Emulated 128x32 LED display



The Norsk Display LED sign can be controlled using a web service protocol over HTTP. This webpage let you test the protocol.

Examples

Set display text
http://displaysimulator2.azurewebsites.net:80/api/settext.php?simulate=true&text=Hello%20World!
Set two lines of text
http://displaysimulator2.azurewebsites.net:80/api/settext.php?simulate=true&text=Hello%20World!\nHello%20Sign!
Set font, color and size
http://displaysimulator2.azurewebsites.net:80/api/settext.php?simulate=true&text=Hello&font=Liberation%20Mono&size=32&r=0&g=0
Set image (16x16 image at position 10,10)
http://displaysimulator2.azurewebsites.net:80/api/settext.php?simulate=true&x=10&y=10&image=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
Set image - Linux command line example - GET
curl http://displaysimulator2.azurewebsites.net:80/api/settext.php?text=Hello%20World!&x=64&image=`base64 image.png`
Set image Linux/Win command line example - POST
curl -X POST -F image=@"image.png" -F "x=10" -F "y=10" -F "text=Hello\nWorld" http://displaysimulator2.azurewebsites.net:80/api/settext.php
Get fixed fonts
http://displaysimulator2.azurewebsites.net:80/api/getfonts.php

Commands

Task Command Parameters Description
Set text settext (GET or POST) text=text Set text.
Will clear existing display content if col and row is not defined. Text should be UTF-8 url-encoded, where %-encoding is used for non ASCII charachters. See here for more details.
col=col
row=row
If col or row is defined, the display text will be updated at given row and column.
0,0 is upper left corner of display.
r=red
g=green
b=blue 		Font color, default is white. Values from 0 to 255.
font=font name Font name.
size=font size Font size in pixels.
bold=enable bold Enable bold font, default is on.
spacing=line spacing Set line spacing adjustment in pixels. Default is -1, makeing lines more compact.
image=PNG-image
x=X position
y=Y position 		Write image to display, will overwrite any text but not clear display. For GET calls where the image is in the URL query string, the PNG must be base64 encoded. When using POST it should point to the image file. See examples sections for how this is done using the cURL command line tool.
Get text gettext col=col
row=row
count=count
Get display text.
Without parameters it will return full display text. Rows are separated by "\" + "n".
With parameters it will return count digits starting at given row and column. If count is not defined the rest of the line will be returned.
Set HTML sethtml html=HTML Set display content using HTML tags. Will clear any content set using settext.
Get fonts getfonts fixed=0|1
variable=0|1		 Get comma separated list of avaliable fonts. Parameters control if variable and/or fixed width fonts should be returned. Default will return fixed fonts only.
Return Codes
JSON reply on success: {"status":200,"status_message":"OK"}
JSON reply on error: {"status":200,"status_message":"Error description"} 

			


			
Font samples

			  Andale Mono
  Courier New-bold
  Courier New
  GB18030 Bitmap