BUG IN PBP 2.50 & 2.50A pic16F688 ??

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  1. - 13th December 2007, 13:02 #1
    FRANCISCOGIM's Avatar
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    Thumbs down BUG IN PBP 2.50 & 2.50A pic16F688 ??

    TEST PBP 2.50 & 2.50A:

    'DEVICES------------------------------------------------------------------
    @ DEVICE pic16F688,HS_OSC
    @ DEVICE pic16F688,WDT_OFF ' Watchdog Timer
    @ DEVICE pic16F688,PWRT_ON ' Power-On Timer
    @ DEVICE pic16F688,BOD_ON ' Brown-Out Det
    @ DEVICE pic16F688,CPD_OFF ' Data Memory Code Protect 876
    @ DEVICE pic16F688,PROTECT_OFF' Program Code Protection
    '-------------------------------------------------------------------------

    'DEFINES-----------------------------------------------------------------
    DEFINE OSC 20
    DEFINE HSER_RCSTA 90h 'Registro receptor en receptor habilitado
    DEFINE HSER_TSTA 24h 'Rregistro de transmisión en transmisión habilitada
    DEFINE HSER_BAUD 19200
    DEFINE HSER_CLROERR 1
    DEFINE NO_CLRWDT 1

    CMCON0=7
    ADCON0=7
    ANSEL=0
    WPUA=0
    WPU=0
    IOCA=0
    PCON=0
    PIE1=0

    TRISA=%00111111
    TRISC=%00100010

    INICIO:
    PORTC.0=1:PAUSE 1000:PORTC0=0 ' LED ON / OFF OK
    OWOUT PORTA.1,1,[$33] ' <----------- PIC STOP , NO GOTO INICIO
    GOTO INICIO






    TEST PBP 2.47

    'DEVICES------------------------------------------------------------------
    @ DEVICE pic16F688,HS_OSC
    @ DEVICE pic16F688,WDT_OFF ' Watchdog Timer
    @ DEVICE pic16F688,PWRT_ON ' Power-On Timer
    @ DEVICE pic16F688,BOD_ON ' Brown-Out Det
    @ DEVICE pic16F688,CPD_OFF ' Data Memory Code Protect 876
    @ DEVICE pic16F688,PROTECT_OFF' Program Code Protection
    '-------------------------------------------------------------------------

    'DEFINES-----------------------------------------------------------------
    DEFINE OSC 20
    DEFINE HSER_RCSTA 90h 'Registro receptor en receptor habilitado
    DEFINE HSER_TSTA 24h 'Rregistro de transmisión en transmisión habilitada
    DEFINE HSER_BAUD 19200
    DEFINE HSER_CLROERR 1
    DEFINE NO_CLRWDT 1

    'ALL DIGITAL MODE

    CMCON0=7
    ADCON0=7
    ANSEL=0
    WPUA=0
    WPU=0
    IOCA=0
    PCON=0
    PIE1=0

    TRISA=%00111111
    TRISC=%00100010

    INICIO:
    PORTC.0=1:PAUSE 1000:PORTC0=0 ' LED ON / OFF OK
    OWOUT PORTA.1,1,[$33] ' <----------- PIC NO STOP OK
    GOTO INICIO 'OK GOTO INICIO
  2. - 13th December 2007, 13:38 #2
    Acetronics2's Avatar
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    Talking Where's the bug ???

    Hi, Francisco ...

    The Bug is yours !!!


    1st listing

    BAD : PORTC.0=1:PAUSE 1000:PORTC0=0 ' LED ON / OFF OK

    2nd listing

    BAD : PORTC.0=1:PAUSE 1000:PORTC0=0 ' LED ON / OFF OK


    MCS highlights it at first launch !!! MPLAB too ...


    You offer a beer to everyone here ... LOL !

    Alain
    Last edited by Acetronics2; - 13th December 2007 at 14:10.
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
  3. - 13th December 2007, 16:26 #3
    FRANCISCOGIM's Avatar
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    Smile BUG IN PBP 2.50 & 2.50A pic16F688 ??

    Well, we like this:

    TEST PBP 2.50 & 2.50A:

    'DEVICES------------------------------------------------------------------
    @ DEVICE pic16F688,HS_OSC
    @ DEVICE pic16F688,WDT_OFF ' Watchdog Timer
    @ DEVICE pic16F688,PWRT_ON ' Power-On Timer
    @ DEVICE pic16F688,BOD_ON ' Brown-Out Det
    @ DEVICE pic16F688,CPD_OFF ' Data Memory Code Protect 876
    @ DEVICE pic16F688,PROTECT_OFF' Program Code Protection
    '-------------------------------------------------------------------------

    'DEFINES-----------------------------------------------------------------
    DEFINE OSC 20
    DEFINE HSER_RCSTA 90h 'Registro receptor en receptor habilitado
    DEFINE HSER_TSTA 24h 'Rregistro de transmisión en transmisión habilitada
    DEFINE HSER_BAUD 19200
    DEFINE HSER_CLROERR 1
    DEFINE NO_CLRWDT 1

