IOGS_France
Library for DMX and MIDI protocol
Dependents: Arts_DMX512_carteV3_MIDI Arts_DMX512_carteV3_MIDI_nRF
Diff: DMX_MIDI.cpp
- Revision:
- 0:9cf6898e6b66
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/DMX_MIDI.cpp Sun Dec 12 12:41:49 2021 +0000
@@ -0,0 +1,218 @@
+/****************************************************************************/
+/* DMX_MIDI module library */
+/****************************************************************************/
+/* LEnsE / Julien VILLEMEJANE / Institut d'Optique Graduate School */
+/****************************************************************************/
+/* Library - DMX_MIDI.cpp file */
+/****************************************************************************/
+/* Tested on Nucleo-L476RG / 11th nov 2021 */
+/****************************************************************************/
+
+#include "DMX_MIDI.h"
+
+/* Entrées - Sorties */
+// DMX
+Serial dmx(PA_0, PA_1);
+DigitalOut out_tx(D5);
+DigitalOut start(D4); //envoie des données
+DigitalOut enableDMX(D6);
+// MIDI
+Serial midi(D8, D2);
+// Analogiques
+AnalogIn CV_volume(PC_1);
+AnalogIn CV_pitch(PB_0);
+AnalogIn variationR(PC_0);
+AnalogIn variationG(PC_2);
+AnalogIn variationB(PC_3);
+
+/* Variables globales */
+char dmx_data[SAMPLES] = {0};
+int rgb;
+// Midi
+char cpt_midi;
+char new_data_midi, new_note_midi;
+char midi_data[3], note_data, velocity_data;
+char control_ch, control_value;
+
+
+/* Variation de lumière douce - Projet Arts et Sciences */
+const uint8_t vague[360]={
+ 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 4, 5, 6, 7, 8, 9,
+ 11, 12, 13, 15, 17, 18, 20, 22, 24, 26, 28, 30, 32, 35, 37, 39,
+ 42, 44, 47, 49, 52, 55, 58, 60, 63, 66, 69, 72, 75, 78, 81, 85,
+ 88, 91, 94, 97, 101, 104, 107, 111, 114, 117, 121, 124, 127, 131, 134, 137,
+141, 144, 147, 150, 154, 157, 160, 163, 167, 170, 173, 176, 179, 182, 185, 188,
+191, 194, 197, 200, 202, 205, 208, 210, 213, 215, 217, 220, 222, 224, 226, 229,
+231, 232, 234, 236, 238, 239, 241, 242, 244, 245, 246, 248, 249, 250, 251, 251,
+252, 253, 253, 254, 254, 255, 255, 255, 255, 255, 255, 255, 254, 254, 253, 253,
+252, 251, 251, 250, 249, 248, 246, 245, 244, 242, 241, 239, 238, 236, 234, 232,
+231, 229, 226, 224, 222, 220, 217, 215, 213, 210, 208, 205, 202, 200, 197, 194,
+191, 188, 185, 182, 179, 176, 173, 170, 167, 163, 160, 157, 154, 150, 147, 144,
+141, 137, 134, 131, 127, 124, 121, 117, 114, 111, 107, 104, 101, 97, 94, 91,
+ 88, 85, 81, 78, 75, 72, 69, 66, 63, 60, 58, 55, 52, 49, 47, 44,
+ 42, 39, 37, 35, 32, 30, 28, 26, 24, 22, 20, 18, 17, 15, 13, 12,
+ 11, 9, 8, 7, 6, 5, 4, 3, 2, 2, 1, 1, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0};
+
+/* Fonction d'initialisation de la liaison DMX */
+void initDMX(void){
+ dmx.baud(250000);
+ dmx.format (8, SerialBase::None, 2);
+ enableDMX = 0;
+ // Initialisation canaux DMX
+ for(int k = 0; k < SAMPLES; k++){
+ dmx_data[k] = 0;
+ }
+ updateDMX();
+}
+
+/* Fonction de mise à jour de la sortie DMX */
+void updateDMX(){
+ enableDMX = 1;
+ start = 1; // /start
+ out_tx = 0; // break
+ wait_us(88);
+ out_tx = 1; // mb
+ wait_us(8);
+ out_tx = 0; // break
+ start = 0;
