Code:
clear
DEFINE OSC 4
OSCCON.6 = 1 ' INTERNAL OSCILLATOR SELECT TO 4MHZ
OSCCON.5 = 1 ' DURING MEPROG CONFIGURATION, USE
OSCCON.4 = 0 ' OSCILLATOR INTIO2
' Define the USART registers
DEFINE HSER_BAUD 9600 'Hser baud rate
DEFINE HSER_CLROERR 1 'Hser clear overflow automatically
DEFINE HSER_SPBRG 25 'Hser spbrg init
DEFINE HSER_RCSTA 80h 'Hser receive status init
DEFINE HSER_TXSTA 20h 'Hser transmit status init
DEFINE HSER_BITS 8 'Use 8th bit for parit
PAUSE 1000 ' PAUSE FOR A SECOND, WAITING FOR SYSTEM TO ENERGIZE
' INITIALIZE PORT E
TRISE = %00000110 ; set PORTE
' INITIALIZE PORT D
LATD =%00000000 ' CLEAR DATA LATCHES
TRISD =%00001100 ' PORT D inputs/outputs
' INITIALIZE PORT C CONTAINS TX FOR COMMUNICATION TO LCD SCREEN
LATC =%00000000 ' CLEAR DATA LATCHES
TRISC =%00000110 ; set all PORTC
TXSTA =%00100000 ; SYNC = 0, TX ENABLED, BRGH = 0
RCSTA =%10000000 ; TX/RX ENABLED
BAUDCON.3 = 1 ; BRG16 = 1
SPBRGH =%00000000 ; SPBRG = 25
SPBRG =%00011001
PIE1.4 = 0 ; DISABLE TX INTERRUPT
SSPADD = $28 'I2C BRG
SSPSTAT.7 = 1
SSPCON1 = %00101000
I2C_COMM VAR PORTC.4
I2C_CLK VAR PORTC.3
ADDR1 VAR BYTE
CONT_SEND VAR WORD
ADDR1 = $50
' INITIALIZE PORT B
LATB =%00000000 'CLEAR DATA LATCHES
TRISB =%00001011 'RB2 IS CANTX, RB3 IS CANRX
INTCON2.7 = 1 'PORT B WEAK PULL UP DISABLE
'
' INITIALIZE PORT A
LATA =%00000000 ' CLEAR DATA LATCHES
TRISA =%11111111 ' PORT A ALL INPUTS
ADCON1 =%00111111 'ALL DIGITAL I/O
'PIN DEFINITION
ALARM1 VAR LATD.4 ' PIN 27 GENERAL ALARM
ALARM2 VAR LATD.5 ' PIN 28 BEACON ALARM
ALARM3 VAR LATD.6 ' PIN 29 FLASHER FAIL ALARM
ALARM4 VAR LATD.7 ' PIN 30 OPTIONAL OL ALARM
ALARM5 VAR LATB.4 ' PIN 37 POL ALARM1
ALARM6 VAR LATB.5 ' PIN 38 POL ALARM2
ALARM7 VAR LATB.6 ' PIN 39 POL ALARM3
ALARM8 VAR LATB.7 ' PIN 40 SPARE AT THE MOMENT (9/15/11)
SYSTEM_OK VAR LATD.0 'PIN 19
POL_ALARM_INPUT VAR PORTB.1 'PIN 34
POL_ALARM_INPUT2 VAR PORTC.1 'PIN 16
POL_ALARM_INPUT3 VAR PORTC.2 'PIN 17
PPC_INPUT VAR PORTB.0 'PIN 33
NUMBER_OUT VAR WORD
DIP_A0 VAR PORTA.0 ' DIPS SWITCH ON PORTA FOR NUMBER OF BEACONS
DIP_A1 VAR PORTA.1 ' DIP_AO WILL BE NUM_OF_BEACONS.Bit0
DIP_A2 VAR PORTA.2 ' ....
