CN112667258B - 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 of an external device program of an android POS machine, wherein an updating program of the external device 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, namely, updating an apk file in a mode A; and the mode B realizes remote updating by matching with a remote OTA service. The advantages are that: the apk file can be updated through a network by a remote OTA service, so that capital investment in manpower is avoided; the apk file can be downloaded locally, so that the problem that the apk file cannot be updated successfully when the network environment has a problem is avoided; apk is packaged with the peripheral firmware update package, so that the problem of version confusion is avoided. Remote updating is carried out by matching with a remote OTA service; and the automatic execution is performed after the starting, so that the manual interference is avoided, and the investment of labor cost is reduced.
Description
Technical Field
The invention relates to the technical field of POS machine upgrading, in particular to a remote upgrading method for an external equipment 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 enables installation of external equipment programs to be strictly controlled. Therefore, a strictly effective and convenient program installation method for the POS external equipment is necessary.
Currently, the most common program installation method for external equipment of a POS machine is local installation. Although the program safety of the POS machine external equipment program is guaranteed to a certain extent, the possibility of leakage of the installation method is increased along with factors such as departure of personnel, and hidden danger exists in the safety of the android POS external equipment.
And if a manual mode is adopted, a professional person is required to bring a special line to reside on site, so that the cost in the aspect of manpower and the cost in the aspect of equipment are brought. Along with the departure of installers, the installation method has the hidden trouble of leakage. Therefore, an effective method for remotely updating the peripheral devices of the POS machine is necessary.
Disclosure of Invention
The invention aims to provide a remote upgrading method for an external equipment program of an android POS machine, so that the problems in the prior art are solved.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a remote upgrading method of an external device program of an android POS machine comprises the steps that an update program of the 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 upgrade method includes two ways,
mode A includes the steps of
1. A remote upgrading method of an external device program of an android POS machine comprises the steps that an update program of the 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 method is characterized in that: the upgrade method includes two ways,
mode A includes the steps of
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 the android POS machine through updating the apk file; according to a communication protocol between the android POS machine and the external equipment, the android POS machine initiates a request for obtaining a version to the external equipment, and obtains the version of the current external equipment according to the request;
comparing the marked version in the update package content with the obtained version of the current external device, and if the obtained version of the current external device is higher than or equal to the marked version in the update package, not executing the update action; otherwise, the updated package content is required to be sent into the external equipment, and the external equipment downloads the updated package content;
a3, after the external equipment finishes downloading, carrying out security verification on the downloaded update package content, and updating after verification is passed;
mode B includes the steps of
B1, an OTA service is installed in the android POS machine, and after the android POS machine is started, the file name of an update package in a contracted path of external equipment is sent to a background server responsible for updating;
b2, judging whether a compressed package file agreed in a naming mode of an update package exists in an agreed path, if not, notifying a background server responsible for updating by OTA service, and if no, updating the package by external equipment does not exist in the current android POS machine; after knowing that the currently connected android POS does not have a peripheral update package, the server responsible for updating informs the OTA service that the latest external device update package needs to be downloaded, and after receiving the notification, the OTA service downloads the latest version of the external device update package appointed by the update server into the appointed path by initiating an update package request of the external device update package; if yes, the OTA service sends the file name of the external device update package in the current appointed path to a server responsible for updating, and the server responsible for updating receives the name of the external device update package in the current android POS machine sent by the OTA service;
comparing the version of the update package with the version of the update package of the latest external device on the current server in charge of updating according to the update package name; if the version of the latest external equipment update package in the server currently responsible for updating is higher than the version of the update package sent by the OTA, notifying the OTA service that an update request of the external equipment update package needs to be initiated; if the version of the update package of the latest external device in the server currently responsible for updating is lower than or equal to the version of the update package uploaded by the OTA, notifying the OTA service that the update is not needed; after receiving the instruction sent by the update background, the OTA service initiates an external device update package downloading request if the update is needed, executes the downloading action of the external device update package, and enters step B3;
b3, after the application program is started, judging whether an external device update package exists in the appointed path, and if not, executing other transaction flows of the subsequent application program; if so, 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 device according to the method agreed with the external device; the application program compares the model information in the version information sent by the currently connected external device with the model information in the version read in the update package, and compares the detailed version after finding the same device model;
if the version sent by the current external device is higher or equal to the version of the corresponding device model marked in the update package, the update requirement is not initiated; otherwise, the updating requirement is initiated to the external equipment, and the corresponding downloading flow is executed.
