CN104572513B - A kind of TF card and its implementation without driving with Bluetooth function - Google Patents
A kind of TF card and its implementation without driving with Bluetooth function Download PDFInfo
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- CN104572513B CN104572513B CN201510004870.0A CN201510004870A CN104572513B CN 104572513 B CN104572513 B CN 104572513B CN 201510004870 A CN201510004870 A CN 201510004870A CN 104572513 B CN104572513 B CN 104572513B
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- card
- control command
- bluetooth module
- bluetooth
- read
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- 238000000034 method Methods 0.000 claims description 16
- 241001062009 Indigofera Species 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 18
- 238000004891 communication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
-
- H04B5/72—
Abstract
A kind of TF card and its implementation that Bluetooth function is realized without driving provided by the present invention, by the way that pair multiplexing commands accessed with bluetooth module will be revised as to the control command being written and read of TF card storage region data in TF card controller；When receiving the order for accessing bluetooth module, the access that then TF card controller can directly to bluetooth module, therefore when operating system needs to conduct interviews to the bluetooth module of TF card, without increasing new driving in addition, while adding the function of TF card, the cost of TF card design and manufacture is simplified.
Description
Technical field
The present invention relates to field of information communication, more particularly to it is a kind of without TF card of the driving with Bluetooth function and its
Implementation method.
Background technology
In the prior art, access of the TF card driver of operating system to TF card is usually logical
Cross TFIO interfaces and send TF CMD to realize the access to memory cell, be most often following four order：
Single sector（Sector）Read：CMD17；
Multiple sector（Sector）Read：CMD18；
Single sector（Sector）Write：CMD24；
Multiple sector（Sector）Write：CMD25；
This four orders can one parameter of band.Sector no (sector numbers）.Instruction is which sector is carried out to memory cell
The operation read or write.
Generally, will increase again if realize and to access that to TF COMBO bluetooth module
Add new CMD.But ordered without such inside the driver of standard, that, which means that, to remake
TF driver, it is also desirable to reinstall this driving on an operating system.That can thus be bothered very much.
Therefore, prior art is improved up for further.
The content of the invention
In view of above-mentioned weak point of the prior art, a kind of real without driving it is an object of the invention to provide the user
The method and system of bluetooth module are now accessed, to solve when prior art conducts interviews to bluetooth module, it is necessary to remake TF
Driver, and need that the driver is installed on an operating system, caused by cost of manufacture it is high, operation inconvenience etc. is asked
Topic.
The technical proposal for solving the technical problem of the invention is as follows：
A kind of TF card that Bluetooth function is realized without driving, wherein, including：TF card controller, TF card storage region, IO connect
Mouth and the bluetooth module being connected with described I/O interface；
When TF card receives the order of operating system access bluetooth module, then TF card controller is to TF card storage region
Digital independent control command is converted to the control command to be conducted interviews to bluetooth module.
The TF card that Bluetooth function is realized without driving, wherein, order modified module is also included in the TF card；
The order modified module, for TF card controller to be read the data of reserve sector in TF card storage region
The control command write is revised as the control command to be conducted interviews to bluetooth module.
The TF card that Bluetooth function is realized without driving, wherein, in the order modified module：
The control command CMD17 and CMD24 of the reserve sector of TF card first will be respectively modified as in the TF card controller
The multiplexing commands being written and read to bluetooth module, and the control in the TF card controller to the reserve sector of TF card second is ordered
CMD17 and CMD24 is made to be respectively modified as the order of parameter configuration during to bluetooth module progress reading and writing data.
A kind of implementation method of the TF card that Bluetooth function is realized without driving, wherein, including：
A, the control command being written and read in TF card controller to data in TF card storage region is revised as to indigo plant in advance
The multiplexing control command that tooth module conducts interviews；
B, when receiving the order of operating system access bluetooth module, then TF card controller in TF card storage region to reading
The control command of access evidence is converted to the multiplexing control command to be conducted interviews to bluetooth module.
The implementation method of the TF card that Bluetooth function is realized without driving, wherein, the control life changed in the step A
Make and be：The control command that TF card controller is written and read to the data of reserve sector in TF card storage region.
The implementation method of the TF card that Bluetooth function is realized without driving, wherein, the control life changed in the step A
Make and be：The CMD17 that is read to single sector and write operation CMD24 is carried out to single sector.
The implementation method of the TF card that Bluetooth function is realized without driving, wherein, also include in the step A：
The control command CMD17 and CMD24 of the reserve sector of TF card first will be respectively modified as in the TF card controller
The multiplexing commands being written and read to bluetooth module, and the control in the TF card controller to the reserve sector of TF card second is ordered
CMD17 and CMD24 is made to be respectively modified as the order of parameter configuration during to bluetooth module progress reading and writing data.
A kind of beneficial effect, TF card and its implementation that Bluetooth function is realized without driving provided by the present invention, leads to
Crossing will be revised as pair accessing with bluetooth module in TF card controller to the control commands being written and read of TF card storage region data
Multiplexing commands；When receiving the order for accessing bluetooth module, then TF card controller can directly to bluetooth module access,
Therefore when operating system needs to conduct interviews to the bluetooth module of TF card, without increasing new driving in addition, TF card is added
Function while, simplify TF card design and manufacture cost.
