CN110225053B - Common interface communication reconstruction device and communication control method - Google Patents
Common interface communication reconstruction device and communication control method Download PDFInfo
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- CN110225053B CN110225053B CN201910538450.9A CN201910538450A CN110225053B CN 110225053 B CN110225053 B CN 110225053B CN 201910538450 A CN201910538450 A CN 201910538450A CN 110225053 B CN110225053 B CN 110225053B
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Abstract
The invention relates to a shared interface communication reconstruction device and a communication control method, belongs to the field of application of communication interfaces, and solves the problems that the prior art has strict requirement on the number of external interfaces and is difficult to realize compatible use requirements on various different communication interfaces, and a controller respectively leads out different communication interfaces, so that the prior art has heavier weight, larger volume, higher price and the like. The device comprises a control module, an Ethernet communication branch, a 1553B communication branch, an RS422 communication branch and a gating switch; and the control module is used for identifying the communication form of the communication equipment connected with the external connector, controlling the gating switch to conduct the corresponding communication branch according to the identified communication form, and sending the received communication signal to the communication equipment connected with the external connector through the conducted corresponding communication branch. The effects of reducing the weight, the volume and the cost of the communication controller are achieved, and the compatible use requirements of various different communication interface devices are met.
Description
Technical Field
The present invention relates to the field of application technologies of communication interfaces, and in particular, to a shared interface communication reconfiguration device and a communication control method.
Background
With the development of electronic technology and the market demand, various communication interfaces are increasingly applied to automatic control equipment and monitoring systems in different fields, and meanwhile, the requirements of people on the communication interfaces are also increasingly high.
The communication protocol set by the communication interface is the convention of both communication parties, and makes a unified regulation on the problems of data format, synchronization mode, transmission speed, transmission step, error detection and correction mode, control character definition and the like, and both communication parties must obey together to realize the mutual communication between different devices and different systems. The communication protocol is reasonably applied to the development of new products, so that the design of the products is more flexible and the use is more convenient, the application range of the products can be expanded, and the market competitiveness of the products is enhanced.
In the application of communication interfaces at present, when the same controller is used for controlling devices with different communication interfaces, different communication interfaces are often led out from the controller respectively to meet the communication requirements of different communication devices, so that the weight, the volume and the price are heavier. For the situation that the requirement on the number of external interfaces is very strict, the compatible use requirements of various different communication interface devices are difficult to realize.
Disclosure of Invention
In view of the foregoing analysis, embodiments of the present invention provide a common interface communication reconfiguration device and a reconfiguration method thereof, so as to solve the problems that the prior art is difficult to implement compatible use requirements for multiple different communication interface devices, and the device has heavy weight, large volume, and high price.
The purpose of the invention is mainly realized by the following technical scheme:
a shared interface communication reconstruction device comprises a control module, an Ethernet communication branch, a 1553B communication branch, an RS422 communication branch and a gating switch;
the input end of the gating switch is respectively connected with the Ethernet communication branch, the 1553B communication branch and the RS422 communication branch, the output end of the gating switch is connected with a communication bus, and the communication bus is connected with an external connector;
the control module is used for identifying the communication form of the communication equipment connected with the external connector, controlling the gating switch to conduct the corresponding communication branch according to the identified communication form, and sending the received communication signal to the communication equipment connected with the external connector through the conducted corresponding communication branch.
On the basis of the scheme, the invention is further improved as follows:
further, the control module comprises a processor chip and an intelligent identification communication port module;
an Ethernet protocol controller, a memory bus interface and an RS422 protocol controller are arranged in the processor chip;
the processor chip is externally connected with pin interfaces of the Ethernet and RS422 physical layer device and is used for connecting corresponding pins of the Ethernet and RS422 physical layer device so as to receive input communication signals of Ethernet and RS422 protocols;
the processor chip is connected with a 1553B interface module through a memory bus interface and the outside to receive an input 1553B protocol communication signal;
the intelligent identification communication port module is used for identifying the communication form of the communication equipment connected with the external connector so as to transmit the received communication signals of the corresponding communication form to the communication equipment connected with the external connector through the conducted corresponding communication branch.
