CN110310552A - A kind of Integrative Experimental Teaching system based on singlechip experimental board - Google Patents
A kind of Integrative Experimental Teaching system based on singlechip experimental board Download PDFInfo
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- CN110310552A CN110310552A CN201910593261.1A CN201910593261A CN110310552A CN 110310552 A CN110310552 A CN 110310552A CN 201910593261 A CN201910593261 A CN 201910593261A CN 110310552 A CN110310552 A CN 110310552A
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Abstract
The Integrative Experimental Teaching system based on singlechip experimental board that the present invention relates to a kind of, functional module is complete, the experiment being able to achieve is rich and varied, the various entry level experiment in different function progress single-chip learning work is corresponded to by different expansion board, advanced experiment is tested and mentioned to base level.The present invention have the characteristics that it is simple and practical, be convenient for carrying, be at low cost, cost performance it is high.It can substitute original experimental facilities, both meet teaching request, in turn simplify student's learning procedure, improve learning efficiency.The expansion board of this project has extended capability, can be used as temperature, monitor and control system of electric machine and wireless system for transmitting data, can satisfy common engineer application scene.The technical need in many situations can be met under the premise of as small and exquisite convenient simple and easy-operating as possible.
Description
Technical field
The present invention relates to teaching equipment field more particularly to a kind of Integrative Experimental Teaching systems based on singlechip experimental board
System.
Background technique
With growing with each passing hour for modern Application computer technology, in continuous accumulation and innovation, embedded microprocessor is just
Develop towards super low-power consumption, miniaturization, high integration direction.People also increasingly pay close attention to the development feelings of SCM peripheral equipment
Condition, designing general and perfect in shape and function SCM peripheral modular system becomes a big hot topic item of current study, research and development, design
Mesh.Single chip madine is widely used as the very strong subject of practicality in many fields, and each colleges and universities are also by single-chip microcontroller class
The professional core class of Cheng Zuowei student, but single-chip microcontroller, as a kind of tool, simple theory study is cannot to grasp it completely
, therefore single-chip microcontroller related experiment becomes the emphasis of single-chip learning.
Experiment is significant for teaching, real for the educational pattern currently based on textbook education
Testing is an effective way for promoting student's theoretical knowledge, and student can further understand theoretical knowledge by experimentation, together
When can also find some knowledge details that do not acquire, the attainment degree of implicit knowledge can be improved, and student passes through experimental verification
The process of theoretical knowledge can further deepen the degree of understanding of knowledge.Experiment has multiple elements, and experimental facilities is as it
Important, indispensable a part ought to adequately be paid attention to.Therefore, meet the experimental facilities of contemporary teaching task
Exploitation just seems more important.
Traditional single chip computer teaching is served as theme with the structure of single-chip microcontroller, hardware configuration, monolithic generally according to single-chip microcontroller
The instruction system of machine and programming are explained, and some applications of single-chip microcontroller are explained then in conjunction with the peripheral components of single-chip microcontroller.
This method explanation is got up, and comparison is abstract, uninteresting, and student can't see single-chip microcontroller material object in learning process.And single-chip microcontroller religion at present
Experimental box used in mainly to be integrated with numerous functional modules based on the development board on one piece of single circuit board, but
It is its function complexity, volume is larger, and price is higher, and cost performance is not high, while multiple modules share I/O resource, selects disparate modules
It needs to carry out a large amount of wire jumper operations, high, easy error is required to experimenter's profession in practical applications, influences learning effect.City
Lack on face it is a kind of conform to the principle of simplicity for function designed by beginner to depth, compact, it is more portable, facilitate carry out daily teaching
And single-chip learning plate that learn by oneself work and that extension can be enriched.