Preferably, the naming mode of the update package is 5 byte model+2 byte type+6 byte packing date+00. Zip; when the model is less than 5 bytes, the last 0 is adopted to make up 5 bytes.
Preferably, the file path in the update package comprises two stages, namely a root path and a model path; the root path is stored with a first configuration file taking ini as a suffix and a second-level folder named by a model, wherein the number of the second-level folders in the update package is marked in the first configuration file; the model path is stored with a second configuration file taking ini as a suffix and other files named by the model; the second configuration file is an update configuration file responsible for specific update time; the other files are program files needed in the updating process of the external equipment; the naming rules of the secondary folder and other files are consistent with the model names obtained from the external equipment by the android POS machine through a 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 input parameter, and then the update package is downloaded to realize update; when an application program running on the android POS machine calls the mode B, traversing the agreed path in the android POS machine, acquiring an update package according to the agreed path between the android POS machine and OTA service, and downloading the update package to realize updating; there is one and only one update package in the contracted path.
Preferably, after the update package is obtained, the external device model information configured in the first configuration file can be obtained through the root path of the file in the update package; comparing whether the model of the currently connected external device is consistent with the model information of the external device configured in the acquired first configuration file, and if so, determining that the updated content is stored in a model path of the update package.
Preferably, after determining that the update content is stored in the model path, acquiring versions of all 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 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 device, and recording the version of the updatable module to form 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.
Preferably, the versions of the updatable modules in the update package are read one by one according to the final update file list, and the read versions of the updatable modules are written into the current external device; and updating the corresponding modules one by using the versions of the updatable modules according to the writing sequence, so as to realize the updating purpose.
Preferably, in step A3, the security verification of the downloaded update file is specifically that a signature verification mechanism is provided in the external device, the downloaded update file is subjected to signature verification, and if the downloaded update file is correctly signed, the security verification is passed.
The beneficial effects of the invention are as follows: 1. the apk file can be updated through a network by a remote OTA service, so that capital investment in manpower is avoided; the apk file can be downloaded locally, so that the problem that the apk file cannot be updated successfully when the network environment has a problem is avoided; apk is packaged with the peripheral firmware update package, so that the problem of version confusion is avoided. 4. Remote updating is carried out by matching with a remote OTA service; and the automatic execution is performed after the starting, so that the manual interference is avoided, and the investment of labor cost is reduced.
Drawings
FIG. 1 is a flow chart of a remote upgrade method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a configuration file in a root path in 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
The present invention will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description is presented by way of example only and is not intended to limit the invention.
As shown in fig. 1, in this embodiment, a remote upgrade method for an external device program of an android POS machine is provided, where an update program of the external device is stored in an update package in a compressed manner in the form of an executable file, and the update package is released in the form of a compressed package; the upgrade method includes two ways,
mode A includes the steps of
1. A remote upgrading method of an external device program of an android POS machine comprises the steps that an update program of the 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 method is characterized in that: the upgrade method includes two ways,
mode A includes the steps of
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 the android POS machine through updating the apk file; according to a communication protocol between the android POS machine and the external equipment, the android POS machine initiates a request for obtaining a version to the external equipment, and obtains the version of the current external equipment according to the request;
comparing the marked version in the update package content with the obtained version of the current external device, and if the obtained version of the current external device is higher than or equal to the marked version in the update package, not executing the update action; otherwise, the updated package content is required to be sent into the external equipment, and the external equipment downloads the updated package content;
a3, after the external equipment finishes downloading, carrying out security verification on the downloaded update package content, and updating after verification is passed;
mode B includes the steps of
B1, an OTA service is installed in the android POS machine, and after the android POS machine is started, the file name of an update package in a contracted path of external equipment is sent to a background server responsible for updating;
b2, judging whether a compressed package file agreed in a naming mode of an update package exists in an agreed path, if not, notifying a background server responsible for updating by OTA service, and if no, updating the package by external equipment does not exist in the current android POS machine; after knowing that the currently connected android POS does not have a peripheral update package, the server responsible for updating informs the OTA service that the latest external device update package needs to be downloaded, and after receiving the notification, the OTA service downloads the latest version of the external device update package appointed by the update server into the appointed path by initiating an update package request of the external device update package; if yes, the OTA service sends the file name of the external device update package in the current appointed path to a server responsible for updating, and the server responsible for updating receives the name of the external device update package in the current android POS machine sent by the OTA service;
comparing the version of the update package with the version of the update package of the latest external device on the current server in charge of updating according to the update package name; if the version of the latest external equipment update package in the server currently responsible for updating is higher than the version of the update package sent by the OTA, notifying the OTA service that an update request of the external equipment update package needs to be initiated; if the version of the update package of the latest external device in the server currently responsible for updating is lower than or equal to the version of the update package uploaded by the OTA, notifying the OTA service that the update is not needed; after receiving the instruction sent by the update background, the OTA service initiates an external device update package downloading request if the update is needed, executes the downloading action of the external device update package, and enters step B3;
b3, after the application program is started, judging whether an external device update package exists in the appointed path, and if not, executing other transaction flows of the subsequent application program; if so, 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 device according to the method agreed with the external device; the application program compares the model information in the version information sent by the currently connected external device with the model information in the version read in the update package, and compares the detailed version after finding the same device model;
if the version sent by the current external device is higher or equal to the version of the corresponding device model marked in the update package, the update requirement is not initiated; otherwise, the updating requirement is initiated to the external equipment, and the corresponding downloading flow is executed.
