Ryo Od / Mbed 2 deprecated KIK01_Proto05

KIK 01 Prototype 05

Dependencies:   AverageMCP3008 mbed-rtos mbed mcp3008

Fork of KIK01_Proto03 by Ryo Od

main.cpp@27:b07a55935230, 2017-10-19 (annotated)

Committer:
ryood
Date:
Thu Oct 19 06:36:10 2017 +0000
Revision:
27:b07a55935230
Parent:
26:866d672ba446
Child:
28:387c5a6d5206
Add channel parameter to DcaSetAmplitude()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ryood 3:f89b400cfe57 1 /*
ryood 3:f89b400cfe57 2 * KIK01
ryood 3:f89b400cfe57 3 * Kick Machine
ryood 3:f89b400cfe57 4 *
ryood 27:b07a55935230 5 * 2017.10.19 Proto05: Add NOS01 Controller
ryood 17:a5d9908bd456 6 * 2017.09.16 Proto04: SPI1 for AD8402 Wein Bridge DCO & Internal DAC for Dual-OTA-VCA
ryood 15:8f674acdac03 7 * 2017.07.04 Proto03: MCP4922 DCA
ryood 13:43a43da257e3 8 * 2017.06.19 Proto02
ryood 3:f89b400cfe57 9 * 2017.06.04 created.
ryood 3:f89b400cfe57 10 *
ryood 3:f89b400cfe57 11 */
ryood 3:f89b400cfe57 12
ryood 0:2dcec10e9199 13 #include "mbed.h"
ryood 0:2dcec10e9199 14 #include "rtos.h"
ryood 13:43a43da257e3 15 #include "mcp3008.h"
ryood 22:a3bb7594f9bb 16 #include "EnvelopeAR.h"
ryood 0:2dcec10e9199 17
ryood 17:a5d9908bd456 18 #define UART_TRACE (1)
ryood 12:5b498285d121 19 #define PIN_CHECK (1)
ryood 0:2dcec10e9199 20 #define TITLE_STR1 ("KIK01 Kick Machine")
ryood 26:866d672ba446 21 #define TITLE_STR2 ("20171019")
ryood 0:2dcec10e9199 22
ryood 0:2dcec10e9199 23 #define PI_F (3.1415926f)
ryood 15:8f674acdac03 24
ryood 17:a5d9908bd456 25 #define MCP3008_SPI_SPEED (1000000)
ryood 21:a527f51381d6 26 #define AD8402_SPI_SPEED (10000000)
ryood 23:da7c5f7feff1 27 #define ENVELOPE_UPDATE_RATE (32000) // Hz
ryood 17:a5d9908bd456 28
ryood 20:70a05941db8c 29 #define AD8402_RMAX (10000.0f)
ryood 20:70a05941db8c 30 #define AD8402_RMIN (50.0f)
ryood 20:70a05941db8c 31
ryood 26:866d672ba446 32 AnalogOut Dac1(PA_4);
ryood 27:b07a55935230 33 AnalogOut Dac2(PA_5);
ryood 3:f89b400cfe57 34
ryood 26:866d672ba446 35 // AD8402 SPI (SPI2)
ryood 26:866d672ba446 36 // SPI (PinName mosi, PinName miso, PinName sclk, PinName ssel=NC)
ryood 26:866d672ba446 37 SPI SpiMAD8402(PB_15, PB_14, PB_13);
ryood 26:866d672ba446 38 DigitalOut AD8402Cs(PC_4);
ryood 15:8f674acdac03 39
ryood 18:1bf4abf6895b 40 // MCP3008 SPI
ryood 26:866d672ba446 41 // SPI (PinName mosi, PinName miso, PinName sclk, PinName ssel=NC)
ryood 26:866d672ba446 42 SPI SpiMAdc(PB_5, PB_4, PB_3);
ryood 26:866d672ba446 43 MCP3008 Adc1(&SpiMAdc, PB_10);
ryood 26:866d672ba446 44 MCP3008 Adc2(&SpiMAdc, PA_8);
ryood 26:866d672ba446 45 MCP3008 Adc3(&SpiMAdc, PA_9);
ryood 8:bb34a4894337 46
ryood 18:1bf4abf6895b 47 // Sync
ryood 26:866d672ba446 48 DigitalOut SyncPin(PA_10);
