CN114793241A - Firmware updating method, electronic device and computer readable storage medium - Google Patents

Abstract

Firmware updating method, electronic device and computer readable storage medium. A firmware updating method comprises the steps of closing a power saving mode of an electronic device when a notification of downloading firmware is received, obtaining current time to obtain current time period, obtaining a connection time threshold A of an online to a narrow frequency Internet of things (NB-IoT), a connection time threshold B of an online to a server, a threshold C of the number of downloading errors and a time threshold D of not receiving a packet, which correspond to the electronic device, according to the time period of the current time, stopping downloading or updating a program of the firmware when any value exceeds a set threshold, finishing the updating program if no error exists, and then recovering a power saving mechanism. The invention also provides an electronic device, which can enable a low-performance device to successfully execute a wireless firmware update (FOTA) update procedure in a slow network environment and reduce power consumption.

Description

Firmware update method, electronic device and computer-readable storage medium

technical field

The present invention relates to an update program, and in particular, to a firmware update method, an electronic device and a computer-readable storage medium.

Background technique

With the advancement of technology, the updating methods of embedded electronic devices are becoming more and more diverse. For example, firmware over-the-air (FOTA) technology is used to update the firmware of the embedded electronic device. Alternatively, firmware updates can also be performed via a Universal Serial Bus (USB) connection.

In the environment of Narrowband Network, the data transmission speed is quite slow, and the performance of most Narrowband devices is also poor. Under this limited environment, the FOTA update procedure may also be interrupted when the Power Saving Mode (PSM) is activated, so that the FOTA update procedure takes a lot of effort and time.

SUMMARY OF THE INVENTION

In view of the above, it is necessary to provide a firmware update method, an electronic device and a computer-readable storage medium, which can enable a low-performance device to successfully execute a FOTA update procedure in a slow network environment and reduce power consumption.

An embodiment of the present invention provides a firmware update method, which is applied to an electronic device, wherein the method includes: when a notification for downloading firmware is received, turning off the power saving mode of the electronic device, and obtaining the current time The current time period is obtained, and the connection time threshold A of the electronic device to the Narrowband Internet of Things (NB-IoT) and the connection time to the server corresponding to the electronic device are obtained according to the time period of the current time. The threshold value B, the threshold value C for the number of download errors, and the time threshold value D for not receiving packets; determine whether the time when the electronic device is connected to the NB-IoT in the current period is within the value A; if it is connected to the NB-IoT When the IoT time is within the A value, it is determined whether the connection time of the electronic device to the server is within the connection time threshold B1; if the connection time to the server is within the B value, the electronic device Starting to download the firmware image; and when the firmware image download is completed, the power saving mode of the electronic device is turned on, and the server displays a message that the update result is a successful download.

An embodiment of the present invention also provides an electronic device, which includes a processing module and a judgment module. The processing module is configured to turn off the power saving mode of the electronic device when receiving the notification of downloading the firmware, obtain the current time period to obtain the current time period, and obtain the data corresponding to the electronic device according to the time period in which the current time is located. The connection time threshold A for connecting to the narrowband Internet of Things NB-IoT, the connection time threshold B for connecting to the server, the threshold C for the number of download errors, and the time threshold D for not receiving packets. The judging module is used to judge whether the time when the electronic device is connected to the NB-IoT in the current period is within the A value, and if the time when the electronic device is connected to the NB-IoT is within the A value, it is judged that the electronic device is connected Whether the time to the server is within the connection time threshold B1. If the connection time to the server is within the B value, the processing module instructs the electronic device to start downloading a firmware image, and when the firmware image download is completed, turns on the power saving mode of the electronic device , and at the same time, the server displays the information that the update result is a successful download.

The firmware update method, electronic device, and computer-readable storage medium of the embodiments of the present invention can enable low-performance devices to successfully execute the FOTA update procedure in a slow network environment, and reduce power consumption.

Description of drawings

FIG. 1 is a flow chart of steps of a learning mode of FOTA download configuration in a preprocessing program according to an embodiment of the present invention.