Apk file: executable files of the android system application program; OTA calls over the air entirely, and OTA upgrade is a standard software upgrade mode provided by the android system. The system has powerful functions, provides a complete upgrading and incremental upgrading mode, and can be upgraded through an SD card or a network. The apk file may be updated remotely by an OTA service or may be installed locally.
In this embodiment, the naming mode of the update package is 5 byte model+2 byte type+6 byte packing date+00. Zip; when the model is less than 5 bytes, the last 0 is adopted to make up 5 bytes.
In this embodiment, the file path in the update package includes two stages, that is, a root path (first path) and a model path (second path); the root path is stored with a first configuration file taking ini as a suffix and a second-level folder named by a model, wherein the number of the second-level folders in the update package is marked in the first configuration file; the model path is stored with a second configuration file taking ini as a suffix and other files named by the model; the second configuration file is an update configuration file responsible for specific update time; the other files are program files needed in the updating process of the external equipment; the naming rules of the secondary folder and other files are consistent with the model names obtained from the external equipment by the android POS machine through a protocol.
In this embodiment, the configuration file is suffixed with. Ini, which facilitates editing and modification on a common PC system such as windows, linux.
Referring to fig. 2 and 3, the first profile of fig. 2 is explained as follows,
[ DIRNUM ] the intra-node key parameter is used as a credential for acquiring the number of the secondary files.
dirnum=2: the number of secondary folders in the update package is marked.
[ DIR01]: first section flag, intra-section key parameter is first second level path name.
dirname=v1200. One of the external device model names supporting update in the new version released externally
[ DIR02]: second section flag, intra-section key parameter is second level path name.
dirname=f10d0: one of the external device model names supporting update in the new version released externally
The second configuration file in figure 3 is explained as follows,
[ FILENUM ] acquiring the total number of updated files according to the key value parameter under the section
filenum=3 total number of updated files in model path
[ FILE01] first updated FILE tag
filename of first updated file =boot_200330. Bin
version=f1000c 021033000 version of the first updated file
type = boot: first updated text
In this embodiment, when the application running on the android POS machine invokes the mode a, the path of the update package is obtained according to the path of the input parameter, and then the update package is downloaded to implement update; when an application program running on the android POS machine calls the mode B, traversing the agreed path in the android POS machine, acquiring an update package according to the agreed path between the android POS machine and OTA service, and downloading the update package to realize updating; there is one and only one update package in the contracted path.
In this embodiment, after the update package is obtained, the external device model information configured in the first configuration file can be obtained through the root path of the file in the update package; comparing whether the model of the currently connected external device is consistent with the model information of the external device configured in the acquired first configuration file, and if so, determining that the updated content is stored in a model path of the update package.
In this embodiment, after determining that the update content is stored in the model path, versions of all updatable modules marked in the second configuration file are obtained and compared with the version list of the currently connected external device 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 device needs to be updated, and the version of the updatable module is recorded to form 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.
In this embodiment, according to the final update file list, versions of the updatable modules in the update package are read one by one, and the read versions of the updatable modules are written into the current external device; and updating the corresponding modules one by using the versions of the updatable modules according to the writing sequence, so as to realize 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 of an android POS machine external equipment program, wherein an apk file can be updated through a network by a remote OTA service, so that capital investment in manpower is avoided; the apk file can be downloaded locally, so that the problem that the apk file cannot be updated successfully when the network environment has a problem is avoided; apk is packaged with the peripheral firmware update package, so that the problem of version confusion is avoided. Remote updating is carried out by matching with a remote OTA service; and the automatic execution is performed after the starting, so that the manual interference is avoided, and the investment of labor cost is reduced.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which is also intended to be covered by the present invention.
