CN118151976A - Method and system for enabling single firmware to be compatible with multi-model satellite terminals - Google Patents

Method and system for enabling single firmware to be compatible with multi-model satellite terminals Download PDF

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Publication number
CN118151976A
CN118151976A CN202410271205.7A CN202410271205A CN118151976A CN 118151976 A CN118151976 A CN 118151976A CN 202410271205 A CN202410271205 A CN 202410271205A CN 118151976 A CN118151976 A CN 118151976A
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Prior art keywords
identification code
machine model
model identification
firmware
complete machine
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赵荣昌
王力权
卢向雨
崔利东
封龙
王冲
高超
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CETC 54 Research Institute
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CETC 54 Research Institute
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Priority to CN202410271205.7A priority Critical patent/CN118151976A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G06F8/658—Incremental updates; Differential updates
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/70—Software maintenance or management
    • G06F8/71—Version control; Configuration management

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stored Programmes (AREA)

Abstract

The invention provides a method and a system for enabling single firmware to be compatible with multiple types of satellite terminals, and belongs to the technical field of satellite terminals. The method comprises the following steps: making a binary file containing the hardware difference information of each model, and packaging the binary file and a system file together to form a single firmware; different types of satellite terminals burn single firmware; reading the whole machine model identification code stored in the one-time programmable area when the satellite terminal is started; and searching corresponding hardware difference information according to the whole machine model identification code and transmitting the information to an application layer. The invention realizes that one version of firmware can be compatible with a plurality of types of satellite terminals without designing a hardware circuit in advance, and only needs to update and maintain one firmware in the development, production and after-sales links of the plurality of types of satellite terminals, thereby greatly simplifying the firmware management and maintenance work and reducing the labor cost.

