CN1866209A - Display device capable of updating firmware - Google Patents
Display device capable of updating firmware Download PDFInfo
- Publication number
- CN1866209A CN1866209A CNA200510071332XA CN200510071332A CN1866209A CN 1866209 A CN1866209 A CN 1866209A CN A200510071332X A CNA200510071332X A CN A200510071332XA CN 200510071332 A CN200510071332 A CN 200510071332A CN 1866209 A CN1866209 A CN 1866209A
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- display device
- usb
- control chip
- device capable
- updating firmware
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Abstract
The disclosed display device with upgradeable firmware comprises: a USB transmission interface to connect the storage device for upgrade, a coupled USB control chip to control data transmission, and a coupled MCU to allot data to firmware.
Description
[technical field]
The invention relates to the display device of a kind of (firmware) capable of updating firmware, and particularly about a kind of can be via the display device of universal serial bus (USB) transmit port (port) firmware updating.
[prior art]
The structure of conventional television mainly comprises microcontroller (micro controller) 103, scaler chip (scalar chip) 104 and light engine (optical engine) 105 roughly as shown in Figure 1.Microcontroller 103 main various systemic-functions wherein, the amplification that scaler chip 104 is responsible for images is dwindled to cooperate various resolution, 105 responsible show images of light engine.
The function of conventional television is limited, and therefore the demand of firmware updating is seldom arranged.If upgrading, general way is as shown in Figure 1, uses the RS232 connecting line earlier, personal computer 101 is connected the RS232 transmit port 102 of conventional television, with the application program above the personal computer 101, upgrade then via RS232 transmit port 102.
Above way has a lot of shortcomings.At first be that after-sale service cost is too high,, want to give general user, allow them upgrade voluntarily and be not easy because the required software of upgrading all is to be stored on hard disk or the CD (CD).So must technician prepare application program and RS232 connecting line, even personal computer upgrading smoothly also will be provided.Next is can only upgrade microcontroller and scaler chip, is not suitable for numerous chipsets of the Digital Television of a new generation.And present televisor progress is with rapid changepl. never-ending changes and improvements, and function is more and more, and structure also becomes increasingly complex, and has a lot of new functions to increase by the mode of firmware upgrade, and upgrading can be conveniently many voluntarily if can allow the user.
[summary of the invention]
A purpose of the present invention is to provide a kind of display device capable of updating firmware, allows the user can obtain the required software of upgrading easily, and upgrading voluntarily, and then reduces the after service cost of manufacturer.
For reaching above-mentioned and other purpose, the present invention proposes a kind of display device capable of updating firmware, comprises the USB transmit port, is used to connect the storage device that upgrade data is provided; The USB control chip is coupled to the USB transmit port, be used to control upgrade data from the storage device to the display device in the middle of, need the transmission between at least one assembly of firmware updating; And microcontroller, be coupled to the USB control chip, be used for self-storing mechanism and read upgrade data, and distribute upgrade data to above-mentioned assembly.
Above-mentioned USB control chip is USB subordinate (slave) device, and storage device is USB main (host) device, and storage device can be a personal computer.
Above-mentioned USB control chip is supported portable type universal serial bus (USB OTG).
Above-mentioned USB control chip is the USB main device, and storage device is the USB slave unit, and storage device is a flash type memory card (compact flash).
The content of above-mentioned upgrade data comprise at least firmware program code with expand to show recognition data (EDID) one of them.
USB control chip of the present invention is supported USB OTG, can be used as main device or slave unit, when USB control chip during as main device, is connected with slave unit (for example flash type memory card) again, can obtain the required software of upgrading, and upgrade voluntarily; And when USB control chip during as subordinate control device, be connected with USB main device (for example personal computer) again, can obtain the required software of upgrading, and upgrading voluntarily.Therefore a lot of methods are arranged, can allow the user obtain the required software of upgrading easily, and upgrading voluntarily.For example manufacturer can use the flash type memory card, and upgrade software is posted to the user, and the user just can upgrade as long as the flash type memory card is inserted display device of the present invention.The user also can be with the page download upgrade software of personal computer from manufacturer, and the USB transmit port that connects personal computer and display device then is to upgrade.Thus, display device of the present invention is to want the defective on what's new or the correction firmware design all to be easy to, and can reduce the after service cost of manufacturer.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment of the present invention cited below particularly, and conjunction with figs. are described in detail below.
[description of drawings]
Fig. 1 is the firmware upgrade synoptic diagram of conventional television.
