CN204302991U

CN204302991U - The scan-data conversion equipment of Quick Response Code and mobile terminal

Info

Publication number: CN204302991U
Application number: CN201420856468.6U
Authority: CN
Inventors: 谷玥
Original assignee: Shanghai Simcom Ltd
Current assignee: Shanghai Simcom Ltd
Priority date: 2014-12-24
Filing date: 2014-12-24
Publication date: 2015-04-29
Anticipated expiration: 2024-12-24

Abstract

The utility model provides a kind of scan-data conversion equipment and mobile terminal of Quick Response Code, comprise one for scanning the Quick Response Code probe of Quick Response Code, an a CPU and YUV turns MIPI chip, described YUV turns 16 input interfaces that MIPI chip has the scan-data for receiving described Quick Response Code probe, the least-significant byte input interface that described Quick Response Code probe and described YUV turn MIPI chip is electrically connected, described YUV turns the most-significant byte input interface ground connection of MIPI chip, and described YUV turns MIPI chip and is electrically connected with described CPU.This programme can decrease the use of fpga chip, owing to decreasing the data conversion step of fpga chip self, therefore also improves the decode rate of Quick Response Code.

Description

The scan-data conversion equipment of Quick Response Code and mobile terminal

Technical field

The utility model relates to a kind of scan-data conversion equipment and mobile terminal of Quick Response Code.

Background technology

Along with the development of barcode technology, the software of scanning Quick Response Code gets more and more, and for the software be arranged on mobile phone, it mostly obtains image in 2 D code by camera, and the data this image in 2 D code analysis read afterwards in this image, to realize the decoding of Quick Response Code.

But not high for sweep speed during camera scanning Quick Response Code on mobile phone, therefore special Quick Response Code probe arises at the historic moment, and its frame per second is high, and transmission monochrome pixels, speed is fast, greatly can improve the speed of scan decoder.

As shown in Figure 1, the processor platform of mobile phone mostly adopts the CPU4 of Qualcomm, do not support the data of grayscale format, data for Quick Response Code probe 1 output are the gradation data of 8 Y (representing the form of intensity gray scale signal in a kind of colour coding method YUV) form, the data of this form turn MIPI (Mobile Industry Processor Interface being transferred to YUV, mobile Industry Processor Interface) need the data of YUV (a kind of colour coding method) form being converted to 16 to input before chip 2, could be identified and process by the CPU4 of high-pass platform further.Therefore, usually a FPGA (Field-Programmable Gate Array, i.e. field programmable gate array) chip 3 is used to be the yuv data of 16 bit formats by the Y data transformations of 8 bit formats in prior art.Comparatively speaking, the mode of this data transformations have impact on the decode rate of mobile terminal to Quick Response Code to a certain extent, too increases the use cost of chip.

Utility model content

The technical problems to be solved in the utility model affects decode rate and the defect increasing chip use cost in order to overcome mobile terminal in prior art to the scan-data conversion of Quick Response Code, provides a kind of scan-data conversion equipment and mobile terminal of Quick Response Code.

The utility model solves above-mentioned technical problem by following technical proposals:

A kind of scan-data conversion equipment of Quick Response Code, comprise one for scanning the Quick Response Code probe of Quick Response Code, an a CPU and YUV turns MIPI chip, its feature is, described YUV turns 16 input interfaces that MIPI chip has the scan-data for receiving described Quick Response Code probe, the least-significant byte input interface that described Quick Response Code probe and described YUV turn MIPI chip is electrically connected, described YUV turns the most-significant byte input interface ground connection of MIPI chip, and described YUV turns MIPI chip and is electrically connected with described CPU.

In this programme, YUV is the kind of compiling color space, Y ^,uV, YUV, YCbCr, the proper nouns such as YPbPr can be called YUV, wherein, " Y " represents lightness (Luminance, Luma), " U " and " V " is then colourity, concentration (Chrominance, Chroma), and other common yuv formats have YUY2, YUYV, YVYU, UYVY, AYUV, Y41P, Y411, Y211, IF09, IYUV, YV12, YVU9, YUV411, YUV420 etc.Because Quick Response Code probe access YUV turns the least-significant byte input interface of MIPI chip, YUV turns MIPI chip most-significant byte ground connection, then formed with the UV data in 0 filling yuv format data, thus form the data of the YUYV form of 16, and YUYV form is the one in yuv format, also can be identified and process by the CPU of high-pass platform.

Therefore, change due to the data of Quick Response Code probe are directly turned in MIPI chip at YUV by the connected mode of this programme, decrease the use of fpga chip, owing to decreasing the data conversion step of fpga chip self, therefore also improve the decode rate of Quick Response Code.

Preferably, described Quick Response Code probe is a black and white camera.

