CN210958383U - Communication equipment - Google Patents
Communication equipment Download PDFInfo
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- CN210958383U CN210958383U CN202020127939.5U CN202020127939U CN210958383U CN 210958383 U CN210958383 U CN 210958383U CN 202020127939 U CN202020127939 U CN 202020127939U CN 210958383 U CN210958383 U CN 210958383U
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Abstract
The application provides a communication device, comprising: the communication protocol of the first communication interface is different from that of the second communication interface; the output end of the first communication interface is connected with the first end point of the first transmission line through a first switch, and the input end of the first communication interface is connected with the first end of the second transmission line through a second switch; the input end of the second communication interface is connected with the first end of the first transmission line through a third switch, and the output end of the second communication interface is connected with the first end of the second transmission line through a fourth switch; the second end of the first transmission line is connected with the external output end; the second end of the second transmission line is connected to the external input terminal. In the present application, the number of transmission lines can be reduced in the above manner, so that wiring between the communication device and the external device can be simplified.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a communication device.
Background
At present, in a certain communication system, one host usually needs to be connected with different terminal devices, and communication between the host and the different terminal devices often needs to be performed through different communication protocols.
In order to support the communication between the host and different terminal devices through different communication protocols, different communication interfaces are generally set on the host, and each communication interface needs to be respectively provided with a transmission line to be connected with the terminal device, but this way results in a large number of transmission lines of a communication circuit between the host and the terminal device and complex wiring.
SUMMERY OF THE UTILITY MODEL
In order to solve the foregoing technical problem, an embodiment of the present application provides a communication device to achieve the purpose of reducing the number of transmission lines and thereby simplifying the wiring between the communication device and an external device, where the communication device includes:
a communication device, comprising: the device comprises a first communication interface, a second communication interface, a first switch, a second switch, a third switch and a fourth switch, wherein the communication protocol of the first communication interface is different from that of the second communication interface;
the output end of the first communication interface is connected with the first end point of the first transmission line through the first switch, and the input end of the first communication interface is connected with the first end of the second transmission line through the second switch;
the input end of the second communication interface is connected with the first end of the first transmission line through the third switch, and the output end of the second communication interface is connected with the first end of the second transmission line through the fourth switch;
the second end of the first transmission line is connected with an external output end;
the second end of the second transmission line is connected to an external input terminal.
Preferably, the communication device further includes: the processor, the peripheral identification interface and the fifth switch;
the input end of the peripheral identification interface is connected with the first end of the second transmission line through the fifth switch;
and the output end of the peripheral identification interface is connected with the processor.
Preferably, the communication device further includes: a first switch controller and a second switch controller;
the input end of the first switch controller is connected with the processor, and the output end of the first switch controller is connected with any two of the first switch, the second switch, the third switch and the fourth switch;
the input end of the second switch controller is connected with the processor, and the output end of the second switch controller is connected with two switches except for the two switches connected with the output end of the first switch controller, among the first switch, the second switch, the third switch and the fourth switch.
Preferably, an output terminal of the first switch controller is connected to any two of the first switch, the second switch, the third switch and the fourth switch, and includes:
a first output end of the first switch controller is connected with the first switch, and a second output end of the first switch controller is connected with the second switch;
an input end of the second switch controller is connected to the processor, and an output end of the second switch controller is connected to two switches, except for two switches connected to an output end of the first switch controller, among the first switch, the second switch, the third switch, and the fourth switch, and includes:
and a first output end of the second switch controller is connected with the third switch, and a second output end of the second switch controller is connected with the fourth switch.
Preferably, an output terminal of the first switch controller is connected to any two of the first switch, the second switch, the third switch and the fourth switch, and includes:
a first output end of the first switch controller is connected with the second switch, and a second output end of the first switch controller is connected with the third switch;
an input end of the second switch controller is connected to the processor, and an output end of the second switch controller is connected to two switches, except for two switches connected to an output end of the first switch controller, among the first switch, the second switch, the third switch, and the fourth switch, and includes:
and a first output end of the second switch controller is connected with the first switch, and a second output end of the second switch controller is connected with the fourth switch.
