CN203038292U - High performance bar code scanning device based on ARM11 platform - Google Patents
High performance bar code scanning device based on ARM11 platform Download PDFInfo
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- CN203038292U CN203038292U CN 201220726494 CN201220726494U CN203038292U CN 203038292 U CN203038292 U CN 203038292U CN 201220726494 CN201220726494 CN 201220726494 CN 201220726494 U CN201220726494 U CN 201220726494U CN 203038292 U CN203038292 U CN 203038292U
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- bar code
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Abstract
The utility model discloses a high performance bar code scanning device based on an ARM11 platform. The high performance bar code scanning device based on the ARM11 platform comprises a camera module which is a CMOS camera module and is used for collecting bar code image data, an embedded microprocessor which is high-speed microprocessor which takes an ARM11 core as the core and is used for receiving and processing the image data to acquire information in a bar code, and a display interface which is connected with the embedded microprocessor and is used for being connected with an external display device. According to the utility model, the high-speed microprocessor which takes the ARM11 as the core is used for processing the collected bar code images, thus the bar code scanning device has a high performance.
Description
Technical field
The utility model relates to the bar codes technique field, particularly a kind of high-performance bar code scan equipment based on the ARM11 platform.
Background technology
Bar code is bar, the null symbol of arranging by certain coding rule by a group, and in order to the information of representing that certain character, numeral and symbol are formed, it mainly comprises one dimension sign indicating number and two kinds of forms of two-dimension code.Bar code is used for product informations such as sign grown place, manufacturing firm, trade name, date of manufacture, book classification number, mail start-stop place, classification, date more.Because characteristics such as bar code high input speed, reliability height, big, the flexible practicality of Information Monitoring amount are widely used in fields such as circulation of commodities, taking care of books, postal management, banking system.Bar codes technique is along with development and the application of computing machine and infotech are born, and it is the new technique that integrates coding, printing, identification, data acquisition and processing (DAP).In logistics field, use the bar code scanning technology more and more to become a kind of trend.
The scanning of bar code needs scanner, and scanner utilizes self light source irradiation bar code, and the recycling photoelectric commutator is accepted the light of reflection, converts the light and shade of reflection ray to digital signal.Final scanner carries out the information that special processing will be stored in the bar code with digital signal and reads.Bar code scan has light pen, CCD, laser, four kinds of forms of image, wherein use the CMOS camera as the image scan of photoelectric commutator as the 4th generation the bar code scan technology have characteristics such as noncontact and depth of field distance, scan decoder ability be strong, with low cost.
Therefore, how to design a kind of high performance bar code scan equipment, be those skilled in the art's research direction place.
Summary of the invention
Fundamental purpose of the present utility model provides a kind of high-performance bar code scan equipment based on the ARM11 platform, and it is kernel by being equipped with ARM11, so that bar code scan equipment is realized high-performance.
In order to achieve the above object, the utility model provides a kind of high-performance bar code scan equipment based on the ARM11 platform, and it comprises:
One camera module, it is a CMOS camera module, is used for pick-up slip shape code view data;
One embedded microprocessor, it is to be the core high speed microprocessor with the ARM11 kernel, is used for receiving described view data and handling, thereby obtains the information that comprises in the bar code; And
One display interface, it links to each other with described embedded microprocessor, is used for an external display device.
Wherein, also comprise a communication interface, it links to each other with described embedded microprocessor, is used for carrying out communication with external unit.
Wherein, described communication interface is USB interface or RS232 interface.
Wherein, in the described camera module microprocessor is set, is used for the control of light filling and the location LED of bar code.
Wherein, also comprise a DDR SDRAM, it links to each other with described embedded microprocessor.
Wherein, described DDR SDRAM is HY57V561620FTP.
Wherein, also comprise two Nand Flash storeies, it links to each other with described embedded microprocessor.
Wherein, described Nand Flash storer is K4T1G164QF.
Wherein, described embedded microprocessor is S3C6410.
Wherein, the kernel of described embedded microprocessor is ARM1176JZF-S.
Compared with prior art, the beneficial effects of the utility model are:
High-performance: core microprocessors adopts 16/32 bit microprocessor based on the ARM1176JZF-S framework, the paramount 667MHz that reaches of its dominant frequency, and have 64/32 internal bus framework, powerful hardware accelerators such as video, audio frequency, X-Y scheme, display operation, convergent-divergent are provided simultaneously.
