CN101256795B - Multimedia player and playing method - Google Patents
Multimedia player and playing method Download PDFInfo
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- CN101256795B CN101256795B CN2008100273075A CN200810027307A CN101256795B CN 101256795 B CN101256795 B CN 101256795B CN 2008100273075 A CN2008100273075 A CN 2008100273075A CN 200810027307 A CN200810027307 A CN 200810027307A CN 101256795 B CN101256795 B CN 101256795B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000007613 environmental effect Effects 0.000 claims abstract description 68
- 238000001514 detection method Methods 0.000 claims description 34
- 238000012545 processing Methods 0.000 claims description 29
- 238000012360 testing method Methods 0.000 claims description 8
- 230000005059 dormancy Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
Abstract
The invention provides a multimedia player and a playing method thereof, the multimedia player is provided with a central process unit, a power supply portion providing power for the central process unit through a power supply processor, a wireless signal transmitting unit connected with the central process unit and with a environmental brightness detecting module for detecting the environmental brightness; the environmental brightness detecting module is connected with the central process unit, the central process unit can comprises a microprocessor and a multimedia processor. The playing method comprises writing an upper limit threshold value and a lower limit threshold value of the environmental brightness into a memory of the microprocessor; the microprocessor, according to a practical value of the environmental brightness detected by the environmental brightness detecting module, judges whether the practical value of the environmental brightness is between the upper limit threshold value and the lower limit threshold value of the environmental brightness, if so, the multimedia processor is started up, if not the microprocessor switches into dormancy mode. The invention is able to reduce the energy consumption of the multimedia player to sufficiently make use of the energy of the multimedia player.
Description
Technical field
The present invention relates to a kind of information play apparatus, the specifically a kind of multimedia player on the removable carrier and player method of this player of being arranged on.
Background technology
Now in the life, people always wish to obtain useful information in the shortest time, for example at the supermarket in, people wish to obtain the information of oneself required commodity in the shortest time, and know the concrete deposit position of these commodity.Therefore, the part supermarket uses the ID identity device to identify each object, promptly uses the super incity of ID identity device sign extensive stock, and the multimedia player with reader is installed on the shopping cart that client uses.The ID identity device is placed near the extensive stock respectively, and with the ID identification code of radio frequency signal form emission commodity, and the reader of multimedia player receives the relevant information of playing these commodity after this ID identification code, so that client's free choice of goods.
Be provided with microprocessor and multimedia processor in the existing multimedia player, and be provided with power unit, power unit is powered to microprocessor and multimedia processor by power processor.Simultaneously, also be provided with the less radio-frequency receiver module in the multimedia player, be used to receive the ID identification code that the ID identity device is sent.Microprocessor receives the multimedia messages that ID identification code rear drive multimedia processor is play this ID identification code correspondence, and multimedia messages is play to client by the message output module that is connected with multimedia processor.
But; because existing multimedia player can be worked when improper environmental light brightness; it is play multi-media information still under the higher or lower situation of surrounding environment brightness; for example; non operation time supermarket breath lamp, or in the open air, supermarket, in both cases; client does not need to watch multimedia messages, and this causes the inessential power consumption of multimedia player.Simultaneously, because the carrier-shopping cart of multimedia player also might be moved into some off-limits zone, impact or lose for the operate as normal in supermarket.
Summary of the invention
Fundamental purpose of the present invention provides a kind of multimedia player of effective saving electric energy;
Another object of the present invention provides the multimedia player that a kind of shopping cart that effectively prevents to be equipped with multimedia player enters prohibited area;
A further object of the present invention provides a kind of player method of above-mentioned multimedia player.
For realizing above-mentioned fundamental purpose, multimedia player provided by the invention comprises the central processing unit that stores environmental light brightness upper limit threshold and lower threshold, by the power unit of power processor to the central processing unit power supply, the wireless signal delivery unit that is connected with central processing unit, receive the message output module of central processing unit output information, wherein, this multimedia player also comprises the environmental light brightness detection module of testing environment luminance brightness, this environmental light brightness detection module is connected with central processing unit, when the detected surrounding environment luminance brightness of environmental light brightness detection module actual value was not between environmental light brightness upper limit threshold and lower threshold, central processing unit entered park mode or off-mode.
By such scheme as seen, multimedia player has only under the situation that environmental light brightness is fit to around just works, and makes full use of the electric energy of power unit.
