Help needed to include AT commands in a PIC prog
' Define LCD pins
Define LCD_DREG PORTD
Define LCD_DBIT 0
Define LCD_RSREG PORTD
Define LCD_RSBIT 5
Define LCD_EREG PORTD
Define LCD_EBIT 4
DEFINE LCD_BITS 4
DEFINE LCD_LINES 2
'-----------------------------------------------------------------
DEFINE OSC 4 ' We're using a 4 MHz oscillator
DEFINE ADC_BITS 8 ' Set A/D for 8-bit operation
DEFINE ADC_CLOCK 3 ' Set A/D clock Fosc/8 ' Set clock source (3=rc)
DEFINE ADC_SAMPLEUS 50 ' Set A/D sampling time @ 50 uS
'-----------------------------------------------------------------
PAUSE 500 ' Wait .5 second
'-----------------------------------------------------------------
SW_SET VAR PORTB.0
SW_INC VAR PORTB.1
SW_DEC VAR PORTB.2
RELAY1 VAR PORTD.6
RELAY2 VAR PORTD.7
RS485 VAR PORTD.4 ' RS485 CONTROL PIN
SER_IN VAR PORTC.7 ' DATA INPUT PORT
SER_OUT VAR PORTC.6 ' DATA INPUT PORT
SCLpin VAR PORTC.3 ' SCL PIN ON DS1307
SDApin VAR PORTC.4 ' SDA PIN ON DS1307
SQWpin VAR PORTC.5 ' SQW PIN ON DS1307
'-----------------------------------------------------------------
RTCSec var byte ' Seconds
RTCMin var byte ' Minutes
RTCHour var byte ' Hours
RTCWDay var byte ' Weekday
RTCDay var byte ' Day
RTCMonth var byte ' Months
RTCYear var byte ' Year
RTCCtrl var byte ' Control
CounterA var byte ' General purpose Variable
CounterB var byte ' General purpose Variable
ALARMHOUR VAR BYTE ' ALARM SET HOUR
ALARMMIN VAR BYTE ' ALARM SET MIN
ALARM VAR BIT ' ALARM CONDITION
ALARMNO VAR BYTE ' EEPROM LOCATION
MENU VAR BYTE ' MENU COUNTER VARIABLE
ADVAL1 VAR BYTE ' FIRST SENSOR
ADVAL2 VAR BYTE ' SECOND SENSOR
TEMPLO var Byte ' LM35 Temp. Low byte
TEMPHI var Byte ' LM35 Temp. High byte
HI_LO VAR BIT ' HI LOW FOR MENU CONTROL
SMP_CNT VAR BYTE ' SAMPLE COUNT IF IT GOES HIGH
'-----------------------------------------------------------------
'GOTO SetUpPreset
GOTO START
READ_RTC:
I2CRead SDApin,SCLpin,$D0,$00,[RTCSec,RTCMin,RTCHour,RTCWDay,RTCDay,RTCMonth,RTCY ear,RTCCtrl]
'-----------------------------------------------------------------
RTCHour=((RTCHour>>4)&$0F)*10+(RTCHour&$0F)
RTCMin=((RTCMin>>4)&$0F)*10+(RTCMin&$0F)
RTCSec=((RTCSec>>4)&$0F)*10+(RTCSec&$0F)
'-----------------------------------------------------------------
RETURN
ConvertBCD:
CounterB=CounterA DIG 1
CounterB=CounterB<<4
CounterB=CounterB+CounterA DIG 0
Return
READ_TEMP:
Adcin 3, ADVAL1 ' Read channel 0 into temp variable
IF ADVAL1 < temphi THEN LOW RELAY1
IF ADVAL1 > tempLO THEN LOW RELAY2
IF ADVAL1 > TEMPLO AND ADVAL1 < TEMPHI THEN SMP_CNT = 0
