(硕士论文)基于USB接口的数据采集系统设计(3)

2021-04-06 00:20

USB接口

AbStract

Title:DATA

ACQUISITIONSYSTEM

BASEDONUSBINTERFACE

DESIGN

Major:Technology&Instrumentation

Name:Chao

ofTestingandMeasuring

Wu

SignatureSignature

Supervisor:Prof.ZonghaiGao

fieldsofmodem

industrialwithUSB

and

Abstract

With

theincreasing

demands

on

dataacquisitionin

the

productions

and

scientificresearches,thesuperiorityofdata

acquisitionplatforms

obviousinsome

(Universal

Serial

Bus)interface

hasbecomemoreandmore

hi曲speed

lli曲precision

measurementsystemssuchastransientsignaldetectingandimageprocessing

systems.TheusageofUSB—baseddataacquisitioncardhasalreadybecome

present.

Thisthesisaimstoconstruct

dataacquisitioncard

prevalenceat

dataacquisition

platformbasedonUSBinterface.Firstly,a

MAX1166and

the

user

based

is

Oll

USBinterfacechipPDIUSBD12,A/Dchip

layers

microcontroller

corresponding

89C52

developed.Secondly,three

ofprograms,namely

MCUprogram

forcard,PCbuttomdriversforUSBinterface,andPC

applicationprogram

underVC++developmentenvironment

arc

developed,whichWindows

realize

bidirectionalcommunicationfromlowlayer

MCU

on

toPCbaesdOil

XPoperating

system.Finally,adataacquisitionplatformbased

Themainpartsofthisthesis

USBinterfaceisbuiltsucessfully.

comprisetwoimportant

contents,namely

based

on

hardware

and

software

design.The

based

hardwaredesignintroducestheclockcircuit

on

89C52,power

supplycircuit,A/Dacquisitioncircuitbasedinterfacecircuit

on

MAXl

166,keystrokeresetcircuit,USB

PDIUSBD12andserial

circuit.

The

software

design

introducesfirmwareXP

program

013

design

based

on

KEILdevelopment

environment,WINDOWS

This

thesislays

WDM

driverbasedMICROSOFT

DDK

and

on

debugusingVC.

SOFTICEtoolforthedriver.Finally,userapplication

design

isintrducedbased

solidfoundationforthefuturestudyand

projects

on

dataacquisition

systembasedonUSBinterface,whichachievesthepurposeofsubjectresearch.

Key

Words:USB,DataAcquisition,SoftwareandHardwareDesign


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