software requirement analysis for digital watch...
TRANSCRIPT
![Page 1: Software Requirement Analysis for Digital Watch Systemdslab.konkuk.ac.kr/Class/2019/19SE/TEAM_B/p1/[T1]SRA_v2.pdf · 2019-11-07 · DS Lab Team 1 1.2.2 제안사항 HW(손목시계)와](https://reader033.vdocuments.mx/reader033/viewer/2022042007/5e705e6bc9eeac67de55ac91/html5/thumbnails/1.jpg)
Ver.DS-2019.Team1.DWS.SRA
Team 1 DWS.SRA 2.0 Team 1
Software Requirement Analysis
for Digital Watch System
Project Team
Team 1
Date
2019 – 11 - 05
Team Information
201811244 김창엽
201811253 박경래
201811264 변장훈
201811287 장명근
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Ver.DS-2019.Team1.DWS.SRA
Team 1 DWS.SRA 2.0 Team 1
Table of Contents
1 Introduction 6
1.1 Purpose 6
1.2 Scope 6
1.2.1 개발팀 6
1.2.3 제품의 활용도 6
1.2.4 개발환경 6
2 Overall Description 7
2.1 Product Perspective 7
2.2.1 Date-Time 7
2.2.2 Stopwatch 7
2.2.3 Backlight 7
2.2.4 Alarm 7
2.3 User characteristics 8
2.4 Constraints 8
2.5 Assumptions and dependencies 8
3 Structured Analysis 9
3.1 System Context Diagram 9
3.1.1 Basic System Context Diagram 9
3.1.2 Event List 9
3.1.3 The System Context Diagram 10
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Ver.DS-2019.Team1.DWS.SRA
Team 1 DWS.SRA 2.0 Team 1
3.2 Data Flow Diagram 11
3.2.1 DFD level 0 11
3.2.1.1 DFD 11
3.2.1.2 Process Specification 12
3.2.1.2.1 Process 0 12
3.2.2 DFD Level 1 12
3.2.2.1 DFD 12
3.2.2.2 Process Specification 13
3.2.2.2.1 Process 1 13
3.2.2.2.2 Process 2 13
3.2.3 DFD Level 2 13
3.2.3.1 DFD 13
3.2.3.2 Process Specification 14
3.2.3.2.1 Process 1.1 14
3.2.3.2.2 Process 1.2 14
3.2.3.2.3 Process 1.3 15
3.2.3.2.4 Process 1.4 15
3.2.3.2.5 Process 1.5 15
3.2.4 DFD Level 2 16
3.2.4.1 DFD 16
3.2.4.2 Process Specification 16
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Ver.DS-2019.Team1.DWS.SRA
Team 1 DWS.SRA 2.0 Team 1
3.2.4.2.1 Process 2.1 16
3.2.4.2.2 Process 2.2 17
3.2.4.2.3 Process 2.3 17
3.2.4.2.4 Process 2.4 17
3.2.4.2.5 Process 2.5 18
3.2.4.2.6 Process 2.6 18
3.2.5 DFD Level 3 19
3.2.5.1 DFD for Mode Controller 2.1.1 19
3.2.5.2 DFD for Light Controller 2.2.1 19
3.2.5.3 DFD for Alarming Controller 2.3.1 20
3.2.5.4 Process Specification 20
3.2.5.4.1 Process 2.1.1 20
3.2.5.4.2 Process 2.1.2 21
3.2.5.4.3 Process 2.1.3 21
3.2.5.4.4 Process 2.1.4 21
3.2.5.4.5 Process 2.1.5 22
3.2.5.4.6 Process 2.1.6 22
3.2.5.4.7 Process 2.1.7 23
3.2.5.4.8 Process 2.1.8 23
3.2.5.4.9 Process 2.1.9 23
3.2.5.4.10 Process 2.1.10 24
