Ryo Od / Mbed 2 deprecated BaseMachine

BaseMachine Sequencer

Dependencies:   Amp AverageAnalogIn BaseMachineUIController Envelope ExioBufferdController FilterController MCP23S17 PinDetect RotaryEncoder Sequence SequencerDisplay mbed-rtos mbed st7567LCD AT24C1024 OscController

main.cpp@5:e909232c913e, 2016-11-17 (annotated)

Committer:
ryood
Date:
Thu Nov 17 07:22:56 2016 +0000
Revision:
5:e909232c913e
Parent:
2:6056b9559541
Child:
6:fd15586f72ff
Remove glitches while rests

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ryood 0:1afb83a21a25 1 /*
ryood 0:1afb83a21a25 2 * main.cpp
ryood 0:1afb83a21a25 3 * BaseMachine Sequencer
ryood 0:1afb83a21a25 4 *
ryood 0:1afb83a21a25 5 * mbed Rev 121 / mbed-rtos Rev 117
ryood 0:1afb83a21a25 6 *
ryood 0:1afb83a21a25 7 * 2016.11.07 UIを統合
ryood 0:1afb83a21a25 8 *
ryood 0:1afb83a21a25 9 */
ryood 0:1afb83a21a25 10
ryood 0:1afb83a21a25 11 #include "mbed.h"
ryood 0:1afb83a21a25 12 #include "rtos.h"
ryood 0:1afb83a21a25 13
ryood 0:1afb83a21a25 14 #define UART_TRACE (0)
ryood 0:1afb83a21a25 15 #include "BaseMachineCommon.h"
ryood 0:1afb83a21a25 16 #include "BaseMachineUIController.h"
ryood 0:1afb83a21a25 17 #include "SpiSequenceSender.h"
ryood 0:1afb83a21a25 18 #include "EnvelopeGenerator.h"
ryood 0:1afb83a21a25 19 #include "SpiAmpController.h"
ryood 0:1afb83a21a25 20 #include "SpiFilterController.h"
ryood 0:1afb83a21a25 21
ryood 0:1afb83a21a25 22 #define SPI1_RATE (1000000)
ryood 0:1afb83a21a25 23
ryood 0:1afb83a21a25 24 const int samplingPeriod = 1; // ms
ryood 0:1afb83a21a25 25 const int bpm = 120;
ryood 0:1afb83a21a25 26 const int envelopeLength = (60 * 1000 / (bpm * 4)) / samplingPeriod;
ryood 0:1afb83a21a25 27 const int waveShape = SpiSequenceSender::WAVESHAPE_SQUARE;
ryood 0:1afb83a21a25 28
ryood 0:1afb83a21a25 29 // Devices
ryood 0:1afb83a21a25 30 //
ryood 0:1afb83a21a25 31 BaseMachineUIController UIController;
ryood 0:1afb83a21a25 32
ryood 0:1afb83a21a25 33 //SPI1 (PinName mosi, PinName miso, PinName sclk, PinName ssel=NC)
ryood 0:1afb83a21a25 34 SPI SpiMaster(PA_7, PA_6, PA_5);
ryood 0:1afb83a21a25 35
ryood 0:1afb83a21a25 36 Sequence sequences[SEQUENCE_N];
ryood 0:1afb83a21a25 37 SpiSequenceSender SequenceSender(&SpiMaster, D9, sequences, SEQUENCE_N, samplingPeriod, bpm);
ryood 0:1afb83a21a25 38
ryood 0:1afb83a21a25 39 Envelope envelope(4095, envelopeLength, envelopeLength*3/4, envelopeLength/2, 2047);
ryood 0:1afb83a21a25 40 EnvelopeGenerator EnvelopeGenerator;
ryood 0:1afb83a21a25 41 SpiAmpController AmpController(&SpiMaster, D8, D7);
ryood 0:1afb83a21a25 42
ryood 0:1afb83a21a25 43 SpiFilterController FilterController(&SpiMaster, D10);
ryood 0:1afb83a21a25 44
ryood 0:1afb83a21a25 45 // Grobal Variables
ryood 0:1afb83a21a25 46 //
ryood 0:1afb83a21a25 47 int playingStep = 0;
ryood 0:1afb83a21a25 48 int editingStep = 0;
ryood 0:1afb83a21a25 49 bool isRunning = false;
