CN112486877A - Outfield guarantee and test platform of universal FC conversion interface module - Google Patents
Outfield guarantee and test platform of universal FC conversion interface module Download PDFInfo
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Abstract
The invention discloses an outfield guarantee and test platform of a generalized FC conversion interface module, which comprises: the platform comprises a platform mother board, a platform structural member and a transfer board; the motherboard includes: the device comprises an external interface unit, a general interface unit, an FC interface unit, an optical power detection unit, a processor and a processor circuit; the adapter plate is connected with the universal interface connector of the universal interface unit, the FC conversion interface module is inserted into the adapter plate, and the universal interface signal of the FC conversion interface module is butted with the universal interface signal provided by the platform through the adapter plate; the platform executes communication test through the general interface unit and the FC interface unit, and executes optical power test through the optical power detection unit; the communication test comprises the following steps: a two-way transmission test and a one-way transmission test. The invention solves the problems that the function of an external field guarantee platform is single, no relevant test means exists, and the requirements of upgrading and testing functions of products in an external field cannot be met in the conventional offline upgrading mode of FC conversion interface module products.
Description
The technical field is as follows:
the present invention relates to, but not limited to, computer hardware technologies, and in particular, to an outfield security and testing platform for a generalized FC conversion interface module.
Background art:
with the rapid development of an onboard Fiber Channel (FC) network, FC conversion interface module products are developed and used in large quantities, which internally provide a universal interface (such as Camlink, LVDS, CAN, RS422, RS485, etc.) for connecting with an internal interface of each subsystem, and externally provide an optical interface for connecting with the FC network. According to the application requirements of different subsystems, the corresponding FC conversion interface module can realize the real-time data forwarding and protocol conversion of the related general interface and FC interface.
With the increasing delivery and use amount of FC conversion interface module products and the perfection and upgrade of the technical state of the products, the FC conversion interface module products need to be upgraded off-line in the field, and an environment and means for testing the relevant interfaces and functions of the products need to be provided.
The traditional outfield security equipment aiming at FC conversion interface module products generally only provides a module power-on function, products are removed from a subsystem and then are subjected to offline upgrade through external power-on, and then the products are installed back to the subsystem to verify the correctness of the product interfaces and functions through system level test. If the product has a fault, an effective offline test means cannot be provided, and the universal interface, the FC interface and the data conversion function of the product cannot be tested and verified through a related test platform under the condition of an external field.
The invention content is as follows:
the purpose of the invention is: the embodiment of the invention provides an outfield security and test platform of a generalized FC conversion interface module, which aims to solve the problems that in the existing offline upgrade mode of FC conversion interface module products, the outfield security platform has single function and no related test means, and cannot meet the requirements of upgrading and testing functions of products in an outfield.
The technical scheme of the invention is as follows: the embodiment of the invention provides an external field guarantee and test platform of a generalized FC conversion interface module, which is characterized by comprising the following components: the platform comprises a platform mother board, a platform structural member and a transfer board;
wherein, the platform mother board sets up in the top of platform structure spare, through the fixed platform mother board of platform structure spare, the platform mother board includes: the device comprises an external interface unit, a general interface unit, an FC interface unit, an optical power detection unit, a processor and a processor circuit;
the adapter plate is connected with a universal interface connector of a universal interface unit in the platform motherboard, and an FC conversion interface module is inserted in the adapter plate and is used for butting a universal interface signal of the FC conversion interface module with a universal interface signal provided by the platform through the adapter plate;
the outfield protection and test platform is used for executing communication test through the general interface unit and the FC interface unit and executing optical power test through the optical power detection unit; wherein, the communication test includes: a two-way transmission test and a one-way transmission test.
Optionally, in the external field security and testing platform of the generalized FC conversion interface module as described above,
the platform motherboard is used for providing an external power interface, a JTAG interface, an optical port and a serial port through an external interface unit;
the power interface is used for converting an external 220V power supply into a power supply of the platform, monitoring the working current of the platform in real time and supplying power to the platform motherboard and the FC conversion interface module;
the JTAG interface is connected with the universal interface connector and is interconnected with JTAG signals on the adapter plate through the universal interface connector, so that JTAG signals in the FC conversion interface module are led out to the JTAG interface through the adapter plate and the universal interface connector, and the FC conversion interface module is upgraded through the JTAG interface;
the optical port is an external optical communication interface of an FC interface unit configured on the platform motherboard, and the optical port is connected with an optical communication interface of the FC conversion interface module through an optical fiber connected to the FC conversion interface module;
the serial port is connected with the computer and used for displaying the test program and the test result running on the processor in real time through the computer.
