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nusb/audio: setup audioin

front
cinap_lenrek 2012-05-03 22:30:32 +02:00
parent 656762ae98
commit 5377a19447
1 changed files with 40 additions and 15 deletions
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55
sys/src/cmd/nusb/audio/audio.c
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@ -22,7 +22,9 @@ int audiores = 16;
char user[] = "audio";
Dev *audiodev = nil;
Ep *audioep = nil;
Ep *audioepin = nil;
Ep *audioepout = nil;
void
parsedescr(Desc *dd)
@ -96,7 +98,10 @@ Foundaltc:
devctl(d, "samplesz %d", audiochan*audiores/8);
devctl(d, "sampledelay %d", audiodelay);
devctl(d, "hz %d", speed);
devctl(d, "name audio");
if(e->dir == Ein)
devctl(d, "name audioin");
else
devctl(d, "name audio");
return d;
}
@ -128,12 +133,15 @@ fswrite(Req *r)
speed = atoi(f[1]);
Setup:
if((d = setupep(audiodev, audioep, speed)) == nil){
if((d = setupep(audiodev, audioepout, speed)) == nil){
responderror(r);
return;
}
closedev(d);
if(audioepin != nil && audioepin != audioepout){
if(d = setupep(audiodev, audioepin, speed))
closedev(d);
}
audiofreq = speed;
} else if(strcmp(f[0], "delay") == 0){
audiodelay = atoi(f[1]);
@ -160,7 +168,7 @@ void
main(int argc, char *argv[])
{
char buf[32];
Dev *d;
Dev *d, *ed;
Ep *e;
int i;
@ -187,17 +195,34 @@ main(int argc, char *argv[])
parsedescr(d->usb->ddesc[i]);
for(i = 0; i < nelem(d->usb->ep); i++){
e = d->usb->ep[i];
if(e && e->iface && e->iface->csp == CSP(Claudio, 2, 0) && e->dir == Eout)
goto Foundendp;
if(e && e->iface && e->iface->csp == CSP(Claudio, 2, 0)){
switch(e->dir){
case Ein:
if(audioepin != nil)
continue;
audioepin = e;
break;
case Eout:
if(audioepout != nil)
continue;
audioepout = e;
break;
case Eboth:
if(audioepin != nil && audioepout != nil)
continue;
if(audioepin == nil)
audioepin = e;
if(audioepout == nil)
audioepout = e;
break;
}
if((ed = setupep(audiodev, e, audiofreq)) == nil)
sysfatal("setupep: %r");
closedev(ed);
}
}
sysfatal("no endpoints found");
return;
Foundendp:
audioep = e;
if((d = setupep(audiodev, audioep, audiofreq)) == nil)
sysfatal("setupep: %r");
closedev(d);
if(audioepout == nil)
sysfatal("no endpoints found");
fs.tree = alloctree(user, "usb", DMDIR|0555, nil);
createfile(fs.tree->root, "volume", user, 0666, nil);