CN101499049A - Method for data transfer between memory cards of hand-held electronic equipment - Google Patents
Method for data transfer between memory cards of hand-held electronic equipment Download PDFInfo
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- CN101499049A CN101499049A CNA2008100334100A CN200810033410A CN101499049A CN 101499049 A CN101499049 A CN 101499049A CN A2008100334100 A CNA2008100334100 A CN A2008100334100A CN 200810033410 A CN200810033410 A CN 200810033410A CN 101499049 A CN101499049 A CN 101499049A
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Abstract
The invention provides a new method to transfer data among memory cards for a portable electrical terminal. The invention replaces a drive interface of a Nand Flash with a memory card software interface under an SPI drive interface module. A second memory card is connected with the system in an SPI mode. When the second memory card is inserted to a slot, because the drive interface of the Nand Flash is replaced by the SPI drive interfae and memory card software under the mode, therefore, in device enumeration phrase, the portable device system detects insertion of Nand Flash to identify the memory card 2 as Nand Flash. Active progress of the invention lies in realizing rapid transfer of data content among memory cards when no computer is used as an intermediate device. Related to wireless transmission manner for example Bluetooth, it has advantages in transmission speed.
Description
Technical field
The present invention relates to the method that data shift between a kind of memory cards of hand-held electronic equipment, belong to mobile terminal device technical fields such as mobile phone.
Background technology
Under the present hand-held platform, the transfer of content that leaves in the storage card is arrived other place, for example transfers to another storage card, following dual mode is arranged usually:
One, pass through wireless transmission: infrared etc. as bluetooth, shortcoming is the limitation that is subjected to the space, need both sides' equipment can support wireless transmission on function, and speed is relatively slow.
Two, connecting computer by the USB line, is that intermediate equipment is carried out copying data with the computer, and shortcoming is to carry the usb data line, and does not have computer support in many instances.
The more common of two storage card slots arranged on the handheld terminal that has at present, can allow two storage cards to be operated in simultaneously under two kinds of different patterns, but, also lack simple and easy to do scheme when the user needs to leave in wherein transfer of content in the storage card time another storage card.
Summary of the invention
The objective of the invention is to overcome the limitation of prior art, shifting for the handheld terminal data provides the method that data shift between a kind of storage card, especially have under the situation of two storage card slots at hand-hold electronic equipments, the method that can remedy prior art to a certain extent is in quick defective aspect convenient.
The technical scheme that the present invention takes is: hand-hold electronic equipments comprises two or more storage card slots, after storage card is put into slot, storage card one is connected employing SD (Secure Digital) pattern to be connected with MCU, with storage card two and MCU ((Micro Controller Unit, microprocessor) adopts SPI (Serial Peripheral Interface, serial peripheral interface) pattern connects, with a Nand Flash (the NOT AND Flash in the alternative hand-hold electronic equipments of SPI interface drive program, a kind of nonvolatile flash memory technology) interface drive program, the MCU of hand-hold electronic equipments is identified as Nand Flash with the storage card two that inserts.
When using method of the present invention, the driving interface of a Nand Flash in the hand-hold electronic equipments is replaced with the storage card software interface that is operated under the SPI driving interface pattern; Storage card one is operated under the SD pattern, can carry out normal exchanges data with main frame, when storage card two inserts slot, the interface of storage card two is connected with handheld device by the storage card software interface under SPI driving interface and the pattern thereof with the SPI pattern, because the driving interface of described Nand Flash is replaced by the storage card software interface under SPI driving interface and the pattern thereof, therefore in the device enumeration stage, handhold device system can detect Nand Flash and store the card insertion, stores card thereby storage card two is identified as Nand Flash.
Application process of the present invention specifically comprises the steps:
Step 1, storage card one and storage card two put into the storage card slot of hand-hold electronic equipments respectively;
Step 2, in the file management option, enter storage card one, choose the file or folder that need to shift, select to duplicate option;
The destination that step 3, select File or file duplicate is a storage card two, finishes and duplicates,
Finish duplicate after, storage card two can be used on the handheld device of need using.
Positive progressive effect of the present invention is, adopts method of the present invention, and can be implemented in does not have under the prerequisite of computer as intermediate equipment, realizes storing the quick transfer of data content between the card.The present invention is compared to wireless transmission methods such as bluetooth, and then transmission speed has more advantage, more saves cost.
Description of drawings
Fig. 1 is that the present invention will be left transfer of content in the storage card in to the operation steps of another storage card.
