CN108132781A - A kind of aviation graphic system based on ARM - Google Patents
A kind of aviation graphic system based on ARM Download PDFInfo
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- CN108132781A CN108132781A CN201711333969.0A CN201711333969A CN108132781A CN 108132781 A CN108132781 A CN 108132781A CN 201711333969 A CN201711333969 A CN 201711333969A CN 108132781 A CN108132781 A CN 108132781A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/30—Creation or generation of source code
- G06F8/34—Graphical or visual programming
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/20—Processor architectures; Processor configuration, e.g. pipelining
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30181—Earth observation
- G06T2207/30184—Infrastructure
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention belongs to Display Technique of Computer Graphics, are related to a kind of aviation graphic system based on ARM.It states aviation graphic system and includes hardware components and software section；Wherein：The hardware components are made of micro-processor interface circuit, communicating circuit, key collection circuit, A/D convertor circuit；The software section includes software environment and software logic structure.The present invention improves the function and performance of display class product on the basis of function before realization, while greatly reduces number of chips, reduces area occupied, reduces development difficulty, shortens the project development period.
Description
Technical field
The invention belongs to Display Technique of Computer Graphics, are related to a kind of aviation graphic system based on ARM.
Background technology
Aviation graphic system is mainly used in aviation displays or display control computer, mainly realizes airborne picture
Generation show, be pilot's synthesis display：The main flight information such as posture, speed, height, course；Navigation map is (in number
Route information, aircraft estimating position and navigational parameter etc. are superimposed on map)；Land/warship guidance information；Weather information；Near-earth
Alert figure；Engine parameter information；Comprehensive warning, operation prompt information；The letters such as the working conditions of external systems such as electromechanical, winged control
Breath.
Airborne display system is broadly divided into two kinds at present, and simple function only supports simple graph acceleration function, such as fills,
Chain-dotted line, copy etc. are drawn, does not support OpenGL.Another kind is that power consumption is larger, volume is big and operation is multiple using the GPU in PC machine
It is miscellaneous, need one CPU driving of special configuration.The processing generally use FPGA of video is realized to be folded with external equipment output video
Add.Existing aviation graphic system has the disadvantages that：
1. power consumption is big, more than power consumption 10W；
2. add the OpenGL1.1 graphical programming interfaces compared with lowest version with early version Vxworks5.5 operating systems；
3. needing, which increases FPGA, realizes the functions such as video superposition；
4. appearance and size is larger, and about 160 × 180.
Invention content
The invention technical problem to be solved：A kind of low-power consumption aviation graphic system based on ARM is provided,
The function and performance of display class product can be promoted, while greatly reduces number of chips, reduces area occupied, it is difficult to reduce exploitation
Degree shortens the project development period.
The technical scheme is that：A kind of aviation graphic system based on ARM, including hardware components and software portion
Point；Wherein：
The hardware components are made of micro-processor interface circuit, communicating circuit, key collection circuit, A/D convertor circuit；
Micro-processor interface circuit is mainly made of microprocessor, reset circuit, memory, flash.Pass through rgb video with liquid crystal display
Signal is connected, and output vision signal exchanges data with communicating circuit and communicated with external system, be connected with key circuit I/O port
Capture button information, with SPI mouthfuls of phases of A/D convertor circuit, collection voltages information.Microprocessor uses ARM-ContexA9+GPU framves
The high extended pattern multi-core processor of structure, and have OpenGLES graphic operation interfaces.
Communicating circuit is made of RS422 driving circuits, RS232 driving circuits, ARINC429 driving circuits, is acquired external total
Line information is transmitted to processor by local bus.
Key collection circuit is mainly made of button Anti-shaking circuit, IO Acquisition Circuits, collect key information be sent to it is micro-
Processor.
A/D convertor circuit is made of AD conversion chip and peripheral circuit, and acquisition analog voltage signal is converted into digital quantity transmission
To microprocessor.
