Code:
'< FL_PIC16F886 >' ' First valid PIC found within the first 200 lines will
' highlight AND set device.
'< FL_PBPW >' ' OR < FL_PBPL >
'< FL_MPASM >' ' OR < FL_PM >
'***********************************************************************
'* Name : DS1337clockedTemp.pbp *
'* Author : John R. Ellis *
'* Notice : Copyright (c) 2010 LodeStar Associates, Inc. *
'* : All Rights Reserved *
'* Started : 07/26/2011 *
'* Version : 1.0 *
'* Notes : 1) This code was designed/devloped on an EasyPic6 *
'* Compiler: PICBASIC PRO Compiler 2.60C from microEngineering Labs *
'* Device : 16F886 w/ serial 2x16 or 2x8 LCD as installed on *
'* ProtoBoard connected via Port Extension to an EasyPic6. *
'* Memory : 9,614 bytes of Program Memory required. *
'* Ref: : 1) RTC portions of this code are adapted from code *
'* : written by Tonigalea (see URL ref below), but modified *
'* : to run on an EasyPic6 with 18F4550 MCU and a DS1337 RTC. *
'*http://www.picbasic.co.uk/forum/showthread.php?t=662&highlight=DS1337*
'* *
'***********************************************************************
' -----------------------[ Program Description ]------------------------
' PICBASIC PRO program to set RTC & demo operation of a LCD/4-bit mode *
' 1) Initializes 2x16 or 2x8 LCD display (if installed) with EasyPic6.*
' 2) Time/date/Alarm1 must have already been programmed into the *
' DS1337 Real-time-clock before running this program. *
' (IMPORTANT: user must use available SetTimeDate program to *
' program DS1337 prior to programming this program into the MCU) *
' 3) Alarm1 from the DS1337 is used as RB2 interrupt on change by MCU.*
' 4) Also displays date/time on LCD (if installed) every second. *
' 5) Measures temperature on every Alarm1 interrupt and displays it. *
' 6) If battery is so low to drop Vr<=3.39 vdc, LED_RED will blink 5x *
' as a low voltage warning monitor. *
'***********************************************************************
' -----------------------[ Revision History ]---------------------------
' Version 1.0 Started on 07/19/11
' ------------[ NOTES for use with EasyPic6 development board ]---------
' Make sure that SW6.8 on the EasyPic6 is set to ON position before
' powerup for LCD's requiring backlight.
'For use with 2x16 LCD (when installed):
' - Turn on Port Expander switches SW6.1,SW6.2,SW6.3,SW6.4 & SW6.5.
' - Turn on COG LCD 2x16 switches SW10.1, SW10.2, SW10.3, SW10.4,
' SW10.5 & SW10.6.
'For interface to DS1337 RTC:
' - TO provide battery backup, place two Shottky diodes in 'or'
' configuration between the Vdd (pin-8) of the DS1337 and the Vcc
' source and the + terminal of the backup battery.
' - I2C communication lines should be connected to 4.7K pull-ups.
' - DS1337 INTA & INTB lines should be connected to pull-up resistsors.
' - Turn off LEDs connected to I2C communication lines.
'-----------------[ 16F886 Port/PIN Connections ]------------------
'I/O pin connections to the 18F4550 MCU are as follows:
'PORTA.0 (02) output to LCD D4 & also multiplexed as input from LM34.
'PORTA.1 (03) output to LCD D5.
'PORTA.2 (04) output to LCD D6 & also mulitplexed as Vref+ input.
'PORTA.3 (05) output to LCD D7.
'PORTA.4 (06) output to LCD RS.
'PORTA.5 (07) ouput to LCD E.
'PORTB.0 (21) output as I2C SDA to DS1337.
'PORTB.1 (22) output as I2C SCL to DS1337.
'PORTB.2 (23) input as interrupt on change from pin-3 (_INTA) of DS1337 RTC.
' Also senses pushbutton for manual interrupt for RangeFinder.
'PORTB.3 (24) input from SQW/_INTB pin-7 of DS1337 RTC.
'PORTB.4 (25) set as A/D Channel 11 for analog input from LM34 output
'PORTB.5 (26) unconnected
'PORTB.6 (27) connected as PGC for ICSP connection.
'PORTB.7 (28) connected as PGD for ICSP connection.
'PORTC.0 (11) output RC0 to control external power to SRF02 & LM34.
'PORTC.1 (12) output RC1 to MSEL on WiFi Module
'PORTC.2 (13) output RC2 to LCD R/W or to _RES_PD on WiFi module
'PORTC.3 (14) reserved to connect as Vbus to 470 pf capacitor for USB
'PORTC.4 (15) output RC4 to a Red LED for low voltage warning.
'PORTC.5 (16) output RC5 to Green LED for routine entry indicator.
'PORTC.6 (17) output as TX to WiFi module RXD.
'PORTC.7 (18) output as RX to WiFi module TXD.