DIP_A3 VAR PORTA.3 ' DIP_A5 WILL BE NUM_OF_BEACONS.Bit5
DIP_A4 VAR PORTA.4
DIP_A5 VAR PORTA.5
DIP_B1 VAR PORTE.1
DIP_B2 VAR PORTE.2
'VARIABLE
WAIT_TIME VAR BYTE ' TIME DELAY VARIABLE LOST BEACON
X VAR BYTE ' VARIABLE FOR ROLLING THROUGH BEACONS
Y VAR BYTE ' VARIABLE FOR ROLLING THROUGH ALARM CONFIGURATION
NUM_OF_BEACONS VAR word[1] ' VARIABLE TO HAVE NUMBER OF BEACON STORED INTO IT
FLASH_STATE VAR BIT ' VARIABLE TO STORE THE STATE OF THE FLASH
' ON = 1 OFF = 0
STATUS_CHANGE VAR BIT ' VARIABLE BIT TO TELL THE CONTROLLER CHANGE HAS HAPPENED
TEMP_RXB0SIDH VAR BYTE ' TEMP BUFFER HIGH TO COMPARE THE REAL BUFFER TO
TEMP_RXB0SIDL VAR BYTE ' TEMP BUFFER LOW TO COMPARE THE REAL BUFFER TO
LED_ALARM var bit[65] ' CREATES 65 BITS, LABELED LED_ALARM[0-64]
LOST_ALARM VAR BIT[65] ' CREATES 65 BITS, LABELED LOST_ALARM[0-64]
FF_ALARM VAR BIT[65] ' CREATES 65 BITS, LABELED FF_ALARM[0-64]
NORMAL_BEACON VAR BIT[65] ' CREATES 65 BITS, LABELED NORMAL_BEACON[0-64]
NUM_OF_POLS VAR word
FFA_OK VAR BYTE
LOST_OK VAR BYTE
LED_OK VAR BYTE
COMM_OK VAR BYTE
HIGH ALARM1 ' START ALL ALARMS OFF
HIGH ALARM2
HIGH ALARM3
HIGH ALARM4
low ALARM5
LOW ALARM6
LOW ALARM7
LOW ALARM8
'***************** BEGINNING OF ECAN CONFIGURATION******************
CANCON=%10000000 ' Configuration Mode
while CANSTAT !=$80 ' Wait until Canstat is in Config Mode
PAUSE 10 ' Pause if not
WEND ' proceed
ECANCON =%00000000 ' Mode 0
' Baud Rate = 50bps @ 4 MHZ WITH 10 TQ
BRGCON1 =$03
BRGCON2 =$92
BRGCON3 =$02
' Setting up Receive Mask 0 register
RXM0SIDH =%10000000 ' 1'S IMPORTANT, 0'S WILL CHANGE
RXM0SIDL =%11100000
' Setting up Receive Filter 0 register
RXF0SIDH =%00000000 ' $004, STANDARD FOR BEACON TO CONTROLLER ID'S
RXF0SIDL =%10000000 ' $00C, $014, $01C...
CANCON=%00000000 ' NORMAL Mode
while CANSTAT !=$00 ' Wait until Canstat is in NORMAL Mode
PAUSE 10 ' Pause if not
WEND
'***************** END OF ECAN CONFIGURATION******************
'RECEIVE BUFFER 0 CONTROL REGISTER
RXB0CON.6 = 0 ' MEANS BUFFER 0 ONLY RECEIVES STANDARD ID'S
RXB0CON.5 = 1
'TRANSMIT BUFFER 0 INITIATE, USED FOR CALLING OUT TO BEACON
TXB0DLC =%00000001 ' LOAD DATA LENGTH, 1 BYTE
TXB0D0 =%01110111 ' DATA IS $77, MEANING "BEACON CHECK IN"
TXB0CON.0 = 1 ' LOW Priority
TXB0CON.1 = 0
'TRANSMIT BUFFER 1 INITIATE, USED TO SEND FLASHING SIGNAL
TXB1DLC =%00000001 ' LOAD DATA LENGTH, 1 BYTE
TXB1SIDH =%00000000 ' ID $000
TXB1SIDL =%00000000 ' ALL BEACON WILL ACCEPT THIS ID
TXB1CON.0 = 1 ' HIGHEST PRIORITY INSIDE CHIP
TXB1CON.1 = 1
'VARIABLE CONFIGURATION
STATUS_CHANGE = 1 ' START WITH CHANGE, MAKES LCD SCREEN DISPLAY SOMETHING
FLASH_STATE = 0 ' BEACONS STARTS OFF
TEMP_RXB0SIDH =%00000000 ' STARTING RECEIVE BUFFER ID $004
TEMP_RXB0SIDL =%10000000 ' FIRST BEACON WILL SEND ID $00C
'INITIATE NUM_OF_POLS
IF DIP_B2 = 0 AND DIP_B1 = 0 THEN 'DIP SETTINGS FOR AMOUNT OF POLS
NUM_OF_POLS = 0
ENDIF
IF DIP_B2 = 0 AND DIP_B1 = 1 THEN
NUM_OF_POLS = 1
ENDIF
IF DIP_B2 = 1 AND DIP_B1 = 0 THEN
NUM_OF_POLS = 2
ENDIF
IF DIP_B2 = 1 AND DIP_B1 = 1 THEN
NUM_OF_POLS = 3
ENDIF
'INITIATE NUM_OF_BEACONS
IF DIP_A0 = 0 THEN
NUM_OF_BEACONS.BIT0 = 0
ELSE
NUM_OF_BEACONS.BIT0 = 1
ENDIF
IF DIP_A1 = 0 THEN
NUM_OF_BEACONS.BIT1 = 0
ELSE
NUM_OF_BEACONS.BIT1 = 1
ENDIF
IF DIP_A2 = 0 THEN
NUM_OF_BEACONS.BIT2 = 0
ELSE
NUM_OF_BEACONS.BIT2 = 1
ENDIF
IF DIP_A3 = 0 THEN
NUM_OF_BEACONS.BIT3 = 0
ELSE
NUM_OF_BEACONS.BIT3 = 1
ENDIF
IF DIP_A4 = 0 THEN
NUM_OF_BEACONS.BIT4 = 0
ELSE
NUM_OF_BEACONS.BIT4 = 1
ENDIF
IF DIP_A5 = 0 THEN
NUM_OF_BEACONS.BIT5 = 0
ELSE
NUM_OF_BEACONS.BIT5 = 1
ENDIF
NUM_OF_BEACONS.BIT6 = 0
NUM_OF_BEACONS.BIT7 = 0
IF NUM_OF_BEACONS =%00000000 THEN
NUM_OF_BEACONS = 64
ENDIF
'**********************Read and clear RXBO*************************'
'IF RXB0D0 = %00000000 THEN ' SIMPLY READ THE BUFFER, it will flush itself
'PAUSE 1 ' DO NOTHING
'ELSE
'PAUSE 1 ' DO NOTHING
'ENDIF
'****************ALARM BIT CONFIGURATION************************
Y = 1 ' START AT FIRST BIT OF EACH ARRAY
WHILE Y <= NUM_OF_BEACONS ' ALL ALARMS FOR ALL BEACON MUST BE SET TO ZERO
LED_ALARM[X] = 0 ' 0 IS NO ALARM, 1 IS AN ALARM CONDITION
LOST_ALARM[Y] = 0
FF_ALARM[Y] = 0
NORMAL_BEACON[Y] = 1 ' NORMAL_BEACON = 1 IS GOOD, NORMAL_BEACON = 0
Y = Y + 1 ' MEANS THERE IS AN ALARM CONDITION
WEND ' CONTINUE WHEN ALL BEACONS ARE ASSIGNED
'*************INTERRUPT CONFIGURATION******************************
INTCON =%10100000 ' ENABLE GLOBAL INTERRUPT
' TIMER 0 INT ENABLED, FLAG LOW
ON INTERRUPT GOTO INTAWHAT
'**************TIMER0 CONFIGURATION
T0CON =%00000100 ' TIMER 0, 16BITS, PRESCALE 1:32, TIMER0 IS OFF
TMR0H =%10110000 ' CREATES .66 SECOND START TIME
TMR0L =%10000000
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$52,$30]
PAUSE 10
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$51]
PAUSE 10
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$00,"Point Lighting Corp"]
PAUSE 10
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$40,"Obstruction Lighting"]
PAUSE 10
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$14," Controller"]
PAUSE 10
PAUSE 2000
'$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
'$$$$$$$$$$$$$$$$$$$$$$$$____OPERATING CODE STARTS HERE_____$$$$$$$$$$$$$$$$$$
RXB0CON.7 = 0 ' CLEAR RECEIVE BUFFER 0 FULL BIT
T0CON.7 = 1 ' TURN ON TIMER0 JUST BEFORE MAIN PROGRAM
START_CHECK: ' STARTS THE BEACON CHECK SEQUENCE, first display info from last cycle
' RETURN TO HERE AFTER ALL BEACON HAVE BEEN CHECKED
TOGGLE SYSTEM_OK 'TOGGLE SYSTEM OK LED SO WE KNOW THE UNIT ISNT HUNG
IF POL_ALARM_INPUT != 1 and POL_ALARM_INPUT2 != 1 and POL_ALARM_INPUT3 != 1 AND ALARM1 != 0 AND ALARM2 !=0 AND ALARM3 !=0 AND ALARM4 != 0 THEN
HIGH alarm4 'TURN OFF POL ALARM
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$51]
PAUSE 10
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$00,"System Operational"]
PAUSE 10
'I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$40,"Beacons: ",NUM_OF_BEACONS, " "]
'PAUSE 10
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$40,"Beacons: "]
PAUSE 10
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE, str num_of_beacons\1]
PAUSE 10
if num_of_polS >0 THEN
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$14,"Obst Lights (OL): ", NUM_OF_POLS]
PAUSE 10
ENDIF
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Number of Alarms: 0"]
PAUSE 10
endif
HSEROUT [DEC 6777]
PAUSE 100
HSEROUT [DEC 6888]
IF POL_ALARM_INPUT = 1 OR POL_ALARM_INPUT2 = 1 OR POL_ALARM_INPUT3 = 1 THEN ' CHECK POL ALARMS
LOW ALARM4 'TURN ON POL ALARM
LOW ALARM1 'TURN ON GENERAL ALARM
goto DISPLAY_ERROR
ELSE
HIGH ALARM4
LOW ALARM5
LOW ALARM6
LOW ALARM7 'RESETING THE POL ARLARMS ON THE BOARD
ENDIF
IF ALARM2 != 0 AND ALARM3 != 0 AND ALARM4 != 0 AND ALARM5 != 1 AND ALARM6 != 1 AND ALARM7 != 1 AND ALARM8 != 1 THEN
HIGH ALARM1
ENDIF 'RESETING GENERAL ALARM ONLY IF NO OTHER ALARMS ARE ACTIVE
IF POL_ALARM_INPUT = 0 THEN 'POL 1 ALARM INPUT RESET TO PLC
HSEROUT [DEC 9981]
PAUSE 50
ENDIF
IF POL_ALARM_INPUT2 = 0 THEN 'POL 2 ALARM INPUT RESET TO PLC
HSEROUT [DEC 9982]
PAUSE 50
ENDIF
IF POL_ALARM_INPUT3 = 0 THEN 'POL 3 ALARM INPUT RESET TO PLC
HSEROUT [DEC 9983]
PAUSE 50
ENDIF
TXB0SIDH =%00000000 ' ID $000, RETURN TO STARTING TRANSMIT BUFFER 1 ID'S
TXB0SIDL =%00000000 ' ID LOW DOES NOT CHANGE
TEMP_RXB0SIDH =%00000000 ' STARTING RECEIVE BUFFER ID $000, WILL ALWAYS BE
' INCREMENTED TO $00C FOR FIRST BEACON
X = 1 ' STARTS AT FIRST BEACON
NEXT_CHECK:
WHILE X <= NUM_OF_BEACONS ' WHILE X IS LESS THEN OR EQUAL TO NUMBER OF BEACONS
TXB0SIDH = TXB0SIDH + 1 ' INCREMENT TX BUFFER TO NEXT BEACON ID
TEMP_RXB0SIDH = TEMP_RXB0SIDH + 1 ' INCREMENT TEMP RX BUFFER TO NEXT BEACON ID
TXB0CON.3 = 1 ' REQUEST TRANSMISSION ON BUFFER 0
WAIT_TIME = 250 ' 250 X PAUSE 12 = 3 SECOND
WHILE TEMP_RXB0SIDH != RXB0SIDH AND WAIT_TIME > 0 ' RECEIVE BUFFER 0 HAS A NEW MESSEGE FROM
RXB0CON.7 = 0 ' CLEAR RECEIVE BUFFER 0 FULL BIT
WAIT_TIME = WAIT_TIME - 1' DECREMENT COUNTER
PAUSE 10 ' 12 MILLISECOND PAUSE
WEND
' 3.0 SECOND HAS EXPIRE AND NO RESPONSE
if wait_time = 0 THEN
GOTO LOST_BEACON ' GOTO LOST BEACON
ENDIF
READ_DATA0: ' reads data from beacon
if RXB0D0 !=%00000000 THEN ' DATA INDICATES A BEACON NOT NORMAL
GOSUB BEACON_ALARM ' GOTO LED ALARM SUBROUTINE
ENDIF ' DATA0 WAS NORMAL (%00000000)
IF RXB0D0 =%00000000 AND NORMAL_BEACON[X] = 0 THEN ' BEACON IS NORMAL ANS IT WASN'T BEFORE
STATUS_CHANGE = 1 ' INDICATE THAT CHANGE HAS HAPPENED
LED_ALARM[X] = 0 ' 0 IS NO ALARM, 1 IS AN ALARM CONDITION
LOST_ALARM[X] = 0
FF_ALARM[X] = 0
NORMAL_BEACON[X] = 1 ' NORMAL_BEACON = 1 IS GOOD, NORMAL_BEACON = 0 BAD
ENDIF
RXB0CON.7 = 0 ' CLEAR RECEIVE BUFFER 0 FULL BIT
X = X + 1 ' INCREMENT COUNTER X
GOTO NEXT_CHECK ' CHECK NEXT BEACON X LESS THEN NUM_OF_BEACONS
WEND ' CHECKED ALL BEACON, X = NUM_OF_BEACONS
' NOW WE DISPLAY WHAT WE FOUND OUT FROM ALL THE BEACONS
IF STATUS_CHANGE = 1 THEN ' IF A CHANGE HAS OCCURED, LCD DISPLAY MUST CHANGE
STATUS_CHANGE = 0 ' RESET STATUS_CHANGE BIT
Y = 1 ' START AT FIRST BIT OF EACH ARRAY
WHILE Y <= NUM_OF_BEACONS ' SCROLLING THROUGH ALL ACTIVE BEACONS
IF NORMAL_BEACON[Y] = 1 THEN ' IF BEACON IS NORMAL
'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
if LOST_ALARM[Y] = 0 THEN 'CHECKING IF A BEACON IS LOST
NUMBER_OUT = 1900 + Y
HSEROUT [DEC4 NUMBER_OUT] 'TELLS THE PLC THAT THE BEACON HAS RECOVERED
PAUSE 50
ENDIF
if FF_ALARM[Y] = 0 THEN 'CHECKING FOR FLASHER FAILURE
NUMBER_OUT = 2900 + Y
HSEROUT [DEC4 NUMBER_OUT] 'TELLS THE PLC THE FF ERROR IS FIXED
PAUSE 50
ENDIF
'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Y = Y + 1 ' INCREMENT Y TO TEST NEXT BEACON
ELSE ' IF ONE BEACON IS NOT NORMAL
GOTO DISPLAY_ERROR ' GOTO DISPLAY ERROR
ENDIF
WEND ' WILL ONLY ESCAPE WHILELOOP HERE IF ALL BEACON
pause 5 ' ARE NORMAL
FFA_OK = 67
LOST_OK = 67
LED_OK = 67
LOOKDOWN2 FF_ALARM, [1], FFA_OK 'CHECKING TO SEE IF THE VALUE 1
LOOKDOWN2 LOST_ALARM, [1], LOST_OK 'IS STORED IN THE ERROR LOCATIONS
LOOKDOWN2 LED_ALARM, [1], LED_OK
'IF THERE IS NO "1" THEN THERES NO ERROR
IF FFA_OK = 67 AND LOST_OK = 67 AND LED_OK = 67 THEN 'SO WE CAN RESET THE ALARMS
HIGH ALARM3
HIGH ALARM1
HIGH ALARM2
ENDIF
IF FFA_OK = 67 AND LOST_OK = 67 AND LED_OK != 67 THEN 'IF THE COMM AND FF ARE OK,
HIGH ALARM3 'BUT THE LED IS STILL OUT,
HIGH ALARM1 ' THEN WE CANT RESET THEM
'HIGH ALARM2 NOT INCLUDED HERE 'ALL. ALARM2 (BEACON) IS LEFT OUT OF THE RESET
ENDIF
GOTO START_CHECK
'^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
DISPLAY_ERROR:
Y = 1 ' START AT FIRST BIT OF EACH ARRAY
WHILE Y <= NUM_OF_BEACONS ' SCROLLING THROUGH ALL ACTIVE BEACONS
IF LED_ALARM[Y] = 1 THEN 'CHECKING LED ARRAYS
LOW ALARM2 'TURN ON BEACON ALARM
LOW ALARM1 'TURN ON GENERAL ALARM
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$51] ' ALWAYS $FE, $51 = CLEAR SCREEN
'HSEROUT [$FE,$45,$00,"System Error"] '$45 cursor position, $00 top left
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$00,"Beacon: ", str y\2," " ]
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$40,"LED Failure"]
