CN116800383A - Multi-channel communication method, device, equipment and medium - Google Patents
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Abstract
The application provides a multi-channel communication method, a device, equipment and a medium, which are applied to a master device with N microsecond channels, wherein the master device can send downlink frames to a target slave device through the target microsecond channels, the target microsecond channels are in one-to-one correspondence with target uplink frame format information, and the master device can acquire the target uplink frame format information corresponding to the target microsecond channels; determining target analysis logic according to the target uplink frame format information; when an uplink frame sent by the target slave device is received, the uplink frame can be analyzed according to the predetermined target analysis logic, so that communication between the master device and the target slave device is realized. The target upstream frame format information of the upstream frame sent by the target slave device can be determined in advance according to the target microsecond channel so as to determine the target analysis logic, the master device is not required to be initialized, the target analysis logic is manually configured, and therefore the compatibility of the master device and the efficiency are improved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method, an apparatus, a device, and a medium for multi-channel communications.
Background
Microsecond channels (Microsecond Channel, MSC) have begun to be widely used in various scenarios, such as power device control and power management, as a high-speed serial communication protocol. The MSC protocol supports a master multi-slave, that is, the master device of the MSC supports a plurality of slave devices connected simultaneously, and the master device controls the slave devices through downlink frames. When the master device needs to communicate with a certain slave device, the master device can send out a downlink frame to the designated slave device, and then the designated slave device returns an uplink frame to the master device to inform the master device of the self state.
At present, there are many slave devices supporting MSC protocols in the market, and the downlink frame formats and the uplink frame formats corresponding to the control of the slave devices are different. For the downlink frame used for controlling the slave device, the MSC master device can adapt to different kinds of slave devices by modifying software configuration, but for the uplink frame sent by different kinds of slave devices, the master device cannot automatically adapt and analyze, so that the MSC master device has poor compatibility and low communication efficiency.
Disclosure of Invention
In view of the above, the present application aims to provide a multi-channel communication method, apparatus, device and medium, which do not need to initialize a master device and manually configure a target analysis logic, so that the compatibility of the master device can be improved, and the efficiency can be improved. The specific scheme is as follows:
in one aspect, the present application provides a multi-channel communication method applied to a master device having N microsecond channels, where the N microsecond channels are connected to N slave devices, one microsecond channel is connected to one slave device, the N microsecond channels include a target microsecond channel, the N slave devices include a target slave device, and the N is an integer greater than 1, including:
when a downlink frame is sent to the target slave device through the target microsecond channel, acquiring target uplink frame format information corresponding to the target microsecond channel;
determining target analysis logic according to the target uplink frame format information;
and when the uplink frame sent by the target slave device is received, analyzing the uplink frame according to the target analysis logic.
Specifically, before the target uplink frame format information corresponding to the target microsecond channel is obtained when the downlink frame is sent to the target slave device through the target microsecond channel, the method further includes:
configuring corresponding uplink frame format information for each microsecond channel; and each piece of uplink frame format information has a corresponding relation with each piece of uplink frame sent out by the slave equipment.
Specifically, before the determining the target parsing logic according to the target uplink frame format information, the method further includes:
judging whether the target uplink frame format information is empty or not;
if the target uplink frame format information is not null, executing the step of determining target analysis logic according to the target uplink frame format information; otherwise, the preset state identifier is set in the uplink state register.
Specifically, the target uplink frame format information includes an uplink frame address segment length and an uplink frame data segment length.
Specifically, the downlink frame includes chip selection information, where the chip selection information is used to determine the target slave device.
In still another aspect, an embodiment of the present application further provides a multi-channel communication apparatus, including:
the acquisition unit is used for acquiring target uplink frame format information corresponding to the target microsecond channel when the downlink frame is sent to the target slave device through the target microsecond channel; the target uplink frame format information has a corresponding relation with the target uplink frame;
the determining unit is used for determining target analysis logic according to the target uplink frame format information;
and the analysis unit is used for analyzing the uplink frame according to the target analysis logic when the uplink frame sent by the target slave equipment is received.
