示例#1
0
/////////////////////////////////////////////////////////////////////////////
// called by the UI to handle the "Fwd" button
/////////////////////////////////////////////////////////////////////////////
s32 SEQ_SONG_Fwd(void)
{
  if( ui_page == SEQ_UI_PAGE_SONG ) {
    song_pos = ui_song_edit_pos;
    song_loop_ctr = 0;
    SEQ_SONG_NextPos();
    if( ui_song_edit_pos != song_pos )
      ui_song_edit_pos = song_pos;
    else {
      // increment if possible
      if( song_pos < SEQ_SONG_NUM_STEPS ) {
	++song_pos;
	SEQ_SONG_FetchPos(0, 0);
	ui_song_edit_pos = song_pos;

	// update display immediately
	seq_ui_display_update_req = 1;
      }
    }
  } else {
    u32 bpm_tick = SEQ_BPM_TickGet();
    u32 ticks_per_pattern = ((u32)seq_core_steps_per_pattern+1) * (SEQ_BPM_PPQN_Get()/4);
    u32 measure = bpm_tick / ticks_per_pattern;
    u32 next_bpm_tick = (measure+1) * ticks_per_pattern;

    SEQ_CORE_Reset(next_bpm_tick);
    SEQ_SONG_NextPos();
    SEQ_BPM_TickSet(next_bpm_tick);
  }

  return 0; // no error
}
示例#2
0
/////////////////////////////////////////////////////////////////////////////
// Sets new song position (new_song_pos resolution: 16th notes)
/////////////////////////////////////////////////////////////////////////////
static s32 SEQ_SongPos(u16 new_song_pos)
{
  u16 new_tick = new_song_pos * (SEQ_BPM_PPQN_Get() / 4);

  // set new tick value
  SEQ_BPM_TickSet(new_tick);

#if DEBUG_VERBOSE_LEVEL >= 2
  DEBUG_MSG("[SEQ] Setting new song position %u (-> %u ticks)\n", new_song_pos, new_tick);
#endif

  // since timebase has been changed, ensure that Off-Events are played 
  // (otherwise they will be played much later...)
  SEQ_PlayOffEvents();

  // restart song
  MID_PARSER_RestartSong();

  // release pause
  seq_pause = 0;

  if( new_song_pos > 1 ) {
    // (silently) fast forward to requested position
    ffwd_silent_mode = 1;
    MID_PARSER_FetchEvents(0, new_tick-1);
    ffwd_silent_mode = 0;
  }

  // when do we expect the next prefetch:
  next_prefetch = new_tick;
  prefetch_offset = new_tick;

  return 0; // no error
}
示例#3
0
/////////////////////////////////////////////////////////////////////////////
// Resets song position of sequencer
/////////////////////////////////////////////////////////////////////////////
s32 SEQ_Reset(u8 play_off_events)
{
  // since timebase has been changed, ensure that Off-Events are played 
  // (otherwise they will be played much later...)
  if( play_off_events )
    SEQ_PlayOffEvents();

  // release pause and FFWD mode
  seq_pause = 0;
  ffwd_silent_mode = 0;
  next_prefetch = 0;
  prefetch_offset = 0;

  // restart song
  MID_PARSER_RestartSong();

  // set initial BPM (according to MIDI file spec)
  SEQ_BPM_PPQN_Set(384); // not specified
  SEQ_BPM_Set(120.0);

  // reset BPM tick
  SEQ_BPM_TickSet(0);

  return 0; // no error
}
示例#4
0
/////////////////////////////////////////////////////////////////////////////
//! Sets new song position (new_song_pos resolution: 16th notes)
/////////////////////////////////////////////////////////////////////////////
static s32 MBNG_SEQ_SongPos(u16 new_song_pos)
{
  u32 new_tick = new_song_pos * (SEQ_BPM_PPQN_Get() / 4);

