CN111913699A - Design method for electrically-regulated antenna controller software compatible with AISG-V3 and AISG-V2 protocols - Google Patents
Design method for electrically-regulated antenna controller software compatible with AISG-V3 and AISG-V2 protocols Download PDFInfo
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
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- G06F9/4406—Loading of operating system
Abstract
The invention discloses a method for designing electrically-controlled antenna controller software compatible with AISG-V3 and AISG-V2 protocols, which comprises the following steps: the method comprises the steps that a program of an electric tuning antenna controller is divided into three parts, namely Bootloader, AISG GV2Firmware and AISG GV3Firmware, wherein the Bootloader is used for Firmware updating, the AISG GV2Firmware and the AISG GV3Firmware are respectively Firmware programs of AISG-V2 and AISG-V3, the AISG GV2Firmware is divided into a first part and a second part, the first part has functions of peripheral initialization, system self-test and data configuration programs, and the second part is a main AISG GV2Firmware system program; executing, namely starting Bootloader firstly, and then executing the first part of AISGV2 Firmware; then directly jumping to AISG-V3 Firmware, working in AISG-V3 mode, and switching to AISG-V2 Firmware if AISG-V2 communication frame is received. The invention firstly enters the AISG-V2 firmware after starting, completes time-consuming operations such as peripheral initialization, system self-test and data configuration, ensures that the firmware can be quickly started after the AISG-V3 firmware is switched to the AISG-V2 firmware, and ensures that a scanning command and an addressing command of the AISG-V2 can respond within the time (10ms) specified by a protocol.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method for designing software of an electrically-adjustable antenna controller compatible with AISG-V3 and AISG-V2 protocols.
The AISG protocol is an industry standard for communication between electrically-tuned antenna products and base station systems. The AISG-V2 protocol is released in 2006, and through years of development, the forms of electric tilt antenna products are greatly changed, multi-unit and multi-band antennas are increasingly widely applied, and objective requirements that the same electric tilt antenna is adapted to a plurality of base station systems are generated. At present, the AISG-V2 protocol cannot well support the development requirements of the current electric tilt antenna industry, and the AISG organization publishes an AISG-V3 version protocol in 2019. According to the protocol, on the premise that the physical layer and the AISG-V2 protocol are consistent, the protocols of the second layer and the seventh layer are greatly improved, the support for multi-host operation and multi-band electrically-regulated antenna operation is realized, functions such as MALD, Site-mapping and ping are realized, the functions of an ALD product are further perfected, the ALD product configuration, identification and regulation efficiency is improved, and convenience is brought to system optimization.
The AISG specification requires that the latest ALD equipment be compatible with the AISG-V2 protocol while supporting the AISG-V3 protocol in order for ALD to still function properly in base stations that do not support the-V3 version of the protocol. However, compared with the AISG-V2 protocol, the logic function of ALD in AISG-V3 has a greatly increased complexity, especially the support of multi-host operation, multi-band antenna, so that it is very heavy to make the AISG-V2 and AISG-V3 protocols compatible at the same time on the same set of codes, and it will cause the codes of two versions of protocols to couple with each other, increasing the complexity of system test and interoperation test with the base station, and according to AISG-V3 and AISG-V2 protocols, it is required that: after receiving any command from the base station, the ALD must return a response frame within 10ms, otherwise the base station will consider the ALD equipment communication timeout and disconnect the communication link.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a method for designing electrically-regulated antenna controller software compatible with AISG-V3 and AISG-V2 protocols, so that seamless switching under AISG-V3 protocol specifications is realized, and the design complexity of ALD software is greatly reduced.
In order to solve the above problems, the present invention adopts the following technical solutions.
