RK002 Note remapper example

/* DUY Code: note remapper */

/*
 * Parameters:
 * CHANNEL = channel to listen to 1-16 (1, default, 0 = on all channels (=omni))
 */

RK002_DECLARE_PARAM(CHANNEL,1,0,16,1)
RK002_DECLARE_PARAM(REMAPNOTE,1,0,127,65)

// DECLARE_PARAM parameters can be stored in the cable and are accessible from the portal without the need to recompile
// you can adjust them via the DUY 'details' button and a MIDI SysEx code can be used to set it as well:
// parameter 0 = F0 00 21 23 00 02 48 00 [paramnr] 00 [val] 00 F7

byte dChannel=0; // holds internal midi channel = 0-15
// declare a list of notes to check:
byte noteList[6]={65,67,69,71,72,74};

bool RK002_onNoteOn(byte ch,byte key,byte velo){
  bool retval=true; // default = thru notes
  if((ch==16) || (ch==dChannel)){
    for(byte i=0;i<sizeof(noteList);i++){
      if(noteList[i]==key){
        retval=false; // don't send original note
        RK002_sendNoteOn(((8+i) % 15),RK002_paramGet(REMAPNOTE),velo); // send note to ch 9+foundnote in list
        // I added the % 15 in case you make a too-long notelist, this will wrap the midi channel to 0-15 range
        break; // exit loop key search
      }
    }
  }
  return retval;
}

// as in note on, but now for note off
bool RK002_onNoteOff(byte ch,byte key,byte velo){
  bool retval=true; // default = thru notes
  if((ch==16) || (ch==dChannel)){
    for(byte i=0;i<sizeof(noteList);i++){
      if(noteList[i]==key){
        retval=false;
        RK002_sendNoteOff(((8+i) % 15),RK002_paramGet(REMAPNOTE),velo);
        break;
      }
    }
  }
  return retval;
}
// called on start and on param change from exchange portal
void updateParams(){
  // need to decrement the parameter for readable - programming conversion; ch 0-15 = 1-16 un human read
  dChannel = (RK002_paramGet(CHANNEL)>0) ? RK002_paramGet(CHANNEL)-1 : 16;
}
void RK002_onParamSet(unsigned param_nr, int val){
  updateParams();
}
 // initialize
void setup()
{
  updateParams();
}

// the main loop
void loop()
{
}