A preferred scheme is, multimedia player is provided with the braking control module, and this braking control module is connected with central processing unit, is used to launch brake control signal.Simultaneously, be equipped with on the shopping cart wheel of this multimedia player and also the braking treating apparatus should be installed, when the shopping cart that multimedia player is installed enters when not being allowed to the zone, the braking control module is sent brake control signal to the braking treating apparatus under the control of central processing unit, the braking treating apparatus is about to wheel lock, shopping cart just can't enter the zone that is not allowed to, and avoids the supermarket is impacted.
Further scheme is that the wireless signal delivery unit comprises in infrared ray transceiver module or radio frequency transceiving module or the high-speed radio transceiver module at least.The supermarket can select different modes to come transmitting/receiving wireless information according to actual conditions, can utilize the big advantage of less radio-frequency information radiation scope, also can utilize the good advantage of infrared signal directionality, can also utilize the fast characteristics of the high-speed radio rate of information throughput, above-mentioned module can certainly be used in combination, to give full play to the advantage of various different wireless signal load modes.
And multimedia player can also be provided with the mobile vibration detection module that is connected with central processing unit, is used to detect moving or vibration signal of multimedia player.Like this, move or vibration signal threshold value detection time and frequency threshold value as long as in the storer of central processing unit, write, when mobile vibration detection module in time threshold, detect more than the frequency threshold value move or vibration signal after, central processing unit just enters duty, if in time threshold, do not detect moving or vibration signal more than the frequency threshold value, central processing unit enters park mode, to save power consumption.
Simultaneously, central processing unit of the present invention can comprise interconnective microprocessor and multimedia processor, and microprocessor may command multimedia processor starts or shutdown.Detect the environmental light brightness actual value not in upper limit threshold or lower threshold the time at the environmental light brightness detection module, the shutdown of microprocessor may command multimedia processor also can be saved the electric energy that multimedia player consumes.
In order to realize an above-mentioned purpose again, multimedia player player method provided by the invention comprises write environmental light brightness upper limit threshold and lower threshold in the storer of microprocessor; Microprocessor detects power unit and whether is in low-voltage state, in this way, microprocessing unit enters unlimited park mode, otherwise, after receiving the multimedia processor startup command, actual value by environmental light brightness detection module testing environment luminance brightness, judge that the environmental light brightness actual value whether between environmental light brightness upper limit threshold and lower threshold, in this way, starts multimedia processor, otherwise microprocessing unit enters park mode.
By said method as seen, microprocessor judges environmental light brightness actual value just starts multimedia processor between environmental light brightness upper limit threshold and lower threshold, otherwise microprocessor enters park mode.Like this, microprocessor and multimedia processor will can normally not carry out work when environmental light brightness is unaccommodated, save the electric energy that multimedia player consumes greatly.
A preferred scheme is that after multimedia processor started, whether microprocessor judges received brake command, sent brake control signal by the braking control module in this way.Like this, when the shopping cart that multimedia player is installed is moved into be not allowed to enter regional, microprocessor can receive the brake command that ID identity device etc. is sent, and by the braking control module send brake control signal, by the wheel lock of braking treating apparatus, prevent that shopping cart is moved into the zone that is not allowed to enter with shopping cart; Also close multimedia processor simultaneously, to save electric energy.
Further scheme is, multimedia player also is provided with the mobile vibration detection module that is connected with microprocessor, be used to detect moving or vibration signal of multimedia player, this player method comprises that writing the time threshold that detects mobile or vibration signal in the storer of microprocessor reaches frequency threshold value mobile or vibration;
The condition that microprocessor sends the multimedia processor startup command comprises the mobile or vibration signal that detects in the microprocessing unit judgement time threshold value more than the frequency threshold value; Perhaps the infrared ray transceiver module receives the infrared ray power-on command; Perhaps radio frequency transceiving module receives the radio frequency power-on command; Perhaps microprocessing unit receives new ID information of identification code.
This shows, after microprocessor detects and to satisfy in the above-mentioned condition each, just start multimedia processor, be that multimedia player is not received mobile or vibration signal in long-time, perhaps do not receive the infrared ray power-on command, perhaps do not receive the radio frequency power-on command, when perhaps microprocessing unit does not receive new ID information of identification code, multimedia processor is kept off-mode, saves the consumption of electric energy.
Further scheme is, it is fast that multimedia player also is provided with the information input mould that is connected with multimedia processor, after multimedia processor starts, whether microprocessor judges has detected the multimedia processor cut-off condition, in this way, the multimedia processor processing of shutting down, wherein, the multimedia processor cut-off condition comprises
The environmental light brightness detection module detects the environmental light brightness actual value greater than the environmental light brightness upper limit threshold; Perhaps
The environmental light brightness detection module detects the environmental light brightness actual value less than the environmental light brightness lower threshold; Perhaps
Do not detect above the moving or vibration signal of frequency threshold value in the microprocessing unit judgement time threshold value, and do not receive new ID information of identification code, and do not detect the fast operation of described information input mould.