ryood 18:1bf4abf6895b 49
ryood 14:8e96f97e261b 50 // Check pins
ryood 26:866d672ba446 51 DigitalOut Dout1(PB_9);
ryood 26:866d672ba446 52 DigitalOut Dout2(PB_8);
ryood 27:b07a55935230 53 DigitalOut Dout3(PB_6);
ryood 14:8e96f97e261b 54
ryood 9:d1e6eae9722b 55 EnvelopeAR envelopeFrequency(5, 300, 880.0f, 120.0f, 40.0f, 0.36f, 0.1f);
ryood 5:846772a77d33 56 EnvelopeAR envelopeAmplitude(50, 200, 0.99f, 1.0f, 0.0f);
ryood 5:846772a77d33 57
ryood 25:b4977c7e0db7 58 EnvelopeParam frequencyParam;
ryood 25:b4977c7e0db7 59 EnvelopeParam amplitudeParam;
ryood 0:2dcec10e9199 60
ryood 3:f89b400cfe57 61 volatile int ticks;
ryood 3:f89b400cfe57 62 volatile float frequency;
ryood 3:f89b400cfe57 63 volatile float amplitude;
ryood 3:f89b400cfe57 64
ryood 5:846772a77d33 65 volatile float bpm;
ryood 5:846772a77d33 66 volatile int envelopeLength;
ryood 14:8e96f97e261b 67 volatile int stepLength;
ryood 0:2dcec10e9199 68
ryood 17:a5d9908bd456 69 void AD8402Write(uint8_t address, uint8_t value)
ryood 17:a5d9908bd456 70 {
ryood 21:a527f51381d6 71 #if (PIN_CHECK)
ryood 26:866d672ba446 72 Dout2 = 1;
ryood 21:a527f51381d6 73 #endif
ryood 21:a527f51381d6 74
ryood 18:1bf4abf6895b 75 AD8402Cs = 0;
ryood 21:a527f51381d6 76 SpiMAD8402.write(address);
ryood 21:a527f51381d6 77 SpiMAD8402.write(value);
ryood 18:1bf4abf6895b 78 AD8402Cs = 1;
ryood 17:a5d9908bd456 79 wait_us(1);
ryood 21:a527f51381d6 80
ryood 21:a527f51381d6 81 #if (PIN_CHECK)
ryood 26:866d672ba446 82 Dout2 = 0;
ryood 21:a527f51381d6 83 #endif
ryood 17:a5d9908bd456 84 }
ryood 17:a5d9908bd456 85
ryood 23:da7c5f7feff1 86 void DcoSetFrequency(float freq)
ryood 17:a5d9908bd456 87 {
ryood 17:a5d9908bd456 88 const float c = 0.00000047;
ryood 17:a5d9908bd456 89 float r = 1.0f / (2.0f * PI_F * frequency * c);
ryood 20:70a05941db8c 90 if (r < AD8402_RMIN) r = AD8402_RMIN;
ryood 20:70a05941db8c 91 if (r > AD8402_RMAX) r = AD8402_RMAX;
ryood 20:70a05941db8c 92
ryood 20:70a05941db8c 93 uint8_t v = 256.0f * (r - AD8402_RMIN) / AD8402_RMAX;
ryood 21:a527f51381d6 94
ryood 17:a5d9908bd456 95 AD8402Write(0, v);
ryood 17:a5d9908bd456 96 AD8402Write(1, v);
ryood 23:da7c5f7feff1 97 }
ryood 17:a5d9908bd456 98
ryood 27:b07a55935230 99 void DcaSetAmplitude(int channel, float amp)
ryood 23:da7c5f7feff1 100 {
ryood 27:b07a55935230 101 switch (channel) {
ryood 27:b07a55935230 102 case 1:
ryood 27:b07a55935230 103 Dac1.write(amp);
ryood 27:b07a55935230 104 break;
ryood 27:b07a55935230 105 case 2:
ryood 27:b07a55935230 106 Dac2.write(amp * 0.8f); // Avoid LED,s Non-Linearity
ryood 27:b07a55935230 107 break;
ryood 27:b07a55935230 108 default:
ryood 27:b07a55935230 109 error("DcaSetAmplitude(): invalid channel");