Description

Method and system for enabling single firmware to be compatible with multi-model satellite terminals
Technical Field
The invention relates to the technical field of satellite terminals, in particular to a method and a system for enabling single firmware to be compatible with multiple types of satellite terminals.
Background
Satellite terminals typically include an antenna, a radio frequency front end, a baseband chip, etc., where the radio frequency front end is comprised of chips such as a Power Amplifier (PA), a Low Noise Amplifier (LNA), a Filter (Filter), a duplexer, etc. In the satellite terminal development process, due to structural layout, environmental adaptability, device cost and other reasons, the baseband chips of different types of satellite terminals are consistent, but different chips are used for the radio frequency front end part. Under the condition, the firmware burnt by the baseband chip also needs to be synchronous and compatible with the radio frequency front-end chip so as to enable the satellite terminal to work normally.
To achieve synchronous compatibility of firmware, two methods are generally employed. Firstly, a branch is pulled out for each model independently on a main branch of a basic firmware source code, modification is carried out on the branch corresponding to a certain model according to hardware difference, compiling and linking are carried out, and finally firmware corresponding to the model is generated. Secondly, uniformly packaging the difference files of all models into a firmware, designing a GPIO (Gneral Purpose Input Output, general purpose input/output) level identification circuit on a satellite terminal main board, pulling up or down a plurality of GPIO pins of a baseband chip, reading the level states of the GPIO pins by the firmware during starting, loading corresponding difference files according to the read level states, and executing different program branch flows.
Both of the above methods have some drawbacks. In the first method, although the main board circuit is not modified, a plurality of branches are generated, each model has its own corresponding branch, and a plurality of firmware are generated. Later, each branch needs to be maintained separately, and when the solution of some commonality problems needs to be synchronized to all branches, omission of a certain branch may be caused. When the terminal is produced, different terminals need to burn corresponding firmware, and the mode of manually selecting the firmware for burning is extremely easy to cause the situation of burning wrong firmware. In the second method, the resistor needs to be added on the motherboard, which causes the dimension of the motherboard of the satellite terminal to be increased, and is unfavorable for miniaturization of the terminal. In addition, the method occupies GPIO port resources of the baseband chip, and when the number of available GPIO ports is limited, satellite terminals compatible with more types cannot be realized.
Disclosure of Invention
The invention aims to provide a method and a system for enabling single firmware to be compatible with multiple types of satellite terminals, which can realize that one firmware is compatible with multiple types of satellite terminals without changing main board hardware, and reduce firmware maintenance management complexity and production after-sales cost.
The invention adopts the technical scheme that:
A method for enabling single firmware to be compatible with a multi-model satellite terminal comprises the following steps:
Step 1: making a binary file, wherein the binary file comprises hardware difference information of each model and a matching table of a complete machine model identification code and a hardware difference head address, and packaging the binary file and a system file together to form a single firmware; in the matching table of the whole machine model identification codes and the hardware difference head addresses, each whole machine model identification code corresponds to the head address of one piece of hardware difference information;
step 2: burning the single firmware on satellite terminals of different models;
Step 3: reading the whole machine model identification code stored in the one-time programmable area when the satellite terminal is started;
step 4: and searching corresponding hardware difference information according to the whole machine model identification code and transmitting the information to an application layer.
Further, the binary file in the step 1 further comprises a binary file version number and a binary file check code;
when the hardware difference information is the same, different complete machine model identification codes correspond to the head address of the same hardware difference information.
Further, the specific manner of the burning operation in the step 2 is as follows: and downloading the single firmware into Flash of the satellite terminal by using a UART interface or a USB interface.
Further, the specific mode of the step 3 is as follows:
the satellite terminal reads the complete machine model identification code and judges whether the read complete machine model identification code is empty or not;
if the read complete machine model identification code is not null, directly jumping to the step 4;
if the read complete machine model identification code is empty, writing the complete machine model identification code into the one-time programmable area by using an AT instruction, setting the one-time programmable area into a read-only mode and locking, reading the complete machine model identification code in the one-time programmable area again, and then executing the step 4;
The one-time programmable area in the step 3 is an independent storage area which can only be written once, and the Flash partition burnt by the firmware respectively belongs to different units of the baseband chip.
Further, the specific mode of the step 4 is as follows:
reading a matching table of a complete machine model identification code and a hardware difference first address in a binary file from Flash into a memory;
Searching a corresponding hardware difference head address in a matching table by using the whole machine model identification code in the step 3;
And reading the hardware difference information from the Flash from the searched hardware difference head address position, writing the hardware difference information into a shared memory or a dynamically allocated memory space, and transmitting the written head address to an application layer.
A system for single firmware compatible multi-model satellite terminal includes the following modules:
A firmware generation module: a single firmware for generating a compatible multi-type satellite terminal;
firmware burning module: the method comprises the steps of burning single firmware into Flash of a satellite terminal baseband chip;
the complete machine model identification code reading module: the method comprises the steps of reading a complete machine model identification code stored in a one-time programmable area;
and (3) matching and searching a transmission module: and the hardware difference information is used for transmitting the corresponding hardware difference information searched in the matching table by the complete machine model identification code to an application layer.
Further, the firmware generation module includes:
binary file making unit: generating a binary file containing the hardware difference information of each model;
A single firmware packaging unit: for packaging the binary file with the system file to form a single firmware.
Further, the whole machine model identification code reading module comprises:
