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@17:bc1f0fea5bc9, 2016-12-21 (annotated)

Committer:
ryood
Date:
Wed Dec 21 03:59:51 2016 +0000
Revision:
17:bc1f0fea5bc9
Parent:
14:16d53ac0a61a
Child:
20:bc7bd7faa8d5
Add SPIMaster Reset

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 17:bc1f0fea5bc9 37 DigitalOut SpiMasterReset(PB_10, 0);
ryood 0:1afb83a21a25 38
ryood 0:1afb83a21a25 39 Sequence sequences[SEQUENCE_N];
ryood 0:1afb83a21a25 40 SpiSequenceSender SequenceSender(&SpiMaster, D9, sequences, SEQUENCE_N, samplingPeriod, bpm);
ryood 0:1afb83a21a25 41
ryood 0:1afb83a21a25 42 Envelope envelope(4095, envelopeLength, envelopeLength*3/4, envelopeLength/2, 2047);
ryood 0:1afb83a21a25 43 EnvelopeGenerator EnvelopeGenerator;
ryood 0:1afb83a21a25 44 SpiAmpController AmpController(&SpiMaster, D8, D7);
ryood 0:1afb83a21a25 45
ryood 0:1afb83a21a25 46 SpiFilterController FilterController(&SpiMaster, D10);
ryood 0:1afb83a21a25 47
ryood 0:1afb83a21a25 48 // Grobal Variables
ryood 0:1afb83a21a25 49 //
ryood 0:1afb83a21a25 50 int playingStep = 0;
ryood 0:1afb83a21a25 51 int editingStep = 0;
ryood 0:1afb83a21a25 52 bool isRunning = false;
ryood 0:1afb83a21a25 53
ryood 0:1afb83a21a25 54 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 55 // Callback functions
ryood 0:1afb83a21a25 56 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 57 void updateTicks(int ticks)
ryood 0:1afb83a21a25 58 {
ryood 6:fd15586f72ff 59 if (sequences[SequenceSender.getStep()].isNoteOn())
ryood 5:e909232c913e 60 {
ryood 5:e909232c913e 61 uint16_t level = EnvelopeGenerator.update();
ryood 8:4e38bb44c72e 62 level = level >> 1;
ryood 8:4e38bb44c72e 63 if (sequences[SequenceSender.getStep()].isAccent())
ryood 5:e909232c913e 64 {
ryood 14:16d53ac0a61a 65 // Todo: 小数点演算を整数に
ryood 14:16d53ac0a61a 66 level *= 1.0f + ((float)UIController.getAccentLevel()) / 128.0f;
ryood 5:e909232c913e 67 }
ryood 5:e909232c913e 68 AmpController.outDca(level);
ryood 5:e909232c913e 69 //printf("%d %d %d\r\n", playingStep, ticks, level);
ryood 5:e909232c913e 70 }
ryood 5:e909232c913e 71 else
ryood 5:e909232c913e 72 {
ryood 5:e909232c913e 73 AmpController.outDca(0);
ryood 5:e909232c913e 74 }
ryood 5:e909232c913e 75
ryood 5:e909232c913e 76 FilterController.outDcf();
ryood 5:e909232c913e 77
ryood 0:1afb83a21a25 78 if (ticks == 0)
ryood 0:1afb83a21a25 79 {
ryood 0:1afb83a21a25 80 EnvelopeGenerator.init(envelope);
ryood 0:1afb83a21a25 81 playingStep = SequenceSender.getStep();
ryood 0:1afb83a21a25 82 UIController.setPlayingStep(playingStep);
ryood 0:1afb83a21a25 83 }
ryood 0:1afb83a21a25 84 }
ryood 0:1afb83a21a25 85
ryood 0:1afb83a21a25 86 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 87 // Functions
ryood 0:1afb83a21a25 88 //------------------------------------------------------------------------
ryood 1:87f7d2e0a123 89 void setParams()
ryood 1:87f7d2e0a123 90 {
ryood 1:87f7d2e0a123 91 UIController.getSequences(&sequences);
ryood 0:1afb83a21a25 92
ryood 1:87f7d2e0a123 93 SequenceSender.setBpm(UIController.getBpm());
ryood 0:1afb83a21a25 94
ryood 1:87f7d2e0a123 95 // ToDo: Impl. accentLevel
ryood 1:87f7d2e0a123 96
ryood 1:87f7d2e0a123 97 OscillatorParam osc;
ryood 1:87f7d2e0a123 98 UIController.getOscillatorParam(&osc);
ryood 1:87f7d2e0a123 99 SequenceSender.setWaveShape(osc.waveShape);
ryood 2:6056b9559541 100 SequenceSender.setPulseWidth(osc.pulseWidth << 1);
