CN114035469A - General control system and method for program-controlled attenuator - Google Patents
General control system and method for program-controlled attenuator Download PDFInfo
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- CN114035469A CN114035469A CN202111313194.7A CN202111313194A CN114035469A CN 114035469 A CN114035469 A CN 114035469A CN 202111313194 A CN202111313194 A CN 202111313194A CN 114035469 A CN114035469 A CN 114035469A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Abstract
The invention provides a program-controlled attenuator universal control system and a method, wherein the system comprises: the system comprises a program-controlled attenuation device, an attenuator management module, a program-controlled attenuation device configuration module and an attenuator control module; the attenuator management module is used for generating an attenuator configuration file; the attenuator configuration file comprises configuration information corresponding to program-controlled attenuators of different models, the program-controlled attenuation device comprises a plurality of control interfaces, the control interfaces are connected with the program-controlled attenuators, the program-controlled attenuation device configuration module is used for selecting the control interfaces and the attenuator configuration information for the program-controlled attenuators, and the attenuation control module is used for controlling the attenuators according to the control interfaces and the attenuator configuration data connected with the attenuators.
Description
Technical Field
The invention relates to the technical field of electronic testing, in particular to a general control system and a general control method for realizing a program-controlled attenuator.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
The program-controlled attenuator is attenuator control equipment, a control module of the existing program-controlled attenuator is designed for attenuators of specific models, the number of the control attenuators is fixed, and the frequency range, the attenuation range, the stepping and the attenuation control code information of the attenuators are fixed in software. It has the following disadvantages:
(1) the programmable attenuator is upgraded and updated, the number of the programmable attenuators is increased, and the control software cannot meet the requirement;
(2) when the attenuators of other models are replaced, the control software needs to be modified.
In view of the above characteristics, in the prior art, the control module of the programmable attenuator is designed for the number of fixed attenuators and the fixed type attenuators, the configuration information of the attenuators is solidified in the control module, and as long as the number and the type of the controlled attenuators change, development software codes need to be rewritten to adapt to the change of the number and the type of the controlled attenuators, so that a great deal of time and energy are wasted in the repetitive work, if the number of the attenuators is increased or the attenuators of other types are replaced for control, new control software needs to be developed for the attenuators, and the labor cost and the financial cost are greatly increased in the repetitive work.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a general control system and a general control method of a program-controlled attenuator, which separates the configuration information of the attenuator from the control module of the program-controlled attenuator, the configuration information of the attenuator is stored in a file, and the control module of the program-controlled attenuator realizes the control of the attenuator by selecting and loading the configuration information file of the attenuator for the controlled attenuator, is not limited by the type and the number of the attenuators, realizes the universality of the control module of the program-controlled attenuator and meets the requirements of the control of the attenuators with different types.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the present invention provides a universal control system for a programmable attenuator.
A universal control system for implementing a programmable attenuator, comprising: the system comprises a program-controlled attenuation device, an attenuator management module, a program-controlled attenuation device configuration module and an attenuator control module;
the attenuator management module is used for generating an attenuator configuration file; the attenuator configuration file comprises configuration information corresponding to program-controlled attenuators of different models, the program-controlled attenuation device comprises a plurality of control interfaces, the control interfaces are connected with the program-controlled attenuators, the program-controlled attenuation device configuration module is used for selecting the control interfaces and the attenuator configuration information for the program-controlled attenuators, and the attenuation control module is used for controlling the attenuators according to the control interfaces and the attenuator configuration data connected with the attenuators.
As some possible implementation manners, the control interface includes a plurality of internal attenuator control interfaces and a plurality of external attenuator control interfaces.
As some possible implementations, each type of the programmable attenuators corresponds to a configuration file, and the configuration information of the configuration file includes a frequency range, an attenuation range, and a step of each type of the programmable attenuator.
As some possible implementation manners, the configuration information further includes a correspondence between the attenuation amount and the control code, and the attenuator control module is configured to decompose the attenuation amount to obtain the corresponding control code, and control the connected attenuators according to the control code. As some possible implementation manners, the device further includes a fader management module, where the fader management module is configured to manage fader configuration files, specifically, to create, save, and open fader configuration files, and edit data of the fader configuration files.
The invention provides a general control method of a programmable attenuator.
A general control method for a programmable attenuator comprises the following steps:
acquiring a configuration file of the program-controlled attenuator;
selecting a control interface connected with the attenuator and a corresponding attenuator configuration file;
and controlling the attenuator according to the control interface connected with the attenuator and the configuration file of the attenuator.
