midi note to CC for params mod: add to `dust/code/note_to_params_cc/lib`

mod.lua

-- midi note to cc mod (study only, not supported code!)

local mod = require 'core/mods' -- this provides the mod its functionality

local note_to_cc_mod = {}
local mod_midi_devs = {}

function note_to_cc_mod.init()
  for i = 1,16 do
    mod_midi_devs[i] = midi.connect(i)
  end
end

function note_to_cc_mod.init_devices()
  local pre_existing_events = {}
  for i = 1,16 do
    if midi.vports[i].event then -- if a script already defines midi events, we want to retain it!
      pre_existing_events[i] = midi.vports[i].event
    end
    mod_midi_devs[i].event = function(data)
      if pre_existing_events[i] ~= nil then -- if the script defines an event
        pre_existing_events[i](data) -- execute the script-defined event as part of the mod's event
      end
      if midi.to_msg(data).type == "note_on" then
        local ch_val = (data[1]-144)+176
        norns.menu_midi_event({ch_val,data[2],data[3]},i) -- if you want velocity to determine value...
        -- norns.menu_midi_event({ch_val,data[2],127},i) -- or, if you want "note on" to set param to max, use this
      elseif midi.to_msg(data).type == "note_off" then
        local ch_val = (data[1]-128)+176
        -- norns.menu_midi_event({ch_val,data[2],0},i) -- if you want "note off" to set param to 0, uncomment
        -- otherwise, we'll just use "note on" events
      end
    end
  end
end

mod.hook.register("script_pre_init", "surface note data as cc", function()
  local script_init = init
  function init()
    script_init()
    note_to_cc_mod.init()
    note_to_cc_mod.init_devices()
  end
end)