CN102147735B - Interface single board and business logic loading method - Google Patents

Abstract

The invention discloses an interface single board and a method for loading business logic, belonging to the technical field of communication. The interface single board includes: at least one interface sub-board and a loading configuration device. The method includes: judging whether there is a business logic target file specified by the CPU of the business single board, whether the business logic target file of the historical record is valid, and whether each interface sub-board is in place; selecting the corresponding business logic target file pair according to the judgment result Load configuration locally. The invention realizes the selection and loading configuration of the business logic target file through the loading configuration device, reduces the time for selecting and loading the business logic target file, and improves the reliability of the business logic target file selection and loading configuration.

Description

Method of interface board and business logic loading

technical field

The invention relates to the technical field of communication, in particular to an interface board and a method for loading business logic.

Background technique

With the development of communication technology, the communication system is becoming more and more complex. The same communication system often needs to provide various interfaces. The board is fastened to the interface single board, so that the same communication system can provide different interfaces only by replacing different interface boards. However, various interface boards use a variety of bus interfaces, and some are even proprietary bus interfaces of a certain chip manufacturer. It is impossible for the CPU (Central Processing Unit, central processing unit) of the business board to be compatible with all bus interfaces at the same time. Therefore, how to shield the differences between the bus interfaces of various interface subboards can provide a fixed standard bus interface for the CPU of the service single board; and on the interface subboard side, different interface subboards can be provided according to different interface subboards. The bus interface has become the focus of current research.

A method commonly used in the prior art is specifically as follows: an FPGA (Field Programmable Gate Array, Field Programmable Gate Array) for converting interface logic is added between the service single board and the interface single board, and each service single board According to the interface daughter board on the current interface board, the CPU selects the corresponding business logic target file from the storage medium (such as FLASH (flash memory)) to load and configure the FPGA, so that the FPGA has corresponding business functions and can be used for the current The service single board provides the fixed standard bus interface it needs, and provides the required bus interface for the interface daughter board on the current interface single board.

However, in the process of realizing the present invention, the inventor finds that the prior art has at least the following problems:

In the prior art, it takes a long time and has low reliability to select, load and configure the service logic target file of the FPGA through the CPU of the service single board (that is, through software).

Contents of the invention

In order to reduce the time required for selecting and loading the configuration service logic target file and improve the reliability of selecting and loading the configuration service logic target file, the embodiment of the present invention provides an interface board and a method for loading the service logic. Described technical scheme is as follows:

An interface single board, comprising: at least one interface sub-board and a loading configuration device;

The loading configuration device is used to judge whether there is a business logic target file specified by the CPU of the service single board, whether the business logic target file of the historical record is valid and whether each of the interface pins is in place, and select the corresponding one according to the judgment result. The business logic target file does its own loading configuration.

A method for loading business logic, characterized in that the method comprises:

Determine whether there is a business logic target file specified by the CPU of the business single board, whether the business logic target file of the historical record is valid, and whether each interface sub-board is in place;

According to the judgment result, select the corresponding business logic target file to load and configure locally.

The beneficial effects of the technical solution provided by the embodiments of the present invention are:

The selection and loading configuration of the business logic target file is realized by loading the configuration device (i.e., by means of hardware), which does not need to be selected and loaded by the CPU of the business single board, which reduces the time for selecting and loading the business logic target file, and The selection and loading configuration of business logic target files are completely realized by hardware, with high reliability.

Description of drawings

FIG. 1 is a schematic structural diagram of an interface board provided in Embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of an interface board provided in Embodiment 2 of the present invention;

FIG. 3 is a schematic structural diagram of an interface board provided in Embodiment 3 of the present invention;

FIG. 4 is a schematic structural diagram of an interface board provided in Embodiment 4 of the present invention;

FIG. 5 is a schematic structural diagram of an interface board provided in Embodiment 5 of the present invention;

FIG. 6 is a schematic structural diagram of another interface board provided by Embodiment 5 of the present invention;

FIG. 7 is a flow chart of a method for loading business logic provided by Embodiment 6 of the present invention;

FIG. 8 is a flowchart of another method for loading business logic provided by Embodiment 6 of the present invention;

FIG. 9 is a flowchart of a method for loading business logic provided by Embodiment 7 of the present invention;

FIG. 10 is a flow chart of another method for loading business logic provided by Embodiment 7 of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Example 1

Referring to FIG. 1 , an embodiment of the present invention provides an interface board 10 , including: at least one interface subboard 101 and a loading configuration device 102 .

The loading configuration device 102 is used to acquire and query the service logic target file matching each interface pinch 101 from the storage medium according to the ID of each interface pinch 101, and select the matching business logic target file for itself to load the configuration.

Further, the loading configuration device 102 may specifically include: a first field programmable gate array whose configuration mode is set to a slave loading mode and a complex programmable logic device, and a logic target with a loading function is set in the complex programmable logic device document;

The complex programmable logic device is used to obtain and query from the storage medium according to the ID of each interface daughter board 101 to obtain the type of business logic that matches each interface daughter board 101, and according to the type of business logic, from the storage medium Querying the storage address of the business logic target file corresponding to the type of business logic in the medium, reading the business logic target file from the storage address, and generating a loading configuration sequence corresponding to the first field programmable gate array according to the business logic target file; or

The loading configuration device 102 may specifically include: a second field programmable gate array whose configuration mode is set to a slave loading mode and a third field programmable gate array whose configuration mode is set to an active loading mode;

The third field programmable gate array is used for loading the logical object file with the loading function obtained from the storage medium when the power is turned on, and after the logical object file with the loading function is loaded, obtain and according to each interface sub-board ID of 101, query from the storage medium to obtain the type of business logic matching each interface daughter board 101, according to the type of business logic, query from the storage medium to obtain the storage address of the business logic target file corresponding to the type of business logic , reading the service logic target file from the storage address, and generating a loading configuration sequence corresponding to the second field programmable gate array according to the service logic target file; or

The loading configuration device 102 may specifically include: a fourth field programmable gate array and a bus keeper whose configuration mode is set to an active loading mode;

