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  1. Replies
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    send 9 bits via hserout

    Hello Folks,
    I'd like to build my own serial communication protocol with rs485. Therefore I have to send the data in 9 bit mode.
    Example:
    first byte + 9th bit set -> that's the adress of the...
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    4,060

    Re: Getting 18F458 to blink

    All three of you where right. Thank you all. Deleted the "LED low" command (wich I added after nothing happened). Added "CMCON = 7" as Shawn suggested. Now it works. Grrrmmm three lousy bits, many...
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    4,060

    Getting 18F458 to blink

    Hey fellow PICers :topsy_turvy:

    After a few projects with PIC 16F series, I try to move on to the more advanced PIC 18F series. But already at the very beginning I got stuck. I tried already to...
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    3,453

    Re: jumping out of subroutine with goto

    Thanks for all. That is a solution to the problem. Thank you.
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    3,453

    jumping out of subroutine with goto

    Hey @ all,
    I wonder what happens within the µC when I write code that jumps out of a subroutine with the goto command?

    Example:



    main:
    GOSUB label
    goto main
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    2,174

    Does HPWM affect PULSOUT?

    Hey there,
    I wonder if the HPWM signal affects somehow the PULSOUT command? I connected a servo and motors to a 16F876. The motors are driven by HPWM, the servo by PULSOUT. Now, if the motors turn...
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    591,608

    Re: Instant Interrupts - Revisited

    Hm, thanks Darryl. The datasheet isn't really clear in this case (written in the datasheet is only PORTB<7:4>). I always thought portb change is the whole portb as the name says.
    I'll check this out...
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    591,608

    Weird PortB change interrupt

    Hey there,
    I'm trying to code a portb change interrupt routine with DT's Inst Ints, but it does very weird stuff, and I can't find out why.

    The setup:
    PIC 16F876 @ 20 MHz
    I have connected...
  9. Thread: LCD via 74HC595

    by helloo
    Replies
    7
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    11,630

    The circuit and the program work now. It's easily...

    The circuit and the program work now. It's easily possible to drive up to three LCDs with only three I/O pins of the µC. Darryls "strings.pbp" work with only minor changes for my program. Thanks...
  10. Thread: LCD via 74HC595

    by helloo
    Replies
    7
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    11,630

    Hi coders, yepp, it was the darn LC display. I...

    Hi coders,
    yepp, it was the darn LC display. I tried the 1602, and the code works. *grnnpgf* I spent 5 days of trying for nothing...

    Anyway, the next goal is to store strings in PICs memory, and...
  11. Thread: LCD via 74HC595

    by helloo
    Replies
    7
    Views
    11,630

    Hi Darryl, thank you for trying to help, but...

    Hi Darryl,
    thank you for trying to help, but after another three days of trying, changing bytes, switching bits, I am pretty sure that my LCD doesnt meet HD44780 specs for 100%.

    Your code does...
  12. Thread: LCD via 74HC595

    by helloo
    Replies
    7
    Views
    11,630

    LCD via 74HC595

    Hello coders,
    I'm stuck in a problem: I've connected a LC display with a 16F876A via a 74HC595 stack IC. But the display does'nt do what I want it to.
    The cirquit is O.K., the communication to...
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    4,970

    merhaba. Do you have a pullup resistor on pin...

    merhaba. Do you have a pullup resistor on pin a5/mclr?

    That was often the reason why my progs didn't seem to work.

    But beware: If you use ICSP you have to combine the resistor with a diode to...
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    2,708

    Thanks a lot! I was searching over and over again...

    Thanks a lot! I was searching over and over again yesterday, but i guess i used the wrong words to search for...
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    2,708

    Store DATA within Program ROM?

    Hello Folks,
    i wonder if there's a way to store a table of constants within the ROM of the PIC, maybe just after the program, with PICBasicPro? Or in ASM? Or is the only way editing the HEX file?...
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