CN112667258A - Remote upgrading method for external equipment program of android POS machine - Google Patents
Remote upgrading method for external equipment program of android POS machine Download PDFInfo
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Abstract
The invention discloses a remote upgrading method for an external equipment program of an android POS machine, wherein an updating program of the external equipment is compressed and stored in an updating package in the form of an executable file, and the updating package is released in the form of a compressed package; the upgrading method comprises two modes, wherein the mode A updates the apk file; and the mode B realizes remote updating by matching with the remote OTA service. The advantages are that: the apk file can be updated over the network through remote OTA services, avoiding capital investment in human resources; the apk file can be downloaded locally, so that the situation that the updating cannot be successfully carried out when the network environment has problems is avoided; apk is packaged with peripheral firmware update package to avoid version confusion. Remote updating is carried out in cooperation with a remote OTA service; the automatic execution after the start-up avoids the manual interference, reduces the input of human cost.
Description
Technical Field
The invention relates to the technical field of POS machine upgrading, in particular to a remote upgrading method for an external device program of an android POS machine.
Background
The android POS machine is widely popularized and applied to various industries, and the payment function of the android POS machine ensures that the installation of an external equipment program must be strictly controlled. Therefore, a strict, effective and convenient method for installing the program of the POS external equipment is necessary.
Currently, the most common method for installing programs for external devices of a POS is local installation. Although the program safety of the external equipment program of the POS machine is ensured to a certain extent, the possibility of leakage of the installation method is increased along with factors such as the departure of costumers, and the like, so that the safety of the external equipment of the android POS machine is hidden.
The android POS machine needs maintenance such as installation, upgrading of external device program in the use, if adopt artificial mode, needs professional people to take dedicated line, advances to stay on-the-spot, has brought the cost in the aspect of the manpower, the cost in the aspect of the equipment. With the departure of installation personnel, the installation method has the hidden trouble of leakage. Therefore, an effective method for remotely updating the peripheral of the POS machine is necessary.
Disclosure of Invention
The invention aims to provide a remote upgrading method for an external device program of an android POS machine, so as to solve the problems in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a remote upgrade method for external equipment program of android POS machine is disclosed, wherein the update program of the external equipment is stored in an update package in a compression mode of an executable file, and the update package is issued in a compression mode; the upgrading method comprises two modes of an upgrading method,
the method A comprises the following steps
1. A remote upgrade method for external equipment program of android POS machine is disclosed, wherein the update program of the external equipment is stored in an update package in a compression mode of an executable file, and the update package is issued in a compression mode; the method is characterized in that: the upgrading method comprises two modes of an upgrading method,
the method A comprises the following steps
A1, packaging the update package into an apk file of the android POS machine in a resource file form on an application program;
a2, downloading the update package to an android POS machine through the update apk file; according to a communication protocol between the android POS machine and the external equipment, the android POS machine initiates a request for acquiring a version to the external equipment, and acquires the version of the current external equipment according to the request;
comparing the version marked in the content of the update package with the version of the current external equipment, and if the version of the current external equipment is higher than or equal to the version marked in the update package, not executing the update action; otherwise, the updating package content needs to be sent to the external equipment, and the external equipment downloads the updating package content;
a3, after the external device finishes downloading, the downloaded update package content is subjected to security verification, and the update package content is updated after the verification is passed;
the method B comprises the following steps
B1, installing OTA service in the android POS machine, and sending the file name of an update package in an appointed path of the external equipment to a background server responsible for updating after the android POS machine is started;
b2, judging whether a compressed packet file agreed by the naming mode of the update packet exists in the agreed path, if not, informing a background server responsible for updating by the OTA service, and if the update packet does not exist in the current android POS machine, judging that the update packet of the external equipment does not exist in the agreed path; after the server in charge of updating learns that the peripheral update package does not exist in the currently connected android POS, the server notifies the OTA service that the latest external equipment update package needs to be downloaded, and after receiving the notification, the OTA service downloads the external equipment update package of the latest version specified by the update server into an appointed path by initiating an external equipment update package update request; if so, the OTA service uploads the file name of the external equipment update package in the current appointed path to the server in charge of updating, and the server in charge of updating receives the external equipment update package name existing in the current android POS machine uploaded by the OTA service;
comparing the version of the update package with the version of the latest external equipment update package on the server which is currently in charge of updating according to the name of the update package; if the version of the latest external equipment update package in the server which is currently in charge of updating is higher than the version of the update package uploaded by the OTA, informing the OTA service that an update request of the external equipment update package needs to be initiated; if the version of the latest external equipment update package in the server which is currently in charge of updating is lower than or equal to the version of the update package uploaded by the OTA, informing the OTA that the service does not need to be updated; after receiving the instruction sent by the update background, if the update is needed, the OTA service initiates an update package downloading request of the external device, executes a downloading action of the update package of the external device, and proceeds to step B3;
b3, after the application program is started, judging whether an external equipment update package exists in the appointed path, if not, executing other transaction flows of the subsequent application program; if the external equipment version exists, reading the version of the program in the update package marked on the configuration file in the update package, and acquiring the version of the currently connected external equipment according to a method agreed with the external equipment; the application program compares the model information in the version information sent by the currently connected external equipment with the model information in the version read in the update package one by one, and compares the detailed versions after finding the same equipment model;
if the version sent by the current external equipment is higher than or equal to the version of the corresponding equipment model marked in the update package, the update requirement is not initiated; otherwise, initiating an updating requirement to the external device and executing a corresponding downloading process.