Fig. 2 is the organigram of display device capable of updating firmware according to an embodiment of the invention.
Fig. 3 is the organigram of display device capable of updating firmware according to another embodiment of the present invention.
[primary clustering symbol description]
101: personal computer
The 102:RS232 transmit port
103: microcontroller
104: the scaler chip
105: light engine
The 201:USB transmit port
202 ~ 204: detecting device
The 205:USB control chip
206: breakout box
207: microcontroller
208: scaler
209: digital television module
210: the light engine controller
211: control bus
The 212:I2C bus
The 305:USB control chip
308: scaler
309: digital television module
[embodiment]
Below explanation please refer to Fig. 2, and Fig. 2 is the structural representation that is pursuant to the display device capable of updating firmware of one embodiment of the invention.The display device of present embodiment has the function of Digital Television and monitor simultaneously.Briefly, the detecting device 202 ~ 204 on Fig. 2 left side mainly is the resolution that detects input signal, and microcontroller 207, scaler 208, digital television module 209 and 210 of light engine controls on Fig. 2 the right are the cores of Digital Television.
In the display device of present embodiment, the primary clustering of being responsible for firmware upgrade comprises USB transmission ends 201, USB control chip 205 and microcontroller 207.Wherein USB transmit port 201 is storage devices (not being illustrated among the figure) that upgrade data is provided in order to connection.The upgrade data here is meant needed firmware program code of firmware updating or data, is made up of at least one upgrading document.USB control chip 205 is coupled to USB transmit port 201, the transmission between at least one assembly that needs firmware updating in the middle of the display device of control upgrade data from the storage device to the present embodiment.Above-mentioned assembly has detailed description in the back.
Microcontroller 207 is coupled to USB control chip 205, and responsible self-storing mechanism reads upgrade data, and distributes upgrade data to the assembly that needs upgrading.Actual allocation scheme is when depending on the circumstances, and for example in the present embodiment, microcontroller 207 is the file names according to the upgrading document, distributes the upgrading document to corresponding assembly.In the present embodiment, microcontroller 207 is to be coupled to USB control chip 205 with IC bus (I2C bus) 212, other assembly is to be coupled to USB control chip 205 with IC bus too, yet the present invention is not limited to IC bus, also can use other connected mode.In addition, in the present embodiment, because the data between USB control chip 205 and the microcontroller 207 exchange frequently therefore special control bus 211 transferring command between USB control chip 205 and microcontroller 207 of using.
In the present embodiment, assembly capable of updating firmware comprises detecting device 202 ~ 204, scaler 208, digital television module 209 and light engine controller 210.Wherein detecting device 202 ~ 204 is coupled to USB control chip 205, and effect is the expansion demonstration recognition data (EDID) according to display data channel (DDC) standard and the storage of each detecting device, detects the demonstration specification of input signal, wherein also comprises resolution.In the present embodiment, the demonstration specification of detecting device 202 ~ 204 correspondences is respectively Video Graphics Array (VGA), first high resolving power (HD1) and second high resolving power (HD2), and the upgrading of detecting device 202 ~ 204 mainly is the EDID of their storages of displacement.
Light engine controller 210 is coupled to USB control chip 205, the display color of the display device of control present embodiment.Scaler 208 is controlled the amplification of display frame under various demonstration specifications of present embodiments and is dwindled.Digital television module 209 provides the digital television function of present embodiment, for example digital broadcasting, digital channel, programme content classification and digital closed caption (closed caption) etc.Breakout box 206 is coupled between scaler 208, digital television module 209, microcontroller 207 and the USB control chip 205, indication according to microcontroller 207, to offer scaler 208 or digital television module 209 from the upgrade data of USB control chip 205.Because in the present embodiment, 209 of scaler 208 and digital television modules provide RS232 interface, therefore need breakout box 206 to link up I2C and RS232 interface, and switch the data routing that leads to scaler 208 and digital television module 209.In other embodiments of the invention,, just can directly be coupled to USB control chip 205, not need breakout box 206 if scaler 208 and digital television module 209 are supported the I2C bus.
Except above-mentioned assembly, the display device of present embodiment also comprises a repayment device (not being illustrated among the figure), in order to show the situation and the progress of firmware upgrade process.In the present embodiment, this repayment device is to form with light emitting diode, yet the present invention is not as limit.
The USB control chip 205 of present embodiment is supported portable type universal serial bus (USBOTG), can serve as the USB slave unit to connect main device, for example personal computer; Or serve as the USB main device to connect slave unit, for example flash type memory card.So comprise above-mentioned personal computer and flash type memory card at interior various USB devices, can connect USB transmit port 201, serve as the storage device of present embodiment.
