CN102075710B - Starting operation method for television and television - Google Patents
Starting operation method for television and television Download PDFInfo
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- CN102075710B CN102075710B CN 201010594557 CN201010594557A CN102075710B CN 102075710 B CN102075710 B CN 102075710B CN 201010594557 CN201010594557 CN 201010594557 CN 201010594557 A CN201010594557 A CN 201010594557A CN 102075710 B CN102075710 B CN 102075710B
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Abstract
The invention discloses a starting operation method for a television and the television. Program of the television is stored in an external memory, in addition, the external memory is plugged on a starting interface of the television when the television needs to be operated, and then, the following starting operation processes are executed: (1) running system guide program by a central processing unit (CPU) to enter a guide period after the television is turned on; (2) loading the television program stored in the external memory into an internal memory of the television by the CPU through using starting interface driving program compiled in the system guide program; and (3) running the television program in the television by the CPU to complete the starting process of the television. The television adopting the method provided by the invention has the advantages that because a television host machine is separated from equipment for storing the television program, the television program is not limited by the volume of internal storage devices of the television, more functions can be realized, and in addition, users can easily upgrade the television program through a computer or the external memory.
Description
Technical field
The invention belongs to the television receiver technical field, specifically, relate to a kind of startup operation method of television set and the television set that adopts the method design.
Background technology
Traditional television receiver, its inside need to arrange equipment, the annexation of these equipment such as the accompanying drawings 1 such as master chip, internal memory, NOR Flash and NANDFlash at least.Wherein, in master chip, include CPU; Store system bootstrap routine among the NOR Flash; Store television program among the NAND Flash.Generally speaking, the memory capacity of NAND Flash is 128M or 256M, and it is following in order to guarantee program normal storage and follow-up normal operation that television program need be compressed to this capacity.After television set powered up, the CPU in the master chip moved the system bootstrap routine among the NOR Flash, and the driver of NAND Flash is arranged in the system bootstrap routine, and boot is loaded into the television program of preserving among the NAND Flash in the internal memory by driver.Television program in the master chip running memory, television set just starts up like this, drops into normal running.
We can see from this process: the master chip of television set is the ability that does not possess save routine, and the function of master chip is the process of working procedure and loading procedure, be program is loaded in the internal memory from NAND Flash, rather than in the master chip; In addition, internal memory does not possess the ability of preserving after the outage.
And along with the function of television set set itself from strength to strength, more and more diversified, be not hard to predict, if operation or the more function of upgrading, the amount of its program also can increase thereupon.And in order to satisfy the inner storage space volume of television set itself, the size of just necessary limiting program amount; Otherwise, just must change the memory requirement that satisfies television program with the larger nonvolatile memory of capacity, but this will certainly cause the increase of television set cost.
Summary of the invention
The object of the present invention is to provide a kind of startup operation method of television set, call when supplying television set to start in the external memory by television program is stored in, thereby overcome conventional television is difficult for carrying out the television program expansion because of the restriction that is subjected to its inner NAND Flash memory capacity defective.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of startup operation method of television set is stored in television program in the external memory, and when needs operation television set described external memory is plugged on the startup interface of television set, then carries out following startup running:
Behind a, the television boot-strap, CPU operational system boot enters the vectoring phase;
B, CPU utilize the startup interface drive program of writing in the system bootstrap routine, and the television program of preserving in the described external memory is loaded in the television set internal memory;
Television program in c, the CPU running memory is finished the start-up course of television set.
Further, between described process a and process b, also comprise following process:
A1, described system bootstrap routine detect to start on the interface whether be plugged with external memory, if having, then carry out subsequent process; Otherwise, continue to detect starting interface;
A2, described system bootstrap routine detect in the external memory whether preserve television program, if having, and implementation b then; Otherwise, return course a1.
Further again, in described process a1, described startup interface can be a fixed interface of appointment on the television set, and when adopting fixed interface as described startup interface, described system bootstrap routine only detects this fixed interface.Certainly, television set for the interface that is provided with simultaneously a plurality of external memory that can be used for pegging graft, described startup interface can be any one interface wherein, at this moment, described system bootstrap routine detects each interface successively, is plugged with external memory if detect on arbitrary interface, then detects whether preserve television program in this external memory, if have, implementation b then; Otherwise, continue other each interface is detected.
Further, described system bootstrap routine successively each interface is detected complete after, if finding no external memory is plugged on the interface or is plugged in the external memory on the interface and all do not store television program, then repeat this process, continue each interface is carried out cycle detection.
Further, in described system bootstrap routine, write the driver of each described interface.
Further, between described process b and process c, also comprise following process:
B1, described system bootstrap routine detect the television program that is loaded in the internal memory, if the television program of encrypting, after then the television program of encrypting being decrypted, implementation c again.
Start operation method based on above-mentioned television set, the present invention provides again the television set of this startup operation method design of a kind of application, comprises CPU, the internal memory that is connected with described CPU and the memory of preserving system bootstrap routine; Wherein, the television program of described television set is kept in the external memory, and described external memory is connected communication by the startup interface that arranges on the television set with CPU; Described CPU is when television boot-strap starts, move the system bootstrap routine in the described memory, and utilize the startup interface drive program of writing in the system bootstrap routine, the television program of preserving in the described external memory is loaded in the internal memory and is moved, and then finish the start-up course of television set.
Further, described CPU is when the operational system boot, to whether being plugged with external memory on the startup interface detect, if have, then further detect in the described external memory whether preserve television program, if then the television program of preserving in the described external memory is loaded in the internal memory and is also moved; If do not preserve television program in the described external memory or start the external memory of not pegging graft on the interface, then CPU repeats the step that detects starting interface.
Further, described startup interface is a fixed interface of appointment on the television set, or the interface of any one the pegged graft external memory that arranges on the television set.
Compared with prior art, advantage of the present invention and good effect are: the present invention is by being stored in television program in the external memory, a thereby memory device that has saved inside television---be used for the nonvolatile memory of storage television program, not only reduce the cost of whole set of television, also reduced the complexity of design.And, adopt television set of the present invention owing to the device separates of television main with the storage television program, therefore, television program will no longer be subject to the restriction of memory device capacity, can carry more function.And the user can upgrade to television program by computer or external memory easily, even the software upgrading failure also is very easy to recover.In addition, use television set of the present invention, if father and mother do not wish when going out that children are in and steal a glance at TV, can directly the external memory of preserving television program be taken off, make the television set operation of can't starting shooting, reach the purpose of supervision.
After reading by reference to the accompanying drawings the detailed description of embodiment of the present invention, other characteristics of the present invention and advantage will become clearer.
Description of drawings
Fig. 1 is the internal circuit theory diagram of conventional television;
Fig. 2 is the internal circuit theory diagram of a kind of embodiment of television set proposed by the invention;
Fig. 3 is the internal circuit theory diagram of another embodiment of television set proposed by the invention;
Fig. 4 is the program flow diagram that television set proposed by the invention starts a kind of embodiment of operation method;
Fig. 5 is the program flow diagram that television set proposed by the invention starts another embodiment of operation method.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in more detail.
At first the design philosophy of television set startup operation method proposed by the invention is briefly described:
Along with the development of television set, USB interface and memory card interface have become the indispensable interface of television set, read and write the critical function that data in the external memory also become television set by USB interface or memory card interface.But for a long time, USB interface and memory card interface mainly are used to provide the multimedia video data to television set, realize multimedia function, and this function is quite universal in current panel TV set.The technology of television program being upgraded or upgrading by USB interface or memory card interface is also arranged, namely, be written to the television program that is stored in USB flash disk or the storage card in the nonvolatile memory of inside television by USB interface or memory card interface, in NAND Flash, to upgrade original television program among the NAND Flash, realize renewal and upgrade function to television program.
These are used all is as the basis take traditional inside television structure, the medium that external memory is just upgraded and loaded as a storage program, can not store television program since all consider external memory, can dispense the nonvolatile memory of inside television so fully, and directly start the television set operation with external memory, reach thus and simplify the inside television structure, reduce the complexity of circuit design, and the purpose that makes things convenient for television program to upgrade and upgrade.
The present invention just is being based on above-mentioned design philosophy and is proposing.
Below by three specific embodiments, elaborate specific design structure and the course of work thereof that television set proposed by the invention starts operation method and adopts the television set of this startup operation method.
Embodiment one, referring to shown in Figure 2, the chief components such as external memory (below be called to start use external memory) that the television set of the present embodiment comprises CPU, internal memory, store the memory of system bootstrap routine, start interface and store television program.Wherein, described CPU can be integrated in the television set master chip, and is connected with described internal memory, memory and startup interface respectively.Described memory preferably adopts the nonvolatile memory such as NOR Flash to come the storage system boot, transfers operation for CPU when television set powers up start.Described startup interface preferably is arranged on the tv shell, is used for pegging graft starting using external memory.If only be provided with the interface of the external memory of can pegging graft on the television set, so just this interface setting is the startup interface.If be provided with simultaneously the interface of a plurality of external memory of can pegging graft on the television set, then television manufacturer can specify one of them interface as starting interface, being exclusively used in the startup external memory of pegging graft; Also can allow to use any one interface as described startup interface, at this moment, startup can be plugged on any one interface with external memory, when television set powers up start, finishes the loading procedure to television program.The startup flow process of two kinds of designs is slightly different, referring to the corresponding description in the subsequent embodiment two, three.