The fourth field programmable gate array is used to load the logical object file with the loading function obtained from the storage medium when the power is turned on, and after the logical object file with the loading function is loaded, obtain and according to each interface daughter board 101 ID, query from the storage medium to obtain the type of business logic that matches each interface daughter board 101, and according to the type of business logic, query from the storage medium to obtain the ID of the business logic that matches each interface daughter board 101 Type, according to the type of business logic, query the storage address of the business logic target file corresponding to the business logic type from the storage medium, read the business logic target file from the storage address, and generate the load corresponding to itself according to the business logic target file Configuration timing;

The bus holder is used to provide the fourth field programmable gate array with the storage address of the logic target file with loading function in the storage medium when powered on, and obtain the service logic target file by querying the fourth field programmable gate array After the address is stored, the storage address of the service logic target file in the storage medium is output, and the storage address is kept during the process of the fourth field programmable gate array reading the service logic target file.

The interface single board described in the embodiment of the present invention realizes the selection and loading configuration of the business logic target file through the loading configuration device (that is, through hardware), which reduces the time for selecting and loading the business logic target file, and the business logic target file The selection and loading configuration of the file is completely realized by hardware, with low cost and high reliability; it does not require the CPU of the business board to participate, and is suitable for occasions where the interface and business processing can be separated, and does not occupy the GPIO (General Purpose Input/Output) of the CPU. , general-purpose input and output) pins, there is no need to add an additional mechanism to expand GPIO pins, which reduces the dependence on GPIO pins of the CPU; in addition, the corresponding business logic target file can be selected and loaded according to the current specific interface board , and truly realize "one board with multiple services", which can reduce the number of single boards, reduce production and maintenance costs, and save valuable backplane slot resources.

Example 2

In the embodiment of the present invention, the loading configuration device includes the first FPGA and CPLD (Complex Programmable Logic Device, complex programmable logic device) whose configuration mode is set to the slave loading mode. Referring to FIG. 2, the embodiment of the present invention provides an interface The single board 20 includes: N interface daughter boards 201, the first FPGA202 and CPLD203 whose configuration mode is set to the slave loading mode, wherein the CPLD203 is provided with a logic target file with a loading function, and N is a positive integer.

The CPLD203 is configured to acquire and query the type of service logic matching each interface daughter board 201 from the storage medium according to the ID of each interface daughter board 201, and obtain the service logic type from the storage medium according to the type of service logic. The storage address of the business logic target file corresponding to the logic type, read the business logic target file from the storage address, and generate the loading configuration sequence corresponding to the first FPGA 202 according to the business logic target file.

Wherein, the storage medium may be a storage device capable of storing data such as FLASH and SSD (Solid State Disk, solid state drive). The storage medium stores all types of business logic that each interface daughter board can adapt to, and information such as the storage address of each business logic target file corresponding to each type of business logic in the storage medium. In the embodiment of the present invention, all types of business logic that can be adapted to each interface pinch board are stored in the form of a list to form a matching table between the interface pinch board and business logic, and each business logic target corresponding to each type of business logic The storage address of the file in the storage medium is stored in the form of a list to form a matching table of business logic and storage medium address. Matching table with the address of the storage medium. However, it should be noted that it is not limited to storing the above information in the form of a list, and any feasible method can be selected according to a specific application situation in actual application, and no specific limitation is set here. In addition, other similar places in this article can be implemented using the same method as here, so we won’t go into details one by one.

When the storage medium stores the matching table of the interface board and the business logic, and the matching table of the business logic and the address of the storage medium, the CPLD203 is specifically used to obtain and query the interface board in the storage medium according to the ID of each interface board 201. Board and business logic matching table to obtain the type of business logic corresponding to each interface sub-board 201, according to the type of business logic, query the matching table of business logic and storage medium address in the storage medium, and obtain the business logic target corresponding to the type of business logic The storage address of the file, the business logic target file is read from the storage address, and the loading configuration sequence corresponding to the first FPGA 202 is generated according to the business logic target.

In order to better understand the embodiment of the present invention, the following uses FALSH as the storage medium, and the storage medium stores the matching table of the interface board and the business logic, and the matching table of the business logic and the storage medium address as an example for further description:

Specifically, the matching table of the interface daughter board and business logic is stored in the low address space of FALSH, and the ID of the interface daughter board is used as some bits of the FLASH address line (for example, the address bits[13:8] have six bits in total), and the address offset of 0 The space stores the ID of the interface daughter board (used as a verification mechanism), and each subsequent address space sequentially stores the type of business logic that the interface daughter board can adapt to. After the type is stored, 0xFF is used as the end character of the matching table of the interface daughter board and business logic. The matching table of business logic and storage medium address is stored in the low-order address space of FALSH, and the type ID of business logic is used as some bits of the FLASH address line (such as address bits[9:3], a total of seven bits), and the address offset space of 0 is used to store business Logical type ID (used as a verification mechanism), the subsequent 4 bytes of address space store the storage address of the type of business logic in FALSH, and use 0xFFFFFFF to indicate an illegal address value. Correspondingly, the query process of CPLD is as follows: CPLD obtains the ID of the interface sub-board, and uses the ID of the interface sub-board (excluding the ID check digit) and the base address of the area where the interface sub-board and the business logic matching table are located to form the FLASH search start Addresses, such as Addr[26:14]=0; Addr[13:8]=ID[5:0], and the address bit[7:0] is to search for each "matching table of interface daughter board and business logic" The internal pointer of the CPLD reads a Byte (byte) of data each time, removes the highest bit bit7 of the parity bit (bit7 is used to check the integrity of the type of business logic), and selects the configuration that needs to be loaded Compare the matching business logic type, if it is the required business logic type, start the query of "business logic and storage medium address matching table", if it is not the required business logic type, add one to the address, and continue with the following A type of business logic is compared until the required type of business logic is queried or the end character of the supporting table of the interface board and business logic is encountered. After starting to query the "business logic and storage medium address matching table" to obtain the storage address of the business logic target file in FLASH, read and load and configure the business logic target file. It should be noted that other similar places in this article can be implemented using the same method as here, and details will not be repeated here. Moreover, it is not limited to the method described here, and any other feasible method may be adopted according to actual application conditions.