Preferably, the communication device further includes: a third switch controller;
the input end of the third switch controller is connected with the processor, and the output end of the third switch controller is connected with the fifth switch.
Preferably, the communication protocol of the first communication interface includes: a CAN communication protocol or an RS485 communication protocol or a UART communication protocol;
the communication protocol of the second communication interface comprises: TCP/IP protocol.
Preferably, the first transmission line consists of two cables;
the second transmission line is composed of two cables.
Compared with the prior art, the beneficial effect of this application is:
in this application, the input of first communication interface passes through first switch links to each other with the first end of first transmission line, and the input of second communication interface passes through the third switch and links to each other with the first end of first transmission line, the second end of first transmission line links to each other with the outside output, can guarantee that first communication interface and second communication interface can use the same transmission line to communicate with the outside, and is same, and the output of first communication interface passes through the second switch and links to each other with the first end of second transmission line, and the output of second communication interface passes through the fourth switch and links to each other with the first end of second transmission line, the second end of second transmission line links to each other with the outside input, guarantees that first communication interface and second communication interface can communicate with the outside through the same transmission line. Above-mentioned structure guarantees that communication equipment can support through being in the state of different closure or disconnection with first switch, the second switch, third switch and fourth switch, makes first communication interface and the multiplexing same transmission line of second communication interface realize the input, and the multiplexing same transmission line of first communication interface and second communication interface realizes the output, does not need the input of first communication interface and second communication interface and output equipartition to establish the transmission line, can reduce the quantity of transmission line, thereby can simplify the wiring between communication equipment and the external equipment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a communication device provided in the present application;
fig. 2 is a schematic structural diagram of another communication device provided in the present application;
fig. 3 is a schematic structural diagram of another communication device provided in the present application;
fig. 4 is a schematic structural diagram of another communication device provided in the present application;
fig. 5 is a schematic structural diagram of another communication device provided in the present application;
fig. 6 is a schematic structural diagram of another communication device provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application discloses a communication device, including: the device comprises a first communication interface, a second communication interface, a first switch, a second switch, a third switch and a fourth switch, wherein the communication protocol of the first communication interface is different from that of the second communication interface; the output end of the first communication interface is connected with the first end point of the first transmission line through the first switch, and the input end of the first communication interface is connected with the first end of the second transmission line through the second switch; the input end of the second communication interface is connected with the first end of the first transmission line through the third switch, and the output end of the second communication interface is connected with the first end of the second transmission line through the fourth switch; the second end of the first transmission line is connected with an external output end; the second end of the second transmission line is connected with the external input end; under the condition that the first communication interface is in a working state, the first switch and the second switch are in a closed state, and the third switch and the fourth switch are in an open state; and under the condition that the second communication interface is in a working state, the first switch and the second switch are in an open state, and the third switch and the fourth switch are in a closed state. In the present application, the number of transmission lines can be reduced, so that wiring between the communication device and the external device can be simplified.
Next, a communication device disclosed in an embodiment of the present application is introduced, and referring to fig. 1, the communication device includes: a first communication interface 11, a second communication interface 12, a first switch S1, a second switch S2, a third switch S3, and a fourth switch S4.
Wherein, the communication protocol of the first communication interface 11 is different from the communication protocol of the second communication interface 12.
The output terminal of the first communication interface 11 is connected to the first end point of the first transmission line through the first switch S1, and the input terminal of the first communication interface 11 is connected to the first end of the second transmission line through the second switch S2;
the input terminal of the second communication interface 12 is connected to the first terminal of the first transmission line through the third switch S3, and the output terminal of the second communication interface 12 is connected to the first terminal of the second transmission line through the fourth switch S4;
the second end of the first transmission line is connected with an external output end;
the second end of the second transmission line is connected to an external input terminal.
Based on the above structure, it can be realized that when the first communication interface 11 is in the working state, the first switch S1 and the second switch S2 are in the closed state, and the third switch S3 and the fourth switch S4 are in the open state; with the second communication interface 12 in the working state, the first switch S1 and the second switch S2 are in an open state, and the third switch S3 and the fourth switch S4 are in a closed state.