FIG. 2 is a flow chart of steps of a learning mode of FOTA update configuration in a preprocessing program according to an embodiment of the present invention.

FIG. 3 is a flowchart of steps of downloading firmware in a method for updating firmware according to an embodiment of the present invention.

FIG. 4 is a flowchart of steps for updating firmware in a method for updating firmware according to an embodiment of the present invention.

FIG. 5 is a schematic diagram of a hardware architecture of a mobile electronic device according to an embodiment of the present invention.

FIG. 6 is a functional block diagram of an electronic device according to an embodiment of the present invention.

Description of main component symbols

electronic device 200 processor 210 Memory 220 Firmware update system 230 processing module 310 Judgment module 320

The following specific embodiments will further illustrate the present invention in conjunction with the above drawings.

Detailed ways

In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments may be combined with each other in the case of no conflict.

In the following description, many specific details are set forth in order to facilitate a full understanding of the present invention, and the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

It should be noted that the descriptions involving "first", "second", etc. in the present invention are only for the purpose of description, and should not be construed as indicating or implying their relative importance or implying the number of indicated technical features . Thus, features delimited with "first", "second" may expressly or implicitly include at least one of said features. In addition, the technical solutions of the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist. , is not within the scope of protection required by the present invention.

The firmware update method of the embodiment of the present invention includes a preprocessing operation, and the preprocessing operation further includes a learning program of FOTA download configuration and a learning program of FOTA update configuration.

FIG. 1 is a flow chart of steps of a learning mode of FOTA download configuration in a pre-processing program according to an embodiment of the present invention, which is applied to an electronic device. According to different requirements, the order of the steps in the flowchart can be changed, and some steps can be omitted.

In step S11, the electronic device is powered on, for example, a narrowband device.

Step S12: Statistically analyze the firmware downloading process of the electronic device in different time periods. The time periods include 06:00～12:00, 12:00～18:00, 18:00～24:00 and 24:00～06:00.

Step S13 , obtaining a plurality of connection time thresholds A of the electronic device connecting to the Narrowband Internet of Things (NB-IoT) at different time periods after statistical analysis.

Step S14 , obtaining a plurality of connection time thresholds B of the electronic device connecting to the server in different time periods after statistical analysis.

Step S15 , obtain a plurality of round-trip times (Round-Trip Times) D between the electronic device and the FOTA server in different time periods after statistical analysis, that is, a plurality of time thresholds for not receiving packets.

Step S16 , obtaining a threshold value (Error Rate) C of multiple download failure times from the FOTA server in different time periods of the electronic device after statistical analysis.

In other words, each time period can obtain a value of AD. For example, from 06:00 to 12:00, when the network traffic is high, A is 30 seconds, B is 60 seconds, C is 30 times, and D is 180 seconds. Also, from 24:00 to 06:00, when the network traffic is low, A is 10 seconds, B is 20 seconds, C is 10 times, and D is 60 seconds.

Step S17 , when any value exceeds the set threshold, the firmware download or update process is terminated, if there is no error, the update process is completed, and then the power saving mechanism is restored.

FIG. 2 is a flow chart of steps of a learning mode of FOTA update configuration in a preprocessing program according to an embodiment of the present invention, which is applied to an electronic device. According to different requirements, the order of the steps in the flowchart can be changed, and some steps can be omitted.

Step S21, the electronic device is powered on, for example, a narrowband device.

Step S22, the electronic device pre-downloads the FOTA firmware.

Step S23: Statistically analyze the firmware update process of the electronic device under different load levels to calculate and generate a plurality of update time thresholds E under different load levels. The load level includes 100%-75%, 75%-50%, 50%-25% and 25%-0%.

In other words, one E value can be obtained for each time period.

FIG. 3 is a flowchart of steps for downloading firmware in a method for updating firmware according to an embodiment of the present invention, which is applied to an electronic device. According to different requirements, the order of the steps in the flowchart can be changed, and some steps can be omitted.

Step S301, the server notifies the electronic device to start downloading the firmware image file from the cloud server.