Texas Instruments (TI company) started to release a kind of Flash type monolithic of super low-power consumption in 1996
Machine ----MSP430 microcontroller (MCU) assembles a variety of leading technologies, its memory module is that current industry is all
It is internally integrated one kind that energy consumption is minimum in flash storage product.The timing system high flexible of MSP430 single-chip microcontroller, have it is more
Kind low-power consumption mode, instant on function and intelligence can not only realize really preferential super low-power consumption, together from principal mode peripheral hardware
When can also significantly extend the service life of battery.Totally apparently, MSP430 single-chip microcontroller has multiple outstanding features, and being first can not
The super low-power consumption advantage doubted；Secondly, its kernel uses 16 RISC (Reduced Instruction Set Computer) processors, due to being singly to refer to
The period is enabled, speed advantage is obvious, and certain model also has hardware multiplier；Third, MSP430 use von Neumann knot
Structure, register and data segment and code segment unified addressing；4th MSP430 belongs to technical grade chip, and working range is -40~85
DEG C, and generator is controlled with PWM, it is suitable for various industrial measurement and control fields；5th, it is used as mixed-signal processor, includes
The multiple analogs equipment such as operational amplifier, ADC, DAC, comparator；Also there is multiple communication interface, include UART, I2C, SPI
Deng；The most important is the fully reinforced of the TI company, production firm of the single-chip microcontroller, timely updates and more meets market and wants
The MSP430 series monolithic asked is constantly updated perfect.
MSP430 series monolithic due to its super low-power consumption characteristic once come out just be widely used.It is entitled
The MSP-EXP430G2 low cost experimental plate of Launch Pad is that a complete exploitation suitable for MSP430G2 series of products solves
Certainly scheme matches in colleges and universities " Advanced Single machine and experimental technique " class.But its external expansion content mistake
It is few, it is unable to satisfy the requirement of current MSP430 single-chip learning with tutoring system extension and debugging, in the market existing corresponding expansion
Exhibition experimental plate be also mainly for pinned task develop use, cannot meet well student to MSP430 series monolithic into
The study of row from the superficial to the deep is to grasp its application.
Summary of the invention
Technical problem solved by the present invention is in order to solve the deficiencies in the prior art, the invention discloses one kind with
MSP430 single-chip microcontroller is core, based on commercially experimental plate, designs the teaching experiment system of the multiple functional modules of integration of completion
The hardware development of system works.The present invention sufficiently copes with teaching experiment task, meets various teaching required by task, is reducing product valence
While lattice, raising cost performance, meet learning cognition rule, accomplish to conform to the principle of simplicity to start with, be stepped up learning difficulty, improves study effect
Rate.
The technical scheme is that a kind of Integrative Experimental Teaching system based on singlechip experimental board, including MSP430
Single-chip microcontroller is the commercially experimental plate and expansion board of core.Wherein MSP430 single-chip microcontroller is the commercially experimental plate of core as main control
Device, for handling data and coordinated control expansion board；, expansion board can be arranged according to demand, such as can be arranged for teaching difficulty
Three pieces, including entry level expansion board, base level expansion board and raising grade expansion board；
The entry level expansion board includes 8 LED light, independent key and 8 segment numeral pipes.These modules are mutually only
It is vertical, only individually it is connected with MSP430 single-chip microcontroller, can be not only used alone under the control of MSP430 single-chip microcontroller, but also can combines and answer
With.8 LED light can realize multiple functions；Independent key can be used for controlling the light on and off state of LED light, and charactron shows it, this
Achievable plus-minus counting operation etc. is applied in combination in four modules under the control of MSP430 single-chip microcontroller；
Base level expansion board includes independent key control module, stepping motor and dc motor module, liquid crystal
Display module and DS18B20 temperature sensor, wherein DS18B20 temperature sensor can realize the measurement to temperature, and will measurement
As the result is shown on LCD MODULE；When temperature change reaches the threshold value of setting, it is electronic that MSP430 single-chip microcontroller controls stepping
Machine makes the revolving speed variation with temperature of motor with dc motor module and changes, the settable temperature threshold of independent key control module
Value；
Improving grade expansion board includes I2C bus OLED display module, wireless module, matrix keyboard control module and when
Clock module；Wireless module and external another corresponding wireless module telecommunication, it can be achieved that data wireless transmission,
The data that MSP430 single-chip microcontroller receives wireless module are handled, and are controlled I2C bus OLED display module and shown it.
In addition, clock module is supplied to SPI timing necessary to wireless module is communicated.Matrix keyboard control module can save
The limited pin of MSP430 single-chip microcontroller simultaneously completes complicated input operation, which can need voluntarily to extend according to student.