Claims (6)
1. A remote upgrading method of an external device program of an android POS machine comprises the steps that an update program of the 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 method is characterized in that: the upgrading method comprises
B1, an OTA service is installed in the android POS machine, and after the android POS machine is started, the file name of an update package in a contracted path of external equipment is sent to a background server responsible for updating;
b2, judging whether a compressed package file agreed in a naming mode of an update package exists in an agreed path, if not, notifying a background server responsible for updating by OTA service, and if no, updating the package by external equipment does not exist in the current android POS machine; after knowing that the currently connected android POS does not have a peripheral update package, the server responsible for updating informs the OTA service that the latest external device update package needs to be downloaded, and after receiving the notification, the OTA service downloads the latest version of the external device update package appointed by the update server into the appointed path by initiating an update package request of the external device update package; if yes, the OTA service sends the file name of the external device update package in the current appointed path to a server responsible for updating, and the server responsible for updating receives the name of the external device update package in the current android POS machine sent by the OTA service;
comparing the version of the update package with the version of the update package of the latest external device on the current server in charge of updating according to the update package name; if the version of the latest external equipment update package in the server currently responsible for updating is higher than the version of the update package sent by the OTA, notifying the OTA service that an update request of the external equipment update package needs to be initiated; if the version of the update package of the latest external device in the server currently responsible for updating is lower than or equal to the version of the update package uploaded by the OTA, notifying the OTA service that the update is not needed; after receiving the instruction sent by the update background, the OTA service initiates an external device update package downloading request if the update is needed, executes the downloading action of the external device update package, and enters step B3;
b3, after the application program is started, judging whether an external device update package exists in the appointed path, and if not, executing other transaction flows of the subsequent application program; if so, 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 device according to the method agreed with the external device; the application program compares the model information in the version information sent by the currently connected external device with the model information in the version read in the update package, and compares the detailed version after finding the same device model;
if the version sent by the current external device is higher or equal to the version of the corresponding device model marked in the update package, the update requirement is not initiated; otherwise, initiating an update request to the external equipment, and executing a corresponding downloading flow;
the file path in the update package comprises two stages, namely a root path and a model path; the root path is stored with a first configuration file taking ini as a suffix and a second-level folder named by a model, wherein the number of the second-level folders in the update package is marked in the first configuration file; the model path is stored with a second configuration file taking ini as a suffix and other files named by the model; the second configuration file is an update configuration file responsible for specific update time; the other files are program files needed in the updating process of the external equipment; the naming rules of the secondary folder and other files are consistent with the model names obtained from the external equipment by the android POS machine through a protocol;
when the upgrading method is operated on the android POS machine, traversing the agreed path in the android POS machine, acquiring an update package according to the agreed path between the android POS machine and OTA service, and downloading the update package to realize updating; there is one and only one update package in the contracted path.
2. The remote upgrade method for the android POS machine external equipment program according to claim 1, which is characterized in that: the naming mode of the update package is 5 byte machine type+2 byte type+6 byte packing date+00. Zip; when the model is less than 5 bytes, the last 0 is adopted to make up 5 bytes.
3. The remote upgrade method for the android POS machine external equipment program according to claim 1, which is characterized in that: after the update package is obtained, the model information of the external equipment configured in the first configuration file can be obtained through the root path of the file in the update package; comparing whether the model of the currently connected external device is consistent with the model information of the external device configured in the acquired first configuration file, and if so, determining that the updated content is stored in a model path of the update package.
4. The remote upgrade method of the android POS machine external equipment program according to claim 3, wherein the remote upgrade method is characterized by comprising the following steps: after the update content is determined to be stored in the model path, the versions of all the updatable modules marked in the second configuration file are obtained and are compared with the version list of the currently connected external device 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 device needs to be updated, and the version of the updatable module is recorded 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.
5. The remote upgrade method of the android POS machine external equipment program according to claim 4, wherein the remote upgrade method is characterized by comprising the following steps: reading versions of the updatable modules in the update package one by one according to the final update file list, and writing the read versions of the updatable modules into the current external device; and updating the corresponding modules one by using the versions of the updatable modules according to the writing sequence, so as to realize the updating purpose.
6. The remote upgrade method for the android POS machine external equipment program according to claim 1, which is characterized in that: and carrying out security verification on the downloaded update file, wherein a signature verification mechanism is arranged in the external device, carrying out signature verification on the downloaded update file, and if the downloaded update file is correctly signed, indicating that the security verification is passed.
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