Code:
'*********************************************************************************
'* Name : Test Program for DS1820 & 4 x 20 LCD *
'* Author : Jessey Montgomery *
'* Includes: Darrel Taylor's EE_Vars.PBP *
'* Date : April 20/th 2009 *
'* Version : Using PicBasic Pro Ver 2.50, MPASM Ver 5.20, Using MicroCode Studio *
'* : 3.0.0.5, PICkit 2 programmer - Application Version 2.50.02 - Device *
'* : File Version 1.5100 - OS Firmware Version 2.30.01. Using a 16F688. *
'*********************************************************************************
'(1) Comments & Objectives
' =====================
' this program is just a test program for checking out the new 4 x 20 lcd and
' also displaying temperature using a DS1820. This program communicates with a
' 16f877 to turn On/Off X10 appliance modules using a fireCracker.
' --------------
' | 16f688 |
' VDD+ (--->) |1 14| (<---) VSS-
' | |
' RA5/TICKI/OSC1/CLKIN (<-->) |2 13| (<-->) RA0/AN0/C1IN+/ICSPDAT/ULPWU
' | |
'RA4/AN3/TIG/OSC2/CLKOUT (<-->) |3 12| (<-->) RA1/AN1/C1IN-/Vref/ICSPCLK
' | |
' RA3/MCLR/Vpp(--->) |4 11| (<-->) RA2/AN2/TOCKI/INT/C1OUT
' | |
' RC5/RX/DX (<-->) |5 10| (<-->) RC0/AN4/C2IN+
' | |
' RC4/C2OUT/TX/CX (<-->) |6 9| (<-->) RC1/AN5/C2IN-
' | |
' RC3/AN7 (<-->) |7 8| (<-->) RC2/AN6
' | |
' --------------
' Clear Each Port Before Setting The TRIS Registers
' =================================================
Clear ' Set all ram registers to zero
PORTA = 0
PORTC = 0
' VSS VDD MCLR Ect. Pins
' ======================
'VDD + '(pin 1)
'VSS - '(pin 14)
' SET THE TRIS
' ============
' PORTA PINS
' ==========
TRISA.0 = 0 '(pin 13) ............................Out_To_877_Pin_37 VAR PORTA.0
TRISA.1 = 0 '(pin 12) ............................Out_To_877_Pin_38 VAR PORTA.1
TRISA.2 = 0 '(pin 11) ............................Out_To_877_Pin_39 VAR PORTA.2
TRISA.3 = 1 '(pin 4) .......................................... DQ VAR PORTA.3
TRISA.4 = 0 '(pin 3) ..........................................Led VAR PORTA.4
TRISA.5 = 1 '(pin 2) .................................... Button_5 VAR PORTA.5
' PORTC PINS
' ==========
TRISC.0 = 0 '(pin 10) Blue........... Lcd Data bit 4
TRISC.1 = 0 '(pin 9) White.......... Lcd Data bit 5
TRISC.2 = 0 '(pin 8) Green.......... Lcd Data bit 6
TRISC.3 = 0 '(pin 7) Orange......... Lcd Data bit 7
TRISC.4 = 0 '(pin 6) Orange/Black... Lcd Register select
TRISC.5 = 0 '(pin 5) Blue/White..... Lcd Enable bit
'(2) PIC Config Fuse Definitions for 16f688
' ======================================
@ __CONFIG _INTOSCIO & _WDT_ON & _MCLRE_OFF & _CP_OFF
@ ERRORLEVEL -306; ' turns off cross page boundary message alerts
'(3) PIC Hardware Definitions (ie Pin-Out & Port Assignments)
' ========================================================
ANSEL = 0
CMCON0 = 7 ' turn off comparators
DEFINE LCD_RSREG PORTC' LCD Register Select Port
DEFINE LCD_RSBIT 4 ' LCD Register Select
DEFINE LCD_EREG PORTC ' LCD Enable Port
DEFINE LCD_EBIT 5 ' LCD Enable
DEFINE LCD_DREG PORTC ' LCD Data Port
DEFINE LCD_DBIT 0 ' LCD data starting bit 0 or 4
Out_To_877_Pin_37 VAR PORTA.0 ' pin 13
Out_To_877_Pin_38 VAR PORTA.1 ' pin 12
Out_To_877_Pin_39 VAR PORTA.2 ' pin 11
Button_5 VAR PORTA.5 ' pin 2
Led VAR PORTA.4 ' pin 3
a VAR BIT ' a always equals zero, used in IF-THEN's instead of using GOTO's
a = 0
Timer VAR byte
Timer = 0
temp VAR WORD ' Temperature storage
count_remain VAR BYTE ' Count remaining
count_per_c VAR BYTE ' Count per degree C
Sign VAR BIT ' bit determines id - sign is needed
DQ VAR PORTA.3 ' One-wire data pin (pin 4)
Is_Pressed CON 0
Is_Not_Pressed CON 1
Is_Turned_On CON 1
Is_Turned_Off CON 0
'4a. EEPROM Assignments
' ==================
INCLUDE "EE_Vars.PBP"
' 'Declare The EE Variable' 'Load A Default Setting For The EE Variable'
X VAR BYTE : @ EE_var _X, BYTE,0
Y VAR BYTE : @ EE_var _Y, BYTE,0
Z VAR BYTE : @ EE_var _Z, BYTE,0
' To write to the eeprom @ EE_write_var _X
' ============================================
' Reset all three PORT outputs to the states they were before the power-loss
' ==========================================================================
IF X = 1 THEN
Out_To_877_Pin_37 = 1
ELSE ' PORTA.0 pin 13
Out_To_877_Pin_37 = 0
ENDIF
IF Y = 1 THEN ' pin 12
Out_To_877_Pin_38 = 1
ELSE ' PORTA.1 pin 12
Out_To_877_Pin_38 = 0
ENDIF
IF Z = 1 THEN 'pin 11
Out_To_877_Pin_39 = 1
ELSE ' PORTA.2 pin 11
Out_To_877_Pin_39 = 0
ENDIF
Led = Is_Turned_Off
LCDOUT 254,64,14,10,14,0,0,0,0,0 ' Cust Char #0 - degree sign
PAUSE 500 ' For LCD
IF a = 0 THEN MainLoop ' a always equals zero, use instead of GOTO...