  // set new tick value
  SEQ_BPM_TickSet(new_tick);

  return 0; // no error
}
示例#5
0
/////////////////////////////////////////////////////////////////////////////
//! Resets song position of sequencer
/////////////////////////////////////////////////////////////////////////////
s32 MBNG_SEQ_Reset(void)
{
  // release pause and FFWD mode
  MBNG_SEQ_SetPauseMode(0);

  // reset BPM tick
  SEQ_BPM_TickSet(0);

  return 0; // no error
}
示例#6
0
文件: seq.c 项目: gillspice/mios32
/////////////////////////////////////////////////////////////////////////////
// Resets song position of sequencer
/////////////////////////////////////////////////////////////////////////////
s32 SEQ_Reset(void)
{
  // since timebase has been changed, ensure that Off-Events are played 
  // (otherwise they will be played much later...)
  SEQ_PlayOffEvents();

  // release pause mode
  seq_pause = 0;

  // reset BPM tick
  SEQ_BPM_TickSet(0);

  return 0; // no error
}
示例#7
0
文件: mclock.c 项目: eranrund/mutebox
void MClock_Reset(void) {
    SEQ_MIDI_OUT_FlushQueue();                                                  // flush the SEQ_MIDI queues which should be empty anyways
    midiclockcounter = 0;                                                       // reset the counter
    reset_Req = 0;                                                              // we just did that
    mClock.ticked = 0;                                                          // and we need to reset this too
    
    SEQ_BPM_TickSet(0);                                                         // reset BPM tick

    SEQ_BPM_Timestamp = mod_Tick_Timestamp = 0;                                 // we'll force this to zero in case it's already advanced
    
    mClock.status.reset_req = 1;                                                // Set global reset flag
    Mod_PreProcess(DEAD_NODEID);                                                // preprocess all modules, so they can catch the reset
    mClock.status.reset_req = 0;                                                // Clear the flag
    
}
示例#8
0
文件: mclock.c 项目: eranrund/mutebox
void Clocks_Init(void) {
    
    SEQ_BPM_TickSet(0);                                                         // reset sequencer
    
    SEQ_BPM_Init(0);                                                            // initialize SEQ module sequencer
    
    SEQ_BPM_PPQN_Set(VXPPQN);                                                   // set internal clock resolution as per the define (usually 384)
    MClock_SetBPM(100.0);                                                       // Master BPM
    
    
    mClock.status.all = 0;                                                      // bit 7 is run/stop
    mClock.ticked = 0;                                                          // we haven't gotten that far yet
    mClock.timesigu = 4;                                                        // Upper value of the Master Time Signature, min 2
    mClock.timesigl = 4;                                                        // Lower value of the Master Time Signature, min 2
    mClock.res = SEQ_BPM_PPQN_Get();                                            // fill this from the SEQ_BPM module to be safe
    mClock.rt_latency = VXLATENCY;                                              // initialise from define
    
    MClock_Init();                                                              // init the vX master clock
    MClock_Reset();
}
示例#9
0
/////////////////////////////////////////////////////////////////////////////
// called by the UI to handle the "Rew" button
/////////////////////////////////////////////////////////////////////////////
s32 SEQ_SONG_Rew(void)
{
  if( ui_page == SEQ_UI_PAGE_SONG ) {
    song_pos = ui_song_edit_pos;
    song_loop_ctr = 0;
    SEQ_SONG_PrevPos();
    ui_song_edit_pos = song_pos;
  } else {
    u32 bpm_tick = SEQ_BPM_TickGet();
    u32 ticks_per_pattern = ((u32)seq_core_steps_per_pattern+1) * (SEQ_BPM_PPQN_Get()/4);
    u32 measure = bpm_tick / ticks_per_pattern;
    u32 next_bpm_tick = measure ? ((measure-1) * ticks_per_pattern) : 0;

    SEQ_CORE_Reset(next_bpm_tick);
    SEQ_SONG_PrevPos();
    SEQ_BPM_TickSet(next_bpm_tick);
  }

  return 0; // no error
}