Write in a Single Bit of a Word

[UfficioTecnicoEE]

Now I have to set bit 3 of register 1280 to 1

This is the right code?

Code:

require("user.SetBit")

mb = require('mbproxy').new()
mb:setslave(1)

value = 1

if grp.getvalue('32/1/29') then
  value = setbit(value, 3)
end

log(value)

mb:writeregisters(1280, value)

mb:close()

Thanks