The software section includes software environment and software logic structure；Wherein：
The software environment includes programming language, operating system, graphical programming interface, development environment；Wherein：
The programming language is standard C language；The operating system transplants Vxworks6.9 for BSP；The graphical programming
Interface supports OpenGLES2.0 graphical programming interfaces for driving；The development environment is Workbench3.3；
The software logic structure is made of driver layer, user interface layer and upper application layer, the driver
Layer is responsible for completing the initialization task of equipment；The user interface layer provide to the user the system API that software development uses,
OpenGL interfaces, BIT module interfaces；The upper application layer requires exploitation program for developer according to user.
Further, the Software Development Tools of the user application layer uses SCADE Display R16.2.1.
The beneficial effects of the invention are as follows：The present invention is based on the aviation graphic systems of ARM, are integrated using embedded-type ARM
For GPU as main process task circuit, design is optimized in hardware circuit, on the basis of function before realization, improves display class
The function and performance of product, while number of chips is greatly reduced, reduce area occupied, reduce development difficulty, shorten
The project development period.Meanwhile the present invention improves product reliability, reduces cost, realizes good economic and society's effect
It should.Its excellent properties is specific as follows：
1. reducing power consumption, power consumption is only 2~4W；
2. mating high reliability real time operating system Vxworks6.9 operating systems；
3. support new graphical programming interface OpenGLES2.0；
4. improve graphics processing efficiency：Standard 1024*768 resolution ratio PFD picture refreshings rate is more than 30FPS；
5. using Scade Display graphical developments, shorten the Development of Graphical Interfaces time, improve software quality；
6. appearance and size is reduced into 65 × 70mm.
Description of the drawings
Fig. 1 is the schematic block circuit diagram of the aviation graphic system the present invention is based on ARM；
Fig. 2 is the software logic structure diagram of the aviation graphic system the present invention is based on ARM.
Specific embodiment
The specific embodiment of the present invention is described further below in conjunction with the accompanying drawings.
A kind of aviation graphic system based on ARM of the present invention, including hardware components and software section；Wherein：
The hardware components are made of micro-processor interface circuit, communicating circuit, key collection circuit, A/D convertor circuit；
Micro-processor interface circuit is mainly made of microprocessor, reset circuit, memory, flash.Pass through rgb video with liquid crystal display
Signal is connected, and output vision signal exchanges data with communicating circuit and communicated with external system, be connected with key circuit I/O port
Capture button information, with SPI mouthfuls of phases of A/D convertor circuit, collection voltages information.Microprocessor uses ARM-ContexA9+GPU framves
The high extended pattern multi-core processor of structure, and have OpenGLES graphic operation interfaces.
Microprocessor uses the high extended pattern multi-core processor of ARM-ContexA9+GPU frameworks, and has OpenGLES2.0
Graphic operation interface.Main feature is as follows：
A) low-power consumption 40nm technologies；
B) it supports to be up to 4 ARM-ContexA9 cores, each core speed is up to 1.2GHZ；
C) there is 100/1000Mbps enhanced ethernet controllers, support RJ45 and optical fiber；
D) 3 high speed SD/MMC controllers；
E) abundant Peripheral Interface (NAND, SATA, I2C, PCIE, SPI, GPIO, UART, USB)；
F) have LVDS, RGB, HDMI, CSI interface；
G) reachable -55 DEG C~125 DEG C of operating temperature；
H) CPU overall powers are not more than 8W；
I) memory 1G can be extended to 2G；
J) GPU accelerating modules built in；Hardware 3D based on OpenGLES2.0 accelerates processing module to have four core frameworks, has
Standby the polygon production capacity of 100M per second and the pixel filling capacity of 1.25G per second；
Software includes software environment and software architecture.
Communicating circuit is made of RS422 driving circuits, RS232 driving circuits, ARINC429 driving circuits, is acquired external total
Line information is transmitted to processor by local bus.
Key collection circuit is mainly made of button Anti-shaking circuit, IO Acquisition Circuits, collect key information be sent to it is micro-
Processor.
A/D convertor circuit is made of AD conversion chip and peripheral circuit, and acquisition analog voltage signal is converted into digital quantity transmission
To microprocessor.
A) software environment
Programming language：Standard C language；
Operating system：Change BSP transplanting Vxworks6.9；
Graphical programming interface：OpenGLES2.0 graphical programming interfaces are supported in modification driving；
Development environment：Workbench3.3；
Graphical development tool：SCADE Display R16.2.1.
