Displaying temperature Setpoints


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  1. #1
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    should display binary number

  2. #2
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    Quote Originally Posted by Kalind View Post
    should display binary number
    And does it?

  3. #3
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    i dont know..this isnt the main concern...lets get back to reality

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    Thumbs down I tried...I give up...

    Quote Originally Posted by Kalind View Post
    i dont know..this isnt the main concern...lets get back to reality
    Not the main concern? Where are you at? Happy-ville where everything works the 1st time according your wishes?
    That little 'display a binary number' program would verify that all of your buttons actually work and change states. If your buttons don't work in the first place, which you're not 100% sure they do, you just say they do because they're connected, how do you expect the rest of the program to follow suit?
    Get back to reality? Here's a bit of reality for you... I was all set to lead you from one place to the next to the end, with a ready-made program, and figured you might learn a little bit of something along the way.
    Here's the reality part...How about you finish this project on your own? Then let us know how that goes for you?
    Maybe somebody else with a bigger heart will come along, write the code to exactly watch your specifications and your hardware, debug it, test it under all known conditions, then drop by your house some weekend, with a finished PCB, a CD with all of the code on it, fully commented and explained in a long long video, and might even bring a 6-pack of your favorite beverage, and a large pizza from the local vendor.
    As Dennis Miller used to say on Saturday Night Live back in the day "That's the news, and I am outta here!!!"

  5. #5
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    Exclamation

    myself. Sticking to the basics.

  6. #6
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    Unhappy Final Attempt

    Does this make any sense? (Well to me it does) At the moment, nothing appears on the LCD. Please could somebody tell me what I need to add/delete to obtain success from this code.

    Define LCD_DREG PORTB
    Define LCD_DBIT 0
    Define LCD_RSREG PORTB
    Define LCD_RSBIT 5
    Define LCD_EREG PORTB
    Define LCD_EBIT 4
    DEFINE LCD_BITS 4
    DEFINE LCD_LINES 2

    tempc var word
    tempc1 var word
    Conv1 Con 4
    Conv2 Con 82/100
    mode var byte
    keyin var byte
    adval var word
    highpt var byte
    lowpt var byte
    up var portc.0
    down var portc.1
    sethighp var portc.2
    setlowp var portc.3
    maindisp var portc.4
    trisc=$ff
    trisa=$ff

    adcon1=$82
    adcon0=$c1
    pause 100

    main:

    gosub checkdone

    gosub getkey

    checkdone:
    if adcon0.2=1 then checkdone

    adval.highbyte=adresh
    adval.lowbyte=adresl
    Lcdout $fe, 1
    tempc = adval * Conv1
    tempc1 = adval * Conv2
    tempc = tempc + tempc1
    pause 1000
    return

    getkey:
    pause 50
    keyin = portc
    return

    if maindisp = 1 then
    write 0 , sethighp
    pause 10
    write 1 , sethighp
    LCDOut "TEMP = ", dec(tempc / 10), ".", dec1 (tempc // 100), $DF , "C"
    endif

    if maindisp = 1 then
    write 2 , setlowp
    pause 10
    write 3 , setlowp
    LCDOut "TEMP = ", dec(tempc / 10), ".", dec1 (tempc // 100), $DF , "C"
    endif

    if sethighp = 1 then gosub setsetpointh
    if setlowp = 1 then gosub setsetpointl

    setsetpointh:

    lcdout $fe , $80 , "High Sp=" , $fe , $c0 , dec highpt
    if up = 1 then highpt = highpt + 1
    if down = 1 then highpt = highpt - 1
    return

    setsetpointl:

    lcdout $fe , $80 , "Low Pt=" , $fe , $c0 , dec lowpt
    if up = 1 then lowpt = lowpt + 1
    if down = 1 then lowpt = lowpt - 1
    return

    goto main

  7. #7
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    Cool Still not paying attention...

    Quote Originally Posted by Kalind View Post
    Does this make any sense? (Well to me it does) At the moment, nothing appears on the LCD. Please could somebody tell me what I need to add/delete to obtain success from this code.
    i dont know..this isnt the main concern...lets get back to reality
    The reality is that you don't read and/or follow thru your own code (or somebody else's code for that matter)...
    If you did, you'd find at least 2 hard 'breaks' and 5 'bugs'...
    Last edited by skimask; - 21st October 2008 at 14:08.

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