Compare conventional television internal structure shown in Figure 1, the television set of the present embodiment can save a memory device on section's circuit design within it, the nonvolatile memory that namely is used for the storage television program, such as NAND Flash etc., thus not only so that the internal circuit configuration of television set is more succinct, reduced the design difficulty of PCB fabric swatch, and by television program is external, can avoid television program to be difficult to carry out the problem of procedure quantity expansion because of the restriction that is subjected to internal memory spare capacity, thereby provide the support on the hardware for the growing function of television set in the future.
In the present embodiment, described startup interface can be USB interface or memory card interface.Accordingly, described startup can be selected the data storage mediums such as USB flash disk or storage card with external memory.In the present embodiment, described storage card includes but not limited to mmc card, CF card, SD card and pcmcia card, as long as can store data and data wherein can be read by television set.
In order further to satisfy television set master chip and the transfer of data requirement that starts interface, the present embodiment also is provided with interface driving circuit between master chip and startup interface, referring to shown in Figure 3, such as voltage pull-up circuit etc., be connected on the data bus connection that starts between interface and the CPU, with the interface level requirement between matching unit.
For the CPU data format of supporting and the inconsistent situation of data transmission format that starts interface, the present embodiment can also further arrange data format converting in interface driving circuit, be connected between CPU and the startup interface, the Data Format Transform that is used for starting the television program of preserving with external memory is the data format that CPU supports, and then is loaded in the described internal memory by CPU.
Adopt the television set of Fig. 2, hardware assembling structure shown in Figure 3, when the needs television boot-strap move, only need to start before television set powers up start or after starting shooting and directly be plugged into the startup interface with external memory and get final product.After this, the CPU of inside television can transfer the television program of preserving in the external memory automatically, and the control television system starts operation.
For the startup operation method of the described television set of the present embodiment, elaborate its workflow below by two specific embodiments.
Embodiment two, and the present embodiment has proposed following television set and started operation method for the design of a fixed interface on the assigned TV set as described startup interface, referring to shown in Figure 4, comprises following process:
S401, incipient stage, television set is powered up start.
In this process, the power circuit of inside television is converted to low-voltage dc power supply with the Alternating Current Power Supply of outside, for inside television need to start-up phase power on the operation power devices, such as the CPU on the TV SKD, internal memory and the memory (the present embodiment following describes as an example of NOR Flash example) etc. that stores system bootstrap routine, carry out smoothly to guarantee the start process.
System bootstrap routine among the CPU operation NOR Flash in S402, the master chip enters the vectoring phase.
S403, CPU detect to start on the interface whether be plugged with external memory by the operational system boot; If have, then carry out subsequent process; Otherwise, repeat this process, continue to detect to start on the interface whether be plugged with external memory.
S404, CPU detect in the external memory whether preserve television program by the operational system boot, use external memory if be plugged on the external memory that starts on the interface for starting, and namely wherein preserve television program, then carry out subsequent process; Otherwise, return course S403, whether continue to detect to start has new external memory to insert on the interface.
S405, CPU utilize the startup interface drive program of writing in the system bootstrap routine, and the television program of preserving in the external memory is loaded on internal memory.
S406, system bootstrap routine detect the television program that is loaded in the internal memory; If the television program of encrypting after then the television program of encrypting being decrypted, is carried out subsequent process; Otherwise, directly carry out subsequent process.
Television program in S407, the CPU running memory.
S408, finish the start-up course of television set.
Embodiment three, the present embodiment all can be used as the design that starts interface to the interface of any one pegged graft external memory of arranging on the television set, have proposed following television set and have started operation method, referring to shown in Figure 5, comprise following process:
S501, incipient stage, television set is powered up start.
In this process, the power circuit of inside television is converted to low-voltage dc power supply with the Alternating Current Power Supply of outside, for inside television need to start-up phase power on the operation power devices, such as the CPU on the TV SKD, internal memory and the memory (the present embodiment following describes as an example of NOR Flash example) etc. that stores system bootstrap routine, carry out smoothly to guarantee the start process.