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Ver.DS-2019.Team1.DWS.SRA
Team 1 DWS.SRA 2.0 Team 1
3.2.5.4.11 Process 2.1.11 24
3.2.5.4.12 Process 2.1.12 25
3.2.5.4.13 Process 2.1.13 25
3.2.5.4.14 Process 2.1.14 26
3.2.5.4.15 Process 2.1.15 26
3.2.5.4.16 Process 2.1.16 27
27
3.2.5.4.17 Process 2.2.1 27
3.2.5.4.18 Process 2.2.2 27
3.2.5.4.19 Process 2.2.3 28
3.2.5.4.20 Process 2.3.1 28
3.2.5.4.21 Process 2.3.2 28
3.2.5.4.22 Process 2.3.3 29
3.2.5.5 State Transition Diagram for Mode Controller 2.1.1 29
3.2.5.6 Data Dictionary for Mode Controller 2.1.1 30
3.2.5.7 State Transition Diagram for Light Controller 2.2.1 30
3.2.5.8 Data Dictionary for Light Controller 2.2.2 31
3.2.5.9 State Transition Diagram for Alarming Controller 2.3.1 31
3.2.5.10 Data Dictionary for Alarming Controller 2.3.1 31
3.2.6 Overall DFD 32
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Ver.DS-2019.Team1.DWS.SRA
Team 1 DWS.SRA 2.0 Team 1
1 Introduction
1.1 Purpose
Digital Watch System 에서 사용할 수 있는 SW 를 구현하기 위한 요구사항을 명세한
문서이다.
1.2 Scope
1.2.1 개발팀
DS Lab Team 1
1.2.2 제안사항
HW(손목시계)와 연동을 고려하지 않고 SW 로만 구동할 수 있도록 한다.
1.2.3 제품의 활용도
개발이 완료된 후 실제 손목시계의 SW 를 개발하기 위한 프로토타입으로 삼을 수 있다.
1.2.4 개발환경
IDE: Eclipse, Text Editor (Vi)
Complier: GCC (MinGW, Cygwin)
1.3 Definition, acronyms, and abbreviations
SW: Software
HW: Hardware
1.4 Reference
IEEE Std. 830-1998
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Ver.DS-2019.Team1.DWS.SRA
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1.5 Overview
2 Overall Description
2.1 Product Perspective
대상 제품은 실제 손목시계에 사용될 수 있는 제품이 될 수 있다.
HW(버튼)에 의한 동작을 처리하고, 처리한 결과는 HW(화면)에 출력한다.
실제 HW 에 의한 동작은 SW 및 console 화면으로 처리하여 기능의 동작 유무를 확인하도록
한다.
시계 HW 는 4 개의 버튼과 LCD 화면을 가진 것으로 한다.
2.2 Product functions
2.2.1 Date-Time
화면에 일자와 시간을 표시한다.
오후 시간 표시는 24 시로 표현한다.
2.2.2 Stopwatch
시간의 경과를 알려주고, 특정 순간의 시각을 알려준다.
1/100 초 단위로 측정이 가능하다.
Lap time 기록이 가능하다.
2.2.3 Backlight
출력하는 문자의 색깔을 노란색으로 표시한다.
2.2.4 Alarm
Alarm 이 설정되면 Alarm Indicator 가 켜진다.
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Ver.DS-2019.Team1.DWS.SRA
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정해놓은 시간에 소리(beep 음)로 알려준다.
알람은 5 초간 울린다.
알람이 울릴 때 A, B, C, D 중 아무 버튼을 누르면 소리가 켜진다.
2.3 User characteristics
2.4 Constraints
날짜의 표기법은 ‘월-일’이다.
초기 시간은 2019 년 01 월 01 일 00 시 00 분 00 초이다.
2019-01-01 부터 2099-12-31 까지 표기가 가능하다.
2.5 Assumptions and dependencies
버튼 입력은 키보드 입력으로 대신한다.
버튼이 여러 개 입력되었을 때 우선순위는 D > C > B > A 이다.
시간을 수정할 때 선택된 부분이 깜빡이는 표현은 숫자 밑에 밑줄을 표시하는 것으로
대체한다.
