WO2019237438A1

WO2019237438A1 - System, electronic device, and method for online firmware upgrading

Info

Publication number: WO2019237438A1
Application number: PCT/CN2018/094334
Authority: WO
Inventors: 李宗融
Original assignee: 深圳市炬力北方微电子有限公司
Priority date: 2018-06-15
Filing date: 2018-07-03
Publication date: 2019-12-19
Also published as: CN109086060A

Abstract

A system, an electronic device, and a method for online firmware upgrading. The method for online firmware upgrading comprises: commucatively connecting with a terminal device, thus allowing the terminal device to control an embedded webpage of the electronic device (S11); receiving via the terminal device an upgrade interface entering instruction inputted by a user and displaying device information of the electronic device on the terminal device on the basis of the upgrade interface entering instruction, the device information comprising a local-side firmware version number and a server-side firmware version number (S12); receiving via the terminal device an upgrade instruction inputted by the user and downloading a corresponding version of electronic device firmware from a server side on the basis of the upgrade instruction (S13). With the method implemented, the embedded webpage in the electronic device is utilized to upgrade the firmware of the electronic device, and the need to control third-party software for an upgrade is obviated, thus avoiding the problem of software incompatibility.

Description

System, electronic equipment and method for upgrading firmware online

Technical field

The invention relates to the field of information transmission, in particular to a system, an electronic device and a method for upgrading firmware online.

Background technique

Due to the increased requirements for the reliability and updating of electronic equipment, the firmware of electronic equipment needs to be upgraded during use to meet new requirements of electronic equipment or to solve problems that occur during use.

In the prior art, electronic devices need to be controlled by third-party software to upgrade the firmware, but in this case, not only does the user need to install additional third-party software, but because the OS type / version on each electronic device is not exactly the same , It is impossible to predict what electronic device the third-party software will be installed on. Therefore, there is a great possibility that the software cannot be installed or is not supported, resulting in a software compatibility problem.

In addition, when multiple electronic devices in a system need to be upgraded, each electronic device needs to be connected to the Internet one by one to download the latest firmware. In this case, if the number of electronic devices to be upgraded is large, it will cause The upgrade takes a long time, and it is easy to miss the upgrade of one or some electronic devices.

Summary of the Invention

The technical problem to be solved by the present invention is to provide a system, an electronic device, and a method for upgrading firmware online, in view of the defects that the software is incompatible easily when upgrading firmware through third-party software manipulation in the prior art.

The technical solution adopted by the present invention to solve its technical problems is to construct a method for upgrading firmware online for upgrading the firmware of an electronic device, and perform the following steps:

Communicate with a terminal device so that the terminal device can control the embedded webpage of the electronic device;

Receive an upgrade interface entry instruction input by a user through a terminal device, and display device information of the electronic device on the terminal device according to the upgrade interface entry instruction, where the device information includes a local firmware version number and a server firmware version number;

Receive the upgrade instruction input by the user through the terminal device, and download the corresponding version of the electronic device firmware from the server according to the upgrade instruction.

Preferably, it further comprises:

When the upgrade is successful, a prompt message is output.

The present invention also constructs a method for upgrading firmware online for upgrading the firmware of an electronic device in the system. The electronic device includes a first electronic device and a plurality of second electronic devices. The first electronic device performs the following steps:

First pairing step: pairing with at least one second electronic device;

Display step: receiving an upgrade interface entry instruction input by a user through a terminal device, and displaying the first electronic device and the second electronic device successfully paired with the first electronic device on the terminal device according to the upgrade interface entry instruction. Device information, the device information including a local firmware version number and a server firmware version number, wherein the terminal device controls the embedded webpage of the first electronic device through a communication connection with the first electronic device ;

First upgrade step: receiving, by the terminal device, the second electronic device to be upgraded determined by the user, and sending the server-side firmware version number corresponding to the second electronic device to be upgraded to the corresponding second electronic device, so that the first The two electronic devices download the corresponding version of the second electronic device firmware from the server.