Specifically, the device further comprises:
the configuration unit is used for configuring corresponding uplink frame format information for each microsecond channel; and each piece of uplink frame format information has a corresponding relation with each piece of uplink frame sent out by the slave equipment.
Specifically, the device further comprises:
a judging unit, configured to judge whether the target uplink frame format information is null; if the target uplink frame format information is not null, executing the step of determining target analysis logic according to the target uplink frame format information; otherwise, the preset state identifier is set in the uplink state register.
In yet another aspect, an embodiment of the present application provides a computer device including a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to perform the method of the above aspect according to instructions in the program code.
In yet another aspect, embodiments of the present application provide a computer-readable storage medium for storing a computer program for performing the method described in the above aspect.
In yet another aspect, embodiments of the present application provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of the above aspect.
The embodiment of the application provides a multi-channel communication method, a device, equipment and a medium, which are applied to a master device with N microsecond channels, wherein the N microsecond channels are connected with N slave devices, one microsecond channel is connected with one slave device, that is, the master device communicates with each slave device through a single microsecond channel, the N microsecond channels comprise target microsecond channels, the N slave devices comprise target slave devices, the master device can send downlink frames to the target slave devices through the target microsecond channels, the target microsecond channels are in one-to-one correspondence with target uplink frame format information, and the master device can acquire target uplink frame format information corresponding to the target microsecond channels; determining target analysis logic according to the target uplink frame format information; when an uplink frame sent by the target slave device is received, the uplink frame can be analyzed according to the predetermined target analysis logic, so that communication between the master device and the target slave device is realized. In this way, the master device and the target slave device communicate through the target microsecond channel, and target uplink frame format information of an uplink frame sent by the target slave device can be determined in advance according to the target microsecond channel so as to determine target analysis logic, the master device is not required to be initialized, the target analysis logic is manually configured, and therefore, the compatibility of the master device and the efficiency can be improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the application and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a multi-channel communication method according to an embodiment of the present application;
fig. 2 is a schematic diagram of an MSC slave configuration channel register set according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a relationship between chip select information and a slave configuration channel register according to an embodiment of the present application;
FIG. 4 is a schematic diagram illustrating a process of configuring a strobe channel to be space-time according to an embodiment of the present application;
FIG. 5 is a flow chart of another multi-channel communication method according to an embodiment of the present application;
fig. 6 is a schematic communication diagram of an MSC compatible with multiple slaves according to an embodiment of the present application;
fig. 7 is a block diagram of a multi-channel communication device according to an embodiment of the present application;
fig. 8 is a block diagram of a computer device according to an embodiment of the present application.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
As described in the background art, for the uplink frames sent by different types of slave devices, the master device cannot perform automatic adaptive analysis, because only one type of uplink frame structure analysis logic of the slave device is configured when the master device is initialized, if the slave device with other uplink frame formats appears in the communication process, the master device cannot analyze the uplink frames with other frame formats on the premise of not resetting and re-initializing, so that the MSC master device can only hang on the same type of slave device, the compatibility of the MSC master device is poor, the master device needs to reset and re-initialize the uplink frames with other frame formats, the master device can communicate between the master device and the slave device with other uplink frame formats by using software, time is wasted, and the communication efficiency is low.
For example, when the master device needs to communicate with the slave device a, the master device may be initialized, manually configure the parsing logic of the uplink frame a sent by the slave device a, then the master device sends the downlink frame to the slave device a, the slave device returns the uplink frame a, and the master device parses through the configured parsing logic of the uplink frame a to complete communication.