Optionally, in the external field security and testing platform of the generalized FC conversion interface module as described above,
the universal interface unit of the platform motherboard includes: the FPGA, the universal interface board connector, the transceiver, the protocol processor and the driver;
the FPGA in the universal interface unit is used for obtaining a universal interface through standard IP core instantiation, and the universal interface comprises a Camlink interface, an LVDS interface, a CAN interface, an RS422 interface and an RS485 interface;
the universal interface unit is used for interconnecting signals of corresponding interfaces with the universal interface connector through the transceiver, the protocol processing chip and the driver so as to be adapted with FC conversion interface modules of different types through the adapter plate;
and a universal interface is reserved between the FPGA and the universal interface connector and is used for forming different types of universal interfaces by filling different FPGA logics, so that the adaption of various types of FC conversion interface modules is realized.
Optionally, in the external field security and testing platform of the generalized FC conversion interface module as described above,
the FC interface unit of the platform motherboard includes: the optical fiber communication system comprises an FC interface obtained by an FPGA through standard IP core instantiation, and a photoelectric transceiver respectively connected with the FC interface and an optical port;
the FC interface unit is used for performing photoelectric conversion on an electric signal of the FC interface through the photoelectric transceiver, transmitting an output optical signal to the optical port, and realizing interconnection of the FC interface unit and the optical signal of the FC conversion interface module through the optical fiber connected with the FC conversion interface module through the optical port.
The FC interface unit functionally simulates a standard FC node machine so as to realize point-to-point interconnection and communication test with a tested FC conversion interface module and a simulated FC node machine; in the testing process, a built-in processor in the FPGA is used for carrying out communication management, buffer management and data comparison on the FC interface, and an FC receiving buffer area and an FC sending buffer area are arranged in the FPGA so as to realize the point-to-point FC transmission testing function of the tested FC conversion interface module.
Optionally, in the external field security and testing platform of the generalized FC conversion interface module as described above,
the optical power detection unit of the platform motherboard includes: an optical interface (with an optical power detection function) in the external interface unit, an IIC interface obtained by FPGA through standard IP core instantiation, and a photoelectric transceiver; the output optical power of the FC conversion interface module can be detected in an external field environment.
The IIC interface is connected with an IIC interface in the photoelectric transceiver with the diagnosis function, a processor in the FPGA accesses the value of a register inside the photoelectric transceiver through the IIC interface, the value is converted by the processor to detect the optical power of the received optical signal, and the optical signal is printed in real time through a serial port.
Optionally, in the external field security and testing platform of the generalized FC conversion interface module as described above,
the processor and the processor circuit of the platform motherboard are provided with: the FPGA test system comprises a processor built in the FPGA, a storage circuit, a clock circuit and a reset circuit, wherein the processor and the processor circuit in the external field guarantee and test platform execute the following operations:
1) selecting data conversion between a specified type of general interface and an FC interface to test;
2) initializing and managing a universal interface to be tested;
3) organizing general interface data and FC interface data of types to be tested;
4) performing equipment management and communication management on the FC conversion interface module to be tested;
5) comparing result data after the data conversion and communication test and printing a test result;
6) and reading, calculating and outputting the received optical power detection result.
Optionally, in the external field guarantee and test platform of the generalized FC conversion interface module, the external field guarantee and test platform is divided according to the type of the FC conversion interface module, and supports bidirectional transmission tests of the CAN interface < - > FC interface, the RS422 interface < - > FC interface, and the RS485 interface < - > FC interface, and supports unidirectional transmission tests of the Camlink interface- > FC interface and the LVDS interface- > FC interface;
the outfield security and test platform executes communication test, including: the method comprises the steps that data conversion of a specified type of universal interface and an FC interface is tested through serial port input selection, FPGA is configured universally, an internal processor executes communication management on the universal interface and the FC interface by running a test program, and executes data organization and data comparison work of an interface receiving/sending buffer area corresponding to the interface, an FC receiving buffer area and an FC sending buffer area.
