CN104952342A - Embedded experimental device - Google Patents
Embedded experimental device Download PDFInfo
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- CN104952342A CN104952342A CN201510442245.4A CN201510442245A CN104952342A CN 104952342 A CN104952342 A CN 104952342A CN 201510442245 A CN201510442245 A CN 201510442245A CN 104952342 A CN104952342 A CN 104952342A
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- core board
- debugging
- experiment device
- embedded system
- power supply
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
- G09B23/186—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits for digital electronics; for computers, e.g. microprocessors
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Abstract
The invention discloses an embedded experimental device which comprises an S3C2416 core board, a basic module, a debugging interface, a power supply selection circuit and an extension unit, wherein the S3C2416 core board is a minimum system of a Samsung S3C2416 processor; the debugging interface is a debugging and communication channel between a PC and an experiment board; the basic module comprises eight submodules of a flowing water light, a traffic light, a nixie tube, a keyboard, an LED dot matrix, an LCD display, an A/D converter and a stepping motor. When the embedded experimental device is in operation, the PC is used for writing a program in a core board storage through the debugging interface, an experimenter connects corresponding pin signals of the core board to the basic module or the extension unit to complete experiment and debugging. The embedded experimental device has the advantages of being simple in design, convenient in use, capable of realizing on-line programming, and flexible in power supply manner.
Description
Technical field
The present invention relates to the experiment of a kind of embedded technology study developing and embedding formula system course teaching field, particularly a kind of Embedded System Experiment device.
Background technology
Embedded system is the computer system that post-PC era is widely used.In the instrument contacted in daily life, study and work or equipment, the embedded computer system with powerful control ability and computing power can be embedded.It is not only widely used in mature domain, as Industry Control, household electrical appliance, communication facilities, the network equipment, medicine equipment and military installation etc., and also derived many application newly, as PDA, smart mobile phone, MP4 player, motion controller and wireless router etc. along with the development of embedded system.Can predict, embedded system is progressively expanded along with the continuous progress of technology, usable range, plays larger effect by more field.
Embedded system has a wide range of applications, but embedded technology study and exploitation are not but part nothing the matters, and it is wide that it relates to ken, and practicality is strong.A lot of colleges and universities have offered embedded system correlated curriculum now, for improving teaching efficiency and student's development ability, need a set of embedded system experiment device.If Embedded System Experiment device adopts the mode directly bought to be equipped with, one is costly, needs larger input, and two is that embedded technology is maked rapid progress, chip updates than very fast, makes directly to buy complete Embedded System Experiment device and is difficult to adapt teaching and project development needs.
Summary of the invention
For the deficiencies in the prior art, technical matters to be solved by this invention is to provide a kind of Embedded System Experiment device.
For solving the problems of the technologies described above, this adopts following technical scheme:
A kind of Embedded System Experiment device, it comprises: S3C2416 core board, basic module, debugging interface, power selection circuit, expanding element; During experimental provision work, PC is by debugging interface by the middle of program burn writing to core board storer, and experimenter core board respective pins signal is connected to basic module or expanding element can complete experiment and debugging.
Preferably, described S3C2416 core board is Samsung S3C2416 processor minimum system, and it comprises a slice S3C2416 processor, clock circuit, memory expansion circuit, separate power supply, Starting mode configuration circuit, and I/O port draws circuit etc.
Preferably, described debugging interface is debugging between PC and brassboard and communication channel, comprises a JTAC debugging interface, a USB interface, two UART serial ports.
Preferably, described basic module comprises running lamp, traffic lights, charactron, keyboard, LED dot matrix, LCD display, A/D conversion and stepper motor eight submodules.
Preferably, described power selection circuit function is the power supply mode of choice experiment device, namely USB port power or external power supply power in one.
Technique scheme has following beneficial effect: this Embedded System Experiment device has simplicity of design, easy to use, can online programming, the advantages such as power supply mode is flexible.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 is the present embodiment structural representation.
Embodiment
Describe in detail below in conjunction with the preferred embodiment of accompanying drawing to this.
As shown in Figure 1, the invention discloses a kind of Embedded System Experiment device, it comprises: S3C2416 core board, basic module, debugging interface, power selection circuit, expanding element.Described S3C2416 core board is Samsung S3C2416 processor minimum system; Described debugging interface is debugging between PC and brassboard and communication channel; Described basic module comprises running lamp, traffic lights, charactron, keyboard, LED dot matrix, LCD display, A/D conversion and stepper motor eight submodules.During experimental provision work, PC is by debugging interface by the middle of program burn writing to core board storer, and experimenter core board respective pins signal is connected to basic module or expanding element can complete experiment and debugging.This experimental provision has simplicity of design, easy to use, can online programming, the advantages such as power supply mode is flexible.
