07.05.2024, 13:07
Try this:
Code:
if not server then
mapping = {
[1] = '32/1/1',
[2] = '32/1/2',
[3] = '32/1/3',
}
server = require('socket').udp()
server:settimeout(1)
server:setsockname('*', 0x1936)
header = 'Art-Net' .. string.char(0, 0, 0x50)
values = {}
function parse(data)
local count, value
if #data < 19 or data:sub(1, #header) ~= header then
return
end
local univlo, univhi = data:byte(15, 16)
local universe = univhi * 256 + univlo
if universe ~= 3 then
return
end
count = #data - 18
for i = 1, count do
value = data:byte(i + 18)
if value ~= values[ i ] then
values[ i ] = value
if mapping[ i ] then
grp.update(mapping[ i ], value)
end
end
end
end
end
data = server:receive()
if data then
parse(data)
end