CN102938856B - Software upgrading method and device of cardless conditional access system - Google Patents
Software upgrading method and device of cardless conditional access system Download PDFInfo
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- CN102938856B CN102938856B CN201210479624.7A CN201210479624A CN102938856B CN 102938856 B CN102938856 B CN 102938856B CN 201210479624 A CN201210479624 A CN 201210479624A CN 102938856 B CN102938856 B CN 102938856B
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Abstract
The invention discloses a software upgrading method and device of a cardless conditional access system. The method comprises the following steps of: in a system storage device, separately storing a mapping table in which a remote control key value is one-to-one corresponding to an operation index value in a way of being independent of a software upgrading program; and when software is upgraded, receiving a code value input by the remote controller, searching the operation index value corresponding to the key value in the received code value from the mapping table, and executing the operation corresponding to the operation index value. By setting the mapping table physically separated from the software upgrading program, the software can be upgraded as different remote controllers can be responded to under the condition that the software upgrading program does not need to be changed.
Description
Technical field
The present invention relates to embedded system technology field, specifically, relate to updating embedded system software technology, more particularly, relate to the method for upgrading software without card condition receiving system and update device.
Background technology
Digital TV integrated machine, top box of digital machine etc. have in the embedded device without card condition receiving system (without card CA system), due to the special confidentiality without card CA system, any change of its software upgrade procedure all needs through flow processs such as certification, test, strike-machine, issues.In addition, when carrying out software upgrading without card CA system, no matter be auto-update or manual mobile phone, often perform a updating operation, all need to use a teleswitch.If be auto-update, when auto-update trigger message being detected and meeting promotion condition, automatic spring upgrading interface, user is the need of upgrading in prompting.User by selected by remote controller on upgrade tip interface be, no button determine perform upgrading or cancel upgrading.If manually upgrade, need to enter by remote controller interface of manually upgrading, and the information such as frequency, symbol rate, QAM modulation information, pid parameter utilizing remote controller to input upgrading completes parameter configuration, and then perform escalation process.Therefore, for realizing smooth upgrading, being all embedded with remote controller in the existing software upgrade procedure without card CA system and driving.
And for existing without the application of card CA system, the remote controller that different market uses is mostly not identical, and for ensureing that the product in all market can realize smooth upgrading, its software upgrade procedure must respond the specific remote controller corresponding to market.So, if replacement of products market, just must revise software upgrade procedure, so that the remote controller corresponding to changing drives.And software upgrade procedure is once amendment, there is the shortcoming of following several aspect: first, because needs re-start certification, test, strike-machine and issue, process is complicated, and speed is comparatively slow, cannot meet the product supply of material demand derived from fast in market; Secondly, if made mistakes somewhere in modification process, cause upgrading unsuccessfully, product can be caused normally to start, risk increases, and makes troubles to user, brings the decline of loss and prestige to product producer; Again, modification of program, by bringing the sharply increase of program development, after-sales service amount, has increased the weight of manufacturer's cost, has reduced the competitiveness of product in market.
Summary of the invention
The present invention is directed to existing the problems referred to above existed without card CA system needs to change software upgrade procedure after changing remote controller, provide a kind of method for upgrading software without card condition receiving system and update device, by arranging the mapping table be physically separated with software upgrade procedure, multiple different remote controller can be responded and realize software upgrading under the prerequisite without the need to changing software upgrade procedure.
For achieving the above object, method for upgrading software provided by the invention adopts following technical proposals to be achieved:
A kind of method for upgrading software without card condition receiving system, remote controller key assignments and operation index value mapping table is one to one stored separately in system memory devices, independent of software upgrade procedure, during software upgrading, receive the code value of remote controller input, search the operation index value that key assignments in code value in mapping table with received is corresponding, and the operation corresponding to executable operations index value.
Method as above, for improving software upgrading accuracy and updating speed, remote controller key assignments in described mapping table includes command code and the radix-minus-one complement thereof of remote controller, after the code value receiving remote controller input, first judge according to the key assignments in mapping table whether the key assignments in the code value received is effectively input key assignments, in the operation for performing the operation index value corresponding to key assignments when effectively inputting key assignments again.
Method as above, for accurate, the invalid input signal of Timeliness coverage, remote controller user code is also included in described mapping table, after the code value receiving remote controller input, first judge whether the code value received is effectively input code value according to the user code in mapping table, for judging whether the key assignments in code value is effectively input key assignments again when effectively inputting code value.