The interface single board described in the embodiment of the present invention realizes the selection and loading configuration of the business logic target file through CPLD, which reduces the time for selecting and loading the business logic target file, and the selection and loading configuration of the business logic target file are completely realized by hardware , low cost, high reliability; and does not require the participation of the CPU of the business board, it is suitable for occasions where the interface and business processing can be separated, and does not occupy the GPIO pins of the CPU, and does not need an additional mechanism to expand the GPIO pins, reducing The dependence on the GPIO pins of the CPU is eliminated; furthermore, the corresponding business logic target file can be selected and loaded according to the current specific interface board, which truly realizes "one board with multiple services", which can reduce the number of boards and production and maintenance costs, saving valuable backplane slot resources; in addition, the selection and loading configuration of business logic target files are independent of the CPU of the service board, and the matching table of interface daughter board and business logic and the matching table of business logic and storage medium address are The built-in storage medium provides flexible service expansion and good software and hardware decoupling capabilities.

Example 3

In the embodiment of the present invention, the loading configuration device includes a second FPGA whose configuration mode is set to the slave loading mode and a third FPGA whose configuration mode is set to the active loading mode. Referring to FIG. 3 , the embodiment of the present invention provides an interface single board 30 , including: N interface daughter boards 301, a second FPGA 302 whose configuration mode is set to slave loading mode, and a third FPGA 303 whose configuration mode is set to active loading mode, where N is a positive integer.

The third FPGA303 is used to load the logical target file with the loading function obtained from the storage medium when powered on, after the logical target file with the loading function is loaded, obtain and according to the ID of each interface daughter board 301, Query from the storage medium to obtain the type of business logic that matches each interface daughter board 301. According to the type of business logic, query from the storage medium to obtain the storage address of the business logic target file corresponding to the type of business logic. From the storage address The business logic target file is read in the middle, and the loading configuration sequence corresponding to the second FPGA 302 is generated according to the business logic target file.

It should be noted that the configuration mode of the third FPGA303 is set to the active loading mode, that is, the third FPGA303 is configured as a master (active), and the third FPGA303 actively selects a logical target with a loading function from a fixed area of the storage medium when powered on file, load the logical target file with the loading function, after the loading is completed, it has the same function as the CPLD203 in the example 2, and the logical target file with the loading function is set in the CPLD203 in the example 2, and after power-off will not be lost, so there is no need to reload on power-up. Other implementation processes are similar to Embodiment 2, and will not be described here one by one.

The interface single board described in the embodiment of the present invention realizes the selection and loading configuration of the business logic target file through the third FPGA, which reduces the time for selecting and loading the business logic target file, and the selection and loading configuration of the business logic target file are completely Hardware implementation, low cost, high reliability; and does not require the participation of the CPU of the business board, suitable for occasions where the interface and business processing can be separated, and does not occupy the GPIO pins of the CPU, and does not require an additional mechanism to expand the GPIO pins , which reduces the dependence on the GPIO pins of the CPU; furthermore, the corresponding business logic target file can be selected and loaded according to the current specific interface sub-board, which truly realizes "one board with multiple services" and can reduce the number of single boards. Reduce production and maintenance costs, save valuable backplane slot resources; further, the selection and loading configuration of business logic target files are independent of the CPU of the business single board, the supporting table of interface daughter board and business logic, and the address of business logic and storage media The matching table comes with the storage medium, providing flexible service expansion and good software and hardware decoupling capabilities. In addition, FPGA resources are richer than CPLDs, which can make the selection and loading configuration of business logic target files more intelligent, and the selection and loading configuration of business logic target files are faster, which can further reduce the time for business logic target file selection and loading configuration.

Example 4

In the embodiment of the present invention, the loading configuration device includes a fourth FPGA and a bus holder whose configuration mode is set to active loading mode. Referring to FIG. . The fourth FPGA 402 and the bus holder 403 whose configuration mode is set to active loading mode, wherein, N is a positive integer.

The fourth FPGA402 is used to load the logical target file with the loading function obtained from the storage medium when powered on, after the logical target file with the loading function is loaded, obtain and according to the ID of each interface daughter board 401, Query the type of business logic that matches each interface daughter board 401 from the storage medium, and obtain the type of business logic that matches each interface daughter board 401 from the storage medium according to the type of business logic. For the type of logic, query the storage medium to obtain the storage address of the business logic target file corresponding to the business logic type, read the business logic target file from the storage address, and generate the corresponding loading configuration sequence according to the business logic target file.

The bus holder 403 is used to provide the fourth field programmable gate array with the storage address of the logical target file with loading function in the storage medium when powered on, and query the fourth field programmable gate array to obtain the business logic target file After the storage address of the service logic target file is output, the storage address of the service logic target file in the storage medium is output, and the storage address is kept during the process of the fourth field programmable gate array reading the service logic target file.

Specifically, when power is turned on, the output pins connected to the storage medium of the bus keeper 403 all output a high-impedance state, and the output pins connected to these output pins of the bus keeper 403 are selected to have a loading function. The storage address of the logical target file in the storage medium, so that the fourth FPGA402 can actively load the logical target file with the loading function from the storage address when it is powered on. After the loading is completed, it has the same value as the CPLD203 in Example 2 function, but since the embodiment of the present invention has only one fourth FPGA402, after the fourth FPGA402 inquires from the storage medium to obtain the storage address in the storage medium of the business logic target file matching each interface daughter board 401, the bus remains The output pin connected to the storage medium of the device 403 outputs the storage address, and in the process of the fourth field programmable gate array reading the business logic target file, the storage address is kept, so that the fourth FPGA402 can read from The target file corresponding to the matching business logic is loaded into the storage address in the storage medium to configure the matching business logic target file. Moreover, it should be noted that several pins of the bus holder 403 can be selected to be connected to several address lines of the storage medium according to actual application conditions, and in order to facilitate realization, the output pins of the bus holder 403 are generally selected to be connected to the storage medium. The upper address line is connected.

