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openwrt-packages/multimedia/ttymidi-sysex/patches/100-add-support-for-System-...

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From 4589f663862d8e7a062b356db3034992a56ed1c9 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Fri, 17 Jun 2022 17:36:31 +0100
Subject: [PATCH] add support System Realtime and System Common
https://github.com/cchaussat/ttymidi-sysex/pull/2
Add input and output support for MIDI System Common and System Realtime operations.
---
ttymidi-sysex.c | 194 ++++++++++++++++++++++++++++++++++++++++++++----
1 file changed, 181 insertions(+), 13 deletions(-)
--- a/ttymidi-sysex.c
+++ b/ttymidi-sysex.c
@@ -338,18 +338,103 @@ void parse_midi_command(snd_seq_t* seq,
break;
case 0xF0: // *new*
- if (buf[0] == 0xF0) {
- if (!arguments.silent && arguments.verbose) {
- printf("Serial %02X Sysex len = %04X ", operation, buflen); // *new*
- int i;
- for (i=0; i < buflen; i++) {
- printf("%02X ", buf[i]);
+ switch (channel) {
+ case 0x0:
+ if (!arguments.silent && arguments.verbose) {
+ printf("Serial %02X Sysex len = %04X ", operation, buflen); // *new*
+ int i;
+ for (i=0; i < buflen; i++) {
+ printf("%02X ", buf[i]);
+ }
+ printf("\n");
+ fflush(stdout); // *new*
}
- printf("\n");
- fflush(stdout); // *new*
- }
- // Send sysex message
- snd_seq_ev_set_sysex(&ev, buflen, buf);
+ // Send sysex message
+ snd_seq_ev_set_sysex(&ev, buflen, buf);
+ break;
+ case 0x1: // MTC Quarter Frame package
+ if (!arguments.silent && arguments.verbose) {
+ printf("Serial MTC Quarter Frame %02x\n", param1);
+ fflush(stdout); // *new*
+ }
+ snd_seq_ev_set_fixed(&ev);
+ ev.data.control.value = param1;
+ ev.type = SND_SEQ_EVENT_QFRAME;
+ break;
+ case 0x2: // Song Position
+ int_param1 = (int) (param1 & 0x7F) + ((param2 & 0x7F) << 7); // *new*
+ if (!arguments.silent && arguments.verbose) {
+ printf("Serial Song Position %04x\n", int_param1);
+ fflush(stdout); // *new*
+ }
+ snd_seq_ev_set_fixed(&ev);
+ ev.data.control.value = int_param1;
+ ev.type = SND_SEQ_EVENT_SONGPOS;
+ break;
+ case 0x3: // Song Select
+ if (!arguments.silent && arguments.verbose) {
+ printf("Serial Song Select %02x\n", param1);
+ fflush(stdout); // *new*
+ }
+ snd_seq_ev_set_fixed(&ev);
+ ev.data.control.value = param1;
+ ev.type = SND_SEQ_EVENT_SONGSEL;
+ break;
+ case 0x6: // Tune Request
+ if (!arguments.silent && arguments.verbose) {
+ printf("Serial Tune Request\n");
+ fflush(stdout); // *new*
+ }
+ snd_seq_ev_set_fixed(&ev);
+ ev.type = SND_SEQ_EVENT_TUNE_REQUEST;
+ break;
+ case 0x8: // Clock
+ if (!arguments.silent && arguments.verbose) {
+ printf("Serial Clock\n");
+ fflush(stdout); // *new*
+ }
+ snd_seq_ev_set_fixed(&ev);
+ ev.type = SND_SEQ_EVENT_CLOCK;
+ break;
+ case 0xA: // Start
+ if (!arguments.silent && arguments.verbose) {
+ printf("Serial Start\n");
+ fflush(stdout); // *new*
+ }
+ snd_seq_ev_set_fixed(&ev);
+ ev.type = SND_SEQ_EVENT_START;
+ break;
+ case 0xB: // Continue
+ if (!arguments.silent && arguments.verbose) {
+ printf("Serial Continue\n");
+ fflush(stdout); // *new*
+ }
+ snd_seq_ev_set_fixed(&ev);
+ ev.type = SND_SEQ_EVENT_CONTINUE;
+ break;
+ case 0xC: // Stop
+ if (!arguments.silent && arguments.verbose) {
+ printf("Serial Stop\n");
+ fflush(stdout); // *new*
+ }
+ snd_seq_ev_set_fixed(&ev);
+ ev.type = SND_SEQ_EVENT_STOP;
+ break;
+ case 0xE: // Active sense
