CN101661307A - Computer system capable of receiving satellite positioning signals and control method thereof - Google Patents
Computer system capable of receiving satellite positioning signals and control method thereof Download PDFInfo
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- CN101661307A CN101661307A CN200810198136A CN200810198136A CN101661307A CN 101661307 A CN101661307 A CN 101661307A CN 200810198136 A CN200810198136 A CN 200810198136A CN 200810198136 A CN200810198136 A CN 200810198136A CN 101661307 A CN101661307 A CN 101661307A
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Abstract
The invention relates to a computer system which can receive satellite positioning signals and be suitable for a power-off state of the system. The computer system comprises a power supply device, a satellite positioning system chip, a communication interface, a control chip and a trigger element, wherein the power supply device provides working voltage; the satellite positioning system chip receives the satellite positioning signals through an antenna; the communication interface is coupled to the satellite positioning system chip; the control chip receives the working voltage, retrieves andanalyzes the satellite positioning signals through the communication interface and can provide power for the satellite positioning system chip; and the trigger element is coupled to the control chip.When the computer system is in the power-off state and the trigger element is triggered, the control chip provides power for the satellite positioning system chip for retrieving and analyzing the satellite positioning signals.
Description
Technical field
The present invention is relevant for a kind of computer system, particularly relevant for a kind of computer system and control method thereof that has the global position system chip and can receiving satellite positioning signals.
Background technology
Global Positioning System (be called for short GPS) device utilize satellite communication the position display of receiver in map, navigational system via satellite, the assistance user differentiates the position.Each satellite all continues the radiowave that emission is loaded with satellite orbit data and time, offers tellurian various receiver.
Receiver is followed the trail of all gps satellites, just can calculate coordinate, translational speed and the time of receiver position at once.GPS can be applicable to auto-navigation system, desktop computer, portable computer equipment (as vehicle computer, notebook computer, PDA etc.), radio hand-held equipment (as mobile telephone, calling set, personal locator etc.) and consumer products (as wrist-watch, navigation with steady arm etc.).
Yet, in practical application, computer system (as desktop computer or notebook computer) with GPS device must could be passed through specific software under the state of start, start and initialization GPS device, and the received satellite-signal of GPS is carried out data parsing.
Summary of the invention
In view of this, the objective of the invention is to,,, just can carry out specific action by resolving the received satellite positioning signal of GPS chip behind the triggering elements such as for example Hot Key by under off-mode.This specific action can be the position that shows computer system, the time that shows the real-time clock in present time or the renewal computer system.Therefore, even if computer system is an off-mode, the user still can learn present position or present time.
Another object of the present invention is to, but a kind of computer system of receiving satellite positioning signals is provided.When computer system was off-mode, the GPS chip in the computer system is receiving satellite signal sustainably still.Therefore, when computer system switches to open state by off-mode, do not need again the GPS chip to be carried out initialization.
For reaching above-mentioned purpose, the invention provides a kind of computer system, but receiving satellite positioning signals, and applicable under the system closedown state.Computer system of the present invention comprises, power supply device, global position system chip, communication interface, control chip and triggering element.Power supply device provides an operating voltage.The global position system chip is by the antenna receiving satellite positioning signals.Link up interface and couple the global position system chip.Control chip receives operating voltage, and passes through to link up the interface acquisition and resolve satellite positioning signal, and can provide the power supply supply to give the global position system chip.Trigger element and be coupled to control chip.When computer system in off-mode down and when triggering element and being triggered, control chip provides the power supply supply to give the global position system chip, in order to acquisition and resolve satellite positioning signal.
The present invention provides a kind of control method in addition, is applicable to computer system.But this computer system receiving satellite positioning signals, and applicable under the system closedown state.Computer system includes power supply device, global position system chip, control chip and triggers element.Control method of the present invention comprises: judge that this computer system is whether under this system closedown state; Judge whether this triggering element is triggered; When this computer system under this system closedown state and this triggering element when being triggered, this global position system chip will be powered and start to this control chip to accept and to resolve this satellite positioning signal; And utilize satellite positioning signal after this parsing, carry out the specific action that corresponds to this triggering element.