Brief description of the drawings
Fig. 1 is the structural representation of TF card of the present invention.
Fig. 2 is the implementation method flow chart of steps of TF card of the present invention.
Embodiment
To make the objects, technical solutions and advantages of the present invention clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings
The present invention is further described.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and do not have to
It is of the invention in limiting.
Based on the above method, present invention also offers a kind of TF card that Bluetooth function is realized without driving, such as Fig. 1
Shown, system's TF card 1 includes：
TF card controller 13, TF card storage region 14, I/O interface 12 and the bluetooth mould being connected with described I/O interface 12
Block 11；
When TF card 1 receives the order of operating system access bluetooth module 11, then TF card controller 13 stores to TF card
The digital independent control command in region 14 is converted to the control command to be conducted interviews to bluetooth module 11, so as to realize that TF card has
Bluetooth function.
Also include order modified module in the TF card；
The order modified module, for TF card controller to be read the data of reserve sector in TF card storage region
The control command write is revised as the control command to be conducted interviews to bluetooth module.
The memory of TF card is organized into a series of sectors.Each sector is 512 bytes.And to memory in TF card
Access is all in units of sector.For example if you wish to the content inside TF card is read out, that must be a sector
Read out, be exactly in units of 512 words, for example your file only has a byte, also to read 512 bytes and come out.Correspond to just
It is that two orders of CMD17 and CMD18 are sent to TF controllers, content is accordingly write toward TF card it is necessary to be sent out toward TFIO controllers
CMD24 and CMD25.
By being modified to above-mentioned control command in the present invention, by reserve sector in the above-mentioned storage region to TF card
Data are written and read order and are revised as visit order to bluetooth module.
In the specific implementation, the data of reserve sector in TF card storage region file system are carried out using TF card controller
The control command of read-write is modified.
Because the control command being written and read to the data of reserve sector in file system is modified, normally make in file
Used time, read-write will not be fallen on above this reserve sector, therefore only need application layer to initiate to the two on an operating system
Sector direct access can has access to corresponding peripheral hardware.Because respective drive has mutual exclusion function, file system is not influenceed
External memroy is accessed simultaneously, can thus reach the purpose using bluetooth module and memory while following one's bent.
In operation, it is preferred that by the CMD17 that is specifically read to single sector and single sector can be write
Operation CMD24 is modified, and the two orders are revised as accessing to the control command of bluetooth module.
In the modified module in advance：
The control command CMD17 and CMD24 of the reserve sector of TF card first will be respectively modified as in the TF card controller
The multiplexing commands being written and read to bluetooth module, and the control in the TF card controller to the reserve sector of SD card second is ordered
CMD17 and CMD24 is made to be respectively modified as the order of parameter configuration during to bluetooth module progress reading and writing data.
Such as：The method of the invention, by the way that some reserve sector no.A of the TF card memory is defined as into data
Sector.When master control sends CMD17 and CMD24 to SD card controller to this reserve sector no.A, resolve to bluetooth module
Data exchange.
Some reserve sector no.B of the TF card memory is defined as parameter sector.When master control to TF card controller to
When this reserve sector no.B sends CMD17 and CMD24, the parameter configuration communicated to bluetooth module is resolved to, such as with
The communication modes of I/O device, with the communication speed of I/O device etc..
Due to TF card, MINI TF cards, micro TF (TF) cards all meet TF specification.So institute of the present invention
Method and system to be stated to be adapted to all three to block and use TF specification card, the I/O interface can be RS232,
SPI, IC and USB etc..
On the basis of above-mentioned TF card, present invention also offers a kind of realization for the TF card that Bluetooth function is realized without driving
Method, as shown in Fig. 2 including：
S1, the control command being written and read in TF card controller to data in TF card storage region is revised as to indigo plant in advance
The multiplexing control command that tooth module conducts interviews.
S2, when receiving the order of operating system access bluetooth module, then TF card controller is to TF card storage region
Control command is converted to the control command to be conducted interviews to bluetooth module.
After the completion of protocol conversion in above-mentioned steps S1, then when operating system needs progress bluetooth module to conduct interviews,
By can be realized by original to TF card controller to the control command of TF card storage region.
Specifically, in step sl, by the TF card controller to the control command CMD17 of the reserve sector of TF card first
Be respectively modified as the multiplexing commands that are written and read to bluetooth module with CMD24, and by the TF card controller to TF card
The control command CMD17 and CMD24 of two reserve sectors are respectively modified as carrying out bluetooth module parameter configuration during reading and writing data
Order.