In this embodiment, a trigger button may be provided on the communication device, and the first switch S1, the second switch S2, the third switch S3, and the fourth switch S4 may be manually triggered to be turned on or off.
Of course, it may also be set in an automatic manner, the communication device automatically determines the operating state of the first communication interface 11 or the second communication interface 12, and if the first communication interface 11 is determined to be in the operating state, the communication device automatically controls the first switch S1 and the second switch S2 to be in the closed state, and the third switch S3 and the fourth switch S4 to be in the open state; if the second communication interface 12 is in the working state, the communication device automatically controls the first switch S1 and the second switch S2 to be in the open state, and the third switch S3 and the fourth switch S4 to be in the closed state.
In this application, the input end of the first communication interface 11 is connected to the first end of the first transmission line through the first switch S1, the input end of the second communication interface 12 is connected to the first end of the first transmission line through the third switch S3, the second end of the first transmission line is connected to the external output end, it can be ensured that the first communication interface 11 and the second communication interface 12 can communicate with the outside using the same transmission line, similarly, the output end of the first communication interface 11 is connected to the first end of the second transmission line through the second switch S2, the output end of the second communication interface 12 is connected to the first end of the second transmission line through the fourth switch S4, the second end of the second transmission line is connected to the external input end, and it is ensured that the first communication interface 11 and the second communication interface 12 can communicate with the outside through the same transmission line. The above structure ensures that the communication device can support that the first switch S1, the second switch S2, the third switch S3 and the fourth switch S4 are in different on or off states, so that the first communication interface 11 and the second communication interface 12 can realize input by multiplexing the same transmission line, and the first communication interface 11 and the second communication interface 12 can realize output by multiplexing the same transmission line, and the transmission lines are not required to be uniformly arranged at the input end and the output end of the first communication interface 11 and the second communication interface 12, so that the number of the transmission lines can be reduced, and the wiring between the communication device and the external device can be simplified.
After the number of transmission lines is reduced, the operation management cost can be reduced, which is advantageous for solving the EMC (Electro Magnetic Compatibility) problem.
In another embodiment of the present application, another communication device is extended on the basis of the communication device shown in fig. 1, please refer to fig. 2, and on the basis of the communication device shown in fig. 1, the method may further include: a processor 13, a peripheral identification interface 14 and a fifth switch S5.
The input terminal of the peripheral identification interface 14 is connected to the first terminal of the second transmission line through the fifth switch S5.
The output end of the peripheral identification interface 14 is connected to the processor 13.
Based on the above structure, can realize:
the processor 13 acquires information of the external device through the second transmission line and determines a communication protocol type as a target communication protocol type through the information of the external device in a case where the fifth switch S5 is in a closed state.
Determining the communication protocol type through the information of the external device may be understood as: and determining the type of a communication protocol used for communication between the external device and the communication device through the information of the external device.
And, in case the communication protocol of the first communication interface 11 conforms to the target communication protocol type, the processor 13 controls the first switch S1 to be closed and the second switch S2 to be closed, and controls the third switch S3 to be opened and the fourth switch S4 to be opened.
And the processor 13 controls the first switch S1 to be closed and the second switch S2 to be closed, and controls the third switch S3 to be opened and the fourth switch S4 to be opened, so as to ensure that the first communication interface 11 communicates with external equipment through the first transmission line and the second transmission line, and to cut off the connection of the second communication interface 12 with the first transmission line and the second transmission line.
In case the communication protocol of the second communication interface 12 conforms to the target communication protocol type, the processor 13 controls the first switch S1 to be open and the second switch S2 to be open, and controls the third switch S3 to be closed and the fourth switch S4 to be closed.
The processor 13 controls the first switch S1 to be opened and the second switch S2 to be opened, controls the third switch S3 to be closed and controls the fourth switch S4 to be closed, ensures that the second communication interface 12 communicates with external devices through the first transmission line and the second transmission line, and cuts off the connection of the first communication interface 11 with the first transmission line and the second transmission line.