ryood 0:1afb83a21a25 50
ryood 0:1afb83a21a25 51 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 52 // Callback functions
ryood 0:1afb83a21a25 53 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 54 void updateTicks(int ticks)
ryood 0:1afb83a21a25 55 {
ryood 5:e909232c913e 56 if (sequences[playingStep].isNoteOn())
ryood 5:e909232c913e 57 {
ryood 5:e909232c913e 58 uint16_t level = EnvelopeGenerator.update();
ryood 5:e909232c913e 59 if (!sequences[SequenceSender.getStep()].isAccent())
ryood 5:e909232c913e 60 {
ryood 5:e909232c913e 61 level = level * 1 / 2;
ryood 5:e909232c913e 62 }
ryood 5:e909232c913e 63 AmpController.outDca(level);
ryood 5:e909232c913e 64 //printf("%d %d %d\r\n", playingStep, ticks, level);
ryood 5:e909232c913e 65 }
ryood 5:e909232c913e 66 else
ryood 5:e909232c913e 67 {
ryood 5:e909232c913e 68 AmpController.outDca(0);
ryood 5:e909232c913e 69 }
ryood 5:e909232c913e 70
ryood 5:e909232c913e 71 FilterController.outDcf();
ryood 5:e909232c913e 72
ryood 0:1afb83a21a25 73 if (ticks == 0)
ryood 0:1afb83a21a25 74 {
ryood 0:1afb83a21a25 75 EnvelopeGenerator.init(envelope);
ryood 0:1afb83a21a25 76 playingStep = SequenceSender.getStep();
ryood 0:1afb83a21a25 77 UIController.setPlayingStep(playingStep);
ryood 0:1afb83a21a25 78 }
ryood 0:1afb83a21a25 79 }
ryood 0:1afb83a21a25 80
ryood 0:1afb83a21a25 81 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 82 // Functions
ryood 0:1afb83a21a25 83 //------------------------------------------------------------------------
ryood 1:87f7d2e0a123 84 void setParams()
ryood 1:87f7d2e0a123 85 {
ryood 1:87f7d2e0a123 86 UIController.getSequences(&sequences);
ryood 0:1afb83a21a25 87
ryood 1:87f7d2e0a123 88 SequenceSender.setBpm(UIController.getBpm());
ryood 0:1afb83a21a25 89
ryood 1:87f7d2e0a123 90 // ToDo: Impl. accentLevel
ryood 1:87f7d2e0a123 91
ryood 1:87f7d2e0a123 92 OscillatorParam osc;
ryood 1:87f7d2e0a123 93 UIController.getOscillatorParam(&osc);
ryood 1:87f7d2e0a123 94 SequenceSender.setWaveShape(osc.waveShape);
ryood 2:6056b9559541 95 SequenceSender.setPulseWidth(osc.pulseWidth << 1);
ryood 1:87f7d2e0a123 96
ryood 1:87f7d2e0a123 97 FilterParam flt;
ryood 1:87f7d2e0a123 98 UIController.getFilterParam(&flt);
ryood 1:87f7d2e0a123 99 FilterController.setCutoff(flt.cutoff << 1);
ryood 1:87f7d2e0a123 100 FilterController.setResonance(flt.resonance << 1);
ryood 1:87f7d2e0a123 101
ryood 1:87f7d2e0a123 102 EnvelopeParam env;
ryood 1:87f7d2e0a123 103 UIController.getEnvelopeParam(&env);
ryood 1:87f7d2e0a123 104 envelope.setLevel(env.level << 5);
ryood 1:87f7d2e0a123 105 //ToDo: Impl. envelope length
ryood 1:87f7d2e0a123 106 envelope.setLength(envelopeLength);
ryood 1:87f7d2e0a123 107 envelope.setDuration((float)env.duration / 128.0f * envelopeLength);
ryood 1:87f7d2e0a123 108 envelope.setDecay((float)env.decay / 128.0f * envelopeLength);
ryood 1:87f7d2e0a123 109 envelope.setSustain(env.sustain << 5);