For above and other objects of the present invention, feature and advantage can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended graphicly, be described in detail below:
Description of drawings
Fig. 1 is a computer system synoptic diagram of the present invention.
Fig. 2 is a control method of the present invention.
Embodiment
Fig. 1 is the synoptic diagram of computer system of the present invention.But the computer system receiving satellite positioning signals, and applicable under the system closedown state.In the present embodiment, computer system 100 comprises, global position system (the Global Positioning System (GPS) Global Positioning System with the U.S. is an example, hereinafter to be referred as GPS) chip 110, control chip 120, communication interface 130, power supply device 140, output unit 150 and triggering element 160.Power supply device 140 provides operating voltage VO.Global position system chip 110 is by antenna 112 receiving satellite positioning signals.Linking up interface 130 couples between global position system chip 110 and the control chip 120.Control chip 120 reception operating voltage VO, and by 130 acquisitions of communication interface and parsing satellite positioning signal, and can provide power supply supply VGPS to give global position system chip 110.Trigger element 160 and be coupled to control chip 120.When computer system 100 under off-mode, and when triggering element 160 and being triggered, control chip 120 provides power supply supply VGPS to give global position system chip 110, in order to acquisition and resolve satellite positioning signal.
In possibility embodiment, control chip 120 is keyboard controller (keyboard controller; KBC) or embedded controller (Embedded Controller; EC), can be in order to control and other element (as South Bridge chip) that provides power supply to give computer system 100.Because control chip 120 has pin directly to couple power supply device 140, even if therefore computer system 100 is the system closedown state, control chip 120 still can receive operating voltage VO, and carries out correlation function (as producing power supply VGPS or receiving the received satellite positioning signal of GPS chip 110).
In the present embodiment, control chip 120 has conversion equipment 121, in order to convert operating voltage VO to power supply VGPS.Conversion equipment 121 can be incorporated among the control chip 120, or is independent of outside the control chip 120.In addition, control chip 120 can utilize and link up the satellite positioning signal that interface 130 receives from GPS chip 110.Linking up interface 130 is serial port (serial communication port).
When computer system 100 is the system closedown state, the operating voltage VO that control chip 120 can be provided according to battery 140, and produce power supply VGPS.When control chip 120 provided power supply VGPS to give GPS chip 110, GPS chip 110 is receiving satellite positioning signals just.Control chip 120 is by linking up interface 130, receives the received satellite positioning signal of GPS chip 110.
When control chip 120 receives satellite positioning signal, just begin to resolve (Parse) this satellite positioning signal, and, carry out specific action according to the result after resolving.For example, control chip 120 can be according to analysis result, makes output unit 150 present the present geographic location of computer system 100, or according to analysis result, upgrades real-time clock (Real Time Clock; RTC) 170.Output unit 150 can be the existing LCD of this computer system itself, but also can be independently small-sized 1,6x2 second LCD that differs from outside the existing LCD of this computer system.But be not limited thereto, output unit 150 also can be the arbitrary output unit that allows the user be known in modes such as image or sound.
In possibility embodiment, the user also can utilize manual mode, starts this specific action.For example, when computer system 100 is off-mode, be not triggered if trigger element 160, the expression user does not want to start specific action.Therefore, GPS chip 110 is powered and is started and do not receive satellite positioning signal from satellite 101～103.
Above-mentioned triggering element 160 can be general cognitive function key (Function Key) or shortcut (Hot Key/Quick Key), for example on the keyboard of computer system own existing a certain or certain several combination button set appointment, or on keyboard, increase proprietary button, or differ from the extra proprietary button that is provided with outside the keyboard, or Remote button.Trigger element 160 and also can be that the general knowledge technician knows that other can produce any triggering element of trigger event signal.