This shows, when the environmental light brightness detection module detects the environmental light brightness actual value greater than upper limit threshold or less than lower threshold, all be in off-mode when promptly multimedia processor surrounding environment luminance brightness is too high or too low, save the consumption of electric energy.In other words, in the environmental light brightness actual value under the prerequisite between environmental light brightness upper limit threshold and the environmental light brightness lower threshold, detected move or the vibration signal value surpasses frequency threshold value or when receiving new ID information of identification code or detecting the operation of pair MIM message input module, just can start shooting in time threshold only.
Description of drawings
Fig. 1 is the electric schematic block diagram of multimedia player embodiment of the present invention;
Fig. 2 is the workflow diagram of multimedia player player method embodiment of the present invention;
Fig. 3 schemes in the workflow under the microprocessing unit normal mode of operation among the multimedia player player method embodiment of the present invention;
Fig. 4 schemes in the workflow during the new ID identification code of microprocessing unit identification among the multimedia player player method embodiment of the present invention;
Fig. 5 schemes in workflow when microprocessor and multimedia processor receive new data more among the multimedia player player method embodiment of the present invention;
Fig. 6 schemes in the flow process during multimedia processor entry condition trace routine among the multimedia player player method embodiment of the present invention;
Fig. 7 schemes in the flow process of multimedia processor cut-off condition trace routine among the multimedia player player method embodiment of the present invention.
The invention will be further described below in conjunction with accompanying drawing and each embodiment.
Embodiment
Referring to Fig. 1, in an embodiment, multimedia player is electrically connected with the braking treating apparatus.Multimedia player comprises power unit 1, power processor 2, microprocessor 3, multimedia processor 4, radio frequency transceiving module 5, infrared ray transceiver module 6, braking control module 7, environmental light brightness detection module 8, mobile vibration detection module 9, first data transfer interface 10, storer 11, information is imported 12 modules, high-speed radio transceiver module 13, second data transfer interface 14, information display module 15, audio frequency output module 16 and mechanical energy device for converting electric energy 21, wherein, microprocessor 3, multimedia processor 4 constitutes the central processing unit of present embodiment, and information display module 15, audio frequency output module 16 constitutes the information output unit of present embodiment, radio frequency transceiving module 5, infrared ray transceiver module 6 and high-speed radio transceiver module 13 constitute the wireless signal delivery unit of present embodiment.
Multimedia player is provided with power unit 1, and the power unit 1 of present embodiment can be accumulators such as nickel-cadmium, nickel-metal hydrides, lithium ion, and it is powered to microprocessor 3 by power processor 2.Certainly, power unit 1 can be provided with many Battery packs, can select wherein one or more groups power supply during use.In the present embodiment, multimedia player also is provided with mechanical energy device for converting electric energy 21, and its mechanical energy of utilizing the wheel of shopping cart to produce converts electric energy to, and after power processor 2 is handled, to power unit 1 charging.
Storer 11 is connected with multimedia processor 4, and storer 11 stores the information of one or more commodity, and these information can be audio or video information, also can be text graphic information.When multimedia processor 4 needed to play these multimedia messagess, addressable memory 11 also read these information, and play to client by information display module 15 and audio frequency output module 16.Certainly, storer 11 can be the storer that is fixedly installed on the multimedia player, as ROM, FLASH etc., also can be External memory equipment, and as USB dish, portable hard drive etc., these do not influence enforcement of the present invention.
MIM message input module 12 can be input equipments such as button or touch-screen, it can be under the control of multimedia processor 4, be stored in multimedia messages in the storer 11 by client or supermarket staff inquiry, perhaps the multimedia messages to storage upgrade, operation such as deletion.
High-speed radio transceiver module 13 can comprise bluetooth module or WiFi module, be used for multimedia processor 4 and carry out message exchange in the high-speed radio mode with External memory equipment, to improve the speed of message exchange, make things convenient for the supermarket staff that lot of data is written in the multimedia processor 4.
Second data transfer interface 14 that is connected with multimedia processor 4 is used for being connected with outer computer, programmable device, so that the program that will need to upgrade, data etc. download in the storer of multimedia processor 4.