Based on the technical problems, the embodiment of the application provides a multi-channel communication method, a device, equipment and a medium, which are applied to a master device with N microsecond channels, wherein the N microsecond channels are connected with N slave devices, one microsecond channel is connected with one slave device, that is, the master device communicates with each slave device through a single microsecond channel, the N microsecond channels comprise target microsecond channels, the N slave devices comprise target slave devices, the master device can send downlink frames to the target slave devices through the target microsecond channels, the target microsecond channels correspond to target uplink frame format information one by one, and the master device can acquire target uplink frame format information corresponding to the target microsecond channels; determining target analysis logic according to the target uplink frame format information; when an uplink frame sent by the target slave device is received, the uplink frame can be analyzed according to the predetermined target analysis logic, so that communication between the master device and the target slave device is realized. In this way, the master device and the target slave device communicate through the target microsecond channel, and target uplink frame format information of an uplink frame sent by the target slave device can be determined in advance according to the target microsecond channel so as to determine target analysis logic, the master device is not required to be initialized, the target analysis logic is manually configured, and therefore, the compatibility of the master device and the efficiency can be improved.
For easy understanding, the following describes in detail a multi-channel communication method, device, apparatus and medium provided in the embodiments of the present application with reference to the accompanying drawings.
Referring to fig. 1, a flow chart of a multi-channel communication method according to an embodiment of the present application is shown, and the method may include the following steps.
S101, when a downlink frame is sent to a target slave device through a target microsecond channel, target uplink frame format information corresponding to the target microsecond channel is acquired.
In the embodiment of the application, the method can be applied to a master device with N microsecond channels, N is an integer greater than 1, the N microsecond channels are connected with N slave devices, and one microsecond channel is connected with one slave device, that is, the master device and each slave device are communicated through separate microsecond channels. The number of N depends on the maximum number of slaves that the MSC master can support. The master device may be a micro control unit (Microcontroller Unit, MCU), also called a single chip microcomputer, and the slave device may be a downstream power device driven by the MCU, such as a power management chip like L9788.
The N microsecond channels may include a target microsecond channel, the N slave devices may include a target slave device, and the master device and the target slave device may communicate through the target microsecond channel.
Specifically, a corresponding uplink frame format may be set for each microsecond channel, where the uplink frame format is an uplink frame format sent by a slave device connected to the microsecond channel, and the target microsecond channel corresponds to target uplink frame format information, where the target uplink frame format information is format information of an uplink frame sent by the target slave device, and the target uplink frame format information may include an uplink frame address segment length and an uplink frame data segment length, that is, an uplink frame address segment bit number and an uplink frame data segment bit number.
Specifically, the master device may send a downlink frame to the target slave device through the target microsecond channel, where the downlink frame is used to request the target slave device to report its own status, and at this time, the master device may obtain target uplink frame format information corresponding to the target microsecond channel.
In practical application, a register set may be set for the master device, where the register set includes a plurality of registers, each register corresponds to each microsecond channel, and each register stores configuration information of the corresponding microsecond channel, where the configuration information may include uplink frame format information and chip selection information. Referring to fig. 2, a schematic diagram of an MSC slave configuration channel Register set according to an embodiment of the present application is shown, in Slave Config Channel Register Group (slave configuration channel Register set), including Slave Config Channel0 registers (slave configuration channel Register 0), slave Config Channel1 registers (slave configuration channel Register 1), slave Config Channel2 registers (slave configuration channel Register 2) … Slave Config ChannelN Register (slave configuration channel Register N), where Upstream Bit Number (uplink frame address segment length and uplink frame data segment length) are stored in each slave configuration channel Register.
Specifically, referring to fig. 3, a schematic diagram of a relationship between Chip Select information and a slave configuration channel Register according to an embodiment of the present application is shown, where Chip Select 0 (Chip Select information 0) has a corresponding relationship with Slave Config Channel0 Register, chip Select1 (Chip Select information 1) has a corresponding relationship with Slave Config Channel1 Register, and Chip Select N (Chip Select information N) has a corresponding relationship with Slave Config ChannelN Register.
In the embodiment of the application, the downlink frame may include chip selection information, where the chip selection information is used to determine the target slave device, and after the target slave device is selected, the target slave device may receive the downlink frame, while other slave devices not selected by the chip selection information may not receive the downlink frame.