'--------------[ Define EEPROM usage ]-----------------------------------
'07 = mon ' Month of program startup
'08 = date ' Day of month of program startup
'09 = yr ' Year of program startup
'10 = J ' Index for counting interrupts received
'11 = hr ' Hour time from RTC at MCU startup time
'12 = MINs ' Minutes time from RTC at MCU startup time
'13 = sec ' Seconds time from RTC at MUC startup time
'14 = A1hr ' Alarm1 hour time from RTC after setting RTC
'15 = A1MINs ' Alarm1 minutes time from RTC after setting RTC
'16+J = hr ' Log Hour of interrupt
'17+J = MINs ' Log Minutes of interrupt
'18+J = sec ' Log Seconds of interrupt
'19+J = temp ' Log temperature at time of intercept
'236 ' Last legitimate EEPROM logging address
'240 = ID(0) ' LSB of device ID
'241 = ID(1) ' MSB of device ID
'242 = mon ' Month when clock was set
'243 = date ' Date when clock was set
'244 = yr ' Year when clock was set
'INCLUDE "CodeSize.pbp" 'FOR TEST ONLY
DEFINE Measure 1
;@ StartSize(LOOKUP) 'FOR TEST ONLY
Pause 10 ' This statement is placed at beginning of code for ICD use
@ ERRORLEVEL -306 ; turn off crossing page boundary message
'Disable Debug ' Uncomment for test only
' Set configuration fuses for the MCU
' To use standard config include file, comment out below statement
@ __config _CONFIG1, _HS_OSC & _WDT_OFF & _MCLRE_OFF & _LVP_OFF & _CP_OFF
'--------------[ Define Hardware / Set Registers ]------------------------
DEFINE OSC 16
DEFINE I2C_SLOW 1 ' Set i2c to the standard speed
DEFINE I2C_HOLD 1 ' Enable receiving i2c device to pause communication
INCLUDE "Modedefs.Bas" ' Mode definitions for Debug,Serin/out,
' Shiftin/out, Xin/out.
INCLUDE "ALLDIGITAL.pbp" ' Sets all registers for digital ops.
' User must make sure AllDigital.pbp file
' is in same or higher directory location as
' this source code before compiling.
'DEFINE SHOWDIGITAL 1 ' When uncommented will show analog settings
' in Assembler Results window.
INCLUDE "DT_INTS-14.bas" ' Base Interrupt System
INCLUDE "ReEnterPBP.bas" ' Include if using PBP high priority interrupts
' Allows re-entry to PBP from a High Priority
' ASM interrupt. Must have DT_INTS-14.bas
' loaded first.
TRISA = 0 ' Set all PortA initally to outputs for LCD use
TRISB = %00011100 ' RB2 & RB3 set as RTC Alarm1 & Alarm2 inputs
' PORTB.2 is also an interrupt from manual switch GND
' PORTB.4 is set at A/D Channel 11
TRISC = %10000000 ' Set PortC to all outputs except PortC.7 which is
' reserved as RX input.
' PortC.1 is output for MSEL to WiFi module
' PortC.2 is used for the LCD R/W connection when
' LCD present..otherwise as _RES_PD to Wifi Module.
' PortC.4 is output to LED_RED
' PortC.5 is output to LED_GRN
CLEAR
'--- Setup Interrupts ----------------------------------------------------
ASM
INT_LIST macro ; IntSource, Label, Type, ResetFlag?
INT_Handler RBC_INT, _Alarm, PBP, yes
INT_Handler LVD_INT, _VoltLow, PBP, yes
endm
INT_CREATE ; Creates the interrupt processor
ENDASM
'ENABLE DEBUG
' Per DT, DT_INTS already takes care of setting registers
' but this code doesn't work unles below registers set as indicated:
IOCB = %00000100 ' Enable RB2 as Interrupt on Change pin for RTC Alarm
WPUB = 0 ' Disable all PortB pull-ups
'--- Variables & Aliases -------------------------------------------------
CNT VAR BYTE ' Counter for timing
CNT = 0
D_LAY VAR BYTE ' Stores delay value
ADR VAR BYTE[9] ' Array stores IP address
deviceID1 VAR BYTE ' Serial # of MCU (MSB)
deviceID2 VAR BYTE ' Serial # of MCU (LSB)
ext_pwr VAR PortC.0 ' MCU Controlled external power to SRF02 & LM34
I VAR Byte ' Index for loop counters
ID VAR BYTE[8] ' Array for storing device ID parameters
