CN106648768B - Method and system for upgrading equipment - Google Patents
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Abstract
The invention relates to the field of computers, in particular to a method and a system for upgrading equipment. The method comprises the steps that a first system and a second system are preset; when equipment is started, the first system is operated by default; upgrading the second system according to the upgrade package; detecting the second system after the upgrading operation is completed to obtain a system upgrading result; and if the system upgrading result is successful upgrading, setting the second system to operate by default when the equipment is started. The device can be restored to the operable state before upgrading when the upgrading of the device fails, and the use stability and reliability of the device are improved.
Description
Technical Field
The invention relates to the field of computers, in particular to a method and a system for upgrading equipment.
Background
With the rapid development of electronic technology, communication technology and computer technology, embedded systems have been widely used in various fields, the requirements of various industries on the system function, performance and scale of embedded devices are increasing day by day, and developers must be able to maintain and upgrade the system in time according to the needs of customers to prolong the service life of the system and improve the performance of the system. At present, the upgrading mode of the embedded device is mainly that a system downloads an upgrading packet firstly, then detects whether the upgrading packet is correct or not, then upgrades the system according to the upgrading packet, and finally restarts the device to finish upgrading.
However, when the embedded device is suddenly powered off, burned or read during the process of upgrading the device, a nandflash is damaged, a restart system after upgrading cannot be normally booted, and related application programs of the restart system after upgrading cannot be normally started, the embedded device may not normally operate or data may be lost, and the reliability and the safety of the system may be greatly affected.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method and the system for upgrading the equipment can restore the equipment to the operable state before upgrading when the equipment fails to be upgraded, and improve the stability and the reliability of the equipment in use.
In order to solve the technical problems, the invention adopts the technical scheme that:
the invention provides a method for upgrading equipment, which comprises the following steps:
s1, presetting a first system and a second system; when equipment is started, the first system is operated by default;
s2, upgrading the second system according to the upgrade package;
s3, detecting the second system after the upgrading operation is completed, and obtaining a system upgrading result;
and S4, if the system upgrading result is that the upgrading is successful, setting the second system to operate by default when the equipment is started.
The present invention also provides a system for upgrading a device, comprising:
the system comprises a presetting module, a first processing module and a second processing module, wherein the presetting module is used for presetting a first system and a second system; when equipment is started, the first system is operated by default;
the upgrading module is used for upgrading the second system according to the upgrading package;
the detection module is used for detecting the second system after the upgrading operation is finished to obtain a system upgrading result;
and the setting module is used for setting the default operation of the second system when the equipment is started if the system upgrading result is successful.
The invention has the beneficial effects that: upgrading the second system which is currently in a non-running state by presetting the first system and the second system, detecting an upgrading result after the upgrading operation is finished, and if the upgrading result is that the second system is upgraded successfully, setting the second system to run by default when equipment is started to realize the effect of upgrading the functions of the equipment; if the upgrading result is that the second system fails to be upgraded, the first system is still operated by default when the equipment is started, so that the equipment can still normally operate immediately due to the fact that the nandflash is damaged during power failure, programming or reading, the upgrading package has problems and other factors, and the upgrading of the system fails, and the equipment does not need to be returned to a factory for maintenance, and the stability and reliability of the equipment are improved. In addition, due to the fact that the double systems are preset in the equipment, the other system in a non-running state can be upgraded when the equipment runs normally, and the efficiency of upgrading the equipment is improved.
Drawings
FIG. 1 is a block flow diagram of an embodiment of a method of upgrading a device of the present invention;
FIG. 2 is a block diagram of a system for upgrading a device according to an embodiment of the present invention;
description of reference numerals:
1. presetting a module; 2. an upgrade module; 3. a detection module; 4. setting a module; 5. a merging module; 6. an acquisition module; 7. and restarting the module.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: by presetting double systems in the equipment and detecting the upgrading result after the upgrading operation of one system is finished, the reliability and the stability of the equipment are improved.
