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added midi channel filtering 

utilized mozzi native mtof instead of array
This commit is contained in:
Oleksiy 2020-12-28 01:09:38 +02:00
parent 3e6c947c02
commit c7aa596b7f
2 changed files with 9 additions and 5 deletions
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9
FM/FM.ino
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@ -1,4 +1,5 @@
#include <MozziGuts.h> #include <MozziGuts.h>
#include <mozzi_midi.h>
#include <Oscil.h> // oscillator #include <Oscil.h> // oscillator
#include <tables/cos2048_int8.h> // table for Oscils to play #include <tables/cos2048_int8.h> // table for Oscils to play
#include <Smooth.h> #include <Smooth.h>
@ -9,6 +10,7 @@
MIDI_CREATE_DEFAULT_INSTANCE(); MIDI_CREATE_DEFAULT_INSTANCE();
#define CONTROL_RATE 64 #define CONTROL_RATE 64
#define MIDI_CHANNEL 3
bool gate = 0; bool gate = 0;
@ -53,17 +55,20 @@ long fm_intensity; // carries control info from updateControl to updateAudio
float smoothness = 0.95f; float smoothness = 0.95f;
Smooth <long> aSmoothIntensity(smoothness); Smooth <long> aSmoothIntensity(smoothness);
const float notefreqs[128] = {8.176, 8.662, 9.177, 9.723, 10.301, 10.913, 11.562, 12.25, 12.978, 13.75, 14.568, 15.434, 16.352, 17.324, 18.354, 19.445, 20.602, 21.827, 23.125, 24.5, 25.957, 27.5, 29.135, 30.868, 32.703, 34.648, 36.708, 38.891, 41.203, 43.654, 46.249, 48.999, 51.913, 55, 58.27, 61.735, 65.406, 69.296, 73.416, 77.782, 82.407, 87.307, 92.499, 97.999, 103.826, 110, 116.541, 123.471, 130.813, 138.591, 146.832, 155.563, 164.814, 174.614, 184.997, 195.998, 207.652, 220, 233.082, 246.942, 261.626, 277.183, 293.665, 311.127, 329.628, 349.228, 369.994, 391.995, 415.305, 440, 466.164, 493.883, 523.251, 554.365, 587.33, 622.254, 659.255, 698.456, 739.989, 783.991, 830.609, 880, 932.328, 987.767, 1046.502, 1108.731, 1174.659, 1244.508, 1318.51, 1396.913, 1479.978, 1567.982, 1661.219, 1760, 1864.655, 1975.533, 2093.005, 2217.461, 2349.318, 2489.016, 2637.02, 2793.826, 2959.955, 3135.963, 3322.438, 3520, 3729.31, 3951.066, 4186.009, 4434.922, 4698.636, 4978.032, 5274.041, 5587.652, 5919.911, 6271.927, 6644.875, 7040, 7458.62, 7902.133, 8372.018, 8869.844, 9397.273, 9956.063, 10548.08, 11175.3, 11839.82, 12543.85};
int carrier_freq = 440; int carrier_freq = 440;
void noteOn(byte channel, byte note, byte velocity) { void noteOn(byte channel, byte note, byte velocity) {
carrier_freq = notefreqs[(int) note]; if (channel == MIDI_CHANNEL + 143) { //I have no ide why it's 143 here and 127 on noteoff
carrier_freq = mtof((int) note);
gate = 1; gate = 1;
} }
}
void noteOff(byte channel, byte note, byte velocity) { void noteOff(byte channel, byte note, byte velocity) {
if (channel == MIDI_CHANNEL + 127) {
gate = 0; gate = 0;
} }
}
void setup(){ void setup(){
pinMode(LED_BUILTIN_TX,INPUT); //switch rx and tx leds of, so they don't blink on midi pinMode(LED_BUILTIN_TX,INPUT); //switch rx and tx leds of, so they don't blink on midi

1
README.md
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@ -3,7 +3,6 @@
DIY Arduino-based synth built with [Mozzi library](https://sensorium.github.io/Mozzi/) DIY Arduino-based synth built with [Mozzi library](https://sensorium.github.io/Mozzi/)
## ToDo: ## ToDo:
- Add MIDI channel filtering
- Add note buffer - Add note buffer
- Tidy up the code (e.g. remove LDR references) - Tidy up the code (e.g. remove LDR references)
- Tune the values and remap the knobs - Tune the values and remap the knobs