keyboard interrupting information, then, enter by key class determining step 102, judge that according to key assignments keyboard interrupt signal results from common key-press or described state converting key, when this keyboard interrupt signal results from common key-press, control module 2 is carried out common key assignments treatment step 103, when this look-at-me results from state converting key, control module 2 enters timing query steps 104, to judge time length from the look-at-me of described state converting key, when duration of this look-at-me during greater than a specific threshold time value, control module 2 stored programme 105 that gets the hang of, in storage unit 7, preserve the state that is provided with of oscillograph 1, when the duration of this look-at-me is shorter than described specific threshold time value, control module 2 executing state calling programs 106, the state that is provided with reference to preserving in the storage unit 7 carries out set handling to oscillograph 1.
In the most preferred embodiment that the present invention selects for use, described threshold time value is elected 3 seconds as, promptly, when being longer than for 3 seconds from the time span of the keyboard interrupt signal of described state converting key, control module 2 judges that these signals are the state storage instruction, and executing state stored programme 105 is when the time span from the keyboard interrupt signal of state converting key was shorter than for 3 seconds, control module 2 judges that this signal is the state call instruction, executing state calling program 106.
In most preferred embodiment of the present invention, when continuous several times is pressed described state converting key for a long time, and each button time when surpassing for 3 seconds, control module 2 is executing state stored programme 105 repeatedly.When the continuous several times short time was pressed described state converting key, control module 2 is executing state calling program 106 repeatedly.
The selected threshold time value of present embodiment can be adjusted as required, such as being adjusted into 2 seconds or 4 seconds.
As another embodiment, as required, when judging from the time span of the keyboard interrupt signal of described state converting key, also the keyboard interrupt signal that is shorter than the threshold time value can be judged as state storage instruction, and the keyboard interrupt signal that will be longer than the threshold time value is judged as the state call instruction.
Illustrate as another, in some application scenarios, the interruption timing step 101 described in the present embodiment also can change into and being arranged on before the timing query steps 104, only carries out the time statistics at the keyboard interrupt signal from state converting key.
Explanation as an example, utilize a state converting key to send two different interrupt instructions, be that state storage is instructed and the method for state call instruction has multiple:
Such as, by the difference of pressing number of times of button, distinguish state storage instruction and state call instruction, press button twice continuously, corresponding to sending the state storage instruction, only press once, corresponding to the state call instruction.
Again such as, utilize alternated process to differentiate state storage instruction or state call instruction, such as once being the state storage instruction, be the state call instruction next time, circulation constantly.When using this over-over mode, can assist on button and use light, when bright, the expression user presses button once more such as light, and the signal that sends is the state call instruction.For dummy keyboard, also can represent that it can be state storage instruction or state call instruction that current button sends instruction with the color or the literal on the button of button.
In the most preferred embodiment that the present invention selects for use, after control module 2 gets the hang of stored programme 105, carry out following three steps successively, first step is to remove step 200, referring to Fig. 3, in this step, under the control of control module 2, the status information of preserving in the storage unit 7 is removed, then, execution is provided with status information read step 201, and in this step, control module 2 will access about oscillograph 1 status information from the storage unit 8 of oscillograph 1, the execution state information storing step 202 then, and that will obtain from storage unit 8 is kept in the storage unit 7 about oscillograph 1 state.
In the most preferred embodiment that the present invention selects for use, the state configuration information of described oscillograph 1 comprises the information of three following aspects:
1. the status information of general function: as open sound, open the passage digital filtering, order changes current instrument and uses language, and instrument interface is provided with etc.This class function information is normally preserved with functional form.When execution was provided with status information read step 201, control module 2 was to take out by the function call state of the correspondence of preservation in the storage unit 8, then, in status information storing step 202, these function calls status informations is kept in the storage unit 7 again.
2. function adjustment information: such as waveform brightness adjustment information, grid monochrome information, trigger sensitivity information, channel offset amount, base information etc. during system.This class status information is a numerical value often, when execution is provided with status information read step 201, control module 2 is that the corresponding numerical value that will preserve in the storage unit 8 takes out, then, in status information storing step 202, again these numerical value are kept in the storage unit of the correspondence in the storage unit 7.
3. peripheral functionality status information: this class function information is that a certain hardware in outside is carried out read-write operation, such as to outside USB flash disk storage file, printer operation printing etc.This class function information is also preserved with functional form usually.But when calling this class function, the function that is accessed can judge voluntarily whether current hardware device is supported, and then operates.Equally, when execution was provided with status information read step 201, control module 2 was to take out by the state that calls of the respective function of preservation in the storage unit 8, then, in status information storing step 202, again these function calls status informations are kept in the storage unit 7.