Further, the intelligent identification communication port module executes the following process to identify the communication form of the communication equipment connected with the external connector:
step 1, judging whether the communication rate of the communication equipment is greater than 50Mbps, and if so, identifying that the communication form is an Ethernet form; otherwise, entering step 2;
step 2, controlling the gating switch to gate the Ethernet communication branch, and sending own equipment information to the communication equipment in an Ethernet protocol format by the intelligent identification communication port module; if the reply information of the communication equipment is received within the preset waiting time, identifying that the communication form is an Ethernet form; otherwise, entering step 3;
step 4, controlling the gating switch to disconnect a 1553B communication branch and gate the RS422 communication branch; the intelligent identification communication port module sends own equipment information to the communication equipment in an RS422 protocol format, and if reply information of the communication equipment is received within preset waiting time, the communication form is identified to be the RS422 form; otherwise, controlling the gating switch to disconnect the RS422 communication branch and reporting error information to the processor chip.
Further, the 1553B communication branch comprises a 1553B interface module and an impedance adaptation module; one side of the impedance adaptation module is electrically connected with the 1553B interface module, and the other side of the impedance adaptation module is connected with the gating switch, and the impedance adaptation module is used for matching the line impedance of the 1553B interface module with the line impedance of the Ethernet branch circuit.
Further, the impedance adaptation module comprises three capacitance branches and three inductance branches; the three capacitor branches are connected in parallel between the differential positive and negative terminals connected with the impedance adaptation module and the gating switch; the three inductance branches are connected in series between a differential positive input end connected with the gating switch and a differential positive input end connected with the 1553B interface module;
two of the three capacitor branches are formed by connecting capacitors and electronic switches in series, and the other branch is only formed by the capacitors;
two of the three inductance branches are formed by connecting an inductor and a switch in parallel, and the other branch is formed by only the inductor.
Furthermore, the capacitance values of the capacitors are all 230 pf; the inductance value of the inductor is 1600 nh.
Further, the output interface of the gating switch comprises Ethernet, 1553B and RS422 communication interfaces; the three communication interfaces are arranged in a position relation with the starting end of the communication bus from high to low according to the communication speed, the communication interface with the highest communication speed is connected with the starting end of the communication bus, and the other two communication interfaces are arranged close to the starting end in sequence from high to low according to the communication speed.
Further, the communication rate is as follows from high to low: ethernet, 1553B, RS 422.
In another aspect, an embodiment of the present invention provides a method for performing communication control on a shared interface communication reconfiguration device, which specifically includes:
the control module is externally connected with pin interfaces of an Ethernet and RS422 physical layer device, is connected with corresponding pins of the Ethernet and RS422 physical layer device, and receives input communication signals of Ethernet and RS422 protocols;
the control module receives an input 1553B protocol communication signal through a memory bus interface and an external link 1553B interface module;
identifying the communication form of the communication equipment connected with the external connector, and controlling the gating switch to conduct the corresponding communication branch according to the identified communication form; and transmitting the received communication signals of the corresponding communication forms to the communication equipment connected with the external connector through the conducted corresponding communication branches.