Method as above, for improving software upgrading speed further, acquiescence code value and customization code value is provided with in software upgrade procedure, if the user code in the code value of the remote controller input received is the default user code in mapping table, then according to the acquiescence key assignments software upgrade in software upgrade procedure; If the user code in the code value of the remote controller input received is non-default user code, then according to the key assignments software upgrade in mapping table.
Method as above, described system memory devices is flash memory, and described mapping table is stored in the memory block at system configuration table place in flash memory.
For realizing aforementioned invention object, software updating apparatus provided by the invention adopts following technical proposals to realize:
Without a software updating apparatus for card condition receiving system, described device comprises:
Software upgrade procedure memory cell, for storing software ROMPaq;
Mapping table memory cell, independent of software upgrade procedure memory cell, for storing remote controller key assignments and operation index value one to one;
Remote controller code value receiving element, for receiving the code value of remote controller input in escalation process;
Code value matching unit, for searching the operation index value matched with the key assignments in the code value inputted from mapping table memory cell;
Software upgrading key assignments processing unit, for performing operation corresponding to received remote controller key assignments in software upgrade process.
Device as above, for improving software upgrading accuracy and updating speed, the remote controller key assignments stored in described mapping table memory cell includes command code and the radix-minus-one complement thereof of remote controller, and described device also comprises:
Effective input key assignments identifying unit, for judging according to the remote controller key assignments in mapping table memory cell whether the key assignments in the code value that described remote controller code value receiving element receives is effectively input key assignments.
Device as above, be accurate, the invalid input signal of Timeliness coverage, also store remote controller user code in described mapping table memory cell, described device also comprises:
Effective input code value identifying unit, for judging according to the user code in mapping table memory cell whether the code value that described remote controller code value receiving element receives is effectively input code value.
Device as above, for improving software upgrading speed further, described software upgrading key assignments processing unit includes acquiescence key assignments process subelement and customization key assignments process subelement, when user code in the code value that described remote controller code value receiving element receives is default user code, select acquiescence key assignments process subelement according to the acquiescence key assignments software upgrade in software upgrade procedure, when user code in the code value that remote controller code value receiving element receives is non-default user code, select customization key assignments process subelement according to the key assignments software upgrade in mapping table.
Device as above, described without in card condition receiving system espespecially top box of digital machine without card condition receiving system.
Compared with prior art, advantage of the present invention with good effect is: the present invention is storing the remote controller key assignments mapping table corresponding with operation index value independent of independent outside software upgrade procedure, utilize the mechanism that the remote controller key assignments of same protocol is identical with realized operation, the key assignments of different remote be converted to operation index value that software upgrade procedure can identify and process and carry out software upgrading, multiple different remote controller can be responded without the need to changing software upgrade procedure when remote controller changes, decrease program authentication and test, strike-machine, the flow processs such as issue, be convenient to product demand when meeting turn of the market in time, and effectively prevent because of software upgrade procedure change bring have a big risk, the problem that development and maintenance cost is high.And, because mapping table exists independent of software upgrade procedure, if need the corresponding relation of increase and decrease or change key assignments and operation index value, only need modify to reading and writing mapping table easily and fast, still do not need to change huge software upgrade procedure, further increase the development rate of derivative markets software product, be conducive to the lifting of product competitiveness in the market.
After reading the specific embodiment of the present invention by reference to the accompanying drawings, the other features and advantages of the invention will become clearly.
Accompanying drawing explanation
Fig. 1 is the flow chart of the present invention without a card condition receiving system method for upgrading software embodiment;
Fig. 2 is the structured flowchart of the present invention without a card condition receiving system software updating apparatus embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further detail.
Please refer to Fig. 1, this Figure 1 shows that the flow chart of the present invention without a card condition receiving system method for upgrading software embodiment.This embodiment, to have the top box of digital machine without card condition receiving system, describes the process responding remote controller key in its software upgrade process in detail.
As shown in Figure 1, during this embodiment software upgrading to remote controller key carry out respond process process be:
Step 101: upgrading flow process starts.
Step 102: start software upgrade procedure.
Software upgrade procedure can be that operating personnel manually boot, and also can be automatic startup.If automatically start, will start when auto-update trigger message being detected and meeting promotion condition; If manually boot, then started according to upgrading needs by operating personnel.As stated in the Background Art, no matter be manually upgrade or auto-update, all need to use a teleswitch.