A method for designing software of an electrically-regulated antenna controller compatible with AISG-V3 and AISG-V2 protocols comprises the following steps:
the method comprises the steps that a program of an electric tuning antenna controller is divided into three parts, namely Bootloader, AISG GV2Firmware and AISG GV3Firmware, wherein the program storage spaces and the data storage spaces of the three parts of Firmware are mutually independent, the Bootloader is used for Firmware updating, the AISG GV2Firmware and the AISG GV3Firmware are respectively Firmware programs of AISG-V2 and AISG-V3, the AISG GV2Firmware is divided into a first part and a second part, the first part has functions of peripheral initialization, system self-test and data configuration programs, and the second part is an AIS GV2Firmware system main program;
executing, wherein after the system is started, the Bootloader is operated, and then the first part of the AISG V2Firmware is executed;
then directly jumping to AISG-V3 Firmware, working in AISG-V3 mode, and if AISG-V2 communication frame is received, jumping to AISG-V2 Firmware second part, and completing the switching from AISG-V3 protocol to AISG-V2 protocol.
In the switching operation, if an AISG-V2 equipment scanning frame is received for the first time, a response frame with a CRC error is generated and the sending of the response frame is started immediately, then program jump is executed, the switching of the first address of the interrupt vector table is executed, the second part of the AISG-V2 Firmware is jumped to, then the Firmware of the AISG-V2 protocol is executed, and after the base station receives the error scanning frame, equipment scanning is continuously executed, so that the AISG-V2 protocol is switched correctly.
In the switching operation, if an Address identifier command is received for the first time, copying all the contents of the received frame to a shared memory area of the Firmware of AISG V2Firmware and AISG GV3Firmware, then jumping to a second part of the Firmware of AISG GV2Firmware, and entering an AISG-V2 communication protocol main program, wherein the AISG-V2 Firmware main program detects a new command frame in the shared memory area, and responds to the Address identifier command frame in the shared memory area, thereby completing the correct switching of the AISG-V2 protocol.
The invention has the advantages of
Compared with the prior art, the invention has the advantages that:
the invention firstly enters AISG-V2 firmware after starting, completes time-consuming operations such as peripheral initialization, system self-test and data configuration, ensures that the firmware can be quickly started after the AISG-V3 firmware is switched to AISG-V2 firmware, and ensures that scanning frames and addressing commands of AISG-V2 can respond within the time (10ms) specified by a protocol;
in the AISG-V3 program, the received address assigning command of AISG-V2 is stored in the shared memory area of the Firmware of AISG-GV 2Firmware and AISG-GV 3Firmware, after jumping to the second part of AISG-GV 2Firmware, the main program of AISG-V2 Firmware detects a new command frame in the shared memory area, and immediately responds to the address assigning command of the shared memory area, thus realizing the function of switching from AISG-V3 to AISG-V2 after receiving the address assigning command.
Drawings
Fig. 1 is a schematic diagram of the principle of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
As shown in fig. 1, a method for designing an electrically tunable antenna controller software compatible with AISG-V3 and AISG-V2 protocols includes the following steps:
the method comprises the steps that a program of an electric tilt antenna controller is divided into three parts, namely Bootloader, AISG GV2Firmware and AISG GV3Firmware, wherein the program storage spaces and the data storage spaces of the three parts of Firmware are mutually independent, the Bootloader is used for updating the Firmware, the AISG GV2Firmware and the AISG GV3Firmware are respectively Firmware programs of AISG-V2 and AISG-V3, the AISG GV2Firmware is divided into a first part and a second part, the first part is used as a data initialization program, and the second part is a peripheral initialization program and a system main program;
executing, namely operating Bootloader after starting, and then executing the first part of AISGV2 Firmware;
then directly jumping to AISG-V3 Firmware, working in AISG-V3 mode, and if AISG-V2 communication frame is received, jumping to AISG-V2 Firmware second part, and completing the switching from AISG-V3 protocol to AISG-V2 protocol. The invention firstly enters AISG-V2 firmware after starting, completes time-consuming operations such as data initialization, ensures that the firmware can be quickly started after the AISG-V3 firmware is switched to AISG-V2 firmware, and ensures that scanning frames to AISG-V2 can respond within the time (10ms) specified by a protocol.
