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FlowStone UDP

  • Utilities
  • Education
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FlowStone UDP allows you to use your iPad as a remote control for sending and receiving data via UDP over a network.

It has been designed to work with applications created using the FlowStone graphical programming language but it can be used with anything that transmits or receives via UDP (see for examples)

The app provides a fixed set of controls comprising 4 sliders, 4 buttons, 4 switches and transport controls. For receiving data there are 4 level meters, 8 LEDs and a display for showing text.

All you need to do is specify the IP address and port you want to communicate on. Set up your server to communicate on the same address and port and you're up and running.

Communication is performed via a set of short message strings which you either receive or send. The format of these strings are described below.

Strings You'll Receive:

Sn:xx - slider 'n' (n=1,2,3 or 4) value 'xx' (xx = 0-99)
SWn:x - switch 'n' (n=1,2,3 or 4) value 'x' (x=0 for off, x=1 for on)
Bn - button 'n' (n=1,2,3 or 4) pressed
TR:HOME - home / reset to start
TR:RW - rewind
TR:PLAY - play
TR:FF - fast forward

Strings You Can Send:

Mn:xx - set level meter 'n' (n=1,2,3 or 4) to value 'xx' (xx = 0-99)
LEDn:x - set LED 'n' (n=1,2,3...8) to value 'x' (x=0 for off, x=1 for on)
TXT:s - set the text display to text string 's' (up to 65 characters long)