Newbie? Problem with LCD

[Acetronics2]

Ok, lew

Seems you use MPASM as an assembler ...

so don't use PM commands !

@ __config _CONFIG1, _HS_OSC & _WDT_ON & _MCLRE_ON & _LVP_OFF & _CP_OFF

should Work somewhat better ...

Alain

[rmteo]

You think this MikroBASIC code is more difficult than what you came up with?

program Lcd_demo

main:

  Lcd_Init(PORTB)                    ' Initialize LCD connected to PORTB
  Delay_ms(500)

  While true

    Lcd_Cmd(LCD_CLEAR)               ' Send command to LCD "clear display"
    Lcd_Out(1,1,"Hello")               ' Print txt to LCD, 1st row, 1st column
    Delay_ms(500)

    Lcd_Cmd(LCD_CLEAR)               ' Send command to LCD "clear display"
    Lcd_Out(2,1,"World")              ' Print txt to LCD, 2nd row, 1st column
    Delay_ms(500)

  Wend

end.

[Acetronics2]

You think this MikroBASIC code...

Hi, Rmteo

PBP also has the While - Wend loops ... LOL

Seriously ... Having tested both ... on " real " programs.

No comparison possible ... MkBasic FAR Behind ...


BTW ... If you'd want a C Pro license ... I GIVE you mine.

Not Joking at all !

Alain

[rmteo]

Hi, Rmteo

PBP also has the While - Wend loops ... LOL

Seriously ... Having tested both ... on " real " programs.

No comparison possible ... MkBasic FAR Behind ...


BTW ... If you'd want a C Pro license ... I GIVE you mine.

Not Joking at all !

Alain

Although I am not a C user, I'll take it.

[lew247]

Ok, lew

Seems you use MPASM as an assembler ...

so don't use PM commands !

@ __config _CONFIG1, _HS_OSC & _WDT_ON & _MCLRE_ON & _LVP_OFF & _CP_OFF

should Work somewhat better ...

Alain

Sorry I forgot totally about that, PM would not work at all,because I have an X64 system

For some reason @ __config _CONFIG1, _HS_OSC & _WDT_ON & _MCLRE_ON & _LVP_OFF & _CP_OFF will not work

If I add it at the beginning I get Error [118] c:\pbp\tests\cdtes~1.asm 108 : Overwriting previous address contents (2007)

If I put this at the beginning of the program it compiles with no errors but won't work.

Define Device 16f887
Define OSC 8
adcon1 = 7
PORTB  = %00000000
TRISB  = %00000000 
IOCB = 0
CM1CON0 = 0
CM2CON0 = 0
CCP1CON = 0
CM2CON1 = 0
INTCON = 0

I checked the datasheet of the 16f887 (using this because it came supplied with it) and I THINK I've configured all registers on PortB


It would be good if I could change LCD pins as suggested but unfortunately not possible on this board.
And I need to learn what is wrong so next time I won't (hopefully) need to ask for help.

[Acetronics2]

If I add it at the beginning I get Error [118] c:\pbp\tests\cdtes~1.asm 108 : Overwriting previous address contents (2007)

Yes ...

With MPLAB you also must comment the PBP default config in the relevant .inc file ...

see details here:

http://www.picbasic.co.uk/forum/showthread.php?t=543

...

Alain

[lew247]

Got it working at last
Thanks for all the help everyone.

I think the problem I had was I was trying to overwrite the inc files without realising.

I now have @ __config _CONFIG1, _HS_OSC & _WDT_ON & _MCLRE_ON & _LVP_OFF & _CP_OFF
as the config

However the programmer always tried to program in low voltage mode, I have to manually set it to off.

I'd like to sort that out, but I can live with it if needed.

Edit: Works with 16F877A but not 16F887 for some weird reason!

found it!

This works for the 16f887

@ __config _CONFIG1, _HS_OSC & _WDT_ON & _MCLRE_ON & _LVP_OFF & _CP_OFF
Define device 16F887
Define OSC 8
ANSEL=0  ' A/D disabled for ANS0 to ANS7
ANSELH=0 ' A/D disabled for ANS8 to ANS13
CM1CON0 = 0 ' Disable comparators
CM2CON0 = 0 ' These default to disabled at POR, but just in case
CM2CON1 = 0
adcon1 = 7
IOCB = 0
INTCON = 0
ansel = 0 
anselh = 0
PORTB  = %00000000
TRISB  = %00000000

However still got the programming issued I've got to set the low power programming to off manually and the oscillator to HS

[Acetronics2]

May be you should have a look to the upper part of the MPLAB Configuration bits window ...

an option to choose ...


Alain