J VAR BYTE ' Index to EEPROM address for logging
LCD_Flag VAR Bit ' Flag when set indicates LCD is installed/used
LED_RED VAR PortC.4 ' Red LED
LED_GRN VAR PortC.5 ' Green LED used to indicate Routine entries
logflag VAR BYTE ' Flag used in ISR to indicate to log time stamp
LowVolt VAR BIT ' Flag that is set when MCU power source is low volt
MSEL VAR PORTC.1 ' iChip Mode Select
_RES_PD VAR PORTC.2 ' iCHIP RESET/Power-Down
OK VAR BYTE ' Captures K in I/OK FTP return messages for testing
SCL VAR PORTB.1 ' I2C clock pin
SDA VAR PORTB.0 ' I2C data pin
Spare_1 VAR PORTB.7 ' PGD for ICSP & Spare I/O for normal ops
Spare_2 VAR PORTB.6 ' PGC for ICSP & Spare I/O for normal op
temp VAR WORD ' Stores measured temperature
TX VAR PORTC.6 ' Serial interface to iWiFI module
RX VAR PORTC.7
'ENABLE DEBUG
'--- Initialize ----------------------------------------------------------
' User must set FLAGS for current configuration
LowVolt = 0 ' Initalize low voltage Flag
LCD_Flag = 0 ' Clear if LCD un-installed; set otherwise
'CCPR1L = 0 ' Not used in this app
'CCPR2L = 0 ' Not used in this app
'CCP1CON = %00001100 ' CCP1, PWM mode...not used in this app
'CCP2CON = %00001100 ' CCP2, PWM mode...not used in this app
PR2 = 249 ' 0-1000 duty range
T2CON = %00000101 ' TMR2 on, prescaler 1:4
'--- Read MCU Serial Number is stored in 4 ea device ID Locations
' at memory locations Addresses $2000 to $2003 but can't be read at run time
deviceID1 = ID(0) ' MSB of MCU Device Serial Number
deviceID2 = ID(1) ' LSB of MCU Device Serial Number
WRITE 240, ID(0) ' Write fixed values to EEPROM for test
WRITE 241, ID(1)
'*******************SETUP FOR USING DS1337 Real Time Clock**************
' Setup Hardware for uart
DEFINE HSER_BAUD 115200
DEFINE HSER_RCSTA 90h
DEFINE HSER_TXSTA 24h
DEFINE HSER_CLROERR 1
' Aliased Variables for CLock
Alarm1 VAR PORTB.2 ' Alarm1 input from DS1337 INTA (pin-3)
'Alarm2 VAR PORTB.3 ' Alarm2 input from DS1337 INTB (pin-7)
'SCL VAR PORTB.1 ' I2C clock pin
'SDA VAR PORTB.0 ' I2C data pin
RTCdevice CON $D0 ' Device write address = %11010000 for RTC
' This is a list of allowable clock contrl settings, one which
' must be setup in the SetTimeAndDate subroutine for intended use.
'(see data sheet pgs 9-10 for explanation)
'contrl CON %00000000 ' Starts oscillar, sets the SQW/OUT to
' 1Hz pulse, no Alarm interrupts enabled.
' WORKS as intended!!
'contrl CON %00000001 ' Starts oscillator, sets the SQW/OUT to
' 1 HZ pulse, & enables INTA interrupt from
' A1F. WORKS as intended!!
'contrl CON %00000010 ' Starts oscillator, sets the SQW/OUT to
' 1 HZ pulse, enables INTA interrupt from
' A2F. WORKS AS intended!!
'contrl CON %00000011 ' Starts the oscillator, sets the SQW/OUT
' to 1 Hz, enables INTA interrupt from A1F
' or from A2F. WORKS as intended!!
'contrl CON %000xx100 ' Starts oscillator, no interrupts enabled.
' WORKS as intended!
'contrl CON %000xx101 ' Starts oscillator, enables INTA interrupt
' from A1F, INTB/SQW off. WORKS OK!
'contrl CON %000xx110 ' Starts oscillator, enables INTB interrupt
' from A2F. WORKS OK!
'contrl CON %000xx111 ' Starts oscillator, enables INTA interrupt
' from A1F or INTB from A2F. WORKS OK!
' Both interrupts staggered 30 secs apart.
'contrl CON %00011111 ' Starts oscillator, sets RS1 & RS2,
' enables INTA interrupt from A1F
' or A2F starts 32.768khz on SQW output.
' WORKS OK!
'contrl CON %00011001 ' Starts oscillator, sets RS1 & RS2,
' clears INTCN to enable INTA interrupt
' from A1F with 32.768kHz on SQW output.
' SQW output WORKS OK but INTA doesn't!
'contrl CON %00011010 ' Starts oscillator, sets RS1 & RS2,
' clears INTCN to enable INTA interrupt
' from A2F with 32.768kHz on SQW. WORKS OK!
