CN1885921A - TV set setting USB/memory card interface and its software upgrading method - Google Patents
TV set setting USB/memory card interface and its software upgrading method Download PDFInfo
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Abstract
The disclosed method to upgrade TV software comprises: adding a SD/CF interface slot and/or USB interface, using TV CPU to initialize and detect the USB interface and read the upgrade software into memory and write into a nonvolatile memory. This invention frees from RS232 or I2C interface or computer, and upgrades conveniently.
Description
Technical field
The present invention relates to TV technology, particularly relate to a kind of television set and software upgrade method thereof of the USB/ of being provided with memory card interface.
Background technology
Television set is one of household appliances of the most normal use in people's daily life, and people can understand national affairs, topical news by TV, pay close attention to international situation, world peace, share the economic construction achievement of China; Can also understand, grasp various general knowledge such as economy, law, life by TV, understand, grasp modern science and technology knowledge; Can also watch programs such as movie and television play, music, Chinese folk art forms, physical culture by TV; TV has greatly enriched people's life, we can say, TV has become and one of closely bound up and indispensable articles for use of daily life.
In television set, include complex control software usually, switch as importing audio-video signal, standard identification, signal processing, display driver and OSD show control etc., these Control Software are stored in the interior nonvolatile storage of television set, as EEPROM, Flash etc.Along with further developing of TV tech, particularly by the development of simulated television to Digital Television, television function is more and more, and the Control Software in the television set also becomes increasingly complex, and the television set of energy support software upgrading all presses for for manufacturer and user; To manufacturing firm, can come the bugs of fixed software system by software upgrading, by constantly improving software systems, give full play to the function of hardware platform and strengthen image quality; And, then can give full play to the function of hardware platform by software upgrading easily to the user, and improve image quality, increase new function, improve the value preserving function of television set.Though the upgrading of part television set support software is arranged at present, but all need to be connected with computer by RS232 interface or I2C interface, through realizing the software upgrading of television set behind the operational computations machine, thisly depend on the upgrading mode that computer is operated, not only process complexity, and inconvenient after-sale service.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of television set and software upgrade method thereof of the USB/ of being provided with memory card interface are provided, by USB interface or memory card interface are set on television set, and the cpu central processing unit that utilizes television set is to inserting USB interface or the USB flash disk of memory card interface or reading of storing card data file, realized not relying on can the upgrade purpose of TV set software of computer.
The technical solution adopted for the present invention to solve the technical problems is: a kind of television set that is provided with the USB/ memory card interface, and it includes Multiplexing Unit, A/D converting unit, signal processing unit, display driver unit, cpu central processing unit, Ram memory, Flash memory; Multiplexing Unit inserts analog input, the output of Multiplexing Unit is connected to the input of A/D converting unit, the output of A/D converting unit is connected to the input of signal processing unit, and signal processing unit also is provided with the input port that can insert the DVI/HDMI digital signal and can inserts the input port of TS streaming digital TV signal; Cpu central processing unit is connected with Multiplexing Unit, A/D converting unit, signal processing unit respectively by bus; Ram memory, Flash memory are connected with cpu central processing unit respectively;
Described television set also comprises:
One SD interface card slot device its role is to provide an interface slot, this slot can peg graft SD storage card, SM storage card, MMC storage card, Memory Stick storage card, Memory Stick PRO storage card, XD storage card;
One CF interface card slot device its role is to provide an interface slot, this slot can peg graft Compact Flash, Micro Driver storage card;
One USB interface device is the USB interface of standard, its role is to provide an interface slot, this slot USB flash disk of can pegging graft;
Three interface arrangements such as SD interface card slot device, CF interface card slot device, USB interface device only select one of them to be arranged on the television set generally speaking, certainly, also do not get rid of wherein two are arranged on the television set, or three all are provided with on TV;
SD interface card slot device, CF interface card slot device, USB interface device are connected with the corresponding port of cpu central processing unit respectively.