ryood 27:b07a55935230 110 }
ryood 17:a5d9908bd456 111 }
ryood 15:8f674acdac03 112
ryood 2:8dff77a1ee4d 113 void update()
ryood 2:8dff77a1ee4d 114 {
ryood 12:5b498285d121 115 #if (PIN_CHECK)
ryood 26:866d672ba446 116 Dout1 = 1;
ryood 12:5b498285d121 117 #endif
ryood 15:8f674acdac03 118
ryood 14:8e96f97e261b 119 // Output Sync Signal per steps
ryood 17:a5d9908bd456 120 if (ticks % stepLength == 0) {
ryood 14:8e96f97e261b 121 SyncPin = 1;
ryood 14:8e96f97e261b 122 }
ryood 15:8f674acdac03 123
ryood 17:a5d9908bd456 124 // set envelope parameters
ryood 25:b4977c7e0db7 125 envelopeAmplitude.setParam(amplitudeParam);
ryood 25:b4977c7e0db7 126 envelopeFrequency.setParam(frequencyParam);
ryood 11:7e11404adca0 127
ryood 23:da7c5f7feff1 128 frequency = envelopeFrequency.getAmplitude(ticks);
ryood 23:da7c5f7feff1 129 amplitude = envelopeAmplitude.getAmplitude(ticks);
ryood 23:da7c5f7feff1 130
ryood 23:da7c5f7feff1 131 DcoSetFrequency(frequency);
ryood 27:b07a55935230 132 DcaSetAmplitude(1, amplitude); // DCO
ryood 27:b07a55935230 133 DcaSetAmplitude(2, amplitude); // NOS01
ryood 11:7e11404adca0 134
ryood 17:a5d9908bd456 135 ticks++;
ryood 17:a5d9908bd456 136 if (ticks >= envelopeLength) {
ryood 17:a5d9908bd456 137 ticks = 0;
ryood 2:8dff77a1ee4d 138 }
ryood 15:8f674acdac03 139
ryood 14:8e96f97e261b 140 // Output SyncSignal
ryood 14:8e96f97e261b 141 SyncPin = 0;
ryood 15:8f674acdac03 142
ryood 12:5b498285d121 143 #if (PIN_CHECK)
ryood 26:866d672ba446 144 Dout1 = 0;
ryood 12:5b498285d121 145 #endif
ryood 2:8dff77a1ee4d 146 }
ryood 2:8dff77a1ee4d 147
ryood 25:b4977c7e0db7 148 void readParams()
ryood 5:846772a77d33 149 {
ryood 26:866d672ba446 150 bpm = Adc1.read_input(7) * 180.0f + 60.0f;
ryood 12:5b498285d121 151 envelopeLength = 60 * ENVELOPE_UPDATE_RATE / bpm;
ryood 14:8e96f97e261b 152 stepLength = envelopeLength / 4;
ryood 11:7e11404adca0 153
ryood 26:866d672ba446 154 amplitudeParam.attack = Adc1.read_input(0) * envelopeLength;
ryood 26:866d672ba446 155 amplitudeParam.release = Adc1.read_input(1) * envelopeLength;
ryood 26:866d672ba446 156 amplitudeParam.v0 = Adc1.read_input(4);
ryood 26:866d672ba446 157 amplitudeParam.v1 = Adc1.read_input(5);
ryood 26:866d672ba446 158 amplitudeParam.v2 = Adc1.read_input(6);
ryood 26:866d672ba446 159 amplitudeParam.attackTauRatio = Adc1.read_input(2) + 0.01f;
ryood 26:866d672ba446 160 amplitudeParam.releaseTauRatio = Adc1.read_input(3) + 0.01f;
ryood 11:7e11404adca0 161
ryood 26:866d672ba446 162 frequencyParam.attack = Adc2.read_input(0) * envelopeLength * 0.1f;
ryood 26:866d672ba446 163 frequencyParam.release = Adc2.read_input(1) * envelopeLength + 1;
ryood 26:866d672ba446 164 frequencyParam.v0 = Adc2.read_input(4) * 4000.0f;