In the switching operation, if an AISG-V2 equipment scanning frame is received for the first time, a response frame with a CRC error is generated and the sending of the response frame is started immediately, then an execution program jumps to the second part of AISG V2Firmware, peripheral initialization and interrupt vector table head address switching are executed, then Firmware of an AISG-V2 protocol is executed, and after the base station receives the error scanning frame, equipment scanning is continuously executed, so that the AISG-V2 protocol is switched correctly. In the AISG-V3 firmware program, after receiving the scanning frame of AISG-V2, the CRC field of the response frame is rewritten, and a response frame with CRC error is returned to the base station, so as to ensure that the base station can further scan downwards, and realize the function of switching from AISG-V3 to AISG-V2 after receiving the device scanning command.
In the switching operation, if an Address Assign Address command is received for the first time, all the contents of a received frame are copied to a shared memory area of the AISG-V2 communication protocol and the AISG-V3 communication protocol Firmware, then the second part of the AISG-GV 2Firmware is jumped to, peripheral initialization and interrupt vector table first Address switching are executed, and finally the Firmware of the AISG-V2 communication protocol is entered, at the moment, the AISG-V2 Firmware detects a new command frame and responds to the Address Assign command frame of the shared memory area, and therefore the AISG-V2 protocol is correctly switched. In the AISG-V3 firmware program, storing the received AISG-V2 endow address command to the shared memory area of AISG-V2 communication protocol and AISG-V3 communication protocol firmware, jumping to AISG-V2 firmware, AISG-V2 firmware detecting the shared memory area and responding to the endow address command of the shared memory area, and realizing the function of switching from AISG-V3 to AISG-V2 after receiving the endow address command.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (3)
1. A method for designing software of an electrically-regulated antenna controller compatible with AISG-V3 and AISG-V2 protocols is characterized by comprising the following steps:
the method comprises the steps that a program of an electric tuning antenna controller is divided into three parts, namely Bootloader, AISG GV2Firmware and AISG GV3Firmware, wherein the program storage spaces and the data storage spaces of the three parts of Firmware are mutually independent, the Bootloader is used for Firmware updating, the AISG GV2Firmware and the AISG GV3Firmware are respectively Firmware programs of AISG-V2 and AISG-V3, the AISG GV2Firmware is divided into a first part and a second part, the first part has functions of peripheral initialization, system self-test and data configuration programs, and the second part is an AIS GV2Firmware system main program;
executing, wherein after the system is started, the Bootloader is operated, and then the first part of the AISG V2Firmware is executed;
then directly jumping to AISG-V3 Firmware, working in AISG-V3 mode, and if AISG-V2 communication frame is received, jumping to AISG-V2 Firmware second part, and completing the switching from AISG-V3 protocol to AISG-V2 protocol.
2. The method for controlling the electrically tunable antenna controller according to claim 1, for implementing AISG-V3 and AISG-V2 compatible protocols, characterized in that:
in the switching operation, if an AISG-V2 equipment scanning frame is received for the first time, a response frame with a CRC error is generated and the sending of the response frame is started immediately, then the execution program jumps to the second part of AISG V2Firmware, the switching of the first address of the interrupt vector table is executed, then the Firmware of an AISG-V2 protocol is executed, and after the base station receives the error scanning frame, the equipment scanning is continuously executed, so that the correct switching of the AISG-V2 protocol is completed.
3. The method for controlling the electrically tunable antenna controller according to claim 1, for implementing AISG-V3 and AISG-V2 compatible protocols, characterized in that:
in the switching operation, if an Address identification command is received for the first time, copying all contents of a received frame to a shared memory area of AISG V2Firmware and AISG GV3Firmware, jumping to a second part of the AISG GV2Firmware, executing the first Address switching of an interrupt vector table, and entering an AISG-V2 communication protocol main program, wherein the AISG-V2 communication protocol main program detects a new command frame in the shared area and responds to the Address identification command frame in the shared memory area, thereby completing the correct switching of the AISG-V2 protocol.
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