Preferably, the update package is named in a way of 5 byte type +2 byte type +6 byte packing date +00. zip; when the machine type is less than 5 bytes, 5 bytes are made up by adopting a mode of complementing 0 at the tail.
Preferably, the file path in the update package includes two stages, which are a root path and a model path respectively; a first configuration file with ini as a suffix and a secondary folder named by a machine type are stored in the root path, and the number of the secondary folders in the update package is marked in the first configuration file; a second configuration file taking ini as a suffix and other files named by the model are stored in the model path; the second configuration file is an updating configuration file responsible for specific updating time; the other files are program files required to be used in the updating process of the external equipment; the naming rules of the secondary file folder and other files are the same as the model names acquired by the android POS machine from the external equipment through the protocol.
Preferably, when the application program running on the android POS machine calls the mode a, the path of the update package is obtained according to the path of the incoming parameter, and the update package is downloaded to implement the update; when the application program running on the android POS machine calls the mode B, traversing the appointed internal path of the android POS machine, acquiring an update package according to the appointed path between the android POS machine and OTA service, and further downloading the update package to realize updating; there is one and only one update package in the agreed-upon path.
Preferably, after the update package is acquired, the external device model information configured in the first configuration file can be acquired through a root path of a file in the update package; and comparing whether the type of the currently connected external equipment is consistent with the type information of the external equipment configured in the acquired first configuration file, and if so, determining that the updating content is stored in the type path of the updating packet.
Preferably, after the update content is determined to be stored in the machine type path, acquiring the versions of all the updatable modules marked in the second configuration file, comparing the versions with the version list of the currently connected external equipment one by one, if the version number of a certain version in the version list is lower than the version of the corresponding updatable module, the corresponding module of the current external equipment needs to be updated, recording the version of the updatable module, and forming an update file list; and circularly comparing all modules of the current external equipment until all modules in the current external equipment are judged to be finished, exiting the circulation and generating a final updated file list.
Preferably, according to the final update file list, the versions of the updatable modules in the update package are read one by one, and the read version of the updatable module is written into the current external equipment; and updating the corresponding modules by using the versions of the updatable modules one by one according to the writing sequence to achieve the updating purpose.
Preferably, in step a3, the step of performing security verification on the downloaded update file is specifically to arrange a signature verification mechanism in the external device, perform signature verification on the downloaded update file, and if the downloaded update file is correctly signed, indicate that the security verification is passed.
The invention has the beneficial effects that: 1. the apk file can be updated over the network through remote OTA services, avoiding capital investment in human resources; the apk file can be downloaded locally, so that the situation that the updating cannot be successfully carried out when the network environment has problems is avoided; apk is packaged with peripheral firmware update package to avoid version confusion. 4. Remote updating is carried out in cooperation with a remote OTA service; the automatic execution after the start-up avoids the manual interference, reduces the input of human cost.