+ dmx.putc(0); // Start
+ for(int i = 0; i < SAMPLES; i++){
+ dmx.putc(dmx_data[i]); // data
+ }
+ wait_us(23000); // time between frame
+}
+
+/* Fonction d'initialisation de la liaison MIDI */
+void initMIDI(void){
+ midi.baud(31250);
+ midi.format(8, SerialBase::None, 1);
+ midi.attach(&ISR_midi_in, Serial::RxIrq);
+}
+/* Fonction d'initialisation de la liaison MIDI - version beta */
+void initMIDI2(void){
+ debug_pc.baud(115200);
+ debug_pc.format(8, SerialBase::None, 1);
+ debug_pc.attach(&ISR_midi_in2, Serial::RxIrq);
+}
+/* Detection d'une note reçue en MIDI */
+bool isNoteMIDIdetected(void){
+ if(new_note_midi == 1)
+ return true;
+ else
+ return false;
+}
+/* Note reçue en MIDI traitée */
+void resetNoteMIDI(void){
+ new_note_midi = 0;
+}
+
+/* Detection d'un controle reçu en MIDI */
+bool isCCMIDIdetected(void){
+ if(new_data_midi == 1)
+ return true;
+ else
+ return false;
+}
+/* Controle reçu en MIDI traité */
+void resetCCMIDI(void){
+ new_data_midi = 0;
+}
+
+/* Renvoie la note reçue sur la liaison MIDI */
+void resendNoteMIDI(void){
+ midi.putc(MIDI_NOTE_ON);
+ midi.putc(note_data);
+ midi.putc(127);
+}
+
+/* Renvoie la note reçue sur la liaison MIDI - version beta */
+void resendNoteMIDI2(void){
+ debug_pc.putc(MIDI_NOTE_ON);
+ debug_pc.putc(note_data);
+ debug_pc.putc(127);
+}
+/* Joue une note sur la liaison MIDI */
+void playNoteMIDI(char note, char velocity){
+ midi.putc(MIDI_NOTE_ON);
+ midi.putc(note);
+ midi.putc(velocity);
+}
+/* Joue une note sur la liaison MIDI - version beta */
+void playNoteMIDI2(char note, char velocity){
+ debug_pc.printf("%x %x \r\n", note, velocity);
+}
+
+/* Stoppe une note sur la liaison MIDI */
+void stopNoteMIDI(char note, char velocity){
+ midi.putc(MIDI_NOTE_OFF);
+ midi.putc(note);
+ midi.putc(velocity);
+}
+
+/* Fonction d'appel à une variation de lumière en fonction d'un angle
+ @out : R G B au format 24 bits
+*/
+int sineLED(int angle)
+{
+ return (vague[(angle+120)%360] << 16) + (vague[angle] << 8) + vague[(angle+240)%360];
+}
+
+
+/* Fonction d'interruption sur MIDI */
+void ISR_midi_in(void){
+ debug_out = !debug_out;
+ char data = midi.getc();
+ if(data >= 128)
+ cpt_midi = 0;
+ else
+ cpt_midi++;
+ midi_data[cpt_midi] = data;
+ if(cpt_midi == 2){
+ cpt_midi = 0;
+ if((midi_data[0] == MIDI_NOTE_ON) || (midi_data[0] == MIDI_NOTE_OFF)){
+ new_note_midi = 1;
+ note_data = midi_data[1];
+ velocity_data = midi_data[2];
+ }
+ else{
+ if(midi_data[0] == MIDI_CC){
+ new_data_midi = 1;
+ control_ch = midi_data[1];
+ control_value = midi_data[2];
+ }
+ }
+ }
+}
+/* Fonction d'interruption sur MIDI - version beta */
+void ISR_midi_in2(void){
+ debug_out = !debug_out;
+ char data = debug_pc.getc();
+ if(data >= 128)
+ cpt_midi = 0;
+ else
+ cpt_midi++;
+ midi_data[cpt_midi] = data;
+ if(cpt_midi == 2){
+ cpt_midi = 0;
+ if((midi_data[0] == MIDI_NOTE_ON)){ // || (midi_data[0] == MIDI_NOTE_OFF)){
+ new_note_midi = 1;
+ note_data = midi_data[1];
+ velocity_data = midi_data[2];
+ }
+ else{
+ if(midi_data[0] == MIDI_CC){
+ new_data_midi = 1;
+ control_ch = midi_data[1];
+ control_value = midi_data[2];
+ }
+ }
+ }
+}
\ No newline at end of file