CN101131420B - Multitasking system used for satellite positioning device and method thereof - Google Patents

Multitasking system used for satellite positioning device and method thereof Download PDF

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Publication number
CN101131420B
CN101131420B CN2006100372052A CN200610037205A CN101131420B CN 101131420 B CN101131420 B CN 101131420B CN 2006100372052 A CN2006100372052 A CN 2006100372052A CN 200610037205 A CN200610037205 A CN 200610037205A CN 101131420 B CN101131420 B CN 101131420B
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China
Prior art keywords
data
buffer area
data buffer
application software
satellite positioning
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CN2006100372052A
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Chinese (zh)
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CN101131420A (en
Inventor
叶俊男
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佛山市顺德区顺达电脑厂有限公司
神达电脑股份有限公司
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Priority to CN2006100372052A priority Critical patent/CN101131420B/en
Publication of CN101131420A publication Critical patent/CN101131420A/en
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Abstract

The invention reveals a multitasking system and method used for the satellite position device which at least includes some internet applications, a positioning module, some data memory region, a connecting module and multitasking module. The method includes the processes: receiving the positioning data from the artificial satellite; according to number of application software and generating the data memory field of the number which is corresponding to the application software; the connecting module is to read the positioning data and copy them into every data memory field; providing the data memory field for the application software and read the positioning data. So it can improve the efficiency of the satellite position device processing system.

Description

The multitasking system and method that is used for satellite positioning device

[technical field]

The present invention is for providing a kind of multitasking system and method that is used for satellite positioning device, particularly a kind of system of the locator data that provides a plurality of application programs to read satellite positioning device simultaneously to be received.

[background technology]

Satellite positioning device is with the prosperity of science and technology, very universal in our daily life, much more more and more application software that need to use the locator data that satellite positioning device provides are also arranged, but the existing practice is to provide all application software to use jointly with single data buffer area, see also Fig. 1, show the existing disposal system that is used for satellite positioning device, comprise a location module 11, link module 12, data buffer area 13 and several application software 14, after the locator data 16 that locating module 11 reception artificial satellites 15 are transmitted, just by link module 12 locator data 16 is temporary in data buffer area 13, offering all application software 14 uses jointly, but this kind practice can cause all application software 14 to fight for the resource of data buffer area 13, when the application software 14 that needs to use locator data 16 simultaneously more for a long time, just can significantly reduce the efficient that resource uses and the usefulness of system.

For satisfying the demand that the above-mentioned raising that proposes is used for the disposal system usefulness of satellite positioning device.The inventor is based on going in for the study for many years and many practical experience, inquires into special topic through research and design in many ways, satisfies in the present invention to propose a kind of multitasking system and method that is used for satellite positioning device with as aforementioned expectation one implementation and foundation.

[summary of the invention]

Because above-mentioned problem, purpose of the present invention is for providing a kind of multitasking system and method that is used for satellite positioning device, particularly a kind of system of the locator data that provides a plurality of application programs to read satellite positioning device simultaneously to be received.

Therefore, for reaching above-mentioned purpose,, comprising: several application software according to the multitasking system that is used for satellite positioning device of the present invention; One location module receives the locator data from artificial satellite; Several data buffer area, temporary this locator data, and provide this locator data to give these application software to read; One link module connects this locating module, in order to reading this locator data, and duplicates this locator data to each these data buffer area; One multitasking module according to the number of these application software, produces these data buffer area of identical this number, and wherein these data buffer area are one by one to a corresponding relation with the pass of these application software.

The multi-task processing method that is used for satellite positioning device of the present invention comprises: receive the locator data from artificial satellite; According to the number of several application software, produce these data buffer area of identical this number, wherein these data buffer area are one by one to a corresponding relation with the pass of these application software; By a link module, read this locator data, and duplicate this locator data to each these data buffer area; Provide these data buffer area to give these application software, to read this locator data.

Compared to prior art, utilize the multitasking system and method that is used for satellite positioning device of the present invention, improved the demand of the disposal system usefulness that is used for satellite positioning device.

For purpose of the present invention, structural attitude and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:

[description of drawings]

Fig. 1 shows the existing disposal system that is used for satellite positioning device.

Fig. 2 shows the calcspar of the multitasking system that is used for satellite positioning device.

Fig. 3 shows the calcspar of the preferred embodiment of the multitasking system that is used for satellite positioning device.

Fig. 4 shows the flow chart of steps of the multi-task processing method that is used for satellite positioning device.

