CN115470167A - Expansion device, method, apparatus and storage medium - Google Patents
Expansion device, method, apparatus and storage medium Download PDFInfo
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- 238000005259 measurement Methods 0.000 claims abstract description 172
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- 238000000691 measurement method Methods 0.000 claims description 13
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R1/02—General constructional details
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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Abstract
The application belongs to the technical field of computers, and particularly relates to an expansion device, method, equipment and storage medium. The expanding device comprises: the serial port communication module is connected with the measuring terminal and establishes communication connection with the measuring terminal; the IO expansion module is used for expanding a measurement channel of the processor; the analog switch module is used for switching the measurement state of the measurement channel; a processor configured to: initializing the numerical value of each module in the expansion device; determining whether the control instruction is a measurement channel switching instruction; controlling the analog switch module to switch the measurement channel measurement state based on the instruction; the problem that a plurality of source measurement units are needed to measure under the condition that a plurality of measurement channels need to be measured can be solved; in the embodiment, the measuring equipment is connected with the expansion device, so that a plurality of measuring channels are expanded in the expansion device, and multi-channel data measurement can be realized only by connecting one measuring equipment with the expansion device, so that a plurality of measuring equipment are not needed, and the measuring cost is reduced.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to an expansion apparatus, an expansion method, an expansion device, and a storage medium.
Background
Currently, measurement devices such as source measurement units can measure voltage, current, etc. parameters of the device.
The conventional source measurement unit measures the device to be measured through the measurement channel of the source measurement unit itself.
However, the conventional source-measurement unit has a limited measurement channel, and in the case where a plurality of measurement channels need to be measured, this causes a problem that a plurality of source-measurement units are required for measurement.
Disclosure of Invention
The application provides an extension device, a method, equipment and a storage medium, which can solve the problem that a plurality of source measurement units are needed for measurement under the condition that a plurality of measurement channels need to be measured due to the fact that the measurement channels of a traditional source measurement unit are limited. The present application provides the following technical solutions.
In a first aspect, an extension apparatus is provided, which is used in a measurement system, where the measurement system includes a measurement terminal, a device to be measured, and a measurement device; the expansion device comprises a serial port communication module, an IO expansion module, an analog switch module and a processor;
the serial port communication module is suitable for being connected with the measuring terminal and establishing communication connection with the measuring terminal;
the IO expansion module is used for expanding a measurement channel of the processor;
the analog switch module is used for switching the measurement state of the measurement channel;
the processor is respectively connected with the serial port communication module, the IO expansion module and the analog switch module; the processor is configured to:
responding to a control instruction of the measuring terminal, and initializing the numerical value of each module in the expansion device;
determining whether the control instruction is an instruction for switching a measurement channel;
and under the condition that the instruction is an instruction for switching the measurement channel, controlling the analog switch module to switch the measurement state of the measurement channel based on the instruction.
Optionally, the method is used in a measurement system, where the measurement system includes a measurement terminal, a device to be measured, and a measurement device; the expansion device comprises a serial port communication module, an IO expansion module, an analog switch module and a processor;
the serial port communication module is suitable for being connected with the measuring terminal and establishing communication connection with the measuring terminal;
the IO expansion module is used for expanding a measurement channel of the processor;
the analog switch module is used for switching the measurement state of the measurement channel;
the processor is respectively connected with the serial port communication module, the IO expansion module and the analog switch module; the processor is configured to:
responding to a control instruction of the measuring terminal, and initializing the numerical value of each module in the expansion device;
determining whether the control instruction is an instruction for switching a measurement channel;
and under the condition that the instruction is an instruction for switching the measurement channel, controlling the analog switch module to switch the measurement state of the measurement channel based on the instruction.
Optionally, the analyzing the instruction for switching the measurement channel to obtain an analysis result includes:
and determining the analysis result based on the character string code of the instruction for switching the measuring channel.