' RTC Address definitions
SecReg CON $00 ' seconds address (00 - 59)
' Must set MSB of SecReg to a 0 to enable RTC
MinReg CON $01 ' minutes address (00 - 59)
HrReg CON $02 ' hours address (01 - 12) or (00 - 23)
DayReg CON $03 ' day address (1 - 7)
DateReg CON $04 ' date address (01 - 28/29, 30, 31)
MonReg CON $05 ' month address (01 - 12)
YearReg CON $06 ' year address (00 - 99)
' Alarm 1 Address definitions
Alm1sec CON $07 ' Alarm 1 seconds address (00 - 59)
Alm1min CON $08 ' Alarm 1 minutes address (00 - 59)
Alm1hr CON $09 ' Alarm 1 hours address (01 - 12) or (00 - 23)
Alm1Day CON $0A ' Alarm 1 day address (1 - 7)
' Alarm 2 Address definitions..not used in this application
'Alm2min CON $0B ' Alarm 2 minutes address (00 - 59)
'Alm2hr CON $0C ' Alarm 2 hours address (01 - 12) or (00 - 23)
'Alm2Day CON $0D ' Alarm 2 day address (1 - 7)
' Alias of Clock register addresses
ContReg CON $0E ' CONTROL register address
StatusReg CON $0F ' STATUS register address
' Clock Variables
sec VAR BYTE ' seconds
MINs VAR BYTE ' minutes
hr VAR BYTE ' hours
day VAR BYTE ' day of week (Sunday = 7)
date VAR BYTE ' date in month
mon VAR BYTE ' month
yr VAR BYTE ' year
' ALARM1 VARIABLES
A1sec VAR BYTE ' seconds
A1MINs VAR BYTE ' minutes
A1hr VAR BYTE ' hours
A1day VAR BYTE ' day
' ALARM2 VARIABLES..not used in this application
'A2MINs VAR BYTE ' minutes
'A2hr VAR BYTE ' hours
'A2day VAR BYTE ' day
'*****************SETUP FOR USING LM34 Temperature Sensor**************
'DEFINE osc 8 ' Using a 16 MHz oscillator..already defined
DEFINE ADC_BITS 10 ' Set A/D for 10-bit operation
DEFINE ADC_CLOCK 5 ' Set A/D clock Fosc/16
DEFINE ADC_SAMPLEUS 50 ' Set A/D sampling time @ 50 uS
samples VAR WORD ' Multiple A/D sample accumulator
sample VAR BYTE ' Holds number of samples to take
value VAR WORD ' Holds LM34 measured temperature value
samples = 0 ' Clear samples accumulator on entry
'WRITE 3,3 'EEPROM test to see if program executes to here
'*********SETUP FOR USING ConnectOne Mini Socket iWiFi module**********
BOOT: 'iCHIP SET UP
HIGH _RES_PD ' Set high for normal ops
PAUSE 500 ' Delay to stabilize coming out of power down mode
LOW MSEL ' Exit SERIALNET mode and return iChip to normal AT+i mode
PAUSE 10000
HIGH MSEL ' Set high for normal AT+i ops
'SEROUT2 PORTC.0,16468,["TEMP OUTSIDE ",DEC temp,$d,$a,$d ,$a] 'test not used
PAUSE 500
'WRITE 3,3 'EEPROM test to see if program executes to here
SEROUT2 TX,6,[ "AT+I",$d ,$a]
WRITE 4,4 'EEPROM test to see if program executes to here..it does
SERIN2 RX ,6,2500,BROKE,[ WAIT("I/OK")]
'WRITE 5,5 'EEPROM test to see if program executes to here
' ABOVE TEST INDICATESInterface to iChip is NOT working!
'SEROUT2 PORTC.0,16468 , [ "iChip OK",$d,$a ] 'test not used
'SEROUT2 PORTC.0,16468 , [ "TEST_" , DEC3 CNT , 13 , 10 ] 'test not used
SEROUT2 TX ,6 , [ "AT+iIPA?" , $d , $a ]
SERIN2 RX ,6 , 2500 ,BOOT , [ DEC ADR[0] , DEC ADR[1] , DEC ADR[2] , DEC ADR[3] ]
WRITE 10, ADR[0] ' Write the received IP address to EEPROM as a test
WRITE 11, ADR[1]
WRITE 12, ADR[2]
WRITE 13, ADR[3]
GOSUB DIP
PAUSE 2000
'SEROUT2 TX,6,["AT+iWLWM=1",$d,$a] ' Sets WEP enabled with 64bit key
'SERIN2 RX ,6,2500,BROKE,[ WAIT("I/OK") ]
'SEROUT2 TX,6,["AT+iWLKI=1",$d,$a] ' Sets the Wireless LAN transmission WEP-Key index
'SERIN2 RX ,6,2500,BROKE,[ WAIT("I/OK") ]
'SEROUT2 TX,6,["AT+iWLKn1=xxxxxxxxxx",$d,$a] ' Sets the Wireless LAN WEP key
'SERIN2 RX ,6,2500,BROKE,[ WAIT("I/OK") ]
SEROUT2 TX,6,["AT+iWLSI=Buckskin",$d,$a] ' Sets the destination Wireless LAN SSID
SERIN2 RX ,6,2500,BROKE,[ WAIT("I/OK") ]
SEROUT2 TX,6,["AT+iWWW",$d,$a] ' Activates iChip's internal web server
SERIN2 RX,6,1000,BOOT,[WAIT("I/(")]
'########### END OF SETUPS ##################
GOTO JumpPoint ' Jump over all subroutines so they don't execute on powerup
' ----------------------[ START SUBROUTINES ]--------------------------
InitializeDisplay: ' Subroutine to initialize 2X16 or 2x8 LCD display
'=================
'-----SETUP FOR USING 2x16 or 2x8 LCD THAT IS INSTALLED IN EASYPIC6--------
IF LCD_Flag = 1 THEN
TRISA = 0 ' Set PortA for all outputs for use with LCD
' LCD DEFINES FOR USING 2x16 LCD with PortA in EASYPIC6
DEFINE LCD_DREG PORTA ' Use PORTA for LCD Data
DEFINE LCD_DBIT 0 ' Use lower(4) 4 bits of PORTA
' PORTA.0 thru PORTA.3 connect to
' LCD DB4 thru LCD DB-7 respectively
DEFINE LCD_RSREG PORTA ' PORTA for RegisterSelect (RS) bit
DEFINE LCD_RSBIT 4 ' PORTA.4 pin for LCD's RS line
DEFINE LCD_RWREG PORTC ' LCD read/write port
DEFINE LCD_RWBIT 2 ' LCD read/write bit
DEFINE LCD_EREG PORTA ' PORTA for Enable (E) bit
DEFINE LCD_EBIT 5 ' PORTA.5 pin for LCD's E line
DEFINE LCD_BITS 4 ' Using 4-bit bus
DEFINE LCD_LINES 2 ' Using 2 line Display
DEFINE LCD_COMMANDUS 1500' Command Delay (uS)
DEFINE LCD_DATAUS 44 ' Data Delay (uS)
' DEFINE LCD Control Constants
Line1 CON 128 ' Point to beginning of line 1 ($80)
Line2 CON 192 ' Point to beginning of line 2 ($C0)
ENDIF
' Test the LCD during initialization
IF LCD_Flag = 1 THEN
LCDOut $fe,1:FLAGS=0:Pause 250 ' Clear Display
LCDOUT $fe,Line1,"POWER ON" ' Display on 1st line
LCDOUT $fe,Line2,"LCD TEST" ' Display on 2nd line
PAUSE 2000
ENDIF
Return
SetTimeAndDate: ' Subroutine to set current time, date and alarms
'==============
' Blink LED_GRN 2X times to indicate entered SetTimeAndDate
FOR I = 0 TO 1
HIGH LED_GRN
PAUSE 500
LOW LED_GRN
PAUSE 500
NEXT
' Initialize the display & clock
PAUSE 100 ' Wait for LCD to startup after power on
' Initialize clock variables to 0
yr=0:date =0:mon =0:day=0:hr=0:MINs=0:sec=0
A1sec=0:A1MINs=0:A1hr=0:A1day=0
'A2MINs=0:A2hr=0:A2day=0
' The BCD constants below set the RTC to: 17:17:00 on 08-02-2011
hr=$17
MINs=$17
sec=$00
day=$03
mon=$08
date=$02
yr=$11
' Per MAXIM TechSupport, proper sequencing requires setting
' INTCN = 1, & A2IE=A1IE=0 before setting alarms.
I2CWRITE SDA, SCL, RTCdevice, ContReg,[%00000100]
PAUSE 10
'Define ALARM1 FOR 17:18:00 & to alarm when mins/secs match (1/hr).
' This requires A1M1=A1M2=0 and A1M3=A1M4=1
' (A1xxx + $80 or A1xxx + 128d sets bit 7 as A1Mx = 1)
A1hr = %10011010 '$17 + $80 = %10011010, for A1M3 = 1
'Bit6 must be 0 for 24 hour clock
A1MINs = %00011000 '$18 = %00011000, for A1M2 = 0
A1sec = $00 '$00 = %00000000, for A1M1 = 0
A1day = %10000110 '$06 + $80 = %10000110, for A1M4 = 1
'DY/_DT Bit6 = 0 for using Day of month alarm
'Define ALARM2 FOR 14:01:00 & to alarm once per minute (00 secs)
'Disabled in this application
' This requires A2M2 = A2M3 = A2M4 = 1
' (A2xxx + $80 or A2xxx + 128d sets bit 7 as A2Mx = 1)
'A2hr = $14 + $80 '$14 + $80 = %10010100, for A2M3 = 1
'Bit6 must be 0 for 24 hour clock
'A2MINs = $01 + $80 '$01 + $80 = %10000001, for A2M2 = 1
'A2day = $07 + $80 '$07 + $80 = $10000111, for A2M4 = 1
'DY/_DT Bit6 = 0 for using Day of month alarm
' Per MAXIM TechSupport, reset control register for desired Alarm
' after setting alarms.
I2CWRITE SDA, SCL, RTCdevice, ContReg,[%00000101]
PAUSE 10
'Set the main Time
I2CWRITE SDA, SCL, RTCdevice, SecReg,[sec,MINs,hr,day,date,mon,yr]
PAUSE 10
'Set the Alarm1 Time
I2CWRITE SDA, SCL, RTCdevice, Alm1sec,[A1sec,A1MINs,A1hr,A1day]
PAUSE 10
'Set the Alarm2 Time ' Alarm2 disabled for this application
'I2CWrite SDA, SCL, RTCdevice, Alm2min,[A2MINs,A2hr,A2day]
'PAUSE 10
IF LCD_Flag = 1 THEN ' This code block for testing only
'Test to see if Time set correctly by displaying on LCD
I2CREAD SDA, SCL, RTCdevice, SecReg,[sec,MINs,hr,day,date,mon,yr]
LCDOUT $fe,1 ' Clear Display
LCDOUT $fe,Line1,"SetTime"
LCDOUT $FE,Line2,HEX2 hr,":",HEX2 MINs,":",HEX2 sec
PAUSE 3000 ' Delay so user can view display
'Test if Alarm1 set correctly by displaying stored Alarm1 time
I2CREAD SDA,SCL,RTCdevice,Alm1sec,[A1sec,A1MINs,A1hr,A1day]
LCDOUT $fe,1 ' Clear Display
LCDOUT $fe,Line1,"SetAlm1"
LCDOUT $FE,Line2,HEX2 A1hr,":",HEX2 A1MINs,":",HEX2 A1sec
PAUSE 3000 ' Delay so user can view display
ENDIF
' Clear STATUS and set CONTROL registers
I2CWRITE SDA, SCL, RTCdevice, StatusReg,[$00]
PAUSE 10
I2CWRITE SDA, SCL, RTCdevice, ContReg,[%00000101]
' Starts oscillator, no interrupts enabled.
