CN100378665C - Binary document download method wireless communication module for vehicle carrying communication - Google Patents
Binary document download method wireless communication module for vehicle carrying communication Download PDFInfo
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- CN100378665C CN100378665C CNB2005101024911A CN200510102491A CN100378665C CN 100378665 C CN100378665 C CN 100378665C CN B2005101024911 A CNB2005101024911 A CN B2005101024911A CN 200510102491 A CN200510102491 A CN 200510102491A CN 100378665 C CN100378665 C CN 100378665C
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- China
- Prior art keywords
- download
- wireless communication
- communication module
- random access
- access memory
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-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72406—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by software upgrading or downloading
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72457—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to geographic location
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/10—Details of telephonic subscriber devices including a GPS signal receiver
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a method for downloading binary document in the wireless communication module of carrier communication, wherein when downloading the binary documents into the wireless communication module with several download paths, in the communication path which receives the download instruction in the wireless communication terminal, recording said information in special memory area; based on said download instruction, receiving the random memory download processing program; when said random memory downloads processing program control priority, to process following download, the recorded activated path information in the special area can be confirmed, to recognize the following download path. Therefore, when downloading binary document into wireless communication module, all paths can be used freely, while the developer and the user can use their own paths.
Description
Technical field
The present invention relates to be used for the binary document download method of the wireless communication module of vehicle-carrying communication, when particularly relating to a kind of wireless communication module of in binary file being downloaded to the vehicle-carrying communication module of carrying out the multiple function comprise radio communication, using, even use the free routing in many transmission paths, binary file still can be downloaded smoothly.
Background technology
Recently, to being that the concern of the new technique-vehicle-carrying communication (Telematics) of platform grows to even greater heights with the automobile.Vehicle-carrying communication (Telematics) speech is the compound word of communication (Telecommunication) and information science (Infomatics), be meant can utilize wireless communication technology, Satellite Navigation Set, in the technology of internet conversion letter signal and voice signal etc., the wireless data service of carrying out the information transmission with computing machine built-in in the means of transports such as vehicle, aircraft, boats and ships.In brief, can be referred to as with means of transports such as vehicles is the wireless communication technology of platform.
Promptly, vehicle-carrying communication is a kind of based on wireless speech, data communication with utilize the location information system (GPS) of moonlet, can utilize vehicle to transmit the technology of information, it is a meaning notion more widely, be to utilize location information system and wireless communication networks, provide transport information, emergency condition processing, remote vehicle diagnostics, the terminal of online various mobile services such as (financial transaction, news, Emails etc.) and the general name of operating system to driver and passenger.
Therefore, in the multiple device of vehicle-carrying communication technology, the content wireless communication section of studying recently, promptly, make and to control vehicle, provide the high performance control device part of user interface to link with wireless communication section, make driver and passenger can in vehicle, confirm more various information, analyze the exercises information of vehicle itself, search for and provide the information that helps drive.
Fig. 1 has shown the concise and to the point formation of general vehicle-carrying communication module, the function portion of detecting vehicle-state and improving GPS function etc. omits, only demonstrate basic control module 10 and wireless communication module 20 and described wireless communication module 20 can with the communication path (UART) 21,22,23 of PERCOM peripheral communication.
Generally speaking, described control module 10 is to compile diversified information, control all vehicle-carrying communication functions, user interface is provided, receive the control section that vehicle relevant informations etc. are handled from the various sensing members that connect, can be described as a kind of computing machine that comprises high performance control device, display part and storer etc.And in this high performance control module 10, the wireless communication module 20 and the described high performance control module 10 of adding for radio communication function is provided link together, and can send voice or data by wireless receiving.
Described wireless communication module 20 is such as employing code division multiple access (CDMA) module etc., briefly, and the module of only wireless communication section being separated from mobile communication terminal just.Therefore, described wireless communication module 20 inside have following several sections: control part (wireless communication modem) is used for self and drives; ROM (read-only memory) is used to preserve self firmware; Random access memory is used to be written into and move execute file, preserves ephemeral data.
And, using described wireless communication module 20 required firmware downloads to arrive described wireless communication module 20, constitute and keep and the required path of PERCOM peripheral communication, as shown in the figure, arranging a plurality of communication port (UART1, UART2, UART3) 21,22,23, the deviser can provide firmware by one of corresponding port.Wherein, communication port UART3 connects outside through control module 10, can receive with control module 10 and send data, input and driving situation according to user interface, make described control module 10 can control wireless communication module 20, can also offer described wireless communication module 20 to the set information that provides by described interface.
