CN105701059A - USB file transmission control method and system based on mobile terminal - Google Patents
USB file transmission control method and system based on mobile terminal Download PDFInfo
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- CN105701059A CN105701059A CN201610103434.3A CN201610103434A CN105701059A CN 105701059 A CN105701059 A CN 105701059A CN 201610103434 A CN201610103434 A CN 201610103434A CN 105701059 A CN105701059 A CN 105701059A
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- mobile terminal
- transmission
- usb
- file
- ram
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/061—Improving I/O performance
- G06F3/0613—Improving I/O performance in relation to throughput
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/064—Management of blocks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a USB file transmission control method and system based on a mobile terminal. The method comprises the steps that when the mobile terminal receives an instruction for transmitting files to a computer, a continuous space is developed in a random access memory of the mobile terminal, wherein the size of the continuous space is the sum of all the files needing to be transmitted; the mobile terminal copies the files needing to be transmitted to the developed random access memory space from a read-only memory one by one; the data copied to the developed random access memory space is transmitted to the computer through a USB. The USB file transmission control method and system can guarantee continuous and full-speed transmission when the mobile terminal transmits the multiple files to the computer through the USB, the transmission speed is increased, and convenience is provided for a user.
Description
Technical field
The present invention relates to technical field of data transmission, in particular a kind of usb file transfer control method based on mobile terminal and system。
Background technology
After mobile terminal is connected with computer, by USB, the file in mobile terminal is copied in computer as roach function usually。In prior art, file is to pass through USB transmission one by one to computer, and the memory space taken in mobile terminal due to each file is not continuous print, after namely a file transfers, it is necessary to re-addresses second file and then transmits again；Actual measurement when multiple files are passed through USB transmission to computer by mobile terminal can find, after transferring a file, USB transmission speed moment becomes 0, when then starting to transmit next file, transfer rate starts to increase to maximum from 0 again always, even, some files just transferred before reaching transfer rate maximum due to too little。
Visible, it is discontinuous feature that the usb file transmission of prior art is limited to each file in the address of storage, cannot keep when many files are transferred to computer by USB by mobile terminal being transmitted at full speed, cause transfer rate low。
Therefore, prior art has yet to be improved and developed。
Summary of the invention
The technical problem to be solved in the present invention is in that, drawbacks described above for prior art, a kind of usb file transfer control method based on mobile terminal and system are provided, the present invention can be implemented in mobile terminal when many files being transferred to computer by USB, keep being transmitted continuously and at full speed, improve transfer rate low, provide users with the convenient。
This invention address that the technical scheme that technical problem adopts is as follows:
A kind of usb file transfer control method based on mobile terminal, wherein, including:
A, when mobile terminal receives the instruction to computer transmission file, the random access memory of mobile terminal is opened up one piece of continuous print space；The summation of the All Files size being sized to needs transmission in this block continuous print space；
The file needing transmission is copied to one by one in the RAM space opened up by B, mobile terminal from read only memory；
C, by the data that are copied in the RAM space opened up by USB transmission to computer。
The described usb file transfer control method based on mobile terminal, wherein, described step B, specifically include following steps:
B1, in read only memory ROM, obtain the initial address of All Files needing transmission and file size；
B2, successively will need transmission file copy to continuously in the random access memory ram space opened up。
The described usb file transfer control method based on mobile terminal, wherein, described in described step B2 copies to continuously and refer to these files in the ram space opened up is that one continuous print of a next-door neighbour copies in RAM。
The described usb file transfer control method based on mobile terminal, wherein, described step C, specifically include following steps:
C01, the computer data in the RAM opened up connected to the USB other end by USB transmission, it is for transmit one by one by byte。
The described usb file transfer control method based on mobile terminal, wherein, also includes between described step B and step C:
When described step B performs a scheduled time, control to perform step C。
A kind of usb file transmission control system based on mobile terminal, wherein, including:
Processing module is opened up in space, for when mobile terminal receives the instruction to computer transmission file, controlling to open up one piece of continuous print space in the random access memory of mobile terminal；The summation of the All Files size being sized to needs transmission in this block continuous print space；