As some possible implementations, the information of the profile of the programmed attenuator includes: the frequency range, attenuation range, step and attenuation of the programmable attenuator; and each attenuation corresponds to one control code, the attenuation value is decomposed into n values, the corresponding control codes are respectively obtained according to the corresponding lists of the attenuation value and the control code, and the n attenuators are respectively controlled according to the control interfaces and the attenuator control codes connected with the attenuators.
As some possible implementations, the generating process of the attenuator control code includes the following steps:
arranging the configuration data of the n attenuators in a descending order according to the maximum attenuation of the attenuators;
according to the magnitude of the attenuation, elements in the attenuation and control code corresponding lists of the n attenuators are respectively subjected to descending order arrangement to obtain lists after the descending order arrangement;
sequentially selecting one of the lists after descending order;
searching the currently selected list, and quitting the list search when the attenuation value is larger than or equal to the attenuation amount in the list; the attenuation at this time is the attenuation which needs to be controlled by the current attenuator, and the control code corresponding to the attenuation is obtained from the list; the remaining attenuation is calculated until all lists are traversed.
A third aspect of the present invention provides a computer device, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the program to implement the steps of any one of the methods for controlling a programmable attenuator.
A fourth aspect of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of any one of the methods for universal control of a programmable attenuator described above.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention separates the configuration information of the attenuator from the control module of the program-controlled attenuator, the configuration information of the attenuator is stored in a file, and the control software of the program-controlled attenuator realizes the control of the attenuator by selecting and loading the configuration information file of the attenuator for the controlled attenuator without being limited by the type and the number of the attenuators, thereby realizing the universality of the control software of the program-controlled attenuator and meeting the control of the attenuators with different types.
2. Aiming at the defects that the software code needs to be rewritten and developed as long as the number and the model of the controlled attenuators are changed, the invention realizes that the control software of the program control attenuator can control the attenuators with different numbers and different models, solves the special problem of the control software of the program control attenuator, enhances the expansibility and the universality of the software of the program control attenuator, has good expandability and strong universality in practical application, avoids the repeated development of the control software, and saves the labor cost.
Drawings
FIG. 1 is a schematic diagram of a prior art programmable attenuator according to embodiment 1 of the present invention;
FIG. 2 is a schematic flow chart of the control attenuator of the conventional programmable attenuator in embodiment 1 of the present invention;
FIG. 3 is a diagram illustrating a general control system of the programmable attenuator according to embodiment 1 of the present invention;
FIG. 4 is a block diagram of the improved programmable attenuator of embodiment 2 of the present invention;
fig. 5 is a flow chart of the attenuator control code according to embodiment 2 of the present invention.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example 1:
as shown in fig. 1, a conventional programmable attenuator is connected to an attenuator, a control module of the programmable attenuator needs to control the attenuator according to configuration information (e.g., frequency range, attenuation range, step, attenuation amount and control code correspondence) of the attenuator, control the attenuator connected to an internal attenuator control interface or an external attenuator control interface through internal control software, the control software effectively determines an input frequency value or attenuation amount, and then sends the attenuation control code to the attenuator to implement attenuation control. The existing program-controlled attenuation device control software is designed for attenuators of specific models, the number of the attenuators is fixed, and the frequency range, the attenuation range, the stepping and the attenuation control code information of the attenuators are fixed in the software. Because the models of the attenuators are different, the frequency range, the attenuation range, the stepping and the attenuation control codes of the attenuators are different, and if the attenuators of other models are replaced or the number of the attenuators is increased, the existing program control attenuation device software cannot control the attenuators.
The procedure of controlling the attenuator by the programmable attenuator control module is shown in fig. 2, and includes: the control module judges the input frequency value or attenuation quantity effectively according to the attenuator configuration information solidified in the control module, if the input frequency value or attenuation quantity is effective, the control module searches an attenuation control code in the attenuator configuration information and controls the attenuator by sending the control code.
Therefore, the control module of the program-controlled attenuator is designed for the number of the fixed attenuators and the fixed type attenuators, the configuration information of the attenuators is solidified in the control software, if the number of the attenuators is increased or the attenuators of other types are replaced for control, new control software needs to be developed for the attenuators, and the repeated work greatly increases the labor cost and the financial cost.