Further, the communication form of the communication equipment connected with the external connector is identified, and the gating switch is controlled to conduct the corresponding communication branch according to the identified communication form; transmitting the received communication signals of the respective communication forms to the communication device connected to the external connector via the respective communication branches that are conducted, comprising the steps of:
step 1, judging whether the communication rate of the communication equipment is greater than 50Mbps, if so, identifying that the communication form is an Ethernet form, controlling a gating switch to conduct an Ethernet communication branch, and sending a received communication signal in the Ethernet communication form to the communication equipment connected with an external connector through the Ethernet communication branch; otherwise, entering step 2;
step 2, controlling the gating switch to gate the Ethernet communication branch, and sending own equipment information to the communication equipment in an Ethernet protocol format by the intelligent identification communication port module; if the reply information of the communication equipment is received within the preset waiting time, identifying that the communication form is an Ethernet form, and sending the received communication signal in the Ethernet communication form to the communication equipment connected with the external connector through an Ethernet communication branch; otherwise, entering step 3;
step 4, controlling the gating switch to disconnect a 1553B communication branch and gate the RS422 communication branch; the intelligent identification communication port module sends own equipment information to the communication equipment in an RS422 protocol format, if reply information of the communication equipment is received within preset waiting time, the identification communication form is the RS422 form, and a received communication signal in the RS422 communication form is sent to the communication equipment connected with the external connector through the RS422 communication branch; otherwise, controlling the gating switch to disconnect the RS422 communication branch.
Compared with the prior art, the invention can realize at least one of the following beneficial effects:
1. different communication equipment is intelligently adapted through a single communication interface, the compatible use requirements of various different communication interface equipment are met, the effect of more accurately extracting the information of the communication equipment is realized, and the cost is saved.
2. The control module meets the communication requirements of different communication equipment for connecting different communication interfaces through controlling different communication interfaces, realizes the effects of reducing the weight, the volume and the cost of the communication controller, and simultaneously realizes the compatible use requirements of various different communication interface equipment.
3. The impedance matching adjustment of different communication line impedances is realized through the impedance adapting module; the on-off of an electronic switch in the impedance adaptation module realizes the adjustment of matching parameters and simultaneously achieves the effect of using the state with the best signal quality as the normal working state.
4. The three communication interfaces are arranged in the position relation with the starting end of the communication bus from high to low according to the communication speed, so that the influence of line branches on the communication quality is avoided, the accuracy of system operation is improved, and the effect of outputting one communication interface is realized.
5. Simple structure and easy implementation.
In the invention, the technical schemes can be combined with each other to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.
Fig. 1 is a schematic structural diagram of a common interface communication reconfiguration device in an embodiment.
Fig. 2 is a circuit diagram of an impedance adaptation module in another embodiment.
Fig. 3 is a flowchart illustrating operation of the smart identification communication port module in another embodiment.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
The invention discloses a communication reconstruction device of a shared interface. As shown in fig. 1, the apparatus includes a control module, an ethernet communication branch, a 1553B communication branch, an RS422 communication branch, and a gating switch; the input end of the gating switch is respectively connected with the Ethernet communication branch, the 1553B communication branch and the RS422 communication branch, the output end of the gating switch is connected with a communication bus, and an external connector is connected to the communication bus; and the control module is used for identifying the communication form of the communication equipment connected with the external connector, controlling the gating switch to conduct the corresponding communication branch according to the identified communication form, and sending the received communication signal to the communication equipment connected with the external connector through the conducted corresponding communication branch.
Compared with the prior art, the common interface communication reconfiguration device provided by the embodiment avoids the influence of line branches on the communication quality through intelligent identification, improves the accuracy of system operation, and realizes the effect of outputting one-way communication interfaces. The control module is adopted to control different communication interfaces, so that the communication requirements of different communication devices for connecting different communication interfaces are met, the effects of reducing the weight, the volume and the cost of the communication controller are achieved, and the compatible use requirements of various different communication interface devices are met.
It should be noted that the number of interface pins of the ethernet, 1553B and RS422 are the same, and all the interface pins are in the form of differential pairs, and are suitable for being connected in parallel to realize the reconfiguration function.