Step S302: Turn off the power saving mode (PSM) of the electronic device, obtain the current time period to obtain the current time period, and obtain the corresponding A, B, C, and D according to the time period in which the current time is located, for example, A1, B1, C1, D1.

Step S303, determining whether the time when the electronic device is connected to the NB-IoT in the current period is within the connection time threshold A1.

Step S304, if the connection time to the NB-IoT is not within the connection time threshold A1, the firmware downloading procedure is terminated, and the power saving mode of the electronic device is turned on.

Step S305, the server displays the information that the update result is the download failure.

Step S306, if the connection time to the NB-IoT is within the connection time threshold A1, it is determined whether the connection time of the electronic device to the server is within the connection time threshold B1. If the connection time to the server is not within the connection time threshold B1, the firmware downloading procedure is terminated, the power saving mode of the electronic device is turned on (step S304), and the server displays the update result as a download failure message ( Step S305).

Step S307, if the connection time to the server is within the connection time threshold B1, the electronic device starts to download the firmware image.

In step S308, during the firmware image downloading process, it is determined that a socket error occurs.

In step S309 , it is determined whether the number of times of firmware image download failures reaches a critical value C1 of the number of errors.

Step S310, if the number of failed firmware image downloads reaches the critical value C1 of the number of errors, the downloaded firmware image is cleared, the firmware download procedure is terminated, and the power saving mode of the electronic device is turned on (step S304), and the server displays the update The result is a download failure message (step S305).

Step S311 , if the number of times of failure to download the firmware image does not reach the threshold value C1 of the number of errors, restart the electronic device and resume the operation of downloading the firmware image (step S307 ).

Step S312 , during the firmware image downloading process, it is determined that the time when the electronic device does not receive the packet of the firmware image reaches a time threshold D1 . When the time when the packet of the firmware image is not received reaches the time threshold D1, the electronic device is restarted (step S311 ), and the operation of downloading the firmware image is resumed (step S307 ).

In step S313, in response to step S307, it is determined that the download of the firmware image is completed.

Step S314, enabling the power saving mode of the electronic device.

Step S315, displaying that the update result is a successful download.

FIG. 4 is a flowchart of steps for updating firmware in a method for updating firmware according to an embodiment of the present invention, which is applied to an electronic device. According to different requirements, the order of the steps in the flowchart can be changed, and some steps can be omitted.

Step S41, the server notifies the electronic device to start executing the firmware update procedure.

Step S42, turning off the power saving mode of the electronic device.

Step S43, obtaining the current load of the electronic device.

Step S44, judging whether the update time of the electronic device under the current load is within the update time threshold E1.

Step S45 , if the update time under the current load is not within the update time threshold E1 , turn on the power saving mode of the electronic device.

Step S46, the server displays information that the update result is that the update fails.

Step S47, if the update time under the current load is within the update time threshold E1, the power saving mode of the electronic device is turned on.

In step S48, the server displays the information that the update result is that the update is successful.

FIG. 5 is a schematic diagram showing a hardware structure of a mobile electronic device according to an embodiment of the present invention. The electronic device 200, but not limited to, can communicate with the processor 210, the memory 220 and the firmware update system 230 through a system bus. FIG. 5 only shows the electronic device 200 with components 210-230, but it should be understood that, Implementation of all illustrated components is not required, and more or fewer components may be implemented instead.

The memory 220 includes at least one type of readable storage medium, and the readable storage medium includes flash memory, hard disk, multimedia card, card-type memory (for example, SD or DX memory, etc.), random access memory (RAM), static Random Access Memory (SRAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), Programmable Read Only Memory (PROM), Magnetic Memory, Magnetic Disk, Optical Disk, etc. In some embodiments, the memory 220 may be an internal storage unit of the electronic device 200 , such as a hard disk or a memory of the electronic device 200 . In other embodiments, the memory may also be an external storage device of the electronic device 200, for example, a pluggable hard disk, a smart memory card (Smart Media Card, SMC), a secure digital disk equipped on the electronic device 200 (Secure Digital, SD) card, flash memory card (Flash Card) and so on. Of course, the memory 220 may also include both an internal storage unit of the electronic device 200 and an external storage device thereof. In this embodiment, the memory 220 is generally used to store the operating system and various application software installed in the electronic device 200 , such as program codes of the firmware updating system 230 . In addition, the memory 220 can also be used to temporarily store various types of data that have been output or will be output.