Fig. 5 shows the flow chart of steps of the preferred embodiment of the multi-task processing method that is used for satellite positioning device.

[embodiment]

Hereinafter with reference to correlative type, the multitasking system and method that is used for satellite positioning device according to preferred embodiment of the present invention is described, wherein identical assembly will be illustrated with identical reference marks.

See also Fig. 2, show the calcspar of the multitasking system that is used for satellite positioning device, it comprises application software 23, locating module 11, data buffer area 22, link module 12 and multitasking module 21.Multitasking module 21 produces the data buffer area 22 of similar number according to the number of application software 23.The locator data 16 that locating module 11 receives from artificial satellite 15.Link module 12 links locating modules 11, in order to reading the locator data 16 that locating module 11 is received, and locator data 16 is copied to each data buffer area 22.The temporary locator datas 16 of data buffer area 22, and provide locator data 16 to give application software 23 to read.Wherein, data buffer area 22 is one by one to a corresponding relation with the pass of application software 23.

Wherein, locating module 11 is satellite positioning device preferably, locator data 16 is generally from the positioning signal of artificial satellite 15 and coordinate data, and arbitrary data buffer area 22 only provides an application software 23 to read, and in addition, this system more comprises the order that a mutual exclusion is handled, in order to when this application software 23 reads its corresponding data buffer area 22, locking data buffer area 22 can't read other application software 23, to avoid conflict simultaneously.

See also Fig. 3, show the calcspar of the preferred embodiment of the multitasking system that is used for satellite positioning device, it comprises satellite positioning device 31, serial port (COM port) 32, multitask of processing routine 35, first data buffer area 331, second data buffer area 332, the 3rd data buffer area 333, navigational system 341, Geographic Information System 342 and emergency rescuing system 343.Positioning signal 361 and coordinate data 362 that satellite positioning device 31 receives from artificial satellite 36; The demand that multitask of processing routine 35 is proposed according to navigational system 341, Geographic Information System 342 and emergency rescuing system 343 is distributed to first data buffer area 331 that navigational system 341 is used respectively, second data buffer area 332 distributes to that Geographic Information System 342 is used and the 3rd data buffer area 333 is distributed to emergency rescuing system 343 and used; Serial port 32 connects satellite positioning device 31, in order to reading positioning signal 361 and the coordinate data 362 that satellite positioning device 31 is received, and positioning signal 361 and coordinate data 362 are copied to first data buffer area 331, second data buffer area 332 and the 3rd data buffer area 333 respectively.Therefore, navigational system 341 can read positioning signal 361 and coordinate data 362 to first data buffer area 331, Geographic Information System 342 can read positioning signal 361 and coordinate data 362 to second data buffer area 332, and emergency rescuing system 343 can read positioning signal 361 and coordinate data 362 to the 3rd data buffer area 333.

See also Fig. 4, show the flow chart of steps of the multi-task processing method that is used for satellite positioning device, its step is as back:

Step S41: receive locator data from artificial satellite;

Step S42: according to the number of several application software, produce the data buffer area of similar number, wherein the pass of data buffer area and application software is an one;

Step S43: by a link module, read the locator data that locating module receives, and duplicate locator data to arbitrary data buffer area; And

Step S44: keep in locator data in data buffer area, and provide application software to read locator data.

See also Fig. 5, show the flow chart of steps of the preferred embodiment of the multi-task processing method that is used for satellite positioning device, its step is as back:

Step S51: receive positioning signal and coordinate data from artificial satellite;

Step S52: according to navigational system, Geographic Information System and demand that emergency rescuing system proposed, produce respectively that first data buffer area distributes to that navigational system is used, second data buffer area distributes to that Geographic Information System is used and the 3rd data buffer area is distributed to emergency rescuing system and used;

Step S53: by a serial port, read positioning signal and coordinate data that satellite positioning device receives, and positioning signal and coordinate data are copied to first data buffer area, second data buffer area and the 3rd data buffer area respectively; And

Step S54: keep in positioning signal and coordinate data in first data buffer area, second data buffer area and the 3rd data buffer area, and provide positioning signal and coordinate data and navigational system, Geographic Information System and emergency rescuing system to read.