As shown in fig. 1, the present invention provides a method for upgrading a device, including:
s1, presetting a first system and a second system; when equipment is started, the first system is operated by default;
s2, upgrading the second system according to the upgrade package;
s3, detecting the second system after the upgrading operation is completed, and obtaining a system upgrading result;
and S4, if the system upgrading result is that the upgrading is successful, setting the second system to operate by default when the equipment is started.
Further, before S2, the method further includes:
and combining the operating system, the file system and the equipment tree into a binary file to obtain the upgrade package.
As can be seen from the above description, by combining and converting the operating system, the file system, and the device tree into the binary file, the upgrade operation can be completed by directly downloading the upgrade package to the upgrade package before the partition where the second system is located is covered without operating the second system, thereby simplifying the system upgrade process and improving the system upgrade efficiency and speed.
Further, the S3 specifically includes:
s31, detecting the upgrading result of the kernel in the second system to obtain a first upgrading result;
s32, detecting the upgrading result of the program in the second system to obtain a second upgrading result;
s33, if the first upgrading result and the second upgrading result are both upgrading successfully, setting the system upgrading result as upgrading successfully.
As can be seen from the above description, only if the upgrade results of the kernel and the program are both successful, the device can normally operate, and the validity of the upgraded system is checked.
Further, the S32 specifically includes:
acquiring programs related to upgrading operation to form a first program set;
acquiring the running state of each program in the first program set;
forming a third upgrading result set corresponding to the first program set according to the running state;
and if the upgrading results in the third upgrading result set are all successful in upgrading, setting the second upgrading result as successful in upgrading.
As can be seen from the above description, the compatibility of the program with the system can be detected by detecting the upgrade result of the program.
Further, still include:
acquiring the running state of the equipment in real time;
and if the running state is a dead halt state, restarting the equipment.
Further, the method for acquiring the running state of the equipment in real time specifically comprises the following steps:
acquiring a level state of a preset input/output interface pin to obtain a first level state;
acquiring a level state of a preset input/output interface pin at a preset time interval to obtain a second level state;
and if the first level state is the same as the second level state, setting the running state of the equipment to be a dead halt state.
It can be known from the above description that, when a crash or other state affecting the automatic operation of the device occurs during the system upgrade process, the device can be automatically restarted to recover to the state in which the device can normally operate.
As shown in fig. 2, the present invention further provides a system for upgrading a device, including:
the system comprises a presetting module 1, a first processing module and a second processing module, wherein the presetting module is used for presetting a first system and a second system; when equipment is started, the first system is operated by default;
the upgrading module 2 is used for upgrading the second system according to the upgrading packet;
the detection module 3 is used for detecting the second system after the upgrading operation is finished to obtain a system upgrading result;
and the setting module 4 is used for setting the second system to operate by default when the equipment is started if the system upgrading result is successful.
Further, still include:
the merging module 5 is used for merging the operating system, the file system and the equipment tree into a binary file to obtain the upgrade package;
the acquisition module 6 is used for acquiring the running state of the equipment in real time;
and the restarting module 7 is used for restarting the equipment if the running state is a dead halt state.
Further, the obtaining module comprises:
the first acquisition unit is used for acquiring the level state of a preset input/output interface pin to obtain a first level state;
the second acquisition unit is used for acquiring the level state of a preset input/output interface pin at a preset time interval to obtain a second level state;
and the first setting unit is used for setting the running state of the equipment to be a dead halt state if the first level state is the same as the second level state.
Further, the detection module includes:
the first detection unit is used for detecting the upgrading result of the kernel in the second system to obtain a first upgrading result;
the second detection unit is used for detecting the upgrading result of the program in the second system to obtain a second upgrading result;
and the second setting unit is used for setting the system upgrading result as successful upgrading if the first upgrading result and the second upgrading result are both successful upgrading.
