CN1300712C - Bridge connection controller - Google Patents
Bridge connection controller Download PDFInfo
- Publication number
- CN1300712C CN1300712C CNB2003101010021A CN200310101002A CN1300712C CN 1300712 C CN1300712 C CN 1300712C CN B2003101010021 A CNB2003101010021 A CN B2003101010021A CN 200310101002 A CN200310101002 A CN 200310101002A CN 1300712 C CN1300712 C CN 1300712C
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- usb
- interface
- ide
- bridge controller
- control module
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Abstract
The present invention provides a bridge connection controller which comprises an IDE subordinate interface, a universal serial bus (USB) interface and a control unit. The bridge connection controller makes a system with an IDE interface connected with the bridge connection controller through an IDE bus, and a USB device is connected and controlled by the bridge connection controller.
Description
Technical field
The present invention relates to a kind of bridge controller, be specifically related to the bridge controller between a kind of IDE slave interface and USB (USB (universal serial bus)) main frame/OTG interface, the system with ide interface that can make is connected and is controlled a USB device.
Background technology
(universal serial bus, USB) interface is that very general computer cabled digital signal communication interface connects standard to USB (universal serial bus), in the connecting interface of general PC standard, all provides USB Series " A " female connector of at least one standard.Any one has the peripheral device of USB standard specification interface, USB mouse for example with the public connector of a standard USB Series " A ", or the digital camera with interface of USB standard specification, can connect any PC, with the mutual Data transmission of digital signal of USB specification version 1.1 or 2.0 with Series " A " female connector of USB standard specification.Have advantages such as the higher and plug and play of transfer rate because of it, it is very numerous and become general trend to have the product of USB standard specification interface on the market, common as digital camera, circumscribed USB flash memory (Flash Card), and external connected hand disk etc.
The Voice ﹠ Video system of today (Audio and video system), as video disc (VideoCompact Disk, VCD) player, digital versatile dish (Digital Versatile Disk, DVD) player, or recordable digital versatile dish machine also utilize these USB devices (USB device) easily, for example play or back up the digital image data in the digital camera, or play the film that is stored in the USB external connected hand disk.Yet, access control USB device must just can reach via usb host or USB OTG, therefore work as a Voice ﹠ Video system and want access control one USB storage device, the function of necessary built-in usb host or USB OTG, as so-called information household appliances (Information Appliance) or modular appliance, it is huge so to take resource, and the technical difficulty degree also improves; And general Voice ﹠ Video system chipset only possesses ide interface, or this Voice ﹠ Video system chipset must expand PCI or special binding interface are provided, connect a usb host or USB OTG through a bus thus, usb host or USB OTG connect and control described USB device thus again, and this Voice ﹠ Video system must support the driver of usb host or USB OTG and USB device, also is very big burden.Please refer to Fig. 1.Fig. 1 is the synoptic diagram of existing Voice ﹠ Video or infosystem 10 access control USB devices 40.Voice ﹠ Video system 10 can be connected to an IDE device 20 so that it is carried out access control via an IDE bus 71.When access control one USB device 40 is desired by Voice ﹠ Video system 10, it must extend to can provide PCI or special connecting interface, interface is connected to one usb host/OTG 30 with a bus 81 thus, could connect and access control USB device 40 with a usb bus 91 by this usb host/OTG 30.
Summary of the invention
Therefore fundamental purpose of the present invention is to provide bridge controller and the bridge joint control method between an IDE slave interface and usb host or the USBOTG interface, to improve the problems referred to above.
According to claim of the present invention, system discloses a kind of bridge controller, it comprises an IDE slave interface and is used for connecting one first system, one USB interface is in order to connection and control a USB device, and one control module be connected between described IDE slave interface and the described USB interface, be used for to the transmission data between described IDE slave interface and the USB interface, steering order, and state carry out bridge joint control.Be electrically connected mutually between wherein said IDE slave interface and the described USB interface, and described control module will export described USB interface to after will being become transmission data, steering order or the state of a USB form by transmission data, steering order or the state exchange of an IDE form of described IDE slave interface input again, and will become the transmission data of described IDE or state to export described IDE slave interface to by the described USB transmission data or the state exchange of described USB interface input, do not need the data of format transformation also can between IDE slave interface and USB interface, directly transmit.