Copy controls module, is copied to one by one in the RAM space opened up by the file needing transmission for controlling mobile terminal from read only memory；
Transmission control module, the data for being copied in the RAM space opened up pass through USB transmission to computer。
The described usb file transmission control system based on mobile terminal, wherein, copy controls module and includes:
Acquiring unit, for obtaining the initial address of the All Files needing transmission in read only memory ROM, and file size；
Copy control unit, for copying to the file needing transmission continuously in the random access memory ram space opened up successively。
The described usb file transmission control system based on mobile terminal, wherein, copy controls module and also includes:
Continuous control unit, being used for the file that need to copy is that one continuous print of a next-door neighbour copies in RAM。
The described usb file transmission control system based on mobile terminal, wherein, transmission control module includes:
First transmission control unit, for the computer data in the RAM opened up connected to the USB other end by USB transmission, it is for transmit one by one by byte。
The described usb file transmission control system based on mobile terminal, wherein, transmission control module also includes:
Delays time to control unit, for the file needing transmission being copied to one by one in the RAM space opened up from read only memory when described mobile terminal, when performing a scheduled time, control the data being copied in the RAM space opened up are passed through USB transmission to computer。
Usb file transfer control method based on mobile terminal provided by the present invention and system, owing to have employed when mobile terminal receives the instruction to computer transmission file, open up one piece of continuous print space in the random access memory of mobile terminal；The summation of the All Files size being sized to needs transmission in this block continuous print space；The file needing transmission is copied to one by one in the RAM space opened up by mobile terminal from read only memory；The data being copied in the RAM space opened up are passed through USB transmission to computer。The present invention can be implemented in mobile terminal when many files being transferred to computer by USB, keeps continuously and is transmitted at full speed, improve transfer rate low, provide users with the convenient。
Accompanying drawing explanation
Fig. 1 is the present invention flow chart based on the preferred embodiment of the usb file transfer control method of mobile terminal。
Fig. 2 is the present invention flow chart based on the concrete Application Example of the usb file transfer control method of mobile terminal。
Fig. 3 is the present invention file acquisition structural representation based on the preferred embodiment of the usb file transfer control method of mobile terminal。
Fig. 4 is the present invention functional schematic block diagram based on the preferred embodiment of the usb file transmission control system of mobile terminal。
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment。Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention。
Referring to Fig. 1, Fig. 1 is the present invention flow chart based on the preferred embodiment of the usb file transfer control method of mobile terminal。As it is shown in figure 1, the described usb file transfer control method based on mobile terminal, comprise the following steps:
Step S100, when mobile terminal receives the instruction to computer transmission file, the RAM of mobile terminal opens up one piece of continuous print space；The summation of the All Files size being sized to needs transmission in this block continuous print space；
RAM, random access memory, during the embodiment of the present invention, when needing the file of mobile terminal is transferred to computer, open up one piece of continuous print space in the RAM of mobile terminal；The summation of the All Files size being sized to needs transmission in this block continuous print space。
The file needing transmission is copied to one by one in the ram space opened up by step S200, mobile terminal from ROM；
ROM is read only memory, and after power-off, information is not lost, and RAM is random access memory. zero access。
Wherein, described step S200, specifically include following steps:
B01, in ROM, obtain the initial address of All Files needing transmission and file size；
B02, the file of transmission will be needed to copy in the ram space opened up in step S100 continuously successively, so-called copy that to refer to these files in the ram space opened up in step S100 be that one continuous print of a next-door neighbour copies in RAM continuously to。
Step S300, by the data that are copied in the ram space opened up by USB transmission to computer。
Such as, the computer data in the RAM opened up in step S100 connected to the USB other end by USB transmission, it is for transmit one by one by byte；
Such as, will transmitting three files, these three file initial address in ROM and file size are respectively as follows:
First file: initial address 0x10000000, file size 80k byte；
Second file: initial address 0x120C0000, file size 800k byte；
3rd file: initial address 0x1E000000, file size 60k byte；
Then in the step s 100, according to these three file size summation 80k byte+800k byte+60k byte=940k byte, RAM opens up the continuous space of one piece of 940k byte-sized, it is assumed that in RAM, the initial address in this part space is 0x60000000。