In some embodiments, the processor 210 may be a central processing unit (Central Processing Unit, CPU), a controller, a microcontroller, a microprocessor, or other data processing chips. The processor 210 is generally used to control the overall operation of the electronic device 200 . In this embodiment, the processor 210 is configured to run program codes or process data stored in the memory 220, for example, run the firmware update system 230 and the like.

It should be noted that FIG. 5 only illustrates the electronic device 200 by way of example. In other embodiments, the electronic device 200 may also include more or fewer components, or have different component configurations.

FIG. 6 is a functional block diagram of an electronic device according to an embodiment of the present invention, which is used for a method for performing firmware update. The firmware update method of the embodiment of the present invention may be implemented by a computer program in a storage medium, for example, the memory 220 in the electronic device 200 . When the computer program implementing the method of the present invention is loaded into the memory 220 by the processor 210, the processor 210 of the driving device 200 executes the method for updating the firmware of the embodiment of the present invention.

The electronic device 200 according to the embodiment of the present invention includes a processing module 310 and a determination module 320 .

The following describes the flow of the learning mode of the FOTA download configuration in the preprocessing program of the embodiment of the present invention.

The processing module 310 statistically analyzes the firmware downloading process of the electronic device 200 in different time periods when the electronic device is powered on. The time periods include 06:00～12:00, 12:00～18:00, 18:00～24:00 and 24:00～06:00.

The processing module 310 obtains a plurality of connection time thresholds A for the electronic device 200 to connect to the NB-IoT at different time periods after statistical analysis, and obtains a plurality of connection time thresholds B for the electronic device 200 to connect to the server at different time periods after statistical analysis , obtain a plurality of round-trip times D between the electronic device 200 and the FOTA server in different time periods after statistical analysis, that is, a plurality of time thresholds for not receiving packets, and obtain the electronic device 200 after statistical analysis. The critical value C of multiple download failure times of the FOTA server. In other words, each time period can obtain a value of AD.

The following describes the flow of the learning mode of the FOTA update configuration in the preprocessing program of the embodiment of the present invention.

The processing module 310 pre-downloads the FOTA firmware when the electronic device is powered on.

The processing module 310 statistically analyzes the firmware update process of the electronic device 200 under different load levels, so as to calculate and generate a plurality of update time thresholds E under different load levels. The load level includes 100%-75%, 75%-50%, 50%-25% and 25%-0%.

In other words, one E value can be obtained for each time period.

The following describes the implementation flow of the firmware download in the firmware update method according to the embodiment of the present invention.

The electronic device 200 is notified to start downloading the firmware image file from the cloud server.

When the processing module 310 of the electronic device 200 obtains the notification of downloading the firmware image file from the server, it turns off the power saving mode of the electronic device 200, obtains the current time and obtains the current time period, and obtains the corresponding A, B, C, D, eg, A1, B1, C1, D1.

The determination module 320 of the electronic device 200 determines whether the time when the electronic device 200 is connected to the NB-IoT in the current period is within the connection time threshold A1.

If the connection time to the NB-IoT is not within the connection time threshold A1, the processing module 310 terminates the firmware downloading procedure and turns on the power saving mode of the electronic device 200, and the server displays a message that the update result is a download failure.

If the connection time to the NB-IoT is within the connection time threshold A1, the determination module 320 determines whether the connection time of the electronic device 200 to the server is within the connection time threshold B1. If the connection time to the server is not within the connection time threshold B1, the processing module 310 stops the firmware downloading procedure, turns on the power saving mode of the electronic device 200, and the server displays a message that the update result is a download failure.

If the connection time to the server is within the connection time threshold B1, the processing module 310 starts to download the firmware image.