According to the above description, the system for upgrading the equipment upgrades the equipment, so that the stability and reliability of the equipment in the upgrading process are improved.
Example (b):
s1, presetting a first system and a second system; when equipment is started, the first system is operated by default;
the first system and the second system are stored in a Nand Flash medium, and both the first system and the second system are composed of a Linux operating system, a file system and an equipment tree. The boot program of the device is uboot, the uboot is stored in an SPI Flash medium, a boot partition mark cur _ image of the boot program uboot is set to be 0 by default, and when the device is started, the device enters a partition where the first system is located by default to start the first system.
S2, merging the operating system, the file system and the equipment tree into binary files to obtain an upgrade package;
the new operating system, the file system and the equipment tree are combined into a binary file, and the binary file is an upgrading package required by the upgrading system.
S3, upgrading the second system according to the upgrade package;
when the system needs to be upgraded, the upgrade package is downloaded to the partition where the second system is located, and the upgrade package can automatically cover the original upgrade package, so that the upgrade operation of the second system is completed in the state that the first system normally operates. And in the process of downloading the upgrade package, setting the state of the partition where the second system is located as an upgrade state. When the second system is upgraded, related functions do not need to be closed, and normal operation of the equipment is not influenced. The user can restart the equipment to detect the second system at idle time, so that the daily work of the user is facilitated.
S4, detecting the second system after the upgrading operation is completed, and obtaining a system upgrading result; the method specifically comprises the following steps:
s41, detecting the upgrading result of the kernel in the second system to obtain a first upgrading result;
the method for detecting the upgrading result of the kernel in the second system comprises the steps of starting the second system, if the second system is started successfully, setting the first upgrading result as upgrading success, and if not, setting the first upgrading result as upgrading failure.
S42, detecting the upgrading result of the program in the second system to obtain a second upgrading result; the method specifically comprises the following steps: acquiring programs related to upgrading operation to form a first program set;
acquiring the running state of each program in the first program set;
forming a third upgrading result set corresponding to the first program set according to the running state;
and if the upgrading results in the third upgrading result set are all successful in upgrading, setting the second upgrading result as successful in upgrading.
S43, if the first upgrading result and the second upgrading result are both upgrading successfully, setting the system upgrading result as upgrading successfully.
And S5, if the system upgrading result is that the upgrading is successful, setting the second system to operate by default when the equipment is started.
If the system upgrade result is that the upgrade is successful, setting the partition where the second system is located as a normal state, and modifying a boot partition flag cur _ image of the boot program uboot as 1, when the device is started, entering the partition where the second system is located by default to start the second system. And if the system upgrading result is upgrading failure, setting the partition where the second system is located as a failure state.
The states of the system partition include a normal state, an upgrade state, and a failure state. The boot program can point to the partition where the system is located only when the state of the system partition is normal. For example, the second system is an upgraded system, and the upgrade is successful, and the second system is set as a default system when the device is started. However, after a period of use, the user finds that the system before update is more suitable for the service requirement, and at this time, the first system in which the system partition is in the normal state may be set as the default operating system when the device is started. The user can switch the system which can normally run to meet different requirements.
When the device is restarted, the state of each system partition is automatically detected, if the state of the second system partition is detected to be the upgrading state, the system partition downloads the upgrading package to complete the upgrading operation, but the upgraded system is not checked whether the upgraded system can normally run. At this time, the device automatically detects the kernel and the program of the second system, and if the second system can normally operate, the upgraded system is automatically set as the default operating system when the device is started. It can be known from the above description that the upgrade result of the system is not detected immediately after the upgrade of the system is completed, and the system is set as the default running system when the device is started, but corresponding operation is executed only when the device is restarted, which is beneficial to the upgrade of the system without hindering the normal work of another running system, and the operation of switching to the upgraded system is executed after the work of the running system is completed.
