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Added MMC support by Rui Nuno Capela <rncbc@rncbc.org>

Browse source 
MMC support has been improved and transport LEDs is getting almost
functional. Tascam control protocol sysex decoding is also complete (LEDs
control mainly).
This commit is contained in:
Takashi Iwai 2004-07-28 15:56:45 +00:00
parent 9615f45528
commit 5313c94163
7 changed files with 541 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

63
us428control/us428control.cc
View file

@ -89,7 +89,8 @@ int US428Control(const char* DevName)
int err;
unsigned int idx, dsps, loaded;
us428ctls_sharedmem_t *us428ctls_sharedmem;
struct pollfd pfds;
struct pollfd *pfds;
int npfd, pollrc;
if ((err = snd_hwdep_open(&hw, DevName, O_RDWR)) < 0) {
error("cannot open hwdep %s\n", DevName);
@ -101,39 +102,51 @@ int US428Control(const char* DevName)
snd_hwdep_close(hw);
return -ENODEV;
}
snd_hwdep_poll_descriptors(hw, &pfds, 1);
us428ctls_sharedmem = (us428ctls_sharedmem_t*)mmap(NULL, sizeof(us428ctls_sharedmem_t), PROT_READ|PROT_WRITE, MAP_SHARED, pfds.fd, 0);
Midi.CreatePorts();
npfd = snd_seq_poll_descriptors_count(Midi.Seq, POLLIN) + 1;
pfds = (struct pollfd *) alloca(npfd * sizeof(struct pollfd));
snd_hwdep_poll_descriptors(hw, &pfds[0], 1);
snd_seq_poll_descriptors(Midi.Seq, &pfds[1], npfd - 1, POLLIN);
us428ctls_sharedmem = (us428ctls_sharedmem_t *) mmap(NULL, sizeof(us428ctls_sharedmem_t), PROT_READ|PROT_WRITE, MAP_SHARED, pfds[0].fd, 0);
if (us428ctls_sharedmem == MAP_FAILED) {
perror("mmap failed:");
snd_hwdep_close(hw);
return -ENOMEM;
}
Midi.CreatePorts();
us428ctls_sharedmem->CtlSnapShotRed = us428ctls_sharedmem->CtlSnapShotLast;
OneState = new Cus428State(us428ctls_sharedmem);
OneState->InitDevice();
while (1) {
int x = poll(&pfds,1,-1);
if (verbose > 1 || pfds.revents & (POLLERR|POLLHUP))
printf("poll returned 0x%X\n", pfds.revents);
if (pfds.revents & (POLLERR|POLLHUP))
return -ENXIO;
int Last = us428ctls_sharedmem->CtlSnapShotLast;
if (verbose > 1)
printf("Last is %i\n", Last);
while (us428ctls_sharedmem->CtlSnapShotRed != Last) {
static Cus428_ctls *Red = 0;
int Read = us428ctls_sharedmem->CtlSnapShotRed + 1;
if (Read >= N_us428_ctl_BUFS || Read < 0)
Read = 0;
Cus428_ctls* PCtlSnapShot = ((Cus428_ctls*)(us428ctls_sharedmem->CtlSnapShot)) + Read;
int DiffAt = us428ctls_sharedmem->CtlSnapShotDiffersAt[Read];
while ((pollrc = poll(pfds, npfd, 60000)) >= 0) {
if (pfds[0].revents) {
if (verbose > 1 || pfds[0].revents & (POLLERR|POLLHUP))
printf("poll returned 0x%X\n", pfds[0].revents);
if (pfds[0].revents & (POLLERR|POLLHUP))
return -ENXIO;
int Last = us428ctls_sharedmem->CtlSnapShotLast;
if (verbose > 1)
PCtlSnapShot->dump(DiffAt);
PCtlSnapShot->analyse(Red, DiffAt);
Red = PCtlSnapShot;
us428ctls_sharedmem->CtlSnapShotRed = Read;
printf("Last is %i\n", Last);
while (us428ctls_sharedmem->CtlSnapShotRed != Last) {
static Cus428_ctls *Red = 0;
int Read = us428ctls_sharedmem->CtlSnapShotRed + 1;
if (Read >= N_us428_ctl_BUFS || Read < 0)
Read = 0;
Cus428_ctls* PCtlSnapShot = ((Cus428_ctls*)(us428ctls_sharedmem->CtlSnapShot)) + Read;
int DiffAt = us428ctls_sharedmem->CtlSnapShotDiffersAt[Read];
if (verbose > 1)
PCtlSnapShot->dump(DiffAt);
PCtlSnapShot->analyse(Red, DiffAt);
Red = PCtlSnapShot;
us428ctls_sharedmem->CtlSnapShotRed = Read;
}
}
else if (pollrc > 0) Midi.ProcessMidiEvents();
}
return pollrc;
}
int main (int argc, char *argv[])
@ -186,7 +199,7 @@ int main (int argc, char *argv[])
/* probe the all cards */
for (c = 0; c < SND_CARDS; c++) {
verbose--;
// verbose--;
sprintf(name, "hw:%d", c);
if (! US428Control(name))
card = c;