Optionally, in the external field security and testing platform of the generalized FC conversion interface module as described above,
the outfield security and test platform executes bidirectional transmission test, including: a general interface sending test and an FC interface sending test;
wherein, the universal interface sends the test to include: the processor writes data to be sent into a sending buffer area corresponding to the general interface of the specified type, sends the data to the FC conversion interface module through the general interface of the specified type, writes FC messages converted by the FC conversion interface module into an FC receiving buffer area after being received by an FC interface of the test platform, reads the data received by the FC interface and compares the data with the sent data to give a test result;
and (3) sending test by the FC interface: the processor writes data to be sent into an FC sending buffer area and sends the data to an FC conversion interface module through an FC interface, general interface data converted by the FC conversion receiving module is received by a general interface of a specified type in the test platform and then written into a receiving buffer area corresponding to the general interface of the specified type, and the processor reads the data received by the general interface of the specified type and compares the data with the sent data to give a test result.
Optionally, in the external field security and testing platform of the generalized FC conversion interface module as described above,
the outfield security and test platform executes unidirectional transmission test, which comprises: the FPGA generates test data according to a predefined data format and time sequence relation, the test data is sent out through a Camlink interface or an LVDS interface, FC messages converted by the FC conversion interface module are written into an FC receiving buffer area after being received by an FC interface of the test platform, and the processor reads data received by the FC interface and compares the data with the sent data to give a test result.
The invention has the advantages that:
the outfield guarantee and test platform of the generalized FC conversion interface module provided by the embodiment of the invention supports various FC conversion interface module products with universal interfaces such as Camlink, LVDS, CAN, RS422, RS485 and the like, and CAN conveniently complete the relevant work of module upgrade guarantee and interface and function test based on the platform in the outfield; the test platform is designed based on an SOPC framework by adopting an FPGA with an embedded processor core, and provides a power supply interface, a JTAG interface, an optical interface and a serial port. The outfield protection and test platform has the following advantages:
(1) the operation is convenient: the power-on, upgrading and testing operation of the FC conversion interface module can be realized by a single external field guarantee and test platform;
(2) simulation and adaptation of various universal interfaces: various universal interfaces such as Camlink, LVDS, CAN, RS422, RS485 and the like are realized, and the adapter board CAN be used for realizing the adaptation with different conversion interface modules;
(3) simulation of the FC interface: aiming at the point-to-point communication test of the FC interface of the module to be tested, an FC simulation card or an FC node machine environment matched with an external embedded CPU environment does not need to be additionally constructed, the FC interface is designed through FPGA logic, and an FC optical interface is externally provided through photoelectric conversion so as to simulate an FC external node to realize the point-to-point test with the FC interface of the module to be tested;
(4) optical power detection function: the transmitting optical power of the FC conversion interface module to be detected can be detected and printed through a serial port, so that a means is provided for diagnosing the characteristics of a transmitting optical link;
(5) automated testing: the receiving and sending control and data comparison test of each universal interface and FC interface are realized by an FPGA built-in processor core, the data conversion test of which universal interface and FC interface can be selected through a serial port, and the test result is printed through the serial port;
(6) the framework is simple: the SOPC framework based on the FPGA is designed, and a CPU module does not need to be provided independently for detection;
(7) the expansibility is good: by reserving universal serial interface signals between the FPGA and the multi-core high-speed inter-board connector, various universal serial interfaces can be realized by filling different FPGA logics, and further, the adaptation of various different FC conversion interface modules is realized, and related test functions can be improved and perfected by upgrading logics and software.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic diagram of a usage structure of an external field security and test platform of a generalized FC conversion interface module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a principle of an external field guarantee and test platform of a generalized FC conversion interface module according to an embodiment of the present invention.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
Aiming at the problems of single function and no related test means of an outfield guarantee platform and incapability of meeting the requirements of upgrading and testing functions of products in an outfield in the prior art for an offline upgrading mode of FC conversion interface module products, the outfield guarantee and test platform of the generalized FC conversion interface module is innovatively provided, and supports various FC conversion interface module products with universal interfaces such as Camlink, LVDS, CAN, RS422, RS485 and the like to conveniently complete module upgrading guarantee and related work of interface and function test based on the platform in the outfield.
The embodiment of the invention particularly relates to an external field guarantee and test platform aiming at an FC conversion interface module in a test system and a design method.
The following specific embodiments of the present invention may be combined, and the same or similar concepts or processes may not be described in detail in some embodiments.
