CN110286855A - A kind of devices and methods therefor of the automatic assorted cold dishes of multiple TF cards - Google Patents
A kind of devices and methods therefor of the automatic assorted cold dishes of multiple TF cards Download PDFInfo
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- CN110286855A CN110286855A CN201910515147.7A CN201910515147A CN110286855A CN 110286855 A CN110286855 A CN 110286855A CN 201910515147 A CN201910515147 A CN 201910515147A CN 110286855 A CN110286855 A CN 110286855A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 21
- 230000006870 function Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000012790 confirmation Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000013500 data storage Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer 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
- G06F13/38—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
- G06F13/4286—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using a handshaking protocol, e.g. RS232C link
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
- G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
-
- 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
- G06F3/0629—Configuration or reconfiguration of storage systems
-
- 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
-
- 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
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0683—Plurality of storage devices
-
- 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)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Storage Device Security (AREA)
Abstract
The invention discloses a kind of multiple automatic assorted cold dishes devices and methods therefors of TF card, are related to memory management technology field, are characterized in that: including USB power supply module, MCU processing module and Serial Port Information output module;USB power supply module is used for TF card and each module for power supply for low-voltage;MCU processing module includes microcontroller chip, 4 groups of UART interfaces, enciphering algorithm module, multiple groups TF card controller, USB master/slave, the program that MCU processing module passes through write-in in microcontroller chip, automatic compatible identification capacity is carried out to the TF card of peripheral hardware on multiple groups TF card controller and assorted cold dishes operate, expand TF card capacity for several times, USB master/slave with other equipment for connecting and being automatically recognized as a disk;Enciphering algorithm module is used to carry out data write-protect operation to disk;Serial Port Information module writes number for reading and writing the slotting of disk sector.Memory size at double, which increases, to be realized to the equipment limited with memory interface.
Description
Technical field
The present invention relates to memory management technology fields, more specifically, it relates to a kind of dress of the automatic assorted cold dishes of multiple TF cards
It sets and its method.
Background technique
Currently, electronic data preservation is highly important content in the industry, for storage unit it is often desirable to store list
Member is the bigger the better, and the electronic data amount that can be preserved is more.It stores equipment (such as memory module), as trustship NAND is stored
Module is used in combination with different types of " host " equipment, including mobile telephone equipment (such as smart phone), tablet device, complete
Ball positioning system (GPS) equipment, electronic book equipment, apparatus for media playing etc..The example for storing equipment includes secure digital (SD)
Card, embedded multi-media card (eMMC), Common Flash Memory (UFS), solid state hard disk (SSD) module etc..Equipment storage is stored by being coupled
To the data that use of host equipment of storage equipment, including operating system code, application program and user data (such as number of pictures
According to, video data etc.).In addition, storage equipment also stores the other kinds of number used by host equipment or storage equipment itself
According to, including metadata and configuration data.
As the increase of host equipment function and user create more user data (such as application journey downloaded
Sequence, image, message etc.), storage equipment needs to store more data.Therefore, accurately reflect the memory capacity of storage equipment
Host equipment user and storage equipment itself (for example, realization optimum performance) are just particularly important with other features.Example
Such as, user may need the storage equipment that can store 64GB to replace the storage equipment of a storage 16GB.
Many data storage devices are all using TF card as storage medium on the market, and individual equipment may be only equipped with single
TF card card slot is limited by single TF card memory capacity in this way, when certain scenes needed using the data storage of large capacity,
It will be unable to satisfy the use demand.
And modify after extension to device storage capacity, the data information based on inaccuracy and mistake, storage equipment can
Can not write data into is more than the address for storing equipment actual density, alternatively, when data write-in is more than that storage equipment is actually close
When the address of degree, which has the possibility of damage.
Based on the above-mentioned market demand and technology barrier, need one kind can automatic identification TF capacity carry out dilatation, and have both number
According to the device of writing protection function.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of device of automatic assorted cold dishes of multiple TF cards
And its method, it sets automatically and the TF card for combining different capabilities is a disk, expand the capacity of existing data storage, and
The data of preservation have writing protection function.
