By: Justin E. Klumpp & Leo L.S. Wan HOME CONTROL SYSTEM By: Justin E. Klumpp & Leo L.S. Wan

Base Microcontroller Motorola 9S12DP256B Bus Frequency at 24MHz Memory 256k bytes Flash 12k bytes RAM 4k bytes EEPROM

Kernel Choice MicroC/OS-II Real-Time preemptive multitasking kernel Semaphores used to communicate between tasks Tick period, 1ms

Kernel Tasks & Priority StartTask Priority:4 ControlTask Priority:5 RTCTask Priority:6 DAATask Priority:7 SCITask Priority:8 KeyTask Priority:9

StartTask Description: Initializes MicroC/OS and creates the other tasks during startup Priority: 4 Period: Executes once at startup Execution Time: 150ms estimated

ControlTask Description: This task controls all remote modules and intertask communication. It interprets all user’s command, phone line termination, sprinkler control, DTMF input, and User Interface control. Priority: 5 Execution Time: 4ms (max) Period: 10 ms (Periodic) CPU Load: 0.4

RTCTask Description: Receive real time data from the DS1305 real time clock. Priority: 6 Execution Time: 35 us Period: 1 second (Periodic) CPU Load: 0.000035

DAATask Description: This task will scan the RING pin on the DAA chip for valid ring signals Priority: 7 Execution time: 50us Period: 20ms CPU Load: .0025

SCITask Description: Poll the SCI Receive Data Register Full (RDRF) flag, once flag is set, SCI clocks in data into a buffer. Priority: 8 Execution Time: 50us. Period: 10 ms (Periodic) CPU Load: 0.005

KeyTask Description: The main keypad scanning task. It scans the keypad and updates the keypad buffer if a key press was verified. Priority: 9 Period: 10ms Execution Time: 50us CPU Load: 0.005 Code Composed by: Todd Morton

Total CPU Load Max CPU Load: 0.4 + 0.000035 + 0.0025 + 0.005 + 0.005 = 0.412535 Average CPU Load: 0.25

Base Control Software Modules Tasks Public Functions and Data Main.c DAATask RTCTask StartTask ControlTask VoiceCtrl.c VoiceInit() PlayMSG() LCD.c Code Composed By: Todd Morton LcdInit() LcdClrDisp() LcdMoveCursor() LcdDispStrg() LcdDispChar() LcdDispTime() LcdCursor() Key.c KeyTask KeyInit() KeyPend()

Base Control Software continued…. Modules Tasks Public Functions and Data EEProm.c Code Composed By: Todd Morton EEPROMInit() EESectModify() SCI_Driver.c SCITask ReadSCI() WriteSCI() InitSCI() DTMF.c DTMFInit() DTMFWrite() DTMFRead() UI.c TimeSet() PhoneSet() AlarmSet() UIMenu() SPI_driver.c Jon Peterson ReadSPI() WriteSPI() InitSPI()

LCD Flow Diagram UI.c Public Function(s) LCD Driver LCD I/O LcdInit() LcdDispStrg() TimeSet() LcdDispChar() Lcd() PhoneSet() LcdMoveCursor() LcdCursor() AlarmSet() LcdDispTime() UIMenu() LcdClrDisp()

Keypad Flow Diagram Keypad I/O Public Function(s) Keypad Driver 10msec KeyTask() KeyInit() Key.buffer KeyPend() KeyCode Table Key.flag

Control Task Flow Diagram Awaiting Flags Functions to Call Control Task TimeSet() KeyPend() PhoneSet() AlarmSet() 10msec TimePend() UIMenu() ControlTask() SCIPend() PlayMSG() DTMFWrite() RingPend() EESectModify() DTMFRead() WriteSCI() LcdDispTime()

MCU: Control Modules MCU: PSoC CY8C29466 Operating Voltage: 5 volts Clock Frequency: 6 MHz Microcontroller will only run one continuous task so no kernel is required Memory, MCU #1 (Bytes): 25 RAM, 1042 ROM Memory, MCU #2 (Bytes): 20 RAM, 904 ROM

Wireless Alarm Software Modules Tasks Public Functions and Data Main.c AlarmTask Sleep_ISR.c tx8.inc From the TX8 Library on PSoC Designer Software TX8_Start() TX8_bReadTxStatus() TX8_SendData() m8c.inc From the m8c Library on PSoC Designer Software M8C_ClearWDTAndSleep()

AlarmTask Description: Send a byte of data at a rate of 300bps. The byte of data contains the current state of the alarm sensor, and a unique alarm ID number. Period: Runs on a sleep timer that wakes up every second Execution time: ~1us CPU Load: 0.000001

ISR: Sleep Timer Description: This timer is used to put the Microcontroller into a sleep mode, where the current consumption on the PSoC is ~2.9uA. Execution Time: ~1us Period: 1 second CPU Load: 0.000001

Data Flow Diagram: ISR Sleep Timer Interrupt

Appliance Control Software Modules Tasks Public Functions and Data Main.c LightCtrlTask rx8.inc From the TX8 Library on PSoC Designer Software RX8_Start() RX8_bReadRxStatus() RX8_bReadRxData() timer8.inc From the Timer8 Library in PSoC Designer Software Counter8_Start() Counter8_WritePeriod() Counter8_WriteCompareValue()

LightCtrlTask Description: Polls on a valid data flag to be set, if set clocks in bits of data. Receive byte of data at 300bps; data contains control bits to turn on/off output pins. Controls the state of a relay; on or off. Execution time: ~1us Period: Continuous Operation CPU Load: 1