Invention effect
The technical effects of the invention are that: it is due to the adoption of the above technical scheme, provided by the invention a kind of based on single-chip microcontroller
The Integrative Experimental Teaching system of experimental plate have compared with prior art it is such the utility model has the advantages that
Functional module of the present invention is complete, and the experiment being able to achieve is rich and varied, corresponds to different function by different expansion board
Carry out single-chip learning work in various entry level experiment, base level test and mention advanced experiment, allow zero-base plinth student more
Fast introduction, becomes apparent from single-chip learning and faster starts to test, provide mode of learning from the superficial to the deep, can effectively improve student
View on practice.
The present invention have the characteristics that it is simple and practical, be convenient for carrying, be at low cost, cost performance it is high, can sufficiently meet different religions
Learn required by task.It can substitute original experimental facilities, can according to study and teaching request, select suitable experimental plate into
Row debugging and practice combine theory study to temper the design of the single-chip microcontroller of university student, application power with practice operation.Both full
Foot teaching request, in turn simplifies student's learning procedure, improves learning efficiency.
The expansion board of this project has extended capability, can be used as monitor and control system of electric machine, temperature control system and wireless
Data transmission system can satisfy common engineer application scene.It can be in convenient simple and easy-operating premise as small and exquisite as possible
The lower technical need met in many situations.
This project solves field research experiment problem using knowledge, there is wide application value.Expansion board can
To be set as needed, choose use, many unnecessary troubles can be saved in education activities, student can also be according to not
Same learning tasks Self-operating expansion board sufficiently copes with teaching experiment task, meets various teaching required by task, integration function
Module meets learning cognition rule, accomplishes to conform to the principle of simplicity to start with, be stepped up while reducing product price, improving cost performance
Difficulty is practised, is improved learning efficiency.
Detailed description of the invention
Fig. 1 is the basic composition schematic diagram of the Integrative Experimental Teaching system the present invention is based on MSP430 single-chip microcontroller；
Fig. 2 is the basic composition schematic diagram of entry level expansion board；
Fig. 3 is the basic composition schematic diagram of base level expansion board；
Fig. 4 is to improve the basic composition schematic diagram of grade expansion board；
Description of symbols: the Integrative Experimental Teaching system of 100-SCM Based experimental plates；101-MSP430 are mono-
Piece machine is the commercially experimental plate of core；102-expansion board；103-entry level expansion boards；104-base level Function Extensions
Plate；105-improve grade expansion board；110-8 LED light；111-independent keys；112-8 segment numeral pipes；120-is independent
Key control module；121-stepping motors and dc motor module；122-LCD MODULEs；123-DS18B20 temperature
Spend sensor；130-I2C bus OLED display modules；131-wireless modules；132-matrix keyboard control modules；When 133-
Clock module；
Specific embodiment
Referring to Fig. 1-Fig. 4, present invention is further described in detail with embodiment with reference to the accompanying drawing:
A kind of Integrative Experimental Teaching system 100 based on singlechip experimental board, including being based on MSP430 single-chip microcontroller is core
Commercially experimental plate 101 and its expansion board part 102.
The expansion board part 102 includes the independent expansion board that different function is completed for compatibility test plate, such as is got started
Grade expansion board 103, base level expansion board 104 and raising grade expansion board 105.For entry level expansion board
103 design, it is only necessary to which, using functional module that is simple, being easy to observe, be easy to upper hand, suitable student starts to learn this list
Piece machine；Base level expansion board 104 can be used as temperature, motor measurement and control unit uses, and measures to temperature and controls motor
Rotation；The design for improving grade expansion board 105 is for the combinatory possibility of increase functional module, further exercise student ' application
The ability of single-chip microcontroller external resource, student are acted on using the intercombination between the achievable function of expansion board 105, improve monolithic
The complexity that machine function is realized.