Wherein, the product type of Quick Response Code probe can be SE4500 and SE4750 of Motorola Inc., also can be the Quick Response Code probe that other only has Y-component; And the model that YUV turns MIPI chip can be the TC358746XBG of Toshiba, but be also not limited thereto; And the model of CPU can be but be not limited to MSM8X25 and MSM8X10 of Qualcomm.

Preferably, described YUV turns MIPI chip and described CPU is positioned on same pcb board.

The utility model also provides a kind of mobile terminal, and its feature is, comprises above-mentioned scan-data conversion equipment.

Preferably, described Quick Response Code probe is located on the backboard of described mobile terminal.

Preferably, described Quick Response Code probe is the camera of described mobile terminal.

Positive progressive effect of the present utility model is: the 16 bit data input interfaces being turned MIPI chip by YUV, and in conjunction with the connected mode of Quick Response Code probe in this programme, make this programme can decrease the use of fpga chip, owing to decreasing the data conversion step of fpga chip self, therefore also improve the decode rate of Quick Response Code.

Accompanying drawing explanation

Fig. 1 is the structural representation of the scan-data conversion equipment of existing Quick Response Code.

Fig. 2 is the structural representation of the scan-data conversion equipment of the Quick Response Code of the utility model one embodiment.

Fig. 3 is the structural representation that the YUV of the utility model one embodiment turns MIPI chip.

Detailed description of the invention

Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described.

The present embodiment provides a kind of scan-data conversion equipment of Quick Response Code, as shown in Figure 2, comprise one and turn MIPI chip 20 for Quick Response Code probe 1, CPU4 and a YUV scanning Quick Response Code, as shown in Figure 3, described YUV turns MIPI chip 20 and has 24 bit data input ports, a road MIPI signal output, but when being connected with Quick Response Code probe, only use the pin PD0-PD7 of chip, PD8-PD15 pin ground connection, described YUV turns MIPI chip 20 and is electrically connected with described CPU4.

Wherein, the product type of described Quick Response Code probe is the SE4500 of Motorola Inc., and the model that described YUV turns MIPI chip 20 is the TC358746XBG of Toshiba, and the model of described CPU4 is the MSM8X10 of Qualcomm.Described YUV turns MIPI chip 20 and is positioned on same pcb board with described CPU4.

Wherein, YUV turns MIPI chip and is converted to MIPI formatted data for the yuv format data of 16 access formed, thus carries out identifying and process this image in 2 D code data for the CPU of high-pass platform.YUV turns MIPI chip can because of the difference of connection device, and have different connections, be directly connect 16 interfaces that YUV turns MIPI chip during as being connected with fpga chip in prior art, and the application is after removing fpga chip, use least-significant byte to be connected with Quick Response Code probe, most-significant byte is ground connection then.Under the prerequisite of this method of attachment, MIPI chip can be turned to YUV and do corresponding setting, as passed through I ²c communication protocol realizes effective connection etc. of interface.

Visible, 16 bit data input interfaces of MIPI chip are turned by YUV, and in conjunction with the connected mode of Quick Response Code probe in this programme, make this programme can decrease the use of fpga chip, owing to decreasing the data conversion step of fpga chip self, therefore also improve the decode rate of Quick Response Code.

The present embodiment also provides a kind of mobile terminal, comprises the scan-data conversion equipment described in the present embodiment, and described Quick Response Code probe is located on the backboard of described mobile terminal, and described Quick Response Code probe is the camera of described mobile terminal.

Although the foregoing describe detailed description of the invention of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.

Claims

1. the scan-data conversion equipment of a Quick Response Code, comprise one for scanning the Quick Response Code probe of Quick Response Code, an a CPU and YUV turns MIPI chip, it is characterized in that, described YUV turns 16 input interfaces that MIPI chip has the scan-data for receiving described Quick Response Code probe, the least-significant byte input interface that described Quick Response Code probe and described YUV turn MIPI chip is electrically connected, described YUV turns the most-significant byte input interface ground connection of MIPI chip, and described YUV turns MIPI chip and is electrically connected with described CPU.

2. scan-data conversion equipment as claimed in claim 1, it is characterized in that, described Quick Response Code probe is a black and white camera.

3. scan-data conversion equipment as claimed in claim 1 or 2, it is characterized in that, described YUV turns MIPI chip and described CPU is positioned on same pcb board.

4. a mobile terminal, is characterized in that, comprises as the scan-data conversion equipment in claim 1-3 as described in any one.

5. mobile terminal as claimed in claim 4, it is characterized in that, described Quick Response Code probe is located on the backboard of described mobile terminal.

6. the mobile terminal as described in claim 4 or 5, is characterized in that, described Quick Response Code probe is the camera of described mobile terminal.