Drawings
FIG. 1 is a flow chart of a remote upgrade method in an embodiment of the present invention;
FIG. 2 is a diagram illustrating configuration files in a root path according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a configuration file in a model path in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, in this embodiment, a remote upgrade method for an external device program of an android POS is provided, where an update program of an external device is compressed and stored in an update package in the form of an executable file, and the update package is released in the form of a compressed package; the upgrading method comprises two modes of an upgrading method,
the method A comprises the following steps
1. A remote upgrade method for external equipment program of android POS machine is disclosed, wherein the update program of the external equipment is stored in an update package in a compression mode of an executable file, and the update package is issued in a compression mode; the method is characterized in that: the upgrading method comprises two modes of an upgrading method,
the method A comprises the following steps
A1, packaging the update package into an apk file of the android POS machine in a resource file form on an application program;
a2, downloading the update package to an android POS machine through the update apk file; according to a communication protocol between the android POS machine and the external equipment, the android POS machine initiates a request for acquiring a version to the external equipment, and acquires the version of the current external equipment according to the request;
comparing the version marked in the content of the update package with the version of the current external equipment, and if the version of the current external equipment is higher than or equal to the version marked in the update package, not executing the update action; otherwise, the updating package content needs to be sent to the external equipment, and the external equipment downloads the updating package content;
a3, after the external device finishes downloading, the downloaded update package content is subjected to security verification, and the update package content is updated after the verification is passed;
the method B comprises the following steps
B1, installing OTA service in the android POS machine, and sending the file name of an update package in an appointed path of the external equipment to a background server responsible for updating after the android POS machine is started;
b2, judging whether a compressed packet file agreed by the naming mode of the update packet exists in the agreed path, if not, informing a background server responsible for updating by the OTA service, and if the update packet does not exist in the current android POS machine, judging that the update packet of the external equipment does not exist in the agreed path; after the server in charge of updating learns that the peripheral update package does not exist in the currently connected android POS, the server notifies the OTA service that the latest external equipment update package needs to be downloaded, and after receiving the notification, the OTA service downloads the external equipment update package of the latest version specified by the update server into an appointed path by initiating an external equipment update package update request; if so, the OTA service uploads the file name of the external equipment update package in the current appointed path to the server in charge of updating, and the server in charge of updating receives the external equipment update package name existing in the current android POS machine uploaded by the OTA service;
comparing the version of the update package with the version of the latest external equipment update package on the server which is currently in charge of updating according to the name of the update package; if the version of the latest external equipment update package in the server which is currently in charge of updating is higher than the version of the update package uploaded by the OTA, informing the OTA service that an update request of the external equipment update package needs to be initiated; if the version of the latest external equipment update package in the server which is currently in charge of updating is lower than or equal to the version of the update package uploaded by the OTA, informing the OTA that the service does not need to be updated; after receiving the instruction sent by the update background, if the update is needed, the OTA service initiates an update package downloading request of the external device, executes a downloading action of the update package of the external device, and proceeds to step B3;
b3, after the application program is started, judging whether an external equipment update package exists in the appointed path, if not, executing other transaction flows of the subsequent application program; if the external equipment version exists, reading the version of the program in the update package marked on the configuration file in the update package, and acquiring the version of the currently connected external equipment according to a method agreed with the external equipment; the application program compares the model information in the version information sent by the currently connected external equipment with the model information in the version read in the update package one by one, and compares the detailed versions after finding the same equipment model;
if the version sent by the current external equipment is higher than or equal to the version of the corresponding equipment model marked in the update package, the update requirement is not initiated; otherwise, initiating an updating requirement to the external device and executing a corresponding downloading process.
An apk file: an executable file of an android system application; OTA is called over the air completely, and OTA upgrading is a standard software upgrading mode provided by an android system. The system has powerful functions, provides complete upgrading and incremental upgrading modes, and can be upgraded through an SD card or a network. The apk file can be updated remotely through OTA services or can be installed locally.
In this embodiment, the update package is named in a 5-byte machine type + 2-byte type + 6-byte packing date +00. zip; when the machine type is less than 5 bytes, 5 bytes are made up by adopting a mode of complementing 0 at the tail.
In this embodiment, the file path in the update package includes two levels, which are a root path (first path) and a model path (second path), respectively; a first configuration file with ini as a suffix and a secondary folder named by a machine type are stored in the root path, and the number of the secondary folders in the update package is marked in the first configuration file; a second configuration file taking ini as a suffix and other files named by the model are stored in the model path; the second configuration file is an updating configuration file responsible for specific updating time; the other files are program files required to be used in the updating process of the external equipment; the naming rules of the secondary file folder and other files are the same as the model names acquired by the android POS machine from the external equipment through the protocol.
In the embodiment, the configuration file takes ini as a suffix, so that the configuration file is convenient to edit and modify on common PC systems such as windows and Linux.
Referring to fig. 2 and 3, a first configuration file in fig. 2 is explained as follows,
DIRNUM, the intra-segment key value parameter is used as the evidence for obtaining the number of the secondary files.
dirnum ═ 2: and marking the number of the second-level folders in the update package.