A kind of software upgrade method of the television set based on the USB/ memory card interface, it comprises the steps:
A. the cpu central processing unit of television set gets electric back the USB/ memory card interface is carried out initialization, and correct operating state is set;
B. the cpu central processing unit of television set detects the USB/ memory card interface in good time, and has the nonstorage device access to carry out analysis and judgement to the USB/ memory card interface, and be judged as and then changed next step over to, otherwise direct power cut-off state;
C. the cpu central processing unit of television set is searched USB flash disk or the interior data file of storage card that the USB/ memory card interface inserts, and to having or not upgrade software to judge, has been judged as and has then changed next step over to, otherwise direct power cut-off state;
D. the cpu central processing unit of television set reads in internal memory with the USB flash disk of USB/ memory card interface access or the upgrade software in the storage card;
E. the cpu central processing unit of the television set upgrade software that will read in internal memory is write in the nonvolatile storage, upgrades the former systems soft ware that is stored in the nonvolatile storage, then the power cut-off state.
During use, in television set, include Multiplexing Unit, A/D converting unit, signal processing unit, display driver unit, cpu central processing unit, Ram memory, Flash memory, its analog input is by multiplexing, inputing to signal processing unit after the A/D conversion handles, digital signals such as DVI/HDMI then directly input to signal processing unit, the TS stream that signal processing unit can also receiving digital television processing such as decode.Signal processing unit carries out multiplexing to above 3 kinds of inputs, go interlacing, convergent-divergent, and stack OSD etc. handles the rear drive display unit, as CRT/LCD/PDP etc.CPU then controls said process by bus.In television set, also be provided with SD interface card slot device and/or CF interface card slot device and/or USB interface device, so just can pass through SD interface card slot device or CF interface card slot device or USB interface device, realization is read in cpu central processing unit with the upgrade software in storage card or the USB flash disk, and and then realize television set is carried out software upgrading; When television set is when being provided with SD interface card slot device, upgrade software can be stored in SD storage card, SM storage card, MMC storage card, Memory Stick storage card, Memory StickPRO storage card, XD storage card, etc. on the storage card, then with SD storage card or SM storage card or MMC storage card or Memory Stick storage card or Memory Stick PRO storage card or XD storage card insertion SD interface card slot device, CPU by television set reads in the data file in the storage card, and then realizes the software upgrading to television set; When television set is when being provided with CF interface card slot device, upgrade software can be stored on Compact Flash, the Micro Driver storage card, then Compact Flash, Micro Driver storage card are inserted CF interface card slot device, CPU by television set reads in the data file of Compact Flash, and then realizes the software upgrading to television set; When television set is when being provided with the USB interface device, upgrade software can be stored on the USB flash disk, then USB flash disk is inserted the USB interface device, the CPU by television set reads in the data file of USB flash disk, and then realizes the software upgrading to television set; Like this, computer just need not carry in manufacturer or after-sale service department when television set is carried out software upgrading, only need carry storage card and USB flash disk gets final product, even user oneself also can carry out the upgrading of TV software, makes that the field software upgrading to television set becomes very easy, convenient.
When carrying out the software upgrading of television set, elder generation under off-mode, storage card or USB flash disk are inserted SD interface card slot device, CF interface card slot device or USB interface device, then television set is powered on; After television set powers on, the cpu central processing unit of television set is by bootstrapping software, initialization SD interface or CF interface or USB interface, correct operating state is set, and detects corresponding interface, if having storage card or USB flash disk to exist, and find corresponding upgrade file, system enters software upgrade process automatically, otherwise system normally starts.Television set can indicate reflection to upgrade successfully by indicator light.After upgrading successfully, television set is shut down, start can move new software image again.
The invention has the beneficial effects as follows, owing to adopted and on television set, set up SD interface card slot device and/or CF interface card slot device and/or USB interface device, cpu central processing unit by television set must carry out initialization to the USB/ memory card interface in electric back, the USB/ memory card interface is detected in good time, and the USB/ memory card interface there is nonstorage device and have or not upgrade software to judge, and the USB flash disk that the USB/ memory card interface is inserted or the upgrade software in the storage card read in internal memory and write in the nonvolatile storage, go to upgrade the former steps such as systems soft ware that are stored in the nonvolatile storage, realized the upgrade software of storage card or USB flash disk is upgraded in television set nonvolatile storage original system software, realized not relying on RS232 interface or I
2Can the upgrade purpose of TV set software of upgrade interface such as C interface and computer; Feasible field software upgrading to television set becomes very easy, convenient; Adopt upgrade method of the present invention to carry out software upgrading, have following superiority:
1) supports the field upgrade of TV set software and need not to open TV shell;
2) with by the serial ports upgrading compare, the upgrade method of invention has reliably, and speed is fast, need not advantages such as computer during upgrading, utilizes USB/ storage card upgrading Billy to be subjected to such an extent that interference is little with serial ports, and the reliability of file in download is higher; The speed of serial ports upgrading is generally 9600bps, 115200bps only at the soonest, and USB interface speed is at least 12Mbps, speed of download has improved more than 100 times; The serial ports upgrading need be connected with computer, by tool software download and upgrade programs such as hyper terminals, the maintenance personal need be equipped with notebook when making house calls, and user oneself almost can't upgrade, utilize USB flash disk/storage card etc. then only to need storage card or USB flash disk, not only cheaply but also be convenient for carrying, made things convenient for user oneself upgrading, the on-the-spot service of personnel after sale.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in further detail; But the television set and the software upgrade method thereof of a kind of USB/ of being provided with memory card interface of the present invention are not limited to embodiment.
