CN107450388A - A kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system - Google Patents

A kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system Download PDF

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Publication number
CN107450388A
CN107450388A CN201710518040.9A CN201710518040A CN107450388A CN 107450388 A CN107450388 A CN 107450388A CN 201710518040 A CN201710518040 A CN 201710518040A CN 107450388 A CN107450388 A CN 107450388A
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CN
China
Prior art keywords
module
operating system
main processor
modules
flush type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710518040.9A
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Chinese (zh)
Inventor
王洪
徐寅
孙钢波
汪波
邹尔博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huazhong Institute Of Optoelectronic Technology (china Shipbuilding Industry Corp 717 Institute)
717th Research Institute of CSIC
Original Assignee
Huazhong Institute Of Optoelectronic Technology (china Shipbuilding Industry Corp 717 Institute)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Huazhong Institute Of Optoelectronic Technology (china Shipbuilding Industry Corp 717 Institute) filed Critical Huazhong Institute Of Optoelectronic Technology (china Shipbuilding Industry Corp 717 Institute)
Priority to CN201710518040.9A priority Critical patent/CN107450388A/en
Publication of CN107450388A publication Critical patent/CN107450388A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0421—Multiprocessor system
    • 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
    • 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
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
    • 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
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
    • 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
    • G06F3/16—Sound input; Sound output
    • G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/22—Pc multi processor system
    • G05B2219/2214—Multicontrollers, multimicrocomputers, multiprocessing
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25345—Linux, preemption, low-latency patches for real time linux
    • 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
    • G06F2213/0002—Serial port, e.g. RS232C

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Signal Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The invention discloses a kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system, the secondary processor MCU module being connected including main processor modules and with main processor modules, also include storage driving module, analog video AD conversion module, audio frequency power amplifier module, IPS LCD screens drive module and the communication interface modules being connected with main processor modules, and the video compressing module being arranged in main processor modules and the resistive touch panel module being connected with secondary processor MCU module；The present invention can realize video acquisition, compression storage, display, the parsing of touch screen command reception in 3 inches of version width, the various functions such as audio amplification, external device communication, operating system is based on flush type LINUX operating system, and no copyright problem, interface extensible and flexibility greatly improve.

Description

A kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system
Technical field
Show and control technology field, more particularly to a kind of operated based on flush type LINUX the present invention relates to man-machine interface The small-sized man-machine aobvious control platform of system.
Background technology
In some specific areas such as space flight, automobile, subway industry field, human pilot or the ring residing for operating personnel Border is narrow and small, and surrounding environment constantly changes, it is desirable to which man-machine aobvious control platform has miniaturization, low-power consumption, multi-functional, high brightness, height right The features such as than degree, high stability.
Often function is single for existing small-sized man-machine aobvious control platform, does not possess scalability, reliability is low；And those have It is more multi-functional it is aobvious control platform be much based on WINDOWS operating systems, volume and power consumption are all larger, at the same in copyright also by Limitation, cost are higher.
The content of the invention
Therefore the present invention devises a kind of man-machine boundary of Multifunctional small-sized low-power consumption based on flush type LINUX operating system Face is shown and control platform.
The purpose of the present invention is achieved through the following technical solutions：It is a kind of based on the small of flush type LINUX operating system The man-machine aobvious control platform of type, including main processor modules and the secondary processor MCU module that is connected with main processor modules, are also wrapped The storage driving module being connected with main processor modules is included, runs for program and is regarded with data operation, program storage and Large Copacity Frequency data storage is simulated；The analog video AD conversion module being connected with main processor modules, for realizing pal mode CVBS signals To the conversion of digital DVP signals；The video compressing module being arranged in main processor modules, for realizing to the real-time volume of video Code and compression；The audio frequency power amplifier module being connected with main processor modules, for realizing the reception and amplification of sound；With aid in treatment The resistive touch panel module of device MCU module connection, for realizing the signal acquisition of 4 line electric resistance touch screens；With primary processor The IPS LCD screen drive modules of module connection, for realizing that real-time video and image are shown；It is connected with main processor modules Communication interface modules, for realizing the communication with external equipment.
A kind of described small-sized man-machine aobvious control platform based on flush type LINUX operating system, its storage driving module by 256MB dynamic memory MT47H128M16,128MB solid-state memory NAND1GW3B2CN6E and 32GB TF card form.
A kind of described small-sized man-machine aobvious control platform based on flush type LINUX operating system, its analog video AD conversion Module is made up of TVP5150 chips.
A kind of described small-sized man-machine aobvious control platform based on flush type LINUX operating system, its resistive touch screen mould Block is made up of MCU, special touch A/D chip TSC2046IRGVT and voltage-stablizer ADR444BRZ.
A kind of described small-sized man-machine aobvious control platform based on flush type LINUX operating system, the driving of its IPS LCD screen Module is made up of LED backlight power circuit and data drive circuit.
A kind of described small-sized man-machine aobvious control platform based on flush type LINUX operating system, its communication interface modules by UART interface and external level change-over circuit composition inside processor.
The beneficial effects of the invention are as follows：System architecture is compact, only 3 inches of whole system version width；It is feature-rich, it can regard in fact Frequency collection, compression storage, display, the various functions such as touch screen command reception parsing, audio amplification, external device communication；Operation System is based on flush type LINUX operating system, and no copyright restricted problem, interface extensible and flexibility greatly improve.
Brief description of the drawings
Fig. 1 is the high-level schematic functional block diagram of the present invention.
Each reference is：1-storage driving module, 2-analog video AD conversion module, 3-video compressing module, 4-audio frequency power amplifier module, 5-resistive touch panel module, 6-IPS LCD screen drive modules, 7-communication interface modules, 8-secondary processor MCU module, 9-main processor modules.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not For limiting the present invention.
As shown in figure 1, the Multifunctional small-sized low-power consumption man-machine interface based on flush type LINUX operating system is shown and control Platform processed, using Leonardo da Vinci's family chip TMS320DM368 processors of TI companies as core, including storage driving module 1, simulation Video A/D conversion module 2, video compressing module 3, audio frequency power amplifier module 4, resistive touch panel module 5, the driving of IPS LCD screens Module 6, communication interface modules 7, secondary processor MCU module 8, main processor modules 9.
DDR2/NANDFLASH/EMMC storage drivings module 1 is used for program operation and data operation, program storage and great Rong Video data storage simulation is measured, mainly by 256MB dynamic memory MT47H128M16,128MB solid-state memories NAND1GW3B2CN6E and 32GB TF CARD are formed.
Analog video AD conversion module 2 is used to realize conversion of the pal mode CVBS signals to digital DVP signals, after conversion Data format be YUV420；Mainly it is made up of TVP5150 chips, by main control IIC interfaces with postponing, PAL can be received Standard analog video signal, analog video signal is separated into YUV420 data signals and line synchronising signal, field sync signal, Parity signal, clock sync signal.
Video compressing module 3 is used to realize coding real-time to video and compression；At the video association inside processor Reason device Coprocessor realizes coding real-time to video and compression, and compressed format is for MPEG4 or H.264.
Audio frequency power amplifier module 4 is used for the reception and amplification for realizing sound；1W driving can be provided for 8 ohm of resistive loads Ability, realize the output amplification of audio signal.
Resistive touch panel module 5, the signal acquisition of 4 line electric resistance touch screens can be realized；Mainly by touch panel, MCU, special touch A/D chip TSC2046IRGVT and voltage-stablizer ADR444BRZ compositions, can be by after touch location signal resolution Send master controller to.
IPS LCD screens drive module 6, for realizing that real-time video and image are shown；Mainly by LED backlight power circuit And data drive circuit composition, the IPS screens of 240x320 pixels can be realized with 25 frames/second video real-time display, backlight electric power Driving can provide 3.3V@120mA driving forces, can drive the parallel white light LEDs in six tunnels simultaneously；Backlight illumination passes through PWM Signal controls.
Communication interface modules 7, for realizing and external equipment full duplex mode serial communication；Connect by UART inside processor Mouth and external level change-over circuit composition, communication protocol RS232.
Operating system uses flush type LINUX Open Source Platform, and system kernel can be cut, by can to writing for driver With various kinds of equipment of flexibly plugging into.
This aobvious control platform uses 2.8 inch 2 of 62K full colors, 180 ° of visual angle IPS display screens, and screen data interface is using simultaneously Row 16bit RGB565 interfaces, pilot controller SPI interface is initialized to screen, digital of digital video data is output to by primary processor In display screen.
The present invention can in 3 inches of version width based on flush type LINUX operating system realize image, sound gather in real time, Storage with play and and external device communication, body is smaller, low in energy consumption, and scalability is strong, flexible design.
During work, main processor modules 9 call the NANDFLASH in DDR2/NANDFLASH/EMMC storage drivings module 1 The UBOOT startup files of middle storage, flush type LINUX operating system image file, file system are unziped in DDR2 and run, solution LINUX operating systems adapter whole system after pressure, initialization operation is entered to other modules.
The analog video signal of outside input enters analog video AD conversion module 2, and analog video AD conversion module 2 will Pal mode CVBS signals are converted to the video front processing module that YUV420 is sent into main processor modules 9（VPFE）In, the front end Processing module can carry out 640x512 to 320x240 size scalings to the data signal that collects, the data feeding after scaling IPS LCD screens drive module 6 carries out real-time display, in addition, video data will also be by video coprocessor boil down to H.264 Form, it is stored in 32GB TF CARD.IPS LCD screens drive module 6 can normally show and also need to IPS LCD screens Control of the drive module 6 to backlight electric power, secondary processor MCU module 8 pass through initialization of the SPI interface to screen.Resistance-type Touch screen module 5 obtains touching position information using special resistors screen A/D convertor circuit TSC2046IRGV, through secondary processor MCU module 8 is forwarded to main processor modules 9.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted, And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.

Claims (6)

  1. A kind of 1. small-sized man-machine aobvious control platform based on flush type LINUX operating system, it is characterised in that：Including primary processor mould Block（9）And and main processor modules（9）The secondary processor MCU module of connection（8）, in addition to
    With main processor modules（9）The storage driving module of connection（1）, for program operation with data operation, program storage and Large-capacity video data storage is simulated；
    With main processor modules（9）The analog video AD conversion module of connection（2）, for realizing pal mode CVBS signals to number The conversion of word DVP signals；
    It is arranged on main processor modules（9）Interior video compressing module（3）, for realizing coding real-time to video and compression；
    With main processor modules（9）The audio frequency power amplifier module of connection（4）, for realizing the reception and amplification of sound；
    With secondary processor MCU module（8）The resistive touch panel module of connection（5）, for realizing 4 line electric resistance touch screens Signal acquisition；
    With main processor modules（9）The IPS LCD screen drive modules of connection（6）, for realizing that real-time video and image are shown；
    With main processor modules（9）The communication interface modules of connection（7）, for realizing the communication with external equipment.
  2. 2. a kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system according to claim 1, its feature It is, described storage driving module（1）By 256MB dynamic memory MT47H128M16,128MB solid-state memories NAND1GW3B2CN6E and 32GB TF cards form.
  3. 3. a kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system according to claim 1, its feature It is, analog video AD conversion module（2）It is made up of TVP5150 chips.
  4. 4. a kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system according to claim 1, its feature It is, described resistive touch panel module（5）By MCU, special touch A/D chip TSC2046IRGVT and voltage-stablizer ADR444BRZ is formed.
  5. 5. a kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system according to claim 1, its feature It is, described IPS LCD screen drive modules（6）It is made up of LED backlight power circuit and data drive circuit.
  6. 6. a kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system according to claim 1, its feature It is, described communication interface modules（7）It is made up of UART interface inside processor and external level change-over circuit.
CN201710518040.9A 2017-06-29 2017-06-29 A kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system Pending CN107450388A (en)

Priority Applications (1)

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CN201710518040.9A CN107450388A (en) 2017-06-29 2017-06-29 A kind of small-sized man-machine aobvious control platform based on flush type LINUX operating system

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CN107450388A true CN107450388A (en) 2017-12-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101561680A (en) * 2009-05-11 2009-10-21 南京航空航天大学 Embedded guidance device of autonomous vehicle and intelligent composite guidance method thereof
CN201984819U (en) * 2011-01-18 2011-09-21 刘天键 Multifunctional vehicle-mounted multimedia system
CN102438106A (en) * 2011-12-21 2012-05-02 成都众询科技有限公司 Video acquisition system
US20130249861A1 (en) * 2012-03-22 2013-09-26 Eminent Electronic Technology Corp. Ltd. Electronic apparatus having touch sensing ability and non-touch sensing ability and control method thereof
CN105635689A (en) * 2016-01-12 2016-06-01 西安诺瓦电子科技有限公司 Video controller

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101561680A (en) * 2009-05-11 2009-10-21 南京航空航天大学 Embedded guidance device of autonomous vehicle and intelligent composite guidance method thereof
CN201984819U (en) * 2011-01-18 2011-09-21 刘天键 Multifunctional vehicle-mounted multimedia system
CN102438106A (en) * 2011-12-21 2012-05-02 成都众询科技有限公司 Video acquisition system
US20130249861A1 (en) * 2012-03-22 2013-09-26 Eminent Electronic Technology Corp. Ltd. Electronic apparatus having touch sensing ability and non-touch sensing ability and control method thereof
CN105635689A (en) * 2016-01-12 2016-06-01 西安诺瓦电子科技有限公司 Video controller

Non-Patent Citations (1)

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Title
宋经纬: "嵌入式网络视频监控设备的驱动设计与开发", 《中国优秀硕士学位论文全文数据库 信息科技辑》 *

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