To realize the above-mentioned technical purpose, the present invention provides the following technical scheme that a kind of automatic assorted cold dishes device of multiple TF cards,
Including USB power supply module, MCU processing module and Serial Port Information output module;
The USB power supply module is used for TF card and each module for power supply for low-voltage;
The MCU processing module include microcontroller chip, 4 groups of UART interfaces, enciphering algorithm module, multiple groups TF card controller,
USB master/slave,
The MCU processing module is by the interior program being written of microcontroller chip, to the TF card of peripheral hardware on multiple groups TF card controller
It carries out automatic compatible identification capacity and assorted cold dishes operates, expand TF card capacity for several times,
The USB master/slave with other equipment for connecting and being automatically recognized as a disk;
The enciphering algorithm module is used to carry out data write-protect operation to disk;
The Serial Port Information module writes number for reading and writing the slotting of disk sector.
Preferably, the MCU processing module further includes shaking hands to confirm function.
Preferably, the microcontroller chip uses 32 RISC reduced instruction set computer microcontrollers of model CH567
Device.
Preferably, external-connected port and external phase of the Serial Port Information output module by serial line interface conversion chip
Even, the slotting of disk can be read by the specific order of the tool software such as serial ports assistant hair and writes number
Preferably, the USB power supply module includes the first Voltage stabilizing module and the second Voltage stabilizing module, the voltage that USB port provides
It exports through the first Voltage stabilizing module to each module and is powered, the voltage through the first Voltage stabilizing module pressure stabilizing is exported through the second Voltage stabilizing module
To TF card.
Preferably, first Voltage stabilizing module includes switch LM1117-3V3 and correlation filtering capacitor, described second is steady
Die block includes switch CE6219V18 and correlation filtering capacitor.
A kind of automatic assorted cold dishes method of multiple TF cards is also disclosed, described method includes following steps:
S1 issues datarams and establishes request;
S2 responds the datarams received and establishes request, checks and determine multiple datarams objects, identify in each group of data
Deposit amount of capacity and classification;
S3, compatible different classes of datarams search respective drive differing data memory classification for identification;
S4 detects the memory use state information of each group of data memory object, exports use state information;
The nodal information of S5, identification each group of data memory object calculate optimal combination of nodes mode according to nodal information;
S6 splices the node of each group of data memory object according to optimal combination of nodes mode;
S7 exports new data memory, distributes new data memory with global address, exports new data memory use state information.
Preferably, the S7 further includes establishing confirmation operation of shaking hands, and behaviour can be successfully written and read to new data memory by shaking hands
Make, does not shake hands and be successfully only read.
Preferably, after the completion of the confirmation operation of shaking hands, record the slotting of new data memory writes number.
In conclusion the present invention achieve it is following the utility model has the advantages that
1, pass through the connection type of single USB port and bridge multiple TF cards, be inserted directly into and set and combine not automatically after computer
TF card with capacity is a disk, and the expansion TF card of several times uses capacity, and has writing protection function, solves previous one
USB port can only bridge the application method of a TF card, and device is practical, and being embodied in layman can directly operate;
2, the RAM card that bridge joint finishes increases confirmation of shaking hands, and carries out write-protect to the data that inside saves;
3, can the slotting of disk that finishes of programming count bridge joint write number, meet the use demand of different places.
Detailed description of the invention
Fig. 1 is the structural block diagram of the present embodiment;
Fig. 2 is the circuit diagram that the present embodiment is used to show USB power supply module;
Fig. 3 is the circuit diagram that the present embodiment is used to show microcontroller chip CH567;
Fig. 4 is the circuit diagram that the present embodiment is used to show the GPIO of MCU processing module, multiplexing and mapping function;
Fig. 5 is the circuit diagram that the present embodiment is used to show 4 groups of TF card controllers;
Fig. 6 is the present embodiment for showing the circuit diagram that UART interface is connect with USB.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment: a kind of multiple automatic assorted cold dishes devices of TF card, as shown in Figure 1 and Figure 2, including USB power supply module, MCU processing
Module and the big module of Serial Port Information output module three.MCU processing module includes microcontroller chip, 4 groups of UART interfaces, encryption
Algoritic module, multiple groups TF card controller, USB master/slave.