' WORKS as intended!!
PAUSE 10
RETURN
Temperature: ' Subroutine to measure temperature from LM34
'===========
' This subroutine is an adaptation from below reference to 10-bit A/D
'****************************************************************
'* Name : LM34.BAS *
'* Author : Bruce Reynolds *
'* Date : 10/23/2001 *
'* Version : 1.0 *
'* Notes : 8-bit A/D temperature conversion with National *
'* ; LM34CAZ analog temperature sensor. *
'* : See http://www.rentron.com/PicBasic/LM34.htm *
'****************************************************************
' Setup registers for A/D input per Sec 21.0 of datasheet
'1. Configure the A/D module:
' Configure analog pins, voltage reference AND I/O (ADCON1)
ADCON1 = %00000011 'Vdd as ref; all analog except AN12 (RB0)
' SELECT A/D INPUT channel (ADCON0)
ADCON0 = %001011000 'Set AN11 (PORTB.4) as A/D input but disabled
' SELECT A/D acquisition time & A/D conversion clock (ADCON2)
ADCON2 = %10110101 'Right justified;TAD=16;A/D clock=Fosc/16
' Turn ON A/D module (ADCON0)
ADCON0.0 = 1 'Enable the A/D module
'2. Configure A/D INTERRUPT (IF desired):
' CLEAR ADIF BIT
' Set ADIE BIT
' Set GIE BIT
'3. WAIT the required acquisition time (IF required).
'PAUSE 250 ' Wait approximately 1/4 seconds per loop
'4. Start conversion-Set GO/DONE BIT (ADCON0 register)
ADCON0.1 = 1
'5. WAIT FOR A/D conversion TO complete, by either:
' Polling FOR the GO/DONE BIT TO be cleared
'OR
' Waiting FOR the A/D INTERRUPT
FOR sample = 1 TO 20 ' Take 20 samples
ADCIN 11, value ' Read channel 11 into temp variable
'PAUSE 2
' or use alternative manual method to read A/D input
'WHILE ADCON0.1 : WEND
'6. READ A/D Result registers (ADRESH:ADRESL);
'CLEAR BIT ADIF, if required.
'value.HIGHBYTE = ADRESH
'value.LOWBYTE = ADRESL
samples = samples + value ' Accumulate 20 samples
'7. FOR NEXT conversion, go TO STEP 1 or STEP 2, as
'required. The A/D conversion time per BIT IS
'defined as TAD. A minimum WAIT of 3 TAD IS
'required before the NEXT acquisition starts.
PAUSE 250 ' Wait approximately 1/4 seconds per loop
NEXT sample
value = samples/20 ' Determine average of 20 measurements
'ADC Math for 10-bit A/D when using Vdd as referenc
'ADC Resolution = 4.99 V/1024 COUNT = 4.912109 mV/COUNT
'=> LM34DZ OUTPUT voltage (mV) = 2 x COUNT
'Temperature ( F) = LM34 OUTPUT voltage in mV/10
'=> Temperature ( F) = 4.912109 x COUNT/10 = 0.4912109*COUNT
' Therefore temp = 0.4912109*Count or approx. = Count/2.036
' To avoid floating point math, multiply by 1000 and then DIV32
value = 1000 * value
temp = DIV32 2036
'temp = value
samples = 0 ' Clear old sample accumulator for next cycle
ADCON1 = 255 ' Go to all digital ops
RETURN
Email:
EMAIL_SET:
SEROUT2 TX,6,["AT+iSBJ:iChip ADC TEMPERATURE",$d,$a] 'Permanently sets Email header s Subject field
SERIN2 RX ,6,2500,EMAIL_SET,[WAIT("I/OK")]
SEROUT2 TX,6,["AT+iTOA:[email protected]",$d,$a] 'Permanently sets Email addressee
SERIN2 RX ,6,2500,EMAIL_SET,[WAIT("I/OK")]
SEROUT2 TX,6,["AT+ito:jellis00",$d,$a] 'Permanently sets Email header s =To: description
SERIN2 RX ,6,2500,EMAIL_SET,[WAIT("I/OK")]
SEROUT2 TX,6,["AT+iREA:[email protected]",$d,$a] 'Permanently sets the RETURN EMAIL Address
SERIN2 RX ,6,2500,EMAIL_SET,[WAIT("I/OK")]
SEROUT2 TX,6,["AT+iFRM:iChip",$d,$a] 'Permanently sets Email header =From: description.