Description of drawings
Fig. 1 is existing Voice ﹠ Video system access control USB schematic representation of apparatus.
Fig. 2 is the synoptic diagram of bridge controller of the present invention.
Fig. 3 is first system access control USB schematic representation of apparatus of the present invention.
The implication of each Reference numeral in the accompanying drawing is described as follows:
10 have the Voice ﹠ Video or the infosystem chipset of ide interface
20 IDE devices
30 usb hosts/OTG
40 USB devices
50 bridge controllers
52 IDE slave interfaces
54 usb hosts/OTG interface
56 control modules
60 first systems
71, the 72DE bus
81 PCI or special connecting interface bus
91 usb bus
Embodiment
See also Fig. 2, Fig. 2 is the synoptic diagram of bridge controller 50 of the present invention.Bridge controller 50 includes an IDE slave interface 52, one usb hosts/OTG interface 54, and a control module 56.IDE slave interface 52 is electrically connected to control module 56 and usb host/OTG interface 54, and can have the system of ide interface via an IDE bus external, as the Voice ﹠ Video system.Usb host/OTG interface 54 is electrically connected to control module 56 and IDE slave interface 52, and can be via the external USB device of a usb bus.Control module 56 is electrically connected IDE slave interface 52 and usb host/OTG interfaces 54, be used for being responsible between IDE slave interface 52 and the usb host/OTG interface 54 transmission data, steering order, and the bridge joint of state control.In the present invention, when access control one USB device is desired by one system with ide interface, can an IDE bus be connected to the IDE slave interface 52 in the disclosed bridge controller 50 of the present invention, via the control module in the bridge controller 50 56, the data of the IDE form that will transmit from IDE slave interface 52, steering order, and state, convert the data of USB form to, steering order, and state, reach the usb host/OTG interface 54 in this bridge controller 50 again, connect this usb host/OTG interface 54 and described USB device with a usb bus, with the described USB device of access control.Control module 56 also is responsible for the data and the state of USB form that usb host/OTG interface 54 is transmitted, reach IDE slave interface 52 after converting IDE formatted data and state to, and control module 56 can be an embedded microprocessor or a procedure code.In addition, control module 56 also can be state machine (State machine).In addition, IDE slave interface 52 also directly is electrically connected mutually with usb host/54 OTG interfaces, therefore when the transmission data, does not need the data of format transformation also can directly reach usb host/OTG interface 54 from IDE slave interface 52.Therefore, use the system of bridge controller 50 not need to be external to a usb host or USB OTG, and can directly get final product access control one USB device through its ide interface by bridge controller 50 with pci bus.
See also Fig. 3, Fig. 3 is the synoptic diagram of first system of the present invention, 60 access control USB devices 40.Among Fig. 3, first system 60 one has the system of ide interface, can be Voice ﹠ Video system or other any systems with ide interface.When the 60 desires control access USB of first system device 40, can be via its ide interface that originally promptly has, be connected to bridge controller 50 of the present invention with an IDE bus 72, again with a usb bus 91 connect these bridge controllers 50 and desired the USB device 40 of access control; Wherein, bridge controller 50 also can must not have bus 72 in addition with the shared same IDE bus 71 of IDE device.Bridge controller 50 of the present invention can be changed the data of linking up IDE form and USB form, steering order, and state in the control module 56 that it comprised, the prior art that makes first system 60 not need to anticipate as shown in fig. 1 equally must possess PCI or special connecting interface and usb driver are arranged, and just can be connected to one usb host/OTG 30 and use access control USB device 40.And when using bridge controller of the present invention, first system 60 among Fig. 3 promptly is this DVD player, it can directly be connected to bridge controller 50 with IDE bus 72, bridge controller 50 is connected to the described USB external connected hand disk that stores film, i.e. USB device 40 among Fig. 3 with a usb bus 91 again.Steering order and state that bridge controller 50 can become the USB form with the steering order and the state exchange of the IDE form that DVD player spread out of transmit and assign to USB external connected hand disk 40; Also the state exchange of the USB form that USB external connected hand disk 40 can be sent becomes the state of IDE form, sends DVD player to.And be stored in cinematic data in the USB external connected hand disk, and can be sent to DVD player by bridge controller 50, promptly first system 60 among Fig. 3 plays.Above is an embodiment only for DVD player, and first system among the present invention also can be a recordable video CD player, a portable audio and video system, or any Voice ﹠ Video or infosystem with ide interface.
