Software Requirements Specification. Smart Doorbell. for. Version 1.0 approved. Prepared by Shriya Shah & Umang Ajmera LDRP-ITR

Transcription

1 Software Requirements Specification for Smart Doorbell Version 1.0 approved Prepared by Shriya Shah & Umang Ajmera LDRP-ITR

2 Software Requirements Specification for Smart Doorbell Page ii Table of Contents Table of Contents... ii Revision History... ii 1. Introduction Purpose Product Scope References Overall Description Product Perspective Product Functions User Classes and Characteristics Operating Environment Design and Implementation Constraints Dependencies External Interface Requirements User Interfaces Hardware Interfaces Software Interfaces Communications Interfaces System Features Automatic Photo Capture Real Time Notifications Other Nonfunctional Requirements Performance Requirements Safety Requirements Security Requirements Software Quality Attributes Other Requirements Software Requirements Hardware Requirements. 5 Appendix A: Glossary...5 Appendix B: Analysis Models...5 Revision History Name Date Reason For Changes Version Initial Document 23/7/

3 Software Requirements Specification for Smart Doorbell Page 1 1. Introduction 1.1 Purpose The following documentation is to brief about a prototype of a Smart Doorbell. Identify ambiguities, inconsistencies, and incompleteness from a requirements specification Identify and state functional requirements Identify and state non-functional requirements 1.2 Product Scope This application is very useful for security purpose. It helps you to keep an eye on those who keeps an eye on you. Besides being user-friendly and cost efficient, it is multi-applicative. 1.3 References We have referred the following sites for developing the application Overall Description 2.1 Product Perspective The product is a stand-alone application which can be used in any part of the home, office, or other buildings for security purpose. There are some products available in the market which resemble this product, but there are more features added to this such as a PIR sensor which senses the presence and capture images of the object which causes motion, saving the images to drive for further reference, accessing the system even when we are far away from it. Below are shown some of the main components used in the product.

4 Software Requirements Specification for Smart Doorbell Page Product Functions Sense the presence Capture image Save it to the drive Notify the user 2.3 User Classes and Characteristics Home automation: This feature helps in electronically managing the entry of each person who visits the house and also maintain their data. As a result, even if nobody is present in the home we can know who visited us at that time. Security System: This feature highlights the safety purpose. The system captures an image of the object the passes by the sensor. As a result, if there is someone who is trying to keep an eye on your house will be caught without his knowledge. 2.4 Operating Environment The product works on a microprocessor Raspberry Pi version 3.0 which has a Raspbian OS along with a PIR Sensor, Web Camera, some jumper cables, a display screen and is linked with drive to store images. 2.5 Design and Implementation Constraints The system may face a constraint of image redundancy where it can get same pictures of a person using up the memory on the drive where they are stored. Also, the sensor detects motion and not human, so there are chances that some non-human moving object causes the whole process which will be in vain. 2.6 Dependencies The product is entirely based on the connection with the router, so if there is any problem with the router, the product may not work properly.

5 Software Requirements Specification for Smart Doorbell Page 3 3. External Interface Requirements 3.1 User Interfaces The user will use this product for security purpose. The user will be registered in the system to get notification of an intruder being present around the sensor through SMS/ along with an image of the intruder who s link will be appended in the notification. 3.2 Hardware Interfaces First hardware that interacts will be the sensor, which will sense the motion. If the constraints are satisfied, the system will trigger the automation of camera which will capture the image of the object causing movement. Also, after this, the system will send and store the image of an intruder in the drive automatically and notify the user. 3.3 Software Interfaces Programming of the product is done in Python language. Hence it needs some of the libraries of Python. 3.4 Communications Interfaces The system is linked with a drive which saves the images that are captured by the system. Also, the users are registered on the system, which will send them a notification of an intruder being present. The notification will be through SMS and as well. 4. System Features The following shows the important features of the product: 4.1 Automatic Photo Capture Description and Priority When the sensor module detects anyone standing in front of the device for more than 10 seconds, it immediately triggers a photo capture sequence. It is a high priority feature as it forms a basis for other features to work Stimulus/Response Sequences As and when the photo is captured, the python code to store this picture onto the cloud storage executes and is then stored on the cloud. The notification module then sends the required generated link to the registered mobile device Functional Requirements REQ-1: All required python libraries installed REQ-2: Predefined Resolution of images

6 Software Requirements Specification for Smart Doorbell Page Real-Time Notifications Description and Priority Once stored onto the cloud, the notification module comes into picture where it uses the necessary API keys to authenticate and send the notification with the link to an image. It is also a high priority feature as this is the primary objective of this project Functional Requirements REQ-1: API and Secrets Keys registered for cloud access REQ-2: Device connected to the internet for real-time notifications 5. Other Nonfunctional Requirements 5.1 Performance Requirements The only thing that the system requires is motion. Hence to fulfill the security aspect, movement of the object which is considered susceptible is necessary. 5.2 Safety Requirements As the product has many hardware parts, it will be advisable to keep them away from water, direct sunlight or any such thing that can damage the product. 5.3 Security Requirements Images will be stored on a drive. Hence in order to save those from being manipulated by others, it is advisable to keep the username and password of the drive being used, safe. 5.4 Software Quality Attributes The product is a multi-purpose application. Easy to maintain and is portable. Also, it is redundant, as it gets the image only when motion is sensed, saving the rest of space stored by the pictures.

7 Software Requirements Specification for Smart Doorbell Page 5 6. Other Requirements 6.1 Software Requirements: A Remote Desktop Client Putty/Remote Desktop Connection Advanced IP Scanner To view the IP address assigned to the Raspberry Pi Setting up Static IP 6.2 Hardware Requirements: A power supply (Max 5V) Recommended Portable Battery A speaker for ringing the bell (Demonstrative) Appendix A: Glossary SMS => Short Message Services => Electronic mail A Wi-fi Dongle for wireless connectivity Appendix B: Analysis Models 1. Use Case Diagram Figure 1.1

8 Software Requirements Specification for Smart Doorbell Page 6 2. Activity Diagram ACTIVITY DIAGRAM FOR SMART DOORBELL Figure 2.1

9 Software Requirements Specification for Smart Doorbell Page 7 ACIVITY DIAGRAM FOR NOTIFICATION MODULE FIGURE 2.2

10 Software Requirements Specification for Smart Doorbell Page 8 3. Sequence Diagram SEQUENCE DIAGRAM FOR SMART DOORBELL FIGURE 3.1