And if the system upgrading result of the second system is upgrading failure, setting the state of the partition where the second system is located as a failure state. When the equipment is restarted, if the state of the partition where the second system is located is detected to be a failure state, the system upgrading result of the second system is not detected, and the first system is operated to ensure that the equipment works normally.
In addition, during the upgrade of the second system,
acquiring the running state of the equipment in real time; the method specifically comprises the following steps:
acquiring a level state of a preset input/output interface pin to obtain a first level state;
acquiring a level state of a preset input/output interface pin at a preset time interval to obtain a second level state;
and if the first level state is the same as the second level state, setting the running state of the equipment to be a dead halt state.
And if the running state is a dead halt state, restarting the equipment.
The CPU of the device provides a dog feeding signal for the Watchdog function of the off-chip singlechip by controlling the level state change of the GPIO. Once the CPU has a problem and the dog is not fed in overtime, the Watchdog function of the off-chip singlechip automatically restarts the equipment.
For example, a pin connects the CPU and the off-chip microcomputer, the CPU obtains the level state of the pin every 5 seconds, once the CPU fails to control the level change of the pin, if the level state does not change even if the waiting time exceeds the preset 5 seconds, the abnormal state of the CPU is sent to the off-chip microcomputer, and the off-chip microcomputer restarts the device. According to the description, when the second system is halted due to any unexpected condition in the upgrading process, the equipment can be automatically restarted and the first system in the normal state can be operated, so that the reliability and the safety of the equipment upgrading process are improved.
In summary, according to the method and system for upgrading equipment provided by the present invention, the first system and the second system are preset, the second system currently in a non-running state is upgraded, the upgrade result is detected after the upgrade operation is completed, and if the upgrade result is that the second system is successfully upgraded, the second system is set to run by default when the equipment is started, so as to achieve the effect of upgrading the function of the equipment; if the upgrading result is that the second system fails to be upgraded, the first system is still operated by default when the equipment is started, so that the equipment can still normally operate immediately due to the fact that the nandflash is damaged during power failure, programming or reading, the upgrading package has problems and other factors, and the upgrading of the system fails, and the equipment does not need to be returned to a factory for maintenance, and the stability and reliability of the equipment are improved. In addition, due to the fact that the double systems are preset in the equipment, the other system in a non-running state can be upgraded when the equipment runs normally, and the efficiency of upgrading the equipment is improved. Furthermore, the system upgrading process is simplified, and the efficiency and the speed of the system upgrading are improved. Further, the validity of the upgraded system is checked. Further, the compatibility of the program with the system can be detected by detecting the upgrade result of the program. Furthermore, when the system is in a state of crash and the like in the upgrading process, which affects the automatic work of the equipment, the equipment can be automatically restarted and is recovered to a state in which the equipment can normally work. Furthermore, the invention also provides a system for upgrading the equipment, which is used for upgrading the equipment and improving the stability and reliability of the equipment in the upgrading process.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method of upgrading a device, comprising:
s1, presetting a first system and a second system; when equipment is started, the first system is operated by default;
s2, upgrading the second system according to the upgrade package;
s3, detecting the second system after the upgrading operation is completed, and obtaining a system upgrading result;
s4, if the system upgrading result is upgrading success, setting the second system to operate by default when equipment is started;
when the second system is upgraded, the upgrading result is not detected immediately, but the state of each system partition is automatically detected when the equipment is restarted, if the state of the second system partition is detected to be the upgrading state, the kernel and the program of the second system are automatically detected, if the second system can normally run, the upgraded system is automatically set as the default running system when the equipment is started, and after the running first system finishes working, the operation of switching to the upgraded system is executed;
and if the state of the partition in which the second system is located is detected to be a failure state, not detecting the system upgrading result of the second system, and operating the first system.
2. The method for upgrading a device according to claim 1, wherein before the S2, the method further comprises:
and combining the operating system, the file system and the equipment tree into a binary file to obtain the upgrade package.