In the embodiment of the application, before the downlink frame is sent to the target slave device through the target microsecond channel, the corresponding uplink frame format information can be configured for each microsecond channel before the target uplink frame format information corresponding to the target microsecond channel is obtained, for example, after the uplink frame type sent by each slave device is known, the corresponding uplink frame format information can be manually configured for each msc channel, so that each uplink frame format information has a corresponding relation with the uplink frame sent by each slave device, and the uplink frame format information corresponding to the msc channel can be obtained according to the msc channel and the corresponding relation.
It can be understood that the configuration of the corresponding uplink frame format information for each microsecond channel can be completed when the master device is initialized once, and the communication is not required to be interrupted, so that the communication efficiency can be improved.
S102, determining target analysis logic according to the target uplink frame format information.
In the embodiment of the application, different slave devices can correspond to different uplink frame format information, the different uplink frame format information has different analysis logics, the target analysis logic can be determined according to the target uplink frame format information, and the target analysis logic can be used for analyzing the uplink frame sent by the target device so that the master device and the slave device can normally communicate.
In one possible implementation manner, before determining the target parsing logic according to the target uplink frame format information, it may also be determined whether the target uplink frame format information is null, and if the target uplink frame format information is not null, it is indicated that the correct target uplink frame format information is configured in the target microsecond channel, then the step of determining the target parsing logic according to the target uplink frame format information is performed.
If the target uplink frame format information is null, which means that the correct target uplink frame format information is not configured in the target microsecond channel, or the target uplink frame format information is not truly configured, and the target analysis logic cannot be determined later, the state identifier can be preset in the uplink state register, for example, the state identifier corresponding to the hardware bit in the uplink state register, and in addition, the abnormal interrupt can be pulled up to notify the user.
Specifically, referring to fig. 4, a processing schematic diagram of a strobe Channel configured as a space time is provided in the embodiment of the present application, when a Channel register N is configured by a slave in Slave Config ChannelN Register and uplink frame format information stored in the Channel register N is 0, not only an abort (Channel Empty Error Isr) with a Channel being Empty may be pulled up, but also a Channel Empty status flag may be set in Upstream Status Register (uplink status register).
In another possible implementation manner, the method may directly analyze the target uplink frame format information without checking whether the target uplink frame format information is empty, and one skilled in the art may select the target uplink frame format information according to the actual situation.
And S103, when the uplink frame sent by the target slave device is received, analyzing the uplink frame according to the target analysis logic.
In the embodiment of the application, after the master device sends the downlink frame to the target slave device, the target slave device can return the uplink frame to the master device, and when the master device receives the uplink frame, the target analysis logic can be utilized to analyze the uplink frame, so that the information of the target slave device is obtained. In this way, the master device and the target slave device communicate through the target microsecond channel, and target uplink frame format information of an uplink frame sent by the target slave device can be determined in advance according to the target microsecond channel so as to determine target analysis logic, the master device is not required to be initialized, the target analysis logic is manually configured, and therefore, the compatibility of the master device and the efficiency can be improved.
Specifically, referring to fig. 5, a flowchart of another multi-channel communication method provided by the embodiment of the present application is shown, when other configuration is completed, uplink frame format information may be configured for each slave (slave) channel at the same time when initialization is completed, then, the chip selection information may gate the slave X as a target slave, then, it is determined whether the slave X channel is configured with uplink frame format information, that is, whether the uplink frame format information is empty is checked, if the uplink frame format information is configured, the slave configuration channel corresponding to the slave X is selected according to the chip selection, the uplink frame format information of the slave X is loaded, the target parsing logic is determined, then, the slave X uplink frame is received and parsed, and if the slave X channel is not configured, the corresponding abnormal state is set and abnormal interrupt is not triggered.
