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MicroDexed/sequencer.cpp

228 lines
10 KiB

#include "config.h"
#include "sequencer.h"
#include <LCDMenuLib2.h>
#include <LiquidCrystal_I2C.h>
extern LCDMenuLib2 LCDML;
extern LiquidCrystal_I2C lcd;
extern config_t configuration;
extern uint8_t drum_midi_channel;
extern uint8_t activesample;
extern uint8_t get_sample_note(uint8_t sample);
extern void handleNoteOn(byte , byte , byte );
extern void handleNoteOff(byte , byte , byte );
extern void UI_func_seq_pattern_editor(uint8_t);
extern void UI_func_arpeggio(uint8_t);
extern const char* seq_find_shortname(uint8_t);
extern void set_sample_pitch (uint8_t, float); //float32_t not working
extern float get_sample_vol_max(uint8_t);
extern float get_sample_p_offset(uint8_t);
boolean interrupt_swapper = false;
sequencer_t seq;
void seq_live_recording(void)
{
//record to sequencer if sequencer menu is active and recording is active
if (seq.seq_note_in > 0 && seq.seq_recording == true && LCDML.FUNC_getID() == LCDML.OTHER_getIDFromFunction(UI_func_seq_pattern_editor))
{
seq.seq_data[seq.seq_active_track][seq.seq_step] = seq.seq_note_in;
if ( get_sample_note(activesample) > 209 ) // pitched sample
{
seq.seq_vel[seq.seq_active_track][seq.seq_step] = get_sample_note(activesample);
}
else
seq.seq_vel[seq.seq_active_track][seq.seq_step] = seq.seq_note_in_velocity;
seq.seq_note_in = 0;
seq.seq_note_in_velocity = 0;
}
}
void sequencer_part1(void)
{
//if (seq.seq_note_in > 0 && seq.seq_note_in < 62 && seq.seq_recording == false ) {
//handleNoteOff(configuration.dexed[0].midi_channel, seq.seq_data[3][seq.seq_step] + seq.seq_transpose , 0);
//handleNoteOff(configuration.dexed[0].midi_channel, seq.seq_data[3][seq.seq_step - 1] + seq.seq_transpose , 0);
//if (seq.seq_note_in>65)seq.seq_note_in=seq.seq_note_in-12;
//seq.seq_transpose = seq.seq_note_in % 12 ;
//seq.seq_transpose=seq.seq_transpose-12;
//seq.seq_note_in = 0;
//}
seq_live_recording();
for (uint8_t d = 0; d < NUM_SEQ_TRACKS; d++)
{
if (seq.seq_patternchain[seq.seq_chain_active_step][d] < NUM_SEQ_PATTERN ) // sequence not empty or muted
{
if ( seq.seq_track_type[d] == 0)
{ // drum track (drum samples and pitched one-shot samples)
if (seq.seq_data[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] > 0 )
{
if (seq.seq_vel[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] > 209) // it is a pitched sample
{
// Drum[slot]->setPlaybackRate( pow (2, (inNote - 72) / 12.00) * drum_config[sample].pitch ); get_sample_vol_max(sample)
set_sample_pitch(seq.seq_vel[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] - 210 , (float)pow (2, (seq.seq_data[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] - 72) / 12.00) * get_sample_p_offset( seq.seq_vel[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] - 210 ) );
handleNoteOn(drum_midi_channel, seq.seq_vel[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] , 90 );
}
else // else play normal drum sample
handleNoteOn(drum_midi_channel, seq.seq_data[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] , seq.seq_vel[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step]);
}
}
else {
if (seq.seq_data[seq.seq_patternchain[seq.seq_chain_active_step][d]][seq.seq_step] > 0 ) // instrument track
{
if (seq.seq_track_type[d] == 1 || (seq.seq_track_type[d] == 3 && seq.arp_play_basenote) )
{
if (seq.seq_data[seq.seq_patternchain[seq.seq_chain_active_step][d]][seq.seq_step] != 130 )
{
handleNoteOn(configuration.dexed[seq.seq_inst_dexed[d]].midi_channel, seq.seq_data[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step], seq.seq_vel[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step]);
seq.seq_prev_note[d] = seq.seq_data[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step];
seq.seq_prev_vel[d] = seq.seq_vel[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step];
}
}
else if (seq.seq_track_type[d] == 2 ) //Chords
{
if (seq.seq_vel[ seq.seq_patternchain[seq.seq_chain_active_step][d]][seq.seq_step] > 199)
{
//handleNoteOn(configuration.dexed[seq.seq_inst_dexed[d]].midi_channel, seq.seq_data[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step], seq.seq_chord_velocity); // basenote
for (uint8_t x = seq.seq_element_shift; x < seq.seq_element_shift + seq.seq_chord_key_ammount; x++) //play chord notes
{
handleNoteOn(configuration.dexed[seq.seq_chord_dexed_inst].midi_channel, seq.seq_data[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] + (seq.seq_oct_shift * 12) + seq.seq_arps[seq.seq_vel[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] - 200][x], seq.seq_chord_velocity);