Turn_On_Or_Off_3:
if Y = 0 then ' Y toggles the #3 X10 module On/Off with each button press
Y = 1 ' Turn On #3 X10 module
ELSE
Y = 0 ' Turn Off #3 X10 module
ENDIF
@ EE_write_var _Y ' remember Y in case of a power failure
IF Y = 0 THEN Out_To_877_Pin_38 = 0 ' #3 X10 module is Off
if Y = 1 then Out_To_877_Pin_38 = 1 ' #3 X10 module is On
RETURN
Turn_On_Or_Off_4:
if X = 0 then ' X toggles the #4 X10 module On/Off with each button press
X = 1 ' Turn On #4 X10 module
ELSE
X = 0 ' Turn Off #4 X10 module
ENDIF
@ EE_write_var _X ' remember X in case of a power failure
IF X = 0 THEN Out_To_877_Pin_37 = 0 ' #4 X10 module is Off
if X = 1 then Out_To_877_Pin_37 = 1 ' #4 X10 module is On
RETURN
Turn_On_Or_Off_5:
if Z = 0 then ' Z toggles the #5 X10 module On/Off with each button press
Z = 1 ' Turn On #5 X10 module
ELSE
Z = 0 ' Turn Off #5 X10 module
ENDIF
@ EE_write_var _Z ' remember Z in case of a power failure
IF Z = 0 THEN Out_To_877_Pin_39 = 0 ' #5 X10 module is Off
if Z = 1 then Out_To_877_Pin_39 = 1 ' #5 X10 module is On
RETURN
Check_Temperature:
OWOut DQ, 1, [$CC, $44] ' Start Temp conversion
waitloop:
OWIn DQ, 4, [count_remain] ' Check for still busy converting
IF count_remain = 0 THEN waitloop
OWOut DQ, 1, [$CC, $BE] ' Read the Temp
OWIn DQ, 0, [temp.LOWBYTE, temp.HIGHBYTE, _
Skip 4, count_remain, count_per_c]
' Calculate temp in degrees Celsius to 2 decimal places
Sign = temp.15
temp = ((ABS(temp) >> 1) * 100)
if Sign then temp = -temp
temp = temp - 25 _
+ (((count_per_c - count_remain) * 100) / count_per_c)
' Convert Celsius to Fahrenheit before returning
Sign = temp.15
temp = (ABS(temp) */ 461)
if Sign then temp = -temp
temp = temp + 3200
RETURN
MainLoop:
GOSUB Check_Temperature
IF Button_5 = Is_Pressed THEN
Timer = 0
WHILE Button_5 = Is_Pressed
Led = Is_Turned_On
Timer = Timer + 1
IF Timer = 4 THEN Timer = 1
lcdout $fe, 1, "Release Sw When ? #",DEC Timer
LCDOut $fe, $c0, "If # = 1 then X10-3 "
lcdout $fe,$94, "If # = 2 then X10-4 "
lcdout $fe,$d4,"If # = 3 then X10-5 "
PAUSE 1000
WEND
Led = Is_Turned_Off
PAUSE 100 ' Debounce Push Button
IF Timer = 1 THEN GOSUB Turn_On_Or_Off_3
IF Timer = 2 THEN GOSUB Turn_On_Or_Off_4
IF Timer = 3 THEN GOSUB Turn_On_Or_Off_5
ENDIF
LCDOut $fe, 1, "X10Temp Demo Program"
LCDOut $fe, $c0," Jessey Montgomery "
lcdout $fe,$94,"#3 = ",DEC Out_To_877_Pin_38, _
" #4 = ",DEC Out_To_877_Pin_37," #5 = ",DEC Out_To_877_Pin_39
lcdout $fe,$d4
LCDOut " Temp = "
if temp.15 = 1 then LCDOut "-"
temp = ABS(temp)
LCDOut DEC temp / 100,0
LCDOut "F "
Pause 100
IF a = 0 THEN MainLoop ' a always equals zero, use instead of GOTO...
End
DS1820 with 16f688
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