CN206849005U - A kind of strong USB industry USB flash disk system of autgmentability - Google Patents
A kind of strong USB industry USB flash disk system of autgmentability Download PDFInfo
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- CN206849005U CN206849005U CN201720524493.8U CN201720524493U CN206849005U CN 206849005 U CN206849005 U CN 206849005U CN 201720524493 U CN201720524493 U CN 201720524493U CN 206849005 U CN206849005 U CN 206849005U
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Abstract
The utility model discloses a kind of strong USB industry USB flash disk system of autgmentability, including central controller, USB device, input module, display module.The utility model can not depart from the limitation that PC uses for present USB flash disk, the many embedded systems of industry spot do not provide USB interface and file system operation function, this module realizes operation of the existing embedded system to USB flash disk using PIC32StarterKits II by RS232 interface, includes write-in, reading and the establishment of file directory and the deletion etc. of data file.The utility model can be directly embedded into custom system, it is not necessary to understand usb protocol, it is simple to operate, at the same can compatible high capacity U disc, capacity is big.
Description
Technical field
The utility model belongs to memory area, more particularly to the USB industry USB flash disk system that a kind of autgmentability is strong.
Background technology
With the continuous development of automatic technology, various embedded controllers obtain increasingly extensive application.
Some traditional input-output equipment are substituted by new Large Copacity, intelligentized input-output equipment.USB flash disk is held with it
Amount is big, small volume, cheap many merits become newest movable storage device.Current USB flash disk on a personal computer
Instead of traditional floppy disk turns into widely used mobile memory medium.Industry spot is typically necessary data acquisition unit
Complete Various types of data acquisition tasks.In many practical applications, often require that data acquisition unit has reliable operation, cost low
The features such as honest and clean, simple to operate, data are easy to collect and computer is analyzed.If it can be realized in Embedded data acquisition system
Usb host function, then embedding data collector just can easily and flexibly be set as PC using this kind of USB storages of USB flash disk
It is standby to carry out data storage.But USB flash disk is as other USB devices, is by pci bus and the data/address bus phase inside PC
Connect, realize the transmission of data, so will be unable to realize the data-gathering process to USB flash disk in some relatively simple microcontrollers
The analysis of complicated and computer can not realize establishment and the deletion action of write-in, reading and file directory.
Utility model content
The purpose of this utility model is to provide a kind of autgmentability strong USB industry USB flash disk system, it is intended to solves USB flash disk system
The problem of data procedures complexity is collected in some relatively simple microcontrollers and can not carry out computer analysis, realizes simultaneously
Write-in to USB flash disk system data file, reading and the function of the establishment of file directory and deletion.
The technical solution of the utility model is as follows：
A kind of strong USB industry USB flash disk system of autgmentability, including：It is central controller module, USB device, display module, defeated
Enter module, embedded system；The central controller is connected to embedded system, the central controller module by Serial Port Line
USB device is connected to by RS232 buses, the input of the output end connection display module of the central controller module is embedding
The input of embedded system and USB input, the output end of the input connection input module of the central controller module,
The output end of embedded system and USB output end.
It can further be adopted according to the strong USB industry USB flash disk system of autgmentability described in the utility model, the central controller
By the use of PIC32StarterKits II as host computer system, and MAX3232ECWE chips are used, design supply voltage arrives for 3.3V
5V, the central controller form the hardware systems of whole system；MAX3232ECWE used by the central controller module
Electric capacity C20 is connected between chip pin 1,3；Electric capacity C22 is connected between pin 4,5；Pin 2 is connected to electric capacity C21 one end, institute
State electric capacity C21 other end ground connection；Pin 6 is connected to electric capacity C23 one end, the electric capacity C23 other ends ground connection；Pin 15 connects
Ground；Pin 16 meets voltage VCC33；Pin 11,12 is respectively data sending terminal TXD0, data receiver RXD0, is connected respectively to
The input RXD of the display module, output end TXD；Pin 10,9 is respectively data sending terminal TXD1, data input pin
RXD1, it is connected to the input module input k_R, output end k_D；The respectively RS232 data input pins RX_1 of pin 8,14,
RS232 data output ends TX_0 is connected to the output end of the USB device and enters end；Pin 7,13 is respectively that RS232 data are defeated
Go out to hold TX_1, RS232 data input pin RX_0 to be connected to the embedded system.