The interface single board described in the embodiment of the present invention realizes the selection and loading configuration of the business logic target file through the fourth FPGA, which reduces the time for selecting and loading the business logic target file, and the selection and loading configuration of the business logic target file are completely Hardware implementation, low cost, high reliability; and does not require the participation of the CPU of the business board, suitable for occasions where the interface and business processing can be separated, and does not occupy the GPIO pins of the CPU, and does not require an additional mechanism to expand the GPIO pins , which reduces the dependence on the GPIO pins of the CPU; furthermore, the corresponding business logic target file can be selected and loaded according to the current specific interface sub-board, which truly realizes "one board with multiple services" and can reduce the number of single boards. Reduce production and maintenance costs, save valuable backplane slot resources; further, the selection and loading configuration of business logic target files are independent of the CPU of the business single board, the supporting table of interface daughter board and business logic, and the address of business logic and storage media The matching table comes with the storage medium, providing flexible service expansion and good software and hardware decoupling capabilities. In addition, the selection and loading configuration of the business logic target file can be realized through the bus holder and the fourth FPGA, without adding a separate loading configuration device, which can save costs and facilitate layout space.

Example 5

Referring to FIG. 5 , an embodiment of the present invention provides an interface board 50 , including: N interface daughter boards 501 and a loading configuration device 502 , where N is a positive integer.

The loading configuration device 502 is used to judge whether there is a business logic target file specified by the CPU of the service single board, whether the business logic target file of the historical record is valid, and whether each interface sub-board 501 is in place, and select the corresponding business logic according to the judgment result The object file configures itself for loading.

Further, the loading and configuring device 502 may specifically include: a first FPGA and a programmable logic device whose configuration mode is set to a slave loading mode.

Programmable logic devices can specifically include:

The first loading specified business logic module is used for when there is a business logic target file specified by the CPU of the service single board, at least one interface sub-board 501 is in place, and the specified business logic target file is consistent with each interface sub-board in place When all 501 match, select the specified business logic target file to load and configure the first FPGA; or

The first loading history record business logic module is used for when there is no business logic target file specified by the CPU of the service single board, the business logic target file of the historical record is valid, at least one interface daughter board 501 is in place, and the business logic target file of the historical record When the logic target file matches each interface daughter board 501 in place, select the business logic target file of the historical record to load and configure the first FPGA; or

First load the default business logic module, which is used to select the default business when there is no business logic target file specified by the CPU of the business single board, the business logic target file of the history record is invalid, and each interface daughter board 501 is not in place The logic target file loads and configures the first FPGA; or

The first loading and matching business logic module is used for when there is a service logic target file specified by the CPU of the service single board, at least one interface daughter board 501 is in place, and the specified business logic target file is in place with the interface daughter board 501 in place When at least one of the two does not match, query from the storage medium to obtain a business logic target file that matches each interface daughter board 501 in place, and select the matching business logic target file to load and configure the first FPGA; or

The second loading and matching business logic module is used for when there is no business logic target file specified by the CPU of the business single board, the business logic target file of the historical record is valid, at least one interface daughter board 501 is in place, and the business logic of the historical record When the target file does not match at least one of the existing interface daughter boards 501, query the storage medium to obtain a business logic target file that matches each of the existing interface daughter boards 501, and select the matching business logic target file pair the first FPGA to load the configuration; or

The third loading matching business logic module is used for when there is no business logic target file specified by the CPU of the business single board, the business logic target file of the historical record is invalid, and at least one interface daughter board 501 is in place, from the storage medium Query to obtain the business logic target file matching each interface daughter board 501 in place, and select the matching business logic target file to load and configure the first FPGA.

The first FPGA is configured to execute the service corresponding to the loaded and configured service logic target file after the corresponding service logic target file is loaded and configured.

Further, the programmable logic device is specifically a CPLD, and the CPLD is provided with a logic object file with a loading function; or

The programmable logic device is specifically a second FPGA whose configuration mode is set to an active loading mode. When the second FPGA is powered on, it loads a logical object file with a loading function obtained from a storage medium.

Further, the first loading specified business logic module is also used to select the specified business logic target file for the first FPGA for loading configuration;

Further, the first loading history record business logic module is also used to select when there is no business logic target file specified by the CPU of the service single board, the business logic target file of the historical record is valid, and the interface daughter board 501 is not in place. The business logic target file of historical records is loaded and configured for the first FPGA.

Further, the loading configuration device 502 may specifically include: a third FPGA whose configuration mode is set to an active loading mode and a bus holder.

When the third FPGA is powered on, it loads the logical target file with loading function obtained from the storage medium, and the third FPGA may specifically include:

The second loads the specified business logic module, which is used for when there is a business logic target file specified by the CPU of the service single board, at least one interface sub-board 501 is in place, and the specified business logic target file is consistent with each interface sub-board in place When both 501 and 501 match, select the specified business logic target file to load and configure the third FPGA; or

The second loading history record business logic module is used for when there is no business logic target file specified by the CPU of the business single board, the business logic target file of the historical record is valid, at least one interface daughter board 501 is in place, and the business logic target file of the historical record When the logic target file matches each interface daughter board 501 in place, select the business logic target file of the historical record to load and configure the third FPGA; or

The second loads the default business logic module, which is used to select the default business when there is no business logic target file specified by the CPU of the business single board, the business logic target file of the historical record is invalid, and each interface daughter board 501 is not in place The logic object file loads and configures the third FPGA; or

The fourth loading and matching business logic module is used for when there is a business logic target file specified by the CPU of the service single board, at least one interface daughter board 501 is in place, and the specified business logic target file is in place with the existing interface daughter board 501 When at least one of the two does not match, query from the storage medium to obtain a business logic target file that matches each of the existing interface daughter boards 501, and select the matching business logic target file to load and configure the third FPGA; or

The fifth loading and matching business logic module is used for when there is no business logic target file specified by the CPU of the business single board, the business logic target file of the historical record is valid, at least one interface daughter board 501 is in place, and the business logic target file of the historical record When the target file does not match at least one of the existing interface daughter boards 501, query the storage medium to obtain a business logic target file that matches each of the existing interface daughter boards 501, and select the matching business logic target file pair a third FPGA for loading configuration; or

The sixth loading and matching business logic module is used for when there is no business logic target file specified by the CPU of the business single board, the business logic target file of the historical record is invalid, and at least one interface daughter board 501 is in place, from the storage medium Query to obtain the business logic target file matching each interface daughter board 501 in place, and select the matching business logic target file to load and configure the third FPGA.