Step 103: receive the infrared remote control code value that remote controller is launched.
This embodiment is for Infrared remote controller, when using Infrared remote controller, operating personnel's remote controller button, user code (the identification code of remote controller will be comprised by its infrared head, to distinguish different types of remote controller) and the command code (function code of remote controller, also the key assignments of i.e. button) infrared remote control code value send, the infrared receiver in Set Top Box is by this infrared remote control code value of reception.
Step 104: after receiving infrared remote control code value, reads the remote controller user code in mapping table, and compares with the relative users code in the code value received.
Step 105: judge whether the infrared remote control code value received is effectively input code value.If so, step 106 is performed; If not, go to step 103, continue to receive infrared remote control code value.
When product software exploitation and programming, system memory devices prestores a mapping table, the memory location of this mapping table stores separately independent of software upgrade procedure, such as, if adopt flash memory, mapping table can be stored in the memory block at system configuration table place, and this memory block and software upgrade procedure are arranged in different memory blocks, can wipe separately and write mapping table and do not change software upgrade procedure.And, in mapping table except storing the one-to-one relationship of remote controller key assignments and operation index value, also store remote controller user code.In order to find invalid input code value accurately and timely, this embodiment is provided with the multilevel iudge process of step 104 and step 105.Specifically, after receiving infrared remote control code value, first judge that whether the user code in the code value received is identical with the remote controller user code stored in mapping table.If identical, what judgement received is effectively input code value; If not identical, then judge that the code value inputted is not effectively input code value.If not effectively inputting code value, then illustrate that namely remote controller is not the remote controller that Set Top Box can identify, also correctly can not carry out the control of software upgrading.In the case, software upgrade procedure does not continue to perform, but again receives telecontrol code, and can change remote controller by the prompting mode such as word or audible alarm alert.
Step 106: if effectively input code value when judging the remote control code value received, then determine whether default user code.If so, step 107 is performed; If not, 108 are gone to step.
When Software for Design, a kind of remote controller key assignments can be selected according to the remote unit type in most of market and to be embedded in software upgrade procedure remote controller key assignments by default.Accordingly, specify in the mapping table the user code of this remote controller by default code use, row labels of going forward side by side.Receiving infrared remote control code value and effectively inputting in code value decision process, if the user code in the remote control code value received is identical with the acquiescence code of setting, then what think reception is default user code; If not identical, then judge it is not default user code.
Step 107: if it is determined that the user code in the remote control code value received is default user code, illustrate that the remote controller of current use is embedded in the remote controller corresponding to the key assignments in software upgrade procedure.Now, for improving software upgrading speed, no longer will read mapping table and comparing and search, but directly according to the acquiescence key assignments software upgrade in software upgrade procedure.After complete, go to step 112.
Step 108: if judge that the user code in the remote controller code value received is not default user code, illustrate that the remote controller of current use is not be embedded in the remote controller corresponding to the key assignments in software upgrade procedure.In order to ensure to use this remote controller to carry out updating operation, first reading the remote controller key assignments in mapping table, obtaining a record identical with the remote controller key assignments received in mapping table.
Step 109: judge whether the remote controller key assignments received is effectively input key assignments.If so, step 110 is performed; Otherwise, go to step 103, again receive telecontrol code.
In this embodiment, the remote controller key assignments in mapping table includes command code and the radix-minus-one complement thereof of remote controller, can according to command code and radix-minus-one complement whether each other radix-minus-one complement judge that whether key assignments effective.For improving software upgrading accuracy and updating speed, avoid that process is carried out to invalid key assignments and cause staging error and waste update time, this embodiment receive the code value of remote controller input and find identical with its key assignments one record after, judge that whether the radix-minus-one complement of the key assignments of reception consistent with the radix-minus-one complement stored in mapping table.If consistent, judge that the key assignments received effectively inputs key assignments; Otherwise the invalid input key assignments of decision bits, abandons the process of this key assignments, again receives new Infrared remote controller code.
Step 110: if receive remote control code value be acquiescence remote controller code value and key assignments for effectively to input key assignments, then read operation index value corresponding with input key assignments in mapping table, also namely read the operation index value in the identical record of the key assignments that receives in mapping table.This operation index value correspond to default, a changeless button operation, is also the button operation that software upgrade procedure will respond.