Specifically, referring to fig. 6, a communication schematic diagram of an MSC compatible with multiple slaves according to an embodiment of the present application may correspond to Slave Config Channel Register for the chip select signal EN0, and perform MSC uplink frame format parsing. When the software selects the corresponding chip selection signal, the hardware automatically loads the uplink frame word length configuration in the slave configuration channel register associated with the chip selection so as to analyze the uplink frame content of the corresponding slave, and then the hardware immediately takes effect according to the new frame format configuration. Each channel corresponds to an independent slave machine and stores the uplink frame format information and the chip selection information of the slave machine. When the slave is selected, the hardware automatically loads the information of the uplink frame format of the slave in the channel, and immediately modifies the analysis mode of the uplink frame format so as to be used for correspondingly analyzing the received uplink frame by the MSC host. If the channel configuration information corresponding to the slave machine selected by the current chip is empty, the abnormal interrupt is automatically triggered, and the hardware sets the state bit corresponding to the error. Thus, the MSC master device can be compatible with communication of a plurality of different uplink frame formats of slave devices.
The embodiment of the application provides a multi-channel communication method which is applied to a master device with N microsecond channels, wherein the N microsecond channels are connected with N slave devices, one microsecond channel is connected with one slave device, that is, the master device is communicated with each slave device through an independent microsecond channel, the N microsecond channels comprise target microsecond channels, the N slave devices comprise target slave devices, the master device can send downlink frames to the target slave devices through the target microsecond channels, the target microsecond channels are in one-to-one correspondence with target uplink frame format information, and the master device can acquire target uplink frame format information corresponding to the target microsecond channels; determining target analysis logic according to the target uplink frame format information; when an uplink frame sent by the target slave device is received, the uplink frame can be analyzed according to the predetermined target analysis logic, so that communication between the master device and the target slave device is realized. In this way, the master device and the target slave device communicate through the target microsecond channel, and target uplink frame format information of an uplink frame sent by the target slave device can be determined in advance according to the target microsecond channel so as to determine target analysis logic, the master device is not required to be initialized, the target analysis logic is manually configured, and therefore, the compatibility of the master device and the efficiency can be improved.
Based on the above multi-channel communication method, the embodiment of the present application further provides a multi-channel communication device, and referring to fig. 7, a block diagram of a multi-channel communication device provided in the embodiment of the present application is shown, where the device may include:
an obtaining unit 201, configured to obtain, when a downlink frame is sent to the target slave device through the target microsecond channel, target uplink frame format information corresponding to the target microsecond channel; the target uplink frame format information has a corresponding relation with the target uplink frame;
a determining unit 202, configured to determine a target parsing logic according to the target uplink frame format information;
and the parsing unit 203 is configured to parse the uplink frame according to the target parsing logic when receiving the uplink frame sent by the target slave device.
Optionally, the apparatus further comprises:
the configuration unit is used for configuring corresponding uplink frame format information for each microsecond channel; and each piece of uplink frame format information has a corresponding relation with each piece of uplink frame sent out by the slave equipment.
Optionally, the apparatus further comprises:
a judging unit, configured to judge whether the target uplink frame format information is null; if the target uplink frame format information is not null, executing the step of determining target analysis logic according to the target uplink frame format information; otherwise, the preset state identifier is set in the uplink state register.
The embodiment of the application provides a multi-channel communication device, which is used for acquiring target uplink frame format information corresponding to a target microsecond channel when a downlink frame is sent to target slave equipment through the target microsecond channel; the target uplink frame format information has a corresponding relation with the target uplink frame; the determining unit is used for determining target analysis logic according to the target uplink frame format information; and the analysis unit is used for analyzing the uplink frame according to the target analysis logic when the uplink frame sent by the target slave equipment is received. In this way, the master device and the target slave device communicate through the target microsecond channel, and target uplink frame format information of an uplink frame sent by the target slave device can be determined in advance according to the target microsecond channel so as to determine target analysis logic, the master device is not required to be initialized, the target analysis logic is manually configured, and therefore, the compatibility of the master device and the efficiency can be improved.