+ if (!arguments.silent && arguments.verbose) {
+ printf("Serial Active sense\n");
+ fflush(stdout); // *new*
+ }
+ snd_seq_ev_set_fixed(&ev);
+ ev.type = SND_SEQ_EVENT_SENSING;
+ break;
+
+ default:
+ if (!arguments.silent) { // *new*
+ printf("Serial %02X Unknown MIDI System cmd\n", buf[0] & 0xFF); // *new*
+ fflush(stdout); // *new*
+ }
+ break;
}
break;
@@ -464,6 +549,83 @@ void write_midi_action_to_serial_port(sn
}
break;
+ case SND_SEQ_EVENT_QFRAME:
+ bytes[0] = 0xF1;
+ bytes[1] = ev->data.control.value;
+ if (!arguments.silent && arguments.verbose) {
+ printf("Alsa %02X MTC Quarter Frame %02X\n", bytes[0], bytes[1]);
+ fflush(stdout); // *new*
+ }
+ break;
+
+ case SND_SEQ_EVENT_SONGPOS:
+ bytes[0] = 0xF2;
+ ev->data.control.value += 8192;
+ bytes[1] = (unsigned char)(ev->data.control.value & 0x7F);
+ bytes[2] = (unsigned char)(ev->data.control.value >> 7);
+ if (!arguments.silent && arguments.verbose) {
+ printf("Alsa %02X Song Position %04X\n", bytes[0], ev->data.control.value);
+ fflush(stdout); // *new*
+ }
+ break;
+
+ case SND_SEQ_EVENT_SONGSEL:
+ bytes[0] = 0xF3;
+ bytes[1] = ev->data.control.value;
+ if (!arguments.silent && arguments.verbose) {
+ printf("Alsa %02X Song Select %02X\n", bytes[0], bytes[1]);
+ fflush(stdout); // *new*
+ }
+ break;
+
+ case SND_SEQ_EVENT_TUNE_REQUEST:
+ bytes[0] = 0xF6;
+ if (!arguments.silent && arguments.verbose) {
+ printf("Alsa %02X Tune Request\n", bytes[0]);
+ fflush(stdout); // *new*
+ }
+ break;
+
+ case SND_SEQ_EVENT_CLOCK:
+ bytes[0] = 0xF8;
+ if (!arguments.silent && arguments.verbose) {
+ printf("Alsa %02X Clock\n", bytes[0]);
+ fflush(stdout); // *new*
+ }
+ break;
+
+ case SND_SEQ_EVENT_START:
+ bytes[0] = 0xFA;
+ if (!arguments.silent && arguments.verbose) {
+ printf("Alsa %02X Start\n", bytes[0]);
+ fflush(stdout); // *new*
+ }
+ break;
+
+ case SND_SEQ_EVENT_CONTINUE:
+ bytes[0] = 0xFB;
+ if (!arguments.silent && arguments.verbose) {
+ printf("Alsa %02X Continue\n", bytes[0]);
+ fflush(stdout); // *new*
+ }
+ break;
+
+ case SND_SEQ_EVENT_STOP:
+ bytes[0] = 0xFC;
+ if (!arguments.silent && arguments.verbose) {
+ printf("Alsa %02X Stop\n", bytes[0]);
+ fflush(stdout); // *new*
+ }
+ break;
+
+ case SND_SEQ_EVENT_SENSING:
+ bytes[0] = 0xFE;
+ if (!arguments.silent && arguments.verbose) {
+ printf("Alsa %02X Active Sense\n", bytes[0]);
+ fflush(stdout); // *new*
+ }
+ break;
+
default:
if (!arguments.silent) { // *new*
printf("Alsa %02X Unknown MIDI cmd %02X %02X %02X\n", bytes[0]&0xF0, bytes[0]&0x0F, bytes[1], bytes[2]); // *new*
@@ -484,8 +646,10 @@ void write_midi_action_to_serial_port(sn
if (bytes[0]!=0x00)
{
bytes[1] = (bytes[1] & 0x7F); // just to be sure that one bit is really zero
- if (bytes[2]==0xFF) {
+ if (bytes[2]==0xFF || bytes[0]==0xF1 || bytes[0]==0xF3 || bytes[0]==0xF5)
write(serial, bytes, 2);
+ else if (bytes[0]==0xF4 || bytes[0]==0xF6 || bytes[0]>=0xF8) {
+ write(serial, bytes, 1);
} else {
bytes[2] = (bytes[2] & 0x7F);
write(serial, bytes, 3);
@@ -570,7 +734,11 @@ void* read_midi_from_serial_port(void* s
break;
}
buf[0] = buf[i];
- if(buf[0] != 0xF0) //if not SysEx *new*
+ if (buf[0] == 0xF1 || buf[0] == 0xF3 || buf[0] == 0xF5)
+ bytesleft = 1;
+ else if (buf[0] >= 0xF4 || buf[0] >= 0xF6 || (buf[0] >= 0xF8 && buf[0] <= 0xFE))
+ bytesleft = 0;
+ else if (buf[0] != 0xF0) //if not SysEx *new*
bytesleft = 3;
i = 1;
} else {
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