When computer system 100 is off-mode, be triggered if trigger element 160, then control chip 120 provides power supply VGPS, in order to start GPS chip 110.GPS chip 110 passes through antenna 112 receiving satellite positioning signals, and then by linking up interface 130, satellite positioning signal is sent to control chip 120.Control chip 120 is resolved the received satellite positioning signal of GPS chip 110, and carries out specific action.
The available character string of satellite positioning signal (string) message for example comprises: geographic longitude and latitude ($GPGLL:Geographic position, latitude/longitude), present direction and distance (and distance to waypoint), date and time (and Time) etc. between direction between position and destination (, origin to destination) and destination.Above-mentioned what is called " execution specific action " one may embodiment in, control chip 120 can be by in the satellite positioning signal, capture longitude and latitude and at present the time string data resolved, again capturing result is sent to output unit 150.Output unit 150 can present capturing result in the mode of image or sound.Therefore, when computer system 100 was off-mode, the user still can be known longitude and the latitude and the present GPS information such as satellite time in computer system 100 geographic position of living in by output unit 150.
In another possibility embodiment of relevant " execution specific action ", control chip 120 can be by in the received satellite positioning signal of GPS chip 110, capture the satellite time data, and, upgrade real-time clock (the Real Time Clock in the computer system according to capturing result; RTC) 170.
In other embodiments, first and second can be set and trigger element.When the first triggering element was triggered, control chip 120 made output unit 150 present the message relevant with the satellite positioning signal content (as above-mentioned longitude and latitude data).When the second triggering element is triggered, the time that control chip 120 upgrades real-time clocks 170.
Fig. 2 is a control method of the present invention, and it is applicable to computer system.But this computer system receiving satellite positioning signals, and applicable under the system closedown state.Computer system includes power supply device, global position system chip, control chip and triggers element.
At first, judge that computer system is whether under the system closedown state (step S210).If computer system is not at off-mode, then carry out general operate as normal (step S211).If computer system is at off-mode, then judges and trigger element whether be triggered (step S220).Trigger element and can be function key (Function Key) or shortcut (Hot Key/Quick Key), for example on the keyboard of computer system own existing a certain or certain several combination button set appointment, or on keyboard, increase proprietary button, or differ from the extra proprietary button that is provided with outside the keyboard, or Remote button.Trigger element and also can be that the general knowledge technician knows that other can produce any triggering element of trigger event signal.
Be not triggered if trigger element, then get back to step S210.Be triggered if trigger element, then power and start global position system chip (step S230).In the present embodiment, utilize the control chip power supply to give the global position system chip.When computer system is under the off-mode, this control chip still has the ability of power supply.In possibility embodiment, control chip is keyboard controller (the keyboard controller of computer system; KBC) or the embedded controller of computer system (Embedded Controller; EC).
Global position system chip receiving satellite positioning signals (step S240).In possibility embodiment, the global position system chip can pass through antenna, receives the satellite positioning signal from satellite.Then, transmit received satellite positioning signal (step S250).In the present embodiment, the global position system chip is sent to control chip by serial port with received satellite positioning signal.
Then, resolve satellite positioning signal (step S260).In the present embodiment, control chip is resolved the received satellite positioning signal of global position system chip.Then, according to the satellite positioning signal after resolving, carry out specific action (step S270).The available character string message of satellite positioning signal for example comprises: geographic longitude and latitude ($GPGLL:Geographic position, latitude/longitude), present direction and distance (and distance to waypoint), date and time (andTime) etc. between direction between position and destination (, origin to destination) and destination.
In may embodiment, can utilize the mode of output unit with image or sound, present the satellite positioning signal after the parsing.For example, can utilize display device to show the geographic location message of computer system.In another possibility embodiment, the time of utilizing the satellite time in the satellite positioning signal after resolving to upgrade the real-time clock of computer system.
In the present embodiment, the performed specific action of step S270 comprises the time (step S272) whether satellite positioning signal (step S271) after show resolving and decision upgrade real-time clock.As shown in the figure, behind execution of step S260, show the satellite positioning signal (step S271) after resolving.In the present embodiment, be the satellite positioning signal that utilizes after output unit (as display or other display device of computer system itself) shows parsing.In possibility embodiment, control chip can be powered and be given output unit.