Further used according to the strong USB industry USB flash disk system of autgmentability described in the utility model, the display module
LCD1802 display screens and STC89c51RC2 chips, driving of the STC89c51RC2 chips as the LCD1802 display screens
Chip；STC89c51RC2 chip pins 1~9 are connected respectively to the 1~9 of LCD1802 display screens used by the display module
Pin, pin 10,11 are respectively the pin that data input pin RXD, data output end TXD are connected to the central controller module
11st, 12, pin 12 inputs+5V voltages, and pin 13 connects resistance R44, the resistance R44 other ends ground connection；The display module
Used STC89c51RC2 chip pins 14 are connected to resistance R42, and the resistance R42 other ends connect pin 15, connected simultaneously
Electric capacity C43 is met, the electric capacity C43 other ends are connected to pin 18, and pin 16 connects resistance R43, the resistance R43 connections electric capacity
C44, the electric capacity C44 are connected to pin 17, and pin 19 connects resistance R46, the resistance R46 connection electric capacity C41, the electric capacity
The C41 other ends are grounded, and pin 19 connects resistance R41, the resistance R41 other ends connection electric capacity C42, the electric capacity C42 simultaneously
The other end is grounded, and pin 20 connects electric capacity C45, the electric capacity C45 other ends ground connection；Used by the display module
The pin 10 of LCD1802 display screens inputs+5V voltages, and pin 11 connects resistance R45, the resistance R45 other ends ground connection.
Further used according to the strong USB industry USB flash disk system of autgmentability described in the utility model, the input module
CH452 chips are as keyboard drive chip；CH452 chip pins 1~4 are connected to keyboard point used by the input module
Battle array；Pin 6 inputs+5V voltages；Pin 5 is connected to electric capacity C51, the electric capacity C51 other ends ground connection；Pin 7,8 is respectively defeated
Enter to hold k_R and output end k_D to be connected to the pin 10,9 of the central controller；The pin 9 of CH452 chips connects resistance R51,
The resistance R51 other ends connection electric capacity C52, the electric capacity C52 other ends ground connection；Pin 10 connects resistance R52, the resistance
The R52 other ends are grounded；Pin 11 connects electric capacity C50, and the electric capacity C50 other ends are connected to pin 12；Pin 13 connects resistance
R53, one end of the resistance R53 other ends connection electric capacity C54, the electric capacity C54 other ends connect resistance R54, the resistance
The R54 other ends are connected to pin 14；Pin 15 connects electric capacity C53, the electric capacity C53 other ends ground connection.
Compared with present technology, its advantage is the utility model：
1. the utility model can be directly embedded into custom system, it is not necessary to understand usb protocol, it is simple to operate.
2. the utility model can compatible high capacity U disc, capacity is big.
3. the utility model can support USB2.0 interface protocols, autgmentability is strong.
4. the utility model can support a variety of RS232 serial port baud rates：115200/9600bps etc., it is applied widely.
5. the utility model can directly create all kinds such as Word, Excel, binary system, file, which is easy to calculate, to be analyzed.
Brief description of the drawings
Fig. 1 is system architecture diagram of the present utility model；
Fig. 2 is central controller schematic diagram used by the utility model；
Fig. 3 is display module schematic diagram used by the utility model；
Fig. 4 is input module schematic diagram used by the utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing, to this reality
It is further elaborated with new.It should be appreciated that specific embodiment described herein is only to explain the utility model,
It is not used to limit the utility model.
System architecture diagram used by the utility model is as shown in figure 1, including central controller module, USB device, display
Module, input module, embedded system is tested test system in figure.
System block diagram central controller of the present utility model is connected to embedded system, the center control by Serial Port Line
Device module is connected to USB device, the input of the output end connection display module of the central controller module by RS232 buses
End, the input of embedded system and USB input, the input of the central controller module connect the defeated of input module
Go out end, the output end of embedded system and USB output end.