Optionally, the parsing result includes a measurement channel number and a measurement channel expected state.
Optionally, the measurement channel desired state includes a measurement channel open state and a measurement channel closed state.
Optionally, after analyzing the instruction for switching the measurement channel to obtain an analysis result, the method further includes:
and under the condition that the number of the measuring channel indicated by the analysis result is greater than the measuring channel threshold value, outputting a target prompt and executing the step of receiving a control instruction of the next measuring terminal, wherein the target prompt is used for indicating that the channel analysis fails.
Optionally, the expansion apparatus further comprises:
and triggering and executing the step of receiving the control instruction of the next measuring terminal under the condition that the instruction is not the instruction for switching the measuring channel.
In a second aspect, there is provided a measurement method used in the expansion device, the method including: responding to a data processing instruction, and initializing values of all modules in the expansion device;
determining whether the instruction is an instruction for switching a measurement channel;
and under the condition that the instruction is an instruction for switching the measurement channel, controlling the analog switch module to switch the measurement channel based on the instruction.
In a third aspect, an electronic device is provided, the device comprising a processor and a memory; the memory has stored therein a program that is loaded and executed by the processor to implement the measurement method according to the second aspect.
In a fourth aspect, a computer-readable storage medium is provided, in which a program is stored which, when being executed by a processor, is adapted to carry out the measurement method according to the second aspect.
The beneficial effect of this application lies in: because the measurement channels of the traditional measurement equipment such as a source measurement unit are limited, if a plurality of pieces of equipment to be measured need to be measured, one piece of measurement equipment cannot meet the measurement requirement at the moment, a plurality of pieces of measurement equipment are required to be measured at the same time under the common condition, so that the number of the measurement equipment is more, and the measurement cost is higher.
In addition, the appointed measuring channels can be switched and measured according to requirements, so that the measuring flexibility of the extension device is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of an expansion device provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a measurement system provided in an embodiment of the present application;
FIG. 3 is a flow chart of a measurement method provided by an embodiment of the present application;
FIG. 4 is a flow chart of a measurement method provided by another embodiment of the present application;
FIG. 5 is a block diagram of an expansion device provided in one embodiment of the present application;
fig. 6 is a block diagram of an electronic device provided by an embodiment of the application.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In the application, where the contrary is not stated, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, vertical or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the application.
The embodiment provides a schematic structural diagram of an expansion device, as shown in fig. 1. The apparatus at least includes a serial communication module 110, an Input/Output (IO) extension module 120, an analog switch module 130, and a processor 140.
The serial communication module 110 is adapted to connect with the measurement terminal, establish a communication connection with the measurement terminal, and receive a control command sent from the measurement terminal.
In this embodiment, after the serial communication module 110 receives the control instruction sent by the measurement terminal, the control instruction data sent by the measurement terminal is sequentially transmitted by one bit and one bit, and only one pair of transmission lines is needed to realize the bidirectional communication between the serial communication module 110 and the measurement terminal.
And the IO expansion module 120 is connected with the processor 140 and is used for expanding the number of the measurement channels of the processor 140.
Optionally, the number of the measurement channels that the IO expansion module 120 can expand is at least two or more, and the present embodiment does not limit the number of the measurement channels that the IO expansion module 120 can expand.
The analog switch module 130 is connected to the processor 140 and is configured to receive an instruction from the processor 140 to switch a measurement state of the measurement channel.
The processor 140 is connected to the serial port communication module 110, the IO extension module 120 and the analog switch module 130, respectively.
Optionally, the processor 140 may be implemented as a single chip microcomputer, a microcomputer, or the like, and the implementation manner of the processor 140 is not limited in this embodiment.
In this embodiment, the processor 140 is configured to: responding to a control instruction of the measuring terminal, and initializing the numerical value of each module in the expansion device; determining whether the control instruction is an instruction for switching a measurement channel; and under the condition that the instruction is an instruction for switching the measurement channel, controlling the analog switch module to switch the measurement state of the measurement channel based on the instruction.