Return
START:
TEMPLO = 5 : TEMPHI = 21 : SMP_CNT = 0
LOW RELAY1 : LOW RELAY2 :
Lcdout $fe, 1, "SMART CONTROLLER" ' Send to LCD
Lcdout $fe, $C0, "DATALOGGER v3B" ' Second Line
Pause 3000 ' PAUSE FOR 3 SEC
LOOP:
If SW_SET = 0 Then Gosub SET_LO_TEMP
GOSUB READ_TEMP
If ADVAL1 >= temphi Then ALARM_HI
If ADVAL1 <= tempLO Then ALARM_LO
GOSUB READ_RTC
Lcdout $fe, 1, "TEMP: " , DEC ADVAL1 ," (", DEC tempLO , "/" , DEC tempHI ,")"
LCDOut $FE,$C0, "TIME: " , DEC2 RTCHour ,":" , DEC2 RTCMin , ":" , DEC2 RTCSec
Pause 500 ' Repeat about 2 times/sec
GOTO LOOP
End
SET_LO_TEMP:
HI_LO = 0
Lcdout $fe, 1, "TEMP SET ROUTINE"
Lcdout $fe, $c0, "LOW SET: ", dec tempLO
While sw_set = 0: Wend: pause 100
SET_LO_LOOP:
If sw_inc = 0 Then Gosub press_inc
If sw_dec = 0 Then Gosub press_dec
If sw_set = 0 Then Gosub SET_HI_TEMP
Goto SET_LO_LOOP
RETURN
SET_HI_TEMP:
HI_LO = 1
Lcdout $fe, 1, "TEMP SET ROUTINE"
Lcdout $fe, $c0, "HI SET: ", dec tempHI
While sw_set = 0: Wend: pause 100
SET_HI_LOOP:
If sw_inc = 0 Then Gosub press_inc
If sw_dec = 0 Then Gosub press_dec
If sw_set = 0 Then
While sw_set = 0: Wend: pause 100
HI_LO = 0 : GOTO LOOP
ENDIF
Goto SET_HI_LOOP
RETURN
press_inc:
While sw_inc = 0: Wend: pause 100
IF HI_LO = 1 AND temphi < 100 Then temphi = temphi + 1
IF HI_LO = 0 AND tempLO < temphi Then tempLO = tempLO + 1
IF TEMPHI = TEMPLO THEN TEMPHI = TEMPLO + 1
IF HI_LO = 1 THEN Lcdout $fe, $c0, "Temp Set: ", dec temphi
IF HI_LO = 0 THEN Lcdout $fe, $c0, "Temp Set: ", dec tempLO
Return
press_dec:
While sw_dec = 0: Wend: pause 100
IF HI_LO = 1 AND temphi > tempLO Then temphi = temphi - 1
IF HI_LO = 0 AND tempLO > 0 Then tempLO = tempLO - 1
IF TEMPHI = TEMPLO THEN TEMPHI = TEMPLO + 1
IF HI_LO = 1 THEN Lcdout $fe, $c0, "Temp Set: ", dec temphi
IF HI_LO = 0 THEN Lcdout $fe, $c0, "Temp Set: ", dec tempLO
Return
ALARM_HI:
IF SMP_CNT < 5 THEN
SMP_CNT = SMP_CNT + 1
ELSE
Lcdout $fe, 1, "HIGH TEMP ALARM"
Lcdout $fe, $c0, "RELAY1 ON "
HIGH RELAY1 : LOW RELAY2
PAUSE 1000
WHILE ADVAL1 >= temphi
GOSUB READ_TEMP
WEND
ENDIF
GOTO LOOP
ALARM_LO:
IF SMP_CNT < 5 THEN
SMP_CNT = SMP_CNT + 1
ELSE
Lcdout $fe, 1, "LOW TEMP ALARM"
Lcdout $fe, $c0, "RELAY2 ON "
HIGH RELAY2 : LOW RELAY1
PAUSE 1000
WHILE ADVAL1 <= tempLO
GOSUB READ_TEMP
WEND
ENDIF
GOTO LOOP
This is the prog and i would like to put AT commands to send an sms in the Alarm HI Routine when the temperature increases beyond the set limit and after the relay is 'ON'.Any help would be appreciated.Im using a simcomm brand gsm modem and PIC 16F74.