Central controller module schematic diagram used by the utility model is as shown in Fig. 2 the central controller can use
PIC32StarterKits II is used as host computer system, and uses MAX3232ECWE chips, and design supply voltage is 3.3V to 5V,
The central controller forms the hardware systems of whole system.MAX3232ECWE cores used by the central controller module
Electric capacity C20 is connected between piece pin 1,3；Electric capacity C22 is connected between pin 4,5；Pin 2 is connected to electric capacity C21 one end, described
Electric capacity C21 other end ground connection；Pin 6 is connected to electric capacity C23 one end, the electric capacity C23 other ends ground connection；Pin 15 connects
Ground；Pin 16 meets voltage VCC33；Pin 11,12 is respectively data sending terminal TXD0, data receiver RXD0, is connected respectively to
The input RXD of the display module, output end TXD；Pin 10,9 is respectively data sending terminal TXD1, data input pin
RXD1, it is connected to the input module input k_R, output end k_D；The respectively RS232 data input pins RX_1 of pin 8,14,
RS232 data output ends TX_0 is connected to the output end of the USB device and enters end；Pin 7,13 is respectively that RS232 data are defeated
Go out to hold TX_1, RS232 data input pin RX_0 to be connected to the embedded system.
Display module schematic diagram used by the utility model, as shown in figure 3, using LCD1802 display screens and
STC89c51RC2 chips；Driving chip of the STC89c51RC2 chips as the LCD1802 display screens.
STC89c51RC2 chip pins 1~9 are connected respectively to the 1 of LCD1802 display screens used by the display module
~9 pins；
STC89c51RC2 chip pins 10,11 are respectively data input pin RXD, data used by the display module
Output end TXD is connected to the pin 11,12 of the central controller module；
STC89c51RC2 chip pins 12 input+5V voltages used by the display module；Pin 13 connects resistance
R44, the resistance R44 other ends ground connection.
It is another to be connected to resistance R42, the resistance R42 for STC89c51RC2 chip pins 14 used by the display module
One end connects pin 15；Electric capacity C43 is connected simultaneously, the electric capacity C43 other ends are connected to pin 18；Pin 16 connects resistance
R43, the resistance R43 connection electric capacity C44, the electric capacity C44 are connected to pin 17；Pin 19 connects resistance R46, the resistance
R46 connection electric capacity C41, the electric capacity C41 other ends ground connection, pin 19 connect resistance R41, the resistance R41 other ends simultaneously
Connect electric capacity C42, the electric capacity C42 other ends ground connection；Pin 20 connects electric capacity C45, the electric capacity C45 other ends ground connection.
The pin 10 of LCD1802 display screens inputs+5V voltages used by the display module；Pin 11 connects resistance
R45, the resistance R45 other ends ground connection.
Input module schematic diagram used by the utility model, as shown in figure 4, using CH452 chips as keyboard drive
Chip.
CH452 chip pins 1~4 are connected to keyboard dot matrix used by the input module；Pin 6 inputs+5V voltages；
Pin 5 is connected to electric capacity C51, the electric capacity C51 other ends ground connection；Pin 7,8 is respectively that input k_R and output end k_D connects
It is connected to the pin 10,9 of the central controller；The pin 9 of CH452 chips connects resistance R51, and the resistance R51 other ends connect
Connect electric capacity C52, the electric capacity C52 other ends ground connection；Pin 10 connects resistance R52, the resistance R52 other ends ground connection；Pin
11 connection electric capacity C50, the electric capacity C50 other ends are connected to pin 12；It is another that pin 13 connects resistance R53, the resistance R53
End connection electric capacity C54 one end, the electric capacity C54 other ends connect resistance R54, and the resistance R54 other ends are connected to pin
14；Pin 15 connects electric capacity C53, the electric capacity C53 other ends ground connection.
Central controller module in the utility model is the core of whole system, for controlling embedded system to be referred to
Order transmission and data transfer.Data and instruction are put into buffer by the central controller, are sent to after compiled device compiling
RS232 EBIs, complete the operation such as opening, newly-built, deletion file；The display module completes display function；The input
Module completes instruction input function.
In actual applications, USB device can select the USB flash disk of disposable type used by the utility model.
It the above is only and preferred embodiment of the present utility model is described, not by technical side of the present utility model
Case limited to this, any known deformation that those skilled in the art are made on the basis of major technique of the present utility model design all belong to
In the claimed technology category of the utility model, the specific protection domain of the utility model is recited as with claims
It is accurate.
Claims (4)
- A kind of 1. strong USB industry USB flash disk system of autgmentability, it is characterised in that including：Central controller module, USB device, show Show module, input module, embedded system；The central controller is connected to embedded system, the center by Serial Port Line Controller module is connected to USB device by RS232 buses, the output end connection display module of the central controller module Input, the input of embedded system and USB input, the input connection input module of the central controller module Output end, the output end of embedded system and USB output end.
