Pic Basic TouchScreen? How?

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  1. - 13th April 2008, 08:57 #1
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    I don't want to buy it form CircuitED as the freight cost is so expensive as i live in Europe
    But if it was cheaper (the freight) then i would like to buy the RGB GLCD With TouchScreen!

    But i've found this instead, and it's from a shop in Europe, so it's perfect

    This is the datasheet for the TouchScreen: http://www.mikroe.com/pdf/touch_scre...cification.pdf
    And if you look at nearly the bottom of this page, you see
    Graphic LCD 128x64 with TouchScreen | $24.00USD

    Thank You
  2. - 13th April 2008, 10:28 #2
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    Seems to be the same i have.. It's a Resistive one, the GLCD controller is this Grandpa KS0108.

    The following could give you few hints...
    http://www.hitachi-displays-eu.com/d...Technology.pdf
    http://www.eetindia.co.in/ARTICLES/2...URCES=DOWNLOAD
    http://www.monolitic.com/esp/Notas/t..._resistivo.pdf
    http://www.sfcompiler.co.uk/wiki/pmw...er.TouchScreen
    Steve

    It's not a bug, it's a random feature.
    There's no problem, only learning opportunities.
  3. - 13th April 2008, 10:47 #3
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    Talking I want some precision, but with POT or RCTime commands ...

    Hi, Thomas

    you,ve the "official" scheme on the MkE Databook for EasyPic boards...

    Alain
    Last edited by Acetronics2; - 13th April 2008 at 10:49.
    ************************************************** ***********************
    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 " !!!
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  4. - 13th April 2008, 10:55 #4
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    Thumbs down

    Yes but you really don't need all of those extra transistors, resistors, capacitors stuff...

    If you carefully read and understand the documents above, you'll see how easy it is.

    I think SteveB already post a code snip for that last year or so. I Haven't compared mine with his one yet.

    One more
    http://electronix.ru/forum/index.php...=post&id=18229

    Another one? Why not
    http://www.circuitcellar.com/avr2004...86abstract.pdf
    Last edited by mister_e; - 13th April 2008 at 11:04.
    Steve

    It's not a bug, it's a random feature.
    There's no problem, only learning opportunities.
  5. - 13th April 2008, 11:07 #5
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    Talking

    Hi, Steve ...

    When it works fine ... I consider the solution as GOOD !!!

    No extra brain twist required ... LOL !

    May be ... just have a better-than-genuine data acquisition ( just move stylus quickly, and you'll understand what I mean ... hé,hé ! )
    May be ... also some better linearity enhancements ???

    Alain
    Last edited by Acetronics2; - 13th April 2008 at 11:16.
    ************************************************** ***********************
    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 " !!!
    *****************************************
  6. - 13th April 2008, 11:07 #6
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    Talking

    yeah but where's the fun using copy/paste ?
    Steve

    It's not a bug, it's a random feature.
    There's no problem, only learning opportunities.
  7. - 13th April 2008, 11:13 #7
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    Talking

    No need to re-build the world ... just enhance it gives enough work for everyone ... !!!

    Alain
    Last edited by Acetronics2; - 13th April 2008 at 11:16.
    ************************************************** ***********************
    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 " !!!
    *****************************************
  8. - 14th April 2008, 07:21 #8
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    Quote Originally Posted by mister_e View Post
    Seems to be the same i have.. It's a Resistive one, the GLCD controller is this Grandpa KS0108.

    The following could give you few hints...
    http://www.hitachi-displays-eu.com/d...Technology.pdf
    http://www.eetindia.co.in/ARTICLES/2...URCES=DOWNLOAD
    http://www.monolitic.com/esp/Notas/t..._resistivo.pdf
    http://www.sfcompiler.co.uk/wiki/pmw...er.TouchScreen
    The last one is the only with a code snippet, but it isn't in PBP!
    but i will try and read all the documents, but i am not good at ADC in PBP ;-)
  9. - 14th April 2008, 12:56 #9
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    Default TouchScreen Controller

    What does this do, and would it be easier to use a touchscreen if i buy this:
    http://www.mikroe.com/en/tools/touchcont/
  10. - 14th April 2008, 13:01 #10
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    It's exactly the same draver as Alain's EasyPIC 5 board.

    It may help.. but i stand to tell you don't need it.
    Steve

    It's not a bug, it's a random feature.
    There's no problem, only learning opportunities.
  11. - 14th April 2008, 13:15 #11
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    Quote Originally Posted by mister_e View Post
    It's exactly the same draver as Alain's EasyPIC 5 board.

    It may help.. but i stand to tell you don't need it.
    But if i don't buy that, i would need to make a circuit who are correcting the Touch Values into the 0-5V range, right?
    But do you have a PBP Example, because you sounds like you know alot, as i don't!
  12. - 14th April 2008, 21:22 #12
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    Begin with the following...

    http://www.picbasic.co.uk/forum/show...44&postcount=7

    Then send your results to your PC or any LCD, then try to understand what happen.
    Steve

    It's not a bug, it's a random feature.
    There's no problem, only learning opportunities.
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