Fig. 1 is a schematic view of a usage structure of an external field guarantee and test platform of a generalized FC conversion interface module according to an embodiment of the present invention, and fig. 2 is a schematic view of a principle structure of an external field guarantee and test platform of a generalized FC conversion interface module according to an embodiment of the present invention.
Referring to fig. 1 and fig. 2, an external field guarantee and test platform of a generic FC conversion interface module according to an embodiment of the present invention may include: platform motherboard, platform structure spare and keysets.
The platform motherboard in the embodiment of the invention is arranged above the platform structural member, and the platform motherboard is fixed through the platform structural member; the platform motherboard comprises an external interface unit, a general interface unit, an FC interface unit, an optical power detection unit, a processor and a processor circuit.
The adapter plate in the embodiment of the invention is connected with the universal interface connector of the universal interface unit in the platform motherboard, and the FC conversion interface module is inserted into the adapter plate and is used for butting the universal interface signal of the FC conversion interface module with the universal interface signal provided by the platform through the adapter plate.
The outfield security and test platform provided by the embodiment of the invention is based on the hardware structure, can execute communication test through the universal interface unit and the FC interface unit, and execute optical power test through the optical power detection unit; wherein, the communication test includes: a two-way transmission test and a one-way transmission test.
The specific structures and functions of the motherboard, the structural member and the adapter plate of the platform according to the embodiment of the present invention will be described in detail below.
(1) External interface unit
The platform motherboard of the external field guarantee and test platform provides a power supply interface, a JTAG interface, an optical port and a serial port through the external interface unit. The power interface realizes the functions of external 220V mains supply power supply, power conversion and current monitoring, and provides a power supply function for the platform motherboard and the module to be tested (namely an FC interface module); the JTAG interface is connected with the universal interface connector and is interconnected with related JTAG signals on the adapter plate through the universal interface connector, so that JTAG signals in the FC conversion interface module are led out to the JTAG interface through the adapter plate and the universal interface connector, and the FC conversion interface module is conveniently upgraded through the JTAG interface; the optical port is an external optical communication interface of an FC interface unit designed based on FPGA (field programmable gate array) and configured on a test platform motherboard, and can realize interconnection with an optical communication interface of the FC conversion interface module, communication test and optical power detection through an optical fiber connected to the FC conversion interface module; the serial port is connected with the computer to realize the real-time display function of the test program running on the processor and the related test result.
(2) Universal interface unit
The platform motherboard of outfield security and test platform still provides multicore high-speed inter-board universal interface connector, and this universal interface unit can include: the FPGA, the universal interface board connector, the transceiver, the protocol processor and the driver. The FPGA obtains a universal interface through standard IP core instantiation, and the universal interface comprises universal interface functions such as a Camlink interface, an LVDS interface, a CAN interface, an RS422 interface, an RS485 interface and the like.
The universal interface unit can realize signal interconnection between signals of corresponding interfaces and a connector between the multi-core high-speed boards through a transceiver, a protocol processing chip and a driver, and can realize adaptation with different types of FC interface conversion modules through a switching board; in a specific implementation mode, a universal interface signal is reserved between the FPGA and the multi-core high-speed inter-board connector, and various types of universal interfaces can be realized by filling different FPGA logics, so that the adaptation of various different types of FC conversion interface modules is realized.
By adopting the outfield support and test platform provided by the embodiment of the invention, in the test process, the communication management, the buffer management and the data comparison of the universal interface are realized by the built-in processor of the FPGA, and the receiving/sending buffer area of the universal interface is designed in the FPGA so as to realize the transmission test function of the universal interface of the tested FC conversion interface module.
(3) FC interface unit
Realize 1 way FC interface unit based on FPGA design, this FC interface unit includes: FC interface obtained by FPGA through standard IP core and photoelectric transceiver connected with FC interface and optical port. The FC interface unit in the embodiment of the invention can realize photoelectric conversion of an electric signal of the FC interface through the photoelectric transceiver, transmit an output optical signal to the optical port, and realize interconnection of the optical signal of the FC interface unit and the FC conversion interface module through the optical fiber connected with the FC conversion interface module through the optical port.
The FC interface unit on the FPGA is realized based on FC IP design, and the FC interface unit functionally simulates a standard FC node machine so as to realize point-to-point interconnection and communication test with a tested FC conversion interface module and a simulated FC node machine; in the testing process, the communication management, the buffer management and the data comparison of the FC interface are realized by a processor arranged in the FPGA, and an FC receiving buffer area and an FC sending buffer area are arranged in the FPGA so as to realize the point-to-point FC transmission testing function of the tested FC conversion interface module.