It is 0x60000000 place that 80k byte data after being specifically 0x10000000 by address in ROM in step s 200 copies initial address in RAM to, 800k byte data after being 0x120C0000 by address in ROM more afterwards copies 0x60000000+80k place to, and the 60k byte data after being 0x1E000000 by address in ROM more afterwards copies 0x60000000+80k+800k place to。
Step S300 specifically initial address in RAM is 0x60000000 after the computer that connected to the other end by USB transmission of 940k byte。
Described step S200, step S300, because copy is to perform speed by internal bus to transmit far above the file in step S300 very soon in step S200；Therefore, step S200 is only needed to first carry out a shorter described scheduled time (it is preferred that the described scheduled time is 1 second) than step S300；Though namely perform step S200 after mono-second step S200 whether be finished and all start to perform step S300；
Wherein, described RAM is random access memory, is also the high-speed memory that power down is volatile, it is also possible to be DDRRAM etc.；
Wherein, described ROM is read only memory, is also the memorizer that power down is not volatile, it is also possible to be FLASH etc.。
In order to make the purpose of the present invention, technical scheme and effect clearly, clearly, below by way of embodiment more specifically, the present invention is described in more detail:
As in figure 2 it is shown, a kind of usb file transfer control method of this concrete Application Example comprises the following steps:
Step S1, detect that user requires over USB transmission file to computer；
Step S2, acquisition need the All Files of transmission initial address in ROM and file size, and these information are inserted in table shown in Fig. 3；
Step S3, open up in RAM memory a continuous print memory space for file transmit；
The summation that in the RAM opened up, in the be sized in Fig. 2 form the 3rd row of continuous print memory space, the addition of All Files size obtains；
Step S4, will need transmission file copy to continuously one by one in the space opened up in RAM；
These files are copied in the space opened up in RAM by i.e. fileinfo in table according to Fig. 3 one by one continuously one by one from ROM。Wherein, from ROM, one file of copy to the method for RAM is: obtaining this document initial address in ROM100 and file size from table shown in Fig. 3, the data of this document size started by the initial address in ROM100 are copied in RAM200。
Step S5, wait one second；Afterwards the data in the monoblock continuous print space opened up in RAM are sent。
Based on above-described embodiment, present invention also offers a kind of usb file transmission control system based on mobile terminal, as shown in Figure 4, described system includes:
Processing module 410 is opened up in space, for when mobile terminal receives the instruction to computer transmission file, controlling to open up one piece of continuous print space in the random access memory of mobile terminal；The summation of the All Files size being sized to needs transmission in this block continuous print space；As detailed above。
Copy controls module 420, is copied to one by one in the RAM space opened up by the file needing transmission for controlling mobile terminal from read only memory；As detailed above。
Transmission control module 430, the data for being copied in the RAM space opened up pass through USB transmission to computer；As detailed above。
Further, the described usb file transmission control system based on mobile terminal, wherein, copy controls module and includes:
Acquiring unit, for obtaining the initial address of the All Files needing transmission in read only memory ROM, and file size；As detailed above。
Copy control unit, for copying to the file needing transmission continuously in the random access memory ram space opened up successively；As detailed above。
The described usb file transmission control system based on mobile terminal, wherein, copy controls module and also includes:
Continuous control unit, being used for the file that need to copy is that one continuous print of a next-door neighbour copies in RAM；As detailed above。
The described usb file transmission control system based on mobile terminal, wherein, transmission control module includes:
First transmission control unit, for the computer data in the RAM opened up connected to the USB other end by USB transmission, it is for transmit one by one by byte；As detailed above。
The described usb file transmission control system based on mobile terminal, wherein, transmission control module also includes:
Delays time to control unit, for the file needing transmission being copied to one by one in the RAM space opened up from read only memory when described mobile terminal, when performing a scheduled time, control the data being copied in the RAM space opened up are passed through USB transmission to computer；As detailed above。
In sum, the usb file transfer control method based on mobile terminal provided by the present invention and system, owing to have employed when mobile terminal receives the instruction to computer transmission file, the random access memory of mobile terminal is opened up one piece of continuous print space；The summation of the All Files size being sized to needs transmission in this block continuous print space；The file needing transmission is copied to one by one in the RAM space opened up by mobile terminal from read only memory；The data being copied in the RAM space opened up are passed through USB transmission to computer。The present invention can be implemented in mobile terminal when many files being transferred to computer by USB, keeps continuously and is transmitted at full speed, improve transfer rate low, provide users with the convenient。