During the firmware image download process, the determination module 320 determines that a socket error has occurred, and determines whether the number of times the firmware image download fails has reached a critical value C1 of the number of errors.

If the number of failed firmware image downloads reaches the critical value C1 of the number of errors, the processing module 310 clears the downloaded firmware image, terminates the firmware download process, and turns on the power saving mode of the electronic device 200, and the server displays the update result as download Failed information.

If the number of failed firmware image downloads does not reach the threshold value C1 of the number of errors, the processing module 310 restarts the electronic device 200 and resumes the firmware image download operation.

During the firmware image downloading process, the determining module 320 determines that the time when the electronic device 200 does not receive the packet of the firmware image reaches the time threshold D1. When the time when the packet of the firmware image is not received reaches the time threshold D1, the processing module 310 restarts the electronic device 200 and resumes the operation of downloading the firmware image.

When the download of the firmware image is completed, the processing module 310 turns on the power saving mode of the electronic device 200, and at the same time, the server displays a message that the update result is a successful download.

The following describes an implementation process of the firmware update in the firmware update method according to the embodiment of the present invention.

The processing module 310 turns off the power saving mode of the electronic device 200 and obtains the current load of the electronic device 200 when the processing module 310 obtains a notification from the server to start the firmware update procedure.

The determination module 320 determines whether the update time of the electronic device 200 under the current load is within the update time threshold E1.

If the update time under the current load is not within the update time threshold E1, the processing module 310 enables the power saving mode of the electronic device 200, and the server displays a message that the update result is an update failure.

If the update time under the current load is within the update time threshold E1, the processing module 310 turns on the power saving mode of the electronic device 200, and the server displays a message that the update result is the update success.

If the modules/units integrated in the electronic device 200 are implemented in the form of software functional units and sold or used as independent products, they may be stored in a computer-readable storage medium. Based on this understanding, the present invention can implement all or part of the processes in the methods of the above embodiments, and can also be completed by instructing relevant hardware through a computer program, and the computer program can be stored in a computer-readable storage medium, and the When the computer program is executed by the processor, the steps of the above method embodiments can be implemented. Wherein, the computer program includes computer program code, and the computer program code may be in the form of source code, object code, executable file or some intermediate form, and the like. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, U disk, removable hard disk, magnetic disk, optical disk, computer memory, read-only memory, random access memory, electrical carrier signal , telecommunication signals, and software distribution media. It should be noted that the content contained in the computer-readable media may be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction, for example, in some jurisdictions, according to legislation and patent practice, the computer-readable media Electric carrier signals and telecommunication signals are not included.

It can be understood that the module division described above is only a logical function division, and other division methods may be used in actual implementation. In addition, each functional module in each embodiment of the present application may be integrated in the same processing unit, or each module may exist physically alone, or two or more modules may be integrated in the same unit. The above-mentioned integrated modules can be implemented in the form of hardware, or can be implemented in the form of hardware plus software function modules.

For those of ordinary skill in the art, other corresponding changes or adjustments can be made according to the technical solutions and technical ideas provided in the embodiments of the present invention in combination with the actual needs generated, and these changes and adjustments should belong to the protection of the claims of the present invention. scope.

Claims (10)

1. A firmware update method applied in an electronic device, the method comprising:

when receiving a notification of downloading a firmware, closing a power saving mode of the electronic device, obtaining current time to obtain a current time period, and obtaining a connection time threshold value A of an Internet of Things (NB-IoT) connected to a narrow band Internet of Things (NB-IoT), a connection time threshold value B of the Internet to a server, a threshold value C of the number of downloading errors and a time threshold value D of a packet not received, which correspond to the electronic device, according to the time period of the current time;

determining whether the time that the electronic device is online to NB-IoT in the current time period is within the value A;

if the time of connecting to NB-IoT is within the value A, judging whether the time of connecting the electronic device to the server is within a connection time threshold value B1;

if the time of online to the server is within the value B, the electronic device starts to download the firmware image; and

and when the downloading of the firmware image is finished, starting the power saving mode of the electronic device, and simultaneously displaying an updating result as information of successful downloading by the server.