Preferably, the control module comprises a processor chip and a smart identification communication port module; an Ethernet protocol controller, a memory bus interface and an RS422 protocol controller are arranged in the processor chip; the processor chip is externally connected with pin interfaces of the Ethernet and RS422 physical layer device and is used for connecting corresponding pins of the Ethernet and RS422 physical layer device so as to receive input communication signals of Ethernet and RS422 protocols; the processor chip is connected with a 1553B interface module through a memory bus interface and the outside to receive an input 1553B protocol communication signal; and the intelligent identification communication port module is used for identifying the communication form of the communication equipment connected with the external connector so as to transmit the received communication signal in the corresponding communication form to the communication equipment connected with the external connector through the conducted corresponding communication branch.
The purposes of generating communication protocols (including Ethernet protocols, 1553B protocols and RS422 protocols) and controlling communication processes are achieved through the matching of the processor chip in the control module and the intelligent identification communication port module.
Preferably, the smart identification communication port module executes the following process to identify the communication form of the communication device connected to the external connector:
step 1, judging whether the communication rate of the communication equipment is greater than 50Mbps, and if so, identifying that the communication form is an Ethernet form; otherwise, entering step 2;
step 2, controlling the gating switch to gate the Ethernet communication branch, and sending own equipment information to the communication equipment in an Ethernet protocol format by the intelligent identification communication port module; if the reply information of the communication equipment is received within the preset waiting time, identifying that the communication form is an Ethernet form; otherwise, entering step 3;
step 4, controlling the gating switch to disconnect a 1553B communication branch and gate the RS422 communication branch; the intelligent identification communication port module sends own equipment information to the communication equipment in an RS422 protocol format, and if reply information of the communication equipment is received within preset waiting time, the communication form is identified to be the RS422 form; otherwise, controlling the gating switch to disconnect the RS422 communication branch and reporting error information to the processor chip.
The intelligent identification communication port module is adopted to identify the communication rate and the communication content of the communication data, so that the effect of determining the communication form of the communication equipment is realized, and the intelligence of interface gating is improved.
Preferably, the 1553B communication branch comprises a 1553B interface module and an impedance adapting module; one side of the impedance adaptation module is connected with the 1553B interface module, and the other side of the impedance adaptation module is connected with the gating switch, and the impedance adaptation module is used for matching the line impedance of the 1553B interface module with the line impedance of the Ethernet branch circuit.
In order to solve the problem that the quality of a communication signal is reduced due to signal distortion caused by the fact that an 80-ohm impedance line of 1553B communication and an Ethernet 100-ohm impedance line are shared together, an impedance adaptation module is connected between a 1553B interface module and a gating switch, the transmission quality of communication data is improved, and matching adjustment of impedances of different communication lines is achieved.
Specifically, as shown in fig. 2, the impedance adapting module includes three capacitance branches and three inductance branches; the three capacitor branches are connected in parallel between the differential positive and negative terminals connected with the impedance adaptation module and the gating switch; the three inductance branches are connected in series between a differential positive input end connected with the gating switch and a differential positive input end connected with the 1553B interface module; two of the three capacitor branches are formed by connecting capacitors and electronic switches in series, and the other branch is only formed by the capacitors; two of the three inductance branches are formed by connecting an inductor and a switch in parallel, and the other branch is formed by only the inductor.
The control module controls the on-off state of the electronic switch, so that the problem of poor signal quality caused by the fact that the impedance value of the circuit changes due to the influence of external factors on the circuit is avoided, and the effect of using the state with the best signal quality as a normal working state is achieved.
Preferably, the capacitance values of the capacitors are 230 pf; the inductance value of the inductor is 1600 nh. Through the matching of the capacitive reactance and the inductive reactance, the matching of the impedances at the two sides of the impedance adaptation module is completed, and the matching adjustment of the impedances of different communication lines is realized.