After loading and configuring the corresponding service logic target file, the third FPGA executes the service corresponding to the loaded and configured service logic target file.

Further, the second loading specified business logic module is also used to select the specified business logic target file for the third FPGA for loading configuration;

Further, the second loading history record service logic module is also used to select when there is no service logic target file specified by the CPU of the service single board, the service logic target file of the historical record is valid, and the interface daughter board 501 is not in place. The business logic target file of the historical record is loaded and configured to the third FPGA.

Further, referring to FIG. 6, the interface board 50 also includes:

The notification device 503 is used to receive the instruction to switch the service logic target file sent by the CPU of the service single board after the load configuration device 502 loads and configures the corresponding service logic target file, and when the service logic target file for the instruction switch is consistent with each When all interface daughter boards 501 match and the service logic target file indicating switching exists, the CPU of the service board is notified to perform hot swapping.

It should be noted that the notification device 503 can be a device that is set independently from the loading configuration device 502, or can be set as a device with the loading configuration device 502, and can be flexibly set according to actual application conditions, without specific limitations. .

The interface single board described in the embodiment of the present invention realizes the selection and loading configuration of the business logic target file through the loading configuration device (that is, through hardware), which reduces the time for selecting and loading the business logic target file, and the business logic target file The selection and loading configuration of the file is completely realized by hardware, with low cost and high reliability; it does not require the participation of the CPU of the business board, and is suitable for occasions where the interface and business processing can be separated, and does not occupy the GPIO pins of the CPU, and does not require additional The mechanism for expanding GPIO pins is added to reduce the dependence on GPIO pins of the CPU; furthermore, the corresponding business logic target files can be selected, loaded and configured according to the current specific interface board, truly realizing "one board with multiple services" , can reduce the number of boards, reduce production and maintenance costs, and save valuable backplane slot resources; in addition, according to whether there is a business logic target file specified by the CPU of the business board, whether the historically recorded business logic target file is valid and Whether each interface daughter board is in place, select and load and configure the corresponding business logic target file, which makes the whole process more intelligent, and can better realize the selection and loading of the configuration business logic target file.

Example 6

Referring to Figure 7, an embodiment of the present invention provides a method for loading business logic, including:

601: Judging whether there is a service logic target file specified by the CPU of the service single board, whether the service logic target file of the historical record is valid, and whether each interface daughter board is in place.

602: Select the corresponding service logic target file according to the judgment result to load and configure locally.

Further, according to the judgment result, the corresponding business logic target file is selected to load and configure locally, which may specifically include:

When there is a service logic target file specified by the CPU of the service board, at least one interface subboard is in place, and the specified service logic target file matches each interface subboard in place, select the specified service logic target file Load configuration locally; or

When there is no business logic target file specified by the CPU of the service board, the historically recorded business logic target file is valid, at least one interface daughter board is in place, and the historically recorded business logic target file is consistent with each existing interface daughter board When both match, select the business logic target file of the historical record to load and configure locally; or

When there is no business logic target file specified by the CPU of the service board, the business logic target file in the history is invalid, and each interface daughter board is not in place, select the default business logic target file to load and configure locally; or

When there is a service logic target file specified by the CPU of the service board, and at least one interface daughter board is in place, and the specified service logic target file does not match at least one of the in-place interface daughter boards, from the storage medium Query to obtain the business logic target file that matches each interface daughter board in place, and select the matching business logic target file to load and configure locally; or

When there is no business logic target file specified by the CPU of the service board, the historical business logic target file is valid, at least one interface daughter board is in place, and the historical business logic target file is the same as the existing interface daughter board. When at least one of the interfaces does not match, query the storage medium to obtain the business logic target file that matches each interface daughter board in place, and select the matching business logic target file to load and configure locally; or

When there is no business logic target file specified by the CPU of the service board, the business logic target file in the history is invalid, and at least one interface sub-board is in place, query the storage medium for each interface sub-board in place All match business logic target files, select the matching business logic target files to load and configure locally.

Further, query from the storage medium to obtain the business logic target file that matches each existing interface daughter board, select the matching business logic target file to load and configure locally, specifically including:

Acquiring and querying from the storage medium according to the ID of each interface daughter board in place to obtain the type of business logic that matches each interface daughter board in place;

According to the type of business logic, query from the storage medium to obtain the storage address of the business logic target file corresponding to the type of business logic, and read the business logic target file from the storage address;

According to the business logic target file, generate the loading configuration sequence corresponding to the local.

Further, according to the judgment result, selecting the corresponding business logic target file to load and configure locally may also include:

When there is a service logic target file specified by the CPU of the service single board, and each interface daughter board is not in place, select the specified service logic target file to load and configure locally; or

When there is no business logic target file specified by the CPU of the service board, the historically recorded business logic target file is valid, and none of the interface daughter boards is in place, select the historically recorded business logic target file to load and configure locally.

Further, referring to FIG. 8, after loading and configuring the corresponding business logic target file, the method may further include:

603: Receive an instruction to switch the service logic target file sent by the CPU of the service board.

604: When the service logic target file indicating switching matches each interface daughter board and the service logic target file indicating switching exists, notify the CPU of the service single board to perform hot swapping.

The business logic loading method described in the embodiment of the present invention can be selected and Loading and configuring the corresponding business logic target files makes the whole process more intelligent, and can better realize the selection and loading of configuration business logic target files; and, by using the same interface board, switch different business logic target files to adapt to specific business, realized product normalization and platformization, and saved a lot of material and labor costs.

