CN101533377A - Universal USB peer-to-peer data transmission line and transmission method - Google Patents
Universal USB peer-to-peer data transmission line and transmission method Download PDFInfo
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- CN101533377A CN101533377A CN200810102021A CN200810102021A CN101533377A CN 101533377 A CN101533377 A CN 101533377A CN 200810102021 A CN200810102021 A CN 200810102021A CN 200810102021 A CN200810102021 A CN 200810102021A CN 101533377 A CN101533377 A CN 101533377A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 11
- 239000013078 crystal Substances 0.000 claims abstract description 7
- 230000011664 signaling Effects 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 230000006870 function Effects 0.000 claims description 6
- 230000006386 memory function Effects 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
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Abstract
The invention discloses a universal USB peer-to-peer data transmission line and a transmission method, wherein the transmission line is used for data transmission among various digital devices, and comprises the following steps: a CPU chip for data caching, data processing and signaling processing between the transmission line and the digital equipment; one or more I/O interfaces connected with the CPU chip through a switch component, wherein the USB interface is used for connecting one or more digital devices; the power supply module is connected with the CPU chip and used for providing power supply for the transmission line; the temperature compensation crystal oscillation module is connected with the CPU chip and is used for providing a reference clock and a reference frequency for the work of the CPU chip; a flash memory for storing data. The invention is used for realizing the quick connection of the mobile phone and the mobile phone, the mobile phone and the USB flash disk, the mobile phone and the computer, the computer and the like for data transmission.
Description
Technical field
The present invention relates to data transmission set, particularly a kind of Universal USB equity transmission line and transmission method.
Background technology
Development along with society, the functional requirement of transmission data is extremely urgent between the various device, with regard to mobile phone and computer aspect, the existing interconnection technique that adopts has: Bluetooth technology, netting twine (internet), general USB line, but the Universal USB equity transmission line that various device is directly carried out data transmission still do not had.
From Bluetooth technology, need all bluetooth enables of each equipment, and speed is undesirable, and netting twine connection computer do not possess versatility widely yet, as mobile phone and computer, when mobile phone and mobile phone have interconnection needs.From the technical development of USB, if the powerful CPU of connecting line configuration feature can realize mobile phone fully, computer, camera, the simple interconnection of digital products such as USB flash disk, thus realize data transmission.
Summary of the invention
Technical matters to be solved by this invention is, a kind of Universal USB equity data line and transmission method are provided, and can be common to and carry out data transmission between various digital equipments.
For achieving the above object, the invention provides a kind of Universal USB equity data line, be used for the data transmission between the multiple digital equipment, this transmission line comprises:
One cpu chip is used for metadata cache, data processing and signaling process between described transmission line and the described digital equipment;
One or more USB interface are connected with described cpu chip by switch block, and described USB interface is used to connect one or more digital equipments;
One power module connects described cpu chip, is used to described transmission line that power supply is provided;
One temperature compensating crystal oscillating module connects described cpu chip, is used to cpu chip work that reference clock and reference frequency are provided.
Above-mentioned Universal USB equity data line comprises that also one is used to store the flash memory of data.
Above-mentioned Universal USB equity data line, described a plurality of I/O interfaces divide two rows, and wherein every row I/O interface all connects described cpu chip by a switch block.
Above-mentioned Universal USB equity data line, described digital equipment is supported USB host-host protocol standard.
Above-mentioned Universal USB equity data line, described USB equity transmission line is supported hot plug technology.
Above-mentioned Universal USB equity transmission line, described digital equipment is the storage class equipment that possesses the main frame of data processing function or only have memory function.
Above-mentioned Universal USB equity transmission line, described main frame is computer, PDA, digital camera, mobile phone, MP4 or MP3; Described storage class equipment is USB flash disk or portable hard drive.
Further, the present invention also provides a kind of Universal USB equity data transmission method, be used for comprising that by one the USB equity transmission line of USB chip, I/O interface, temperature compensating crystal oscillating module and power module carries out data transmission between multiple digital equipment, this method may further comprise the steps:
Step 1 connects one or more digital equipments on the I/O of described USB transmission line interface, described power module begins power supply;
Whether step 2, described cpu chip detect the dependency number decoding apparatus and connect, as detect the dependency number decoding apparatus and connect, and then cpu chip is distributed to the corresponding address of described digital equipment, and described address is fed back to the CPU of described dependency number decoding apparatus;
Step 3, described cpu chip is according to the usb protocol analysis and identify described relevant digital peripheral hardware and carry out exchanges data.