In specific implementation, a differential signal is arranged between the right side E and the right side F of the impedance adaptation module, a physical layer signal of the 1553B interface module is connected, and the impedance is 80 ohms; the impedance adaption module is also a differential signal between the left side A and the left side B, is connected to the electronic switch module, and has 100 ohms of impedance. The default electronic switches K1 and K2 are in an off state when the equipment is powered on, the electronic switches K3 and K4 are in an on state, only the capacitor C3 and the inductor L3 in the impedance adapting module are switched on, and the capacitor and the inductor respectively have capacitive reactance and inductive reactance and can just match the difference of impedance values of the left end and the right end. For example, although the EF side of the module is 80 ohms, the AB side, through the effect of capacitance and inductance, is seen to be exactly 100 ohms; similarly, the AB side of the module is 100 ohms, but through the effect of capacitance and inductance, it is exactly 80 ohms when viewed from the EF side. In order to prevent the circuit from being affected by external factors, such as process deviation of manufacturing a circuit board, damage caused by long-time use of the circuit and the like, 16 states of the four electronic switches can be tried through the control module, and the state with the best signal quality is selected as a normal working state for use.
Preferably, the output interface of the gating switch comprises Ethernet, 1553B and RS422 communication interfaces; the three communication interfaces are arranged in a position relation with the starting end of the communication bus from high to low according to the communication speed, the communication interface with the highest communication speed is connected with the starting end of the communication bus, and the other two communication interfaces are arranged close to the starting end in sequence from high to low according to the communication speed, so that the influence of line branches on the signal quality is avoided, and the communication process is relatively stable; the communication rate is as follows from high to low: ethernet, 1553B, RS 422.
The gating switch may be an electromagnetic relay, a solid state relay, or other functionally similar device. The control module controls the connection and disconnection of various interfaces connected to the gating switch, and finally the effect of outputting one path of communication interface is achieved.
Those skilled in the art will appreciate that the selection and parameters of each component in the circuit are calculated via simulation.
In another embodiment of the present invention, as shown in fig. 3, a method for performing communication control by a shared interface communication reconfiguration device is provided, which includes the following steps: the control module is externally connected with pin interfaces of the Ethernet and RS422 physical layer device, is connected with corresponding pins of the Ethernet and RS422 physical layer device, and receives input communication signals of Ethernet and RS422 protocols; the control module receives an input 1553B protocol communication signal through a memory bus interface and an external link 1553B interface module; identifying the communication form of the communication equipment connected with the external connector, and controlling the gating switch to conduct the corresponding communication branch according to the identified communication form; and transmitting the received communication signals of the corresponding communication forms to the communication equipment connected with the external connector through the conducted corresponding communication branches.
The principles of operation of the present invention may be further understood with reference to the following specific examples.
Identifying the communication form of the communication equipment connected with the external connector, and controlling the gating switch to conduct the corresponding communication branch according to the identified communication form; transmitting the received communication signals of the respective communication forms to the communication device connected to the external connector via the respective communication branches that are conducted, comprising the steps of:
step 1, judging whether the communication rate of the communication equipment is greater than 50Mbps, if so, identifying that the communication form is an Ethernet form, controlling a gating switch to conduct an Ethernet communication branch, and sending a received communication signal in the Ethernet communication form to the communication equipment connected with an external connector through the Ethernet communication branch; otherwise, entering step 2;
step 2, controlling the gating switch to gate the Ethernet communication branch, and sending own equipment information to the communication equipment in an Ethernet protocol format by the intelligent identification communication port module; if the reply information of the communication equipment is received within the preset waiting time, identifying that the communication form is an Ethernet form, and sending the received communication signal in the Ethernet communication form to the communication equipment connected with the external connector through an Ethernet communication branch; otherwise, entering step 3;
step 4, controlling the gating switch to disconnect a 1553B communication branch and gate the RS422 communication branch; the intelligent identification communication port module sends own equipment information to the communication equipment in an RS422 protocol format, if reply information of the communication equipment is received within preset waiting time, the identification communication form is the RS422 form, and a received communication signal in the RS422 communication form is sent to the communication equipment connected with the external connector through the RS422 communication branch; otherwise, controlling the gating switch to disconnect the RS422 communication branch.