Example 7

Referring to Fig. 9, an embodiment of the present invention provides a method for loading business logic, including:

701: The loading configuration device judges whether there is a service logic target file specified by the CPU of the service board, and if yes, executes 702; otherwise, executes 704.

Wherein, specifically, it is possible to indicate whether there is a specified business logic target file by setting the specified load register corresponding to the load configuration device to a different value. If the specified load register is set to 0X11, it means that there is a specified service logic target file. If the specified load register is set to 0XFF, it means that the specified business logic target file does not exist.

702: The loading configuration device judges whether at least one interface sub-board is in place, and if so, executes 703; otherwise, executes 710.

703: The loading configuration device obtains the ID of each interface sub-board in place, and judges whether the specified business logic target file matches each interface sub-board in place according to the ID of each interface sub-board in place, if If yes, go to 710; otherwise, go to 707.

704: The loading configuration device judges whether the business logic target file of the historical record is valid, and if yes, executes 705; otherwise, executes 708.

You can judge whether the business logic target file of the history record is valid by checking the logic loading history area (a specific address in the storage medium, the type of business logic loaded last time saved by the user).

705: The loading configuration device judges whether at least one interface sub-board is in place, and if so, executes 706; otherwise, executes 711.

706: The loading configuration device obtains the ID of each interface sub-board in place, and judges whether the business logic target file of the historical record matches each interface sub-board in place according to the ID of each interface sub-board in place, If yes, go to 711 ; otherwise, go to 707 .

707: The loading configuration device queries the business logic target file that matches each interface sub-board in place according to the ID of each interface sub-board in place, and determines the business logic that matches each interface sub-board in place Whether the target file exists, if yes, execute 712; otherwise, execute 713.

708: The loading configuration device judges whether at least one interface sub-board is in place, and if so, executes 709; otherwise, executes 714.

709: Obtain the ID of each interface daughter board in place, and then perform 707.

710: The loading configuration device loads the specified business logic target file to itself, and then ends.

711: Load the business logic target file of the history record loaded by the configuration device to itself, and then end.

712: The loading configuration device loads the matching business logic target file to itself, and then ends.

713: The loading configuration device reports that there is no service logic target file that matches each existing interface daughter board, and then ends.

Specifically, it may be reported to the CPU of the service board, and after receiving the reported information, the CPU of the service board upgrades the service logic target file for subsequent use.

714: The loading configuration means loads the default business logic target file, and then ends.

Load a default business logic target file to ensure some basic business processing; the default business logic target file can be set according to the actual application situation, for example, you can choose a business from the business logic target file corresponding to the interface daughter board The logic target file is used as the default business logic target file, or the first one of the business logic target files corresponding to the interface daughter board is selected as the default business logic target file, etc., and there is no specific limitation on this.

It should be noted that when the same interface daughter board can carry different services (such as E1 interface daughter board, the services that can be carried include SS7 (Signaling System 7, Signaling System 7), ATM (Asynchronous Transfer Mode, asynchronous transmission mode), etc.), after loading a certain business logic target file to the FPGA through the above steps, you can load another business logic target file to the FPGA according to the current needs, that is, you can use the same interface board (such as the E1 interface board Board), switch different business logic target files to adapt to a specific business, further, referring to Figure 10, the business logic loading method also includes:

801: After loading and configuring the corresponding service logic target file, the loading configuration device receives an instruction to switch the service logic target file sent by the CPU of the service board.

It should be noted that because the loading configuration device is a hardware single-process state machine, there is no timeout situation, that is, the loading configuration device will definitely respond to the business within a certain period of time after the CPU of the business single board sends an instruction to switch the business logic target file. The CPU request of the board.

802: The loading configuration device judges whether the service logic target file indicating switching matches each existing interface daughter board according to the ID of each existing interface daughter board, and if yes, executes 803; otherwise, executes 804.

803: The loading configuration device judges whether the service logic target file indicating switching exists according to the ID of each existing interface daughter board, and if yes, executes 805; otherwise, executes 806.

804: The loading configuration device reports that the switched service logic target file does not match all existing interface daughter boards, and then ends.

Specifically, the device for loading configuration may report to the CPU of the service board.

805: The loading configuration device notifies the CPU of the service board to perform hot swap, and then ends.

806: The device for loading configuration reports that the business logic target file indicating switching does not exist, and then ends.

Specifically, the loading and configuration device can report to the CPU of the service board, and after receiving the information reported by the loading and configuration device, the CPU of the service board can upgrade the service logic target file for subsequent use. Moreover, it should be noted that, if the business logic target file is successfully switched, the CPU of the service board must update the logic loading history area at the same time, so as to ensure that the business logic target file does not need to be switched at the next startup.

It should be noted that the loading configuration device may specifically include a first FPGA and a CPLD whose configuration mode is set to a slave loading mode; or the loading configuration device may specifically include a second FPGA whose configuration mode is set to a slave loading mode and a configuration mode set to The third FPGA in the active loading mode; or the loading configuration device may specifically include a fourth FPGA whose configuration mode is set to the active loading mode and a bus holder. When the loading configuration device includes the first FPGA and CPLD whose configuration mode is set to the slave loading mode, specifically, the CPLD is used to judge whether there is a service logic target file specified by the CPU of the service single board, and whether the service logic target file of the historical record is Whether it is valid and whether each interface daughter board is in place, according to the judgment result, select the corresponding business logic target file to load and configure the first FPGA. When the loading and configuration device is the other two cases, it can be implemented with reference to the loading and configuration device including the first FPGA and CPLD, and Embodiments 3 and 4, which will not be repeated here.

The business logic loading method described in the embodiment of the present invention can be selected and Loading and configuring the corresponding business logic target files makes the whole process more intelligent, and can better realize the selection and loading of configuration business logic target files; and, by using the same interface board, switch different business logic target files to adapt to specific business, realized product normalization and platformization, and saved a lot of material and labor costs.