- 2. the strong USB industry USB flash disk system of autgmentability according to claim 1, the central controller can use PIC32StarterKits II is used as host computer system, and uses MAX3232ECWE chips, and design supply voltage is 3.3V to 5V, The central controller forms the hardware systems of whole system；MAX3232ECWE cores used by the central controller module Electric capacity C20 is connected between piece pin 1,3；Electric capacity C22 is connected between pin 4,5；Pin 2 is connected to electric capacity C21 one end, described Electric capacity C21 other end ground connection；Pin 6 is connected to electric capacity C23 one end, the electric capacity C23 other ends ground connection；Pin 15 connects Ground；Pin 16 meets voltage VCC33；Pin 11,12 is respectively data sending terminal TXD0, data receiver RXD0, is connected respectively to The input RXD of the display module, output end TXD；Pin 10,9 is respectively data sending terminal TXD1, data input pin RXD1, it is connected to the input module input k_R, output end k_D；The respectively RS232 data input pins RX_1 of pin 8,14, RS232 data output ends TX_0 is connected to the output end of the USB device and enters end；Pin 7,13 is respectively that RS232 data are defeated Go out to hold TX_1, RS232 data input pin RX_0 to be connected to the embedded system.
- 3. the strong USB industry USB flash disk system of autgmentability according to claim 1, the display module are shown using LCD1802 Screen and STC89c51RC2 chips, driving chip of the STC89c51RC2 chips as the LCD1802 display screens；It is described aobvious Show that STC89c51RC2 chip pins 1~9 used by module are connected respectively to 1~9 pin of LCD1802 display screens, pin 10th, 11 be respectively that data input pin RXD, data output end TXD are connected to the pin 11,12 of the central controller module, is drawn Pin 12 inputs+5V voltages, and pin 13 connects resistance R44, the resistance R44 other ends ground connection；Used by the display module STC89c51RC2 chip pins 14 are connected to resistance R42, and the resistance R42 other ends connect pin 15, while connect electric capacity C43, the electric capacity C43 other ends are connected to pin 18, and pin 16 connects resistance R43, the resistance R43 connections electric capacity C44, institute State electric capacity C44 and be connected to pin 17, it is another that pin 19 connects resistance R46, the resistance R46 connection electric capacity C41, the electric capacity C41 One end is grounded, and pin 19 connects resistance R41 simultaneously, and the resistance R41 other ends connect electric capacity C42, the electric capacity C42 other ends Ground connection, pin 20 connect electric capacity C45, the electric capacity C45 other ends ground connection；LCD1802 is shown used by the display module The pin 10 of screen inputs+5V voltages, and pin 11 connects resistance R45, the resistance R45 other ends ground connection.
- 4. the strong USB industry USB flash disk system of autgmentability according to claim 1, the input module is made using CH452 chips For keyboard drive chip；CH452 chip pins 1~4 are connected to keyboard dot matrix used by the input module；Pin 6 inputs+ 5V voltages；Pin 5 is connected to electric capacity C51, the electric capacity C51 other ends ground connection；Pin 7,8 is respectively input k_R and output End k_D is connected to the pin 10,9 of the central controller；It is another that the pin 9 of CH452 chips connects resistance R51, the resistance R51 One end connection electric capacity C52, the electric capacity C52 other ends ground connection；Pin 10 connects resistance R52, another terminations of resistance R52 Ground；Pin 11 connects electric capacity C50, and the electric capacity C50 other ends are connected to pin 12；Pin 13 connects resistance R53, the resistance R53 other ends connection electric capacity C54 one end, the electric capacity C54 other ends connection resistance R54, the resistance R54 other ends connection To pin 14；Pin 15 connects electric capacity C53, the electric capacity C53 other ends ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720524493.8U CN206849005U (en) | 2017-05-12 | 2017-05-12 | A kind of strong USB industry USB flash disk system of autgmentability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720524493.8U CN206849005U (en) | 2017-05-12 | 2017-05-12 | A kind of strong USB industry USB flash disk system of autgmentability |
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| Publication Number | Publication Date |
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| CN206849005U true CN206849005U (en) | 2018-01-05 |
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| CN201720524493.8U Active CN206849005U (en) | 2017-05-12 | 2017-05-12 | A kind of strong USB industry USB flash disk system of autgmentability |
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