CN205158904U - Data storage treater based on SD card - Google Patents
Data storage treater based on SD card Download PDFInfo
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- CN205158904U CN205158904U CN201520977141.9U CN201520977141U CN205158904U CN 205158904 U CN205158904 U CN 205158904U CN 201520977141 U CN201520977141 U CN 201520977141U CN 205158904 U CN205158904 U CN 205158904U
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- card
- data storage
- chip microcomputer
- processing device
- storage processing
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Abstract
The utility model provides a data storage treater based on SD card, including the SD card, its characterized in that: its still include based on the SPI interface with the SD card carries out the singlechip of synchronous serial data reading and writing, the clock pin CLK1 of SD card, chip selection pin CS, input pin MOSI, output pin MISO respectively with the connection of singlechip. The utility model discloses a data storage treater based on SD card establishs the bottom link in the SPI interface through singlechip and SD card base, can carry out the read and write operations of FATFS aspect to the SD card through the software implementation singlechip on this basis, reaches under peripheral equipment's cooperation the purpose of content in can convenient and fast reading the SD card, and the interface is simple with operating method, easily the realization, simultaneously, the wireless radio frequency interface circuit of increase can realize wireless transmission communication between SD card and the mobile terminal.
Description
Technical field
The utility model belongs to electronic data storage process field, is specifically related to a kind of data storage processing device based on SD card.
Background technology
SD card is a kind of memory device of new generation of based semiconductor fast-flash memory device, have small and exquisitely to be easy to carry, the advantage such as memory capacity is large, dependable performance, be widely used in mancarried device stores data, such as mobile phone, digital camera, personal digital assistant (PDA) and multimedia player etc.Current SD card and the communication of external device often adopt SD pattern, and carry out interface in the actual use procedure of SD card communicated with SD pattern many, and method of operating is complicated; On the other hand, existing SD snaps past part and depends on wired one-way transmission, can not realize the transmission of file, to contact directly easily with mobile terminals such as mobile phones.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of data storage processing device based on SD card, reads and writes driving separately, reads and writes convenient and swift, can carry out wirelessly transmitting data with mobile terminal.
For achieving the above object, the technical solution of the utility model is as follows: a kind of data storage processing device based on SD card, comprise SD card, it is characterized in that: it also comprises the single-chip microcomputer carrying out synchronous serial data read-write based on SPI interface and described SD card, the clock pins CLK1 of described SD card, sheet select pin CS, input pin MOSI, output pin MISO respectively with the connection of described single-chip microcomputer.
In the utility model preferred embodiment, the power pins VDD comprising described SD card further connects the power pins VSS of described single-chip microcomputer by 3.3V voltage stabilizer T.
In the utility model preferred embodiment, the power pins VSS comprising described single-chip microcomputer further also connects the LED light of a ground connection, the minus earth of LED light.
In the utility model preferred embodiment, comprise it further and also comprise wireless radio interface circuit, described Single-chip Controlling connects signal transmitting terminal Tx and the signal receiving end Rx of described wireless radio interface circuit.
In the utility model preferred embodiment, comprise it further and also comprise liquid crystal display, described Single-chip Controlling connects clock pins CLK2 and the data transmission pin Data of described liquid crystal display.
In the utility model preferred embodiment, comprise further in described single-chip microcomputer and there is SPI hardware system.
In the utility model preferred embodiment, the model comprising described single-chip microcomputer is further STM32f103.
The beneficial effects of the utility model are: a kind of data storage processing device based on SD card of the present utility model, bottom link is set up based on SPI interface by single-chip microcomputer and SD card, the read-write operation of FATFS aspect can be carried out on this basis to SD card by software simulating single-chip microcomputer, reaching under the cooperation of peripherals can the object of content in convenient and swift reading SD card, interface and method of operating simply, are easy to realize; Meanwhile, the wireless radio interface circuit of increase, can realize SD card and communicate with wireless transmission between mobile terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model preferred embodiment.
