128x64 OLED SSD1306

Driver and demo code for the generic SSD1306 type displays
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This object was created by JonnyMac at the Parallax forums.
I've added some P1 SPIN demo code below to show how to use it.

{{

  Quick test of an 128x64 OLED display
  with JonnyMac's jm_ssd1306_128x64_ez.spin object

}}


' ----------------------------------------------------------------------------------------------------------------
CON { timing }

     _clkmode       = xtal1 + pll16x    'Standard clock mode * crystal frequency = 80 MHz
     _xinfreq       = 5_000_000


' ----------------------------------------------------------------------------------------------------------------
CON { pins }

     OLED_CS        = 7
     OLED_RST       = 9
     OLED_DC        = 8
     OLED_CLK       = 6
     OLED_DATA      = 4


' ----------------------------------------------------------------------------------------------------------------
OBJ { code objects / drivers }

    oled : "jm_ssd1306_128x64_ez.spin"


' ----------------------------------------------------------------------------------------------------------------
PUB Main

   ' #1, FONT_NORM, FONT_WIDE, FONT_BIG                            ' font sizes
   ' #0, PIXEL_OFF, PIXEL_ON, PIXEL_XOR                            ' pixel styles

   ' oled.startx(rstpin, dcpin, cspin, dopin, clkpin)              ' start object
   ' oled.str(p_str, size, style)                                  ' write string to display
   ' oled.goto_xy(column, row)                                     ' move cursor to xy position


    ' Start the OLED driver
    oled.startx(OLED_RST, OLED_DC, OLED_CS, OLED_DATA, OLED_CLK)
    oled.enable(true)
    oled.clear

    ' Move to column, row.  Then write some text!
    oled.goto_xy(0, 0)
    oled.str(string(" Hello! "), oled#FONT_BIG, oled#PIXEL_ON )

    oled.goto_xy(0, 2)
    oled.str(string("12345678"), oled#FONT_BIG, oled#PIXEL_ON )

    oled.goto_xy(0, 4)
    oled.str(string("ABCDEFGH"), oled#FONT_BIG, oled#PIXEL_ON )

    oled.goto_xy(0, 6)
    oled.str(string("INVERTME"), oled#FONT_BIG, oled#PIXEL_ON )

    oled.goto_xy(0, 6)
    oled.str(string("INVERTME"), oled#FONT_BIG, oled#PIXEL_OFF )


    ' Repeat endlessly to prevent IO pins changing state

    repeat ' forever
      waitcnt(0)


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