Radio frequency transceiving module 5 is connected with the control interface of microprocessor 3, can receive the radio frequency signal that has the ID identification code of ID identity device emission, and this ID identification code is sent to microprocessor 3.Simultaneously, radio frequency transceiving module 5 can also receive data updated, data updated is stored into the address of appointment in microprocessor 3 storeies.And radio frequency transceiving module 5 can be launched the characteristic statistics information of multimedia player self-operating under the control of microprocessor 3, as relevant information broadcasting time etc. in the unit interval of a certain commodity.
What the infrared ray transceiver module 6 that is connected with microprocessor 3 can receive ID identity device emission has an ID identification code infrared signal.Simultaneously, infrared ray transceiver module 6 can also be launched infrared signal under the control of microprocessor 3, so that behind the ID identity device receiving infrared-ray signal, more radio frequency signal or the infrared signal of emitting times in time makes infrared ray transceiver module 6 or radio frequency transceiving module 5 receive the ID identification code of corresponding goods quickly in the unit.
Certainly, the infrared ray transceiver module receives with the direction perpendicular to ground or sends infrared signal during preferred scheme, can make the reception of infrared signal like this or send better effects if.
Environmental light brightness detection module 8 mainly comprises environmental luminance sensor, be used to detect surrounding environment luminance brightness actual value, and testing result is sent to the A/D converter of microprocessor 3 in the mode of simulating signal, A/D converter is sent to microprocessing unit after analog signal conversion is become digital signal.Microprocessing unit is with environmental light brightness upper limit threshold, the lower threshold contrast of detected environmental light brightness actual value and memory stores, if actual value is between upper limit threshold and lower threshold, microprocessing unit enters normal mode of operation, if actual value is not between upper limit threshold and lower threshold, microprocessing unit enters the dormancy program, reduces the consumption of electric energy.
Braking control module 7 is connected with microprocessor 3, can send brake control signal to braking treating apparatus 20 under the control of microprocessor 3.Be equipped with braking treating apparatus 20 should be installed on wheel on the shopping cart of multimedia player, braking treating apparatus 20 locks wheel after receiving the brake control signal that sends of braking control module 7, preventing that shopping cart from entering the zone that is not allowed to, as between stock, have a rest zone or of the staff in supermarket away from the zone in supermarket etc.Certainly, the brake control signal that braking control module 7 is sent can be to send with infrared mode, also can be that these do not influence enforcement of the present invention with wireless radio frequency mode or the emission of high-speed radio aspect.
Certainly, the supermarket should be provided with wireless signal transmitting device in the off-limits zone boundary of shopping cart, launches off-limits signal, after microprocessor receives this off-limits signal, be control brake control module 7 emission braking control commands, the wheel of locking shopping cart.
Mobile vibration detection module 9 is connected with the interruptable controller of microprocessor 3, is used to detect moving or vibration signal of multimedia player.After mobile vibration detection module 9 detects mobile or vibration signal, send interrupt request information to interruptable controller, microprocessor 3 judges whether detect moving or vibration signal more than the frequency threshold value in time threshold, in this way, represent that then having client to promote shopping cart does shopping, multimedia player promptly begins play multi-media information.If do not detect moving or vibration signal more than the frequency threshold value in time threshold, the expression multimedia shopping cart remains static, and microprocessor 3 and multimedia processor 4 will enter park mode or shutdown, to save electric energy.
First data transfer interface 10 that is connected with microprocessor 3 is used for being connected with outer computer, programmable device, and the program that needs can be upgraded, data etc. download in the storer of microprocessor 3.
It is emphasized that, the wireless signal delivery unit of the multimedia player of present embodiment is provided with radio frequency transceiving module 5, infrared ray transceiver module 6 and high-speed radio transceiver module 13, during actual the use, these modules all can dispose use selectively, promptly can select to use wherein one or more modules, this does not influence enforcement of the present invention.
Equally, wireless signal delivery unit of the present invention can also comprise that the laser transmitting-receiving module receives, launches laser signal, can realize that also the present invention receives the function of ID identification code, emission wireless signal.
Below, illustrate in conjunction with Fig. 2 to Fig. 7 how multimedia player works.Referring to Fig. 2, Fig. 2 is the workflow diagram of multimedia player player method embodiment of the present invention.Before the first task of multimedia player, need in the storer of microprocessor, write to detect and move or the time threshold of vibration signal and the data such as frequency threshold value, environmental light brightness upper limit threshold and lower threshold that move or vibrate.
Execution in step S1 after multimedia player is started working starts microprocessing unit and all circuit of microprocessor, and finishes the guiding of required software and the initialization of interior each assembly of elements of microprocessor.
Then, microprocessor execution in step S2 is operated in low frequency mode, and execution in step S3, and the dormancy time of doze output is set, and microprocessing unit enters park mode.Park mode can be the park mode that microprocessing unit carries, and also can realize by coding, and these do not influence realization of the present invention.