the whole machine model identification code judging unit: the method is used for judging whether the read complete machine model identification code is empty or not;
the whole machine model identification code writing unit: and when the complete machine model identification code is empty, the method is used for writing the complete machine model identification code into the one-time programmable area.
Further, the matching search transmission module includes:
And a matching searching unit: the hardware difference head address is used for searching a corresponding hardware difference head address in a matching table according to the whole machine model identification code;
A difference information transmission unit: the method is used for moving the corresponding hardware difference information from Flash to a shared memory or a dynamically allocated memory space, and transmitting the moved head address to an application layer.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention realizes that one version of firmware can be compatible with multiple types of satellite terminals, only one firmware version is required to be updated and maintained in the development, production and after-sale links of the multiple types of satellite terminals, the condition of burning the firmware by mistake is avoided, and the complexity of firmware management and control and the labor cost are greatly reduced.
(2) The invention does not need to design related hardware circuits in advance, does not occupy GPIO hardware resources of a baseband chip, is not limited by the number of available GPIOs, can reduce the main board area of the satellite terminal, and is convenient for the miniaturized design of the satellite terminal.
(3) The invention does not influence the subsequent upgrading operation, the whole machine model identification code is stored in the one-time programmable area and is set to be in a read-only locking mode, the whole machine model identification code cannot be destroyed during upgrading, the whole machine model identification code does not need to be written again, and only firmware needs to be burnt during upgrading.
(4) In the invention, the binary files and the system files are packaged together, the Flash partition is planned uniformly, the subsequent partition adjustment is not limited, and the partition adjustment is more flexible.
Drawings
The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate and do not limit the application.
FIG. 1 is a flow chart of a method for a single firmware compatible multi-model satellite terminal;
FIG. 2 is a diagram showing the intent of matching the complete machine model identification code with the hardware differential head address;
FIG. 3 is a schematic diagram of a complete machine model identification code reading process;
Fig. 4 is a schematic diagram of a single firmware compatible multi-model satellite terminal system framework.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
A method for single firmware compatible multi-model satellite terminal, as shown in figure 1, comprises the following specific steps:
step 1: and (3) making a binary file containing the hardware difference information of each model, and packaging the binary file and the system file together to form a single firmware.
The hardware difference information comprises data such as an on-board temperature and ADC value index table, a PA temperature compensation characteristic table, a power detection circuit temperature compensation characteristic table, a radio frequency front end pin ID number, a radio frequency front end pin level value, a radio frequency front end pin set offset time, a maximum target power, LNA gain, a temperature compensation switch, a power detection compensation switch and the like.
The binary file also comprises a matching table of the whole machine model identification code and the hardware difference head address, a binary file version number, a binary file check code and the like.
In the matching table of the complete machine model identification codes and the hardware difference head addresses, each complete machine model identification code corresponds to the head address of one piece of hardware difference information. When the hardware difference information is the same, different complete machine model identification codes can correspond to the head address of the same hardware difference information. As shown in fig. 2, the head addresses of the hardware difference information corresponding to the complete machine model identification codes 1002 and 1003 are the head addresses of the 2 nd set of hardware difference information.
Specifically, a project is newly built in ImHex software (a tool for displaying, decoding and analyzing binary data), the file size is set, a mode file is written, data filling such as hardware difference information, a matching table of a complete machine model identification code and a hardware difference head address, a binary file version number, a binary file check code and the like is carried out, the project is saved, and a binary file is exported. And then opening a packing tool matched with the baseband chip, importing a configuration file in a Flash partition planning xml format, importing the binary file and the system file together, clicking a packing button, and generating firmware with the suffix name of. Pkg format by the packing tool.
Step 2: different types of satellite terminals burn single firmware.
The burning operation is to download the single firmware into Flash by using a UART interface or a USB interface.
Specifically, the upper computer is connected with the baseband chip through a UART interface or a USB interface, a BOOTSEL pin of the baseband chip is set to be in a program downloading mode, and after power-on handshake is successful, firmware is written into Flash through XMODEM asynchronous file transfer protocol.
Step 3: and the satellite terminal reads the complete machine model identification code stored in the one-time programmable area when started.
The one-time programmable region is an independent storage region which can only be written once, and the Flash region burnt by the firmware respectively belongs to different units of the baseband chip.
Wherein, step3 includes:
the satellite terminal reads the complete machine model identification code and judges whether the read complete machine model identification code is empty or not;
if the read complete machine model identification code is not null, directly jumping to the step 4;
If the read complete machine model identification code is empty, writing the complete machine model identification code into the one-time programmable area by using an AT instruction, setting the one-time programmable area into a read-only mode and locking, reading the complete machine model identification code in the one-time programmable area, and executing the step 4.
Specifically, as shown in fig. 3, the satellite terminal reads the complete machine model identification code X, and determines whether the read complete machine model identification code X is 0xFFFF;
if the read complete machine model identification code X is not 0xFFFF, indicating that the terminal has written a valid complete machine model identification code before, and directly jumping to the step 4;