System bootstrap routine among the CPU operation NOR Flash in S502, the master chip enters the vectoring phase.
S503, defined variable i, and be variable i tax initial value, i.e. i=0.
S504, judge i whether more than or equal to the sum of the interface on television set N, if, then make i=1, carry out subsequent process; Otherwise, make i=i+1, and carry out subsequent process.
Here, described N is can be as the quantity that starts interface on the television set, which in start-up course, specifically need to detect interface, the television set developer can be set in system bootstrap routine, and all startup interfaces that start with external memory of can pegging graft are carried out the circular order detection.
S505, system bootstrap routine select i interface on the television set as the startup interface, and to whether being plugged with external memory on this interface detect; If have, then carry out subsequent process; Otherwise return course S504 continues to whether being plugged with external memory on other interface to detect.
S506, CPU detect in the external memory whether preserve television program by the operational system boot, if the external memory that is plugged on the current startup interface is used external memory for starting, namely wherein preserve television program, then carry out subsequent process; Otherwise return course S504 continues to detect on other interface whether be plugged with external memory.
S507, CPU utilize the startup interface drive program of writing in the system bootstrap routine, and the television program of preserving in the external memory is loaded in the internal memory.
Here, write on the television set all in the described system bootstrap routine and can be used as the interface drive program that starts interface, CPU carries out corresponding with it interface drive program according to the type selecting of current startup interface, finishes the loading procedure to television program in the external memory.
S508, system bootstrap routine detect the television program that is loaded in the internal memory; If the television program of encrypting after then the television program of encrypting being decrypted, is carried out subsequent process; Otherwise, directly carry out subsequent process.
Television program in S509, the CPU running memory.
S510, finish the start-up course of television set.
Adopt television set proposed by the invention and start operation method, if television set provides upgrade function, the user can be by the upgrade function on the television set to the upgrading television program in the external memory.Even upgrade unsuccessfully, television set can't start, and the user also can download up-to-date television program from the Internet, is saved in the external memory, again external memory is plugged on the startup interface of television set and starts TV, the functions of television set of also having upgraded in the time of startup.
If father and mother do not wish that children steal a glance at TV, they can take off external memory when leaving, and can't enter process S405 or S507 behind the television boot-strap like this, thereby can't move television program, make television set can't start operation, and then reach the purpose of supervision.
Certainly; above-mentioned explanation is not to be limitation of the present invention; the present invention also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (10)
1. the startup operation method of a television set is characterized in that: comprise CPU, internal memory, memory, startup interface and external memory in described television set; Described CPU is connected with described internal memory, memory and startup interface respectively; Described storage system boot is transferred operation for CPU when television set powers up start; Television program is stored in the described external memory, and when needs operation television set, described external memory is plugged on the startup interface of television set, then carry out following startup running:
Behind a, the television boot-strap, CPU operational system boot enters the vectoring phase;
B, CPU utilize the startup interface drive program of writing in the system bootstrap routine, and the television program of preserving in the described external memory is loaded in the television set internal memory;
Television program in c, the CPU running memory is finished the start-up course of television set.
2. the startup operation method of television set according to claim 1 is characterized in that: also comprise following process between described process a and process b:
A1, described system bootstrap routine detect to start on the interface whether be plugged with external memory, if having, then carry out subsequent process; Otherwise, continue to detect starting interface;
A2, described system bootstrap routine detect in the external memory whether preserve television program, if having,
Implementation b then; Otherwise, return course a1.
3. the startup operation method of television set according to claim 2, it is characterized in that: in described process a1, described startup interface is a fixed interface of appointment on the television set, and described system bootstrap routine only detects this fixed interface.
4. the startup operation method of television set according to claim 2, it is characterized in that: be provided with a plurality of interfaces for the grafting external memory at described television set, described system bootstrap routine detects each interface successively, if detect on arbitrary interface and be plugged with external memory, then detect and whether preserve television program in this external memory, if have, implementation b then; Otherwise, continue other each interface is detected.
5. the startup operation method of television set according to claim 4, it is characterized in that: described system bootstrap routine successively to each interface detect complete after, if finding no external memory is plugged on the interface or is plugged in the external memory on the interface and all do not store television program, then repeat this process, continue each interface is carried out cycle detection.
6. the startup operation method of television set according to claim 5 is characterized in that: the driver of writing each described interface in described system bootstrap routine.