Microprocessing unit wakes back execution in step S4 up, by the voltage condition of power processor detection power unit, and execution in step S5, judge whether power unit is in low-voltage state.If power unit voltage is lower, execution in step S9 then, microprocessing unit enters unlimited park mode, just restarts after power unit is changed battery.If power unit voltage is normal, execution in step S6 then, detect the entry condition of multimedia processor, and execution in step S7, judge whether entry condition is true, if be true, execution in step S8 then, microprocessing unit enters normal mode of operation, otherwise returns execution in step S3, and microprocessing unit enters park mode once more.
Referring to Fig. 3, after microprocessing unit enters normal mode of operation, execution in step S11 at first, microprocessing unit is operated under the normal frequency pattern, and execution in step S12, the connection multimedia processor reaches the power supply with the multimedia processor interlock circuit, starts all circuit of multimedia processor, finishes software guiding and initialization.Then, the microprocessing unit zero clearing does not have the button timer that successively decreases, and the multimedia messages that starts the default ID identification code correspondence of multimedia processor is play process, i.e. execution in step S13.Wherein, the no button timer that successively decreases is one and gives the timer of timing that successively decreases automatically behind the initial value, and stops timing after being decremented to 0 automatically, and it is endowed does not need to press the timing of can successively decreasing automatically of any button behind the initial value.
Among the step S 14, microprocessing unit has judged whether that the staff presses the information inquiry button, and as at Query Information, execution in step S15 then gives the no button timer initial value that successively decreases, and multimedia processor shows corresponding Query Information.If do not press the information inquiry button, execution in step S16 then judges whether the no button timer that successively decreases is 0, and execution in step S17 then judges whether to carry out the information inquiry process in this way, otherwise execution in step S21.
Among the step S17, microprocessing unit judges whether to carry out the information inquiry process, execution in step S18 then in this way, start the broadcast process of the default ID identification code correspondence of multimedia processor, otherwise execution in step S19 judges whether to receive new ID identification code, if receive new ID identification code, execution in step S20 discerns the ID identification code that receives, otherwise execution in step S21.
Among the step S21, microprocessing unit detects the multimedia processor cut-off condition, and multimedia processor cut-off condition testing process sees also the detailed description of subsequent figures 7.Execution in step S22 behind the microprocessing unit detection multimedia processor cut-off condition judges whether the entry condition of multimedia processor is true, if entry condition is true, then execution in step S23 receives data updated, and returns execution in step S14.If entry condition is false, execution in step S24, the multimedia processor processing of shutting down, and the power supply control microprocessor processor disconnects the power supply with the multimedia processor interlock circuit, be execution in step S25, return execution in step S2 at last, microprocessing unit is operated in low frequency mode.
Introduce the new ID identification code workflow of microprocessing unit identification below in conjunction with Fig. 4.After microprocessing unit receives new ID identification code, execution in step S31, judge whether this ID identification code is the ID identification code of command type, execution in step S32 in this way, ID identification code if not command type, execution in step S33 then, the multimedia messages to should the ID identification code that starts multimedia processor is play process.
Among the step S32, microprocessing unit judges whether the command type ID identification code that receives is shutdown command, returns execution in step S24 in this way, the processing of shutting down, if not shutdown command, then execution in step S34 judges whether the volume regulating command, regulates volume as needs, execution in step S35, volume to multimedia processor output is regulated, if do not need to regulate volume, execution in step S36.
Among the step S36, microprocessing unit judges whether this command type ID identification code is characteristic statistics radio frequency output command, execution in step S37 in this way, microprocessing unit control radio frequency transceiving module is with the characteristic statistics data of radio frequency signal mode transmitting multimedia processor operation, as the relevant information broadcasting time of a certain commodity etc.If not characteristic statistics radio frequency output command, microprocessing unit execution in step S38, judge whether this order is characteristic statistics high-speed radio output command, execution in step S39 in this way is with by the characteristic statistics data of high-speed radio transceiver module with the operation of high-speed radio mode transmitting multimedia processor.If do not need the emission characteristic statistics, execution in step S40 then.
Among the step S40, microprocessing unit judges whether to receive brake command, brake command in this way, and then the control brake control module is sent the braking control command, i.e. execution in step S41.While execution in step S42, the entry condition of multimedia processor is set to vacation, and returns execution in step S24.If not brake command, execution in step S43 then is according to other the operation of command execution correspondence.