3. The method for upgrading a device according to claim 1, wherein the S3 specifically is:
s31, detecting the upgrading result of the kernel in the second system to obtain a first upgrading result;
s32, detecting the upgrading result of the program in the second system to obtain a second upgrading result;
s33, if the first upgrading result and the second upgrading result are both upgrading successfully, setting the system upgrading result as upgrading successfully.
4. The method for upgrading a device according to claim 3, wherein the S32 is specifically:
acquiring programs related to upgrading operation to form a first program set;
acquiring the running state of each program in the first program set;
forming a third upgrading result set corresponding to the first program set according to the running state;
and if the upgrading results in the third upgrading result set are all successful in upgrading, setting the second upgrading result as successful in upgrading.
5. The method of upgrading a device of claim 1, further comprising:
acquiring the running state of the equipment in real time;
and if the running state is a dead halt state, restarting the equipment.
6. The method for upgrading the device according to claim 5, wherein the operation state of the device is obtained in real time, specifically:
acquiring a level state of a preset input/output interface pin to obtain a first level state;
acquiring a level state of a preset input/output interface pin at a preset time interval to obtain a second level state;
and if the first level state is the same as the second level state, setting the running state of the equipment to be a dead halt state.
7. A system for upgrading a device, comprising:
the system comprises a presetting module, a first processing module and a second processing module, wherein the presetting module is used for presetting a first system and a second system; when equipment is started, the first system is operated by default;
the upgrading module is used for upgrading the second system according to the upgrading package;
the detection module is used for detecting the second system after the upgrading operation is finished to obtain a system upgrading result;
the setting module is used for setting the second system to operate by default when equipment is started if the system upgrading result is successful;
when the second system is upgraded, the upgrading result is not detected immediately, but the state of each system partition is automatically detected when the equipment is restarted, if the state of the second system partition is detected to be the upgrading state, the kernel and the program of the second system are automatically detected, if the second system can normally run, the upgraded system is automatically set as the default running system when the equipment is started, and after the running first system finishes working, the operation of switching to the upgraded system is executed;
and if the state of the partition in which the second system is located is detected to be a failure state, not detecting the system upgrading result of the second system, and operating the first system.
8. The system for upgrading a device of claim 7, further comprising:
the merging module is used for merging the operating system, the file system and the equipment tree into a binary file to obtain the upgrade package;
the acquisition module is used for acquiring the running state of the equipment in real time;
and the restarting module is used for restarting the equipment if the running state is a dead halt state.
9. The system for upgrading a device of claim 8, wherein the obtaining module comprises:
the first acquisition unit is used for acquiring the level state of a preset input/output interface pin to obtain a first level state;
the second acquisition unit is used for acquiring the level state of a preset input/output interface pin at a preset time interval to obtain a second level state;
and the first setting unit is used for setting the running state of the equipment to be a dead halt state if the first level state is the same as the second level state.
10. The system for upgrading a device of claim 7, wherein the detection module comprises:
the first detection unit is used for detecting the upgrading result of the kernel in the second system to obtain a first upgrading result;
the second detection unit is used for detecting the upgrading result of the program in the second system to obtain a second upgrading result;
and the second setting unit is used for setting the system upgrading result as successful upgrading if the first upgrading result and the second upgrading result are both successful upgrading.
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| CN112817625B (en) * | 2021-01-29 | 2024-03-08 | 青岛海信移动通信技术有限公司 | System upgrading method and device, electronic equipment and storage medium |
| CN113535255A (en) * | 2021-06-07 | 2021-10-22 | 山东泰物信息技术有限公司 | Method for asynchronously updating embedded linux firmware based on cryptographic algorithm |
| CN116610340A (en) * | 2023-05-06 | 2023-08-18 | 广州汽车集团股份有限公司 | Update method and device of vehicle software, vehicle and storage medium |
| CN116431189B (en) * | 2023-06-12 | 2024-02-27 | 广州万协通信息技术有限公司 | Board card upgrading method, device, equipment and storage medium based on PCIE link |
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