In the prior art, 20 of described wireless communication modules provide basic speech and data communication function, so, at the batch generation phase, for a fixing firmware downloads to described wireless communication module 20, fixing use UART1 or one of UART2 as shown in the figure.For example, dedicated development equipment is connected in UART1 and uses, and the computing machine that drives file transmitting function is connected in UART2 and uses, though there is described several mode, in case after a kind of path is appointed as fixed route, just can only be used as default path to respective paths.
Particularly wireless communication module 20 has been designed to and can have carried out firmware upgrade under the operating state of self running program, so, if new firmware binaries file is downloaded to the wireless communication module 20 of described use, at first, the path of described wireless communication module 20 by being set to default path (for example, UART1), the help that download need not firmware just can be carried out " random access memory download handler (binary condition) " of download step in random access memory, it is written into random access memory.Then, in order to change the content of ROM (read-only memory), finish current executory firmware operation, grasp control, continue follow-up actual firmware binary file is downloaded to ROM (read-only memory) by described default path from the random access memory download handler that described random access memory is written into.Wireless communication module 20 afterwards, wireless communication module 20 resetted, so that can utilize newly downloaded firmware to carry out work.
Promptly, firmware in the current use is carried out in the updating steps process being intended to, main body with control of the download implemented changes, so can't know and should continue execution after changing in control and download by which paths in the mulitpath as shown in the figure.Therefore, up to the present, only when exploitation or batch process wireless communication module 20, just carry out firmware downloads, and after one of the UART1 that wireless communication module 20 is directly managed or UART2 are set to default path, can only utilize respective paths to carry out firmware upgrade.
But along with the variation day by day of customer requirements, product also needs constantly to carry out firmware upgrade after appearing on the market.In this case, for for wireless communication module 20 that the control module 10 that all vehicle-carrying communication module user interfaces are provided is connected, its firmware upgrade is preferably implemented through described control module 10, but for UART1, just can not use behind product export.Therefore, described wireless communication module 20 takes place in order to download this firmware binaries file to work as control after changing, does not know to obtain follow-up data from which paths.So, existing can only use product appeared on the market after also operable UART2 be appointed as the mode of fixed route.Thereby without control module 10, directly carry out firmware upgrade to wireless communication module 20, control module 10 can't participate in wireless communication module 20 relevant binary files and download operation, therefore control is gone up and limitation occurred, the user need separate management control module 10 and wireless communication module 20 separately, relatively inconvenience.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of binary document download method that is used for the wireless communication module of vehicle-carrying communication, in the time will downloading to wireless communication module to binary file with many download paths, operating wireless communication terminal firmware is understood the communication path that receives the download directive command in the current wireless communication module, this information is recorded in particular area of memory, according to described download directive command, receive the random access memory download handler.Then, described random access memory download handler is grasped control, when continuing subsequent download, can confirm the activated path information that writes down in the specific region of described storer, cognitive subsequent download path, thereby in the time will downloading to wireless communication module to binary file, can use all paths to download.
For achieving the above object, described wireless communication module at be the wireless communication module that is connected and has many download paths with the vehicle-carrying communication module, method of the present invention, feature is to comprise following several steps: after operating firmware is received the download initiation command by set path in the wireless communication module, respective paths information is recorded in particular area of memory, receive the random access memory download handler file of downloading then, it is written into the step of random access memory; The control main body of described wireless communication module is moved to the step of the described random access memory download handler that is written into random access memory from described operating firmware; The described random access memory download handler of acquire the right of control is confirmed the routing information that writes down in the described particular area of memory, carries out the step that the firmware binaries file is downloaded by respective paths.
Another feature of the present invention is: during all firmware binaries files of preserving in generating described random access memory download handler and ROM (read-only memory), the particular area of memory of in store described routing information is designated as the routing information reserved area, except that routing information, ban use of described particular area of memory.
Another feature of the present invention is: described download path be included as direct download equipment be connected in an above communication port of wireless communication module, for receiving the download initiation command that described control module provides and downloading the above communication port that the binary file data are connected with described control module.
Adopt the present invention, in the time will downloading to wireless communication module to binary file, can freely use all paths, developer and user can use own wieldy path.
Description of drawings
Fig. 1 is the concise and to the point pie graph of general vehicle-carrying communication module.
Fig. 2 is the precedence diagram that shows the action step of one embodiment of the invention.
Wherein, Reference numeral:
10: control module 20: wireless communication module
21：UART1 22：UART2
23：UART3
Embodiment
With reference to the accompanying drawings, describe as above embodiments of the invention in detail.
Fig. 2 is the precedence diagram that shows the operation steps of one embodiment of the invention, as shown in the figure, when utilizing basic structure shown in Figure 1, no matter the user utilizes any download path, the download path that the main body of downloading in the wireless communication module 20 can cognitive user be used.That is, even used a plurality of download main bodys for download, by sharing download path relevant information, when downloading, all serial communication paths that still can use actual wireless communication module 20 to have.