ryood 1:87f7d2e0a123 110
ryood 1:87f7d2e0a123 111 bool _isRunning = UIController.getIsRunning();
ryood 5:e909232c913e 112 if (_isRunning != isRunning)
ryood 5:e909232c913e 113 {
ryood 1:87f7d2e0a123 114 isRunning = _isRunning;
ryood 5:e909232c913e 115 if (isRunning)
ryood 5:e909232c913e 116 {
ryood 1:87f7d2e0a123 117 SequenceSender.run(playingStep);
ryood 5:e909232c913e 118 }
ryood 5:e909232c913e 119 else
ryood 5:e909232c913e 120 {
ryood 1:87f7d2e0a123 121 AmpController.outDca(0);
ryood 1:87f7d2e0a123 122 SequenceSender.stop();
ryood 1:87f7d2e0a123 123 }
ryood 1:87f7d2e0a123 124 }
ryood 1:87f7d2e0a123 125 }
ryood 0:1afb83a21a25 126
ryood 0:1afb83a21a25 127 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 128 // Main routine
ryood 0:1afb83a21a25 129 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 130 int main()
ryood 0:1afb83a21a25 131 {
ryood 0:1afb83a21a25 132 #if (UART_TRACE)
ryood 0:1afb83a21a25 133 printf("*** BaseMachine Sequencer ***\r\n");
ryood 0:1afb83a21a25 134 #endif
ryood 0:1afb83a21a25 135
ryood 0:1afb83a21a25 136 //--------------------------------------------------------------------
ryood 0:1afb83a21a25 137 // Setup Devices
ryood 0:1afb83a21a25 138 //
ryood 0:1afb83a21a25 139 SpiMaster.format(8, 0);
ryood 0:1afb83a21a25 140 SpiMaster.frequency(SPI1_RATE);
ryood 0:1afb83a21a25 141
ryood 0:1afb83a21a25 142 // Mute output
ryood 0:1afb83a21a25 143 AmpController.outDca(0);
ryood 0:1afb83a21a25 144
ryood 0:1afb83a21a25 145 UIController.init();
ryood 0:1afb83a21a25 146
ryood 0:1afb83a21a25 147 //--------------------------------------------------------------------
ryood 0:1afb83a21a25 148 // Initialize objects
ryood 0:1afb83a21a25 149 //
ryood 0:1afb83a21a25 150 Sequence::setBaseNoteNumber(baseNoteNumber);
ryood 0:1afb83a21a25 151
ryood 0:1afb83a21a25 152 for (int i = 0; i < SEQUENCE_N; i++)
ryood 0:1afb83a21a25 153 {
ryood 0:1afb83a21a25 154 Sequence& seq = SequenceSender.getSequences()[i];
ryood 0:1afb83a21a25 155 seq.setPitch(pitch[i]);
ryood 0:1afb83a21a25 156 seq.setNoteOn(noteOn[i]);
ryood 0:1afb83a21a25 157 seq.setTie(tie[i]);
ryood 0:1afb83a21a25 158 seq.setAccent(accent[i]);
ryood 0:1afb83a21a25 159 }
ryood 0:1afb83a21a25 160
ryood 0:1afb83a21a25 161 EnvelopeGenerator.init(envelope);
ryood 0:1afb83a21a25 162
ryood 0:1afb83a21a25 163 SequenceSender.attachUpdate(&updateTicks);
ryood 0:1afb83a21a25 164 SequenceSender.setWaveShape(waveShape);
ryood 0:1afb83a21a25 165
ryood 0:1afb83a21a25 166 //--------------------------------------------------------------------
ryood 0:1afb83a21a25 167 // Main loop
ryood 0:1afb83a21a25 168 //
ryood 0:1afb83a21a25 169 for (;;)
ryood 0:1afb83a21a25 170 {
ryood 0:1afb83a21a25 171 UIController.update();
ryood 1:87f7d2e0a123 172 setParams();
ryood 2:6056b9559541 173
ryood 2:6056b9559541 174 Thread::wait(10);
ryood 0:1afb83a21a25 175 }
ryood 0:1afb83a21a25 176 }