In the most preferred embodiment that the present invention selects for use, after control module 2 gets the hang of calling program 106, execution state information type determining step 301, referring to Fig. 4, at first control module 2 storage unit access 7 carry out type to its information and judge, to belonging to the status information of general function, control module 2 is carried out function call step 302, calls corresponding function from storage unit 7, so that the general function state of oscillograph 1 is set.Adjust status information for function, control module 2 is carried out numerical value invocation step 303, takes out numerical information from storage unit 7, so that the parts that need in the oscillograph 1 to adjust are provided with.For the peripheral functionality status information, control module 2 is carried out function call step 304, so that the peripheral hardware functional status is provided with.
State calling program 106 is before the state of actuating equipment is provided with, also carry out the determining step 305 of makeing mistakes, whether feasible in order to judge to the conversion of oscillograph 1 executing state, when not finding mistake, executing state is provided with step 306, directly the state of oscillograph 1 is reset.When the execution error determining step is found mistake, such as status information for general function, when being in, oscillograph 1 replaces under the trigger mode, new state setting will access delaying sweep, the determining step 305 of makeing mistakes will be judged and makes mistakes, then, error process step 307, for different mistakes different processing modes can be arranged, such as for above-mentioned mistake, fault processing step 307 at first on screen prompting user current operation unavailable, then, with all recovering states of having changed to calling state before.Again such as for the function adjustment information, when adjust parameter value exceed current when showing the ultimate value that function has, fault processing step 307 can be at first on screen the prompting user adjust and arrived the limit, carry out parameter adjustment with current ultimate value then.Such as attempting to adjust triggering level under the Roll pattern, clearly this adjusted value is disabled again, and this moment, fault processing step 307 can point out the current operation of user unavailable on screen, and did not carry out any operation.Again such as for the peripheral functionality status information, peripheral hardware disconnect or situation about going wrong with the peripheral hardware communication under, the state setting that printer is called in execution will be used misinterpretation step 305 and be reported an error, and error process program 307, error handler 307 can be on screen the prompting user search peripheral hardware and connect and go wrong, and system state is returned to state before the function call.
In this most preferred embodiment, under the situation of not makeing mistakes, executing state calls key assignments treatment step 106 and to call a function the same convenient, for instance, the user can utilize state converting key, and a key is preserved the digital filtering function, import then after the various signals, utilize state converting key one key that this digital filtering function is accessed again, the user just can observe from the screen before and after passage numeral filter function opens rapidly, intuitively like this, the variation of input signal; Such as, the user deposits passage " viscous " function in state converting key, just can be by short by this key once, and what observe directly when adjusting channel offset amount viscous function opens and closes influence to it.
The described a kind of oscillograph 1 of present embodiment has state exchange characteristics quick and easy to use, user both can be preserved the state that is provided with of current testing apparatus with the mode of " key preservation ", and the state that is provided with that can also will preserve with the mode of " key recovery ", user oneself is provided with takes out.When being applied to different applied environments, the described oscillograph 1 of present embodiment also can be designed to only have " key preservation " or " key recovery " function.As only having " key recovery " function, and adopt method same as the prior art to realize the status saving function that is provided with of oscillograph 1, such as utilizing the drop-down menu mode, the state that is provided with of access arrangement is step by step preserved menu, or length by length the state of equipment is selected and preserved.
In the present embodiment, oscillograph 1 has only adopted a state converting key, in actual applications, also can be for a plurality of described control buttons of oscillograph 1 design, so that preserve a plurality of states that are provided with, make the user calling when state is set, have more and select.As: can on indicator screen, design a plurality of virtual state converting key, be used to preserve and call the different states that is provided with, preserving and accessing when state is set, can preserve and access the different states that is provided with by the different virtual state conversion keys of selecting.
As another embodiment of the present invention, described testing apparatus can be the signal collecting device of types such as fluorescence oscillograph, storage oscilloscope, digital multimeter, digital multimeter, signal analyzer; Testing apparatus of the present invention also can be the signal generation apparatus of classes such as precision digital power supply, reference signal source, digital signal generator, function generator, various waveform generator (as sinusoidal signal generator), pulse signal generator; Testing apparatus of the present invention also can be an integral test system, as the test macro that has the signal generator of waveform Presentation Function, forms jointly by oscillograph and signal generator power-supply system etc., testing apparatus of the present invention also can be that those are by computer-controlled testing apparatus, (form as virtual oscilloscope by testing hardware and computer system, under the control of computing machine, finish data acquisition and measurement, by the screen display measurement result of computing machine, or also comprise waveform and Wave data etc.) etc.Testing apparatus of the present invention also can be testing apparatus or the test macro that those card insert type instruments constitute, as the testing apparatus of utilizing VXI, pci bus structure to constitute.