Preferably, the first upgrading step further includes:

Receiving the first electronic device and the second electronic device to be upgraded determined by the user through a terminal device;

Sending the server-side firmware version number corresponding to the second electronic device to be upgraded to the corresponding second electronic device, so that the second electronic device downloads the corresponding version of the second electronic device firmware from the server;

Receiving the upgrade progress information returned by the second electronic device, and determining whether the upgrade of the second electronic device is successful;

If all the determined second electronic devices are successfully upgraded, download the corresponding version of the first electronic device firmware from the server.

Preferably, after the first upgrading step, the method further includes:

The first prompt step: when the upgrade is successful, a prompt message is output.

The invention also constructs a method for upgrading firmware online, which is used to upgrade the firmware of an electronic device in the system. The electronic device includes a first electronic device and a plurality of second electronic devices. The second electronic device performs the following steps:

A second pairing step: pairing with the first electronic device;

Second upgrade step: receiving the corresponding server-side firmware version number from the first electronic device, and downloading the corresponding version of the second electronic device firmware from the server, wherein the first electronic device receives the upgrade input by the user through the terminal device Interface entry instruction, and according to the upgrade interface entry instruction, display device information of the first electronic device and the second electronic device successfully paired with the first electronic device on the terminal device, and then receive the user's determination through the terminal device The second electronic device to be upgraded, and sends the server-side firmware version number corresponding to the second electronic device to be upgraded to the corresponding second electronic device, and the device information includes the local-side firmware version number and the server-side firmware A version number, the terminal device controls the embedded webpage of the first electronic device through a communication connection with the first electronic device;

Returning step: returning the upgrade progress information to the first electronic device.

Preferably, it further comprises:

The second prompt step: when the upgrade is successful, a prompt message is output.

Preferably, the second pairing step includes:

Receiving a pairing document, where the pairing document includes an SSID of the first electronic device;

Perform a WIFI scan, and match the scan result with the SSID in the paired document;

If the matching is successful, access the AP of the first electronic device to complete pairing.

Preferably, the pairing document further includes identification information and / or password information of the first electronic device, and the AP accessing the first electronic device includes:

Determining whether the identification information and / or the password information in the paired document match according to the scan result;

If the matching is successful, access the AP of the first electronic device.

Preferably, the receiving a paired document includes:

Receive paired documents via USB cable, USB flash drive, or terminal device.

The present invention also constructs an electronic device including a first memory and a first processor. The first memory stores a computer program, and the first processor is configured to execute the computer program stored in the first memory and implement the above. The method described.

The present invention also constructs an electronic device including a second memory and a second processor. The second memory stores a computer program, and the second processor is configured to execute the computer program stored in the second memory and implement the above. The method described.

The present invention also constructs an electronic device including a third memory and a third processor. The third memory stores a computer program, and the third processor is configured to execute a computer stored in the third memory. Program and implement the method described above.

The present invention also constructs a system, which is characterized in that it includes a first electronic device and at least one second electronic device, and the first electronic device is the electronic device described above, and the second electronic device is the above device. Electronic device described above.

By implementing the technical solution of the present invention, the embedded webpage in the electronic device is used to upgrade the firmware of the electronic device, and it is no longer necessary to upgrade by manipulating third-party software, thereby avoiding software compatibility problems.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to explain the embodiments of the present invention more clearly, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Technical personnel can obtain other drawings based on these drawings without paying creative labor. In the drawings:

FIG. 1 is a flowchart of a first embodiment of a method for upgrading firmware online according to the present invention; FIG.

2 is a flowchart of a second embodiment of a method for upgrading firmware online according to the present invention;

3 is a schematic diagram of an embedded webpage of a first electronic device of the present invention;

4 is a flowchart of Embodiment 1 of step S23 in FIG. 2;

5 is a flowchart of a third embodiment of a method for upgrading firmware online according to the present invention;

FIG. 6 is a flowchart of the first embodiment of step S31 in FIG. 5.

detailed description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

FIG. 1 is a flowchart of a first embodiment of a method for upgrading firmware online according to the present invention. The method in this embodiment can upgrade the firmware of an electronic device. The first description is that the electronic device has a network module and can be connected to the server. For example, , Get the latest firmware version number from the server, and download the latest firmware from the server. In addition, the electronic device includes an embedded webpage, and one of the functions of the embedded webpage is firmware upgrade. Moreover, the user can connect the electronic device to other terminal devices (such as PC, smart phone, PAD, etc.) through the Ethernet network or wireless network, and use the terminal device to control the embedded webpage of the electronic device, thereby controlling the electronic device. Functions. In this embodiment, the method for upgrading firmware online includes the following steps:

S11. Communicate with the terminal device, so that the terminal device can control the embedded webpage of the electronic device;

S12. Receive an upgrade interface entry instruction input by a user through a terminal device, and display device information of the electronic device on the terminal device according to the upgrade interface entry instruction, where the device information includes a local firmware version number, a server side Firmware version number;

S13. Receive the upgrade instruction input by the user through the terminal device, and download the corresponding version of the electronic device firmware from the server according to the upgrade instruction.

By implementing the technical solution of this embodiment, the embedded webpage in the electronic device is used to upgrade the firmware of the electronic device, and it is no longer necessary to upgrade by manipulating third-party software, thereby avoiding the problem of software compatibility.

In an optional embodiment, further comprising:

When the upgrade is successful, a prompt message is output.

In this embodiment, an LED indicator can be set on the electronic device, and after downloading and updating the firmware is completed, the LED indicator can be controlled to blink.

In addition, the present invention also constructs an electronic device including a first memory and a first processor. The first memory stores a computer program, and the first processor is configured to execute the computer program stored in the first memory and implement the above-mentioned online firmware upgrade. method. It should be noted here that in a system including a first electronic device and a plurality of second electronic devices, both the first electronic device and the second electronic device may include a first memory and a first processor. .

FIG. 2 is a flowchart of a second embodiment of a method for upgrading firmware online according to the present invention. The first description is that a system may include a first electronic device and a plurality of second electronic devices. For example, it is used for conference collaboration. The projection system includes an RX device (first electronic device) and multiple TX devices (second electronic device). In addition, the TX device sends image data to the RX device through a wireless network, and the RX device is responsible for receiving the image transmitted by the TX device. The data is output to the projection device for playback. In addition, the first electronic device includes an embedded webpage, and the user can connect the first electronic device to other terminal devices (such as a PC, smartphone, PAD, etc.) through an Ethernet network or a wireless network, and use the terminal device to control the first electronic device. An embedded webpage of an electronic device, so that functions on the first electronic device and the second electronic device can be controlled. One of the functions of the embedded webpage is firmware upgrade. Of course, it can also include other functions, such as: setting the webpage language; setting the resolution of the output image signal; changing the device name and password; and so on.

In the method for upgrading firmware online in this embodiment, the first electronic device includes the following steps:

S21. First pairing step: pairing with at least one second electronic device;

S22. Display step: receiving an upgrade interface entry instruction input by a user through a terminal device, and displaying the first electronic device and the second electronic device successfully paired with the first electronic device on the terminal device according to the upgrade interface entry instruction. The device information of the device. The device information includes the local firmware version number and the server firmware version number. Of course, it also includes device identification information. If it is a second electronic device, it also includes the IP of the second electronic device. , The terminal device controls the embedded webpage of the first electronic device through a communication connection with the first electronic device;

S23. The first upgrade step: receiving the second electronic device to be upgraded determined by the user through the terminal device, and sending the server-side firmware version number corresponding to the second electronic device to be upgraded to the corresponding second electronic device, so that all The second electronic device downloads the corresponding version of the second electronic device firmware from the server.

In this step, for an electronic device, if the local firmware version number of the electronic device is inconsistent with the server firmware version number, it can be determined that the electronic device needs a firmware upgrade. At this time, in conjunction with FIG. 3, the user can click the corresponding electronic device Upgrade control for the device. When there are multiple electronic devices that need to be upgraded, the user can click the corresponding upgrade controls one by one or click the all upgraded controls to upgrade the firmware of all the upgradeable electronic devices.

To implement the technical solution of this embodiment, in a system including a first electronic device and a plurality of second electronic devices, the first electronic device and the plurality of second electronic devices are first paired, and then the first electronic device may be used. Embedded webpage to upgrade the firmware of the second electronic device, and it is no longer necessary to upgrade by manipulating third-party software, thereby avoiding software compatibility problems.