7. the startup operation method of each described television set in 6 according to claim 1 is characterized in that: also comprise following process between described process b and process c:
B1, described system bootstrap routine detect the television program that is loaded in the internal memory, if the television program of encrypting, after then the television program of encrypting being decrypted, implementation c again.
8. a television set comprises CPU, the internal memory that is connected with described CPU and the memory of preserving system bootstrap routine; It is characterized in that: also comprise starting interface and external memory; Described CPU is connected with described startup interface, and described startup interface is used for the grafting external memory; The television program of television set is kept in the described external memory, and described external memory is connected communication by the startup interface that arranges on the television set with CPU; Described CPU is when television boot-strap starts, move the system bootstrap routine in the described memory, and utilize the startup interface drive program of writing in the system bootstrap routine, the television program of preserving in the described external memory is loaded in the internal memory and is moved, and then finish the start-up course of television set.
9. television set according to claim 8, it is characterized in that: described CPU is when the operational system boot, to whether being plugged with external memory on the startup interface detect, if have, then further detect in the described external memory whether preserve television program, if then the television program of preserving in the described external memory is loaded in the internal memory and is also moved; If do not preserve television program in the described external memory or start the external memory of not pegging graft on the interface, then CPU repeats the step that detects starting interface.
10. according to claim 8 or 9 described television sets, it is characterized in that: described startup interface is a fixed interface of appointment on the television set, or the interface of any one the pegged graft external memory that arranges on the television set.
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| CN 201010594557 CN102075710B (en) | 2010-12-09 | 2010-12-09 | Starting operation method for television and television |
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| CN 201010594557 CN102075710B (en) | 2010-12-09 | 2010-12-09 | Starting operation method for television and television |
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| CN102075710A CN102075710A (en) | 2011-05-25 |
| CN102075710B true CN102075710B (en) | 2013-02-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102209258A (en) * | 2011-06-01 | 2011-10-05 | 广州视源电子科技有限公司 | Method for increasing television set testing speed |
| CN102541595A (en) * | 2011-12-20 | 2012-07-04 | Tcl集团股份有限公司 | Method and device for upgrading intelligent device and intelligent device |
| CN102752651A (en) * | 2012-05-02 | 2012-10-24 | 熊猫电子集团有限公司 | Terminal based on convergent services |
| CN103118289A (en) * | 2012-12-20 | 2013-05-22 | 青岛海信电器股份有限公司 | Starting-up system, television and starting-up method |
| CN103514014A (en) * | 2013-09-16 | 2014-01-15 | 北京科技大学 | Method for designing boot system of embedded terminal equipment |
| CN105893051B (en) * | 2016-04-12 | 2019-04-30 | 福州瑞芯微电子股份有限公司 | A kind of the system firmware storage method and device of automobile data recorder |
| CN108614667B (en) * | 2016-12-12 | 2021-03-26 | 中国航空工业集团公司西安航空计算技术研究所 | Configurable broadcast ELS data frame power-on automatic loading circuit and method |
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| WO2008008675A2 (en) * | 2006-07-10 | 2008-01-17 | Device Vm, Inc. | Method and apparatus for virtualization of appliances |
| CN101202823A (en) * | 2007-08-06 | 2008-06-18 | 深圳创维－Rgb电子有限公司 | Method and apparatus for television set program load |
| CN101316314A (en) * | 2007-05-29 | 2008-12-03 | 青岛海信电器股份有限公司 | Method and interface for upgrading flash through USB interface for digital LCD TV |
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| CN1088218C (en) * | 1999-11-14 | 2002-07-24 | 邓国顺 | Electronic flash storage method and device for data processing system |
| KR20030032257A (en) * | 2001-10-17 | 2003-04-26 | 삼성전자주식회사 | Method for upgrading program and apparatus therefor |
| TWI389031B (en) * | 2008-09-15 | 2013-03-11 | Mstar Semiconductor Inc | Embedded electronic device and booting method thereof |
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| WO2008008675A2 (en) * | 2006-07-10 | 2008-01-17 | Device Vm, Inc. | Method and apparatus for virtualization of appliances |
| CN101316314A (en) * | 2007-05-29 | 2008-12-03 | 青岛海信电器股份有限公司 | Method and interface for upgrading flash through USB interface for digital LCD TV |
| CN101202823A (en) * | 2007-08-06 | 2008-06-18 | 深圳创维－Rgb电子有限公司 | Method and apparatus for television set program load |
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Effective date of registration: 20170215 Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Qingdao Hisense Electric Co., Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: Qingdao Hisense Xinxin Technology Co., Ltd. |
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Granted publication date: 20130213 Termination date: 20191209 |