In yet another aspect, referring to fig. 8, a block diagram of a computer device according to an embodiment of the present application is provided, where the computer device includes a processor 310 and a memory 320:
the memory 320 is used for storing program codes and transmitting the program codes to the processor 310;
the processor 310 is configured to execute the method provided in the above embodiment according to the instructions in the program code.
The computer device may comprise a terminal device or a server, in which the aforementioned means may be arranged.
In yet another aspect, an embodiment of the present application further provides a storage medium, where the storage medium is used to store a computer program, where the computer program is used to execute the method provided in the foregoing embodiment.
In addition, the embodiment of the present application also provides a computer program product comprising instructions, which when run on a computer, cause the computer to perform the method provided by the above embodiment.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by program instruction hardware, and the above program may be stored in a computer readable storage medium, where the program when executed performs steps including the above method embodiments; and the aforementioned storage medium may be at least one of the following media: read-only Memory (ROM), RAM, magnetic disk or optical disk, etc.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points.
The foregoing is merely a preferred embodiment of the present application, and the present application has been disclosed in the above description of the preferred embodiment, but is not limited thereto. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present application or modifications to equivalent embodiments using the methods and technical contents disclosed above, without departing from the scope of the technical solution of the present application. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present application still fall within the scope of the technical solution of the present application.
Claims (10)
1. A multi-channel communication method, applied to a master device having N microsecond channels, where the N microsecond channels are connected to N slave devices, one of the microsecond channels is connected to one of the slave devices, the N microsecond channels include a target microsecond channel, the N slave devices include a target slave device, and N is an integer greater than 1, including:
when a downlink frame is sent to the target slave device through the target microsecond channel, acquiring target uplink frame format information corresponding to the target microsecond channel;
determining target analysis logic according to the target uplink frame format information;
and when the uplink frame sent by the target slave device is received, analyzing the uplink frame according to the target analysis logic.
2. The method of claim 1, wherein before the acquiring the target uplink frame format information corresponding to the target microsecond channel when the downlink frame is sent to the target slave device through the target microsecond channel, the method further comprises:
configuring corresponding uplink frame format information for each microsecond channel; and each piece of uplink frame format information has a corresponding relation with each piece of uplink frame sent out by the slave equipment.
3. The method of claim 1, wherein prior to said determining target parsing logic from said target upstream frame format information, the method further comprises:
judging whether the target uplink frame format information is empty or not;
if the target uplink frame format information is not null, executing the step of determining target analysis logic according to the target uplink frame format information; otherwise, the preset state identifier is set in the uplink state register.
4. A method according to any of claims 1-3, wherein the target upstream frame format information comprises an upstream frame address segment length and an upstream frame data segment length.
5. A method according to any of claims 1-3, wherein the downstream frame comprises chip select information, the chip select information being used to determine the target slave device.
6. A multi-channel communication device, comprising:
the acquisition unit is used for acquiring target uplink frame format information corresponding to the target microsecond channel when the downlink frame is sent to the target slave device through the target microsecond channel; the target uplink frame format information has a corresponding relation with the target uplink frame;
the determining unit is used for determining target analysis logic according to the target uplink frame format information;
and the analysis unit is used for analyzing the uplink frame according to the target analysis logic when the uplink frame sent by the target slave equipment is received.
7. The apparatus of claim 6, wherein the apparatus further comprises:
the configuration unit is used for configuring corresponding uplink frame format information for each microsecond channel; and each piece of uplink frame format information has a corresponding relation with each piece of uplink frame sent out by the slave equipment.
8. The apparatus of claim 6, wherein the apparatus further comprises:
a judging unit, configured to judge whether the target uplink frame format information is null; if the target uplink frame format information is not null, executing the step of determining target analysis logic according to the target uplink frame format information; otherwise, the preset state identifier is set in the uplink state register.
9. A computer device, the computer device comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to perform the method of any of claims 1-5 according to instructions in the program code.
10. A computer readable storage medium, characterized in that the computer readable storage medium is for storing a computer program for executing the method of any one of claims 1-5.
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