multimap example

mutlimap.lua

my_faderbank = midi.connect(2) -- swap 2 for whichever port your device is on

function init()
  -- just going to initialize some dummy parameters
  amp = controlspec.AMP
  params:add_control("amplitude","amplitude",amp)
  
  pan = controlspec.PAN
  params:add_control("panning","panning",pan)
  
  del = controlspec.DELAY
  params:add_control("delay_time","delay time",del)
end

my_faderbank.event = function(data)
  local d = midi.to_msg(data)
  -- print(d.cc,d.val) -- uncomment this line to see the raw values
  if d.cc == 32 then -- swap 32 for whichever cc you want to route
    multi_map("amplitude",d.val) -- i just need to make sure each of these names match the parameter's
    multi_map("panning",d.val) -- same here.
    multi_map("delay_time",d.val) -- same here.
  end
end

-- the plumbing!
function multi_map(p,val)
  params:set(p,map_range(p,val))
end

function map_range(p,val)
  return util.linlin(1,127,get_range(p)[1],get_range(p)[2],val)
end

function get_range(p)
  local id = params.lookup[p]
  local name = params:lookup_param(id)
  local t = params:t(id)
  if t == params.tCONTROL then
    return {params.params[id].controlspec.minval,params.params[id].controlspec.maxval}
  elseif t == params.tNUMBER or t == params.tOPTION or t == params.tBINARY then
    return name:get_range()
  end
end