2. The firmware update method of claim 1, further comprising:

if the time of connecting to NB-IoT is not within the value A, the firmware downloading program is stopped, the power saving mode of the electronic device is started, and meanwhile, the server displays the information that the updating result is the downloading failure.

3. The firmware update method of claim 1, further comprising:

if the time of online to the server is not in the range B, the firmware downloading program is stopped, the power saving mode of the electronic device is started, and meanwhile, the server displays the information that the updating result is downloading failure.

4. The firmware update method of claim 1, further comprising:

when a socket error occurs in the downloading process of the firmware image, judging whether the number of times of downloading failure of the firmware image reaches the value C;

if the number of times of downloading failure of the firmware image reaches the value C, clearing the downloaded firmware image, stopping a downloading program of the firmware, starting the power saving mode of the electronic device, and simultaneously displaying an updating result as information of downloading failure by the server;

if the failure times of downloading the firmware image do not reach the value C, restarting the electronic device, and replying the operation of downloading the firmware image;

in the firmware image downloading process, when the time that the electronic device does not receive the packet of the firmware image reaches the value D, the electronic device is restarted, and the operation of downloading the firmware image is replied.

5. The firmware update method of claim 4, further comprising:

when the firmware updating program is started to be executed, the power-saving mode of the electronic device is closed;

obtaining a current load of the electronic device;

judging whether the updating time of the electronic device under the current load is within an updating time critical value E or not;

if the updating time under the current load is not within the value E, starting the power saving mode of the electronic device, and simultaneously displaying an updating result as information of updating failure by the server;

and if the updating time under the current load is within the value E, starting the power saving mode of the electronic device, and simultaneously displaying the information that the updating result is the updating success by the server.

6. The firmware update method of claim 5, further comprising:

when the electronic device is started, the firmware downloading flows of the electronic device in different time periods are statistically analyzed;

obtaining a plurality of A values of NB-IoT which are online at different time intervals after the electronic device is subjected to statistical analysis;

obtaining a plurality of B values of the electronic device which are online to a server at different time intervals after statistical analysis;

obtaining a plurality of D values between the electronic device and a wireless firmware update (FOTA) server at different time intervals after statistical analysis; and

and acquiring a plurality of C values of the electronic device at different time intervals from the FOTA server after statistical analysis.

7. The firmware update method of claim 5, further comprising:

when the electronic device is started, downloading FOTA firmware in advance; and

and statistically analyzing the firmware updating process of the electronic device at different load degrees to calculate a plurality of E values generated at different load degrees.

8. An electronic device, comprising:

the processing module is used for closing the power saving mode of the electronic device when receiving a notification of downloading the firmware, acquiring current time to acquire a current time period, and acquiring a connection time threshold A of an online to narrow-frequency Internet of things NB-IoT, a connection time threshold B of the online to a server, a threshold C of the number of downloading errors and a time threshold D of a non-received packet corresponding to the electronic device according to the time period of the current time; and

a determining module, configured to determine whether a time when the electronic apparatus is connected to the NB-IoT at a current time interval is within the value a, and if the time when the electronic apparatus is connected to the NB-IoT is within the value a, determine whether the time when the electronic apparatus is connected to the server is within a connection time threshold B1;

if the time from online to the server is within the value B, the processing module enables the electronic device to start downloading the firmware image, and when the downloading of the firmware image is completed, the power saving mode of the electronic device is started, and meanwhile, the server displays the information that the downloading is successful as the updating result.

9. The electronic device of claim 8, further comprising:

if the time from online to NB-IoT is not within the value A, the processing module stops a downloading program of the firmware, starts the power saving mode of the electronic device, and simultaneously displays the information that the updating result is downloading failure by the server; and

if the time of online to the server is not in the range B, the processing module stops a downloading program of the firmware, starts the power saving mode of the electronic device, and simultaneously displays the information that the updating result is downloading failure by the server.

10. A computer readable storage medium having stored thereon a computer program which, when executed, performs the steps of the firmware update method according to any one of claims 1 to 7.

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