}
seq.seq_prev_note[d] = seq.seq_data[seq.seq_patternchain[seq.seq_chain_active_step][d]][seq.seq_step] + (seq.seq_oct_shift * 12);
seq.seq_prev_vel[d] = seq.seq_vel[seq.seq_patternchain[seq.seq_chain_active_step][d]][seq.seq_step];
}
}
if (seq.seq_track_type[d] == 3) { //Arp
seq.arp_step = 0;
seq.arp_counter = 0;
seq.arp_note = seq.seq_data[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] + (seq.seq_oct_shift * 12);
seq.arp_chord = seq.seq_vel[seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] - 200;
}
}
// after here not triggered by a key input - arp only
if (seq.seq_track_type[d] == 3)
{ //Arp
if (seq.arp_speed == 0 || (seq.arp_speed == 1 && seq.arp_counter == 0) ) {
{ if (seq.arp_style == 0) { //arp up
handleNoteOn(configuration.dexed[seq.seq_chord_dexed_inst].midi_channel, seq.arp_note + seq.seq_arps[seq.arp_chord][seq.arp_step + seq.seq_element_shift], seq.seq_chord_velocity);
seq.arp_note_prev = seq.arp_note + seq.seq_arps[seq.arp_chord][seq.arp_step + seq.seq_element_shift] ;
}
else if (seq.arp_style == 1) { //arp down
handleNoteOn(configuration.dexed[seq.seq_chord_dexed_inst].midi_channel, seq.arp_note + seq.seq_arps[seq.arp_chord][seq.arp_lenght - seq.arp_step + seq.seq_element_shift], seq.seq_chord_velocity);
seq.arp_note_prev = seq.arp_note + seq.seq_arps[seq.arp_chord][seq.arp_lenght - seq.arp_step + seq.seq_element_shift] ;
}
else if (seq.arp_style == 2) { //arp up & down
if (seq.arp_step <= seq.arp_lenght) {
handleNoteOn(configuration.dexed[seq.seq_chord_dexed_inst].midi_channel, seq.arp_note + seq.seq_arps[seq.arp_chord][seq.arp_step ], seq.seq_chord_velocity);
seq.arp_note_prev = seq.arp_note + seq.seq_arps[seq.arp_chord][seq.arp_step ] ;
}
else {
handleNoteOn(configuration.dexed[seq.seq_chord_dexed_inst].midi_channel, seq.arp_note + seq.seq_arps[seq.arp_chord][seq.arp_lenght * 2 - seq.arp_step ], seq.seq_chord_velocity);
seq.arp_note_prev = seq.arp_note + seq.seq_arps[seq.arp_chord][seq.arp_lenght * 2 - seq.arp_step ] ;
}
}
else if (seq.arp_style == 3) { //arp random
uint8_t rnd1 = random(seq.arp_lenght);
handleNoteOn(configuration.dexed[seq.seq_chord_dexed_inst].midi_channel, seq.arp_note + seq.seq_arps[seq.arp_chord][rnd1 + seq.seq_element_shift] + (seq.seq_oct_shift * 12), seq.seq_chord_velocity);
seq.arp_note_prev = seq.arp_note + seq.seq_arps[seq.arp_chord][rnd1 + seq.seq_element_shift] + (seq.seq_oct_shift * 12);
}
}
}
}
}
}
seq.seq_noteoffsent[d] = false;
}
seq.arp_counter++;
seq.seq_step++;
if (seq.arp_speed == 0) // Arp Speed 1/16
{
seq.arp_step++;
}
else
{
// Arp Speed 1/8
if (seq.arp_counter > 1) {
seq.arp_counter = 0;
seq.arp_step++;
}
}
if (seq.arp_style != 2) {
if ( (seq.arp_step > 1 && seq.seq_arps[seq.arp_chord][seq.arp_step] == 0) || seq.arp_step == seq.arp_lenght)
{
seq.arp_step = 0;
}
}
if (seq.arp_style == 1 || seq.arp_style == 2 )
{
if (seq.arp_lenght == 0)seq.arp_lenght = 9;
}
if ( seq.arp_style == 2 ) //only for up&down
{
if ( (seq.arp_step > 1 && seq.seq_arps[seq.arp_chord][seq.arp_step] == 0) || seq.arp_step == seq.arp_lenght * 2)
{
seq.arp_step = 0;
}
}
if (seq.seq_step > 15)
{
seq.seq_step = 0;
if (seq.seq_chain_lenght > 0) {
seq.seq_chain_active_step++;
if (seq.seq_chain_active_step > seq.seq_chain_lenght)
{
seq.seq_chain_active_step = 0;
}
}
}
}
void sequencer_part2(void)
{
seq_live_recording();
for (uint8_t d = 0; d < NUM_SEQ_TRACKS; d++)
{
if (seq.seq_noteoffsent[d] == false) {
if ( seq.seq_prev_note[d] > 0 && seq.seq_track_type[d] > 0)
{
if (seq.seq_data[ seq.seq_patternchain[seq.seq_chain_active_step][d] ][seq.seq_step] != 130)
{
handleNoteOff(configuration.dexed[seq.seq_inst_dexed[d]].midi_channel, seq.seq_prev_note[d] , 0);
seq.seq_noteoffsent[d] = true;
}
if (seq.seq_track_type[d] == 2) { //Chords
if ( seq.seq_prev_vel[d] > 199) {
for (uint8_t x = seq.seq_element_shift; x < seq.seq_element_shift + seq.seq_chord_key_ammount; x++) //play chord notes
{
handleNoteOff(configuration.dexed[seq.seq_chord_dexed_inst].midi_channel, seq.seq_prev_note[d] + seq.seq_arps[seq.seq_prev_vel[d] - 200][x], 0);
seq.seq_noteoffsent[d] = true;
}
}
}
else if (seq.seq_track_type[d] == 3)
{ //Arp
handleNoteOff(configuration.dexed[seq.seq_chord_dexed_inst].midi_channel, seq.arp_note_prev, 0);
seq.seq_noteoffsent[d] = true;
}
}
}
}
}
void sequencer(void)
{ // Runs in Interrupt Timer. Switches between the Noteon and Noteoff Task, each cycle
interrupt_swapper = !interrupt_swapper;
if (interrupt_swapper) sequencer_part1();
else sequencer_part2();
}