Step 111: according to operation index value software upgrade.
Step 112: escalation process terminates.
This embodiment is by arranging mapping table, software upgrade procedure is when processing remote controller key assignments, without the need to being concerned about what the code value that remote controller is launched is, only need the operation index value known in mapping table, then perform corresponding updating operation according to operation index value, improve the versatility of software upgrade procedure.
For example, Set Top Box receive remote control red for code value be 0Xd827, through judging, this code value is for effectively to input code value, and its user code is not default user code, and its key assignments effectively inputs key assignments.Through searching, the multipair index return value of answering of key assignments identical with the key assignments in this code value in mapping table is 2, and in software upgrade procedure, what index return value 2 represented is " determination " operation.Number of times, if software upgrade procedure is in the lifting interface determining whether to upgrade, then cursor will be chosen to be "Yes", then start to perform escalation process.
And remote controller key negligible amounts used during software upgrading, conventional comprises menu, determines, exits, more than ten button such as directionkeys and numerical key, like this, mapping table only needs key assignments and the operation concordance list thereof of safeguarding these more than ten buttons, and shared memory space is few, convenient renewal.By mapping table is stored independent of software upgrade procedure, if need to change remote controller, only need to upgrade mapping table content, do not need to change software upgrade procedure, ensure that the stability of product whole system.
Please refer to Fig. 2, this Fig. 2 shows the structured flowchart of the present invention without a card condition receiving system software updating apparatus embodiment, this embodiment still in top box of digital machine without card condition receiving system, the structure of its software updating apparatus is described.
As shown in Figure 2, the cell mesh included by software updating apparatus of this embodiment, annexation each other and function are as follows:
Software upgrade procedure memory cell 21, for storing software ROMPaq.
Mapping table memory cell 22, independent of software upgrade procedure memory cell, for storing remote controller key assignments and operation index value one to one.In this embodiment, the remote controller key assignments that mapping table memory cell 22 stores includes command code and the radix-minus-one complement thereof of remote controller, also includes remote controller user code, to carry out Effective judgement to input code value, improves accuracy and the speed of key assignments process.
Wherein, these two memory cell can be all parts for flash memory, and, these two parts in different flash memory blocks, independent erasing and write operation can be carried out in mapping table memory cell.Such as, mapping table memory cell is in the memory block at set-top-box system allocation list place, and also namely mapping table stores as system configuration table, and can be written in project file by configuration file instrument, then programming is in the corresponding memory block of flash.
Remote controller code value receiving element 23, for receiving the code value of remote controller input in escalation process.
Effective input code value identifying unit 24, be connected with remote controller code value receiving element 23 with mapping table memory cell 22, for judging according to the user code in mapping table memory cell 22 whether the code value that remote controller code value receiving element 23 receives is effectively input code value.
Effective input key assignments identifying unit 25, with effectively input code value identifying unit 24 and be connected, judging that the code value that remote controller code value receiving element 23 receives is when effectively inputting code value, whether be effectively input key assignments according to the key assignments that the remote controller key assignments in mapping table memory cell 22 judges in the code value that remote controller code value receiving element 23 receives.Concrete determination methods can with reference to described in figure 1 mode embodiment.
Code value matching unit 26, with mapping table memory cell 22 with effectively input key assignments identifying unit 25 and be connected, when judging the key assignments in the code value that remote controller code value receiving element 23 receives as effective input code value, from mapping table memory cell 22, searching the operation index value that matches with the key assignments in the code value inputted and export.
Software upgrading key assignments processing unit 27, for performing operation corresponding to received remote controller key assignments in software upgrade process.
For software upgrading key assignments processing unit 27, acquiescence key assignments process subelement and customization key assignments process subelement can be included, when user code in the code value that remote controller code value receiving element 23 receives is default user code, select acquiescence key assignments process subelement according to the acquiescence key assignments software upgrade in software upgrade procedure, can updating speed be improved like this, reduce the operation that key assignments is searched and compared.And the user code in the code value that remote controller code value receiving element 22 receives is when being non-default user code, select customization key assignments process subelement according to the operation index value software upgrade of the key assignments in mapping table and correspondence thereof.
The software updating apparatus of said structure coordinates corresponding running software program, can according to the software upgrading without card condition receiving system in the method flow execution machine top box described in Fig. 1 embodiment.
