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Thread: Driver for ILI9341427 days old

  1. #31
    Prolific Poster towlerg's Avatar
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    Default Re: Driver for ILI9341

    Thanks Charlie.
    George.

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  • #32
    Prolific Poster towlerg's Avatar
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    Default Re: Driver for ILI9341

    @Flosi. I ran your fine ILI9341 code and demo but on a 18F25K50, it worked fine except on the menu demo the battery icon was displayed in two parts toward the bottom of the display. Any idea what dim thing I did? Where abouts is the icon code?
    George.

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  • #33
    Member flosigud's Avatar
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    Default Re: Driver for ILI9341

    The battery ikon is just a bmp. It is in MenuTest.bas.
    Flosi Guđmundsson
    Reykjavík

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  • #34
    Prolific Poster towlerg's Avatar
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    Default Re: Driver for ILI9341

    I think I get it. The location is intentional? Set by
    Display_BMP(200,200,Image_battery)
    DisplayRAM_BMP(200,250,Image_batteryRAM)
    which I guess are XY coordinates?

    You really have made a very sweet demo.
    George.

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  • #35
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    Default Re: Driver for ILI9341

    Hi Charlie,
    My graphic LCD have arrived. I think they are the same as yours although they have the touch chip.
    Before I blow them up, are they 3.3 or 5volt devices.
    All the best
    John

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  • #36
    Member flosigud's Avatar
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    Default Re: Driver for ILI9341

    My displays have a 3.3v regulator that can by bypassed. If fed with 3.3v it outputs 3.0V. I use 3.3V.
    Flosi Guđmundsson
    Reykjavík

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    Default Re: Driver for ILI9341

    Mine are 3.3V with no touch chip. I accidentally put 5V on it a few times with the PicKit2 programmer: they lit up but didn't appear to work on 5V. But on returning to 3.3V all was well again. Phew!

    I soldered a teeny-tink touch chip onto the pads and I think this is about the limit of my surface mount ability. I don't have any code for touch yet.
    The display is running in our Lorenz simulator at the museum and people seem impressed by the quality of the display. The code I posted a while ago is the code running (on an 18F26K22).

    I'm sure you keep us informed of your progress.

    Charlie

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    Default Re: Driver for ILI9341

    Thanks Flosi and Charlie, 3.3 it will be. I'll use the Amicus18 for experiments and make sure it's putting out 3.3.
    Cheers from Oz
    John

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    Default Re: Driver for ILI9341

    My displays have a 3.3v regulator that can by bypassed. If fed with 3.3v it outputs 3.0V. I use 3.3V.
    How do you bypass?
    George.

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  • #40
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    Default Re: Driver for ILI9341

    Assuming you have the display pictured in post #34, the regulator is marked U2. There is a small solder bridge close to it, J1. By bridging that you bypass the regulator. If you don't and feed the regulator with 3.3V the output is 3.0V. The display is quite happy with that. Might prevent some mishaps.
    Flosi Guđmundsson
    Reykjavík

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