Above-mentioned Universal USB equity data transmission method, described I/O interface is the USB interface of standard; Described digital equipment is supported USB host-host protocol standard.
Above-mentioned Universal USB equity data transmission method, described digital equipment is the storage class equipment that possesses the main frame of data processing function or only have memory function.
Compared with prior art, Universal USB of the present invention equity data line has versatility between various digital equipments, makes between the digital equipment transmission data more convenient and light and handy.Utilize this general transmission line to realize connection between various device, carry out data transmission, satisfy people more and more to the demand of data transmission and exchange; Flash memory on this data line makes this transmission line also have data cached function simultaneously.
Description of drawings
Fig. 1 is the structural representation of Universal USB equity data line of the present invention;
Fig. 2 is the schematic flow sheet of Universal USB equity data transmission method of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments technical solution of the present invention being described in detail, with purpose, scheme and the effect of further understanding the present invention, but is not as the restriction to claims protection domain of the present invention.
With reference to figure 1, Universal USB equity data line of the present invention comprises: a cpu chip 10, the flash memory 105 of I/O interface 101 and the temperature compensating crystal oscillating module (TCXO) 103 that is connected with CPU10, power module 104 and storage data, wherein, cpu chip 10 is used to realize functions such as metadata cache, data processing, signaling process; I/O interface 101 is connected with cpu chip 10 by switch block 102, and this I/O interface promptly is used for being connected with several peripheral hardwares.After peripheral hardware was connected to this I/O interface, the cpu chip 10 of above-mentioned transmission line carried out communication with the CPU of peripheral hardware, carries out data processing; Temperature compensating crystal oscillating module 103 is used to cpu chip work that reference clock is provided, and for system works provides the frequency of benchmark, frequency is that 26MHz or 19.2MHz etc. all can; This USB equity transmission line is supported hot plug technology, need not equipment is restarted.
With reference to figure 1, USB equity data line of the present invention is provided with two row I/O interfaces, and the design of I/O interface quantity is not limited to shown in Figure 1, can design more Peripheral Interface as required.For further strengthening the versatility of this Universal USB equity transmission line, the I/O that links to each other with peripheral data line end is the USB interface of standard, can certainly be according to this connectivity port type of Demand Design of user.
With reference to figure 2, the flow process of Universal USB equity data transmission method of the present invention comprises the steps:
Step S201: on the USB interface of this Universal USB transmission line, connect one or more peripheral hardwares; Described peripheral hardware must be supported the USB operator scheme, supports USB host-host protocol standard that is:, and described I/O interface is the USB interface of standard;
Step S202: the power supply power supply, cpu chip starts, TCXO work;
Whether step S203:CPU detects relevant peripheral hardware and connects, and does not connect and returns step S202, connects execution in step S204;
Step S204: the CPU of transmission line distributes to the corresponding address of each equipment, and the address that will distribute to each equipment feeds back to a plurality of equipment CPU separately;
Step S205: according to usb protocol, the operational order of the CPU analysis user of transmission line identifies main frame action and corresponding peripheral hardware, carries out exchanges data.Described main frame does not comprise pure storage class equipment such as USB flash disk, portable hard drive, and the pure memory device of this class can only be handled as peripheral hardware; And digital equipments such as digital camera, mobile phone, MP3 both can be used as the peripheral hardware processing, can be used as the operational order that main frame is carried out the user again.
Universal USB equity data line of the present invention can support a main frame simultaneously a plurality of equipment to be operated, and at this moment, cooperates cpu chip to handle by the switch block in the transmission line.
The present invention is for mobile phone and mobile phone, mobile phone and USB flash disk, and mobile phone and computer, computer is realized being connected fast with computer or the like, carries out data transmission.After using the digital equipment connection of the present invention with the user, need not equipment to be carried out the differentiation of main frame and peripheral hardware, transmission line CPU judges automatically and identification according to user's operation, carries out the exchange of data then again, certainly, being similar to pure memory devices such as USB flash disk can not be as main frame.