By the new ID identification code flow process of above-mentioned processing as seen, after microprocessing unit receives new ID identification code, to judge whether this ID identification code is command type ID identification code, and judging one by one whether this ID identification code is shutdown command, volume regulating command, characteristic statistics data radio frequency output command, the wireless output command of characteristic statistics data high-speed and brake command, and judging or carrying out accordingly and operate.
Introduce microprocessor and multimedia processor is how to receive data updated below in conjunction with Fig. 5.When receiving more new data, microprocessor is execution in step S51 at first, judge whether first data transfer interface is connected with outer computer or programmable device, expression need be upgraded the canned data of microprocessor in this way, execution in step S52, in the program that needs are upgraded, the storer that data download to microprocessor, and replace original program and data.
If first data transfer interface is not connected with outer computer, programmable device, multimedia processor execution in step S53, judge whether second data transfer interface is connected with outer computer or programmable device, expression need be upgraded the multimedia processor canned data in this way, execution in step S54 then, in the program that receives, storer 11 assigned address that data download to multimedia processor, and replace original program and data.
If second data transfer interface is not connected with outer computer, programmable device yet, multimedia processor execution in step S55, judge whether the high-speed radio transceiver module is connected with outer computer or programmable device, represent that in this way the supermarket staff upgrades by the program data of high-speed radio transceiver module to multimedia processor, then carry out S56, the program data that upgrades is stored in the address of multimedia processor appointment.
If the high-speed radio transceiver module is not connected with outer computer, programmable device yet, microprocessing unit execution in step S57, detect the voltage condition of power unit, and execution in step S58, judge whether power unit voltage is low excessively, then return execution in step S2 in this way, microprocessing unit is operated in low frequency mode, continues to carry out original program otherwise return.
Referring to Fig. 6, Fig. 6 is the process flow diagram of multimedia processor entry condition trace routine among the multimedia player player method embodiment of the present invention.When microprocessor detected the multimedia processor entry condition, at first execution in step S61 according to the detection signal of mobile vibration detection module, judged whether to detect moving or vibration signal more than the frequency threshold value in time threshold.This time threshold and frequency threshold value all are written to before microprocessing unit is started working in the storer of microprocessor, and can inquire about these two parameters during microprocessing unit work can acquisition time threshold value and frequency threshold value parameter.
In time threshold, detect moving or vibration signal more than the frequency threshold value as microprocessor judges, execution in step S65 then, otherwise execution in step S62, judge whether to receive the infrared ray power-on command, execution in step S65 in this way, otherwise execution in step S63 further judges whether to receive the less radio-frequency power-on command.If receive the less radio-frequency power-on command, then execution in step S 65, otherwise execution in step S64 judges whether to receive new ID information of identification code, if change, execution in step S65 continues to carry out original program otherwise return.
Among the step S65, microprocessing unit detects surrounding environment luminance brightness actual value by the environmental light brightness detection module, and contrast_environment luminance brightness actual value and the environmental light brightness upper limit threshold, the lower threshold that are stored in the storer, if the environmental light brightness actual value is between upper limit threshold and lower threshold, then the entry condition of multimedia processor is set to very, if not between upper limit threshold and lower threshold, then returning, actual value continues to carry out original program.
By said method as seen, microprocessor detects when whether starting multimedia processor, need to judge and in time threshold, detect moving or vibration signal more than the frequency threshold value, perhaps receive the infrared ray power-on command, perhaps receive the less radio-frequency power-on command, perhaps receive new ID information of identification code, and the environmental light brightness actual value is between environmental light brightness upper limit threshold and lower threshold the time, just the multimedia processor entry condition is set to very, non operation time supermarket breath lamp or in the supermarket when outdoor just, when surrounding environment luminance brightness actual value is less or big, multimedia processor will can not start, to save the electric energy that multimedia player consumes.
Introduce multimedia processor cut-off condition testing process below in conjunction with Fig. 7.When microprocessing unit detects the multimedia processor cut-off condition, execution in step S71 at first, judge that whether the detected environmental light brightness actual value of environmental light brightness detection module is greater than upper limit threshold, execution in step S76 in this way, otherwise execution in step S72, whether judge the detected environmental light brightness actual value of environmental light brightness detection module less than lower threshold, execution in step S76 in this way, otherwise execution in step S73.
Among the step S73, microprocessing unit is according to the detection signal of mobile vibration detection module, judges whether not detect in time threshold moving or vibration signal more than the frequency threshold value, execution in step S74 in this way, otherwise return the execution original program.
Among the step S74, microprocessing unit judges whether do not receive new ID identification code in time threshold, if do not receive, and execution in step S75, otherwise return the execution original program.