Preferably, in a default state, the processor 13 may control the fifth switch S5 to be in a closed state, so that when an external device accesses, the processor can acquire information of the external device in time and determine the communication protocol type in time to control the first switch S1, the second switch S2, the third switch S3, and the fourth switch S4 to be closed or opened.
In this embodiment, the processor 13 controls the closures or ports of the first switch S1, the second switch S2, the third switch S3 and the fourth switch S4, so as to automatically implement the first communication interface 11 and the second communication interface 12 to multiplex the first transmission line and the second transmission line to complete the communication with the external device.
It should be noted that, after determining the communication protocol type through the information of the external device, the processor 13 may control the fifth switch S5 to be turned off, so as to reduce the energy consumption of the communication device and improve the safety of the operation of the communication device.
Of course, after detecting that the external device is disconnected from the first transmission line and the second transmission line, the processor 13 may control the fifth switch S5 to be closed, so that when the external device is accessed, information of the external device can be obtained in time, a communication protocol type can be determined in time, and the first switch S1, the second switch S2, the third switch S3, and the fourth switch S4 are controlled to be opened, so that energy consumption of the communication device is reduced, and safety of operation of the communication device is improved.
In another embodiment of the present application, another communication device is extended on the basis of the communication device shown in fig. 2, and on the basis of the communication device shown in fig. 2, the method may further include: a first switch controller 15 and a second switch controller 16.
An input terminal of the first switch controller 15 is connected to the processor 13, and an output terminal of the first switch controller 15 is connected to any two of the first switch S1, the second switch S2, the third switch S3 and the fourth switch S4;
an input terminal of the second switch controller 16 is connected to the processor 13, and an output terminal of the second switch controller 16 is connected to two switches other than the two switches connected to the output terminal of the first switch controller 15 among the first switch S1, the second switch S2, the third switch S3, and the fourth switch S4.
As shown in fig. 3, the output terminal of the first switch controller 15 is connected to any two of the first switch S1, the second switch S2, the third switch S3 and the fourth switch S4, and includes:
a first output terminal of the first switch controller 15 is connected to the second switch S2, and a second output terminal of the first switch controller 15 is connected to the third switch S3;
accordingly, the input terminal of the second switch controller 16 is connected to the processor 13, and the output terminal of the second switch controller 16 is connected to two switches other than the two switches connected to the output terminal of the first switch controller 15 among the first switch S1, the second switch S2, the third switch S3, and the fourth switch S4, and may include:
a first output terminal of the second switch controller 16 is connected to the first switch S1, and a second output terminal of the second switch controller 16 is connected to the fourth switch S4.
Based on the above structure, can realize:
in case that the communication protocol of the first communication interface 11 conforms to the target communication protocol type, the processor 13 controls the second switch S2 to be closed and the third switch S3 to be opened by controlling the first switch controller 15, and controls the first switch S1 to be closed and the fourth switch S4 to be opened by controlling the second switch controller 16;
in case the communication protocol of the second communication interface 12 conforms to the target communication protocol type, the processor 13 controls the second switch S2 to be opened and the third switch S3 to be closed by controlling the first switch controller 15, and controls the first switch S1 to be opened and the fourth switch S4 to be closed by controlling the second switch controller 16.
In this embodiment, the second switch S2 and the third switch S3 are controlled by the first switch controller 15, and the first switch S1 and the fourth switch S4 are controlled by the second switch controller 16, so that the wiring inside the communication device can be simplified, and maintenance is facilitated.
Of course, the first switch S1 and the second switch S2 may be controlled by the first switch controller 15, and the third switch S3 and the fourth switch S4 may be controlled by the second switch controller 16, as shown in fig. 4.