All or part of the technical solutions provided by the above embodiments can be realized by software programming, and the software program is stored in a readable storage medium, such as a hard disk, an optical disk or a floppy disk in a computer.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (11)

1. an interface single plate, is characterized in that, comprising: at least one interface buckle and loading inking device;

Described loading inking device, whether the whether effective and each described interface buckle of service logic file destination for the service logic file destination that judges whether to exist the CPU of service board to specify, historical record is in place, selects corresponding service logic file destination self to load configuration to described loading inking device according to judged result;

Described loading inking device specifically comprises: configuration mode is set to primary scene programmable gate array and the programmable logic device (PLD) of driven loading mode;

Described programmable logic device (PLD), specifically comprises:

First loads specified services logic module, for the service logic file destination when existing the CPU of service board to specify, have at least a described interface buckle in place, and when the service logic file destination of described appointment all mates with each described interface buckle in place, select the service logic file destination of described appointment to load configuration to described primary scene programmable gate array; Or

The first loading history record traffic logic module, for the service logic file destination that ought not exist the CPU of service board to specify, the service logic file destination of described historical record is effective, have at least a described interface buckle in place, and when the service logic file destination of described historical record all mates with each described interface buckle in place, select the service logic file destination of described historical record to load configuration to described primary scene programmable gate array; Or

The first load default business logic modules, for the service logic file destination that ought not exist the CPU of service board to specify, the service logic file destination of described historical record is invalid, and when each described interface buckle is all in place, select the service logic file destination of acquiescence to load configuration to described primary scene programmable gate array; Or

First loads coupling business logic modules, for the service logic file destination when existing the CPU of service board to specify, have at least a described interface buckle in place, and the service logic file destination of described appointment is not when at least one in described interface buckle in place mated, from storage medium, inquiry obtains the service logic file destination all mating with each described interface buckle in place, selects the service logic file destination of described coupling to load configuration to described primary scene programmable gate array; Or

Second loads coupling business logic modules, for the service logic file destination that ought not exist the CPU of service board to specify, the service logic file destination of described historical record is effective, have at least a described interface buckle in place, and the service logic file destination of described historical record is not when at least one in described interface buckle in place mated, from storage medium, inquiry obtains the service logic file destination all mating with each described interface buckle in place, select the service logic file destination of described coupling to load configuration to described primary scene programmable gate array, or

The 3rd loads coupling business logic modules, for the service logic file destination that ought not exist the CPU of service board to specify, the service logic file destination of described historical record is invalid, and while having at least a described interface buckle in place, from storage medium, inquiry obtains the service logic file destination all mating with each described interface buckle in place, selects the service logic file destination of coupling to load configuration to described primary scene programmable gate array;

Described primary scene programmable gate array, for configuring in loading after corresponding service logic file destination, carries out and the corresponding business of service logic file destination that loads configuration.

2. interface single plate according to claim 1, is characterized in that, described programmable logic device (PLD) is specially complicated programmable logic device (PLD), is provided with the logical target file with value-added tax function in the programmable logic device (PLD) of described complexity; Or

Described programmable logic device (PLD) is specially configuration mode and is set to the initiatively secondary scene programmable gate array of loading mode, and described secondary scene programmable gate array, in the time powering on, loads the logical target file with value-added tax function obtaining from storage medium.

3. interface single plate according to claim 1, it is characterized in that, described first loads specified services logic module, also for the service logic file destination when existing the CPU of service board to specify, and when each described interface buckle is all in place, select the service logic file destination of described appointment to load configuration to described primary scene programmable gate array;

Described the first loading history record traffic logic module, the also service logic file destination for ought not existing the CPU of service board to specify, the service logic file destination of described historical record is effective, and when described interface buckle is all in place, select the service logic file destination of described historical record to load configuration to described primary scene programmable gate array.

4. according to the interface single plate described in any one claim in claim 1-3, it is characterized in that, described interface single plate also comprises:

Notifying device, for loading and configure after corresponding service logic file destination at described loading inking device, receive the indication of carrying out the switching of service logic file destination of the CPU transmission of service board, and the service logic file destination switching when indication all mates with each described interface buckle, and when the service logic file destination that indication is switched exists, the CPU of informing business veneer carries out hot plug.

5. an interface single plate, is characterized in that, comprising: at least one interface buckle and loading inking device;

Described loading inking device, whether the whether effective and each described interface buckle of service logic file destination for the service logic file destination that judges whether to exist the CPU of service board to specify, historical record is in place, selects corresponding service logic file destination self to load configuration to described loading inking device according to judged result;

Described loading inking device specifically comprises: configuration mode is set to initiatively the 3rd field programmable gate array and total wire maintainer of loading mode;

Described the 3rd field programmable gate array, in the time powering on, loads the logical target file with value-added tax function obtaining from storage medium, and described the 3rd field programmable gate array specifically comprises:

Second loads specified services logic module, for having described in having loaded after the logical target file of value-added tax function, when the service logic file destination that exists the CPU of service board to specify, have at least a described interface buckle in place, and when the service logic file destination of described appointment all mates with each described interface buckle in place, select the service logic file destination of described appointment to load configuration to described the 3rd field programmable gate array; Or

The second loading history record traffic logic module, for having described in having loaded after the logical target file of value-added tax function, when the service logic file destination that does not exist the CPU of service board to specify, the service logic file destination of described historical record is effective, have at least a described interface buckle in place, and when the service logic file destination of described historical record all mates with each described interface buckle in place, select the service logic file destination of described historical record to load configuration to described the 3rd field programmable gate array; Or

The second load default business logic modules, for having described in having loaded after the logical target file of value-added tax function, when the service logic file destination that does not exist the CPU of service board to specify, the service logic file destination of described historical record is invalid, and when each described interface buckle is all in place, select the service logic file destination of acquiescence to load configuration to described the 3rd field programmable gate array; Or

