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#include "Controller.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
pthread_mutex_t mutex;
int Pexitprogram;
Controller::Controller() {
//init
for(int i = 0; i < 6; ++i) {
pars[i].mode = 1;
pars[i].val1 = 0;
pars[i].val2 = 127;
pars[i].nrpn.cpar = 8;
pars[i].nrpn.fpar = 0;
pars[i].nrpn.cval = 0;
}
pars[0].ctl.par = 71;
pars[1].ctl.par = 74;
pars[2].ctl.par = 10;
pars[3].ctl.par = 11;
pars[4].ctl.par = 1;
pars[5].ctl.par = 75;
//ALSA init
snd_seq_open(&midi_out, "default", SND_SEQ_OPEN_OUTPUT, 0);
char portname[50]; sprintf(portname, "Controller");
snd_seq_create_simple_port(
midi_out,
portname,
SND_SEQ_PORT_CAP_READ
| SND_SEQ_PORT_CAP_SUBS_READ,
SND_SEQ_PORT_TYPE_SYNTH);
}
Controller::~Controller() {
snd_seq_close(midi_out);
}
void Controller::sendcontroller(int par, unsigned char val) {
snd_seq_event_t midievent;
snd_seq_ev_clear(&midievent);
snd_seq_ev_set_controller(&midievent, Pchout, par, val);
snd_seq_ev_set_subs(&midievent);
snd_seq_ev_set_direct(&midievent);
snd_seq_event_output_direct(midi_out, &midievent);
// fprintf(stderr,"Controller: %d %d\n",par,val);
}
void Controller::sendnrpn(int npar, unsigned char val) {
// fprintf(stderr,"NRPN: %d %d %d %d\n",pars[npar].nrpn.cpar,pars[npar].nrpn.fpar,pars[npar].nrpn.cval,val);
sendcontroller(0x63, pars[npar].nrpn.cpar);
sendcontroller(0x62, pars[npar].nrpn.fpar);
sendcontroller(0x06, pars[npar].nrpn.cval);
sendcontroller(0x26, val);
// fprintf(stderr,"------------\n\n");
}
void Controller::send(int npar, float xval) {
if(pars[npar].mode == 0)
return;
int val;
if(pars[npar].val1 <= pars[npar].val2)
val =
(int) (xval
* (pars[npar].val2 - pars[npar].val1
+ 1.0) * 0.9999 + pars[npar].val1);
else
val =
(int) (xval
* (pars[npar].val2 - pars[npar].val1
- 1.0) * 0.9999 + pars[npar].val1 + 1.0);
switch(pars[npar].mode) {
case 1: sendcontroller(pars[npar].ctl.par, val); break;
//case 2:break;
case 3: sendnrpn(npar, val); break;
}
}
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