基于嵌入式指纹识别系统设计

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1、. v毕业设计毕业设计基于嵌入式指纹识别系统设计基于嵌入式指纹识别系统设计基于嵌入式指纹识别系统设计摘 要随着科技的蓬勃开展，人们越来越重视自己的个人隐私，由此个人身份识别的需求日益增加。由于指纹拥有独特的不变性，使得指纹识别技术与传统的身份识别方法相比起来，更加的平安和可操作，所以基于传统的身份识别技术的缺乏可以被克制，指纹识别日益被认可。基于指纹认证技术，指纹识别是一个重要手段，其历来通常在 PC 平台上运行，但随着现代社会的高速开展，指纹识别系统的需求不断提升，同时市场对便携性和易用性的要求更加走高，指纹产品正在朝着嵌入式技术的开展方向。本文首先介绍了指纹识别技术的研究目的与意义和市场需

2、求，并且给出了嵌入式指纹识别系统的原理，在通过对传统身份认证技术的优缺点进展适当分析后，进而提出了利用生物特征识别的身份认证方式，在它的根底上，设计并实现嵌入式指纹识别系统。同时提出了嵌入式指纹识别系统的体系架构，主要包括基于指纹模块的设计与实现和 MSP430F2370主控芯片的硬件电路、固件端 UART 驱动的实现。在嵌入式指纹识别系统的设计中，硬件方面采用具有性价比优势的 MSP430F2370芯片作为主控芯片和TA0701的指纹芯片，并为系统设计了相应的电源和 UART 接口电路，实现了嵌入式指纹识别系统硬件模块的设计。在软件方面，根据基于嵌入式的指纹识别系统的特点，本文设计的功能模块

3、包括初始化、注册、指纹处理、登录、删除和出错报警。使用 IAR EMBEDDED WORKBENCH 软件进展软件局部的调试。并将程序烧写到芯片中，使用串口调试软件 SS32_E666对软件运行过程中存在的问题进展监视，配合编译软件进展命令的姓 名： 邢 蓉 学 号： 12021043 班 级： 12 电气 1 专 业： 电气工程及其自动化 所在系： 自动化工程系 指导教师： 胡双喜 . v修改。设计并实现了基于嵌入式的高平安性、高性价比的指纹识别系统。关键字：指纹识别；嵌入式系统；UART；MSP430；TA0701BasedontheEmbeddedFingerprintSystem De

4、signABSTRACTABSTRACTWith the rapid development of technology, more and more people pay attention to their personal privacy, personal identification thereby increasing demand. Since the fingerprint has a unique invariant, so that fingerprint identification technology pared to traditional identificati

5、on methods together, more secure and operational, so based on the shortings of traditional identification technologies can be overe, fingerprint identification is increasingly being recognized. Based on fingerprint authentication technology, fingerprint recognition is an important tool, it has alway

6、s been generally run on PC platforms, but with the rapid development of modern society, the demand for fingerprint identification system on the rise, while the market for portability and ease of use requirements more higher, fingerprint products are moving in the direction of the development of embe

7、dded technology.This paper introduces the purpose and significance and market needs fingerprint recognition technology, and gives the principle of embedded fingerprint identification system, after the adoption of the advantages and disadvantages of traditional authentication techniques proper analys

8、is, and further proposed the use of biometrics authentication mode, in which, based on the design and implementation of embedded fingerprint identification system.Also proposed architecture embedded fingerprint identification system, including fingerprint module based design of hardware circuit, fir

9、mware side implementation and MSP430F2370 master chip UART driver implementations. In the design of embedded fingerprint identification . vsystem, the hardware used has a cost advantage of MSP430F2370 chip as the main chip and fingerprint TA0701 chip and system design of the appropriate power and UA

10、RT interface circuit, embedded fingerprint identification system hardware module design. In terms of software, based on based on the characteristics of embedded fingerprint identification system, this paper designed function modules, including initialization, registration, fingerprint processing, lo

11、g in, delete, and error alarm. Use IAR EMBEDDED WORKBENCH software debugging software section. And programmed into the chip using serial debugging software SS32_E666 the software running the problems of monitor, modify, pile with software mands. We designed and implemented based on the embedded high