SERIN2 RX ,6,2500,EMAIL_SET,[WAIT("I/OK")]
SEROUT2 TX,6,["AT+iSMTP:mail.comcast.net",$d,$a]'Sets the SMTP Server Name or IP.
SERIN2 RX ,6,2500,EMAIL_SET,[WAIT("I/OK")]
SEROUT2 TX,6,["AT+iSMA=1",$d,$a] 'Permanently sets SMTP authentication method
SERIN2 RX ,6,2500,EMAIL_SET,[WAIT("I/OK")]
SEROUT2 TX,6,["AT+iSMP:Kevin111",$d,$a] 'Permanently sets authenticated SMTP login
SERIN2 RX ,6,2500,EMAIL_SET,[WAIT("I/OK")]
SEROUT2 TX,6,["AT+iSMU:[email protected]",$d,$a]'Permanently sets Authenticated SMTP login User Name.
SERIN2 RX ,6,2500,EMAIL_SET,[WAIT("I/OK")]
' Put code here to email low temperature warning via WiFi
SEROUT2 TX,6,["AT+iEMA:",$d,$a] 'Defines a plain text e-mail body
SEROUT2 TX,6,["HI, THIS IS FROM 206 N Veterans.",$d,$a]
SEROUT2 TX,6,["SENT EVERY 2 minutes.",$d,$a]
SEROUT2 TX,6,["THE TEMPERATURE IS.",$d,$a]
SEROUT2 TX,6,[DEC temp," F Inside.",$d,$a]
SEROUT2 TX,6,["GO TO:",$d,$a]
SEROUT2 TX,6,["http://www.lodestarassoc.com/ichip/ichip.html",$d,$a]
SEROUT2 TX,6,["FOR A ONE MINUTE UPDATE.",$d,$a]
'After successfully sending the e-mail, IF the stay online flag (!) IS specified.
SEROUT2 TX,6,[$d,$a,".",$d,$a]
SERIN2 RX,6,[WAIT("I/ONLINE")]
PAUSE 1000
'SEROUT2 PORTC.0,16468,["EMAIL SENT ",$d,$a] 'test not used
WRITE 5,$01 ' Write 1 to EEPROM as test if Email sent
HIGH PORTC.5 ' blink green led as test to show email sent
PAUSE 1000
LOW PORTC.5
RETURN
DIP:
'IF (!ADR[1]) AND )!ADR[1]) AND (!ADR[2]) AND (!ADR[3]) THEN
HIGH PORTC.6 'blink red led as test if not connected
PAUSE 1000
LOW PORTC.6
'ENDIF
'SEROUT2 PORTC.0,16468,[" CONNECTED ",$d,$a] ' test not used
'SEROUT2 PORTC.0,16468,["ADR - " ,DEC3 ADR[0],".",DEC3 ADR[1],".",DEC3 ADR[2],".",DEC3 ADR[3],$d,$a]
PAUSE 1000
RETURN
BROKE:
SEROUT2 PORTC.0,16468,["NOT WORKING",$d,$a] 'Commented out for now
WRITE 16, "B" 'Record in EEPROM as test if Broke
' Blink LED_RED 2X times to indicate iChip not working
FOR I = 0 TO 1
HIGH LED_RED
PAUSE 500
LOW LED_RED
PAUSE 500
NEXT
PAUSE 500
GOTO BOOT
' ----------------------[ END OF SUBROUTINES ]--------------------------
JumpPoint:
'Setup before starting Main Program
IF LCD_Flag = 1 THEN ' only if LCD installed....
GOSUB InitializeDisplay ' initialize LCD before starting mainloop
ENDIF
IF LCD_Flag = 1 THEN ' This code block FOR TESTING ONLY with LCD
LCDOut $fe,1' Clear Display
LCDOUT $fe,Line1,"Entered"
LCDOUT $fe,Line2,"JumpPoint"
Pause 2000
ENDIF
'GOSUB SetTimeAndDate 'RTC presumably already set. Uncomment if not &
'set the current time and alarm settings in the
'SetTimeAndDate subroutine.