The present invention is based on operating systems to build software logic structure, by driver layer, user interface layer and upper layer application
Layer composition, software logic structure chart are as shown in Figure 2.The initialization that driver layer is responsible for completing the equipment such as FLASH, network interface is appointed
Business.User interface layer provides system API, the OpenGL interface that software development may use, BIT module interfaces etc. to the user.It opens
Hair personnel can require the exploitation program of oneself in upper application layer according to user.Master control borad software is developed in upper application layer.
Software Development Tools uses SCADE Display R16.2.1.
Claims (2)
1. a kind of aviation graphic system based on ARM, it is characterized in that：The aviation graphic system includes hardware components
And software section；Wherein：
The hardware components are made of micro-processor interface circuit, communicating circuit, key collection circuit, A/D convertor circuit；
The micro-processor interface circuit is made of microprocessor, reset circuit, memory, flash；Pass through rgb video signal with liquid crystal display
It is connected, output vision signal exchanges with communicating circuit that data are communicated with external system, be connected acquisition with key circuit I/O port
Key information, with SPI mouthfuls of phases of A/D convertor circuit, collection voltages information；Microprocessor is using ARM-ContexA9+GPU frameworks
High extended pattern multi-core processor, and have OpenGLES graphic operation interfaces；
The communicating circuit is made of RS422 driving circuits, RS232 driving circuits, ARINC429 driving circuits, is acquired external total
Line information is transmitted to processor by local bus；
The key collection circuit is mainly made of button Anti-shaking circuit, IO Acquisition Circuits, collect key information be sent to it is micro-
Processor；
The A/D convertor circuit is made of AD conversion chip and peripheral circuit, and acquisition analog voltage signal is converted into digital quantity transmission
To microprocessor；
The software section includes software environment and software logic structure；Wherein：
The software environment includes programming language, operating system, graphical programming interface, development environment；Wherein：
The programming language is standard C language；The operating system transplants Vxworks6.9 for BSP；The graphical programming interface
OpenGLES2.0 graphical programming interfaces are supported for driving；The development environment is Workbench3.3；
The software logic structure is made of driver layer, user interface layer and upper application layer, and the driver layer is born
Duty completes the initialization task of equipment；The user interface layer provides system API, OpenGL that software development is used to the user and connects
Mouth, BIT module interfaces；The upper application layer requires exploitation program for developer according to user.
2. aviation graphic system according to claim 1, it is characterized in that：The software development work of the user application layer
Tool is using SCADE Display R16.2.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333969.0A CN108132781A (en) | 2017-12-13 | 2017-12-13 | A kind of aviation graphic system based on ARM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333969.0A CN108132781A (en) | 2017-12-13 | 2017-12-13 | A kind of aviation graphic system based on ARM |
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| Publication Number | Publication Date |
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| CN108132781A true CN108132781A (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711333969.0A Pending CN108132781A (en) | 2017-12-13 | 2017-12-13 | A kind of aviation graphic system based on ARM |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221464A (en) * | 2019-12-24 | 2020-06-02 | 太原航空仪表有限公司 | Graphic processing module and method for aeronautical instrument |
Citations (2)
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| CN103869292A (en) * | 2014-04-02 | 2014-06-18 | 清华大学 | General purpose radar imaging processing system based on embedded GPU |
| US20150143014A1 (en) * | 2013-11-21 | 2015-05-21 | Microsoft Corporation | Support for ioapic interrupts in amba-based devices |
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2017
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150143014A1 (en) * | 2013-11-21 | 2015-05-21 | Microsoft Corporation | Support for ioapic interrupts in amba-based devices |
| CN103869292A (en) * | 2014-04-02 | 2014-06-18 | 清华大学 | General purpose radar imaging processing system based on embedded GPU |
Non-Patent Citations (2)
| Title |
|---|
| 丰新龙: "IMX6基于Vxworks的Framebuffer驱动移植", 《电子技术与软件工程》 * |
| 刘金权: "借助iMX6打造新一代工业互联网智能核心", 《物联网技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221464A (en) * | 2019-12-24 | 2020-06-02 | 太原航空仪表有限公司 | Graphic processing module and method for aeronautical instrument |
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Application publication date: 20180608 |
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