Akso - Audio DSP Platform

fb 8 notes

$\text{[math]}$

visual feedback of table data for bidirectional midi-controllers (f.i. novation launchpad,livid base). 8 elements of a table are mapped to midi - notes.

Author: Robert Schirmer

License: BSD

Github: rbrt/old/fb 8 notes.axo

Inlets

int32 offset in the table

int32 velocity on modulation

bool32.rising redraw

Outlets

None

Parameters

int32.mini map the step to midi notes

int32 note velocity if step > 0

int32 note velocity if step <= 0

Attributes

objref table

combo device

spinner channel

Declaration

int ntrig;
int rtrig;
int prev;
int prevon;
int32_t val;

int32_t map[8];

int v;
int i;
int vt;
int trigt;
int prevt[8];

Init

{
  int i;
  for (i = 0; i < 8; i++)
    prevt[i] = -666;
}

Control Rate

map[0] = param_i0;
map[1] = param_i1;
map[2] = param_i2;
map[3] = param_i3;
map[4] = param_i4;
map[5] = param_i5;
map[6] = param_i6;
map[7] = param_i7;

// re-init

if ((inlet_redraw > 0) && !ntrig) {
  ntrig = 1;
  {
    int ii;
    for (ii = 0; ii < 8; ii++)
      prevt[ii] = -666;
  }
}
if (!(inlet_redraw > 0))
  ntrig = 0;

// display steps
{
  i += 1;
  if (i == 8)
    i = 0;
  vt = attr_table.array[__USAT((inlet_offset + i), attr_table.LENGTHPOW)]
       << attr_table.GAIN;
  if (prevt[i] != vt)
    trigt = 0;
  prevt[i] = vt;
  if (vt && (!trigt)) {
    MidiSend3((midi_device_t)attr_device, MIDI_NOTE_ON + (attr_channel - 1),
              map[i], param_on);
    trigt = 1;
  }
  if ((!vt) && (!trigt)) {
    MidiSend3((midi_device_t)attr_device, MIDI_NOTE_ON + (attr_channel - 1),
              map[i], param_off);
    trigt = 1;
  }
}

Contact

Github

Forum

Terms

Privacy