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+--- Thread: 2 byte to 1 byte (/showthread.php?tid=1045)
2 byte to 1 byte - Frankg - 18.10.2017
Hi
How do i take a 2 byte signal(9.009) and convert it to a 1 byte signal(5.001).
Need to use the 2 byte signal in a formula up against 1 byte signal and can not figure out how to proceed here.
thank's for any help!
RE: 2 byte to 1 byte - Erwin van der Zwart - 18.10.2017
Hi,
That depends on what you want to do, what information do you need from the 2 byte value to the 1 byte value?
Could be something like this:
Code:
twobytevalue = event.getvalue()
onebytevalue = math.floor((twobytevalue / 256) + 0.5)
grp.write('1/1/2', onebytevalue)Code:
twobytevalue = event.getvalue()
if twobytevalue < 255 then
onebytevalue = math.floor(twobytevalue + 0.5) -- round airflow to integer
else
onebytevalue = 255 -- if airflow is higher then 255 then max is reached
end
grp.write('1/1/2', onebytevalue)Erwin