If the read complete machine model identification code X is 0xFFFF, the terminal is indicated to have no complete machine model identification code written, and the operation of writing the complete machine identification code is needed. An AT command (X is a 4-bit decimal number, the numerical range is 1000-9999) of AT BOARD=X is sent by using a serial port, the baseband chip writes the numerical value X into the one-time programmable area after receiving the command, and the one-time programmable area is set to be in a read-only mode and locked after writing is finished, and an OK character string is returned. And then, the satellite terminal reads the whole machine model identification code X again, and the step 4 is executed.
Step 4: and searching corresponding hardware difference information according to the whole machine model identification code and transmitting the information to an application layer.
Wherein, step 4 includes:
reading a matching table of a complete machine model identification code and a hardware difference first address in a binary file from Flash into a memory;
Searching a corresponding hardware difference head address in a matching table by using the whole machine model identification code in the step 3;
And reading the hardware difference information from the Flash from the searched hardware difference head address position, writing the hardware difference information into a shared memory or a dynamically allocated memory space, and transmitting the written head address to an application layer.
Specifically, the satellite terminal reads the complete machine model identification code and the hardware difference first address matching table shown in fig. 2 from Flash into the memory. And (3) searching the head address corresponding to the Y-th set of hardware difference information in the complete machine model identification code X dematching table in the step (3). Reading out the hardware difference information from Flash from the first address position of the Y-th set of hardware difference information, writing the hardware difference information into a shared memory or a dynamically allocated memory space, packaging the written first address into an interlayer message, and transmitting the interlayer message to an application layer through a message mechanism.
A system for single firmware compatible multi-model satellite terminals, as shown in fig. 4, comprising the following modules:
a firmware generation module: and generating single firmware compatible with the multi-type satellite terminal.
Firmware burning module: the method is used for burning the single firmware into Flash of the satellite terminal baseband chip.
The complete machine model identification code reading module: for reading the complete machine model identification code stored in the one-time programmable area.
And (3) matching and searching a transmission module: and the hardware difference information is used for transmitting the corresponding hardware difference information searched in the matching table by the complete machine model identification code to an application layer.
The firmware generation module comprises a binary file making unit and a single firmware packaging unit.
The binary file making unit is used for generating binary files containing the hardware difference information of each model.
Specifically, the binary file creating unit is composed of a schema file and ImHex software. The mode file is a C language file containing all hardware difference information such as an on-board temperature and ADC value index table, a PA temperature compensation characteristic table, a power detection circuit temperature compensation characteristic table and other data definition formats. ImHex software can analyze and display binary data according to the mode file, and can edit and export the binary data. The binary file creating unit finally outputs a binary file with a suffix name of a specified size.
The single firmware packaging unit is used for packaging the binary file and the system file together to form a single firmware.
Specifically, the single firmware packaging unit consists of a binary file, a system file, a Flash partition planning xml file and a packaging tool. The binary file is a file with a suffix name of a bin which is finally output by the binary file making unit. The system files include system startup files (Config program, bootLoader program, firstBoot program, secondBoot program), system driver files (PMU program), and business application files (ARM program, DSP program). The Flash partition plans the starting address and the space size of the binary file and the system file to be defined in the xml file. And integrating the binary file and the system file into a firmware file by the packaging tool according to the Flash partition planning xml file. The single firmware packaging unit finally outputs a firmware file with a suffix name of.pkg format.
The firmware burning module consists of an upper computer and a program downloading interface (UART interface or USB interface).
The whole machine model identification code reading module comprises a whole machine model identification code judging unit and a whole machine model identification code writing unit.
The whole machine model identification code judging unit is used for judging whether the read whole machine model identification code is empty or not.
Specifically, the complete machine model identification code judging unit judges whether the read complete machine model identification code is 0xFFFF or not, and outputs a judging result.
The whole machine model identification code writing unit is used for writing the whole machine model identification code into the one-time programmable area under the condition that the whole machine model identification code is empty.
Specifically, the identification code writing unit performs the operation of writing the identification code of the whole machine model into the one-time programmable area and the operation of setting the one-time programmable area to be in a read-only mode and locking through the defined AT instruction.
The matching searching and transmitting module comprises a matching searching unit and a difference information transmitting unit.
The matching searching unit performs the operation of searching the corresponding hardware difference head address in the matching table by the whole machine model identification code.
Specifically, the matching searching unit reads the matching table of the whole machine model identification code and the hardware difference first address from Flash into the memory, and then searches the corresponding hardware difference first address in the matching table by the whole machine model identification code. And finally, the matching searching unit outputs a hardware difference head address corresponding to the complete machine model identification code.
The difference information transmitting unit is used for moving the corresponding hardware difference information from Flash to the shared memory or the dynamically allocated memory space, and transmitting the moved first address to the application layer.
Specifically, the difference information transmitting unit reads the hardware difference information from the hardware difference first address position output by the matching searching unit, writes the hardware difference information into the shared memory or the dynamically allocated memory space, encapsulates the written first address into an interlayer message, and transmits the interlayer message to the application layer through a message mechanism.
In a word, the invention realizes that one version of firmware can be compatible with a plurality of types of satellite terminals without designing a hardware circuit in advance, and only one firmware is required to be updated and maintained in the development, production and after-sales links of the plurality of types of satellite terminals, thereby greatly simplifying the firmware management and maintenance work and reducing the labor cost.