DIR01, first section label, intra-section key parameter is the first secondary pathname.
V1200, one of the external device model names supporting updating in the new version released externally
DIR02, second section label, the intra-section key parameter is the second secondary pathname.
F10D0, one of the external device model names supporting update in the new version released to the outside
The second configuration file in figure 3 is explained as follows,
(FILENUM) acquiring the total number of the updated files according to the key value parameter under the section
Total number of files updated in model path
File01 first updated File tag
filename _200330.bin the filename of the first updated file
version of the first updated file F1000C021033000
type-boot, the first updated document
In this embodiment, when the application running on the android POS machine calls the mode a, the path of the update package is obtained according to the path of the incoming parameter, and the update package is downloaded to implement updating; when the application program running on the android POS machine calls the mode B, traversing the appointed internal path of the android POS machine, acquiring an update package according to the appointed path between the android POS machine and OTA service, and further downloading the update package to realize updating; there is one and only one update package in the agreed-upon path.
In this embodiment, after the update package is obtained, the external device model information configured in the first configuration file may be obtained through the root path of the file in the update package; and comparing whether the type of the currently connected external equipment is consistent with the type information of the external equipment configured in the acquired first configuration file, and if so, determining that the updating content is stored in the type path of the updating packet.
In this embodiment, after determining that the update content is stored in the machine type path, acquiring versions of all the updatable modules marked in the second configuration file, comparing the versions with a version list of the currently connected external device one by one, if a version number of a certain version in the version list is lower than that of the corresponding updatable module, the corresponding module of the currently connected external device needs to be updated, and recording the version of the updatable module to form an update file list; and circularly comparing all modules of the current external equipment until all modules in the current external equipment are judged to be finished, exiting the circulation and generating a final updated file list.
In this embodiment, according to the final update file list, the versions of the updatable modules in the update package are read one by one, and the read version of the updatable module is written into the current external device; and updating the corresponding modules by using the versions of the updatable modules one by one according to the writing sequence to achieve the updating purpose.
By adopting the technical scheme disclosed by the invention, the following beneficial effects are obtained:
the invention provides a remote upgrading method for an external equipment program of an android POS machine, wherein an apk file can be updated through a remote OTA service through a network, so that the capital investment in the aspect of manpower is avoided; the apk file can be downloaded locally, so that the situation that the updating cannot be successfully carried out when the network environment has problems is avoided; apk is packaged with peripheral firmware update package to avoid version confusion. Remote updating is carried out in cooperation with a remote OTA service; the automatic execution after the start-up avoids the manual interference, reduces the input of human cost.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements should also be considered within the scope of the present invention.
Claims (8)
1. A remote upgrade method for external equipment program of android POS machine is disclosed, wherein the update program of the external equipment is stored in an update package in a compression mode of an executable file, and the update package is issued in a compression mode; the method is characterized in that: the upgrading method comprises two modes of an upgrading method,
the method A comprises the following steps
A1, packaging the update package into an apk file of the android POS machine in a resource file form on an application program;
a2, downloading the update package to an android POS machine through the update apk file; according to a communication protocol between the android POS machine and the external equipment, the android POS machine initiates a request for acquiring a version to the external equipment, and acquires the version of the current external equipment according to the request;
comparing the version marked in the content of the update package with the version of the current external equipment, and if the version of the current external equipment is higher than or equal to the version marked in the update package, not executing the update action; otherwise, the updating package content needs to be sent to the external equipment, and the external equipment downloads the updating package content;
a3, after the external device finishes downloading, the downloaded update package content is subjected to security verification, and the update package content is updated after the verification is passed;
the method B comprises the following steps
B1, installing OTA service in the android POS machine, and sending the file name of an update package in an appointed path of the external equipment to a background server responsible for updating after the android POS machine is started;
b2, judging whether a compressed packet file agreed by the naming mode of the update packet exists in the agreed path, if not, informing a background server responsible for updating by the OTA service, and if the update packet does not exist in the current android POS machine, judging that the update packet of the external equipment does not exist in the agreed path; after the server in charge of updating learns that the peripheral update package does not exist in the currently connected android POS, the server notifies the OTA service that the latest external equipment update package needs to be downloaded, and after receiving the notification, the OTA service downloads the external equipment update package of the latest version specified by the update server into an appointed path by initiating an external equipment update package update request; if so, the OTA service uploads the file name of the external equipment update package in the current appointed path to the server in charge of updating, and the server in charge of updating receives the external equipment update package name existing in the current android POS machine uploaded by the OTA service;