In order to more clearly understand the process of the expansion device during measurement, the present embodiment provides a schematic structural diagram of a measurement system, as shown in fig. 2, the system includes an expansion device, a measurement terminal, a device under test, and a measurement device.
The measuring terminal is respectively connected with the expansion device and the measuring equipment and sends control instructions to the expansion device and the measuring equipment to realize data measurement of the equipment to be measured.
Optionally, the measurement terminal may be a computer, a mobile phone, a tablet computer, or a server, and the implementation manner of the measurement terminal is not limited in this embodiment.
The measuring equipment is connected with the expanding device, and a measuring channel of the measuring equipment is expanded through the expanding device, so that data measurement of the equipment to be measured is realized.
Optionally, the measurement device may be a source measurement unit, a multimeter, or the like, and the present embodiment does not limit the type of the measurement device.
Optionally, the data of the device under test may be data of voltage, current, voltage source, current source, and the like, and the data type of the device under test is not limited in this embodiment.
The equipment to be measured is connected with the expansion device, and data is transmitted to the expansion device through the measurement channel of the expansion device so as to realize data measurement.
Optionally, the number of the devices to be tested may be one or at least two, and the number of the devices to be tested is not limited in this embodiment.
Because the traditional measuring equipment such as the measuring channel of the source measuring unit is limited, if a plurality of devices to be measured need to be measured, one measuring equipment can not meet the measuring requirement at the moment, a plurality of measuring equipment are required to be measured at the same time under the common condition, so that the number of the measuring equipment is more, and the measuring cost is higher.
A measurement method provided in this embodiment is described below, and the measurement method is used in an expansion device, as shown in fig. 3, and includes at least the following steps:
step 301, in response to a control instruction of the measurement terminal, initializing values of each module in the expansion device.
Optionally, initializing the value of each module in the expansion device is to initialize the value of the serial communication module, the IO expansion module, the analog switch module, and the like in the expansion device to the initial value.
Optionally, the initial values of the modules are not limited in this embodiment.
Optionally, the determining whether the control instruction is an instruction for switching a measurement channel includes: extracting an identifier carried by the instruction; and under the condition that the identifier carried by the instruction is identified as the instruction for switching the measurement channel, determining that the control instruction is the instruction for switching the measurement channel.
And 303, controlling the analog switch module to switch the measurement state of the measurement channel based on the instruction under the condition that the instruction is the instruction for switching the measurement channel.
Optionally, controlling the analog switch module to switch the measurement state of the measurement channel based on the instruction includes: analyzing the instruction for switching the measuring channel to obtain an analysis result; and controlling the analog switch module to switch the measurement channel corresponding to the analysis result based on the analysis result.
Optionally, parsing the instruction for switching the measurement channel to obtain a parsing result includes: the parsing result is determined based on a character string encoding of an instruction to switch the measurement channel.
Optionally, the parsing result includes a measurement channel number and a measurement channel expected state.
Optionally, the measurement channel desired state includes a measurement channel open state and a measurement channel closed state.
Such as: if the measurement channel number 20 is obtained after analyzing the instruction for switching the measurement channel, and the expected state of the measurement channel is a channel opening state, then the device to be measured corresponding to the measurement channel 20 performs data measurement.
Optionally, after analyzing the instruction for switching the measurement channel and obtaining an analysis result, the method further includes: and under the condition that the number of the measurement channel indicated by the analysis result is greater than the threshold value of the measurement channel, outputting a target prompt and executing the step of receiving the control instruction of the next measurement terminal.
And the target prompt is used for indicating that the channel analysis fails.
Optionally, the target prompt may be a voice prompt or a text prompt, and the implementation manner of the target prompt is not limited in this embodiment.
Wherein, the threshold value of the measuring channel is the number of the testing channels of the expanding device.