The control method is improved based on the traditional technology, the configuration information of the attenuator is separated from the control module of the program-controlled attenuator, the configuration information of the attenuator is stored in a file, the control of the attenuator is realized by the control module of the program-controlled attenuator through the configuration information file of the attenuator selected and loaded for the controlled attenuator, the limitation of the type and the number of the attenuators is avoided, the universality of control software of the program-controlled attenuator is realized, and the control of attenuators of different types is met.
Fig. 3 is a structural block diagram of a control device of the present application, and as shown in fig. 3, embodiment 1 of the present invention provides a general control system for implementing a programmable attenuator, including:
the system comprises a program-controlled attenuation device 1, an attenuator configuration file 2, an attenuator management module 3, a program-controlled attenuation device configuration module 4 and an attenuator control module 5, wherein the attenuator management module 3 is used for generating the attenuator configuration file 2; the attenuator configuration file 2 comprises configuration information corresponding to program-controlled attenuators of different models, the program-controlled attenuation module 1 comprises a plurality of control interfaces, the control interfaces are connected with the program-controlled attenuators, the program-controlled attenuation device configuration module 4 is used for selecting the control interfaces and the attenuator configuration information for the program-controlled attenuators, and the attenuation control module 5 is used for controlling the attenuators according to the control interfaces and the attenuator configuration data connected with the attenuators.
The attenuation control module 5 is in communication with the FPGA, and the attenuation control module 5 is configured to send an address corresponding to a control interface connected to the attenuator and a control code corresponding to an attenuation amount to the FPGA, and control the attenuator after the FPGA analyzes the control code.
The attenuator control module is used for decomposing the attenuation value and respectively controlling the connected attenuators.
The program-controlled attenuator 1 comprises a plurality of control interfaces, the control interfaces are connected with the program-controlled attenuator, and the control interfaces comprise a plurality of internal attenuator control interfaces and a plurality of external attenuator control interfaces.
Specifically, the configuration file includes configuration information of program-controlled attenuators of different models; the method specifically comprises the frequency range, the attenuation range and the stepping of the attenuator, wherein each type of attenuator corresponds to one configuration file, and each attenuation corresponds to one control code.
The configuration information further includes a one-to-one correspondence relationship between the attenuation amount and the control code, and the configuration file includes information as shown in table 1. If the attenuation amount is controlled to be 38dB, if the type A and the type B of the two attenuators are controlled, the control code sent to the type A is 0X56 corresponding to 30dB, and 0XA9 corresponding to 8dB is sent to the type B.
TABLE 1
The attenuator management module 3 is used for managing attenuator configuration files, specifically, creating, saving and opening the attenuator configuration files, and editing data of the attenuator configuration files.
Example 2:
as shown in fig. 4, embodiment 2 of the present invention provides a general control method for implementing a programmable attenuator, including the following steps:
step 1: creating an attenuator configuration file for the programmable attenuator;
step 2: selecting a control interface connected with the attenuator and a corresponding attenuator configuration file;
and step 3: loading the information contained in the attenuator configuration file into a computer memory of the attenuator;
and 4, step 4: updating software header information including frequency range, attenuation range and step according to attenuator configuration information;
and 5: and saving the control interface connected with the attenuator and the name of the configuration file of the attenuator.
As a specific embodiment, the title update reason is to display the controlled fader information, so that the user can control the controlled fader within the information range. If the A and B type attenuators are controlled, the header information is: DC-26.5 GHz 1dB step, 121dB maximum attenuation. Fig. 5 is a flow chart of the attenuator control code provided by the present invention, as shown in fig. 5:
aiming at a plurality of program-controlled attenuators, each type attenuator corresponds to a configuration file, and the configuration information of the program-controlled attenuators comprises: the frequency range, attenuation range, step and attenuation of the programmable attenuator; each attenuation amount corresponds to a control code, the attenuation amount (marked as AttnVal) is decomposed into n values, then corresponding control codes (marked as ActrlCode _1, ActrlCode _2, … and ActrlCode _ n) are respectively obtained according to a corresponding list (marked as AList _1, AList2, … and AList _ n) of the attenuation amount and the control codes, and finally, the n attenuators are respectively controlled according to control interfaces and attenuator control codes connected with the attenuators.