Backlight 는 실제 시계의 경우 LED 를 켜는 것으로 구현되어야 하지만 출력되는 문자의
색을 바꾸는 것으로 대체한다.
알람음은 PC 의 BEEP 으로 대체한다.
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Ver.DS-2019.Team1.DWS.SRA
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3 Structured Analysis
3.1 System Context Diagram
3.1.1 Basic System Context Diagram
3.1.2 Event List
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3.1.3 The System Context Diagram
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3.2 Data Flow Diagram
3.2.1 DFD level 0
3.2.1.1 DFD
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3.2.1.2 Process Specification
3.2.1.2.1 Process 0
3.2.2 DFD Level 1
3.2.2.1 DFD
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Ver.DS-2019.Team1.DWS.SRA
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3.2.2.2 Process Specification
3.2.2.2.1 Process 1
3.2.2.2.2 Process 2
3.2.3 DFD Level 2
3.2.3.1 DFD
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3.2.3.2 Process Specification
3.2.3.2.1 Process 1.1
3.2.3.2.2 Process 1.2
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3.2.3.2.3 Process 1.3
3.2.3.2.4 Process 1.4
3.2.3.2.5 Process 1.5
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3.2.4 DFD Level 2
3.2.4.1 DFD
3.2.4.2 Process Specification
3.2.4.2.1 Process 2.1
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3.2.4.2.2 Process 2.2
3.2.4.2.3 Process 2.3
3.2.4.2.4 Process 2.4
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3.2.4.2.5 Process 2.5
3.2.4.2.6 Process 2.6
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3.2.5 DFD Level 3
3.2.5.1 DFD for Mode Controller 2.1.1
3.2.5.2 DFD for Light Controller 2.2.1
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3.2.5.3 DFD for Alarming Controller 2.3.1
3.2.5.4 Process Specification
3.2.5.4.1 Process 2.1.1
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3.2.5.4.2 Process 2.1.2
3.2.5.4.3 Process 2.1.3
3.2.5.4.4 Process 2.1.4
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3.2.5.4.5 Process 2.1.5
3.2.5.4.6 Process 2.1.6
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Ver.DS-2019.Team1.DWS.SRA
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3.2.5.4.7 Process 2.1.7
3.2.5.4.8 Process 2.1.8
3.2.5.4.9 Process 2.1.9
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3.2.5.4.10 Process 2.1.10
3.2.5.4.11 Process 2.1.11
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3.2.5.4.12 Process 2.1.12
3.2.5.4.13 Process 2.1.13
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3.2.5.4.14 Process 2.1.14
3.2.5.4.15 Process 2.1.15
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3.2.5.4.16 Process 2.1.16
3.2.5.4.17 Process 2.2.1
3.2.5.4.18 Process 2.2.2
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Ver.DS-2019.Team1.DWS.SRA
Team 1 DWS.SRA 2.0 Team 1
3.2.5.4.19 Process 2.2.3
3.2.5.4.20 Process 2.3.1
3.2.5.4.21 Process 2.3.2
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Ver.DS-2019.Team1.DWS.SRA
Team 1 DWS.SRA 2.0 Team 1
3.2.5.4.22 Process 2.3.3
3.2.5.5 State Transition Diagram for Mode Controller 2.1.1
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Ver.DS-2019.Team1.DWS.SRA
Team 1 DWS.SRA 2.0 Team 1
3.2.5.6 Data Dictionary for Mode Controller 2.1.1
3.2.5.7 State Transition Diagram for Light Controller 2.2.1
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Ver.DS-2019.Team1.DWS.SRA
Team 1 DWS.SRA 2.0 Team 1
3.2.5.8 Data Dictionary for Light Controller 2.2.2
3.2.5.9 State Transition Diagram for Alarming Controller 2.3.1
3.2.5.10Data Dictionary for Alarming Controller 2.3.1
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Ver.DS-2019.Team1.DWS.SRA
Team 1 DWS.SRA 2.0 Team 1
3.2.6 Overall DFD