Problems with 16F684

[fratello]

Mr.Darrel ! THANK YOU for watching my post ! It's such a nice surprise !
The rest of code it's in post #1 ; just the parts concerning 16F684 and "LCD_AnyPin" it's changed...

[Darrel Taylor]

I don't get any errors with the code from post#1.

Well, at least not with the LCD.
I think you still have some problems in the code working with the DS18B20 though.

[fratello]

It's strange ! Using hardware and code from post #1 (and #2) the things are OK, in Proteus and "in vivo" ; changing just the configuration of LCD pins the schematic dont work anymore...I will try to build the schematic and see what happens

[fratello]

Simple schematic, simple code, WITHOUT DS18B20 ...Still no result !!! I am ...

@ DEVICE pic16F684, intrc_osc_noclkout, WDT_OFF, PWRT_OFF, BOD_OFF, MCLR_ON
define osc 4

TRISA= %00000000                           
TRISC= %00001000
                
CMCON0  = %00000111      'Disable analog comparators.     

DEFINE ADC_BITS 10       ' 10 bit A/D Conversion
DEFINE ADC_CLOCK 3
DEFINE ADC_SAMPLEUS 50   ' 50 uS A/D sample time

VRCON  = %00000000       ' Disable Comparator Voltage Reference
ANSEL  = %10000000       ' Set pin (AN7) to analog input, the rest to digital
ADCON0 = %10011101       ' Set up A/D converter - Right Just., VDD REF., CH 7, ON
ADCON1 = %00110000       ' Set up A/D Converter clock source to internal RC

;----[ Change these to match your LCD ]--------------------------------------- 
LCD_DB4    VAR PORTA.2 
LCD_DB5    VAR PORTC.0 
LCD_DB6    VAR PORTC.1 
LCD_DB7    VAR PORTC.2 
LCD_RS     VAR PORTA.0 
LCD_E      VAR PORTA.1 
LCD_Lines  CON 1     ' # of Lines on LCD, 1 or 2 (Note: use 2 for 4 lines) 
LCD_DATAUS CON 50     ' Data delay time in us 
LCD_COMMANDUS CON 2000     ' Command delay time in us 

INCLUDE "LCD_AnyPin.pbp" 

Vfs             con     20480           '20,480v 
K16             con     61441           'coefficiente filtro 15/16
Vbatt           var     word            'Vbatt filtrato
TmpW            var     word
Acc_Vbatt       var     word            'accumulatore Vbatt filtrato * 16


Pause 500
LCDOUT $FE, 1, $FE, $0C                 ' Clear display, cursor off
Pause 500

Main :
        ADCON0.1 = 1                          'start A/D
        while ADCON0.1 = 1          
        wend
        TmpW.byte1 = ADRESH                        'get A/D value
        TmpW.byte0 = ADRESL
        Acc_Vbatt = Acc_Vbatt ** K16 + TmpW      'filtro 15/16
        Vbatt = Acc_Vbatt / 16                  ' / 16 valore normalizzato       
        Acc_Vbatt = TmpW * 16                 'filter preload  Vbatt * 16
        TmpW = Vbatt * Vfs                    ' AD * 20480
        TmpW = Div32 1024                     '(AD * 20480) / 1024
LcdOut $FE, $c0, dec TmpW dig 4,dec TmpW dig 3,",",dec TmpW dig 2
Goto Main    
return

[fratello]

Same weird behavior using JUST code for thermometer ...

Main :
 OWOut DQ1, 1, [$CC, $44] 
 OWOut DQ1, 1, [$CC, $BE]
 OWIn DQ1, 2, [temperature1.byte0, temperature1.byte1]  
    
If Temperature1.15 then       
  Temperature1= ~Temperature1 +1
  Twist1 = 1
Endif
 
Dummy1 = 625 * Temperature1
TempC1 = DIV32 10 
TempC1 = (Temperature1 & $7FF) >> 4
Float1 = ((Temperature1.Lowbyte & $0F ) * 25 )>>2
Temperature1 = TempC1*100 + Float1

If Twist1 then
  V1= 10000 - Temperature1                 
  Twist1 = 0
 else
  V1= 10000 + Temperature1
EndIf

If V1 >= 10000 then                           
  Temperature1=V1-10000                   
 else                                   
  Temperature1=10000-V1                    
EndIf
'===================================================================================================================
GoSub SelectSign
if (temperature1/100) =>10 then
LcdOut $FE, $80, "I:", Sign1, DEC (Temperature1 / 100), ".", DEC Temperature1 dig 1, 223 
else
LcdOut $FE, $80, "I:", Sign1, $14, DEC (Temperature1 / 100), ".", DEC Temperature1 dig 1, 223 
endif

Goto Main                                                                    
'==========================================================================================================================
SelectSign:
If v1 = 10000 then                      
  Sign1=" "                          
 else 
  If v1 < 10000 then                     
   Sign1="-"                             
  else
   Sign1="+"                          
  EndIf
EndIf
Return

[fratello]

Sorry for pollute this great forum ... I think it's a PROTEUS error ; with the code posted by Mr.Darrel I have the same messages .

[fratello]

Bad news, for me ... The hardware DON'T WORK ! Just some stranges characters appears on display, not stable-fast changing ...cannot post pictures... I try even code of Mr.Darrel (posted above). I think it's a "incompatibility" between THIS PIC and "LCD_AnyPin" ?!?
What else I cand do (outside of using "clasic" configuration of LCD-PIC pins) ?