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@14:16d53ac0a61a, 2016-11-27 (annotated)

Committer:
ryood
Date:
Sun Nov 27 21:23:00 2016 +0000
Revision:
14:16d53ac0a61a
Parent:
11:eb9e72bf529c
Child:
17:bc1f0fea5bc9
implove the Accent Level.

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 10:0b7f4eb37197 13 #include "AT24C1024.h"
ryood 0:1afb83a21a25 14
ryood 0:1afb83a21a25 15 #define UART_TRACE (0)
ryood 0:1afb83a21a25 16 #include "BaseMachineCommon.h"
ryood 0:1afb83a21a25 17 #include "BaseMachineUIController.h"
ryood 0:1afb83a21a25 18 #include "SpiSequenceSender.h"
ryood 0:1afb83a21a25 19 #include "EnvelopeGenerator.h"
ryood 0:1afb83a21a25 20 #include "SpiAmpController.h"
ryood 0:1afb83a21a25 21 #include "SpiFilterController.h"
ryood 0:1afb83a21a25 22
ryood 0:1afb83a21a25 23 #define SPI1_RATE (1000000)
ryood 10:0b7f4eb37197 24 #define I2C1_RATE (100000)
ryood 0:1afb83a21a25 25
ryood 0:1afb83a21a25 26 const int samplingPeriod = 1; // ms
ryood 0:1afb83a21a25 27 const int bpm = 120;
ryood 0:1afb83a21a25 28 const int envelopeLength = (60 * 1000 / (bpm * 4)) / samplingPeriod;
ryood 0:1afb83a21a25 29 const int waveShape = SpiSequenceSender::WAVESHAPE_SQUARE;
ryood 0:1afb83a21a25 30
ryood 0:1afb83a21a25 31 // Devices
ryood 0:1afb83a21a25 32 //
ryood 0:1afb83a21a25 33 BaseMachineUIController UIController;
ryood 0:1afb83a21a25 34
ryood 0:1afb83a21a25 35 //SPI1 (PinName mosi, PinName miso, PinName sclk, PinName ssel=NC)
ryood 0:1afb83a21a25 36 SPI SpiMaster(PA_7, PA_6, PA_5);
ryood 0:1afb83a21a25 37
ryood 0:1afb83a21a25 38 Sequence sequences[SEQUENCE_N];
ryood 0:1afb83a21a25 39 SpiSequenceSender SequenceSender(&SpiMaster, D9, sequences, SEQUENCE_N, samplingPeriod, bpm);
ryood 0:1afb83a21a25 40
ryood 0:1afb83a21a25 41 Envelope envelope(4095, envelopeLength, envelopeLength*3/4, envelopeLength/2, 2047);
ryood 0:1afb83a21a25 42 EnvelopeGenerator EnvelopeGenerator;
ryood 0:1afb83a21a25 43 SpiAmpController AmpController(&SpiMaster, D8, D7);
ryood 0:1afb83a21a25 44
ryood 0:1afb83a21a25 45 SpiFilterController FilterController(&SpiMaster, D10);
ryood 0:1afb83a21a25 46
ryood 0:1afb83a21a25 47 // Grobal Variables
ryood 0:1afb83a21a25 48 //
ryood 0:1afb83a21a25 49 int playingStep = 0;
ryood 0:1afb83a21a25 50 int editingStep = 0;
ryood 0:1afb83a21a25 51 bool isRunning = false;
ryood 0:1afb83a21a25 52
ryood 0:1afb83a21a25 53 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 54 // Callback functions
ryood 0:1afb83a21a25 55 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 56 void updateTicks(int ticks)
ryood 0:1afb83a21a25 57 {
ryood 6:fd15586f72ff 58 if (sequences[SequenceSender.getStep()].isNoteOn())
ryood 5:e909232c913e 59 {
ryood 5:e909232c913e 60 uint16_t level = EnvelopeGenerator.update();
ryood 8:4e38bb44c72e 61 level = level >> 1;
ryood 8:4e38bb44c72e 62 if (sequences[SequenceSender.getStep()].isAccent())
ryood 5:e909232c913e 63 {
ryood 14:16d53ac0a61a 64 // Todo: 小数点演算を整数に
ryood 14:16d53ac0a61a 65 level *= 1.0f + ((float)UIController.getAccentLevel()) / 128.0f;
ryood 5:e909232c913e 66 }
ryood 5:e909232c913e 67 AmpController.outDca(level);
ryood 5:e909232c913e 68 //printf("%d %d %d\r\n", playingStep, ticks, level);
ryood 5:e909232c913e 69 }
ryood 5:e909232c913e 70 else
ryood 5:e909232c913e 71 {
ryood 5:e909232c913e 72 AmpController.outDca(0);
ryood 5:e909232c913e 73 }
ryood 5:e909232c913e 74
ryood 5:e909232c913e 75 FilterController.outDcf();
ryood 5:e909232c913e 76
ryood 0:1afb83a21a25 77 if (ticks == 0)
ryood 0:1afb83a21a25 78 {
ryood 0:1afb83a21a25 79 EnvelopeGenerator.init(envelope);
ryood 0:1afb83a21a25 80 playingStep = SequenceSender.getStep();
ryood 0:1afb83a21a25 81 UIController.setPlayingStep(playingStep);
ryood 0:1afb83a21a25 82 }
ryood 0:1afb83a21a25 83 }
ryood 0:1afb83a21a25 84
ryood 0:1afb83a21a25 85 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 86 // Functions
ryood 0:1afb83a21a25 87 //------------------------------------------------------------------------