It is provided by the present invention it is a kind of realize the TF card and its implementation of Bluetooth function without driving, by by TF card control
The visit order pair with bluetooth module is revised as in device processed to the control commands being written and read of TF card storage region data；When connecing
When receiving the order for accessing bluetooth module, then TF card controller can directly to bluetooth module access, therefore in operating system
When needing to conduct interviews to the bluetooth module of TF card, during using its Bluetooth function, without increasing new driving in addition, TF is added
While the function of card, the cost of TF card design and manufacture is simplified.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (5)
- A kind of 1. TF card that Bluetooth function is realized without driving, it is characterised in that including：TF card controller, TF card storage region, I/O interface and the bluetooth module being connected with the I/O interface；When TF card receives the order of operating system access bluetooth module, then data of the TF card controller to TF card storage region Read control command and be converted to the control command to be conducted interviews to bluetooth module;Also include order modified module in the TF card；The order modified module, for be written and read TF card controller to the data of reserve sector in TF card storage region Control command is revised as the control command to be conducted interviews to bluetooth module;In the order modified module：The control command CMD17 and CMD24 of the reserve sector of TF card first will be respectively modified as to indigo plant in the TF card controller The multiplexing commands that tooth module is written and read, and by the TF card controller to the control command of the reserve sector of TF card second CMD17 and CMD24 is respectively modified as the order of parameter configuration during to bluetooth module progress reading and writing data.
- A kind of 2. implementation method for the TF card for realizing Bluetooth function without driving as described in the appended claim 1, it is characterised in that bag Include：A, the control command being written and read in TF card controller to data in TF card storage region is revised as to bluetooth mould in advance The multiplexing control command that block conducts interviews；B, when receiving the order of operating system access bluetooth module, then TF card controller in TF card storage region to reading number According to control command be converted to the control command that is conducted interviews to bluetooth module.
- 3. the implementation method of the TF card of Bluetooth function is realized without driving according to claim 2, it is characterised in that the step The control command changed in rapid A is：The control that TF card controller is written and read to the data of reserve sector in TF card storage region Order.
- 4. the implementation method of the TF card of Bluetooth function is realized without driving according to claim 3, it is characterised in that the step The control command changed in rapid A is：The CMD17 that is read to single sector and write operation is carried out to single sector CMD24。
- 5. the implementation method of the TF card of Bluetooth function is realized without driving according to claim 4, it is characterised in that the step Also include in rapid A：The control command CMD17 and CMD24 of the reserve sector of TF card first will be respectively modified as to indigo plant in the TF card controller The multiplexing commands that tooth module is written and read, and by the TF card controller to the control command of the reserve sector of TF card second CMD17 and CMD24 is respectively modified as the order of parameter configuration during to bluetooth module progress reading and writing data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004870.0A CN104572513B (en) | 2015-01-07 | 2015-01-07 | A kind of TF card and its implementation without driving with Bluetooth function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004870.0A CN104572513B (en) | 2015-01-07 | 2015-01-07 | A kind of TF card and its implementation without driving with Bluetooth function |
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| Publication Number | Publication Date |
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| CN104572513A CN104572513A (en) | 2015-04-29 |
| CN104572513B true CN104572513B (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510004870.0A Active CN104572513B (en) | 2015-01-07 | 2015-01-07 | A kind of TF card and its implementation without driving with Bluetooth function |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110163020B (en) * | 2019-04-25 | 2022-07-19 | 杭州电子科技大学 | Sensor data read-write device and read-write method thereof |
| CN111124962B (en) * | 2019-11-13 | 2021-06-29 | 苏州浪潮智能科技有限公司 | TF (Transflash) card slot multiplexing method and system based on server PCH (physical channel) and BMC (baseboard management controller) |
| CN111988065A (en) * | 2020-08-25 | 2020-11-24 | 重庆百瑞互联电子技术有限公司 | Drive-free USB device, method, storage medium and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746662Y (en) * | 2004-10-19 | 2005-12-14 | 蔚蓝科技股份有限公司 | Duplex radio transmission storage device |
| CN102945216A (en) * | 2004-02-27 | 2013-02-27 | 深圳市朗科科技股份有限公司 | Device and method for saving wireless data |
| CN103942171A (en) * | 2014-04-04 | 2014-07-23 | 广东翼卡车联网服务有限公司 | TF card with communication function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8219046B2 (en) * | 2009-06-03 | 2012-07-10 | Broadcom Corporation | Method and system for obtaining maximum gain of a passive upconversion mixer utilized in a transmitter |
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2015
- 2015-01-07 CN CN201510004870.0A patent/CN104572513B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102945216A (en) * | 2004-02-27 | 2013-02-27 | 深圳市朗科科技股份有限公司 | Device and method for saving wireless data |
| CN2746662Y (en) * | 2004-10-19 | 2005-12-14 | 蔚蓝科技股份有限公司 | Duplex radio transmission storage device |
| CN103942171A (en) * | 2014-04-04 | 2014-07-23 | 广东翼卡车联网服务有限公司 | TF card with communication function |
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| CN104572513A (en) | 2015-04-29 |
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Address after: 528100 F3 (F3), C District, southwest garden of Sanshui center science and Technology Industrial Park, Foshan, Guangdong Applicant after: Guangdong Ecar Telematics Service Co.,Ltd. Address before: 528100, No. 2, inner ring road, 1 North East Sea Road, Sanshui East Road, Sanshui District, Guangdong, Foshan 203, 204 Applicant before: Guangdong Ecar Telematics Service Co.,Ltd. |
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