Experimental system power supply has two kinds of selections, and one is directly powered by PC USB port, and another mode is that external direct current power supply is powered, and selects any power supply mode to be determined by power selection circuit.Power selection circuit is a two-way selector switch, selects between two kinds of feed circuit.Meet the condition of requirement of experiment at USB port power supply parameter under, general selection USB power supply mode, uses very convenient, as long as be connected with experimental provision can be carried out all experiments by USB data line by PC at which experimental provision.
Experimental provision basic experiment module comprises running lamp, traffic lights, charactron, keyboard, LED dot matrix, LCD display, A/D conversion and stepper motor eight submodules.Each module integration degree is lower, connects, the versatility of putting with the creativeness and actual load that improve student except introducing power supply and requisite line without other circuit.Running lamp module provides one group of LED and current-limiting resistance.Traffic lights module provides four groups of green LED of reddish yellow and is positioned over appropriate location, and this module can also use with charactron block combiner.Charactron module provides one group of charactron, can carry out charactron static state display and Dynamic Announce experiment.Keysheet module provides 16 buttons and by 4 × 4 form arrangements, can carry out query formulation keyboard and the experiment of array keyboard.LED dot array module provides 16 × 16 dot matrix and corresponding parallel-serial conversion chip, can carry out LED Chinese and English display experiment.LCD display module provides LCD1602 liquid crystal display and corresponding driving circuit, can carry out LCD display experiment.A/D modular converter provides serial multi-channel high-speed A/D conversion chip TLC2543, can carry out A/D transition experiment.Stepper motor module provides stepper motor and respective drive circuit, can carry out About Stepping Motor Control Experiment.
Expanding element functional module add the extensibility enhancing experimental provision, make experimental provision can carry out basic module do not design and along with technology development be badly in need of research experiment.Expanding element is a slice high-quality bread board, is fixed on brassboard during installation by screw bolt and nut.Expanding element is by the wrapper sheet of experiment required components and parts placed side when using, complete internal circuit line by the mode of plug wire, then the I/O pin of main control unit single-chip microcomputer is connected to bread board, complete whole circuit connection, download, can experimental study be carried out.
Above a kind of Embedded System Experiment device that the embodiment of the present invention provides is described in detail; for one of ordinary skill in the art; according to the thought of the embodiment of the present invention; all will change in specific embodiments and applications; in sum; this description should not be construed as the restriction to invention, and all any changes made according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (5)
1. an Embedded System Experiment device, it comprises: S3C2416 core board, basic module, debugging interface, power selection circuit, expanding element; During experimental provision work, PC is by debugging interface by the middle of program burn writing to core board storer, and experimenter core board respective pins signal is connected to basic module or expanding element can complete experiment and debugging.
2. a kind of Embedded System Experiment device according to claim 1, it is characterized in that, described S3C2416 core board is Samsung S3C2416 processor minimum system, it comprises a slice S3C2416 processor, clock circuit, memory expansion circuit, separate power supply, Starting mode configuration circuit, I/O port draws circuit etc.
3. a kind of Embedded System Experiment device according to claim 1, is characterized in that, described debugging interface is debugging between PC and brassboard and communication channel, comprises a JTAG debugging interface, a USB interface, two UART serial ports.
4. a kind of Embedded System Experiment device according to claim 1, is characterized in that, described basic module comprises running lamp, traffic lights, charactron, keyboard, LED dot matrix, LCD display, A/D conversion and stepper motor eight submodules.
5. a kind of Embedded System Experiment device according to claim 1, is characterized in that, described power selection circuit function is the power supply mode of choice experiment device, namely USB port power or external power supply power in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442245.4A CN104952342A (en) | 2015-07-24 | 2015-07-24 | Embedded experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442245.4A CN104952342A (en) | 2015-07-24 | 2015-07-24 | Embedded experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104952342A true CN104952342A (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510442245.4A Pending CN104952342A (en) | 2015-07-24 | 2015-07-24 | Embedded experimental device |
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| CN (1) | CN104952342A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637311A (en) * | 2019-01-10 | 2019-04-16 | 长江大学 | A kind of Teaching Digital Circuit Practical training equipment |
-
2015
- 2015-07-24 CN CN201510442245.4A patent/CN104952342A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637311A (en) * | 2019-01-10 | 2019-04-16 | 长江大学 | A kind of Teaching Digital Circuit Practical training equipment |
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Application publication date: 20150930 |