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$14,"____________________"] '$45 cursor position,
IF NUM_OF_POLS > 0 THEN
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Beacons: ", str NUM_OF_BEACONS\2," ","OLs: ", str NUM_OF_POLS\2]
ELSE
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Beacons: ", str NUM_OF_BEACONS\2," "]
ENDIF
PAUSE 50
NUMBER_OUT = 3000 + Y
HSEROUT [DEC4 NUMBER_OUT]
PAUSE 100
ENDIF
if LOST_ALARM[Y] = 1 THEN 'CHECKING IF A BEACON IS LOST
LOW ALARM2 'TURN ON BEACON ALARM
LOW ALARM1 'TURN ON GENERAL ALARM
LOW ALARM3 'TURN ON FFA ALARM
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$51] ' ALWAYS $FE, $51 = CLEAR SCREEN
'I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$00,"System Error"] '$45 cursor position, $00 top left
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$00,"Beacon: ", str y\2," " ]
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$40,"Lost Beacon"]
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$14,"____________________"] '$45 cursor position,
IF NUM_OF_POLS > 0 THEN
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Beacons: ", str NUM_OF_BEACONS\2," ","OLs: ", str NUM_OF_POLS\2]
ELSE
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Total Beacons: ", str NUM_OF_BEACONS\2," "]
ENDIF
pause 500
NUMBER_OUT = 1000 + Y
HSEROUT [DEC4 NUMBER_OUT]
PAUSE 100
ELSEif LOST_ALARM[Y] = 0 THEN 'CHECKING IF A BEACON IS LOST
NUMBER_OUT = 1900 + Y
HSEROUT [DEC4 NUMBER_OUT] 'TELLS THE PLC THAT THE BEACON HAS RECOVERED
PAUSE 100
ENDIF
if FF_ALARM[Y] = 1 THEN 'CHECKING FOR FLASHER FAILURE
LOW ALARM2 'TURN ON BEACON ALARM
LOW ALARM1 'TURN ON GENERAL ALARM
LOW ALARM3 'TURN ON FFA ALARM
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$51] ' ALWAYS $FE, $51 = CLEAR SCREEN
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$00,"Beacon: ",str y\2," " ]
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$40,"Flasher Failure"]
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$14,"____________________"] '$45 cursor position,
IF NUM_OF_POLS > 0 THEN
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Beacons: ", str NUM_OF_BEACONS\2," ","OLs: ", str NUM_OF_POLS\2]
ELSE
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Beacons: ", str NUM_OF_BEACONS\2," "]
ENDIF
pause 100
NUMBER_OUT = 2000 + Y
HSEROUT [DEC4 NUMBER_OUT]
PAUSE 100
ELSEif FF_ALARM[Y] = 0 THEN 'CHECKING FOR FLASHER FAILURE
NUMBER_OUT = 2900 + Y
HSEROUT [DEC4 NUMBER_OUT] 'TELLS THE PLC THE FF ERROR IS FIXED
PAUSE 100
ENDIF
Y = Y + 1 ' NEXT BEACON
WEND ' CONTINUE WHEN ALL BEACONS ARE ASSIGNED
ENDIF ' ENDIF OF (IF STATUS_CHANGE = 1)
'------------------------------------------------------------------------
