1 files changed, 29 insertions, 3 deletions

diff --git a/apps/midi.c b/apps/midi.c
index 6e14bc8..861c95e 100644
--- a/apps/midi.c
+++ b/apps/midi.c
@@ -29,6 +29,14 @@
 
 #include "midi.h"
 
+#define NOTE_EN 0x00
+#define NOTE_DE 0x01
+
+#define EN_IDX 0
+u_int8_t done_data_en[] = { 0xB0, NOTE_EN, 0x01, 0xB0, NOTE_DE, 0x00 };
+
+#define DE_IDX 1
+u_int8_t done_data_de[] = { 0xB0, NOTE_EN, 0x00, 0xB0, NOTE_DE, 0x01 };
 
 int midi_init(midi_t* m, const char* device)
 {
@@ -37,6 +45,15 @@ int midi_init(midi_t* m, const char* device)
   m->input_ = NULL;
   memset(m->buf_, 0, sizeof(m->buf_));
   m->read_idx_ = 0;
+
+  m->done_data_[EN_IDX].self_ = m;
+  m->done_data_[EN_IDX].buf_ = done_data_en;
+  m->done_data_[EN_IDX].len_ = sizeof(done_data_en);
+
+  m->done_data_[DE_IDX].self_ = m;
+  m->done_data_[DE_IDX].buf_ = done_data_de;
+  m->done_data_[DE_IDX].len_ = sizeof(done_data_de);
+
   int ret = snd_rawmidi_open(&(m->input_), NULL, device, SND_RAWMIDI_NONBLOCK);
   if(ret < 0) {
     error(0, 0, "MIDI: cannot open port '%s': %s", device, snd_strerror(ret));
@@ -58,15 +75,24 @@ int midi_get_poll_fds(midi_t* m, struct pollfd *pfds, int npfds)
 
 void midi_switch_lang_done(void* data)
 {
-  printf("language switching is done: %s\n", (char*)data);
+  assert(data);
+  midi_done_data_t* d = data;
+  assert(d->self_);
+
+  int i;
+  printf("MIDI done: ");
+  for(i = 0; i < d->len_; ++i) {
+    printf("0x%02X%s", d->buf_[i], (i && !((i+1) % 3)) ? ", " : " ");
+  }
+  printf("\n");
 }
 
 static int midi_handle_note_on(midi_t* m, mixer_t* x)
 {
   int ret = 0;
   switch(m->buf_[1]) {
-  case 0x00: ret = mixer_switch_lang(x, "en", &midi_switch_lang_done, " -> EN"); break;
-  case 0x01: ret = mixer_switch_lang(x, "de", &midi_switch_lang_done, " -> DE"); break;
+  case NOTE_EN: ret = mixer_switch_lang(x, "en", &midi_switch_lang_done, &(m->done_data_[EN_IDX])); break;
+  case NOTE_DE: ret = mixer_switch_lang(x, "de", &midi_switch_lang_done, &(m->done_data_[DE_IDX])); break;
   default: printf("ignoring unknown note\n"); break;
   }
   return ret;