Claims (9)

1. A method for single firmware compatibility with multiple types of satellite terminals, comprising the steps of:
Step 1: making a binary file, wherein the binary file comprises hardware difference information of each model and a matching table of a complete machine model identification code and a hardware difference head address, and packaging the binary file and a system file together to form a single firmware; in the matching table of the whole machine model identification codes and the hardware difference head addresses, each whole machine model identification code corresponds to the head address of one piece of hardware difference information;
step 2: burning the single firmware on satellite terminals of different models;
Step 3: reading the whole machine model identification code stored in the one-time programmable area when the satellite terminal is started;
step 4: and searching corresponding hardware difference information according to the whole machine model identification code and transmitting the information to an application layer.
2. The method for enabling single firmware to be compatible with multiple types of satellite terminals according to claim 1, wherein the binary files in the step 1 further comprise binary file version numbers and binary file check codes;
when the hardware difference information is the same, different complete machine model identification codes correspond to the head address of the same hardware difference information.
3. The method for enabling a single firmware to be compatible with multiple types of satellite terminals according to claim 1, wherein the specific manner of the burning operation in the step 2 is as follows: and downloading the single firmware into Flash of the satellite terminal by using a UART interface or a USB interface.
4. The method for enabling single firmware to be compatible with multiple types of satellite terminals according to claim 1, wherein the specific manner of step 3 is as follows:
the satellite terminal reads the complete machine model identification code and judges whether the read complete machine model identification code is empty or not;
if the read complete machine model identification code is not null, directly jumping to the step 4;
if the read complete machine model identification code is empty, writing the complete machine model identification code into the one-time programmable area by using an AT instruction, setting the one-time programmable area into a read-only mode and locking, reading the complete machine model identification code in the one-time programmable area again, and then executing the step 4;
The one-time programmable area in the step 3 is an independent storage area which can only be written once, and the Flash partition burnt by the firmware respectively belongs to different units of the baseband chip.
5. The method for enabling single firmware to be compatible with multiple types of satellite terminals according to claim 1, wherein the specific manner of step 4 is as follows:
reading a matching table of a complete machine model identification code and a hardware difference first address in a binary file from Flash into a memory;
Searching a corresponding hardware difference head address in a matching table by using the whole machine model identification code in the step 3;
And reading the hardware difference information from the Flash from the searched hardware difference head address position, writing the hardware difference information into a shared memory or a dynamically allocated memory space, and transmitting the written head address to an application layer.
6. A system for single firmware compatible multi-model satellite terminals, comprising the following modules:
A firmware generation module: a single firmware for generating a compatible multi-type satellite terminal;
firmware burning module: the method comprises the steps of burning single firmware into Flash of a satellite terminal baseband chip;
the complete machine model identification code reading module: the method comprises the steps of reading a complete machine model identification code stored in a one-time programmable area;
and (3) matching and searching a transmission module: and the hardware difference information is used for transmitting the corresponding hardware difference information searched in the matching table by the complete machine model identification code to an application layer.
7. The system of claim 6, wherein the firmware generation module comprises:
binary file making unit: generating a binary file containing the hardware difference information of each model;
A single firmware packaging unit: for packaging the binary file with the system file to form a single firmware.
8. The system of single firmware compatible multi-model satellite terminal according to claim 6, wherein said complete machine model identification code reading module comprises:
the whole machine model identification code judging unit: the method is used for judging whether the read complete machine model identification code is empty or not;
the whole machine model identification code writing unit: and when the complete machine model identification code is empty, the method is used for writing the complete machine model identification code into the one-time programmable area.
9. The system of claim 6, wherein the matching lookup transmission module comprises:
And a matching searching unit: the hardware difference head address is used for searching a corresponding hardware difference head address in a matching table according to the whole machine model identification code;
A difference information transmission unit: the method is used for moving the corresponding hardware difference information from Flash to a shared memory or a dynamically allocated memory space, and transmitting the moved head address to an application layer.
CN202410271205.7A 2024-03-11 2024-03-11 Method and system for enabling single firmware to be compatible with multi-model satellite terminals Pending CN118151976A (en)

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CN202410271205.7A CN118151976A (en) 2024-03-11 2024-03-11 Method and system for enabling single firmware to be compatible with multi-model satellite terminals

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Application Number Priority Date Filing Date Title
CN202410271205.7A CN118151976A (en) 2024-03-11 2024-03-11 Method and system for enabling single firmware to be compatible with multi-model satellite terminals

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