IF POL_ALARM_INPUT = 1 THEN ' CHECK POL ALARM 1
HIGH ALARM5
STATUS_CHANGE = 1
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$51] ' ALWAYS $FE, $51 = CLEAR SCREEN
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$00,"POL Alarm: Level 1"] '$45 cursor position,
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$14,"____________________"] '$45 cursor position,
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Beacons: ", str NUM_OF_BEACONS\2," ","OLs: ", str NUM_OF_POLS\2]
PAUSE 100
HSEROUT [DEC 9991]
ELSE
LOW ALARM5
ENDIF
IF POL_ALARM_INPUT2 = 1 THEN 'CHECK POL ALARM 2
HIGH ALARM6
STATUS_CHANGE = 1
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$51] ' ALWAYS $FE, $51 = CLEAR SCREEN
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$00,"POL Alarm: Level 2"] '$45 cursor position, $00 top left
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$14,"____________________"] '$45 cursor position,
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Beacons: ",str NUM_OF_BEACONS\2," ","OLs: ", str NUM_OF_POLS\2]
PAUSE 100
HSEROUT [DEC 9992]
ELSE
LOW ALARM6
ENDIF
IF POL_ALARM_INPUT3 = 1 THEN 'CHECK POL ALARM 3
HIGH ALARM7
STATUS_CHANGE = 1
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$51] ' ALWAYS $FE, $51 = CLEAR SCREEN
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$00,"POL Alarm: Level 3"] '$45 cursor position, $00 top left
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$14,"____________________"] '$45 cursor position,
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Beacons: ",str NUM_OF_BEACONS\2," ","OLs: ",str NUM_OF_POLS\2]
PAUSE 100
HSEROUT [DEC 9993]
PAUSE 100
ELSE
LOW ALARM7
ENDIF
'-----------------------------------------------------------------
GOTO START_CHECK
BEACON_ALARM: ' ALL ALARM MESSEGES GO TO THIS LOCATION, MUST FILTER
' ALARM AND SET ALARM BIT TO 1 OF FAILED BEACON
IF RXB0D0 = %00001111 and RXB0DLC = %00000010 THEN' DATA0 ID $0F FOR LED ALARM ON BEACON
STATUS_CHANGE = 1 ' CHANGE HAS HAPPENED
NORMAL_BEACON[X] = 0 ' NORMAL BIT OFF
LED_ALARM[X] = 1 ' LED ALARM BIT ON
ENDIF
IF RXB0D0 = %11111111 THEN ' DATA0 ID FOR FLASHER FAIL ON BEACON
STATUS_CHANGE = 1 ' CHANGE HAS HAPPENED
NORMAL_BEACON[X] = 0 ' NORMAL BIT OFF
FF_ALARM[X] = 1 ' FF ALARM BIT ON
ENDIF
RETURN ' RETURN BACK TO CODE AFTER BITS ARE ASSIGNED
LOST_BEACON: ' LOST BEACON COME HERE
STATUS_CHANGE = 1 ' CHANGE HAS HAPPENED
NORMAL_BEACON[X] = 0 ' NORMAL BIT OFF
LOST_ALARM[X] = 1 ' LOST ALARM BIT ON
X = X + 1 ' INCREMENT COUNTER X
GOTO NEXT_CHECK ' GOTO NEXT CHECK, NO DATA0 TO READ
'***************************INTERRUPT BEGINS**********************************
DISABLE ' MUST DISABLE BEFORE INTERRUPT ROUTINE IS USED
INTAWHAT: ' INTERRUPT HAS OCCURRED