The beneficial effects achieved by the above embodiments are as follows: the defects of heavy weight, large volume, high price and the like caused by a plurality of communication interfaces are overcome. The compatible use requirements of various different communication interface devices are realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (8)
1. A shared interface communication reconstruction device is characterized by comprising a control module, an Ethernet communication branch, a 1553B communication branch, an RS422 communication branch and a gating switch;
the input end of the gating switch is respectively connected with the Ethernet communication branch, the 1553B communication branch and the RS422 communication branch, the output end of the gating switch is connected with a communication bus, and the communication bus is connected with an external connector;
the control module is used for identifying the communication form of the communication equipment connected with the external connector, controlling the gating switch to conduct the corresponding communication branch according to the identified communication form, and sending the received communication signal to the communication equipment connected with the external connector through the conducted corresponding communication branch;
the control module comprises a processor chip and an intelligent identification communication port module; the processor chip internally comprises an Ethernet protocol controller and an RS422 protocol controller and is provided with a memory bus interface;
the processor chip is externally connected with pin interfaces of the Ethernet and RS422 physical layer device and is used for connecting corresponding pins of the Ethernet and RS422 physical layer device so as to receive input communication signals of Ethernet and RS422 protocols;
the processor chip is connected with the 1553B interface module through a memory bus interface to receive an input 1553B protocol communication signal;
the intelligent identification communication port module is used for identifying the communication form of the communication equipment connected with the external connector so as to transmit the received communication signal in the corresponding communication form to the communication equipment connected with the external connector through the conducted corresponding communication branch;
the intelligent identification communication port module executes the following process to identify the communication form of the communication equipment connected with the external connector:
step 1, judging whether the communication rate of the communication equipment is greater than 50Mbps, and if so, identifying that the communication form is an Ethernet form; otherwise, entering step 2;
step 2, controlling the gating switch to gate the Ethernet communication branch, and sending own equipment information to the communication equipment in an Ethernet protocol format by the intelligent identification communication port module; if the reply information of the communication equipment is received within the preset waiting time, identifying that the communication form is an Ethernet form; otherwise, entering step 3;
step 3, controlling a gating switch to disconnect the Ethernet communication branch and gate a 1553B communication branch; the intelligent identification communication port module sends own equipment information to the communication equipment in a 1553B protocol format, and if reply information of the communication equipment is received within preset waiting time, the communication form is identified to be a 1553B form; otherwise, entering step 4;
step 4, controlling the gating switch to disconnect a 1553B communication branch and gate the RS422 communication branch; the intelligent identification communication port module sends own equipment information to the communication equipment in an RS422 protocol format, and if reply information of the communication equipment is received within preset waiting time, the communication form is identified to be the RS422 form; otherwise, controlling the gating switch to disconnect the RS422 communication branch and reporting error information to the processor chip.
2. The common interface communication reconfiguration device according to claim 1, wherein said 1553B communication leg comprises a 1553B interface module and an impedance adaptation module; one side of the impedance adaptation module is connected with the 1553B interface module, and the other side of the impedance adaptation module is connected with the gating switch, and the impedance adaptation module is used for matching the line impedance of the 1553B interface module with the line impedance of the Ethernet branch circuit.
3. The common interface communication reconfiguration device according to claim 2, wherein said impedance adaptation module comprises three capacitive branches and three inductive branches; the three capacitor branches are connected in parallel between the differential positive and negative terminals connected with the impedance adaptation module and the gating switch; the three inductance branches are connected in series between a differential positive input end connected with the gating switch and a differential positive input end connected with the 1553B interface module;
two of the three capacitor branches are formed by connecting capacitors and electronic switches in series, and the other branch is only formed by the capacitors;
two of the three inductance branches are formed by connecting an inductor and a switch in parallel, and the other branch is formed by only the inductor.
