/////////////////////////////////////////////////////////////////////////////
// Local button callback function
// Should return:
// 1 if value has been changed
// 0 if value hasn't been changed
// -1 if invalid or unsupported button
/////////////////////////////////////////////////////////////////////////////
static s32 Button_Handler(seq_ui_button_t button, s32 depressed)
{
if( depressed ) return 0; // ignore when button depressed
// GP button selects preset
if( button <= SEQ_UI_BUTTON_GP16 ) {
// set preset
seq_core_bpm_preset_num = button;
// change Tempo
SEQ_CORE_BPM_Update(seq_core_bpm_preset_tempo[seq_core_bpm_preset_num], seq_core_bpm_preset_ramp[seq_core_bpm_preset_num]);
#if 0
// and enter BPM page again
SEQ_UI_PageSet(SEQ_UI_PAGE_BPM);
#endif
// (NO!)
return 1;
}
// TODO
// too bad, that the menu handling concept doesn't allow to react on exit button here
// this would allow to exit preset selection mode w/o exiting BPM page
return -1; // ignore remaining buttons
}
/////////////////////////////////////////////////////////////////////////////
// Local button callback function
// Should return:
// 1 if value has been changed
// 0 if value hasn't been changed
// -1 if invalid or unsupported button
/////////////////////////////////////////////////////////////////////////////
static s32 Button_Handler(seq_ui_button_t button, s32 depressed)
{
if( depressed ) return 0; // ignore when button depressed
// reset tap tempo if any button != GP16 has been pressed
if( button != SEQ_UI_BUTTON_GP16 )
resetTapTempo();
#if 0
// leads to: comparison is always true due to limited range of data type
if( button >= SEQ_UI_BUTTON_GP1 && button <= SEQ_UI_BUTTON_GP16 ) {
#else
if( button <= SEQ_UI_BUTTON_GP16 ) {
#endif
switch( button ) {
case SEQ_UI_BUTTON_GP6:
case SEQ_UI_BUTTON_GP7:
// fire preset
SEQ_CORE_BPM_Update(seq_core_bpm_preset_tempo[seq_core_bpm_preset_num], seq_core_bpm_preset_ramp[seq_core_bpm_preset_num]);
return 1;
case SEQ_UI_BUTTON_GP8:
// enter preset selection page
SEQ_UI_PageSet(SEQ_UI_PAGE_BPM_PRESETS);
return 1;
}
// re-use encoder handler - only select UI item, don't increment
return Encoder_Handler((int)button, 0);
}
// remaining buttons:
switch( button ) {
case SEQ_UI_BUTTON_Select:
case SEQ_UI_BUTTON_Right:
if( ++ui_selected_item >= NUM_OF_ITEMS )
ui_selected_item = 0;
return 1; // value always changed
case SEQ_UI_BUTTON_Left:
if( ui_selected_item == 0 )
ui_selected_item = NUM_OF_ITEMS-1;
else
--ui_selected_item;
return 1; // value always changed
case SEQ_UI_BUTTON_Up:
return Encoder_Handler(SEQ_UI_ENCODER_Datawheel, 1);
case SEQ_UI_BUTTON_Down:
return Encoder_Handler(SEQ_UI_ENCODER_Datawheel, -1);
}
return -1; // invalid or unsupported button
}
/////////////////////////////////////////////////////////////////////////////
// Local Display Handler function
// IN: <high_prio>: if set, a high-priority LCD update is requested
/////////////////////////////////////////////////////////////////////////////
static s32 LCD_Handler(u8 high_prio)
{
if( high_prio )
return 0; // there are no high-priority updates
// layout:
// 00000000001111111111222222222233333333330000000000111111111122222222223333333333
// 01234567890123456789012345678901234567890123456789012345678901234567890123456789
// <--------------------------------------><-------------------------------------->
// Mode Preset Tempo Ramp Fire Preset MClk In/Out Ext. Tap
// Master 1 140.0 1s Preset Page USB1 I:on O:off Restart Tempo
///////////////////////////////////////////////////////////////////////////
SEQ_LCD_CursorSet(0, 0);
SEQ_LCD_PrintString(" Mode Preset Tempo Ramp Fire Preset MClk In/Out ");
SEQ_LCD_PrintString(seq_core_state.EXT_RESTART_REQ ? "Ongoing" : " Ext. ");
SEQ_LCD_PrintString(" Tap ");
///////////////////////////////////////////////////////////////////////////
SEQ_LCD_CursorSet(0, 1);
if( ui_selected_item == ITEM_MODE && ui_cursor_flash ) {
SEQ_LCD_PrintSpaces(6);
} else {
const char mode_str[3][7] = { " Auto ", "Master", "Slave "};
SEQ_LCD_PrintString((char *)mode_str[SEQ_BPM_ModeGet()]);
}
SEQ_LCD_PrintSpaces(2);
///////////////////////////////////////////////////////////////////////////
if( ui_selected_item == ITEM_PRESET && ui_cursor_flash ) {
SEQ_LCD_PrintSpaces(2);
} else {
SEQ_LCD_PrintFormattedString("%2d", seq_core_bpm_preset_num+1);
}
SEQ_LCD_PrintSpaces(3);
///////////////////////////////////////////////////////////////////////////
if( ui_selected_item == ITEM_BPM && ui_cursor_flash ) {
SEQ_LCD_PrintSpaces(5);
} else {
float bpm = seq_core_bpm_preset_tempo[seq_core_bpm_preset_num];
SEQ_LCD_PrintFormattedString("%3d.%d", (int)bpm, (int)(10*bpm)%10);
}
SEQ_LCD_PrintSpaces(2);
///////////////////////////////////////////////////////////////////////////
if( ui_selected_item == ITEM_RAMP && ui_cursor_flash ) {
SEQ_LCD_PrintSpaces(3);
} else {
float ramp = seq_core_bpm_preset_ramp[seq_core_bpm_preset_num];
SEQ_LCD_PrintFormattedString("%2ds", (int)ramp);
}
///////////////////////////////////////////////////////////////////////////
SEQ_LCD_PrintString(" Preset Page ");
///////////////////////////////////////////////////////////////////////////
if( ui_selected_item == ITEM_MCLK_PORT && ui_cursor_flash ) {
SEQ_LCD_PrintSpaces(4);
} else {
SEQ_LCD_PrintString(SEQ_MIDI_PORT_ClkNameGet(SEQ_MIDI_PORT_ClkIxGet(selected_mclk_port)));
}
SEQ_LCD_PrintSpaces(1);
///////////////////////////////////////////////////////////////////////////
SEQ_LCD_PrintString("I:");
if( ui_selected_item == ITEM_MCLK_IN && ui_cursor_flash ) {
SEQ_LCD_PrintSpaces(3);
} else {
s32 status = SEQ_MIDI_ROUTER_MIDIClockInGet(selected_mclk_port);
if( !SEQ_MIDI_PORT_ClkCheckAvailable(selected_mclk_port) )
status = -1; // MIDI In port not available
switch( status ) {
case 0: SEQ_LCD_PrintString("off"); break;
case 1: SEQ_LCD_PrintString("on "); break;
default: SEQ_LCD_PrintString("---");
}
}
SEQ_LCD_PrintSpaces(1);
///////////////////////////////////////////////////////////////////////////
SEQ_LCD_PrintString("O:");
if( ui_selected_item == ITEM_MCLK_OUT && ui_cursor_flash ) {
SEQ_LCD_PrintSpaces(3);
} else {
s32 status = SEQ_MIDI_ROUTER_MIDIClockOutGet(selected_mclk_port);
if( !SEQ_MIDI_PORT_ClkCheckAvailable(selected_mclk_port) )
status = -1; // MIDI Out port not available
switch( status ) {
case 0: SEQ_LCD_PrintString("off"); break;
case 1: SEQ_LCD_PrintString("on "); break;
default: SEQ_LCD_PrintString("---");
}
}
SEQ_LCD_PrintSpaces(3);
// DIN Sync moved to CV configuration
SEQ_LCD_PrintSpaces(3+4);
///////////////////////////////////////////////////////////////////////////
SEQ_LCD_PrintString("Restart Tempo");
return 0; // no error
}
/////////////////////////////////////////////////////////////////////////////
// Local exit function
/////////////////////////////////////////////////////////////////////////////
static s32 EXIT_Handler(void)
{
s32 status = 0;
if( store_file_required ) {
// write config file
MUTEX_SDCARD_TAKE;
if( (status=SEQ_FILE_C_Write(seq_file_session_name)) < 0 )
SEQ_UI_SDCardErrMsg(2000, status);
MUTEX_SDCARD_GIVE;
store_file_required = 0;
}
return status;
}
/////////////////////////////////////////////////////////////////////////////
// Local encoder callback function
// Should return:
// 1 if value has been changed
// 0 if value hasn't been changed
// -1 if invalid or unsupported encoder
/////////////////////////////////////////////////////////////////////////////
static s32 Encoder_Handler(seq_ui_encoder_t encoder, s32 incrementer)
{
// reset tap tempo if any encoder != GP16 has been pressed
if( encoder != SEQ_UI_ENCODER_GP16 )
resetTapTempo();
switch( encoder ) {
case SEQ_UI_ENCODER_GP1:
ui_selected_item = ITEM_MODE;
break;
case SEQ_UI_ENCODER_GP2:
ui_selected_item = ITEM_PRESET;
break;
case SEQ_UI_ENCODER_GP3:
ui_selected_item = ITEM_BPM;
// special feature: these two encoders increment *10
incrementer *= 10;
break;
case SEQ_UI_ENCODER_GP4:
ui_selected_item = ITEM_BPM;
break;
case SEQ_UI_ENCODER_GP5:
ui_selected_item = ITEM_RAMP;
break;
case SEQ_UI_ENCODER_GP6:
case SEQ_UI_ENCODER_GP7:
case SEQ_UI_ENCODER_GP8:
return -1; // not mapped to encoder
case SEQ_UI_ENCODER_GP9:
ui_selected_item = ITEM_MCLK_PORT;
break;
case SEQ_UI_ENCODER_GP10:
ui_selected_item = ITEM_MCLK_IN;
break;
case SEQ_UI_ENCODER_GP11:
ui_selected_item = ITEM_MCLK_OUT;
break;
case SEQ_UI_ENCODER_GP12:
case SEQ_UI_ENCODER_GP13:
return -1; // not used (yet)
case SEQ_UI_ENCODER_GP14:
case SEQ_UI_ENCODER_GP15:
// external restart request should be atomic
portENTER_CRITICAL();
seq_core_state.EXT_RESTART_REQ = 1;
portEXIT_CRITICAL();
return 1;
case SEQ_UI_ENCODER_GP16:
SEQ_UI_BPM_TapTempo();
return 1;
}
// for GP encoders and Datawheel
switch( ui_selected_item ) {
case ITEM_MODE: {
u8 value = SEQ_BPM_ModeGet();
if( SEQ_UI_Var8_Inc(&value, 0, 2, incrementer) ) {
SEQ_BPM_ModeSet(value);
store_file_required = 1;
return 1; // value has been changed
} else
return 0; // value hasn't been changed
} break;
case ITEM_PRESET: {
return SEQ_UI_Var8_Inc(&seq_core_bpm_preset_num, 0, SEQ_CORE_NUM_BPM_PRESETS-1, incrementer);
} break;
case ITEM_BPM: {
u16 value = (u16)(seq_core_bpm_preset_tempo[seq_core_bpm_preset_num]*10);
if( SEQ_UI_Var16_Inc(&value, 25, 3000, incrementer) ) { // at 384ppqn, the minimum BPM rate is ca. 2.5
// set new BPM
seq_core_bpm_preset_tempo[seq_core_bpm_preset_num] = (float)value/10.0;
SEQ_CORE_BPM_Update(seq_core_bpm_preset_tempo[seq_core_bpm_preset_num], seq_core_bpm_preset_ramp[seq_core_bpm_preset_num]);
store_file_required = 1;
return 1; // value has been changed
} else
return 0; // value hasn't been changed
} break;
case ITEM_RAMP: {
u16 value = (u16)seq_core_bpm_preset_ramp[seq_core_bpm_preset_num];
if( SEQ_UI_Var16_Inc(&value, 0, 99, incrementer) ) {
seq_core_bpm_preset_ramp[seq_core_bpm_preset_num] = (float)value;
store_file_required = 1;
return 1; // value has been changed
} else
return 0; // value hasn't been changed
} break;
case ITEM_MCLK_PORT: {
u8 port_ix = SEQ_MIDI_PORT_ClkIxGet(selected_mclk_port);
if( SEQ_UI_Var8_Inc(&port_ix, 0, SEQ_MIDI_PORT_ClkNumGet()-1, incrementer) >= 0 ) {
selected_mclk_port = SEQ_MIDI_PORT_ClkPortGet(port_ix);
return 1; // value changed
}
return 0; // no change
} break;
case ITEM_MCLK_IN: {
s32 status = SEQ_MIDI_ROUTER_MIDIClockInGet(selected_mclk_port);
if( status < 0 )
return 0; // no change
u8 enable = status;
if( SEQ_UI_Var8_Inc(&enable, 0, 1, incrementer) >= 0 ) {