Among the step S75, microprocessing unit judges whether MIM message input module not to be operated in threshold time, execution in step S76 in this way, otherwise return the execution original program.
Among the step S76, the entry condition of microprocessing unit multimedia processor is set to vacation, and returns the execution original program.
By multimedia processor shutdown testing conditions flow process as seen, when the environmental light brightness actual value is greater than upper limit threshold or less than lower threshold around, the entry condition of multimedia processor is vacation, be that multimedia player does not all start under too bright or too dim environment, can save the electric energy that multimedia player consumes.
Simultaneously, if in time threshold, microprocessor does not detect above the moving or vibration signal of frequency threshold value, and do not receive new ID information of identification code, and do not detected MIM message input module has been operated, also the entry condition of multimedia processor is set to vacation, and multimedia processor promptly enters shutdown and handles, to save electric energy.
Multimedia player can be arranged on the shopping cart, and the braking treating apparatus is installed on the wheel of shopping cart.When shopping cart is moved into be not allowed to enter regional, microprocessor can the control brake control module send brake control signal to the braking treating apparatus, the braking treating apparatus can prevent that effectively shopping cart is moved into the zone that is not allowed to enter with wheel lock.
Certainly, in the foregoing description, the multimedia player setting is by microprocessor and two processors of multimedia processor, and during actual the use, above-mentioned two processors can only realize that by a central processing unit this does not influence enforcement of the present invention.
Simultaneously, multimedia player is not limited to be applied in the information of playing extensive stock in the supermarket, can also be used for playing in tourist district the recommended information at each sight spot, perhaps plays the required information of obtaining of various people in places such as exhibition, museum.
At last, it is emphasized that to the invention is not restricted to above-mentioned embodiment, also should be included in protection scope of the present invention such as the change of environmental light brightness threshold value, the change that power unit is formed, the subtle change such as change that the wireless signal delivery unit is formed.
Claims (10)
1. multimedia player comprises
Central processing unit stores environmental light brightness upper limit threshold and lower threshold information;
Power unit, described power unit is powered to central processing unit by power processor;
The wireless signal delivery unit that is connected with central processing unit;
Receive the message output module of central processing unit output information;
It is characterized in that:
The environmental light brightness detection module that also comprises the testing environment luminance brightness, described environmental light brightness detection module is connected with central processing unit;
Described environmental light brightness detection module detects surrounding environment luminance brightness actual value not between described environmental light brightness upper limit threshold and lower threshold the time, and described central processing unit enters park mode or off-mode.
2. multimedia player according to claim 1 is characterized in that:
Described multimedia player also comprises the braking control module that is connected with central processing unit, is used to launch brake control signal.
3. multimedia player according to claim 1 is characterized in that:
Described wireless signal delivery unit comprises in infrared ray transceiver module or radio frequency transceiving module or the high-speed radio transceiver module at least.
4. according to each described multimedia player of claim 1 to 3, it is characterized in that:
Described central processing unit comprises interconnective microprocessor and multimedia processor, and described microprocessor is provided with microprocessing unit.
5. according to each described multimedia player of claim 1 to 3, it is characterized in that:
Described multimedia player is provided with the mechanical energy device for converting electric energy, is used for converting mechanical energy to electric energy, and charges to power unit by power processor.
6. multimedia player according to claim 1 and 2 is characterized in that:
Described multimedia player comprises the mobile vibration detection module that is connected with central processing unit, is used to detect moving or vibration signal of multimedia player.
7. according to the player method of the described multimedia player of claim 4, comprise
In the storer of microprocessor, write environmental light brightness upper limit threshold and lower threshold;
Microprocessor detects described power unit and whether is in low-voltage state, in this way, microprocessing unit enters unlimited park mode, otherwise, after receiving the multimedia processor startup command, actual value by environmental light brightness detection module testing environment luminance brightness, judge that the environmental light brightness actual value whether between environmental light brightness upper limit threshold and lower threshold, in this way, starts multimedia processor, otherwise microprocessing unit enters park mode.
8. player method according to claim 7 is characterized in that:
After described multimedia processor started, whether microprocessor judges received brake command, in this way, sent brake control signal by the braking control module.
9. according to claim 7 or 8 described player methods, it is characterized in that:
Described multimedia player also is provided with the mobile vibration detection module that is connected with microprocessor, is used to detect moving or vibration signal of multimedia player;
In the storer of described microprocessor, write to detect and move or the time threshold of vibration signal and the frequency threshold value that moves or vibrate;
The condition that described microprocessor sends the multimedia processor startup command comprises
Detect above the moving or vibration signal of frequency threshold value in the microprocessing unit judgement time threshold value; Perhaps
The infrared ray transceiver module receives the infrared ray power-on command; Perhaps
Radio frequency transceiving module receives the radio frequency power-on command; Perhaps
Microprocessing unit receives new ID information of identification code.