Wherein: 2-SD card, 4-single-chip microcomputer, 6-wireless radio interface circuit, 8-liquid crystal display.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment
As shown in Figure 1, a kind of data storage processing device based on SD card is disclosed in the present embodiment, comprise SD card 2, single-chip microcomputer 4, wireless radio interface circuit 6 and liquid crystal display 8, synchronous serial transport communication is carried out based on SPI interface between SD card 2 and single-chip microcomputer 4, concrete, the clock pins CLK1 of SD card, sheet selects pin CS, input pin MOSI, output pin MISO is connected with single-chip microcomputer 4 by SPI interface, the clock pins CLK1 of the direct control SD card of single-chip microcomputer 4, sheet selects pin CS, input pin MOSI, output pin MISO completes the SPI synchronous serial transmission of data, signal transmitting terminal Tx, the signal receiving end Rx of single-chip microcomputer 4 control linkage wireless radio interface circuit 6, single-chip microcomputer 4 goes back clock pins CLK2 and the data transmission pin Data of control linkage liquid crystal display.
The preferred model of single-chip microcomputer of the present utility model is STM32f103, bottom link is set up based on SPI interface between single-chip microcomputer 4 and SD card 2 during work, the read-write operation of FATFS aspect can be carried out on this basis by software simulating single-chip microcomputer 4 pairs of SD cards 2, single-chip microcomputer 4 generates to the process that the data obtained by SPI interface carry out FATFS aspect the folder file being with catalogue, write is stored in SD card, such as, when data storage processing device of the present utility model is used in the Medical Devices such as sausage filler, single-chip microcomputer 4 is to the temperature obtained, the process that the electronic data such as pressure carry out FATFS aspect generates respectively with temperature, the file of pressure name, generate in file and have .exe, .test file, electronic data is stored in respective file respectively, the file with filename generated writes online based on SPI interface and is stored in SD card 2, single-chip microcomputer 4 can read the interior electronic data stored with file form of SD card 2 based on SPI interface equally, completes synchronous serial transmission.
Meanwhile, single-chip microcomputer 4 controls liquid crystal display 8 and shows data message on SD card 2, and single-chip microcomputer 4 controls the work of wireless radio interface circuit 6, by the data message in SD card 2 based on radio-frequency transmitter to mobile terminal, or from mobile terminal receiving data information.
As further improvement of the utility model, the power pins VDD of described SD card 2 connects the power pins VSS of described single-chip microcomputer 4 by 3.3V voltage stabilizer T, the 5V voltage transitions that single-chip microcomputer 4 power pins VSS exports becomes 3.3V voltage as the power supply driving SD card by 3.3V voltage stabilizer T.
As further improvement of the utility model, the power pins VSS of described single-chip microcomputer 4 also connects the LED light D of a ground connection, the minus earth of LED light D.Show SD card when LED light D is bright normally to run.
As further improvement of the utility model, in described single-chip microcomputer 4, there is SPI hardware system, improve the read-write speed to SD card with this.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. the data storage processing device based on SD card, comprise SD card, it is characterized in that: it also comprises the single-chip microcomputer carrying out synchronous serial data read-write based on SPI interface and described SD card, the clock pins (CLK1) of described SD card, sheet select pin (CS), input pin (MOSI), output pin (MISO) respectively with the connection of described single-chip microcomputer.
2. a kind of data storage processing device based on SD card according to claim 1, is characterized in that: the power pins (VDD) of described SD card connects the power pins (VSS) of described single-chip microcomputer by 3.3V voltage stabilizer (T).
3. a kind of data storage processing device based on SD card according to claim 2, is characterized in that: the power pins (VSS) of described single-chip microcomputer also connects the LED light of a ground connection, the minus earth of LED light.
4. a kind of data storage processing device based on SD card according to claim 1, it is characterized in that: it also comprises wireless radio interface circuit, described Single-chip Controlling connects signal transmitting terminal (Tx) and the signal receiving end (Rx) of described wireless radio interface circuit.
5. a kind of data storage processing device based on SD card according to claim 1, it is characterized in that: it also comprises liquid crystal display, described Single-chip Controlling connects clock pins (CLK2) and data transmission pin (Data) of described liquid crystal display.
6. a kind of data storage processing device based on SD card according to any one of claim 1-5, is characterized in that: have SPI hardware system in described single-chip microcomputer.
7. a kind of data storage processing device based on SD card according to claim 6, is characterized in that: the model of described single-chip microcomputer is STM32f103.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520977141.9U CN205158904U (en) | 2015-12-01 | 2015-12-01 | Data storage treater based on SD card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520977141.9U CN205158904U (en) | 2015-12-01 | 2015-12-01 | Data storage treater based on SD card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205158904U true CN205158904U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520977141.9U Active CN205158904U (en) | 2015-12-01 | 2015-12-01 | Data storage treater based on SD card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205158904U (en) |
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2015
- 2015-12-01 CN CN201520977141.9U patent/CN205158904U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |