Sketch für MIDI-Anbindung Arduino Nano 33 BLE

sketches/ctrlMidi/SoaapMidi.ino

+#include  "Arduino.h"
+
+#include  "LoopCheck.h"
+#include  "StateMachine.h"
+#include  "Monitor.h"
+
+#include  "ComRingBuf.h"
+#include  "nRF52840Ser.h"
+#include  "Midi.h"
+
+#include  "nRF52840Twi.h"
+#include  "SensorLSM9DS1.h"
+
+#include  "RowMath.h"
+
+
+LoopCheck     lc;
+#define SmCycle       5
+void smInit();
+StateMachine  sm(smInit, NULL, SmCycle);
+Monitor       mon(modeEcho | modeNl,0,&lc);
+SerParams     ttyParams;
+nRF52840Ser   tty;
+
+ComRingBuf    crb;
+#define       sndBufSize  256
+byte          sndBuffer[sndBufSize];
+
+#define MidiCycle     1000
+Midi  midi;
+
+nRF52840Twi twi;
+#define SensorCycle   500
+SensorLSM9DS1 sens((IntrfTw *) &twi, SensorCycle);
+
+#define RmBufSize     128
+RowMath       rmAz;
+short         rmBuffer[RmBufSize];
+FilterResult  fi10, fi100;
+
+
+void setup()
+{
+  TwiParams   twiPar;       // Parameter für den I2C-Bus
+
+  ttyParams.inst    = 0;    // Instanzindex der Schnittstelle
+  ttyParams.rxdPort = 1;    // Nummer des IO-Port mit RxD-Pin
+  ttyParams.rxdPin  = 10;   // Nummer des RxD-Pin am Port
+  ttyParams.txdPort = 1;    // Nummer des IO-Port mit TxD-Pin
+  ttyParams.txdPin  = 3;    // Nummer des TxD-Pin am Port
+  ttyParams.speed   = Baud31250;  // Enumerator für Bitrate
+  ttyParams.type    = stCur;      // Stromschleife
+
+  tty.begin(&ttyParams, (IntrfBuf *) &crb);
+  tty.startSend();
+
+  crb.setWriteBuffer(sndBufSize, sndBuffer);
+  crb.begin((IntrfSerial *) &tty);
+
+  midi.begin(120, nd32, MidiCycle, &crb);
+
+  twiPar.inst     = 0;          // 1. Instanz der I2C
+  twiPar.type     = TwiMaster;  // Auswahl Master/slave
+  twiPar.clkPort  = 0;          // Takt über Port 0 (P0)
+  twiPar.clkPin   = 15;         // Takt an Pin 15 (P0.15)
+  twiPar.dataPort = 0;          // Daten über Port 0 (P0)
+  twiPar.dataPin  = 14;         // Daten an Pin 14 (P0.14)
+  twiPar.speed    = Twi100k;    // Taktfrequenz
+
+  twi.begin(&twiPar); // Initialisierung des I2C-Bus
+
+  sens.begin(FreqAG119, 12, MaxAcc4g, MaxGyro2000dps, FreqM_OFF, 0, MaxMag4G);
+  sens.syncValuesAG();
+
+  rmAz.begin(RmBufSize, rmBuffer);
+}
+
+byte  TestMsg[32] = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};
+
+byte  OnCh0C3p[3] = { 0x90, 60, 100 };
+byte  OfCh0C3p[3] = { 0x80, 60, 0 };
+int loopCycle = 0;
+
+void loop()
+{
+  lc.begin();
+  // --------------------------------------------------------------------------
+  mon.run();
+
+  if(lc.timerMicro(lcTimer0, SensorCycle, 0))
+    sens.run();
+
+  if(lc.timerMicro(lcTimer1, MidiCycle, 0, 1000))
+  {
+    midi.run();
+  }
+
+  if(lc.timerMilli(lcTimer2, SmCycle, 0))
+  {
+    sm.run();
+  }
+
+  // --------------------------------------------------------------------------
+  lc.end();
+}
+
+// ----------------------------------------------------------------------------
+//                Z u s t a n d s m a s c h i n e
+// ----------------------------------------------------------------------------
+//
+int   lastNoteIdx = 0;
+
+void smInit()
+{
+  midi.setNoteType(Midi::nti8);
+  lastNoteIdx = midi.addChordNote(Midi::nti8, 60, 100);
+  midi.setOpMode(momSequence);
+  rmAz.setEdge(0, 10);
+  rmAz.setEdge(1, 100);
+  sm.enter(smIdle);
+}
+
+
+void smIdle()
+{
+  sm.enter(smGetValues);
+}
+
+
+RawDataAG   rawData;
+
+void smGetValues()
+{
+  if(sm.firstEnter())
+  {
+    mon.lastKeyIn = ':';
+    sens.syncValuesAG();
+  }
+
+  if(mon.lastKeyIn == 'c' || mon.lastKeyIn == 'C')
+  {
+    rmAz.resetInts(0);
+    rmAz.resetInts(1);
+  }
+
+  if(!sens.getValuesAG(&rawData)) return;
+
+  rmAz.enterValue(rawData.valueAG.G.x);
+  rmAz.filter(0, &fi10);
+  rmAz.filter(1, &fi100);
+
+  // Test
+  if(mon.cFlag[1])
+  {
+    mon.print(rawData.valueAG.G.x);
+    mon.putBuf(' ');
+    mon.print(fi10.avg);
+    mon.putBuf('|');
+    mon.print(fi100.avg);
+    mon.putBuf(' ');
+    mon.putBuf(' ');
+    mon.print(fi10.hp);
+    mon.putBuf('|');
+    mon.print(fi100.hp);
+    mon.putBuf(' ');
+    mon.print(fi10.intI);
+    mon.putBuf('|');
+    mon.print(fi100.intI);
+    mon.putBuf(' ');
+    mon.print(fi10.intII);
+    mon.putBuf('|');
+    mon.println(fi100.intII);
+  }
+
+  sm.enter(smCheckValues);
+}
+
+
+RawDataAG   oldRawData;
+
+void smCheckValues()
+{
+  bool  newData = false;
+
+  newData |= (rawData.valueAG.A.z != oldRawData.valueAG.A.z);
+  newData |= (rawData.valueAG.A.x != oldRawData.valueAG.A.x);
+
+  oldRawData = rawData;
+  if(!newData)
+    sm.enter(smGetValues);
+  else
+    sm.enter(smCalcResult);
+}
+
+
+short borderLowAz = 100;
+short borderHighAz = 8300;
+short borderLowAy = 100;
+short borderHighAy = 8300;
+short borderLowAx = 100;
+short borderHighAx = 2000;
+
+byte  lowNote = 23;
+byte  highNote = 72;
+
+byte  resultAz;
+byte  resultAy;
+byte  resultAx;
+
+void smCalcResult()
+{
+  if((rawData.valueAG.A.z < borderLowAz) && (rawData.valueAG.A.x < borderLowAx))
+  {
+    sm.enter(smGetValues);
+    return;
+  }
+
+  int result = lowNote + (highNote * rawData.valueAG.A.z) / borderHighAz;
+  if(result > highNote)
+    resultAz = highNote;
+  else if (result < lowNote)
+    resultAz = lowNote;
+  else
+    resultAz = result;
+
+  result = (Midi::ntiNr * rawData.valueAG.A.x) / borderHighAz;
+  if(result < Midi::nti2) result = Midi::nti2;
+  if(result > Midi::nti64) result = Midi::nti64;
+  resultAx = result;
+
+  sm.enter(smSetResult);
+}
+
+
+void smSetResult()
+{
+  //mon.print("  ");
+  //mon.print(resultAz);
+  //mon.print("  ");
+  //mon.println(resultAx);
+  midi.setChordNote(lastNoteIdx, resultAx, resultAz, 60);
+  sm.enter(smGetValues);
+}
+
+byte  testValue = 0;
+
+void smTestValues()
+{
+  midi.setChordNote(lastNoteIdx, Midi::nti4, testValue, 60);
+  testValue++;
+  if(testValue > 127)
+    testValue = 0;
+  sm.setDelay(100);
+}
+
+