Be easy to exploitation: Windows CE system has good cutting and portability, and product level BSP supports to lower development difficulty greatly.Simultaneously the similarity of itself and Windows is convenient to various respond well decoding algorithms and transplants in equipment.
Applying flexible: this bar code scan equipment both can connect LCD, directly showed the bar code scanning result as handheld device, also the bar code scan result can be passed to other equipment such as computing machine, carried out subsequent operation again.
The accuracy rate height: advanced cmos image sensor and the decoding program of function admirable provide guarantee for fast, precisely identifying bar code.
Description of drawings
Fig. 1 is the hardware principle block diagram of a kind of high-performance bar code scan equipment based on the ARM11 platform of the utility model.
Description of reference numerals: 11-embedded microprocessor; 12-camera module; The 13-display interface; The 14-communication interface; 15-DDR SDRAM; 16-Nand Flash storer.
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the utility model is above-mentioned.
As shown in Figure 1, be the hardware principle block diagram of a kind of high-performance bar code scan equipment based on the ARM11 platform of the utility model.A kind of high-performance bar code scan equipment based on the ARM11 platform of the present utility model comprises: embedded microprocessor 11 and the camera module 12, display interface 13 and the communication interface 14 that link to each other with described embedded microprocessor, wherein,
Described camera module 12 is a CMOS camera module, and it is used for pick-up slip shape code view data as image scanner, and it is the embedded system of core that its camera data-interface by standard passes to the embedded microprocessor;
Described embedded microprocessor 11, it is that the high-performance embedded microprocessor with the ARM11 kernel is core, the utilizing camera interface that utilizes embedded microprocessor to carry can receive the bar code scanning data that special-purpose CMOS camera module obtains.Cooperate mature and stable operating system, embedded microprocessor will be given full play to the computing advantage of its advanced kernel framework, to the bar code image data that the obtain processing of decoding, thereby accurately obtain the information that comprises in the bar code.For the bar code information of final acquisition, the control interface that display interface 13 of the present utility model can compatible most of lcd controllers can directly connect display device and show.Bar code information also can be delivered to other equipment such as computing machine by described communication interface 14, and described communication interface is the form of USB interface or RS-232 serial ports.
Described embedded microprocessor 11 is selected the 32-bit microprocessor S3C6410 of Samsung for use, this microprocessor is based on the ARM1176JZF-S core design, wherein integrated strong multimedia processing unit, support MPEG4, H.264/H.263 wait the video file hardware compression of form, and can export LCD and TV demonstration simultaneously to; Simultaneously also and have 3D graphic hardware accelerator, can realize OpenGL ES1.1﹠amp; 2.0 accelerate to play up, it also supports the level and smooth convergent-divergent of 2D graph image in addition, operations such as upset are highly suitable for image processing field.The accumulator system of S3C6410 is supported DDR, SDRAM, multiple memory devices such as NOR-FLASH, NAND-FLASH.High-performance bar code scan equipment of the present utility model can also extend out a DDR SDRAM15 and a Nand Flash storer 16, and S3C6410 comprises many hardware adaptor, as a utilizing camera interface, TFT24 position true color LCD display controller, 4 passage UART, 32 passage DMA, 4 passage timers, general I/O port, IIS bus interface, iic bus interface, the USB main equipment, SD main equipment and high-speed multimedia clamping mouth etc.For utilizing operating system to give full play to system performance, and reduce the application and development difficulty, need be equipped with the DDR RAM of 256MB and the Nand Flash of 1GB for core microprocessors, to constitute whole core processing module.
It is 16/32 bit microprocessor S3C6410 of kernel with ARM1176JZF-S that the core of bar code scan equipment of the present utility model is selected Samsung for use, X-Y scheme wherein, multiple powerful hardware-accelerated can providing powerful support for for high-quality bar code scan provides such as display operation and convergent-divergent.Simultaneously, for two models of core microprocessors configuration are K4T1G164QF, capacity is that DDR RAM chip and a slice model of 128MB is the Nand Flash storer of 1GB for the K9GBG08U0B capacity.Equipment also provides a LCD interface, most of control signal and complete RGB data-signal, the convenient display device that connects such as wherein comprised the employed row-field scanning of common LCD, clock and enable.Simultaneously, also comprise the required control signal of touch-screen in the interface, can realize interactive operation to equipment with touch-screen.