The 4th loads coupling business logic modules, for having described in having loaded after the logical target file of value-added tax function, when the service logic file destination that exists the CPU of service board to specify, have at least a described interface buckle in place, and when at least one of the service logic file destination of described appointment and described interface buckle Shen in place do not mated, from storage medium, inquiry obtains the service logic file destination all mating with each described interface buckle in place, select the service logic file destination of described coupling to load configuration to described the 3rd field programmable gate array, or

Slender acanthopanax is carried coupling business logic modules, for having described in having loaded after the logical target file of value-added tax function, when the service logic file destination that does not exist the CPU of service board to specify, the service logic file destination of described historical record is effective, have at least a described interface buckle in place, and the service logic file destination of described historical record is not when at least one in described interface buckle in place mated, from storage medium, inquiry obtains the service logic file destination all mating with each described interface buckle in place, select the service logic file destination of described coupling to load configuration to described the 3rd field programmable gate array, or

The 6th loads coupling business logic modules, for having described in having loaded after the logical target file of value-added tax function, when the service logic file destination that does not exist the CPU of service board to specify, the service logic file destination of described historical record is invalid, and while having at least a described interface buckle in place, from storage medium, inquiry obtains the service logic file destination all mating with each described interface buckle in place, selects the service logic file destination of coupling to load configuration to described the 3rd field programmable gate array;

Described total wire maintainer, for in the time powering on, the memory address of the logical target file that there is value-added tax function described in providing for described the 3rd field programmable gate array in described storage medium, choose after corresponding service logic file destination at described the 3rd field programmable gate array, export the memory address of described service logic file destination in described storage medium, and load in the process of the described service logic file destination of configuration at described the 3rd field programmable gate array, described memory address is kept.

6. interface single plate according to claim 5, it is characterized in that, described second loads specified services logic module, also for the service logic file destination when existing the CPU of service board to specify, and when each described interface buckle is all in place, select the service logic file destination of described appointment to load configuration to described the 3rd field programmable gate array;

Described the second loading history record traffic logic module, the also service logic file destination for ought not existing the CPU of service board to specify, the service logic file destination of described historical record is effective, and when described interface buckle is all in place, select the service logic file destination of described historical record to load configuration to described the 3rd field programmable gate array.

7. according to the interface single plate described in claim 5 or 6, it is characterized in that, described interface single plate also comprises:

Notifying device, for loading and configure after corresponding service logic file destination at described loading inking device, receive the indication of carrying out the switching of service logic file destination of the CPU transmission of service board, and the service logic file destination switching when indication all mates with each described interface buckle, and when the service logic file destination that indication is switched exists, the CPU of informing business veneer carries out hot plug.

8. the method that service logic loads, is characterized in that, described method comprises:

Judge whether to exist the whether effective and each interface buckle of service logic file destination of service logic file destination that the CPU of service board specifies, historical record whether in place; Select corresponding service logic file destination to load configuration to this locality according to judged result;

Describedly select corresponding service logic file destination to load configuration to this locality according to judged result, specifically comprise:

When the service logic file destination that exists the CPU of service board to specify, have at least a described interface buckle in place, and when the service logic file destination of described appointment all mates with each described interface buckle in place, select the service logic file destination of described appointment to load configuration to this locality; Or

When the service logic file destination that does not exist the CPU of service board to specify, the service logic file destination of described historical record is effective, have at least a described interface buckle in place, and when the service logic file destination of described historical record all mates with each described interface buckle in place, select the service logic file destination of described historical record to load configuration to this locality; Or

When the service logic file destination that does not exist the CPU of service board to specify, the service logic file destination of described historical record is invalid, and each described interface buckle is when all in place, selects the service logic file destination of acquiescence to load configuration to this locality; Or

When the service logic file destination that exists the CPU of service board to specify, have at least a described interface buckle in place, and the service logic file destination of described appointment is not when at least one in described interface buckle in place mated, from storage medium, inquiry obtains the service logic file destination all mating with each described interface buckle in place, selects the service logic file destination of described coupling to load configuration to this locality; Or

When the service logic file destination that does not exist the CPU of service board to specify, the service logic file destination of described historical record is effective, have at least a described interface buckle in place, and the service logic file destination of described historical record is not when at least one in described interface buckle in place mated, from storage medium, inquiry obtains the service logic file destination all mating with each described interface buckle in place, selects the service logic file destination of described coupling to load configuration to this locality; Or

When the service logic file destination that does not exist the CPU of service board to specify, the service logic file destination of described historical record is invalid, and while having at least a described interface buckle in place, from storage medium, inquiry obtains the service logic file destination all mating with each described interface buckle in place, selects the service logic file destination of described coupling to load configuration to this locality.

9. the method that service logic according to claim 8 loads, it is characterized in that, described from storage medium inquiry obtain the service logic file destination that all mates with each described interface buckle in place, select the service logic file destination of described coupling to load configuration to this locality, specifically comprise:

Obtain and according to the ID of each described interface buckle in place, from described storage medium, inquire about the type that obtains the service logic of all mating with each described interface buckle in place;

According to the type of described service logic, from described storage medium, inquiry obtains the memory address of service logic file destination corresponding to the type of described service logic, reads described service logic file destination from described memory address;

Produce and local corresponding loading configuration sequential according to described service logic file destination.

10. the method that service logic according to claim 8 or claim 9 loads, is characterized in that, describedly selects corresponding service logic file destination to load configuration to this locality according to judged result, also comprises:

When the service logic file destination that exists the CPU of service board to specify, and each described interface buckle is when all in place, selects the service logic file destination of described appointment to load configuration to this locality; Or

When the service logic file destination that does not exist the CPU of service board to specify, the service logic file destination of described historical record is effective, and described interface buckle is when all in place, selects the service logic file destination of described historical record to load configuration to this locality.

The method that 11. service logics according to claim 8 load, is characterized in that, after loading configures corresponding service logic file destination, described method also comprises:

Receive the indication of carrying out the switching of service logic file destination of the CPU transmission of service board;

The service logic file destination switching when judgement indication all mates with each described interface buckle, and the service logic file destination of indication switching is while existing, notifies the CPU of described service board to carry out hot plug.

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