4-bit to 1-byte conversion script for DALI, DMX512 etc.

[edgars]

Resident script (sleep interval = 0), which is doing conversion from 4-bit to 1-byte

4-bit dimmer object adress is 1/1/1
1-byte output object adress is 1/1/2

By default, script will change value by 10% every 0.2 seconds when any kind of up/down telegram is received.
 

Code:

dimmer = grp.getvalue('1/1/1') step = bit.band(dimmer, 0x07) if step ~= 0 then  addr = '1/1/2'   up = bit.band(dimmer, 0x08) ~= 0   value = grp.getvalue(addr)   if up then     newvalue = value + 10   else     newvalue = value - 10   end   -- clamp between 0 and 100   newvalue = math.min(newvalue, 100)   newvalue = math.max(newvalue, 0)   if newvalue ~= value then     grp.write(addr, newvalue)   end end os.sleep(0.2)