(4) Optical power detection unit
The attenuation of the output optical signal of the FC conversion interface module is a typical failure mode, an external field guarantee and test platform optical port has an optical power detection function, and the output optical power of a tested module can be detected in an external field environment.
The optical power detection unit in the embodiment of the invention comprises: an optical interface (with an optical power detection function) in the external interface unit, an IIC interface obtained by FPGA through standard IP core instantiation, and a photoelectric transceiver; the output optical power of the FC conversion interface module can be detected in an external field environment. An IIC interface is designed on an FPGA of a test platform motherboard and connected with an IIC interface in a photoelectric transceiver with a diagnosis function, a processor in the FPGA accesses values of relevant registers inside the photoelectric transceiver through the IIC interface, and the received optical signals can be subjected to optical power detection through conversion of the processor, and are printed in real time through a serial port.
(5) Processor and processor-related circuit
Based on built-in treater and the treater circuit of FPGA specifically includes: the FPGA built-in processor, a related storage circuit, a clock circuit and a reset circuit construct an FC conversion interface module external field guarantee and test platform under an SOPC framework, and the following functions are realized through the processor and the processor circuit:
1) selecting which type of universal interface is tested with the data conversion of the FC interface;
2) initializing and managing a universal interface to be tested;
3) organizing general interface data and FC interface data of types to be tested;
4) performing equipment management and communication management on the FC conversion interface module to be tested;
5) comparing result data after the data conversion and communication test and printing a test result;
6) and reading, calculating and outputting the received optical power detection result.
(6) Communication test mode
The outfield security and test platform supports the following steps according to the type of the FC conversion interface module: the bidirectional transmission test of CAN < - > FC, RS422< - > FC and RS485< - > FC, and supports: and testing the unidirectional transmission of Camlink- > FC and LVDS- > FC.
This implementation mode of outfield guarantee and test platform execution communication test includes: the data conversion of which general interface and FC interface can be selected through the serial ports to test, the FPGA design realizes the general interface and the FC external interface, the FPGA internally designed general interface receives/sends buffer and FC receives buffer and FC sends buffer, and the embedded processor kernel runs a test program to realize the communication management, data organization and data comparison work of the general interface and the FC interface.
Aiming at the bidirectional transmission test, the processor writes data to be sent into a general interface sending buffer area and sends the data to an FC conversion interface module through a corresponding general interface, FC messages converted by the FC conversion interface module are received by a test platform FC interface and then written into an FC receiving buffer area, and the processor reads the data received by the FC interface and compares the data with the sent data to give a test result; meanwhile, the kernel of the processor writes data to be sent into an FC sending buffer area and sends the data to an FC conversion interface module through an FC interface, the general interface data converted by the FC conversion receiving module is written into a general interface receiving buffer area after being received by a general interface of the test platform, and the processor reads the data received by the general interface and compares the data with the sent data to give a test result.
Aiming at the unidirectional transmission test, the FPGA logic generates test data according to a predefined data format and time sequence relation and sends the test data through a Camlink or LVDS interface, an FC message converted by the FC conversion interface module is received by the FC interface of the test platform and then written into the FC receiving buffer area, and the processor reads the data received by the FC interface and compares the data with the sent data to give a test result.
The external field guarantee and test platform of the generalized FC conversion interface module provided by the embodiment of the invention adopts an FPGA (field programmable gate array) with an embedded processor and designs the specific structure and function of a motherboard based on an SOPC (system on a chip) architecture, configures a related power circuit, a clock circuit, a reset circuit and a storage circuit, and provides a power interface, a JTAG (joint test action group) interface, an optical interface and a serial port. The universal interface connector is designed aiming at various FC conversion interface module products with universal interfaces such as Camlink, LVDS, CAN, RS422, RS485 and the like, so as to realize the outward leading-out of various universal interface signals, and the coupling with various modules (such as an LVDS-FC conversion interface module and a CAN-FC conversion interface module) is realized through a special adapter plate. The FPGA design provides a general interface function, an FC interface function, a processor control management function and an interface test function; the FPGA realizes the functions of universal interfaces such as Camlink, LVDS, CAN, RS422, RS485 and the like through standard IP, and realizes the interconnection of related signals with the connector between the multi-core high-speed boards through a transceiver, a protocol processing chip and a driver; the FPGA realizes an FC interface through an FC IP and provides an optical interface to the outside through a photoelectric transceiver, so as to realize interconnection with an optical interface of the FC conversion interface module to be tested, an IIC interface is designed to be connected with an IIC interface of the photoelectric transceiver, and the optical interface characteristic of the module to be tested is detected by using the optical signal detection function of the photoelectric transceiver; the FPGA embedded processor runs the test case, can perform receiving and sending control and data comparison test on a corresponding general interface and an FC interface of the module to be tested, provides a serial port in design, and realizes real-time display of a test result. The test platform motherboard provides a JTAG interface to be interconnected with the FC conversion interface module connector, so that the extraction of the JTAG interface of the module is realized; the test platform motherboard provides a power interface and a power switch, and realizes power supply and current monitoring of the motherboard and the FC conversion interface module to be tested; the test platform motherboard provides reset switch, makes things convenient for module test. The test platform structural member realizes the fixation and heat dissipation of the motherboard.
