mirrors/alsa-tools
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-tools.git synced 2026-03-22 05:33:54 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

170
us428control/Cus428Midi.cc
View file

@ -79,3 +79,173 @@ char Cus428Midi::KnobParam[] = {
0x36,
0x37,
};
extern int verbose;
// Parse and dispatch input MIDI events.
void Cus428Midi::ProcessMidiEvents()
{
snd_seq_event_t *ev;
unsigned char *data;
do {
ev = NULL;
snd_seq_event_input(Seq, &ev);
if (ev == NULL)
break;
switch (ev->type) {
case SND_SEQ_EVENT_SYSEX:
data = (unsigned char *) ev->data.ext.ptr;
if (data[1] == 0x7f && data[3] == 0x06) {
// MMC Command code is in data[4]...
if (verbose > 1)
fprintf(stderr, "MMC Command 0x%02x: ", data[4]);
switch (data[4]) {
case MMC_CMD_STOP:
if (verbose > 1)
fprintf(stderr, "STOP.\n");
OneState->TransportSet(T_STOP, true);
break;
case MMC_CMD_PLAY:
case MMC_CMD_DEFERRED_PLAY:
if (verbose > 1)
fprintf(stderr, "PLAY.\n");
OneState->TransportSet(T_PLAY, true);
break;
case MMC_CMD_FAST_FORWARD:
if (verbose > 1)
fprintf(stderr, "FFWD.\n");
OneState->TransportSet(T_F_FWD, true);
break;
case MMC_CMD_REWIND:
if (verbose > 1)
fprintf(stderr, "REW.\n");
OneState->TransportSet(T_REW, true);
break;
case MMC_CMD_RECORD_STROBE:
case MMC_CMD_RECORD_PAUSE:
if (verbose > 1)
fprintf(stderr, "RECORD ON.\n");
OneState->TransportSet(T_RECORD, true);
break;
case MMC_CMD_RECORD_EXIT:
if (verbose > 1)
fprintf(stderr, "RECORD OFF.\n");
OneState->TransportSet(T_RECORD, false);
break;
case MMC_CMD_LOCATE:
if (verbose > 1)
fprintf(stderr, "LOCATE WHEEL.\n");
OneState->LocateWheel(&data[7]);
break;
case MMC_CMD_MMC_RESET:
if (verbose > 1)
fprintf(stderr, "MMC RESET.\n");
OneState->MmcReset();
break;
default:
if (verbose > 1)
fprintf(stderr, "Not implemented.\n");
break;
}
} // Look for Tascam US-224/US-428(?) specific LED codes.
else if (data[1] == 0x4e && data[3] == 0x12) {
if (verbose > 1)
fprintf(stderr, "TASCAM Command 0x%02x.\n", data[4]);
// Transport LEDs.
switch (data[4]) {
case 0x01: // Transport LEDs...
switch(data[5]) {
case 0x13: // REWIND.
OneState->LightSet(Cus428State::eL_Rew, data[6]);
OneState->LightSend();
break;
case 0x14: // FFWD.
OneState->LightSet(Cus428State::eL_FFwd, data[6]);
OneState->LightSend();
break;
case 0x16: // PLAY.
OneState->LightSet(Cus428State::eL_Play, data[6]);
OneState->LightSend();
break;
case 0x17: // REC.
OneState->LightSet(Cus428State::eL_Record, data[6]);
OneState->LightSend();
break;
default:
break;
}
break;
case 0x02: // Mute LEDs
OneState->LightSet(Cus428State::eL_Mute0 + data[5], data[6]);
OneState->LightSend();
break;
case 0x03: // Select LEDs
OneState->LightSet(Cus428State::eL_Select0 + data[5], data[6]);
OneState->LightSend();
break;
case 0x04: // Record LEDs
OneState->LightSet(Cus428State::eL_Rec0 + data[5], data[6]);
OneState->LightSend();
break;
case 0x05: // Null LED
OneState->LightSet(Cus428State::eL_Null, data[5]);
OneState->LightSend();
break;
case 0x06: // Solo LED
OneState->LightSet(Cus428State::eL_Solo, data[5]);
OneState->LightSend();
break;
case 0x07: // Bank L LED
OneState->LightSet(Cus428State::eL_BankL, data[5]);
OneState->LightSend();
break;
case 0x08: // Bank R LED
OneState->LightSet(Cus428State::eL_BankR, data[5]);
OneState->LightSend();
break;
case 0x10: // Dump fader position.
OneState->SliderSend(data[5]);
break;
}
}
break;
default:
break;
}
snd_seq_free_event(ev);
}
while (snd_seq_event_input_pending(Seq, 0) > 0);
}
// Send MMC command.
void Cus428Midi::SendMmcCommand(unsigned char MmcCmd, unsigned char *MmcData, unsigned char MmcLen)
{
unsigned char SysexSize;
unsigned char SysexLen;
unsigned char *SysexData;
SysexSize = 6;
if (MmcLen > 0)
SysexSize += 1 + MmcLen;
SysexData = (unsigned char *) alloca(SysexSize);
SysexLen = 0;
SysexData[SysexLen++] = 0xf0; // Sysex header.
SysexData[SysexLen++] = 0x7f; // Realtime sysex.
SysexData[SysexLen++] = 0x7f; // All-caller-id.
SysexData[SysexLen++] = 0x06; // MMC command mode.
SysexData[SysexLen++] = MmcCmd; // MMC command code.
if (MmcData && MmcLen > 0) {
SysexData[SysexLen++] = MmcLen;
memcpy(&SysexData[SysexLen], MmcData, MmcLen);
SysexLen += MmcLen;
}
SysexData[SysexLen++] = 0xf7; // Sysex trailer.
snd_seq_ev_set_sysex(&Ev, SysexLen, SysexData);
SubMitEvent();
}