Then, judge whether to need to upgrade the time (step S272) of real-time clock.In possibility embodiment, can on display device, show that user's menu is for user's selection.According to the result that clicks of user's menu, the real-time clock time whether decision upgrades this computer system.When real-time clock time is upgraded in decision, then utilize the satellite time of the satellite positioning signal after resolving, upgrade real-time clock time (step S273).After having upgraded the time of real-time clock, judge to trigger element whether be triggered once more (step S280).
In another may embodiment,, then can judge and trigger element whether be triggered once more (step S280) if do not need to upgrade real-time clock time.If not, then get back to step S270, continue to carry out specific action.In the present embodiment, do not triggered once more, then continued to show the satellite positioning signal (step S271) after resolving if trigger element.If when the triggering element is triggered once more, stop to carry out specific action (step S281).In the present embodiment, if when triggering element and being triggered once more, stop to show the satellite positioning signal after the parsing.In another possibility embodiment, when being triggered once more, stopping power supply and give the satnav chip as if the triggering element.
In addition, the embodiment of the invention described above is that the Global Positioning System (GPS) GPS with the U.S. is the example explanation, but those of ordinary skills also know the present invention and can also be useful on other global position system, for example on Ou Zhou the Galilean satellite positioning system (Galileo Positioning System).
In sum, because the GPS chip is when computer system is off-mode, still can receiving satellite signal.Therefore, when computer system switches to open state by off-mode, do not need to reinitialize again the GPS chip.In addition, when computer system is off-mode, can carry out specific action, as showing the computer system position or showing the present time according to the received satellite-signal of GPS chip.
Claims (21)
1, a kind of computer system, but receiving satellite positioning signals, and applicable under the computer system off-mode, it is characterized in that, comprising:
Power supply device provides operating voltage;
The global position system chip receives this satellite positioning signal by antenna;
Link up interface, couple this global position system chip
Control chip receives this operating voltage, and links up the interface acquisition and resolve this satellite positioning signal by this, and can provide the power supply supply to give this global position system chip; And
Trigger element, be coupled to this control chip; Wherein, when this computer system in off-mode down and this triggering element when being triggered, this control chip provides this power supply supply to give this global position system chip, in order to capture and to resolve this satellite positioning signal.
2, computer system according to claim 1 is characterized in that, also comprises:
Output unit, this output unit couples this control chip, and when this triggering element was triggered, this output unit was exported the satellite positioning signal after this parsing.
3, computer system according to claim 2 is characterized in that, described output unit is a display device, in order to present the satellite positioning signal after this parsing.
4, computer system according to claim 3 is characterized in that, this display device is the small-sized LCD that is independent of outside the existing display of this computer system.
5, computer system according to claim 2 is characterized in that, this output unit is informed the longitude or the latitude of this computer system present position or informed the satellite time that this computer is present.
6, computer system according to claim 1 is characterized in that, this controller comprises conversion equipment, in order to this operating voltage is converted to this power supply supply.
7, computer system according to claim 1 is characterized in that, this communication interface is a serial port.
8, computer system according to claim 1 is characterized in that, also comprises:
Real-time clock, this real-time clock is coupled to this control chip, and when this triggering element was triggered, the satellite time of the satellite positioning signal after this parsing carried out time adjustment to this real-time clock.
9, computer system according to claim 1 is characterized in that, described control chip is keyboard controller (keyboard controller; KBC) or embedded controller (Embedded Controller; EC).
10, computer system according to claim 1 is characterized in that, also comprises: keyboard, and this keyboard has a plurality of buttons, and this triggering element is at least one button in these buttons.
11, computer system according to claim 1 is characterized in that, this triggering element is the button of proprietary setting.
12, computer system according to claim 1 is characterized in that, described global position system is a GPS.