The outfield protection and test platform of the generalized FC conversion interface module provided by the embodiment of the invention is convenient to operate, and the power-on, upgrading and test operation of the FC conversion interface module can be realized by a single outfield protection and test platform; the adaptation of various universal interfaces such as Camlink, LVDS, CAN, RS422, RS485 and the like CAN be realized through the adapter plate, and a universal interface signal is reserved for convenient expansion; providing FC interface simulation and point-to-point test functions; providing an optical power detection function for the FC conversion interface module to be detected; the automatic test and detection functions can be realized; the platform is designed based on the SOPC framework of the FPGA, and a CPU module does not need to be provided independently for detection.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a universalization FC conversion interface module's outfield guarantee and test platform which characterized in that, outfield guarantee and test platform includes: the platform comprises a platform mother board, a platform structural member and a transfer board;
wherein, the platform mother board sets up in the top of platform structure spare, through the fixed platform mother board of platform structure spare, the platform mother board includes: the device comprises an external interface unit, a general interface unit, an FC interface unit, an optical power detection unit, a processor and a processor circuit;
the adapter plate is connected with a universal interface connector of a universal interface unit in the platform motherboard, and an FC conversion interface module is inserted in the adapter plate and is used for butting a universal interface signal of the FC conversion interface module with a universal interface signal provided by the platform through the adapter plate;
the outfield protection and test platform is used for executing communication test through the general interface unit and the FC interface unit and executing optical power test through the optical power detection unit; wherein, the communication test includes: a two-way transmission test and a one-way transmission test.
2. The outfield assurance and testing platform of a generalized FC conversion interface module according to claim 1,
the platform motherboard is used for providing an external power interface, a JTAG interface, an optical port and a serial port through an external interface unit;
the power interface is used for converting an external 220V power supply into a power supply of the platform, monitoring the working current of the platform in real time and supplying power to the platform motherboard and the FC conversion interface module;
the JTAG interface is connected with the universal interface connector and is interconnected with JTAG signals on the adapter plate through the universal interface connector, so that JTAG signals in the FC conversion interface module are led out to the JTAG interface through the adapter plate and the universal interface connector, and the FC conversion interface module is upgraded through the JTAG interface;
the optical port is an external optical communication interface of an FC interface unit configured on the platform motherboard, and the optical port is connected with an optical communication interface of the FC conversion interface module through an optical fiber connected to the FC conversion interface module;
the serial port is connected with the computer and used for displaying the test program and the test result running on the processor in real time through the computer.
3. The outfield assurance and testing platform of a generalized FC conversion interface module according to claim 2,
the universal interface unit of the platform motherboard includes: the FPGA, the universal interface board connector, the transceiver, the protocol processor and the driver;
the FPGA in the universal interface unit is used for obtaining a universal interface through standard IP core instantiation, and the universal interface comprises a Camlink interface, an LVDS interface, a CAN interface, an RS422 interface and an RS485 interface;
the universal interface unit is used for interconnecting signals of corresponding interfaces with the universal interface connector through the transceiver, the protocol processing chip and the driver so as to be adapted with FC conversion interface modules of different types through the adapter plate;
and a universal interface is reserved between the FPGA and the universal interface connector and is used for forming different types of universal interfaces by filling different FPGA logics, so that the adaption of various types of FC conversion interface modules is realized.