'Initialize epoch indexes at time of powerup/reset
I2CREAD SDA, SCL, RTCdevice, SecReg,[sec,MINs,hr,day,date,mon,yr]
PAUSE 20
' Write start date/time/Alarm1 to EEPROM at startup
WRITE 7, mon
WRITE 8, date
WRITE 9, yr
WRITE 11, hr
WRITE 12, MINs
WRITE 13, sec
WRITE 14, A1hr
WRITE 15, A1MINs
Pause 20
J = 0 ' Initialize EEPROM logging index
' Setup test for low voltage condition that causes Vdd to go below 3.3 vdc
' Setup registers for HLVD module to support low voltage interrupt
' Setup the interrupt and an ISR in your code and enable the interrupt
' where you want to test for low voltage
'Initialize LEDs to off
LOW LED_GRN
LOW LED_RED
' Enable the interrupts that are to be active during main loop.
ext_pwr = 1 ' Turn on external power to LM34 & SRF02
logflag = 0 ' Clear flag before main loop
@ INT_ENABLE RBC_INT ; enable RB Port Change interrupts
@ INT_ENABLE LVD_INT ; enable LVD interrupt
HIGH ext_pwr ' Turn external power on to SRF02 & LM34
'--------------------[ Begin Main Program Loop ]-------------------------
;@ StartSize(MainLoop) ; FOR TEST ONLY
mainloop:
' Blink Green LED 1x at start of Main Loop
HIGH LED_GRN
PAUSE 250
LOW LED_GRN
PAUSE 250
' Read current time/date
I2CREAD SDA, SCL, RTCdevice, SecReg,[sec,MINs,hr,day,date,mon,yr]
PAUSE 20
' Display current Date/Time if LCD installed
IF LCD_Flag = 1 THEN ' Display only if LCD installed
LCDOUT $fe,1 ' Clear Display
LCDOUT $fe,Line1,HEX2 mon,"/",HEX2 date,"/", HEX2 yr
LCDOUT $FE,Line2,HEX2 hr,":",HEX2 MINs,":",HEX2 sec
ENDIF
' Read temperature and send email if below/above threshold
GOSUB Temperature
IF (temp <= $28) THEN ' If temp <= 40 deg F send email
GOSUB Email
ENDIF
IF (temp >= $55) THEN ' If temp >= 85 deg F send email
GOSUB Email
ENDIF
ADCON1 = %00001110
' Write current temperature to EEPROM ....for test only..comment out
WRITE 10, temp
' If low voltage exists during main loop a HLVD interrupt will take place
' here and LED_RED will blink 3x warning of low voltage.
IF LowVolt = 1 THEN ' Blink LED_RED 5X to indicate Low Voltage detected
FOR I = 0 TO 2
HIGH LED_RED
PAUSE 250
LOW LED_RED
PAUSE 250
LowVolt=0 ' Reset LowVolt flag
NEXT
ENDIF
' Put code here for actions to take due to RTC Alarm1 interrupt
IF logflag = 1 THEN 'RTC interrupt has occured..start ISR
FOR I = 0 TO 1 ' Blink Green LED 2x due to ISR entry
HIGH LED_GRN
PAUSE 250
LOW LED_GRN
PAUSE 250
NEXT
IF J > 220 THEN ' If logging space is full start over with logging
J = 0 ' Reset logging index to start of logging space
' Logging space covers time stamps for 220 interrupts
ENDIF
'Put code here to measure/log temperature from LM34 analog sensor
GOSUB Temperature
WRITE 16+J, hr ' Log timestamp for temperature to EEPROM
WRITE 17+J, MINs
WRITE 18+J, sec
WRITE 19+J, temp
J = J+4
' Read temperature and send email if below/above threshold
GOSUB Temperature
IF (temp <= $28) THEN ' If temp <= 40 deg F send emai
GOSUB Email
ENDIF
IF (temp >= $55) THEN ' If temp >= 85 deg F send email
GOSUB Email
ENDIF
ADCON1 = %00001110
'If LCD installed reset to all digital ops before display of temperature
IF LCD_Flag = 1 THEN
TRISA = 0 ' Reset PortA to all outputs for LCD use
TRISB = %00001100 ' RB2 & RB3 set as RTC Alarm1 & Alarm2 inputs
' PORTB.2 is also an input from switch grounding
ADCON0 = %00101100 ' A/D idle and disabled
ADCON1 = %00101111 ' All Digital
LCDOUT $fe,1 ' Clear Display
LCDOUT $fe,Line1,"Temp:" ' Display measured temperature
LCDOUT $FE,Line2, DEC temp, " DEG F"
PAUSE 1000
ENDIF
' Clear RTC STATUS and set CONTROL registers for next RTC interrupt
I2CWRITE SDA, SCL, RTCdevice, StatusReg,[$00]
PAUSE 10
I2CWRITE SDA, SCL, RTCdevice, ContReg,[%00000101]
logflag = 0 ' clear flag after logging
ENDIF
GOTO mainloop
END
;@ EndSize(MainLoop) ; Uncomment FOR TEST ONLY
'--------------------[ Begin Interrupt Handlers ]------------------------
Alarm:
logflag = 1 ' Set flag to trigger logging in mainloop
' Resume Program where Interrupt happened
@ INT_RETURN
VoltLow:
LowVolt = 1 ' Set low supply voltage warning flag
' Resume Program where Interrupt happened
@ INT_RETURN
'------------------{ End of Interrupt Handlers }-------------------------
End ' Safety measure to insure program stops if reaches here
;@ EndSize(LOOKUP) ; FOR TEST ONLY
;@ LibrarySize ; FOR TEST ONLY
;@ UserSize ; FOR TEST ONLY
;@ TotalSize ; FOR TEST ONLY
Re: How to resolve assembler error 306?
Originally Posted by mister_e
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