Fig. 2 is the connecting bus figure that the SD pattern adopts 6 ray modes.
Fig. 3 is the connecting bus figure that the SPI pattern adopts 4 ray modes.
The high-low level synoptic diagram of Fig. 4 signal wire when to be storage card of the present invention by the SPI pattern connect.
The high-low level synoptic diagram of Fig. 5 sheet choosing and data transmission when to be storage card of the present invention by the SPI pattern connect.
Fig. 6 is the simple and easy connection diagram of hand-hold electronic equipments and two storage cards.
Fig. 7 is the interface connection status synoptic diagram of hand-hold electronic equipments and two storage cards.
Embodiment
The technical scheme that the present invention takes is: storage card one is connected with MCU adopts the SD pattern to connect, adopt the SPI pattern to be connected with MCU storage card two, with a Nand Flash interface drive program in the alternative hand-hold electronic equipments of SPI interface drive program.Storage card one is operated under the SD pattern, can carry out normal exchanges data with main frame, when storage card two inserts slot, the interface of storage card two is connected with handheld device by the storage card software interface under SPI driving interface and the pattern thereof with the SPI pattern, because the driving interface of described Nand Flash is replaced by the storage card software interface under SPI driving interface and the pattern thereof, therefore in the device enumeration stage, handhold device system can detect Nand Flash and store the card insertion, stores card thereby storage card two is identified as Nand Flash.Said memory card adopts the T-Flash storage card.
As shown in Figure 1, application process of the present invention specifically comprises the steps:
Step 1, storage card one and storage card two put into the storage card slot of hand-hold electronic equipments respectively;
Step 2, in the file management option, enter storage card one, choose the file or folder that need to shift, select to duplicate option;
The destination that step 3, select File or file duplicate is a storage card two, finishes and duplicates,
Step 4, storage card two is used on the handheld device of need using.
The storage card of the hand-held platform of the support double memory cards that has is at present supported two kinds of mode of operations: SD pattern and SPI pattern.
As shown in Figure 2, the MTK platform supports that storage card is operated under the SD pattern at present: the SD pattern adopts the connecting bus (signal wire, order wire and four single data transmission lines) of 6 lines.
As shown in Figure 3, the SPI pattern adopts the connecting bus of four lines, is operated in the storage card under the SPI pattern, links to each other with main frame by four main interfaces, is respectively signal wire (CLK), and chip select line (CS) and two data lines (DATAIN, DATAOUT).
Signal wire is used to be provided with storage card and enters battery saving mode, is used for the data stream on the control data line simultaneously.
Chip select line is used for the storage card duty is made as the SPI pattern, and the data sync under the SPI pattern also is to finish by chip select line simultaneously.
Data between main frame and the storage card (comprising CRC) transmission is finished by data line.
Figure 4 shows that putting height and putting the high-low level synoptic diagram that hangs down analog signal line by GPIO (General Programmable Input Output, general programmable input/output port).
As shown in Figure 5, hang down simulated data " 1 " and data " 0 " with putting, reach the purpose of the data transmission of choosing of simulation sheet and data line by putting of GPIO is high.
As shown in Figure 6, realize fast data exchange for making between two storage cards, need two storage cards to work simultaneously, main frame can write data another storage card from a storage card reading of data time simultaneously.
Owing to have only a storage card software interface on the software, therefore for two storage cards can be worked simultaneously, method of the present invention is that the software interface of a Nand Flash of prior art is replaced with the storage card software interface that is operated under the SPI pattern, like this from the angle of main frame, a Nand Flash and a storage card have been inserted in the system, and in fact, be that two storage cards have inserted slot simultaneously, so just reached two purposes that storage card is worked simultaneously.
As shown in Figure 7, storage card 1 is operated under the normal SD pattern, can carry out normal exchanges data with main frame.
Storage card 2 links to each other with system with the SPI pattern, when storage card 2 inserts slot, because the driving interface of NandFlash is replaced by the storage card software interface under SPI driving interface and the pattern thereof, therefore in the device enumeration stage, system can detect Nand Flash and insert, thereby storage card 2 is identified as Nand Flash.
In the reading and writing data stage of reality, the mutual copy of two storage cards is realized in the following manner: main frame is at first from storage card 1 reading of data, the data that read are write Nand Flash simultaneously by main frame, and there is not Nand Flash on the actual hardware, the read-write of Nand Flash such as is wiped at operation-interface also have been replaced by the storage card software interface under SPI driving interface and the pattern thereof, therefore, to writing of Nand Flash, be actually writing to storage card 2; Can realize storage card 2 is arrived in the content replication of storage card 1 with this.