    CMCON0=7
    ADCON0=7
    ANSEL=0
    WPUA=0
    WPU=0
    IOCA=0
    PCON=0
    PIE1=0

    TRISA=%00111111
    TRISC=%00100010

    INICIO:
    PORTC.0=1:PAUSE 1000:PORTC.0=0 ' LED ON / OFF OK
    OWOUT PORTA.1,1,[$33] ' <----------- PIC STOP , NO GOTO INICIO
    GOTO INICIO






    TEST PBP 2.47

    'DEVICES------------------------------------------------------------------
    @ DEVICE pic16F688,HS_OSC
    @ DEVICE pic16F688,WDT_OFF ' Watchdog Timer
    @ DEVICE pic16F688,PWRT_ON ' Power-On Timer
    @ DEVICE pic16F688,BOD_ON ' Brown-Out Det
    @ DEVICE pic16F688,CPD_OFF ' Data Memory Code Protect 876
    @ DEVICE pic16F688,PROTECT_OFF' Program Code Protection
    '-------------------------------------------------------------------------

    'DEFINES-----------------------------------------------------------------
    DEFINE OSC 20
    DEFINE HSER_RCSTA 90h 'Registro receptor en receptor habilitado
    DEFINE HSER_TSTA 24h 'Rregistro de transmisión en transmisión habilitada
    DEFINE HSER_BAUD 19200
    DEFINE HSER_CLROERR 1
    DEFINE NO_CLRWDT 1

    'ALL DIGITAL MODE

    CMCON0=7
    ADCON0=7
    ANSEL=0
    WPUA=0
    WPU=0
    IOCA=0
    PCON=0
    PIE1=0

    TRISA=%00111111
    TRISC=%00100010

    INICIO:
    PORTC.0=1:PAUSE 1000:PORTC.0=0 ' LED ON / OFF OK
    OWOUT PORTA.1,1,[$33] ' <----------- PIC NO STOP OK
    GOTO INICIO 'OK GOTO INICIO


    When compiled with pbp 5.xx or higher on the lines OWINOUT the micro stands and not continue the process, the same thing happens if you use SEROUT/SEROUT2. If you compile with pbp 2.47 then it works well.
  4. - 13th December 2007, 17:33 #4
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    Default

    Yep. There is a problem in the OWOUT library routine that causes a continuous loop if the
    defined OSC > 8.

    Open your pbppic14.lib. Scroll down to the OWOUT library routine.

    Change this;
    Code:
        iorwf   INDF, F     ; Set to input then wait ~10us for recovery
    decfsz  R1 + 1, F   ; Do next bit, if any
  if (OSC > 8)
    movlw    9          ; Delay 9us
    call     PAUSEUS
  endif
    goto     owoutloop
    To this;
    Code:
        iorwf    INDF, F     ; Set to input then wait ~10us for recovery
   if (OSC > 8)
    movlw    9           ; Delay 9us
    call     PAUSEUS
   endif
    decfsz  R1 + 1, F    ; Do next bit, if any
    goto    owoutloop
    decfsz R1 + 1, F needs to be after if (OSC > 8) and just before goto owoutloop or you're stuck
    in a nasty continuous loop whenver OSC > 8.
    Last edited by Bruce; - 13th December 2007 at 17:36.
    Regards,

    -Bruce
    tech at rentron.com
    http://www.rentron.com
  5. - 13th December 2007, 17:37 #5
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    Default

    I don't have this specific PIC here, but yes it seems that once you add the OWOUT line, things goes bad... at least on MPSIM.

    EVEN THAT ONE..
    Code:
    INICIO:
        PORTC.0=1
        PAUSE 1000
        PORTC.0=0 ' LED ON / OFF OK

        GOTO INICIO

OWOUT PORTA.1,1,[$33] ' <----------- PIC STOP , NO GOTO INICIO
    Do nothing. It seems to work on a 16F877 so far... worth a report to Melabs.

    EDIT: OK OK... Bruce beat me
    EDIT2: Solution work as expected.
    Last edited by mister_e; - 13th December 2007 at 17:42.
    Steve

    It's not a bug, it's a random feature.
    There's no problem, only learning opportunities.
  6. - 13th December 2007, 19:31 #6
    Acetronics2's Avatar
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    Wink

    Rhhaaaaa !!!

    Bruce beats everybody ... but how did he know ??? MPsim ???

    I just tested an old DS 1820 4 Mhz program ... that still goes pretty well ...



    Ho... by the way ...

    Bruce, congratulations for your commercial service .... works pretty fine to Europe.

    Alain
    ************************************************** ***********************
    Why insist on using 32 Bits when you're not even able to deal with the first 8 ones ??? ehhhhhh ...
    ************************************************** ***********************
    IF there is the word "Problem" in your question ...
    certainly the answer is " RTFM " or " RTFDataSheet " !!!
    *****************************************
  7. - 13th December 2007, 21:36 #7
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    Default

    Hi Alain,

    ... but how did he know ??? MPsim ???
    I just got lucky and looked at the OWOUT library first. MPSIM would for sure have been my
    next choice however.

    congratulations for your commercial service .... works pretty fine to Europe.
    Thank you. I wish it worked that well to everywhere outside the U.S....;o}
    Regards,

    -Bruce
    tech at rentron.com
    http://www.rentron.com
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