Operation Windows CE operating system in the bar code scan equipment, Windows CE is the 32-bit operating system that Microsoft aims at Embedded System Design, it has good cutting and portability, product-level BSP supports to significantly reduce the transplant time of system, and its hardware real-time can satisfy the real-time requirement in most environment simultaneously.In addition, as a member in the Windows operating system, it possesses the favorable compatibility with Win32API, and is very convenient in the exploitation of application program.
In sum, the utlity model has following advantage:
High-performance: core microprocessors adopts 16/32 bit microprocessor based on the ARM1176JZF-S framework, the paramount 667MHz that reaches of its dominant frequency, and have 64/32 internal bus framework, powerful hardware accelerators such as video, audio frequency, X-Y scheme, display operation, convergent-divergent are provided simultaneously.
Be easy to exploitation: Windows CE system has good cutting and portability, and product level BSP supports to lower development difficulty greatly.Simultaneously the similarity of itself and Windows is convenient to various respond well decoding algorithms and transplants in equipment.
Applying flexible: this bar code scan equipment both can connect LCD, directly showed the bar code scanning result as handheld device, also the bar code scan result can be passed to other equipment such as computing machine, carried out subsequent operation again.
The accuracy rate height: advanced cmos image sensor and the decoding program of function admirable provide guarantee for fast, precisely identifying bar code.
More than explanation is just illustrative for the utility model; and it is nonrestrictive; those of ordinary skills understand; under the situation that does not break away from the spirit and scope that following claims limit; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.
Claims (10)
1. high-performance bar code scan equipment based on the ARM11 platform is characterized in that it comprises:
One camera module, it is a CMOS camera module, is used for pick-up slip shape code view data;
One embedded microprocessor, it is to be the core high speed microprocessor with the ARM11 kernel, is used for receiving described view data and handling, thereby obtains the information that comprises in the bar code; And
One display interface, it links to each other with described embedded microprocessor, is used for an external display device.
2. the high-performance bar code scan equipment based on the ARM11 platform according to claim 1 is characterized in that, also comprise a communication interface, it links to each other with described embedded microprocessor, is used for carrying out communication with external unit.
3. the high-performance bar code scan equipment based on the ARM11 platform according to claim 2 is characterized in that, described communication interface is USB interface or RS232 interface.
4. the high-performance bar code scan equipment based on the ARM11 platform according to claim 1 is characterized in that, in the described camera module microprocessor is set, and is used for the control of light filling and the location LED of bar code.
5. the high-performance bar code scan equipment based on the ARM11 platform according to claim 1 is characterized in that, also comprise a DDR SDRAM, it links to each other with described embedded microprocessor.
6. the high-performance bar code scan equipment based on the ARM11 platform according to claim 5 is characterized in that described DDR SDRAM is HY57V561620FTP.
7. the high-performance bar code scan equipment based on the ARM11 platform according to claim 1 is characterized in that, also comprises two Nand Flash storeies, and it links to each other with described embedded microprocessor.
8. the high-performance bar code scan equipment based on the ARM11 platform according to claim 7 is characterized in that, described Nand Flash storer is K4T1G164QF.
9. the high-performance bar code scan equipment based on the ARM11 platform according to claim 1 is characterized in that described embedded microprocessor is S3C6410.
10. the high-performance bar code scan equipment based on the ARM11 platform according to claim 1 is characterized in that the kernel of described embedded microprocessor is ARM1176JZF-S.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220726494 CN203038292U (en) | 2012-12-25 | 2012-12-25 | High performance bar code scanning device based on ARM11 platform |
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| CN 201220726494 CN203038292U (en) | 2012-12-25 | 2012-12-25 | High performance bar code scanning device based on ARM11 platform |
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| CN203038292U true CN203038292U (en) | 2013-07-03 |
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| CN 201220726494 Expired - Lifetime CN203038292U (en) | 2012-12-25 | 2012-12-25 | High performance bar code scanning device based on ARM11 platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106096686A (en) * | 2016-07-12 | 2016-11-09 | 广州贯行电能技术有限公司 | The wireless bar code scanning system read for electric equipment operation parameter |
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2012
- 2012-12-25 CN CN 201220726494 patent/CN203038292U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106096686A (en) * | 2016-07-12 | 2016-11-09 | 广州贯行电能技术有限公司 | The wireless bar code scanning system read for electric equipment operation parameter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |