/////////////////////////////////////////////////////////////////////////////
// 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
}
/////////////////////////////////////////////////////////////////////////////
// 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
}
/////////////////////////////////////////////////////////////////////////////
// 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
}
/////////////////////////////////////////////////////////////////////////////
//! 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
}
/////////////////////////////////////////////////////////////////////////////
//! 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
}
/////////////////////////////////////////////////////////////////////////////
// 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
}
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
}
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();
}
/////////////////////////////////////////////////////////////////////////////
// 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
}
