ECE493 Senior Advanced Design Project II

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ECE-493 Senior Advanced Design Project II

• Design of A Remote Control System for Controlling
  Home Appliances Via Telephone

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An Overview of the Presentation

• Introduction
• Overview of the system and its components
• Functions of the System
• How the System Works
• Sayed, Software Design of the Micro-controller,
  68HC11
• Ahmed, Voice Chip, DTMF Decoder
• Hamed, Data Access Arrangement, and Relays
• Questions

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Introduction

• Group Members
• Hamed Alsaleh
• Ahmed Alnajadah
• Sayed T. Zewari
• Advisor Professor Kenneth J. Hintz

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Overview of the system and its componentsFunction
s of the System

• Turns on/off three electric devices.
• Require a four digit PIN number
• Allow user to change PIN number
• Confirm change of PIN number
• Provide voice messages to inform user of
• Menu Options available
• If the system needs to inform the user
• Provide security to prevent break ins into the
  system

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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
Please enter your PIN
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
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Overview of the system and its componentsHow the
System Works ?
0 0 0 1
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Overview of the system and its componentsHow the
System Works ?
0 0 0 1
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Overview of the system and its componentsHow the
System Works ?
0 0 0 1
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Overview of the system and its componentsHow the
System Works ?
0 0 0 1
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Overview of the system and its componentsSample
of Software Modules
Detect_count_offhook() Play_MESSAGE_1() Verify_pin
() Get_the_choice_for_PIN() Change_pin() Confirm_c
hange_of_pin() Execute_the_commands() Stop_playi
ng_messages() Get_the_choice_for_status() Status_
of_devices() Play_Menu() Play_MESSAGE_10() . .
. Play_MESSAGE_17() Turn_on_Device1() Turn_off_D
evice1() Hang_up() Play_if_Device1_on() Play_if
_Device1_off() Play_inform_the_user() Play_STATU
S_OF_DEVICES()
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Overview of the system and its componentsSample
of Software Modules
Detect_count_offhook() Play_MESSAGE_1() Verify_pin
() Get_the_choice_for_PIN() Change_pin() Confirm_c
hange_of_pin() Execute_the_commands() Stop_playi
ng_messages() Get_the_choice_for_status() Status_
of_devices() Play_Menu() Play_MESSAGE_10() . .
. Play_MESSAGE_17() Turn_on_Device1() Turn_off_D
evice1() Hang_up() Play_if_Device1_on() Play_if
_Device1_off() Play_inform_the_user() Play_STATU
S_OF_DEVICES()
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Overview of the system and its componentsHow the
System Works ?
Total Number of functions 34 Total pages
of codes 30 Size of program 9
kb Programming method Polling Development
Tool Introl CODE
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Overview of the system and its componentsFinal
Product
You are welcome to try it !
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Voice Chip (ISD 25120A) What is Voice Chip?

• 120 sec
• EEPROM
• A/D D/A

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Voice Chip (ISD 25120A) Recording on Voice Chip?
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Voice Chip (ISD 25120A) Playing Voice Chip?
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Voice Chip (ISD 25120A) Voice Menu

• Please enter the PIN
• Choose from the following menu
• PRESS 1 to turn on Device No. 1.
• PRESS 2 to turn off Device No. 1.
• PRESS 3 to turn on Device No. 2.
• PRESS 4 to turn off Device No. 2.
• PRESS 5 to turn on Device No. 3.
• PRESS 6 to turn off Device No. 3.
• To disconnect please PRESS the star key.
• The PIN you entered is invalid, Please try again.
• Please make your selection or hang up.
• Do you want to change your PIN number? If yes
  PRESS 1. If no PRESS 2.
• Please enter your new PIN number.
• Please confirm your new PIN by entering it again.
• Your PIN has been successfully changed.
• Please enter your PIN again. The PIN should be
  entered within the time allowed.
• PRESS 8 to hear the menu.
• PRESS 9 to check the status of devices or PRESS 0
  to hear the menu.
• Please try again later, good bye.

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DTMF Decoder (M-8870-01)What is DTMF Signal ?
Dual Tone Multiple Frequencies (DTMF)
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DTMF Decoder (M-8870-01)What is DTMF Decoder ?
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Data Access Arrangement Chip (CH1837A)
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Data Access Arrangement Chip (CH1837A)
Main Features Ring Detection Circuit
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Data Access Arrangement Chip (CH1837A)
Main Features On/Off Hook Switch
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Data Access Arrangement Chip (CH1837A)
Main Features Conversion Circuit
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Data Access Arrangement Chip (CH1837A)
Main Features PSTN Line Surge and High Voltage
Protection 2122 Volt Peak Surge Protection 1500
VAC RMS Isolation
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Solid State Relays (S101N11)
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Solid State Relays (S101N11)
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Questions ?
Please feel free to ask Questions
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Overview of the system and its componentsTesting
Procedures
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Overview of the system and its componentsTesting
Procedure
Interface between MCU and Voice Chip
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Overview of the system and its componentsTesting
Procedure
Interface between MCU and DTMF Decoder
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Overview of the system and its componentsTesting
Procedure
Interface between MCU and DAA
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Overview of the system and its componentsTesting
Procedure
Interface between MCU, DAA, Voice Chip
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Overview of the system and its componentsTesting
Procedure
Interface between MCU and Solid State Relays
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Overview of the system and its componentsTesting
Procedure
Interface between all Components of the System
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(No Transcript)
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Overview of the system and its componentsFuture
Options ?
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Overview of the system and its componentsPlaying
Message ?
/------------------------------------------------
-Start-of-function--------------------------------
-----------------------------/ void
Play_Menu(void) _H11DDRC
ALL_PINS_HIGH / configure all pins of PORT C
as output / _H11PORTB MESSAGE_2_TO_9
/ sets the address of the MESSAGE_2_TO_9 on
PORT B / _H11PORTC PC1_LOW / sets
pd of voice chip low by making PC(1) low /
_wait() _H11PORTC PC0_PC1_LOW / sets
the pin CE_bar of voice chip low by making PC(0)
low to start playing / _wait()
_H11PORTC PC0_HIGH / sets the pin CE_bar
of voice chip high to prevent playing all
messages / /------------------------
-------------------------End-of-function----------
--------------------------------------------------
---/