Fig. 1 is the theory diagram of embodiment one television set of the present invention;
Fig. 2 is the software upgrading flow chart of television set of the present invention;
Fig. 3 is the theory diagram of embodiment two television sets of the present invention;
Fig. 4 is the theory diagram of embodiment three television sets of the present invention.
Embodiment
Embodiment one, referring to Fig. 1, shown in Figure 2, and a kind of television set and software upgrade method thereof that is provided with the USB/ memory card interface of the present invention; In television set, it includes Multiplexing Unit 11, A/D converting unit 12, signal processing unit 13, display driver unit 14, cpu central processing unit 15, Ram memory 191, Flash memory 192; Multiplexing Unit 11 inserts analog input, the output of Multiplexing Unit 11 is connected to the input of A/D converting unit 12, the output of A/D converting unit 12 is connected to the input of signal processing unit 13, and signal processing unit 13 also is provided with the input port that can insert the DVI/HDMI digital signal and can inserts the input port of TS streaming digital TV signal; Cpu central processing unit 15 is connected with Multiplexing Unit 11, A/D converting unit 12, signal processing unit 13 respectively by bus; Ram memory 191, Flash memory 192 are connected with cpu central processing unit 15 respectively;
Television set also comprises CF interface card slot device 16, and the effect of CF interface card slot device 16 is to provide an interface slot, this slot Compact Flash of can pegging graft; CF interface card slot device 16 is connected with the corresponding port of cpu central processing unit 15.
Software upgrade method based on the television set of above-mentioned USB/ memory card interface comprises the steps:
A. the cpu central processing unit 15 of television set must carry out initialization to Compact Flash interface 16 in electric back, shown in frame 21, correct operating state is set;
B. 15 pairs of Compact Flash interfaces 16 of the cpu central processing unit of television set detect in good time, and have the nonstorage device access to carry out analysis and judgement to Compact Flash interface 16, and shown in frame 22, be judged as and then changed next step over to, otherwise direct power cut-off state;
C. the cpu central processing unit 15 of television set is searched the interior data file of Compact Flash that Compact Flash interface 16 inserts, and to having or not upgrade software to judge, shown in frame 23, has been judged as and has then changed next step over to, otherwise direct power cut-off state;
D. the cpu central processing unit 15 of television set reads in internal memory with the upgrade software in the Compact Flash of Compact Flash interface 16 accesses, shown in frame 24;
E. the cpu central processing unit 15 of the television set upgrade software that will read in internal memory is write in the nonvolatile storage, upgrades the former systems soft ware that is stored in the nonvolatile storage, shown in frame 25, and power cut-off state then.
During use, in television set, include Multiplexing Unit 11, A/D converting unit 12, signal processing unit 13, display driver unit 14, cpu central processing unit 15, Ram memory 191, Flash memory 192, its analog input is by multiplexing 11, inputing to signal processing unit 13 after the A/D conversion 12 handles, digital signals such as DVI/HDMI then directly input to signal processing unit 13, the TS stream that signal processing unit 13 can also receiving digital television processing such as decode.Signal processing unit more than 13 pairs 3 kinds of inputs carry out multiplexingly, go interlacing, convergent-divergent, stack OSD etc. handles rear drive display unit 14, as CRT/LCD/PDP etc.CPU then controls said process by bus.In television set, also be provided with CF interface card slot device 16, so just can realize the upgrade software in the Compact Flash is read in cpu central processing unit by CF interface card slot device 16, and and then realize television set is carried out software upgrading;
When carrying out the software upgrading of television set, elder generation under off-mode, the CF card is inserted CF interface card slot device 16, then television set is powered on; After television set powers on, the cpu central processing unit 15 of television set is by bootstrapping software, initialization CF interface 16, correct operating state is set, and detects CF interface 16, if there is the CF card to exist, and find the upgrade file that is stored in the CF card, system enters software upgrade process automatically, otherwise system normally starts.Television set can indicate reflection to upgrade successfully by indicator light.After upgrading successfully, television set is shut down, start can move new software image again.