10. player method according to claim 9 is characterized in that:
It is fast that described multimedia player also is provided with the information input mould that is connected with multimedia processor;
After described multimedia processor started, whether microprocessor judges had detected the multimedia processor cut-off condition, in this way, and the multimedia processor processing of shutting down;
Described multimedia processor cut-off condition comprises
The environmental light brightness detection module detects the environmental light brightness actual value greater than the environmental light brightness upper limit threshold; Perhaps
The environmental light brightness detection module detects the environmental light brightness actual value less than the environmental light brightness lower threshold; Perhaps
In the microprocessing unit judgement time threshold value
Do not detect above the moving or vibration signal of frequency threshold value, and
Do not receive new ID information of identification code, and
Do not detect the fast operation of described information input mould.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100273075A CN101256795B (en) | 2008-04-10 | 2008-04-10 | Multimedia player and playing method |
| PCT/CN2009/071207 WO2009124505A1 (en) | 2008-04-10 | 2009-04-09 | Multimedia player and playing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100273075A CN101256795B (en) | 2008-04-10 | 2008-04-10 | Multimedia player and playing method |
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| Publication Number | Publication Date |
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| CN101256795A CN101256795A (en) | 2008-09-03 |
| CN101256795B true CN101256795B (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100273075A Active CN101256795B (en) | 2008-04-10 | 2008-04-10 | Multimedia player and playing method |
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| Country | Link |
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| CN (1) | CN101256795B (en) |
| WO (1) | WO2009124505A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256795B (en) * | 2008-04-10 | 2010-09-01 | 珠海信石电子科技有限公司 | Multimedia player and playing method |
| CN102307101B (en) * | 2011-09-09 | 2015-07-22 | 飞天诚信科技股份有限公司 | Method and device for processing dynamic token and trigger signal of dynamic token |
| CN103595865B (en) * | 2013-11-08 | 2015-08-19 | 小米科技有限责任公司 | A kind of method of limit switch machine, device and terminal |
| CN103701984B (en) * | 2013-12-04 | 2016-01-27 | 乐视网信息技术（北京）股份有限公司 | A kind of video control method and mobile phone terminal |
| CN105976790A (en) * | 2016-06-20 | 2016-09-28 | 广州视睿电子科技有限公司 | Display screen brightness adjusting device and electronic equipment thereof |
| CN109413361B (en) * | 2017-08-17 | 2020-11-06 | 深圳市鹏创软件有限公司 | Method and system for controlling working state of terminal and terminal equipment |
| CN107452410A (en) * | 2017-08-31 | 2017-12-08 | 陈海枝 | A kind of WIFI audio frequency playing methods and device for toy for children |
| WO2020000324A1 (en) * | 2018-06-28 | 2020-01-02 | 海能达通信股份有限公司 | State control method for processor, control circuit, and mobile terminal |
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| US5250789A (en) * | 1991-10-31 | 1993-10-05 | Johnsen Edward L | Shopping cart |
| CN1201550C (en) * | 2000-12-21 | 2005-05-11 | 高通股份有限公司 | System and method for backlighting control in wireless communication device |
| CN1765672A (en) * | 2005-07-22 | 2006-05-03 | 任国敏 | Multimedia shopping cart |
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| US20070247427A1 (en) * | 2006-04-20 | 2007-10-25 | Chaochi Huang | Versatile laser pointer and mouse combination |
| CN101256795B (en) * | 2008-04-10 | 2010-09-01 | 珠海信石电子科技有限公司 | Multimedia player and playing method |
| CN101276403B (en) * | 2008-04-10 | 2010-06-02 | 珠海信石电子科技有限公司 | ID identification apparatus and identification method as well as using method |
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2008
- 2008-04-10 CN CN2008100273075A patent/CN101256795B/en active Active
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2009
- 2009-04-09 WO PCT/CN2009/071207 patent/WO2009124505A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5250789A (en) * | 1991-10-31 | 1993-10-05 | Johnsen Edward L | Shopping cart |
| CN1201550C (en) * | 2000-12-21 | 2005-05-11 | 高通股份有限公司 | System and method for backlighting control in wireless communication device |
| CN1765672A (en) * | 2005-07-22 | 2006-05-03 | 任国敏 | Multimedia shopping cart |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101256795A (en) | 2008-09-03 |
| WO2009124505A1 (en) | 2009-10-15 |
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