SEQ_MIDI_ROUTER_MIDIClockInSet(selected_mclk_port, enable);
store_file_required = 1;
return 1; // value changed
}
return 0; // no change
} break;
case ITEM_MCLK_OUT: {
s32 status = SEQ_MIDI_ROUTER_MIDIClockOutGet(selected_mclk_port);
if( status < 0 )
return 0; // no change
u8 enable = status;
if( SEQ_UI_Var8_Inc(&enable, 0, 1, incrementer) >= 0 ) {
SEQ_MIDI_ROUTER_MIDIClockOutSet(selected_mclk_port, enable);
store_file_required = 1;
return 1; // value changed
}
return 0; // no change
} break;
}
return -1; // invalid or unsupported encoder
}
/////////////////////////////////////////////////////////////////////////////
// Local encoder callback function
// Should return:
// 1 if value has been changed
// 0 if value hasn't been changed
// -1 if invalid or unsupported encoder
/////////////////////////////////////////////////////////////////////////////
static s32 Encoder_Handler(seq_ui_encoder_t encoder, s32 incrementer)
{
if( SEQ_FILE_FormattingRequired() )
return 0; // no encoder action as long as files not available
switch( selected_page ) {
///////////////////////////////////////////////////////////////////////////
// REMIX PAGE
case PAGE_REMIX: {
// TODO: finish the incrementer helper for gp encoders
if( encoder <= SEQ_UI_ENCODER_GP16 ) {
if ( preview_mode ) { // the remix state
if( ((1 << encoder) | seq_pattern_remix_map) == seq_pattern_remix_map ) { // if we already got the requested bit setup
// unset him inside remix map
seq_pattern_remix_map &= ~(1 << encoder);
} else { // else setup it!
// set him inside remix map
seq_pattern_remix_map |= (1 << encoder);
}
} else { // the demix state
// in this state we can not mix, just turn mixed states track into demixed state
if( ((1 << encoder) | seq_pattern_remix_map) == seq_pattern_remix_map ) { // if we already got the requested bit setup inside remix map
// unset him inside remix map
seq_pattern_remix_map &= ~(1 << encoder);
} else if ( ((1 << encoder) | seq_pattern_demix_map) == seq_pattern_demix_map ) { // if we already got the requested bit setup demix map
// set him inside remix map
seq_pattern_remix_map |= (1 << encoder);
}
}
if ( !preview_mode && ableton_api) {
// send slot play envet to ableton cc (111 + track) with value 127 to channel 16
MIOS32_MIDI_SendCC(ableton_port, 15, (111 + encoder), 127);
}
}
} break;
///////////////////////////////////////////////////////////////////////////
// OPTION PAGE
case PAGE_OPTION: {
} break;
///////////////////////////////////////////////////////////////////////////
// PATTERN NAME EDIT PAGE
case PAGE_NAME_EDIT: {
u8 group;
s32 status;
// if we got a OK button pressed
if (encoder==SEQ_UI_ENCODER_GP16) {
// Get back to main page
selected_page = PAGE_MAIN;
return 1;
}
if( (status=SEQ_UI_KeyPad_Handler(encoder, incrementer, (char *)&seq_pattern_name[0], 20)) < 0 ) {
// error
return 0;
} else {
// copy the name of group 1 pattern to all other pattern groups
for(group=1; group<SEQ_CORE_NUM_GROUPS; ++group) {
//SEQ_LABEL_CopyPresetCategory(seq_pattern[0].num, (char *)&seq_pattern_name[group][0]);
sprintf(seq_pattern_name[group], seq_pattern_name[0]);
}
// copy the pattern name
sprintf(pattern_name, seq_pattern_name[0]);
}
return 1;
} break;
///////////////////////////////////////////////////////////////////////////
// TRACK DELAY PAGE
case PAGE_TRK_DELAY: {
} break;
///////////////////////////////////////////////////////////////////////////
// MAIN PAGE
case PAGE_MAIN: {