And in the present invention, in the random access memory zone of wireless communication module 20, certain region allocation is become to be used to preserve the zone of current path information.And after wireless communication module 20 was received the order that requires to download, current operating firmware perceived this path, behind the specific region of the random access memory that respective paths information is saved in distribution, implements set download.The binary file that download this moment is the random access memory download handler, and operating firmware is written into random access memory with it after having downloaded the random access memory download handler.Then, when control is transferred to the random access memory download handler, described random access memory download handler obtains the current path information of preserving in the specific region of random access memory, based on this, finishes the download of follow-up actual firmware binary file.
For routing information is stored in the specific region, at first, the firmware binaries file that generates described wireless communication module 20 is downloaded required random access memory download handler and during with the firmware binaries file that upgrades, should notify in corresponding document inside in advance, be specific random access memory zone as the required zone of record path information.Therefore, driving firmware, when implementing to download, or the random access memory download handler is when being written into random access memory, corresponding random access memory zone is inviolable, therefore, change is written into file (scatter loader file) content to the dispersion that is written into or the preservation position of each piece of downloaded files defines, so that can guarantee to be used to preserve the random access memory zone of respective paths information.That is, the developer is written into file with reference to described dispersion and implements compiling, generates and can be used as random access memory download handler and the firmware binaries file of path preservation with memory area to specific random access memory zone with this.Certainly, in described random access memory download handler and firmware binaries file, also should comprise a part, this part is used for cognitive routing information is recorded in the field of preassigned random access memory, or read the routing information of record in advance from corresponding field, as downloading required routing information.In addition, the firmware of the wireless communication module that is driven before downloading also needs and can generate by described step, carries out same function.
So, with reference to the accompanying drawings, illustrate and download the random access memory download handler that as above realizes and the step of firmware binaries file.
At first, in wireless communication module 20, operating firmware is received set download command.A plurality of serial communication paths (UART1 that this download command can have by wireless communication module 20, UART2, UART3) free routing in 21,22,23 provides, promptly, both can provide, also can provide from the specialized equipment (the down load application program is just at operating computing machine, dedicated development equipment etc.) that is connected in other path from control module 10.
Receive as above the wireless communication module 20 of download command and can learn the information in the path that is activated, so, the information in path is saved in the specific region of the random access memory that has been provided with, after having downloaded random access memory download handler (binary file form), it is written into random access memory.Then, the wireless communication module 20 of receiving download command should interrupt working as all operations in the front wheel driving, carries out and empties the operation in random access memory zone, so that can be written into random access memory to described random access memory download handler.
After the random access memory download handler of carrying out subsequent download is written into random access memory, provide the random access memory download handler starting position of loaded random access memory, implement to jump to the programmable counter that is used to specify the program executing location (PC).Operation is written into the random access memory download handler of random access memory, and so, control is then transferred to the random access memory download handler from operating firmware, and the firmware of the wireless communication module 20 of operation stops operation.
Just can search for the ad-hoc location of random access memory by as above step acquire the right of control and the random access memory download handler that begins to drive, obtain the routing information of current activation, after it is set to be used to download the path of follow-up firmware binaries file, carry out subsequent download.
All downloads are finished, after original firmware of preserving in the new firmware replacement ROM (read-only memory) of downloading is saved in ROM (read-only memory), described wireless communication module 20 is resetted, and random access memory download handler itself is deleted from random access memory, implements to start by non-volatile new firmware.
As previously mentioned, when downloading the firmware binaries file that the control change takes place, even move different execute files because of control changes, in mulitpath, the path of current use still can be maintained, so the user can arbitrarily specify free routing to use.Wherein, when design, use UART1, when producing in batches, use UART2, behind product export, make user interface concentrate on control module, realize simplification, can carry out firmware upgrade by UART3.
As mentioned above, the binary document download method that the present invention is used for the wireless communication module of vehicle-carrying communication is, in the time will downloading to wireless communication module to binary file with many download paths, operating wireless communication terminal firmware is understood the communication path of receiving the download directive command in the current wireless communication module, this information is recorded in particular area of memory, according to described download directive command, receive the random access memory download handler.Then, when described random access memory download handler is grasped control, when continuing subsequent download, can confirm the activated path information that writes down in the specific region of described storer, cognitive subsequent download path.Thereby the present invention has following effect,, in the time will downloading to wireless communication module to binary file, can freely use all paths that is, and developer and user can use own wieldy path.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (5)
1. binary document download method that is used for the wireless communication module of vehicle-carrying communication, wherein said wireless communication module at be the wireless communication module that is connected and has many download paths with the vehicle-carrying communication module, it is characterized in that: described method comprises following several steps:
After operating firmware is received the download initiation command by set path in the wireless communication module, respective paths information is recorded in particular area of memory, receives the random access memory download handler file of downloading then, it is written into the step of random access memory;
The control main body of described wireless communication module is moved to the step of the described random access memory download handler that is written into random access memory from described operating firmware;
The described random access memory download handler of acquire the right of control is confirmed the routing information that writes down in the described particular area of memory, carries out the step that the firmware binaries file is downloaded by respective paths.