In a preferred embodiment, in step S23, if the electronic device to be upgraded includes both the second electronic device and the first electronic device, the following steps may be performed in conjunction with FIG. 4:

S231. Receive the first electronic device and the second electronic device to be upgraded determined by the user through the terminal device;

S232. Send the server-side firmware version number corresponding to the second electronic device to be upgraded to the corresponding second electronic device, so that the second electronic device downloads the corresponding version of the second electronic device firmware from the server;

S233. Receive the upgrade progress information returned by the second electronic device, and determine whether the upgrade of the second electronic device is successful;

In this step, in conjunction with FIG. 3, the TX device (second electronic device) will report the upgrading progress to the first electronic device in real time during the upgrading process. Of course, the upgrading progress may also be displayed in the form of a progress bar.

S234. If all the determined second electronic devices are successfully upgraded, download the corresponding version of the first electronic device firmware from the server.

After implementing the technical solution of this embodiment, after the first electronic device and a plurality of second electronic devices are paired, the embedded webpage in the first electronic device can be used to upgrade the firmware of the first electronic device and the second electronic device. . In addition, since each electronic device is forcibly restarted after the upgrade, in order to prevent the first electronic device from being restarted after the upgrade is successful, the network between the second electronic device and the first electronic device is interrupted, so that the second electronic device The firmware download is incomplete, so it is necessary to wait until the firmware download of the second electronic device is completed before updating the firmware of the first electronic device.

In an optional embodiment, step S23 further includes:

When the upgrade is successful, a prompt message is output.

FIG. 5 is a flowchart of a third embodiment of a method for upgrading firmware online according to the present invention. The first description is that a system may include a first electronic device and a plurality of second electronic devices. For example, it is used for conference collaboration. The projection system includes an RX device (first electronic device) and multiple TX devices (second electronic device). In addition, the TX device sends image data to the RX device through a wireless network. The RX device is responsible for receiving the image transmitted by the TX device. The data is output to the projection device for playback. Moreover, the first electronic device includes an embedded webpage, and the user can connect the first electronic device to other terminal devices (such as a PC, smartphone, PAD, etc.) through an Ethernet network or a wireless network, and use the terminal device to control the first electronic device. An embedded webpage of an electronic device, so that functions on the first electronic device and the second electronic device can be controlled. One of the functions of the embedded webpage is firmware upgrade. Of course, it can also include other functions, such as: setting the webpage language; setting the resolution of the output image signal; changing the device name and password; and so on.

In the method for upgrading firmware online in this embodiment, the second electronic device includes the following steps:

S31. The second pairing step: pairing with the first electronic device;

S32. Second upgrading step: receiving the corresponding server-side firmware version number from the first electronic device, and downloading the corresponding version of the second electronic device firmware from the server side, wherein the first electronic device receives user input through the terminal device The upgrade interface entry instruction, and according to the upgrade interface entry instruction, display device information of the first electronic device and the second electronic device successfully paired with the first electronic device on the terminal device, and then receive through the terminal device The user determines the second electronic device to be upgraded, and sends the server-side firmware version number corresponding to the second electronic device to be upgraded to the corresponding second electronic device, and the device information includes the local firmware version number, the server Terminal firmware version number, the terminal device controls the embedded webpage of the first electronic device through a communication connection with the first electronic device;

S33. Returning step: returning the upgrade progress information to the first electronic device.

In an optional embodiment, further comprising:

In an optional embodiment, in conjunction with FIG. 6, step S31 includes the following steps:

S311. Receive a pairing document, where the pairing document includes an SSID of the first electronic device;

S312. Perform a WIFI scan, and match the scan result with the SSID in the paired document;

S313. If the matching is successful, access the AP of the first electronic device to complete pairing.

In this embodiment, the second electronic device receives the pairing document and obtains the SSID information of the first electronic device. Moreover, at startup, a WIFI scan is performed, and the scan result is compared with the SSID in the pairing document. If the match is successful, the AP of the first electronic device is connected to complete the pairing.

Further, the pairing document further includes identification information and / or password information of the first electronic device. When the SSID matches successfully, it is further determined whether the identification information and / or password information in the pairing document match according to the scanning result. Only when the password information matches successfully, the AP of the first electronic device is accessed.

