Specification and Design of Video Chat Controller

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Presentation transcript:

Specification and Design of Video Chat Controller Project Presentation Ye Tian Chunhua Li EECS 488 - Embedded Systems Professor: Dr.Papachristou

Content Introduction System Functional Description System Specification Components Specification Feasibility Study Controller Analysis Simulation and Testing EECS 488 - Embedded Systems Professor: Dr.Papachristou

System Functional Description Basic phone functionalities (Mode 1) Like any other phones, it can transfer voice messages over standard telephone lines. Answer machine functionalities (Mode 2) Not Like other answer machines, it can save both voice messages and video messages in memory. The message stored in the memory can be traced. Video transmission (Mode 3) Continuous high-speed transmission of entire monitored scenes. EECS 488 - Embedded Systems Professor: Dr.Papachristou

System specification EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification Memory Unit Compact Flash 64MB Memory Card (Crucial) Audio Process Unit Microphone  AD  Audio Compression Decompression  DA  Speaker SONY - Omni directional Microphone Motorola DSP’s 24-bit DSP56321T Shihpei speaker EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification Cont’ Video Process Unit Camera  Image Compression Decompression  LCD Display V-1245 1/4" color board camera (CCD) MC149570 Multi-Standard Video Processor LCD: Model # ED10020TRU (Emerging Display Technologies). Network Internet Unit APTIVA 56K MODEM ISA (IBM) Control Unit EECS 488 - Embedded Systems Professor: Dr.Papachristou

Feasibility Study Memory Unit Audio Process Unit Video Process Unit Compact Flash 64MB Memory Card (Crucial) $ 34.19 Audio Process Unit Omni directional Microphone (SONY) $ 9.58 Digital audio processor : DAP-712i (Miranda) $ 30.99 S-15B11 speaker (Shipei ) $ 5.16 Video Process Unit V-1245 1/4" color board camera (CCD) $ 55.00 DSP56321T (Motorola) $ 15.00 LCD: Model # ED10020TRU (Emerging Display). $ 43.00 Network Internet Unit APTIVA 56K MODEM ISA (IBM) Control Unit Engineer Design Cost $ 4.50 Manufacturing Costs $ 7.50 Others Other parts $50.00 Total Price $270.92

Components Specification - Control Units Software design Using UML Socket programming using Java Hardware level programming using C Memory Management Software Simulation and Testing using Java & C PC based simulation Peer to peer GUI program Connect C with Java by JNI EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Use case diagram EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Sequence Diagram-Receiving EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Sequence Diagram-Answer machine (1) EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Sequence Diagram-Answer machine (2) EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Sequence Diagram-Recording EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Sequence Diagram-Buttons EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Sequence Diagram-Sending/Talking EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Class Diagram-Receiving EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Class Diagram-Answermachine EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Class Diagram-Announcement EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Class Diagram-Recording EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Class Diagram-Buttons EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units UML Design Cont’ Class Diagram-Sending/Talking EECS 488 - Embedded Systems Professor: Dr.Papachristou

Components Specification - Control Units Design Cont’ System Analysis Unit 1 Unit 2 Unit n Control Unit Unit 3 … Unit 4 EECS 488 - Embedded Systems Professor: Dr.Papachristou

PC Based Simulation and Testing Port deification port 1255 :phone call (Mode 1) port 1256: answer machine (Mode 2) port 1257: video transmission (Mode 3) EECS 488 - Embedded Systems Professor: Dr.Papachristou

PC Based Simulation and Testing Java Interface-Control Panel   EECS 488 - Embedded Systems Professor: Dr.Papachristou

PC Based Simulation and Testing Peer to peer both can be client and server Socket Programming audio message transmission video message transmission command message transmission R/W memory memory management EECS 488 - Embedded Systems Professor: Dr.Papachristou