POV demo for the Demo board?

ProcessingData... · 2011-10-17 16:04

I recall there being an object that used the Built-on LEDs on the Demoboard for a simple POV display.

Does anyone still have a link to the thread or code?

Thanks,

ProccessingData...

WBA Consulting · 2011-10-17 16:10

Post#12 on this thread. Coded by Beau Schwabe

[SIZE=2]''********************************************************************************
''** Fun example uses the LED's on the demo board to display a bitmap           **
''** pattern stored in a data table                                             **
''********************************************************************************
'' Coded by Beau Schwabe (Parallax).                                            **
''********************************************************************************
''
''                    Directions:
''                    Load the program. LED's will appear to ALL be on.
''                    Rapidly move the demo board back-n-forth.
''                    (unplug USB2SER connector first-grin
''            
''
'' Other options to this program would be to use an accelerometer
'' to determine which direction/speed you are moving, and display
'' an actual message forward or backward accordingly.
  _xinfreq      = 5_000_000          'Set crystal frequency to 5 MHz
  _clkmode      = xtal1 + pll16x     'wind it up to 80 MHz via a X16 PLL
 
CON
  Rate = 50_000                      'Set motion rate.
 
VAR
 
PUB Message | scan
  dira[16..23] := %11111111          'Make I/O's 16 to 23 OUTPUTs
  
  repeat                             'Enter Endless Loop
    repeat scan from 0 to 26         'Create an offset index from 0 to 26
     outa[16..23] := Propeller[scan] 'Lookup byte value in data table at offset 'scan'
     waitcnt(Rate + cnt)             'pause so we can see something
 
DAT
Propeller     byte %00000000
              byte %00010000
              byte %00111000
              byte %01111100
              byte %11111110
              byte %01111100
              byte %00111000
              byte %00010000
              byte %00000000
 
              byte %00000000
              byte %11111111
              byte %10000001
              byte %10000001
              byte %10000001
              byte %11111111
              byte %00000000
 
              byte %00000000
              byte %10000000
              byte %01000000
              byte %00110000
              byte %00011000
              byte %00000111
              byte %00011000
              byte %00110000
              byte %01000000
              byte %10000000
              byte %00000000[/SIZE]

WBA Consulting · 2011-10-17 16:12

PS, it is easy to find if you use the Google "site restricted search". Type the following into a Google search box......

pov demo board site:forums.parallax.com

POV demo for the Demo board?

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