13, a kind of control method, be applicable to computer system, but this computer system receiving satellite positioning signals, and applicable under the system closedown state, this computer system includes power supply device, global position system chip, control chip and triggers element, it is characterized in that this control method comprises:
Judge that this computer system is whether under this system closedown state;
Judge whether this triggering element is triggered;
When this computer system under this system closedown state and this triggering element when being triggered, this global position system chip will be powered and start to this control chip to accept and to resolve this satellite positioning signal; And
Utilize the satellite positioning signal after this parsing, carry out the specific action that corresponds to this triggering element.
14, control method according to claim 13 is characterized in that, this specific action is the geographic location message of this computer system of output on output unit.
15, control method according to claim 14 is characterized in that, this output unit is a display device.
16, control method according to claim 13 is characterized in that, this specific action is the real-time clock time that the satellite time in the satellite positioning signal that utilizes after this parsing upgrades this computer system.
17, control method according to claim 15 is characterized in that, also comprises:
On this display device, show user's menu;
According to the result that clicks of this user's menu, the real-time clock time whether decision upgrades this computer system;
When this real-time clock time is upgraded in decision, then utilize the satellite time of the satellite positioning signal after this parsing, upgrade this real-time clock time.
18, control method according to claim 13 is characterized in that, this control chip is the keyboard controller or the embedded controller of this computer system.
19, control method according to claim 13 is characterized in that, this triggers element is at least one button of this computer system upper keyboard.
20, control method according to claim 13 is characterized in that, described triggering element is the button of proprietary setting on this computer system.
21, control method according to claim 13 is characterized in that, also comprises:
Judge whether this triggering element is triggered once more; And
When this triggering element is triggered once more, stops to carry out this specific action, and stop power supply and give this satnav chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008101981362A CN101661307B (en) | 2008-08-29 | 2008-08-29 | Computer system capable of receiving satellite positioning signals and control method thereof |
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| CN2008101981362A CN101661307B (en) | 2008-08-29 | 2008-08-29 | Computer system capable of receiving satellite positioning signals and control method thereof |
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| CN101661307B CN101661307B (en) | 2011-12-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102207749A (en) * | 2010-03-31 | 2011-10-05 | 宏碁股份有限公司 | Electronic module for providing bias voltage for antenna matching circuit and note computer |
| CN104730553A (en) * | 2015-03-13 | 2015-06-24 | 广东远峰电子科技有限公司 | Compass navigation fast assistant positioning circuit and method thereof |
| CN104793223A (en) * | 2015-05-04 | 2015-07-22 | 广东远峰电子科技有限公司 | Beidou navigation and positioning circuit |
| CN105095803A (en) * | 2015-07-22 | 2015-11-25 | 无锡智感星际科技有限公司 | Electronic equipment and tracking method of electronic equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7318170B2 (en) * | 2004-07-09 | 2008-01-08 | Spyder Navigations, Llc | Protection of non-volatile memory component against data corruption due to physical shock |
| JP4844108B2 (en) * | 2005-12-07 | 2011-12-28 | ソニー株式会社 | Information processing apparatus, power supply control method, and computer program |
| CN101210963B (en) * | 2006-12-29 | 2011-07-13 | 佛山市顺德区顺达电脑厂有限公司 | Position location system and its control method |
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2008
- 2008-08-29 CN CN2008101981362A patent/CN101661307B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207749A (en) * | 2010-03-31 | 2011-10-05 | 宏碁股份有限公司 | Electronic module for providing bias voltage for antenna matching circuit and note computer |
| CN104730553A (en) * | 2015-03-13 | 2015-06-24 | 广东远峰电子科技有限公司 | Compass navigation fast assistant positioning circuit and method thereof |
| CN104793223A (en) * | 2015-05-04 | 2015-07-22 | 广东远峰电子科技有限公司 | Beidou navigation and positioning circuit |
| CN105095803A (en) * | 2015-07-22 | 2015-11-25 | 无锡智感星际科技有限公司 | Electronic equipment and tracking method of electronic equipment |
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| CN101661307B (en) | 2011-12-28 |
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Granted publication date: 20111228 Termination date: 20120829 |