TOGGLE SYSTEM_OK
T0CON.7 = 0 ' STOP TIMER WHILE EVERYTHING IS RESET
IF FLASH_STATE = 1 THEN ' IF BEACONS WERE ON
FLASH_STATE = 0 ' TURN FLASH_STATE BIT LOW FOR NEXT CYCLE
TXB1D0 =%00000000 ' DATA IS $00, MEANING "FLASHING OFF"
TXB1CON.3 = 1 ' REQUEST TRANSMISSION ON BUFFER 1
WHILE TXB1CON.3 != 0 ' HAS IT TRANSMITTED
if COMSTAT.0 = 1 THEN ' TX ERROR WARNING OR RX ERROR WARNING
'comm error code here 'PROGRAM LOOPS HERE UNTIL COMM IS GOOD
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$51] ' ALWAYS $FE, $51 = CLEAR SCREEN
'HSEROUT [$FE,$45,$00,"System Error"] '$45 cursor position, $00 top left
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$00,"Communcation Error"] '$45 cursor position, $00 top left
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$40,"Flasher Failure"] '$45 cursor position, $40 second row
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$14,"____________________"] '$45 cursor position,
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Beacons: ",str NUM_OF_BEACONS\2," ","OLs: ", str NUM_OF_POLS\2]
HSEROUT [DEC 7777]
hserout [dec 8888]
STATUS_CHANGE = 1
PAUSE 1000 ' PAUSE 1000 MS WHILE WAITING
ENDIF
PAUSE 10 ' PAUSE 10 MS WHILE WAITING
WEND ' TRANSMITTION SUCCESSFUL
INTCON.2 = 0 ' RESET TIMER0 INT FLAG
TMR0H =%10110000 ' CREATES .66 SECOND BETWEEN NEXT INTERRUPT
TMR0L =%10000000
ELSEif flash_state = 0 then ' ELSE BEACONS WERE OFF
FLASH_STATE = 1 ' TURN FLASH_STATE BIT HIGH FOR NEXT CYCLE
TXB1D0 =%11111111 ' DATA IS $FF, MEANING "FLASHING ON"
TXB1CON.3 = 1 ' REQUEST TRANSMISSION ON BUFFER 1
WHILE TXB1CON.3 != 0 ' HAS IT TRANSMITTED
if COMSTAT.0 = 1 THEN ' TX ERROR WARNING OR RX ERROR WARNING
'comm error code here 'PROGRAM LOOPS HERE UNTIL COMM IS GOOD
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$51] ' ALWAYS $FE, $51 = CLEAR SCREEN
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$00,"Communcation Error"] '$45 cursor position, $00 top left
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$40,"Flasher Failure"] '$45 cursor position, $40 second row
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$14,"____________________"] '$45 cursor position,
I2CWRITE I2C_COMM, I2C_CLK, CONT_SEND, ADDR1, [$FE,$45,$54,"Beacons: ",str NUM_OF_BEACONS\2," ","OLs: ", str NUM_OF_POLS\2]
HSEROUT [DEC 7777]
hserout [dec 8888]
STATUS_CHANGE = 1
PAUSE 1000 ' PAUSE 1000 MS WHILE WAITING
ENDIF
PAUSE 10 ' PAUSE 10 MS WHILE WAITING
WEND ' TRANSMITTION SUCCESSFUL
INTCON.2 = 0 ' RESET TIMER0 INT FLAG
TMR0H =%00001010 ' CREATES 2 SECOND BETWEEN NEXT INTERRUPT
TMR0L =%00000000
ENDIF
T0CON.7 = 1 ' START TIMER
RESUME ' GO BACK TO WHERE CODE WAS INTERRUPTED
ENABLE ' MUST USE ENABLE
end ' MUST END WITH END
Re: I2C variable to LCD
Bookmarks