In an optional embodiment, in step S311, the paired document is received through a USB cable. Specifically, the USB cable on the second electronic device is directly connected to the USB port of the first electronic device. After the first electronic device is powered on, it will first determine whether the connected USB device is a second electronic device. If so, a pairing file will be copied to the connected second electronic device. The pairing file contains the first electronic device. The device information of the device is specifically: category, uuid (unique identifier), device name, SSID, wireless encryption mechanism, encrypted online password, etc. Based on the pairing document, the second electronic device uses the wireless network to find whether there is a first electronic device with the same pairing document nearby in the wireless network when starting up, thereby completing the pairing of the first electronic device and the second electronic device. Moreover, when the indicator on the second electronic device or the "Pairing" displayed on the OSD screen of the first electronic device turns OK, the pairing is completed.

In an optional embodiment, in step S311, the paired document is received through the mobile device. Specifically, it is first explained that the embedded webpage of the first electronic device has a function of downloading a paired document, and the embedded webpage of the second electronic device has a function of uploading a paired document. When pairing is needed, the terminal device is used to download the pairing file from the first electronic device, and then the AP of the second electronic device is turned on, and the terminal device is connected to the AP of the second electronic device to enable the embedding of the second electronic device. Webpage, enter the paired document upload interface, click upload control (upload), and upload the downloaded paired document in advance.

In an optional embodiment, in step S311, the paired document is received through a USB flash drive. Specifically: a USB flash drive is inserted into the first electronic device, and a function key is pressed. At this time, the paired document stored in advance in the first electronic device is copied to the USB flash drive. Then, insert the USB flash drive into the second electronic device and set the second electronic device as a slave device. At this time, the paired file stored in the USB flash drive is also copied to the second electronic device. When the pairing is completed, the indicator of the first electronic device will turn white.

In an optional embodiment, in step S311, the paired document is received through a USB flash drive. Specifically, a USB disk is inserted into a USB interface of a terminal device (for example, a PC). After the PC is connected to the first electronic device, the paired file can be downloaded to the USB disk through the embedded webpage of the first electronic device. Then, insert the U disk into the second electronic device. At this time, the second electronic device downloads the pairing file from the U disk to complete the pairing.

Of course, in other embodiments, step S31 may also be performed in the following manner: First, the second electronic device also includes an embedded webpage. When pairing, the user can connect the second electronic device to another terminal device (such as a PC, smartphone, PAD, etc.) through an Ethernet network or a wireless network, and enter the first electronic device in the second electronic device through the terminal device. SSID, and then enter the password if necessary to connect the second electronic device to the AP of the first electronic device to complete the pairing.

In the above embodiments, pairing is performed through WIFI. In other embodiments, pairing may also be performed through Bluetooth. Specifically: Press the pairing button on the first electronic device and enter the Bluetooth pairing mode, and then press the main + side button on the second electronic device to enter the pairing mode. Then, the second electronic device scans the first nearby device. Electronic device for Bluetooth connection.

The invention also constructs a system including a first electronic device and at least one second electronic device.

The present invention also constructs an electronic device. For example, the first electronic device in the system includes a second memory and a second processor. The second memory stores a computer program, and the second processor is configured to execute the second memory stored in the second memory. The computer program implements the method for upgrading firmware online shown in FIG. 4 above.

The present invention also constructs an electronic device. For example, the second electronic device in the system includes a third memory and a third processor. The third memory stores a computer program, and the third processor is used for The method for executing the computer program stored in the third memory and implementing the online firmware upgrade shown in FIG. 5 above.

