wirtz
/
MicroDexed
mirror of https://codeberg.org/dcoredump/MicroDexed.git
1
1
Fork 0
Code Issues Releases Wiki Activity

Added function for setting max acceptable notes.

Browse Source 
Limited to 10 notes at a time to avoid xruns.
pull/4/head
Holger Wirtz 7 years ago
parent bbebaa85d3
commit ba27df8a81
3 changed files with 80 additions and 64 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 65
      MicroDexed.ino
  2. 70
      dexed.cpp
  3. 9
      dexed.h

65
MicroDexed.ino
Unescape View File

@ -14,14 +14,14 @@
#include <MIDI.h> #include <MIDI.h>
#include "dexed.h" #include "dexed.h"
#define AUDIO_MEM 32 #define AUDIO_MEM 2
#define AUDIO_BUFFER_SIZE 128 #define AUDIO_BUFFER_SIZE 128
#define SAMPLEAUDIO_BUFFER_SIZE 44100 #define SAMPLEAUDIO_BUFFER_SIZE 44100
#define INIT_AUDIO_QUEUE 1 #define INIT_AUDIO_QUEUE 1
//#define SHOW_DEXED_TIMING 1 //#define SHOW_DEXED_TIMING 1
#define SHOW_XRUN 1 #define SHOW_XRUN 1
#define SHOW_CPU_LOAD
#define SHOW_CPU_LOAD_MSEC 5000 #define SHOW_CPU_LOAD_MSEC 5000
#define MAX_NOTES 10
#define TEST_MIDI 1 #define TEST_MIDI 1
#define TEST_NOTE 40 #define TEST_NOTE 40
#define TEST_VEL 60 #define TEST_VEL 60
@ -40,7 +40,7 @@ IntervalTimer sched;
void setup() void setup()
{ {
while (!Serial) ; // wait for Arduino Serial Monitor //while (!Serial) ; // wait for Arduino Serial Monitor
Serial.begin(115200); Serial.begin(115200);
Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed")); Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed"));
Serial.println(F("(c)2018 H. Wirtz")); Serial.println(F("(c)2018 H. Wirtz"));
@ -56,7 +56,7 @@ void setup()
sgtl5000_1.volume(0.2); sgtl5000_1.volume(0.2);
// Initialize processor and memory measurements // Initialize processor and memory measurements
#ifdef SHOW_CPU_LOAD #ifdef SHOW_CPU_LOAD_MSEC
AudioProcessorUsageMaxReset(); AudioProcessorUsageMaxReset();
AudioMemoryUsageMaxReset(); AudioMemoryUsageMaxReset();
#endif #endif
@ -75,7 +75,8 @@ void setup()
#endif #endif
dexed->activate(); dexed->activate();
dexed->setMaxNotes(MAX_NOTES);
#ifdef TEST_MIDI #ifdef TEST_MIDI
queue_midi_event(0x90, TEST_NOTE, TEST_VEL); // 1 queue_midi_event(0x90, TEST_NOTE, TEST_VEL); // 1
@ -89,17 +90,18 @@ void setup()
queue_midi_event(0x90, TEST_NOTE + 32, TEST_VEL); // 9 queue_midi_event(0x90, TEST_NOTE + 32, TEST_VEL); // 9
queue_midi_event(0x90, TEST_NOTE + 37, TEST_VEL); // 10 queue_midi_event(0x90, TEST_NOTE + 37, TEST_VEL); // 10
queue_midi_event(0x90, TEST_NOTE + 40, TEST_VEL); // 11 queue_midi_event(0x90, TEST_NOTE + 40, TEST_VEL); // 11
//queue_midi_event(0x90, TEST_NOTE + 44, TEST_VEL); // 12 queue_midi_event(0x90, TEST_NOTE + 44, TEST_VEL); // 12