The output terminal of the first switch controller 15 is connected to any two of the first switch S1, the second switch S2, the third switch S3 and the fourth switch S4, and includes:
a first output terminal of the first switch controller 15 is connected to the first switch S1, and a second output terminal of the first switch controller 15 is connected to the second switch S2;
accordingly, the input terminal of the second switch controller 16 is connected to the processor 13, and the output terminal of the second switch controller 16 is connected to two switches other than the two switches connected to the output terminal of the first switch controller 15 among the first switch S1, the second switch, S2, the third switch S3, and the fourth switch S4, including:
a first output terminal of the second switch controller 16 is connected to the third switch S3, and a second output terminal of the second switch controller 16 is connected to the fourth switch S4.
Corresponding to the circuit connection relationship of the first switch controller 15 and the second switch controller 16 shown in fig. 4, in the case that the communication protocol of the first communication interface 11 conforms to the target communication protocol type, the processor 13 controls the first switch S1 to be closed and the second switch S2 to be closed by controlling the first switch controller 15, and controls the third switch S3 to be opened and the fourth switch S4 to be opened by controlling the second switch controller 16;
in case the communication protocol of the second communication interface 12 conforms to the target communication protocol type, the processor 13 controls the first switch S1 to be open and the second switch S2 to be open by controlling the first switch controller 15, and controls the third switch S3 to be closed and the fourth switch S4 to be closed by controlling the second switch controller 16.
In another embodiment of the present application, another communication device is extended on the basis of the communication device shown in fig. 3, please refer to fig. 5, and on the basis of the communication device shown in fig. 3, the method may further include: and a third switch controller 17.
An input terminal of the third switch controller 17 is connected to the processor 13, and an output terminal of the third switch controller 13 is connected to the fifth switch S5.
Based on the above structure, can realize:
the processor 13 controls the fifth switch S5 to be opened or closed by controlling the third switch controller 17.
Specifically, the processor 13 may control the fifth switch S5 to be turned off by controlling the third switch controller 17 after determining the communication protocol type through the information of the external device.
The processor 13 may control the fifth switch S5 to be closed by controlling the third switch controller 17, control the second switch S2 to be opened and the third switch S3 to be opened by controlling the first switch controller 15, and control the first switch S1 to be opened and the fourth switch S4 to be opened by controlling the second switch controller 16 after detecting that the external device is disconnected from the first transmission line and the second transmission line.
In the foregoing embodiments, the communication protocol of the first communication interface 11 may include, but is not limited to: a CAN communication protocol or an RS485 communication protocol or a UART communication protocol.
Accordingly, the communication protocol of the second communication interface 12 may include, but is not limited to: TCP/IP protocol.
Preferably, the first transmission line may be composed of two cables, and the second transmission line may also be composed of two cables.
In the case where the first transmission line and the second transmission line are both composed of two cables, the first switch controller 15 may be a dual channel control switch, and the second switch controller 16 may be a dual channel control switch.
The communication protocol corresponding to the first communication interface 11 includes a CAN communication protocol or an RS485 communication protocol or a UART communication protocol, the communication protocol of the second communication interface 12 includes a TCP/IP protocol, and the first transmission line and the second transmission line are both implemented by two cables, and the line connection relationship of each component in the communication device CAN be seen in fig. 6. As shown in fig. 6, an interface corresponding to the RS485/CAN/UART protocol is a specific implementation of the first communication interface 11, the EMAC is a specific implementation of the second communication interface 12, a communication protocol used by the EMAC interface is a TCP/IP protocol, the MCU is a specific implementation of the processor 13, one of the two-channel control switches controls the second switch S2 and the third switch S3, the other two-channel control switch controls the first switch S1 and the fourth switch S4, and the interface in fig. 6 represents an interface of an external device.
As shown in fig. 6, the interface corresponding to the RS485/CAN protocol and the EMAC interface multiplex A, B, C, D four cables, and the peripheral identification signal line may multiplex an a cable, which may save 5 cables compared to a mode that four cables need to be deployed at the interface corresponding to the RS485/CAN/UART protocol, four cables need to be deployed at the EMAC interface, and one cable needs to be deployed at the peripheral identification.
Of course, the peripheral identification signal line is not limited to multiplexing the a cable, and may be multiplexing the B cable.