ryood 26:866d672ba446 165 frequencyParam.v1 = Adc2.read_input(5) * 400.0f;
ryood 26:866d672ba446 166 frequencyParam.v2 = Adc2.read_input(6) * 400.0f;
ryood 26:866d672ba446 167 frequencyParam.attackTauRatio = Adc2.read_input(2) + 0.01f;
ryood 26:866d672ba446 168 frequencyParam.releaseTauRatio = Adc2.read_input(3) + 0.01f;
ryood 5:846772a77d33 169 }
ryood 5:846772a77d33 170
ryood 0:2dcec10e9199 171 int main()
ryood 0:2dcec10e9199 172 {
ryood 27:b07a55935230 173 #if UART_TRACE
ryood 27:b07a55935230 174 printf("\r\n\n%s %s\r\n", TITLE_STR1, TITLE_STR2);
ryood 27:b07a55935230 175 #endif
ryood 15:8f674acdac03 176
ryood 21:a527f51381d6 177 SpiMAD8402.format(8, 0);
ryood 21:a527f51381d6 178 SpiMAD8402.frequency(AD8402_SPI_SPEED);
ryood 17:a5d9908bd456 179
ryood 26:866d672ba446 180 SpiMAdc.format(8, 0);
ryood 26:866d672ba446 181 SpiMAdc.frequency(MCP3008_SPI_SPEED);
ryood 15:8f674acdac03 182
ryood 17:a5d9908bd456 183 frequency = 100.0f;
ryood 0:2dcec10e9199 184 amplitude = 1.0f;
ryood 17:a5d9908bd456 185 bpm = 120.0f;
ryood 17:a5d9908bd456 186
ryood 25:b4977c7e0db7 187 readParams();
ryood 11:7e11404adca0 188
ryood 3:f89b400cfe57 189 ticks = 0;
ryood 2:8dff77a1ee4d 190 Ticker samplingTicker;
ryood 17:a5d9908bd456 191 samplingTicker.attach(&update, (1.0f/ENVELOPE_UPDATE_RATE));
ryood 11:7e11404adca0 192
ryood 3:f89b400cfe57 193 for (;;) {
ryood 13:43a43da257e3 194 #if (PIN_CHECK)
ryood 26:866d672ba446 195 Dout3 = 1;
ryood 15:8f674acdac03 196 #endif
ryood 25:b4977c7e0db7 197
ryood 25:b4977c7e0db7 198 readParams();
ryood 25:b4977c7e0db7 199
ryood 13:43a43da257e3 200 #if (PIN_CHECK)
ryood 26:866d672ba446 201 Dout3 = 0;
ryood 15:8f674acdac03 202 #endif
ryood 11:7e11404adca0 203
ryood 11:7e11404adca0 204 #if UART_TRACE
ryood 6:897d6392b408 205 printf("%.1f\t%d\t", bpm, envelopeLength);
ryood 11:7e11404adca0 206
ryood 6:897d6392b408 207 printf("%d\t%d\t", amplitudeParam.attack, amplitudeParam.release);
ryood 6:897d6392b408 208 printf("%.2f\t%.2f\t%.2f\t", amplitudeParam.v0, amplitudeParam.v1, amplitudeParam.v2);
ryood 6:897d6392b408 209 printf("%.2f\t%.2f\t", amplitudeParam.attackTauRatio, amplitudeParam.releaseTauRatio);
ryood 6:897d6392b408 210
ryood 6:897d6392b408 211 printf("%d\t%d\t", frequencyParam.attack, frequencyParam.release);
ryood 6:897d6392b408 212 printf("%.2f\t%.2f\t%.2f\t", frequencyParam.v0, frequencyParam.v1, frequencyParam.v2);
ryood 6:897d6392b408 213 printf("%.2f\t%.2f\r\n", frequencyParam.attackTauRatio, frequencyParam.releaseTauRatio);
ryood 11:7e11404adca0 214 #endif
ryood 11:7e11404adca0 215
ryood 13:43a43da257e3 216 Thread::wait(1);
ryood 3:f89b400cfe57 217 }
ryood 0:2dcec10e9199 218 }