Claims (10)
1. one kind has the testing apparatus that the state exchange function is set, and has a service part, a control assembly that is connected with described service part, a keyboard unit that is connected with described control assembly, it is characterized in that:
Also have a status register that is connected with described control assembly, have a state converting key in the keyboard unit, described state converting key produces state storage instruction or state call instruction; Described control assembly is to the described state storage instruction state that is provided with responsive, the current testing apparatus of preservation in status register; Described control assembly is to described state call instruction sensitivity, according to the content of preserving in the described status register, to the executing state setting of described testing apparatus.
2. equipment according to claim 1 is characterized in that: described state converting key both can produce the state storage instruction, also can produce the state call instruction.
3. equipment according to claim 2 is characterized in that:
It is state storage instruction or state call instruction that described control assembly is distinguished this signal according to the time length of the signal of described state converting key output.
4. equipment according to claim 3 is characterized in that:
Have a time threshold, described control assembly is for the interrupt instruction of the overtime threshold value of state converting key output, executing state storing step; Described control assembly is for the interrupt instruction that is shorter than time threshold of state converting key output, executing state invocation step.
5. according to claim 1,2,3 or 4 described equipment, it is characterized in that:
Described state converting key is a physical button.
6. according to claim 1,2,3 or 4 described equipment, it is characterized in that:
Described testing apparatus is a digital oscilloscope.
7. equipment according to claim 5 is characterized in that:
Described testing apparatus is a digital oscilloscope.
8. the control method with testing apparatus that the state exchange function is set is used for the testing apparatus described in claim 1,2,3,4,5,6 or 7, it is characterized in that:
After receiving the interrupt instruction of being sent by described keyboard unit, the control assembly of testing apparatus of the present invention is carried out following steps successively:
At first, the key class determining step is pressed in execution;
Then, when being described state converting key, judge that the interrupt instruction that button sends is state storage instruction or state call instruction by key class;
At last, the interrupt instruction of sending when button is the state storage instruction, carries out corresponding state storage step, and the interrupt instruction of sending when button is the state call instruction, carries out corresponding state invocation step.
9. method according to claim 8 is characterized in that:
Before the key class determining step is pressed in execution, also have one and interrupt the timing step, the time span of statistics button interrupt instruction;
After the key class determining step is pressed in execution, when being described state converting key by key class, whether the time span of judging the button interrupt instruction exceeds a time threshold, and whether exceed described time threshold according to the time span of button interrupt instruction, judge that the interrupt instruction that state converting key is sent is state storage instruction or state call instruction.
10. method according to claim 9 is characterized in that:
For the interrupt instruction that surpasses described time threshold of state converting key output, executing state storing step;
For the interrupt instruction that is shorter than described time threshold of state converting key output, executing state invocation step.
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| CN102841685A (en) * | 2011-06-24 | 2012-12-26 | 北京普源精电科技有限公司 | Measurement device with keyboard |
| CN103176065B (en) * | 2011-12-21 | 2016-08-10 | 北京普源精电科技有限公司 | There is the data acquisition unit of multiple function setting button |
| CN103176008B (en) * | 2011-12-22 | 2017-08-25 | 北京普源精电科技有限公司 | A kind of oscillograph and its implementation with controllable measurement function |
| CN102798745A (en) * | 2012-06-13 | 2012-11-28 | 郑州麦科信电子技术有限公司 | Design method of menu control system of digital oscilloscope |
| CN104374969A (en) * | 2013-08-17 | 2015-02-25 | 苏州普源精电科技有限公司 | Digital oscilloscope allowing numeric parameter input |
| CN103475401B (en) * | 2013-09-18 | 2017-02-01 | 北京北方烽火科技有限公司 | Down-going wave beam forming method and device |
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| CN101131419A (en) * | 2007-09-29 | 2008-02-27 | 上海市计量测试技术研究院 | Frequency span calibration and detection method for digital oscilloscope |
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| EP1452875A1 (en) * | 2003-02-25 | 2004-09-01 | Tektronix Inc. | Oscilloscope that has constraint control for timebase and display parameters |
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| CN101131419A (en) * | 2007-09-29 | 2008-02-27 | 上海市计量测试技术研究院 | Frequency span calibration and detection method for digital oscilloscope |
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Effective date of registration: 20110915 Address after: 102206 Beijing City, Shahe Town, step on the river village, No. 156 Patentee after: Beijing Rigol Technologies, Inc. Address before: 102206 Beijing City, Shahe Town, step on the river village, No. 156 Co-patentee before: Wang Tiejun Patentee before: Wang Yue Co-patentee before: Li Weisen |