It should be noted that, when the first communication interface 11 uses the UART protocol, since the UART can perform data transmission only by 2 lines, the a and C cables may be multiplexed, or the B and D cables may be multiplexed, the EMAC interface may multiplex A, B, C, D four cables, and the peripheral identification signal line may multiplex the a cable or the B cable, which may save 3 cables compared to a mode that 2 cables need to be deployed at an interface corresponding to the UART protocol, four cables need to be deployed at the EMAC interface, and one cable needs to be deployed at the peripheral identification.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing the present application.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments of the present application.
The foregoing detailed description is directed to a communication device provided by the present application, and the principles and embodiments of the present application are described herein using specific examples, which are merely used to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (8)
1. A communication device, comprising: the device comprises a first communication interface, a second communication interface, a first switch, a second switch, a third switch and a fourth switch, wherein the communication protocol of the first communication interface is different from that of the second communication interface;
the output end of the first communication interface is connected with the first end point of the first transmission line through the first switch, and the input end of the first communication interface is connected with the first end of the second transmission line through the second switch;
the input end of the second communication interface is connected with the first end of the first transmission line through the third switch, and the output end of the second communication interface is connected with the first end of the second transmission line through the fourth switch;
the second end of the first transmission line is connected with an external output end;
the second end of the second transmission line is connected to an external input terminal.
2. The communication device of claim 1, further comprising: the processor, the peripheral identification interface and the fifth switch;
the input end of the peripheral identification interface is connected with the first end of the second transmission line through the fifth switch;
and the output end of the peripheral identification interface is connected with the processor.
3. The communication device of claim 2, further comprising: a first switch controller and a second switch controller;
the input end of the first switch controller is connected with the processor, and the output end of the first switch controller is connected with any two of the first switch, the second switch, the third switch and the fourth switch;
the input end of the second switch controller is connected with the processor, and the output end of the second switch controller is connected with two switches except for the two switches connected with the output end of the first switch controller, among the first switch, the second switch, the third switch and the fourth switch.
4. The communication device of claim 3, wherein an output of the first switch controller is connected to any two of the first switch, the second switch, the third switch, and the fourth switch, and comprises:
a first output end of the first switch controller is connected with the first switch, and a second output end of the first switch controller is connected with the second switch;
an input end of the second switch controller is connected to the processor, and an output end of the second switch controller is connected to two switches, except for two switches connected to an output end of the first switch controller, among the first switch, the second switch, the third switch, and the fourth switch, and includes:
and a first output end of the second switch controller is connected with the third switch, and a second output end of the second switch controller is connected with the fourth switch.
5. The communication device of claim 3, wherein an output of the first switch controller is connected to any two of the first switch, the second switch, the third switch, and the fourth switch, and comprises:
a first output end of the first switch controller is connected with the second switch, and a second output end of the first switch controller is connected with the third switch;
an input end of the second switch controller is connected to the processor, and an output end of the second switch controller is connected to two switches, except for two switches connected to an output end of the first switch controller, among the first switch, the second switch, the third switch, and the fourth switch, and includes:
and a first output end of the second switch controller is connected with the first switch, and a second output end of the second switch controller is connected with the fourth switch.
6. The communication device of claim 3, further comprising: a third switch controller;
the input end of the third switch controller is connected with the processor, and the output end of the third switch controller is connected with the fifth switch.
7. The communication device of any of claims 1-6, wherein the communication protocol of the first communication interface comprises: a CAN communication protocol or an RS485 communication protocol or a UART communication protocol;
the communication protocol of the second communication interface comprises: TCP/IP protocol.
8. The communication device according to any of claims 1-6, wherein the first transmission line consists of two cables;
the second transmission line is composed of two cables.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113641610A (en) * | 2021-06-30 | 2021-11-12 | 荣耀终端有限公司 | Processor interface circuit, time-sharing multiplexing method of processor interface and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113641610A (en) * | 2021-06-30 | 2021-11-12 | 荣耀终端有限公司 | Processor interface circuit, time-sharing multiplexing method of processor interface and electronic equipment |
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