ryood 1:87f7d2e0a123 101
ryood 1:87f7d2e0a123 102 FilterParam flt;
ryood 1:87f7d2e0a123 103 UIController.getFilterParam(&flt);
ryood 1:87f7d2e0a123 104 FilterController.setCutoff(flt.cutoff << 1);
ryood 1:87f7d2e0a123 105 FilterController.setResonance(flt.resonance << 1);
ryood 1:87f7d2e0a123 106
ryood 1:87f7d2e0a123 107 EnvelopeParam env;
ryood 1:87f7d2e0a123 108 UIController.getEnvelopeParam(&env);
ryood 1:87f7d2e0a123 109 envelope.setLevel(env.level << 5);
ryood 1:87f7d2e0a123 110 //ToDo: Impl. envelope length
ryood 1:87f7d2e0a123 111 envelope.setLength(envelopeLength);
ryood 1:87f7d2e0a123 112 envelope.setDuration((float)env.duration / 128.0f * envelopeLength);
ryood 1:87f7d2e0a123 113 envelope.setDecay((float)env.decay / 128.0f * envelopeLength);
ryood 1:87f7d2e0a123 114 envelope.setSustain(env.sustain << 5);
ryood 1:87f7d2e0a123 115
ryood 1:87f7d2e0a123 116 bool _isRunning = UIController.getIsRunning();
ryood 5:e909232c913e 117 if (_isRunning != isRunning)
ryood 5:e909232c913e 118 {
ryood 1:87f7d2e0a123 119 isRunning = _isRunning;
ryood 5:e909232c913e 120 if (isRunning)
ryood 5:e909232c913e 121 {
ryood 1:87f7d2e0a123 122 SequenceSender.run(playingStep);
ryood 5:e909232c913e 123 }
ryood 5:e909232c913e 124 else
ryood 5:e909232c913e 125 {
ryood 1:87f7d2e0a123 126 AmpController.outDca(0);
ryood 1:87f7d2e0a123 127 SequenceSender.stop();
ryood 1:87f7d2e0a123 128 }
ryood 1:87f7d2e0a123 129 }
ryood 1:87f7d2e0a123 130 }
ryood 0:1afb83a21a25 131
ryood 0:1afb83a21a25 132 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 133 // Main routine
ryood 0:1afb83a21a25 134 //------------------------------------------------------------------------
ryood 0:1afb83a21a25 135 int main()
ryood 0:1afb83a21a25 136 {
ryood 0:1afb83a21a25 137 #if (UART_TRACE)
ryood 0:1afb83a21a25 138 printf("*** BaseMachine Sequencer ***\r\n");
ryood 0:1afb83a21a25 139 #endif
ryood 0:1afb83a21a25 140
ryood 0:1afb83a21a25 141 //--------------------------------------------------------------------
ryood 7:a47420a0c4bf 142 // Initialize objects
ryood 7:a47420a0c4bf 143 //
ryood 7:a47420a0c4bf 144 Sequence::setBaseNoteNumber(baseNoteNumber);
ryood 7:a47420a0c4bf 145
ryood 7:a47420a0c4bf 146 //--------------------------------------------------------------------
ryood 0:1afb83a21a25 147 // Setup Devices
ryood 0:1afb83a21a25 148 //
ryood 17:bc1f0fea5bc9 149 SpiMasterReset = 1;
ryood 0:1afb83a21a25 150 SpiMaster.format(8, 0);
ryood 0:1afb83a21a25 151 SpiMaster.frequency(SPI1_RATE);
ryood 0:1afb83a21a25 152
ryood 0:1afb83a21a25 153 // Mute output
ryood 0:1afb83a21a25 154 AmpController.outDca(0);
ryood 0:1afb83a21a25 155
ryood 0:1afb83a21a25 156 UIController.init();
ryood 7:a47420a0c4bf 157 setParams();
ryood 0:1afb83a21a25 158
ryood 0:1afb83a21a25 159 EnvelopeGenerator.init(envelope);
ryood 0:1afb83a21a25 160
ryood 0:1afb83a21a25 161 SequenceSender.attachUpdate(&updateTicks);
ryood 0:1afb83a21a25 162 SequenceSender.setWaveShape(waveShape);
ryood 17:bc1f0fea5bc9 163
ryood 0:1afb83a21a25 164 //--------------------------------------------------------------------
ryood 0:1afb83a21a25 165 // Main loop
ryood 0:1afb83a21a25 166 //
ryood 0:1afb83a21a25 167 for (;;)
ryood 0:1afb83a21a25 168 {
ryood 0:1afb83a21a25 169 UIController.update();
ryood 1:87f7d2e0a123 170 setParams();
ryood 2:6056b9559541 171
ryood 2:6056b9559541 172 Thread::wait(10);
ryood 0:1afb83a21a25 173 }
ryood 0:1afb83a21a25 174 }