Like this, computer just need not carry in manufacturer or after-sale service department when television set is carried out software upgrading, only need carry storage card or USB flash disk gets final product, even the user controls oneself and also can carry out the upgrading of TV software, makes that the field software upgrading to television set becomes very easy, convenient.
Embodiment two, referring to shown in Figure 3, and a kind of television set and software upgrade method thereof that is provided with the USB/ memory card interface of the present invention; Be with the difference of embodiment one, on television set, be provided with SD interface card slot device 17, the effect of SD interface card slot device 17 is to provide an interface slot, this slot can peg graft SD storage card, SM storage card, MMC storage card, Memory Stick storage card, Memory StickPRO storage card, XD storage card; SD interface card slot device 17 is connected with the corresponding port of cpu central processing unit 15.
During use, upgrade software can be stored in the SD storage card, the SM storage card, the MMC storage card, the MemoryStick storage card, Memory Stick PRO storage card, on the storage cards such as XD storage card, then with SD storage card or SM storage card or MMC storage card or Memory Stick storage card or Memory Stick PRO storage card or XD storage card insertion SD interface card slot device 17, by SD storage card or SM storage card or MMC storage card or Memory Stick storage card or Memory Stick PRO storage card or XD storage card or interior data file are read in, and then realize software upgrading to television set.
Embodiment three, referring to shown in Figure 4, and a kind of television set and software upgrade method thereof that is provided with the USB/ memory card interface of the present invention; Be with the difference of embodiment one, be provided with USB interface device 18 on television set, USB interface device 18 is the USB interface of standard, and the effect of USB interface device 18 is to provide an interface slot, this slot USB flash disk of can pegging graft; USB interface device 18 is connected with the corresponding port of cpu central processing unit 15.
During use, upgrade software can be stored on the USB flash disk, then USB flash disk be inserted USB interface device 18, by the data file of USB flash disk is read in, and then realize software upgrading television set.
Claims (2)
1. television set that is provided with the USB/ memory card interface, it includes Multiplexing Unit, A/D converting unit, signal processing unit, display driver unit, cpu central processing unit, Ram memory, Flash memory; Multiplexing Unit inserts analog input, the output of Multiplexing Unit is connected to the input of A/D converting unit, the output of A/D converting unit is connected to the input of signal processing unit, and signal processing unit also is provided with the input port that can insert the DVI/HDMI digital signal and can inserts the input port of TS streaming digital TV signal; Cpu central processing unit is connected with Multiplexing Unit, A/D converting unit, signal processing unit respectively by bus; Ram memory, Flash memory are connected with cpu central processing unit respectively; It is characterized in that: described television set also comprises SD interface card slot device and/or CF interface card slot device and/or USB interface device; SD interface card slot device and/or CF interface card slot device and/or USB interface device are connected with the corresponding port of cpu central processing unit respectively.
2. method based on the TV set software upgrade of USB/ memory card interface, it is characterized in that: it comprises the steps:
A. the cpu central processing unit of television set gets electric back the USB/ memory card interface is carried out initialization, and correct operating state is set;
B. the cpu central processing unit of television set detects the USB/ memory card interface in good time, and has the nonstorage device access to carry out analysis and judgement to the USB/ memory card interface, and be judged as and then changed next step over to, otherwise direct power cut-off state;
C. the cpu central processing unit of television set is searched USB flash disk or the interior data file of storage card that the USB/ memory card interface inserts, and to having or not upgrade software to judge, has been judged as and has then changed next step over to, otherwise direct power cut-off state;
D. the cpu central processing unit of television set reads in internal memory with the USB flash disk of USB/ memory card interface access or the upgrade software in the storage card;
E. the cpu central processing unit of the television set upgrade software that will read in internal memory is write in the nonvolatile storage, upgrades the former systems soft ware that is stored in the nonvolatile storage, then the power cut-off state.
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| CNB2005100439382A CN100426850C (en) | 2005-06-22 | 2005-06-22 | TV set setting USB/memory card interface and its software upgrading method |
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