As shown in Figure 1, the interface using USB-Type-a is connect with computer, the interface and model of USB-Type-a
The microcontroller chip of CH567 is connected, and microcontroller chip CH567 is high performance 32 RISC reduced instruction set computer micro-control
Device processed, highest dominant frequency is up to 120MHz, built-in 192KB FLASH flash memory, 32KB SRAM and 32KB DataFlash.MCU
On piece integrates two groups of independent 2.0 master/slaves of high speed USB, meets the needs of high speed data transfer, microcontroller chip
CH567 has been internally embedded prewritten program, and microcontroller chip CH567 is circumscribed with TF card controller, this reality by 4 groups of UART interfaces
Applying and illustrating example is 4 groups of TF card controllers, and 4 groups of TF card controllers are different by eMMC interface connection brand, content capacity size is each
Different TF card, practical conversion are rendered as the device that single USB port turns multiple TF cards.
As shown in Figures 1 to 5, USB power supply module is used for TF card and each module for power supply for low-voltage, USB power supply module
Including the first Voltage stabilizing module and the second Voltage stabilizing module, the first Voltage stabilizing module includes switch LM1117-3V3 and correlation filtering capacitor,
Second Voltage stabilizing module includes switch CE6219V18 and correlation filtering capacitor.LM1117-3V3 is responsible for the 5V that USB port is provided electricity
It presses pressure stabilizing to 3.3V, gives several module for power supply.CE6219V18 is the module of pressure stabilizing output bit 1.8V, for the TF to low-voltage
Card power supply, compatible power supply is 3.3V and 1.8V, is selected by the wire jumper of J1 for TF card electricity mode.MCU processing module passes through
The program being written in microcontroller chip, bridges the TF card connected on 4 groups of TF card controllers, identification different brands, no
It with the TF card of amount of capacity, and carries out automatic compatible identification capacity and is operated with assorted cold dishes, expand TF card capacity for several times, and pass through
2.0 master/slave of high speed USB with other equipment for connecting and being automatically recognized as a disk.Serial Port Information output module
It is made of the capacitor of MAX3232 serial line interface conversion chip and 4 0.1uf, is communicated with the outside by P5, pass through serial ports assistant
The equal specific order of tool software hair, reads the slotting of disk and writes number, and counted and recorded, advanced optimized structure,
Improve the monitoring property to datarams.
As shown in figure 4, MCU processing module further includes enciphering algorithm module, for carrying out data write-protect operation to disk,
It specifically includes shaking hands for USB form and confirms function, carry out power on operation when, if shake hands confirm successfully if to the memory after bridge joint
It is written and read, shaking hands, it is unsuccessful to confirm, can only be read.
A kind of automatic assorted cold dishes method of multiple TF cards, method include the following steps:
S1 issues datarams and establishes request;
S2 responds the datarams received and establishes request, checks and determine multiple datarams objects, identify in each group of data
Deposit amount of capacity and classification;
S3, compatible different classes of datarams search respective drive differing data memory classification for identification;
S4 detects the memory use state information of each group of data memory object, exports use state information;
The nodal information of S5, identification each group of data memory object calculate optimal combination of nodes mode according to nodal information;
S6 splices the node of each group of data memory object according to optimal combination of nodes mode;
S7 exports new data memory, distributes new data memory with global address, exports new data memory use state information.S7
It further include establishing confirmation operation of shaking hands, can successfully new data memory be written and read by shaking hands, and do not shaken hands and successfully only carried out
Read operation, after the completion of confirmation operation of shaking hands, record the slotting of new data memory writes number.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. a kind of automatic assorted cold dishes device of multiple TF cards, it is characterised in that: including USB power supply module, MCU processing module and serial ports
Message output module;
The USB power supply module is used for TF card and each module for power supply for low-voltage;
The MCU processing module include microcontroller chip, 4 groups of UART interfaces, enciphering algorithm module, multiple groups TF card controller,
USB master/slave,
The MCU processing module is by the interior program being written of microcontroller chip, to the TF card of peripheral hardware on multiple groups TF card controller
It carries out automatic compatible identification capacity and assorted cold dishes operates, expand TF card capacity for several times,
The USB master/slave with other equipment for connecting and being automatically recognized as a disk;
The enciphering algorithm module is used to carry out data write-protect operation to disk;
The Serial Port Information module writes number for reading and writing the slotting of disk sector.