2. the binary document download method that is used for the wireless communication module of vehicle-carrying communication according to claim 1, it is characterized in that: described method also comprises a step: after the step of described download firmware binary file finishes, described random access memory download handler resets to described wireless communication module, makes the firmware operation of downloading and being saved in the ROM (read-only memory).
3. the binary document download method that is used for the wireless communication module of vehicle-carrying communication according to claim 1, it is characterized in that: during all firmware binaries files of in generating described random access memory download handler and ROM (read-only memory), preserving, the particular area of memory of in store described routing information is designated as the routing information reserved area, except that routing information, ban use of described particular area of memory.
4. the binary document download method that is used for the wireless communication module of vehicle-carrying communication according to claim 3, it is characterized in that: when generating described random access memory download handler and firmware binaries file, particular area of memory is used in restriction, and this information that is the dispersion used when revising compiling is written into file realizes.
5. the binary document download method that is used for the wireless communication module of vehicle-carrying communication according to claim 1 is characterized in that: described download path be included as direct download equipment be connected in an above communication port of wireless communication module, for receiving the download initiation command that control module provides and downloading the above communication port that the binary file data are connected with control module.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050016286A KR100652714B1 (en) | 2005-02-26 | 2005-02-26 | Binary file download method of wireless communication module for telematics |
| KR1020050016286 | 2005-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1825281A CN1825281A (en) | 2006-08-30 |
| CN100378665C true CN100378665C (en) | 2008-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101024911A Expired - Fee Related CN100378665C (en) | 2005-02-26 | 2005-09-14 | Binary document download method wireless communication module for vehicle carrying communication |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100652714B1 (en) |
| CN (1) | CN100378665C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797907B (en) * | 2010-04-09 | 2012-05-23 | 中国科学院电工研究所 | Plug-controlled vehicle-mounted electrical control system program download circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6198946B1 (en) * | 1997-11-20 | 2001-03-06 | Samsung Electronics Co., Ltd. | Firmware upgrade method for wireless communications device, and method for supporting firmware upgrade by base station |
| US20030154471A1 (en) * | 2002-02-13 | 2003-08-14 | Power Measurement Ltd. | Method for upgrading firmware in an electronic device |
| CN1472970A (en) * | 2002-07-29 | 2004-02-04 | 联想(北京)有限公司 | Method for upgrading solid device of wireless communiation modules in use |
| JP2004326689A (en) * | 2003-04-28 | 2004-11-18 | Nissan Motor Co Ltd | Method for rewriting software of on-vehicle equipment, system of telematics system, and telematics device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030010384A (en) * | 2001-07-27 | 2003-02-05 | 엘지전자 주식회사 | Apparatus and method for download |
| KR20020027445A (en) * | 2002-03-15 | 2002-04-13 | 김기천 | Mobile contents download system and method using multi-media public device |
| US20040117785A1 (en) | 2002-12-13 | 2004-06-17 | Samsung Electronics Co., Ltd. | Component download manager for a wireless mobile station and method of operation |
| KR20040107081A (en) * | 2003-06-12 | 2004-12-20 | 주식회사 노바일렉트로닉 | Navigation system and map data storing method thereof |
-
2005
- 2005-02-26 KR KR1020050016286A patent/KR100652714B1/en not_active IP Right Cessation
- 2005-09-14 CN CNB2005101024911A patent/CN100378665C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6198946B1 (en) * | 1997-11-20 | 2001-03-06 | Samsung Electronics Co., Ltd. | Firmware upgrade method for wireless communications device, and method for supporting firmware upgrade by base station |
| US20030154471A1 (en) * | 2002-02-13 | 2003-08-14 | Power Measurement Ltd. | Method for upgrading firmware in an electronic device |
| CN1472970A (en) * | 2002-07-29 | 2004-02-04 | 联想(北京)有限公司 | Method for upgrading solid device of wireless communiation modules in use |
| JP2004326689A (en) * | 2003-04-28 | 2004-11-18 | Nissan Motor Co Ltd | Method for rewriting software of on-vehicle equipment, system of telematics system, and telematics device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1825281A (en) | 2006-08-30 |
| KR20060094807A (en) | 2006-08-30 |
| KR100652714B1 (en) | 2006-12-01 |
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