Above embodiment only in order to technical scheme of the present invention to be described, but not is limited; Although with reference to previous embodiment to invention has been detailed description, for the person of ordinary skill of the art, still can modify to the technical scheme described in previous embodiment, or equivalent replacement is carried out to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the present invention's technical scheme required for protection.
Claims (8)
1. the method for upgrading software without card condition receiving system, it is characterized in that, remote controller key assignments and operation index value mapping table is one to one stored separately in system memory devices, independent of software upgrade procedure, include remote controller user code in described mapping table, in described software upgrade procedure, be provided with acquiescence code value and customization code value; During software upgrading, receive the code value of remote controller input, if the user code in the code value of the remote controller input received is the default user code in mapping table, then according to the acquiescence key assignments software upgrade in software upgrade procedure; If the user code in the code value of the remote controller input received is non-default user code, then search the operation index value that key assignments in code value in mapping table with received is corresponding, and according to operation index value software upgrade.
2. method according to claim 1, it is characterized in that, remote controller key assignments in described mapping table includes command code and the radix-minus-one complement thereof of remote controller, after the code value receiving remote controller input, first judge according to the key assignments in mapping table whether the key assignments in the code value received is effectively input key assignments, in the operation for performing the operation index value corresponding to key assignments when effectively inputting key assignments again.
3. method according to claim 2, it is characterized in that, after the code value receiving remote controller input, first judge whether the code value received is effectively input code value according to the user code in mapping table, for effective input code value time judge whether the key assignments in code value is effectively input key assignments again.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described system memory devices is flash memory, and described mapping table is stored in the memory block at system configuration table place in flash memory.
5. without a software updating apparatus for card condition receiving system, it is characterized in that, described device comprises:
Software upgrade procedure memory cell, for storing software ROMPaq;
Mapping table memory cell, independent of software upgrade procedure memory cell, for storing remote controller key assignments and operation index value and remote controller user code one to one;
Remote controller code value receiving element, for receiving the code value of remote controller input in escalation process;
Code value matching unit, for searching the operation index value matched with the key assignments in the code value inputted from mapping table memory cell;
Software upgrading key assignments processing unit, for performing operation corresponding to received remote controller key assignments in software upgrade process;
Described software upgrading key assignments processing unit includes acquiescence key assignments process subelement and customization key assignments process subelement, when user code in the code value that described remote controller code value receiving element receives is default user code, select acquiescence key assignments process subelement according to the acquiescence key assignments software upgrade in software upgrade procedure, when user code in the code value that remote controller code value receiving element receives is non-default user code, select customization key assignments process subelement according to the key assignments software upgrade in mapping table.
6. device according to claim 5, is characterized in that, the remote controller key assignments stored in described mapping table memory cell includes command code and the radix-minus-one complement thereof of remote controller, and described device also comprises:
Effective input key assignments identifying unit, for judging according to the remote controller key assignments in mapping table memory cell whether the key assignments in the code value that described remote controller code value receiving element receives is effectively input key assignments.
7. device according to claim 6, is characterized in that, described device also comprises:
Effective input code value identifying unit, for judging according to the user code in mapping table memory cell whether the code value that described remote controller code value receiving element receives is effectively input code value.
8. the device according to any one of claim 5 to 7, is characterized in that, described without card condition receiving system be in top box of digital machine without card condition receiving system.
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| CN105516765A (en) * | 2014-09-25 | 2016-04-20 | 阿里巴巴集团控股有限公司 | Button matching method and device and signal processing method and device of remote controller |
| CN104581327A (en) * | 2014-12-19 | 2015-04-29 | 深圳创维数字技术有限公司 | Remote control method and equipment |
| CN104618802A (en) * | 2015-02-03 | 2015-05-13 | 深圳市米家互动网络有限公司 | Mobile terminal, network set-top box based on Android and system recovery method thereof |
| CN108012170A (en) * | 2017-12-05 | 2018-05-08 | 晶晨半导体(上海)股份有限公司 | A kind of remote controler key assignments upgrade-system and method |
| CN108040275B (en) * | 2017-12-29 | 2020-08-21 | 福州福大海矽微电子有限公司 | Method and terminal for operating web browser by remote controller |
| CN110401863B (en) * | 2019-06-19 | 2021-06-15 | 广州视琨电子科技有限公司 | Method, device, system, storage medium and equipment for starting application program |
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