Therefore, a lot of methods are arranged, can allow user of the present invention obtain the required software of upgrading easily, and upgrading voluntarily.For example when USB control chip 205 served as the USB main device with the connection slave unit, manufacturer can use the flash type memory card, and upgrade software is posted to the user, and the user just can upgrade as long as the flash type memory card is inserted display device of the present invention.When USB control chip 205 serves as the USB slave unit with the connection main device, the user also can be with the page download upgrade software of personal computer (being main device) from manufacturer, and the USB transmit port that connects personal computer and display device then is to upgrade.Thus, display device of the present invention is to want the defective on what's new or the correction firmware design all to be easy to, and can reduce the after service cost of manufacturer.
Next, please refer to Fig. 3, Fig. 3 is the organigram of display device capable of updating firmware according to another embodiment of the present invention.The main difference of the embodiment of Fig. 3 and Fig. 2 is by USB control chip 305 master control firmware upgrade functionality, does not need microcontroller.In addition, scaler 308 and the digital television module 309 of Fig. 3 are the same with other assembly, are to be coupled to USB control chip 305 by the I2C bus, so just do not need breakout box.
Though the present invention with preferred embodiment openly as above; right its is not in order to limit the present invention; those skilled in the art can make equivalence replacement and remodeling, so protection scope of the present invention are as the criterion when looking the accompanying Claim person of defining without departing from the spirit and scope of the present invention.
Claims (20)
1. display device capable of updating firmware comprises:
One USB transmit port, in order to connect a storage device, this storage device provides a upgrade data;
One USB control chip is coupled to this USB transmit port, be used to control this upgrade data from this storage device in the middle of this display device, need the transmission between at least one assembly of firmware updating; And
One microcontroller is coupled to this USB control chip, is used for reading this upgrade data from this storage device, and distributes this upgrade data to those assemblies.
2. display device capable of updating firmware according to claim 1, wherein this assembly is coupled to this USB control chip, and it can be a detecting device, one light engine controller, one scaler and a digital television module one of them, this detecting device shows recognition data according to the expansion of display message channel standard and the storage of this detecting device, detect one of input signal and show specification, this light engine controller is controlled the display color of this display device, this scaler is controlled the amplification of display frame under various demonstration specifications of this display device and is dwindled, and this digital television module provides the digital television function of this display device.
3. display device capable of updating firmware according to claim 2, wherein this demonstration specification be VGA, HD1 and HD2 one of them.
4. display device capable of updating firmware according to claim 2, more comprise a breakout box, be coupled to this scaler, this digital television module, this microcontroller, and this USB control chip between, indication according to this microcontroller, will be from this upgrade data of this USB control chip, offer this scaler and this digital television module one of them.
5. display device capable of updating firmware according to claim 1 more comprises a control bus, transferring command between this USB control chip and this microcontroller.
6. display device capable of updating firmware according to claim 1, wherein this USB control chip is a USB slave unit, and this storage device is a USB main device.
7. display device capable of updating firmware according to claim 6, wherein this storage device is a personal computer.
8. display device capable of updating firmware according to claim 1, wherein this USB control chip is supported USB OTG.
9. display device capable of updating firmware according to claim 8, wherein this USB control chip is a USB main device, and this storage device is a USB slave unit.
10. display device capable of updating firmware according to claim 1, wherein this upgrade data comprises at least one upgrading document, and this microcontroller is the file name according to those upgrading documents; Distribute those upgrading documents to those assemblies.
11. display device capable of updating firmware according to claim 1, wherein the content of this upgrade data comprise at least firmware program code with expand to show identifying information one of them.
12. display device capable of updating firmware according to claim 1 more comprises: a repayment device, in order to the situation and the progress of the firmware upgrade process that shows this display device.
13. a display device capable of updating firmware comprises:
One USB transmit port is used to connect a storage device, and this storage device provides a upgrade data; And
One USB control chip is coupled to this USB transmit port, is used to control this upgrade data and needs in the middle of from this storage device to this display device the transmission at least one assembly of firmware updating.
14. display device capable of updating firmware according to claim 13, wherein this assembly is coupled to this USB control chip, and it can be a detecting device, one light engine controller, one scaler and a digital television module one of them, this detecting device shows identifying information according to the expansion of display message channel standard and the storage of this detecting device, detect one of input signal and show specification, this light engine controller is controlled the display color of this display device, this scaler is controlled the amplification of display frame under various demonstration specifications of this display device and is dwindled, and this digital television module provides the digital television function of this display device.
