Displaying Videos and Images on 4Dsystems uOLED Serially


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  1. #1
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    Default Re: Displaying Videos and Images on 4Dsystems uOLED Serially

    You are right that with SGC, you control the display with a serial port (PIC, PC or any other serial source). To get a complete list of SGC commands, download the 116-page manual here http://www.4dsystems.com.au/download...S-SIS-rev6.pdf

    Note that no matter which version you get (SGC or GFX), you can switch from one mode to the other by changing the PmmC file. At any time, you can reload the PICASO chip with either PmmC which allows you to explore the differences between the two configurations.

    For example, to display a video stored on the SD card, you send a series of bytes to the display as in the example below.
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    Last edited by rmteo; - 11th May 2011 at 15:41. Reason: -- changed to more appropriate example.
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  2. #2
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    Default Re: Displaying Videos and Images on 4Dsystems uOLED Serially

    that is perfect.

    I will place an order for a small ulcd first 1.44" and then i will try a bigger one.

    thanks a lot.

  3. #3
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    Default Re: Displaying Videos and Images on 4Dsystems uOLED Serially

    The main difference between the large and small displays, besides size, are

    1. No touch screen.
    2. Less memory.
    3. Subset of commands.

    I have used both, and they work well. The reference manual for the small display is here http://www.4dsystems.com.au/download...S-SIS-rev4.pdf
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  4. #4
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    Default Re: Displaying Videos and Images on 4Dsystems uOLED Serially

    i see i ok for programming but when i get it i might need some help.

    thanks for your help.

    i will place the order for the small 1,44 tomorrow

  5. #5
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    Default Re: Displaying Videos and Images on 4Dsystems uOLED Serially

    Hello,

    i see that the pins for controlling serialy the 1,5' Oled Display http://www.sparkfun.com/products/8537 is the VCC, TX, RX, GND, RESET

    So do i need to use a microcontroller with TX, RX pins? The RX is needed?

    On the codes that Mr. RFEFX posted, i think he used only the TX on the controller.

    on the next line

    Code:
    serin2 rfidin,396,1000,Logo,[WAIT(10),str BUF\10]
    he used the serin for RFID only, the logo command in there goes to serout line

    Code:
    serout2 lcd,84,[$40, $49, $00, $30, $7F, $1F, $10, $01, $8A, $EE]
    please could you tell me if i'm wrong. If yes then what do i need the RX for?

    thanks.

  6. #6
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    Default Re: Displaying Videos and Images on 4Dsystems uOLED Serially

    Is RX needed? That is why I pointed you to the reference manual for both displays.

    You can get by without using RX but I would highly recommend that you use it. Take a look at post #12 - you will see that the display returns an ACK if the command is successful, NAK if unsuccessful. This can make your application run more effectively.
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  7. #7
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    Default Re: Displaying Videos and Images on 4Dsystems uOLED Serially

    rmteo, thanks once more for your help.

    That's why i ask you, now i see the response from the RX.

    I have some SD cards here, and i would like to format them in windows 7 64bit.

    I read some forum and manuals but i didnt see the format of erasing the microsd.

    I did the following configuration.

    Capacity : 1,83Gb
    file system: FAT (default)
    Alocation unit size: default
    Format option: -

    the only thing i found is the following migh also be interesting for you.

    http://www.picaxeforum.co.uk/showthread.php?t=13971
    Last edited by astanapane; - 12th May 2011 at 16:37.

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