Certainly, one of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can be by computer program and carry out instruction related hardware (such as processor, controller etc.) complete, described program can be stored in the storage medium of an embodied on computer readable, and this program can include upon execution such as the flow process of above-mentioned each side method embodiment。Wherein said storage medium can be memorizer, magnetic disc, CD etc.。
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, it is possible to improved according to the above description or convert, all these improve and convert the protection domain that all should belong to claims of the present invention。
Claims (10)
1. the usb file transfer control method based on mobile terminal, it is characterised in that including:
A, when mobile terminal receives the instruction to computer transmission file, the random access memory of mobile terminal is opened up one piece of continuous print space；The summation of the All Files size being sized to needs transmission in this block continuous print space；
The file needing transmission is copied to one by one in the RAM space opened up by B, mobile terminal from read only memory；
C, by the data that are copied in the RAM space opened up by USB transmission to computer。
2., according to claim 1 based on the usb file transfer control method of mobile terminal, it is characterised in that described step B, specifically include following steps:
B1, in read only memory ROM, obtain the initial address of All Files needing transmission and file size；
B2, successively will need transmission file copy to continuously in the random access memory ram space opened up。
3. according to claim 1 based on the usb file transfer control method of mobile terminal, it is characterised in that described in described step B2 copies to continuously and refer to these files in the ram space opened up is that one continuous print of a next-door neighbour copies in RAM。
4., according to claim 1 based on the usb file transfer control method of mobile terminal, it is characterised in that described step C, specifically include following steps:
C01, the computer data in the RAM opened up connected to the USB other end by USB transmission, it is for transmit one by one by byte。
5. according to claim 1 based on the usb file transfer control method of mobile terminal, it is characterised in that also include between described step B and step C:
When described step B performs a scheduled time, control to perform step C。
6. the usb file transmission control system based on mobile terminal, it is characterised in that including:
Processing module is opened up in space, for when mobile terminal receives the instruction to computer transmission file, controlling to open up one piece of continuous print space in the random access memory of mobile terminal；The summation of the All Files size being sized to needs transmission in this block continuous print space；
Copy controls module, is copied to one by one in the RAM space opened up by the file needing transmission for controlling mobile terminal from read only memory；
Transmission control module, the data for being copied in the RAM space opened up pass through USB transmission to computer。
7. according to claim 6 based on the usb file transmission control system of mobile terminal, it is characterised in that copy controls module and includes:
Acquiring unit, for obtaining the initial address of the All Files needing transmission in read only memory ROM, and file size；
Copy control unit, for copying to the file needing transmission continuously in the random access memory ram space opened up successively。
8. according to claim 6 based on the usb file transmission control system of mobile terminal, it is characterised in that copy controls module and also includes:
Continuous control unit, being used for the file that need to copy is that one continuous print of a next-door neighbour copies in RAM。
9. according to claim 6 based on the usb file transmission control system of mobile terminal, it is characterised in that transmission control module includes:
First transmission control unit, for the computer data in the RAM opened up connected to the USB other end by USB transmission, it is for transmit one by one by byte。
10. according to claim 6 based on the usb file transmission control system of mobile terminal, it is characterised in that transmission control module also includes:
Delays time to control unit, for the file needing transmission being copied to one by one in the RAM space opened up from read only memory when described mobile terminal, when performing a scheduled time, control the data being copied in the RAM space opened up are passed through USB transmission to computer。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103434.3A CN105701059A (en) | 2016-02-25 | 2016-02-25 | USB file transmission control method and system based on mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103434.3A CN105701059A (en) | 2016-02-25 | 2016-02-25 | USB file transmission control method and system based on mobile terminal |
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| CN105701059A true CN105701059A (en) | 2016-06-22 |
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| CN201610103434.3A Pending CN105701059A (en) | 2016-02-25 | 2016-02-25 | USB file transmission control method and system based on mobile terminal |
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Cited By (1)
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| CN107391423A (en) * | 2017-07-26 | 2017-11-24 | Tcl移动通信科技（宁波）有限公司 | Method, storage medium and the mobile terminal of file are transmitted by OTG functions |
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Application publication date: 20160622 |