Such as: the extension device can realize the test switch of 32 test channels, the threshold value of the measurement channel at the moment is 32, if the measurement channel with the channel number of 36 needs to be opened is obtained after the instruction of switching the measurement channel is analyzed, the number of the measurement channel indicated by the analysis result at the moment is larger than the threshold value of the measurement channel, and the analysis failure prompt is output.
Optionally, in a case that the instruction is not an instruction for switching the measurement channel, the step of receiving the control instruction of the next measurement terminal is triggered to be executed.
In summary, in the measurement method provided in this embodiment, values of each module in the extension apparatus are initialized by responding to a control instruction of the measurement terminal; determining whether the control instruction is an instruction for switching a measurement channel; under the condition that the instruction is an instruction for switching the measurement channel, controlling the analog switch module to switch the measurement state of the measurement channel based on the instruction; the problem that a plurality of source measurement units are needed to measure under the condition that a plurality of measurement channels are needed to be measured due to the fact that the measurement channels of the traditional source measurement unit are limited can be solved; because the traditional measuring equipment such as the measuring channel of the source measuring unit is limited, if a plurality of devices to be measured need to be measured, one measuring equipment can not meet the measuring requirement at the moment, a plurality of measuring equipment are required to be measured at the same time under the common condition, so that the number of the measuring equipment is more, and the measuring cost is higher.
In addition, the appointed measuring channel can be switched and measured according to the requirement, so that the measuring flexibility of the extension device is greatly improved.
In order to understand the above measuring method more clearly, this embodiment describes an example of the above measuring method, and with reference to fig. 4, the specific flow is as follows:
Fig. 5 is a block diagram of a measurement device according to an embodiment of the present application, and the embodiment takes application of the measurement device to an expansion device as an example for description. The device at least comprises the following modules: an initialization module 510, an instruction determination module 520, and a channel switching module 530.
The initialization module 510 is configured to initialize values of the respective modules in the expansion apparatus in response to a control instruction of the measurement terminal.
An instruction determining module 520, configured to determine whether the control instruction is an instruction to switch the measurement channel.
And a channel switching module 530, configured to, in a case that the instruction is an instruction for switching the measurement channel, control the analog switch module to switch the measurement state of the measurement channel based on the instruction.
For relevant details reference is made to the above-described embodiments.
It should be noted that: in the measurement device provided in the above embodiment, only the division of the above functional modules is taken as an example for data measurement, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the measurement device is divided into different functional modules to complete all or part of the above described functions. In addition, the measurement apparatus and the measurement method provided by the above embodiments belong to the same concept, and specific implementation processes thereof are described in the method embodiments for details, which are not described herein again.
The present embodiment provides an electronic device, as shown in fig. 6, which includes at least a processor 601 and a memory 602.
Processor 601 may include one or more processing cores such as: 4 core processors, 8 core processors, etc. The processor 601 may be implemented in at least one hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), and a PLA (Programmable Logic Array). The processor 601 may also include a main processor and a coprocessor, where the main processor is a processor for Processing data in an awake state, and is also called a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor 601 may be integrated with a GPU (Graphics Processing Unit) that is responsible for rendering and drawing content that the display screen needs to display. In some embodiments, processor 601 may also include an AI (Artificial Intelligence) processor for processing computational operations related to machine learning.
The memory 602 may include one or more computer-readable storage media, which may be non-transitory. The memory 602 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in memory 602 is used to store at least one instruction for execution by processor 601 to implement the measurement methods provided by the method embodiments herein.
In some embodiments, the electronic device may further optionally include: a peripheral interface and at least one peripheral. The processor 601, memory 602 and peripheral interface may be connected by a bus or signal lines. Each peripheral may be connected to the peripheral interface via a bus, signal line, or circuit board. Illustratively, peripheral devices include, but are not limited to: radio frequency circuit, touch display screen, audio circuit, power supply, etc.