The generation process of the attenuator control code comprises the following steps:
step A: arranging the configuration data of the n attenuators A _1, A _2, … and A _ n in a descending order according to the maximum attenuation of the attenuators;
and B: according to the magnitude of the attenuation, elements in the attenuation and control code corresponding lists of the n attenuators are respectively subjected to descending arrangement to obtain lists AList _1, AList2, … and AList _ n after descending arrangement;
and C: sequentially selecting one list from list Alist _1, Alist2, … and Alist _ n after descending order;
step D: searching a currently selected list Alist _ m (1< ═ m < ═ n), and exiting the list Alist _ m search when the attenuation value AttnVal is greater than or equal to the attenuation amount AttnVal _ X in the list Alist _ m (1< ═ m < ═ n);
step E, the AttnVal _ X is the attenuation quantity required to be controlled by the current attenuator A _ m (1< ═ m < ═ n), and a control code ACLCode _ m corresponding to the attenuation quantity is obtained from the list Alist _ m;
step F, calculating the residual attenuation amount AttnVal-AttnVal _ X;
repeating steps C through F until all lists have been selected.
Example 3
The embodiment of the present specification provides a computer device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the steps of the general control method for a programmable attenuator in the first embodiment.
Example 4
The implementation manner of the present specification provides a computer readable storage medium, on which a computer program is stored, wherein the program is implemented to implement the steps of the general control method for a programmable attenuator in the first embodiment when executed by a processor.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A programmable attenuator universal control system, comprising: the system comprises a program-controlled attenuation device, an attenuator management module, a program-controlled attenuation device configuration module and an attenuator control module;
the attenuator management module is used for generating an attenuator configuration file; the attenuator configuration file comprises configuration information corresponding to program-controlled attenuators of different models, the program-controlled attenuation device comprises a plurality of control interfaces, the control interfaces are connected with the program-controlled attenuators, the program-controlled attenuation device configuration module is used for selecting the control interfaces and the attenuator configuration information for the program-controlled attenuators, and the attenuation control module is used for controlling the attenuators according to the control interfaces and the attenuator configuration data connected with the attenuators.
2. The programmable attenuator universal control system of claim 1, wherein the control interface comprises a plurality of internal attenuator control interfaces and a plurality of external attenuator control interfaces.
3. The system as claimed in claim 1, wherein each type of the programmable attenuator corresponds to a configuration file, and the configuration information of the configuration file includes the frequency range, the attenuation range, and the step of the programmable attenuator.
4. The system as claimed in claim 1, wherein the configuration information further includes a corresponding relationship between attenuation amount and control code, and the attenuator control module is configured to decompose the attenuation amount to obtain the corresponding control code, and control the connected attenuators according to the control code.
5. The system as claimed in claim 1, wherein the apparatus further comprises a fader management module for managing fader profiles, including creating, saving and opening fader profiles, and editing fader profile data.
6. A general control method for a programmable attenuator is characterized by comprising the following steps:
creating a program-controlled attenuator configuration file;
selecting a control interface connected with the attenuator and a corresponding attenuator configuration file;
and controlling the attenuator according to the address corresponding to the control interface connected with the attenuator and the control code corresponding to the attenuation amount in the attenuator configuration file.
7. The method as claimed in claim 6, wherein the information of the profile of the programmable attenuator comprises: the frequency range, the attenuation range, the step and a plurality of attenuation amounts of the programmable attenuator; each attenuation corresponds to a control code, the attenuation value is decomposed into n values, corresponding control codes are respectively obtained according to a corresponding list of the attenuation value and the control code, and n attenuators are respectively controlled according to a control interface connected with the attenuators and the attenuator control code.
8. The method as claimed in claim 7, wherein the generation of the attenuator control code comprises the following steps:
arranging the configuration data of the n attenuators in a descending order according to the maximum attenuation of the attenuators;
according to the magnitude of the attenuation, elements in the attenuation and control code corresponding lists of the n attenuators are respectively subjected to descending order arrangement to obtain lists after the descending order arrangement;
sequentially selecting one of the lists after descending order;
searching the currently selected list, and quitting the list search when the attenuation value is larger than or equal to the attenuation amount in the list; the attenuation at this time is the attenuation which needs to be controlled by the current attenuator, and the control code corresponding to the attenuation is obtained from the list; the remaining attenuation is calculated until all lists are traversed.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of a method for the universal control of a programmable attenuator according to any one of claims 6-8 are implemented when the program is executed by the processor.
10. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the steps of a method for universal control of a programmable attenuator according to any one of claims 6-8.
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