4. The outfield assurance and testing platform of a generalized FC conversion interface module according to claim 3,
the FC interface unit of the platform motherboard includes: the optical fiber communication system comprises an FC interface obtained by an FPGA through standard IP core instantiation, and a photoelectric transceiver respectively connected with the FC interface and an optical port;
the FC interface unit is used for performing photoelectric conversion on an electric signal of the FC interface through the photoelectric transceiver, transmitting an output optical signal to the optical port, and realizing interconnection of the FC interface unit and the optical signal of the FC conversion interface module through the optical fiber connected with the FC conversion interface module through the optical port.
The FC interface unit functionally simulates a standard FC node machine so as to realize point-to-point interconnection and communication test with a tested FC conversion interface module and a simulated FC node machine; in the testing process, a built-in processor in the FPGA is used for carrying out communication management, buffer management and data comparison on the FC interface, and an FC receiving buffer area and an FC sending buffer area are arranged in the FPGA so as to realize the point-to-point FC transmission testing function of the tested FC conversion interface module.
5. The outfield assurance and testing platform of a generalized FC conversion interface module according to claim 4,
the optical power detection unit of the platform motherboard includes: an optical interface (with an optical power detection function) in the external interface unit, an IIC interface obtained by FPGA through standard IP core instantiation, and a photoelectric transceiver; the output optical power of the FC conversion interface module can be detected in an external field environment.
The IIC interface is connected with an IIC interface in the photoelectric transceiver with the diagnosis function, a processor in the FPGA accesses the value of a register inside the photoelectric transceiver through the IIC interface, the value is converted by the processor to detect the optical power of the received optical signal, and the optical signal is printed in real time through a serial port.
6. The external field assurance and testing platform of a generalized FC conversion interface module according to claim 5,
the processor and the processor circuit of the platform motherboard are provided with: the FPGA test system comprises a processor built in the FPGA, a storage circuit, a clock circuit and a reset circuit, wherein the processor and the processor circuit in the external field guarantee and test platform execute the following operations:
1) selecting data conversion between a specified type of general interface and an FC interface to test;
2) initializing and managing a universal interface to be tested;
3) organizing general interface data and FC interface data of types to be tested;
4) performing equipment management and communication management on the FC conversion interface module to be tested;
5) comparing result data after the data conversion and communication test and printing a test result;
6) and reading, calculating and outputting the received optical power detection result.
7. The outfield protection and test platform of the generalized FC conversion interface module according to claim 6, wherein the outfield protection and test platform is divided into two parts according to the type of the FC conversion interface module, supporting the bidirectional transmission test of CAN interface, RS422 interface, RS485 interface, and Camlink interface-FC interface, and supporting the unidirectional transmission test of LVDS interface-FC interface;
the outfield security and test platform executes communication test, including: the method comprises the steps that data conversion of a specified type of universal interface and an FC interface is tested through serial port input selection, FPGA is configured universally, an internal processor executes communication management on the universal interface and the FC interface by running a test program, and executes data organization and data comparison work of an interface receiving/sending buffer area corresponding to the interface, an FC receiving buffer area and an FC sending buffer area.
8. The external field assurance and testing platform of a generalized FC conversion interface module according to claim 7,
the outfield security and test platform executes bidirectional transmission test, including: a general interface sending test and an FC interface sending test;
wherein, the universal interface sends the test to include: the processor writes data to be sent into a sending buffer area corresponding to the general interface of the specified type, sends the data to the FC conversion interface module through the general interface of the specified type, writes FC messages converted by the FC conversion interface module into an FC receiving buffer area after being received by an FC interface of the test platform, reads the data received by the FC interface and compares the data with the sent data to give a test result;
and (3) sending test by the FC interface: the processor writes data to be sent into an FC sending buffer area and sends the data to an FC conversion interface module through an FC interface, general interface data converted by the FC conversion receiving module is received by a general interface of a specified type in the test platform and then written into a receiving buffer area corresponding to the general interface of the specified type, and the processor reads the data received by the general interface of the specified type and compares the data with the sent data to give a test result.
9. The external field assurance and testing platform of a generalized FC conversion interface module according to claim 7,
the outfield security and test platform executes unidirectional transmission test, which comprises: the FPGA generates test data according to a predefined data format and time sequence relation, the test data is sent out through a Camlink interface or an LVDS interface, FC messages converted by the FC conversion interface module are written into an FC receiving buffer area after being received by an FC interface of the test platform, and the processor reads data received by the FC interface and compares the data with the sent data to give a test result.
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