Claims (8)

1. multitasking system that is used for satellite positioning device is characterized in that it comprises at least:
Several application software;
One location module receives the locator data from artificial satellite;
Several data buffer area, temporary this locator data, and provide this locator data to give these application software to read;
One link module connects this locating module, in order to reading this locator data, and duplicates this locator data to each these data buffer area;
One multitasking module according to the number of these application software, produces these data buffer area of identical this number, and wherein these data buffer area are one by one to a corresponding relation with the pass of these application software.
2. the multitasking system that is used for satellite positioning device as claimed in claim 1 is characterized in that this locating module is a global position system.
3. the multitasking system that is used for satellite positioning device as claimed in claim 1, it is characterized in that, this multitasking system that is used for satellite positioning device more comprises the order that a mutual exclusion is handled, when reading this data buffer area of its correspondence, lock this data buffer area in this application software.
4. the multitasking system that is used for satellite positioning device as claimed in claim 1 is characterized in that this locator data is from the positioning signal of artificial satellite and coordinate data.
5. multi-task processing method that is used for satellite positioning device is characterized in that it comprises at least:
Reception is from a locator data of artificial satellite;
According to the number of several application software, produce these data buffer area of identical this number, wherein these data buffer area are one by one to a corresponding relation with the pass of these application software;
By a link module, read this locator data, and duplicate this locator data to each these data buffer area; And
Provide these data buffer area to give these application software, to read this locator data.
6. the multi-task processing method that is used for satellite positioning device as claimed in claim 5 is characterized in that, more comprising provides a global position system, in order to receive this locator data from artificial satellite.
7. the multi-task processing method that is used for satellite positioning device as claimed in claim 5 is characterized in that, the order that provides a mutual exclusion to handle more is provided, and when reading this data buffer area of its correspondence in this application software, locks this data buffer area.
8. the multi-task processing method that is used for satellite positioning device as claimed in claim 6 is characterized in that, this locator data is from the positioning signal of artificial satellite and coordinate data.
CN2006100372052A 2006-08-25 2006-08-25 Multitasking system used for satellite positioning device and method thereof CN101131420B (en)

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CN101131420B true CN101131420B (en) 2011-10-19

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102340734B (en) * 2010-07-16 2015-10-21 中国电信股份有限公司 Position application management method and device
CN102043610A (en) * 2010-12-09 2011-05-04 杭州芯赛微电子有限公司 Method for designing voice microprocessor
CN105717516B (en) * 2016-03-30 2018-04-24 沈阳泰科易科技有限公司 GNSS data synchronous method and device

Citations (7)

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Publication number Priority date Publication date Assignee Title
CN1428596A (en) * 2001-12-24 2003-07-09 菱科电子技术(中国)有限公司 Multifunctional vehicle-mounted satellite navigation system
JP2003199169A (en) * 2001-12-28 2003-07-11 Japan Radio Co Ltd Interfacing method suitable for location communication terminal
CN2602342Y (en) * 2002-08-13 2004-02-04 厦门雅迅网络股份有限公司 Integration vehicle mounted terminal possessing GPS receiver
CN1579832A (en) * 2004-01-06 2005-02-16 秦国锋 GPS dynamic precision positioning intelligent automatic arrival-reporting terminal
CN1716848A (en) * 2004-06-14 2006-01-04 上海安创信息科技有限公司 Method for quick realizing odds and ends algorithm for hardware
CN2783447Y (en) * 2004-09-27 2006-05-24 彭扬名 GPS terminal
CN1815143A (en) * 2005-01-31 2006-08-09 现代奥途纳特株式会社 Internet connection apparatus and method of navigation system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1428596A (en) * 2001-12-24 2003-07-09 菱科电子技术(中国)有限公司 Multifunctional vehicle-mounted satellite navigation system
JP2003199169A (en) * 2001-12-28 2003-07-11 Japan Radio Co Ltd Interfacing method suitable for location communication terminal
CN2602342Y (en) * 2002-08-13 2004-02-04 厦门雅迅网络股份有限公司 Integration vehicle mounted terminal possessing GPS receiver
CN1579832A (en) * 2004-01-06 2005-02-16 秦国锋 GPS dynamic precision positioning intelligent automatic arrival-reporting terminal
CN1716848A (en) * 2004-06-14 2006-01-04 上海安创信息科技有限公司 Method for quick realizing odds and ends algorithm for hardware
CN2783447Y (en) * 2004-09-27 2006-05-24 彭扬名 GPS terminal
CN1815143A (en) * 2005-01-31 2006-08-09 现代奥途纳特株式会社 Internet connection apparatus and method of navigation system

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