//queue_midi_event(0x90, TEST_NOTE + 49, TEST_VEL); // 13 queue_midi_event(0x90, TEST_NOTE + 49, TEST_VEL); // 13
//queue_midi_event(0x90, TEST_NOTE + 52, TEST_VEL); // 14 queue_midi_event(0x90, TEST_NOTE + 52, TEST_VEL); // 14
//queue_midi_event(0x90, TEST_NOTE + 57, TEST_VEL); // 15 queue_midi_event(0x90, TEST_NOTE + 57, TEST_VEL); // 15
//queue_midi_event(0x90, TEST_NOTE + 60, TEST_VEL); // 16 queue_midi_event(0x90, TEST_NOTE + 60, TEST_VEL); // 16
#endif #endif
#ifdef SHOW_CPU_LOAD #ifdef SHOW_CPU_LOAD_MSEC
sched.begin(cpu_and_mem_usage, SHOW_CPU_LOAD_MSEC*1000); sched.begin(cpu_and_mem_usage, SHOW_CPU_LOAD_MSEC * 1000);
#endif #endif
Serial.println(F("setup end")); Serial.println(F("setup end"));
cpu_and_mem_usage();
} }
void loop() void loop()
@ -107,32 +109,35 @@ void loop()
int16_t* audio_buffer; // pointer to 128 * int16_t int16_t* audio_buffer; // pointer to 128 * int16_t
bool break_for_calculation; bool break_for_calculation;
audio_buffer = queue1.getBuffer(); while (42 == 42) // DON'T PANIC!
if (audio_buffer == NULL)
{ {
Serial.println(F("audio_buffer allocation problems!")); audio_buffer = queue1.getBuffer();
} if (audio_buffer == NULL)
{
Serial.println(F("audio_buffer allocation problems!"));
}
while (MIDI.read()) while (MIDI.read())
{ {
break_for_calculation = dexed->ProcessMidiMessage(MIDI.getType(), MIDI.getData1(), MIDI.getData2()); break_for_calculation = dexed->ProcessMidiMessage(MIDI.getType(), MIDI.getData1(), MIDI.getData2());
if (break_for_calculation == true) if (break_for_calculation == true)
break; break;
} }
#if defined(SHOW_DEXED_TIMING) || defined(SHOW_XRUN) #if defined(SHOW_DEXED_TIMING) || defined(SHOW_XRUN)
elapsedMicros t1; elapsedMicros t1;
#endif #endif
dexed->GetSamples(AUDIO_BUFFER_SIZE, audio_buffer); dexed->GetSamples(AUDIO_BUFFER_SIZE, audio_buffer);
#ifdef SHOW_XRUN #ifdef SHOW_XRUN
uint32_t t2 = t1; uint32_t t2 = t1;
if (t2 > 2900) if (t2 > 2900)
Serial.println(F("xrun")); Serial.println(F("xrun"));
#endif #endif
#ifdef SHOW_DEXED_TIMING #ifdef SHOW_DEXED_TIMING
Serial.println(t1, DEC); Serial.println(t1, DEC);
#endif #endif
queue1.playBuffer(); queue1.playBuffer();
}
} }
bool queue_midi_event(uint8_t type, uint8_t data1, uint8_t data2) bool queue_midi_event(uint8_t type, uint8_t data1, uint8_t data2)
@ -140,7 +145,7 @@ bool queue_midi_event(uint8_t type, uint8_t data1, uint8_t data2)
return (dexed->ProcessMidiMessage(type, data1, data2)); return (dexed->ProcessMidiMessage(type, data1, data2));
} }
#ifdef SHOW_CPU_LOAD #ifdef SHOW_CPU_LOAD_MSEC
void cpu_and_mem_usage(void) void cpu_and_mem_usage(void)
{ {
Serial.print(F("CPU:")); Serial.print(F("CPU:"));