The entry level expansion board 103 by some base applications include wherein, such as may include 8 LED light 110, solely
Vertical key 111,8 segment numeral pipes 112.These components are mutually indepedent, are only individually connected with MSP430 single-chip microcontroller 101, in MSP430
It can be not only used alone under the control of single-chip microcontroller 101, but also can be with combined application.8 LED light 110 are in MSP430 single-chip microcontroller 101
Achievable multiple functions under control, such as: water operation, traffic lights operation etc.；Usually there are two types of work for independent key 111
State: " on " or "off" respectively correspond in circuit logic, can an independent basic level logic " 0 " or
Person " 1 " is supplied to scm application system.When a key is pressed, the pin that MSP430 single-chip microcontroller 101 is attached thereto by detection
On logic level complete to control the light on and off state of LED light 110；In addition, MSP430 single-chip microcontroller 101 can also be by detection
The logic level stated on pin completes counting operation, and synchronous transfer to charactron 112 shows it, to complete plus-minus counting
Operation etc.；103 modules group of entry level expansion board is not right high, and modules are fairly simple, cannot complete more multiple
Miscellaneous combination operation is suitble to the new hand's study for just having contacted MSP430 single-chip microcontroller, uses.
The base level expansion board 104 may be separately formed a simple observing and controlling combined system 124, i.e. temperature, motor
TT&C system includes independent key control module 120, stepping motor and dc motor module 121,1602 liquid crystal display modes
This four modules of block 122, DS18B20 temperature sensor 123.These modules are mutually indepedent, only independent with MSP430 single-chip microcontroller 101
It is connected, an observing and controlling combined system can be combined under the control of MSP430 single-chip microcontroller 101.1602 LCD MODULEs 122
Including 1602 liquid crystal displays and 74HC595 chip, pin needed for digital LCD 1602 is relatively more, and due to it
Data are parallel datas, therefore the use of 101 pin of MSP430 single-chip microcontroller can be saved with 74HC595 transformation from serial to parallel chip.Temperature
Degree TT&C system can realize the measurement to temperature using DS18B20 temperature sensor and transfer data to MSP430 single-chip microcontroller
101, MSP430 single-chip microcontrollers 101 are shown in 1602 display screens after treatment.In addition, stepping motor and dc motor module
121 include stepping motor and dc motor and its drive module, and motor drive block is using Darlington transistor
(ULN2003), the input terminal pin of ULN2003 connects MSP430 single-chip microcontroller 101, and output pin connects stepping motor and straight
Galvanic electricity motivation, MSP430 single-chip microcontroller 101 control motor speed or direction by control drive module Darlington transistor ULN2003.
Student can write program and set several threshold values to temperature, and when temperature reaches several threshold values of setting, motor speed is also sent out therewith
Changing, independent key 120 can be configured the threshold value of temperature, be similar to air-conditioning remote control, thus constitute a temperature
Degree, monitor and control system of electric machine.The extended edition is compared to entry level expansion board, increases more highly difficult module, eliminates simple
The module of introduction.
The raising grade expansion board 105 has specific function extension, is suitble to learner's study with certain basis, example
If expansion board 105 is used as wireless system for transmitting data, including I2C bus OLED display module 130, wireless module 131 controls mould
Block matrix keyboard 132 and clock module 133.The expansion board 105 has function combined application 134, and it is aobvious to can use OLED130
Show the working condition of remaining functional module, completes the intercombination work between function.It is transmitted/received in addition, wireless module 131 is used as
Data module uses nRF24L01 as wireless data transmission chip, MSP430 single-chip microcontroller 101 is transferred data to, through handling
OLED130 shows it afterwards.Communication between the sender and recipient of wireless module 131 is realized by SPI timing,
Clock module 133 provides required SPI timing for it.In addition, sometimes may require that more complicated for SCM system
Input operation, in order to save the limited pin of single-chip microcontroller and complete complicated input, spy increases matrix keyboard control module
132, which can voluntarily extend according to the demand of student.
This is a kind of Integrative Experimental Teaching system based on singlechip experimental board, and shown in Figure 1, it includes MSP430's
LaunchPad101 and its expansion board part.Wherein expansion board part includes entry level expansion board 103, the expansion of base level function
Panel 104 and raising grade expansion board 105.
The Launch Pad breadboard 101 of the MSP430 is a suitable for the newest MSP430G2xx series of products of TI
Complete exploitation solution.Its integrated-type emulator based on USB can provide answers for the exploitation of complete series MSP430G2xx device
With necessary all hardware demand.