The above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

A method for upgrading firmware online for upgrading firmware of an electronic device, which is characterized by performing the following steps:

Communicate with a terminal device so that the terminal device can control the embedded webpage of the electronic device;

Receive an upgrade interface entry instruction input by a user through a terminal device, and display device information of the electronic device on the terminal device according to the upgrade interface entry instruction, where the device information includes a local firmware version number and a server firmware version number;

Receive the upgrade instruction input by the user through the terminal device, and download the corresponding version of the electronic device firmware from the server according to the upgrade instruction.
The method for upgrading firmware online according to claim 1, further comprising:

When the upgrade is successful, a prompt message is output.
A method for upgrading firmware online is used to upgrade the firmware of an electronic device in the system. The electronic device includes a first electronic device and a plurality of second electronic devices. The first electronic device performs the following steps:

First pairing step: pairing with at least one second electronic device;

Display step: receiving an upgrade interface entry instruction input by a user through a terminal device, and displaying the first electronic device and the second electronic device successfully paired with the first electronic device on the terminal device according to the upgrade interface entry instruction. Device information, the device information including a local firmware version number and a server firmware version number, wherein the terminal device controls the embedded webpage of the first electronic device through a communication connection with the first electronic device ;

First upgrade step: receiving, by a terminal device, a second electronic device to be upgraded determined by a user, and sending a server-side firmware version number corresponding to the second electronic device to be upgraded to a corresponding second electronic device, so that the first The two electronic devices download the corresponding version of the second electronic device firmware from the server.
The method for upgrading firmware online according to claim 3, wherein the first upgrading step further comprises:

Receiving the first electronic device and the second electronic device to be upgraded determined by the user through a terminal device;

Sending the server-side firmware version number corresponding to the second electronic device to be upgraded to the corresponding second electronic device, so that the second electronic device downloads the corresponding version of the second electronic device firmware from the server;

Receiving the upgrade progress information returned by the second electronic device, and determining whether the upgrade of the second electronic device is successful;

If all the determined second electronic devices are successfully upgraded, download the corresponding version of the first electronic device firmware from the server.
The method for upgrading firmware online according to claim 4, wherein after the first upgrading step, further comprising:

The first prompt step: when the upgrade is successful, a prompt message is output.
A method for upgrading firmware online is used to upgrade the firmware of an electronic device in the system. The electronic device includes a first electronic device and a plurality of second electronic devices. The second electronic device performs the following steps:

A second pairing step: pairing with the first electronic device;

Second upgrade step: receiving the corresponding server-side firmware version number from the first electronic device, and downloading the corresponding version of the second electronic device firmware from the server, wherein the first electronic device receives the upgrade input by the user through the terminal device Interface entry instruction, and according to the upgrade interface entry instruction, display device information of the first electronic device and the second electronic device successfully paired with the first electronic device on the terminal device, and then receive the user's determination through the terminal device The second electronic device to be upgraded, and sends the server-side firmware version number corresponding to the second electronic device to be upgraded to the corresponding second electronic device, and the device information includes the local-side firmware version number and the server-side firmware A version number, the terminal device controls the embedded webpage of the first electronic device through a communication connection with the first electronic device;

Returning step: returning the upgrade progress information to the first electronic device.
The method for upgrading firmware online according to claim 6, further comprising:

The second prompt step: when the upgrade is successful, a prompt message is output.
The method according to claim 6, wherein the second pairing step comprises:

Receiving a pairing document, where the pairing document includes an SSID of the first electronic device;

Perform a WIFI scan, and match the scan result with the SSID in the paired document;

If the matching is successful, access the AP of the first electronic device to complete pairing.
The method for upgrading firmware online according to claim 8, wherein the pairing document further comprises identification information and / or password information of the first electronic device, and the AP accessing the first electronic device include:

Determining whether the identification information and / or the password information in the paired document match according to the scan result;

If the matching is successful, access the AP of the first electronic device.
The method for upgrading firmware online according to claim 8, wherein the receiving a paired file comprises:

Receive paired documents via USB cable, USB flash drive, or terminal device.
An electronic device includes a first memory and a first processor. The first memory stores a computer program, and the first processor is configured to execute a computer program stored in the first memory and implement rights. The method according to any one of claims 1-2.
An electronic device includes a second memory and a second processor. The second memory stores a computer program, and the second processor is configured to execute the computer program stored in the second memory and implement rights. The method according to any one of claims 3-5 is required.
An electronic device includes a third memory and a third processor. The third memory stores a computer program, and the third processor is configured to execute the computer program stored in the third memory and implement rights. The method according to any one of claims 6 to 10.
A system includes a first electronic device and at least one second electronic device, and the first electronic device is the electronic device according to claim 12, and the second electronic device is the device according to claim 13. Electronic device described above.