Of course, the electronic device may include fewer or more components, which is not limited by the embodiment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (10)
1. The expanding device is used in a measuring system, wherein the measuring system comprises a measuring terminal, equipment to be measured and measuring equipment; the expansion device comprises a serial port communication module, an IO expansion module, an analog switch module and a processor;
the serial port communication module is suitable for being connected with the measuring terminal and establishing communication connection with the measuring terminal;
the IO expansion module is used for expanding a measurement channel of the processor;
the analog switch module is used for switching the measurement state of the measurement channel;
the processor is respectively connected with the serial port communication module, the IO expansion module and the analog switch module; the processor is configured to:
responding to a control instruction of the measuring terminal, and initializing numerical values of all modules in the expansion device;
determining whether the control instruction is an instruction for switching a measurement channel;
and under the condition that the instruction is an instruction for switching the measurement channel, controlling the analog switch module to switch the measurement state of the measurement channel based on the instruction.
2. The extension device according to claim 1, wherein the controlling the analog switch module to switch the measurement state of the measurement channel based on the instruction comprises:
analyzing the instruction for switching the measuring channel to obtain an analysis result;
and controlling the analog switch module to switch the measurement channel corresponding to the analysis result based on the analysis result.
3. The extension apparatus according to claim 2, wherein the parsing the instruction for switching the measurement channel to obtain a parsing result includes:
and determining the analysis result based on the character string code of the instruction for switching the measuring channel.
4. The extension device according to claim 2, wherein the parsing result includes a measurement channel number and a measurement channel expected state.
5. The extension device of claim 4, wherein the measurement channel desired state comprises a measurement channel open state and a measurement channel closed state.
6. The extension apparatus according to claim 2, wherein after the analyzing the instruction for switching the measurement channel to obtain the analysis result, the apparatus further includes:
and under the condition that the number of the measuring channel indicated by the analysis result is greater than the measuring channel threshold value, outputting a target prompt and executing the step of receiving a control instruction of the next measuring terminal, wherein the target prompt is used for indicating that the channel analysis fails.
7. The extension device according to claim 1, further comprising:
and triggering and executing the step of receiving the control instruction of the next measuring terminal under the condition that the instruction is not the instruction for switching the measuring channel.
8. A measurement method, for use in an extension device according to claims 1 to 7, the method comprising: responding to a data processing instruction, and initializing values of all modules in the expansion device;
determining whether the instruction is an instruction for switching a measurement channel;
and under the condition that the instruction is an instruction for switching the measurement channel, controlling the analog switch module to switch the measurement channel based on the instruction.
9. An electronic device, wherein the device comprises a processor and a memory; stored in the memory is a program which is loaded and executed by the processor to implement the measurement method according to claim 8.
10. A computer-readable storage medium, characterized in that the storage medium has stored therein a program which, when being executed by a processor, is adapted to carry out the measurement method according to claim 8.
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| CN110954825A (en) * | 2019-11-08 | 2020-04-03 | 广州光中科技有限公司 | Dynamometer switcher, multi-dynamometer switcher cascade device and control method thereof |
| CN112363229A (en) * | 2020-11-13 | 2021-02-12 | 中国海洋大学 | High-density electrode switching access method and system based on FPGA and analog switch |
| CN114996186A (en) * | 2022-04-29 | 2022-09-02 | 深圳市倍思科技有限公司 | Docking station video output method, device, terminal and computer readable storage medium |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954825A (en) * | 2019-11-08 | 2020-04-03 | 广州光中科技有限公司 | Dynamometer switcher, multi-dynamometer switcher cascade device and control method thereof |
| CN112363229A (en) * | 2020-11-13 | 2021-02-12 | 中国海洋大学 | High-density electrode switching access method and system based on FPGA and analog switch |
| CN114996186A (en) * | 2022-04-29 | 2022-09-02 | 深圳市倍思科技有限公司 | Docking station video output method, device, terminal and computer readable storage medium |
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Application publication date: 20221213 |