2. a kind of multiple automatic assorted cold dishes devices of TF card according to claim 1, it is characterised in that: the MCU processing module
It further include shaking hands to confirm function.
3. a kind of multiple automatic assorted cold dishes devices of TF card according to claim 1, it is characterised in that: the microcontroller chip is adopted
With 32 RISC reduced instruction set computer microcontrollers of model CH567.
4. a kind of multiple automatic assorted cold dishes devices of TF card according to claim 1, it is characterised in that: the Serial Port Information output
Module is communicated with the outside by the external-connected port of serial line interface conversion chip, sends out specific life by tool software such as serial ports assistants
Order can read the slotting of disk and write number.
5. a kind of multiple automatic assorted cold dishes devices of TF card according to claim 1, it is characterised in that: the USB power supply module
Including the first Voltage stabilizing module and the second Voltage stabilizing module, USB port provide voltage through the first Voltage stabilizing module export to each module into
Row power supply, the voltage through the first Voltage stabilizing module pressure stabilizing are exported through the second Voltage stabilizing module to TF card.
6. a kind of multiple automatic assorted cold dishes devices of TF card according to claim 4, it is characterised in that: first Voltage stabilizing module
Including switch LM1117-3V3 and correlation filtering capacitor, second Voltage stabilizing module includes switch CE6219V18 and correlation filtering
Capacitor.
7. a kind of automatic assorted cold dishes method of multiple TF cards, which is characterized in that described method includes following steps:
S1 issues datarams and establishes request;
S2 responds the datarams received and establishes request, checks and determine multiple datarams objects, identify in each group of data
Deposit amount of capacity and classification;
S3, compatible different classes of datarams search respective drive differing data memory classification for identification;
S4 detects the memory use state information of each group of data memory object, exports use state information;
The nodal information of S5, identification each group of data memory object calculate optimal combination of nodes mode according to nodal information;
S6 splices the node of each group of data memory object according to optimal combination of nodes mode;
S7 exports new data memory, distributes new data memory with global address, exports new data memory use state information.
8. a kind of multiple automatic assorted cold dishes methods of TF card according to claim 7, it is characterised in that: the S7 further includes establishing
It shakes hands confirmation operation, can successfully new data memory be written and read by shaking hands, and do not shaken hands and be successfully only read.
9. a kind of multiple automatic assorted cold dishes methods of TF card according to claim 8, it is characterised in that: the confirmation operation of shaking hands
After the completion, record the slotting of new data memory writes number.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110888679A (en) * | 2019-11-08 | 2020-03-17 | 苏州浪潮智能科技有限公司 | Memory compatibility method, device, equipment and medium |
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CN101404000A (en) * | 2008-01-04 | 2009-04-08 | 深圳市江波龙电子有限公司 | Reading-writing method and device with multi-memory card logic in one |
CN105045725A (en) * | 2015-08-04 | 2015-11-11 | Tcl移动通信科技(宁波)有限公司 | Multi-storage-card storage realization method and system for mobile terminal |
CN105095811A (en) * | 2015-07-20 | 2015-11-25 | 中山火炬职业技术学院 | Memory-card expanding and capacity combining card reader |
CN210776642U (en) * | 2019-06-14 | 2020-06-16 | 江苏都万电子科技有限公司 | Automatic disk splicing device for multiple TF cards |
-
2019
- 2019-06-14 CN CN201910515147.7A patent/CN110286855A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101404000A (en) * | 2008-01-04 | 2009-04-08 | 深圳市江波龙电子有限公司 | Reading-writing method and device with multi-memory card logic in one |
CN105095811A (en) * | 2015-07-20 | 2015-11-25 | 中山火炬职业技术学院 | Memory-card expanding and capacity combining card reader |
CN105045725A (en) * | 2015-08-04 | 2015-11-11 | Tcl移动通信科技(宁波)有限公司 | Multi-storage-card storage realization method and system for mobile terminal |
CN210776642U (en) * | 2019-06-14 | 2020-06-16 | 江苏都万电子科技有限公司 | Automatic disk splicing device for multiple TF cards |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110888679A (en) * | 2019-11-08 | 2020-03-17 | 苏州浪潮智能科技有限公司 | Memory compatibility method, device, equipment and medium |
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