Generally speaking, the invention provides bridge controller and bridge joint control method between an ide interface and USB interface, its bridge joint is controlled the ide interface that general Voice ﹠ Video system often possesses, and flourish at present and be the USB device of main flow.Use bridge controller of the present invention, can make system chipset not need direct built-in support USB interface to connect and control USB device with ide interface, need not expand support PCI or special connecting interface to be connected to usb host/OTG and to control the USB device by this yet, and can utilize ide interface to connect bridge controller of the present invention, and connect and control USB device by this bridge controller.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claims of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (13)
1. bridge controller, it comprises:
One IDE slave interface is used for being connected to one and has first system of ide interface;
One USB interface is in order to control a USB device; And
One control module is connected between described IDE slave interface and the described USB interface, carries out bridge joint control for the transmission data between described IDE slave interface and the USB interface, steering order, the state that reaches.
2. be electrically connected mutually between the bridge controller as claimed in claim 1, wherein said IDE slave interface and described USB interface.
3. bridge controller as claimed in claim 1, wherein said USB interface are a usb host interface.
4. bridge controller as claimed in claim 1, wherein said USB interface are a USB OTG interface.
5. bridge controller as claimed in claim 1, wherein said control module are an embedded microprocessor.
6. bridge controller as claimed in claim 1, wherein said control module are procedure code.
7. bridge controller as claimed in claim 1, wherein said control module are state machine.
8. bridge controller as claimed in claim 1, wherein said control module will export described USB interface to after will becoming USB transmission data, steering order or state by IDE transmission data, steering order or the state exchange of described IDE slave interface input again, and export described IDE slave interface to after will being become the steering order of described IDE by described USB transmission data, steering order or the state exchange of described USB interface input.
9. bridge controller as claimed in claim 1, wherein said first system is a Voice ﹠ Video system chipset.
10. bridge controller as claimed in claim 1, wherein said first system is an infosystem chipset.
11. bridge controller as claimed in claim 1, wherein said first system is a video disc (VCD) player chip group.
12. bridge controller as claimed in claim 1, wherein said first system is digital versatile dish (DVD) player chip group.
13. bridge controller as claimed in claim 1, wherein said first system is a portable audio and video system chipset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101010021A CN1300712C (en) | 2003-10-10 | 2003-10-10 | Bridge connection controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101010021A CN1300712C (en) | 2003-10-10 | 2003-10-10 | Bridge connection controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1605994A CN1605994A (en) | 2005-04-13 |
| CN1300712C true CN1300712C (en) | 2007-02-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101010021A Expired - Fee Related CN1300712C (en) | 2003-10-10 | 2003-10-10 | Bridge connection controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1300712C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4337783B2 (en) * | 2005-06-30 | 2009-09-30 | セイコーエプソン株式会社 | Data transfer control device and electronic device |
| CN101556571B (en) * | 2009-04-08 | 2011-11-23 | 苏州国芯科技有限公司 | Bridge capable of realizing the high/low speed switch between CLB and slave modules |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030154340A1 (en) * | 2002-02-13 | 2003-08-14 | Thomas Bolt | Use of the universal serial bus as an internal architecture within IDE disk array |
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2003
- 2003-10-10 CN CNB2003101010021A patent/CN1300712C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030154340A1 (en) * | 2002-02-13 | 2003-08-14 | Thomas Bolt | Use of the universal serial bus as an internal architecture within IDE disk array |
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| Publication number | Publication date |
|---|---|
| CN1605994A (en) | 2005-04-13 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070214 Termination date: 20131010 |