70
dexed.cpp
Unescape View File

@ -106,7 +106,7 @@ Dexed::~Dexed()
{ {
currentNote = -1; currentNote = -1;
for (uint8_t note = 0; note < MAX_ACTIVE_NOTES; ++note) for (uint8_t note = 0; note < MAX_ACTIVE_NOTES; note++)
delete voices[note].dx7_note; delete voices[note].dx7_note;
delete(engineMsfa); delete(engineMsfa);
@ -195,45 +195,45 @@ void Dexed::GetSamples(uint16_t n_samples, int16_t* buffer)
extra_buf_size_ = i - n_samples; extra_buf_size_ = i - n_samples;
} }
/* if (++_k_rate_counter == 0 && !monoMode) /* if (++_k_rate_counter == 0 && !monoMode)
{
uint8_t op_carrier = controllers.core->get_carrier_operators(data[134]); // look for carriers
for (i = 0; i < max_notes; i++)
{ {
if (voices[i].live == true) uint8_t op_carrier = controllers.core->get_carrier_operators(data[134]); // look for carriers
{
uint8_t op_amp = 0;
uint8_t op_carrier_num = 0;
voices[i].dx7_note->peekVoiceStatus(voiceStatus); for (i = 0; i < max_notes; i++)
{
for (uint8_t op = 0; op < 6; op++) if (voices[i].live == true)
{ {
uint8_t op_bit = static_cast<uint8_t>(pow(2, op)); uint8_t op_amp = 0;
uint8_t op_carrier_num = 0;
if ((op_carrier & op_bit) > 0) voices[i].dx7_note->peekVoiceStatus(voiceStatus);
for (uint8_t op = 0; op < 6; op++)
{ {
// this voice is a carrier! uint8_t op_bit = static_cast<uint8_t>(pow(2, op));
op_carrier_num++;
if ((op_carrier & op_bit) > 0)
{
// this voice is a carrier!
op_carrier_num++;
//TRACE("Voice[%2d] OP [%d] amp=%ld,amp_step=%d,pitch_step=%d",i,op,voiceStatus.amp[op],voiceStatus.ampStep[op],voiceStatus.pitchStep); //TRACE("Voice[%2d] OP [%d] amp=%ld,amp_step=%d,pitch_step=%d",i,op,voiceStatus.amp[op],voiceStatus.ampStep[op],voiceStatus.pitchStep);
if (voiceStatus.amp[op] <= 1069 && voiceStatus.ampStep[op] == 4) // this voice produces no audio output if (voiceStatus.amp[op] <= 1069 && voiceStatus.ampStep[op] == 4) // this voice produces no audio output
op_amp++; op_amp++;
}
}
if (op_amp == op_carrier_num)
{
// all carrier-operators are silent -> disable the voice
voices[i].live = false;
voices[i].sustained = false;
voices[i].keydown = false;
TRACE("Shutted down Voice[%2d]", i);
} }
}
if (op_amp == op_carrier_num)
{
// all carrier-operators are silent -> disable the voice
voices[i].live = false;
voices[i].sustained = false;
voices[i].keydown = false;
TRACE("Shutted down Voice[%2d]", i);
} }
} }
} } */
} */
} }
bool Dexed::ProcessMidiMessage(uint8_t type, uint8_t data1, uint8_t data2) bool Dexed::ProcessMidiMessage(uint8_t type, uint8_t data1, uint8_t data2)
@ -575,6 +575,16 @@ void Dexed::notes_off(void) {
} }
} }
void Dexed::setMaxNotes(uint8_t n) {
if (n <= MAX_ACTIVE_NOTES)
{
notes_off();
max_notes = n;
panic();
controllers.refresh();
}
}
void Dexed::set_params(void) void Dexed::set_params(void)
{ {
/* //TRACE("Hi"); /* //TRACE("Hi");

9
dexed.h
Unescape View File

@ -66,7 +66,9 @@ class Dexed
void set_params(void); void set_params(void);
void GetSamples(uint16_t n_samples, int16_t* buffer); void GetSamples(uint16_t n_samples, int16_t* buffer);
bool ProcessMidiMessage(uint8_t type, uint8_t data1, uint8_t data2); bool ProcessMidiMessage(uint8_t type, uint8_t data1, uint8_t data2);
void panic(void);
void notes_off(void);
void setMaxNotes(uint8_t n);
Controllers controllers; Controllers controllers;
VoiceStatus voiceStatus; VoiceStatus voiceStatus;
@ -74,10 +76,9 @@ class Dexed
//void onParam(uint8_t param_num,float param_val); //void onParam(uint8_t param_num,float param_val);
void keyup(uint8_t pitch); void keyup(uint8_t pitch);
void keydown(uint8_t pitch, uint8_t velo); void keydown(uint8_t pitch, uint8_t velo);
void panic(void);
void notes_off(void);
static const uint8_t MAX_ACTIVE_NOTES = 32;
static const uint8_t MAX_ACTIVE_NOTES = 16;
uint8_t max_notes = MAX_ACTIVE_NOTES; uint8_t max_notes = MAX_ACTIVE_NOTES;
ProcessorVoice voices[MAX_ACTIVE_NOTES]; ProcessorVoice voices[MAX_ACTIVE_NOTES];
uint8_t currentNote; uint8_t currentNote;

Write Preview
Loading…
Cancel
Save