ryood 1:87f7d2e0a123 88 void setParams()
ryood 1:87f7d2e0a123 89 {
ryood 1:87f7d2e0a123 90 UIController.getSequences(&sequences);
ryood 0:1afb83a21a25 91
ryood 1:87f7d2e0a123 92 SequenceSender.setBpm(UIController.getBpm());
ryood 0:1afb83a21a25 93
ryood 1:87f7d2e0a123 94 // ToDo: Impl. accentLevel
ryood 1:87f7d2e0a123 95
ryood 1:87f7d2e0a123 96 OscillatorParam osc;
ryood 1:87f7d2e0a123 97 UIController.getOscillatorParam(&osc);
ryood 1:87f7d2e0a123 98 SequenceSender.setWaveShape(osc.waveShape);
ryood 2:6056b9559541 99 SequenceSender.setPulseWidth(osc.pulseWidth << 1);
ryood 1:87f7d2e0a123 100
ryood 1:87f7d2e0a123 101 FilterParam flt;
ryood 1:87f7d2e0a123 102 UIController.getFilterParam(&flt);
ryood 1:87f7d2e0a123 103 FilterController.setCutoff(flt.cutoff << 1);
ryood 1:87f7d2e0a123 104 FilterController.setResonance(flt.resonance << 1);
ryood 1:87f7d2e0a123 105
ryood 1:87f7d2e0a123 106 EnvelopeParam env;
ryood 1:87f7d2e0a123 107 UIController.getEnvelopeParam(&env);
ryood 1:87f7d2e0a123 108 envelope.setLevel(env.level << 5);
ryood 1:87f7d2e0a123 109 //ToDo: Impl. envelope length
ryood 1:87f7d2e0a123 110 envelope.setLength(envelopeLength);
ryood 1:87f7d2e0a123 111 envelope.setDuration((float)env.duration / 128.0f * envelopeLength);
ryood 1:87f7d2e0a123 112 envelope.setDecay((float)env.decay / 128.0f * envelopeLength);
ryood 1:87f7d2e0a123 113 envelope.setSustain(env.sustain << 5);
ryood 1:87f7d2e0a123 114
ryood 1:87f7d2e0a123 115 bool _isRunning = UIController.getIsRunning();
ryood 5:e909232c913e 116 if (_isRunning != isRunning)
ryood 5:e909232c913e 117 {
ryood 1:87f7d2e0a123 118 isRunning = _isRunning;
ryood 5:e909232c913e 119 if (isRunning)
ryood 5:e909232c913e 120 {
ryood 1:87f7d2e0a123 121 SequenceSender.run(playingStep);
ryood 5:e909232c913e 122 }
ryood 5:e909232c913e 123 else
ryood 5:e909232c913e 124 {
ryood 1:87f7d2e0a123 125 AmpController.outDca(0);
ryood 1:87f7d2e0a123 126 SequenceSender.stop();
ryood 1:87f7d2e0a123 127 }
ryood 1:87f7d2e0a123 128 }
ryood 1:87f7d2e0a123 129 }
ryood 0:1afb83a21a25 130
ryood 0:1afb83a21a25 131 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 132 // Main routine
ryood 0:1afb83a21a25 133 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 134 int main()
ryood 0:1afb83a21a25 135 {
ryood 0:1afb83a21a25 136 #if (UART_TRACE)
ryood 0:1afb83a21a25 137 printf("*** BaseMachine Sequencer ***\r\n");
ryood 0:1afb83a21a25 138 #endif
ryood 0:1afb83a21a25 139
ryood 0:1afb83a21a25 140 //--------------------------------------------------------------------
ryood 7:a47420a0c4bf 141 // Initialize objects
ryood 7:a47420a0c4bf 142 //
ryood 7:a47420a0c4bf 143 Sequence::setBaseNoteNumber(baseNoteNumber);
ryood 7:a47420a0c4bf 144
ryood 7:a47420a0c4bf 145 //--------------------------------------------------------------------
ryood 0:1afb83a21a25 146 // Setup Devices
ryood 0:1afb83a21a25 147 //
ryood 0:1afb83a21a25 148 SpiMaster.format(8, 0);
ryood 0:1afb83a21a25 149 SpiMaster.frequency(SPI1_RATE);
ryood 0:1afb83a21a25 150
ryood 0:1afb83a21a25 151 // Mute output
ryood 0:1afb83a21a25 152 AmpController.outDca(0);
ryood 0:1afb83a21a25 153
ryood 0:1afb83a21a25 154 UIController.init();
ryood 7:a47420a0c4bf 155 setParams();
ryood 0:1afb83a21a25 156
ryood 0:1afb83a21a25 157 EnvelopeGenerator.init(envelope);
ryood 0:1afb83a21a25 158
ryood 0:1afb83a21a25 159 SequenceSender.attachUpdate(&updateTicks);
ryood 0:1afb83a21a25 160 SequenceSender.setWaveShape(waveShape);
ryood 0:1afb83a21a25 161
ryood 0:1afb83a21a25 162 //--------------------------------------------------------------------
ryood 0:1afb83a21a25 163 // Main loop
ryood 0:1afb83a21a25 164 //
ryood 0:1afb83a21a25 165 for (;;)
ryood 0:1afb83a21a25 166 {
ryood 0:1afb83a21a25 167 UIController.update();
ryood 1:87f7d2e0a123 168 setParams();
ryood 2:6056b9559541 169
ryood 2:6056b9559541 170 Thread::wait(10);
ryood 0:1afb83a21a25 171 }
ryood 0:1afb83a21a25 172 }