Some base applications are included wherein such as 8 LED light 110, independent keys by the entry level expansion board 103
111,8 segment numeral pipe 112.Achievable running lamp design, the study of independent key, charactron plus-minus counting operation etc..
The base level expansion board 104 include stepping dc motor module 121, temperature sensor module 123,
This four modules of 1602 LCD MODULEs 122, independent key control module 120, which can be used as temperature, motor is surveyed
Control system 124.
The raising grade expansion board 105 is in addition to the common control module matrix keyboard 132 of application and the common peripheral hardware of single-chip microcontroller
Except clock module 133, I2C bus OLED display module 130 and wireless module 131 are also added, while the expansion board both had
There is control module, and there is display module, can use the working condition that OLED shows remaining functional module, completes between function
Intercombination work.The expansion board can be used as wireless system for transmitting data 134.
Specifically, in the above-mentioned Integrative Experimental Teaching system based on MSP430 single-chip microcontroller, all experiments are all
It is to realize that all experiments must all pass through MSP430 monolithic based on the commercially experimental plate 101 that MSP430 single-chip microcontroller is core
Machine is that the control of the commercially experimental plate 101 of core is just able to achieve corresponding function.
Claims (1)
1. a kind of Integrative Experimental Teaching system based on singlechip experimental board, which is characterized in that including MSP430 single-chip microcontroller be core
The commercially experimental plate (101) and expansion board (102) of the heart；Wherein MSP430 single-chip microcontroller is commercially experimental plate (101) conduct of core
Master controller, for handling data and coordinated control expansion board；Expansion board (102) can be arranged according to demand, such as can be for religion
Learn difficulty be arranged three pieces, including entry level expansion board (103), base level expansion board (104) and mention Premium Features expand
Panel (105)；
The entry level expansion board (103) includes 8 LED light (110), independent key (111) and 8 segment numeral pipes (112)；
These modules are mutually indepedent, are only individually connected with MSP430 single-chip microcontroller (101), under the control of MSP430 single-chip microcontroller (101) both
It can be used alone, and can be with combined application；Multiple functions can be achieved in 8 LED light (110)；Independent key (111) can be used for controlling
The light on and off state of LED light (110) processed, charactron (112) show it, control of this four modules in MSP430 single-chip microcontroller (101)
Achievable plus-minus counting operation etc. is applied in combination under system；
Base level expansion board (104) includes independent key control module (120), stepping motor and dc motor module
(121), LCD MODULE (122) and DS18B20 temperature sensor (123), wherein DS18B20 temperature sensor (123) can
It realizes the measurement to temperature, and measurement result is shown on LCD MODULE (122)；When temperature change reaches the threshold of setting
When value, MSP430 single-chip microcontroller (101) control stepping motor and dc motor module (121) make the revolving speed of motor with temperature
Change and changes, independent key control module (120) settable temperature threshold；
Improving grade expansion board (105) includes I2C bus OLED display module (130), wireless module (131), matrix keyboard
Control module (132) and clock module (133)；Wireless module (131) remotely leads to external another corresponding wireless module
Believe the wireless transmission, it can be achieved that data, MSP430 single-chip microcontroller (101) handles the data that wireless module (131) receives,
And it controls I2C bus OLED display module (130) and shows it；Clock module (133) is supplied to wireless module (131) progress
SPI timing necessary to communicating；Matrix keyboard control module (132) can save MSP430 single-chip microcontroller (101) limited pin simultaneously
Complete complicated input operation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910593261.1A CN110310552A (en) | 2019-07-03 | 2019-07-03 | A kind of Integrative Experimental Teaching system based on singlechip experimental board |
| PCT/CN2020/100126 WO2021000932A1 (en) | 2019-07-03 | 2020-07-03 | Experimental teaching system, method for operating experimental teaching system, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910593261.1A CN110310552A (en) | 2019-07-03 | 2019-07-03 | A kind of Integrative Experimental Teaching system based on singlechip experimental board |
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| WO (1) | WO2021000932A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021000932A1 (en) * | 2019-07-03 | 2021-01-07 | 西北工业大学 | Experimental teaching system, method for operating experimental teaching system, and storage medium |
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