4. The common interface communication reconfiguration device according to claim 3, wherein said capacitors have capacitance values of 230 pf; the inductance value of the inductor is 1600 nh.
5. The common interface communication reconfiguration device according to claim 1, wherein the output interface of said gating switch comprises ethernet, 1553B and RS422 communication interfaces; the three communication interfaces are arranged in a position relation with the starting end of the communication bus from high to low according to the communication speed, the communication interface with the highest communication speed is connected with the starting end of the communication bus, and the other two communication interfaces are arranged close to the starting end in sequence from high to low according to the communication speed.
6. The common interface communication reconfiguration device according to claim 1, wherein the communication rate is, in order from high to low: ethernet, 1553B, RS 422.
7. A method for performing communication control using the common interface communication reconfiguration device according to any one of claims 1 to 6, comprising the steps of:
the control module is externally connected with pin interfaces of an Ethernet and RS422 physical layer device, is connected with corresponding pins of the Ethernet and RS422 physical layer device, and receives input communication signals of Ethernet and RS422 protocols;
the control module receives an input 1553B protocol communication signal through a memory bus interface and an external link 1553B interface module;
identifying the communication form of the communication equipment connected with the external connector, and controlling the gating switch to conduct the corresponding communication branch according to the identified communication form; and transmitting the received communication signals of the corresponding communication forms to the communication equipment connected with the external connector through the conducted corresponding communication branches.
8. The method of communication control according to claim 7, wherein: the communication form of the communication equipment connected with the external connector is identified, and the gating switch is controlled to conduct the corresponding communication branch according to the identified communication form; transmitting the received communication signals of the respective communication forms to the communication device connected to the external connector via the respective communication branches that are conducted, comprising the steps of:
step 1, judging whether the communication rate of the communication equipment is greater than 50Mbps, if so, identifying that the communication form is an Ethernet form, controlling a gating switch to conduct an Ethernet communication branch, and sending a received communication signal in the Ethernet communication form to the communication equipment connected with an external connector through the Ethernet communication branch; otherwise, entering step 2;
step 2, controlling the gating switch to gate the Ethernet communication branch, and sending own equipment information to the communication equipment in an Ethernet protocol format by the intelligent identification communication port module; if the reply information of the communication equipment is received within the preset waiting time, identifying that the communication form is an Ethernet form, and sending the received communication signal in the Ethernet communication form to the communication equipment connected with the external connector through an Ethernet communication branch; otherwise, entering step 3;
step 3, controlling a gating switch to disconnect the Ethernet communication branch and gate a 1553B communication branch; the intelligent identification communication port module sends own equipment information to the communication equipment in a 1553B protocol format, if reply information of the communication equipment is received within preset waiting time, the communication form is identified to be a 1553B form, and the received communication signal in the 1553B communication form is sent to the communication equipment connected with the external connector through a 1553B communication branch; otherwise, entering step 4;
step 4, controlling the gating switch to disconnect a 1553B communication branch and gate the RS422 communication branch; the intelligent identification communication port module sends own equipment information to the communication equipment in an RS422 protocol format, if reply information of the communication equipment is received within preset waiting time, the identification communication form is the RS422 form, and a received communication signal in the RS422 communication form is sent to the communication equipment connected with the external connector through the RS422 communication branch; otherwise, controlling the gating switch to disconnect the RS422 communication branch.
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| CN104484303A (en) * | 2014-12-09 | 2015-04-01 | 中国航空工业集团公司第六三一研究所 | 1553B node circuit based on SoC (system on a chip) chip |
| CN106603430A (en) * | 2016-11-16 | 2017-04-26 | 上海无线电设备研究所 | SOPC-based general data communication interface integration method |
| CN106815157A (en) * | 2016-12-20 | 2017-06-09 | 北京旋极信息技术股份有限公司 | A kind of data acquisition module and data collecting system |
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| CN110225053A (en) | 2019-09-10 |
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