Claims (6)
1, the method that data shift between a kind of memory cards of hand-held electronic equipment, described hand-hold electronic equipments comprises two or more storage card slots, it is characterized in that: after storage card is put into slot, storage card one adopts the SD pattern to be connected with the MCU of hand-hold electronic equipments, storage card two adopts the SPI pattern to be connected with the MCU of hand-hold electronic equipments, with the NandFlash interface drive program in the alternative hand-hold electronic equipments of SPI interface drive program, the MCU of hand-hold electronic equipments is identified as NandFlash with the storage card two that inserts.
2, the method that data shift between the memory cards of hand-held electronic equipment as claimed in claim 1 is characterized in that, described SPI pattern is for adopting the connecting bus pattern of four lines.
3, the method that data shift between the memory cards of hand-held electronic equipment as claimed in claim 2, it is characterized in that, the connecting bus of described four lines comprises: signal wire, order wire and two single data transmission lines, wherein signal wire is used to be provided with storage card and enters data stream on battery saving mode and the control data line, chip select line is used for the storage card duty is made as SPI pattern and data sync, and data line is used for the data transfer between main frame and the storage card.
4, the method that data shift between the memory cards of hand-held electronic equipment as claimed in claim 1, it is characterized in that, storage card one is operated under the SD pattern, carry out normal exchanges data with main frame, when storage card two inserts slot, storage card two is connected with the MCU of hand-hold electronic equipments by the storage card software interface under SPI driving interface and the pattern thereof with the SPI pattern, and in the device enumeration stage, the hand-hold electronic equipments system is identified as Nand Flash with storage card two.
5, the method that data shift between the memory cards of hand-held electronic equipment as claimed in claim 4 is characterized in that, specifically comprises the steps:
Step 1, storage card one and storage card two put into the storage card slot of hand-hold electronic equipments respectively;
Step 2, in the file management option of hand-hold electronic equipments, enter storage card one, choose the file or folder that need to shift, select to duplicate option;
The destination that step 3, select File or file duplicate is a storage card two, finishes and duplicates.
6, the method that shifts as data between the described memory cards of hand-held electronic equipment of claim 1-5 is characterized in that described storage card is the T-Flash storage card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100334100A CN101499049A (en) | 2008-02-01 | 2008-02-01 | Method for data transfer between memory cards of hand-held electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100334100A CN101499049A (en) | 2008-02-01 | 2008-02-01 | Method for data transfer between memory cards of hand-held electronic equipment |
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| Publication Number | Publication Date |
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| CN101499049A true CN101499049A (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100334100A Pending CN101499049A (en) | 2008-02-01 | 2008-02-01 | Method for data transfer between memory cards of hand-held electronic equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033828A (en) * | 2010-11-24 | 2011-04-27 | 中兴通讯股份有限公司 | Method and system for accessing external card |
| CN102609741A (en) * | 2012-01-31 | 2012-07-25 | 上海艾尚通讯科技有限公司 | Mobile device and method for exchange data between internal and external storage cards |
| CN103389883A (en) * | 2013-07-18 | 2013-11-13 | 上海斐讯数据通信技术有限公司 | Array storage device for handheld equipment and working method of array storage device |
| CN107832645A (en) * | 2017-11-10 | 2018-03-23 | 上海应用技术大学 | A kind of Multifunctional reading card device |
-
2008
- 2008-02-01 CN CNA2008100334100A patent/CN101499049A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033828A (en) * | 2010-11-24 | 2011-04-27 | 中兴通讯股份有限公司 | Method and system for accessing external card |
| WO2012068910A1 (en) * | 2010-11-24 | 2012-05-31 | 中兴通讯股份有限公司 | External card access method and system |
| CN102609741A (en) * | 2012-01-31 | 2012-07-25 | 上海艾尚通讯科技有限公司 | Mobile device and method for exchange data between internal and external storage cards |
| CN102609741B (en) * | 2012-01-31 | 2016-03-09 | 上海艾尚通讯科技有限公司 | A kind of method of exchanges data between mobile device and inside and outside portion storage card thereof |
| CN103389883A (en) * | 2013-07-18 | 2013-11-13 | 上海斐讯数据通信技术有限公司 | Array storage device for handheld equipment and working method of array storage device |
| CN107832645A (en) * | 2017-11-10 | 2018-03-23 | 上海应用技术大学 | A kind of Multifunctional reading card device |
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Application publication date: 20090805 |