comparing the version of the update package with the version of the latest external equipment update package on the server which is currently in charge of updating according to the name of the update package; if the version of the latest external equipment update package in the server which is currently in charge of updating is higher than the version of the update package uploaded by the OTA, informing the OTA service that an update request of the external equipment update package needs to be initiated; if the version of the latest external equipment update package in the server which is currently in charge of updating is lower than or equal to the version of the update package uploaded by the OTA, informing the OTA that the service does not need to be updated; after receiving the instruction sent by the update background, if the update is needed, the OTA service initiates an update package downloading request of the external device, executes a downloading action of the update package of the external device, and proceeds to step B3;
b3, after the application program is started, judging whether an external equipment update package exists in the appointed path, if not, executing other transaction flows of the subsequent application program; if the external equipment version exists, reading the version of the program in the update package marked on the configuration file in the update package, and acquiring the version of the currently connected external equipment according to a method agreed with the external equipment; the application program compares the model information in the version information sent by the currently connected external equipment with the model information in the version read in the update package one by one, and compares the detailed versions after finding the same equipment model;
if the version sent by the current external equipment is higher than or equal to the version of the corresponding equipment model marked in the update package, the update requirement is not initiated; otherwise, initiating an updating requirement to the external device and executing a corresponding downloading process.
2. The remote upgrading method of the peripheral equipment program of the android POS machine according to claim 1, characterized in that: the naming mode of the update package is 5 byte type +2 byte type +6 byte packing date +00. zip; when the machine type is less than 5 bytes, 5 bytes are made up by adopting a mode of complementing 0 at the tail.
3. The remote upgrading method of the peripheral equipment program of the android POS machine according to claim 2, characterized in that: the file paths in the update package comprise two stages, namely a root path and a model path; a first configuration file with ini as a suffix and a secondary folder named by a machine type are stored in the root path, and the number of the secondary folders in the update package is marked in the first configuration file; a second configuration file taking ini as a suffix and other files named by the model are stored in the model path; the second configuration file is an updating configuration file responsible for specific updating time; the other files are program files required to be used in the updating process of the external equipment; the naming rules of the secondary file folder and other files are the same as the model names acquired by the android POS machine from the external equipment through the protocol.
4. The remote upgrading method of the peripheral equipment program of the android POS machine, according to claim 3, characterized in that: when an application program running on the android POS machine calls the mode A, acquiring a path of an update package according to a path of an incoming parameter, and further downloading the update package to realize updating; when the application program running on the android POS machine calls the mode B, traversing the appointed internal path of the android POS machine, acquiring an update package according to the appointed path between the android POS machine and OTA service, and further downloading the update package to realize updating; there is one and only one update package in the agreed-upon path.
5. The remote upgrading method of the peripheral equipment program of the android POS machine, according to claim 4, characterized in that: after the update package is obtained, the external equipment model information configured in the first configuration file can be obtained through the root path of the file in the update package; and comparing whether the type of the currently connected external equipment is consistent with the type information of the external equipment configured in the acquired first configuration file, and if so, determining that the updating content is stored in the type path of the updating packet.
6. The remote upgrading method of the peripheral equipment program of the android POS machine, according to claim 5, characterized in that: after the updated content is determined to be stored in the machine type path, acquiring the versions of all the updatable modules marked in the second configuration file, comparing the versions with the version list of the currently connected external equipment one by one, if the version number of a certain version in the version list is lower than the version of the corresponding updatable module, updating the corresponding module of the current external equipment, recording the version of the updatable module, and forming an updated file list; and circularly comparing all modules of the current external equipment until all modules in the current external equipment are judged to be finished, exiting the circulation and generating a final updated file list.
7. The remote upgrading method of the peripheral equipment program of the android POS machine, according to claim 6, characterized in that: according to the final update file list, reading the versions of the updatable modules in the update package one by one, and writing the read version of the updatable module into the current external equipment; and updating the corresponding modules by using the versions of the updatable modules one by one according to the writing sequence to achieve the updating purpose.
8. The remote upgrading method of the peripheral equipment program of the android POS machine according to claim 1, characterized in that: in step a3, the specific step of performing security verification on the downloaded update file is to arrange a signature verification mechanism in the external device, perform signature verification on the downloaded update file, and if the downloaded update file is correctly signed, indicate that the security verification is passed.
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