Though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1, a kind of Universal USB equity data line is used for the data transmission between the multiple digital equipment, it is characterized in that this transmission line comprises:
One cpu chip is used for metadata cache, data processing and signaling process between described transmission line and the described digital equipment;
One or more I/O interfaces are connected with described cpu chip by switch block, and described USB interface is used to connect one or more digital equipments;
One power module connects described cpu chip, is used to described transmission line that power supply is provided;
One temperature compensating crystal oscillating module connects described cpu chip, is used to cpu chip work that reference clock and reference frequency are provided.
2, Universal USB equity data line according to claim 1 is characterized in that, comprises that also one is used to store the flash memory of data.
3, Universal USB equity data line according to claim 1 is characterized in that described a plurality of I/O interfaces divide two rows, and wherein every row I/O interface all connects described cpu chip by a switch block.
4, Universal USB equity data line according to claim 1 and 2 is characterized in that described digital equipment is supported USB host-host protocol standard.
5, Universal USB equity data line according to claim 1 and 2 is characterized in that described I/O interface is the USB interface of standard.
6, Universal USB equity data line according to claim 4 is characterized in that described digital equipment is the storage class equipment that possesses the main frame of data processing function or only have memory function.
7, Universal USB equity data line according to claim 6 is characterized in that described main frame is computer, PDA, digital camera, mobile phone, MP4 or MP3; Described storage class equipment is USB flash disk or portable hard drive.
8, a kind of Universal USB equity data transmission method, be used for comprising that by one the USB equity transmission line of USB chip, USB interface, temperature compensating crystal oscillating module and power module carries out data transmission between multiple digital equipment, it is characterized in that this method may further comprise the steps:
Step 1 connects one or more digital equipments on the I/O of described USB transmission line interface, described power module begins power supply;
Whether step 2, described cpu chip detect the dependency number decoding apparatus and connect, as detect the dependency number decoding apparatus and connect, and then cpu chip is distributed to the corresponding address of described digital equipment, and described address is fed back to the CPU of described dependency number decoding apparatus;
Step 3, described cpu chip is according to the usb protocol analysis and identify described relevant digital peripheral hardware and carry out exchanges data.
9, Universal USB equity data transmission method according to claim 8 is characterized in that described I/O interface is the USB interface of standard; Described digital equipment is supported USB host-host protocol standard.
10, Universal USB equity data transmission method according to claim 9 is characterized in that described digital equipment is the storage class equipment that possesses the main frame of data processing function or only have memory function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810102021A CN101533377A (en) | 2008-03-14 | 2008-03-14 | Universal USB peer-to-peer data transmission line and transmission method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810102021A CN101533377A (en) | 2008-03-14 | 2008-03-14 | Universal USB peer-to-peer data transmission line and transmission method |
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| Publication Number | Publication Date |
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| CN101533377A true CN101533377A (en) | 2009-09-16 |
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| CN200810102021A Pending CN101533377A (en) | 2008-03-14 | 2008-03-14 | Universal USB peer-to-peer data transmission line and transmission method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000240A1 (en) * | 2010-06-30 | 2012-01-05 | 中兴通讯股份有限公司 | Method and terminal device for downloading data |
| CN103095326A (en) * | 2013-01-14 | 2013-05-08 | 成都西可科技有限公司 | System and transmission method for data transmission between mobile phone and computer |
| CN105893309A (en) * | 2016-04-03 | 2016-08-24 | 丁云广 | Usb flash disk data exchanger |
| CN109639821A (en) * | 2018-12-28 | 2019-04-16 | 承影互联(北京)科技有限公司 | File transfer means and document receiving method, device and storage medium |
-
2008
- 2008-03-14 CN CN200810102021A patent/CN101533377A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012000240A1 (en) * | 2010-06-30 | 2012-01-05 | 中兴通讯股份有限公司 | Method and terminal device for downloading data |
| CN103095326A (en) * | 2013-01-14 | 2013-05-08 | 成都西可科技有限公司 | System and transmission method for data transmission between mobile phone and computer |
| CN105893309A (en) * | 2016-04-03 | 2016-08-24 | 丁云广 | Usb flash disk data exchanger |
| CN109639821A (en) * | 2018-12-28 | 2019-04-16 | 承影互联(北京)科技有限公司 | File transfer means and document receiving method, device and storage medium |
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Open date: 20090916 |