15. display device capable of updating firmware according to claim 13 more comprises a microcontroller, is coupled to this USB control chip, this storage device reads this upgrade data certainly, and distributes this upgrade data to those assemblies.
16. display device capable of updating firmware according to claim 13, this USB control chip is supported USB OTG.
17. display device capable of updating firmware according to claim 13, wherein this upgrade data comprise at least one the upgrading document, and this USB control chip be according to those the upgrading documents file name, distribute those the upgrading documents to those assemblies.
18. display device capable of updating firmware according to claim 13, wherein this USB control chip distributes this upgrade data to those assemblies.
19. display device capable of updating firmware according to claim 13, wherein this USB control chip is a USB main device, and this storage device is a USB slave unit.
20. display device capable of updating firmware according to claim 13, wherein this USB control chip is a USB slave unit, and this storage device is a personal computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200510071332XA CN1866209A (en) | 2005-05-18 | 2005-05-18 | Display device capable of updating firmware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200510071332XA CN1866209A (en) | 2005-05-18 | 2005-05-18 | Display device capable of updating firmware |
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| Publication Number | Publication Date |
|---|---|
| CN1866209A true CN1866209A (en) | 2006-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200510071332XA Pending CN1866209A (en) | 2005-05-18 | 2005-05-18 | Display device capable of updating firmware |
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| CN (1) | CN1866209A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963910A (en) * | 2010-09-21 | 2011-02-02 | 深圳市元征软件开发有限公司 | General USB (Universal Serial Bus) based equipment firmware updating method |
| CN103188557A (en) * | 2011-12-28 | 2013-07-03 | 三星电子株式会社 | Electronic system, control method thereof, display apparatus, upgrade apparatus, and processing method of display apparatus |
| CN103853638A (en) * | 2012-12-04 | 2014-06-11 | 联想(北京)有限公司 | Method for refreshing firmware and electronic equipment |
| CN103970561A (en) * | 2013-02-04 | 2014-08-06 | 成一电子股份有限公司 | Updating method of audio playing firmware and audio playing device applied by same |
| CN105975303A (en) * | 2016-04-29 | 2016-09-28 | 乐视控股（北京）有限公司 | Upgrade control method and device |
| CN106155725A (en) * | 2015-04-16 | 2016-11-23 | 联想（上海）信息技术有限公司 | Encryption chip firmware update, device and electronic equipment |
| CN108388534A (en) * | 2016-12-21 | 2018-08-10 | 天津三星电子有限公司 | A kind of display and the method for display program upgrading |
| CN109960524A (en) * | 2019-03-22 | 2019-07-02 | 威海优微科技有限公司 | A kind of method and its equipment carrying out online software upgrade by I2C |
-
2005
- 2005-05-18 CN CNA200510071332XA patent/CN1866209A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963910A (en) * | 2010-09-21 | 2011-02-02 | 深圳市元征软件开发有限公司 | General USB (Universal Serial Bus) based equipment firmware updating method |
| CN103188557A (en) * | 2011-12-28 | 2013-07-03 | 三星电子株式会社 | Electronic system, control method thereof, display apparatus, upgrade apparatus, and processing method of display apparatus |
| CN103853638A (en) * | 2012-12-04 | 2014-06-11 | 联想(北京)有限公司 | Method for refreshing firmware and electronic equipment |
| CN103853638B (en) * | 2012-12-04 | 2017-07-21 | 联想(北京)有限公司 | A kind of method and electronic equipment for refreshing firmware |
| CN103970561A (en) * | 2013-02-04 | 2014-08-06 | 成一电子股份有限公司 | Updating method of audio playing firmware and audio playing device applied by same |
| CN106155725A (en) * | 2015-04-16 | 2016-11-23 | 联想（上海）信息技术有限公司 | Encryption chip firmware update, device and electronic equipment |
| CN105975303A (en) * | 2016-04-29 | 2016-09-28 | 乐视控股（北京）有限公司 | Upgrade control method and device |
| CN108388534A (en) * | 2016-12-21 | 2018-08-10 | 天津三星电子有限公司 | A kind of display and the method for display program upgrading |
| CN109960524A (en) * | 2019-03-22 | 2019-07-02 | 威海优微科技有限公司 | A kind of method and its equipment carrying out online software upgrade by I2C |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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