switch( encoder ) {
case SEQ_UI_ENCODER_Datawheel:
incrementer = incrementer;
u16 value = (u16)(seq_core_bpm_preset_tempo[seq_core_bpm_preset_num]*10);
if( SEQ_UI_Var16_Inc(&value, 25, 3000, incrementer) ) { // at 384ppqn, the minimum BPM rate is ca. 2.5
// set new BPM
seq_core_bpm_preset_tempo[seq_core_bpm_preset_num] = (float)value/10.0;
SEQ_CORE_BPM_Update(seq_core_bpm_preset_tempo[seq_core_bpm_preset_num], seq_core_bpm_preset_ramp[seq_core_bpm_preset_num]);
return 1; // value has been changed
} else {
return 0; // value hasn't been changed
}
default:
return -1; // invalid or unsupported encoder
}
} break;
///////////////////////////////////////////////////////////////////////////
// Page do not exist
default:
break;
}
return 0;
}
/////////////////////////////////////////////////////////////////////////////
// fetches the pos entries of a song
// returns -1 if recursion counter reached max position
/////////////////////////////////////////////////////////////////////////////
s32 SEQ_SONG_FetchPos(u8 force_immediate_change, u8 dont_dump_mixer_map)
{
int recursion_ctr = 0;
u8 again;
do {
again = 0;
// stop song once recursion counter reached 64 loops
if( ++recursion_ctr >= 64 ) {
SEQ_BPM_Stop();
return -1; // recursion detected
}
// reset song position if we reached the end (loop over 128 steps)
if( song_pos >= SEQ_SONG_NUM_STEPS )
song_pos = 0;
// get step entry
seq_song_step_t *s = (seq_song_step_t *)&seq_song_steps[song_pos];
// branch depending on action
switch( s->action ) {
case SEQ_SONG_ACTION_End:
#if 0
if( song_active ) // not in phrase mode
SEQ_BPM_Stop();
#else
song_finished = 1; // deactivate song incrementer
#endif
break;
case SEQ_SONG_ACTION_JmpPos:
song_pos = s->action_value % SEQ_SONG_NUM_STEPS;
again = 1;
break;
case SEQ_SONG_ACTION_JmpSong: {
if( song_active ) { // not in phrase mode
u32 new_song_num = s->action_value % SEQ_SONG_NUM;
SEQ_SONG_Save(song_num);
SEQ_SONG_Load(new_song_num);
song_pos = 0;
again = 1;
}
} break;
case SEQ_SONG_ACTION_SelMixerMap:
SEQ_MIXER_Load(s->action_value);
SEQ_MIDI_IN_ExtCtrlSend(SEQ_MIDI_IN_EXT_CTRL_MIXER_MAP, s->action_value, 0);
if( !dont_dump_mixer_map )
SEQ_MIXER_SendAll();
++song_pos;
again = 1;
break;
case SEQ_SONG_ACTION_Tempo: {
float bpm = (float)s->action_value;
if( bpm < 25.0 )
bpm = 25.0;
float ramp = (float)s->pattern_g1;
SEQ_CORE_BPM_Update(bpm, ramp);
++song_pos;
again = 1;
} break;
case SEQ_SONG_ACTION_Mutes: {
// access to seq_core_trk[] must be atomic!
portENTER_CRITICAL();
seq_core_trk_muted =
((s->pattern_g1 & 0x0f) << 0) |
((s->pattern_g2 & 0x0f) << 4) |
((s->pattern_g3 & 0x0f) << 8) |
((s->pattern_g4 & 0x0f) << 12);
portEXIT_CRITICAL();
++song_pos;
again = 1;
} break;
case SEQ_SONG_ACTION_GuideTrack: {
if( s->action_value <= 16 )
seq_song_guide_track = s->action_value;
++song_pos;
again = 1;
} break;
default:
if( s->action >= SEQ_SONG_ACTION_Loop1 && s->action <= SEQ_SONG_ACTION_Loop16 ) {
song_loop_ctr = 0;
song_loop_ctr_max = s->action - SEQ_SONG_ACTION_Loop1;
// TODO: implement prefetching until end of step!
SEQ_SONG_FetchHlp_PatternChange(0, s->pattern_g1, s->bank_g1, force_immediate_change);
SEQ_SONG_FetchHlp_PatternChange(1, s->pattern_g2, s->bank_g2, force_immediate_change);
SEQ_SONG_FetchHlp_PatternChange(2, s->pattern_g3, s->bank_g3, force_immediate_change);
SEQ_SONG_FetchHlp_PatternChange(3, s->pattern_g4, s->bank_g4, force_immediate_change);
}
}
} while( again );
return 0; // no error
}
