supleed2/ELEC60013-ES-CW2
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Trying to implement multiple notes

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Kacper 2022-03-25 09:56:37 +00:00
parent c425de4fa5
commit 86f5af5547
1 changed files with 75 additions and 23 deletions
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90
src/main.cpp
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@ -12,12 +12,13 @@ const uint32_t interval = 10; // Display update interval
const uint32_t samplingRate = 44100; // Sampling rate const uint32_t samplingRate = 44100; // Sampling rate
const uint32_t canID = 0x123; const uint32_t canID = 0x123;
// Variables // Variables
std::atomic<int32_t> currentStepSize; std::atomic<int32_t> currentStepSize[12];
std::atomic<uint8_t> keyArray[7]; std::atomic<uint8_t> keyArray[7];
std::atomic<uint8_t> octave; std::atomic<uint8_t> octave;
std::atomic<int8_t> volume; std::atomic<int8_t> volume;
std::atomic<bool> volumeFiner; std::atomic<bool> volumeFiner;
std::atomic<int8_t> wave; std::atomic<int8_t> wave;
std::atomic<uint16_t> pressedKeys;
int8_t volumeHistory = 0; int8_t volumeHistory = 0;
QueueHandle_t msgInQ; QueueHandle_t msgInQ;
uint8_t RX_Message[8] = {0}; uint8_t RX_Message[8] = {0};
@ -27,12 +28,16 @@ Knob K0(2,14,8); //Octave encoder
Knob K1(0,6); //Waveform encoder Knob K1(0,6); //Waveform encoder
Knob K3(0,10); //Volume encoder Knob K3(0,10); //Volume encoder
// Program Specific Structures // Program Specific Structures
typedef struct{ const int32_t notes[8][12] = {
int32_t stepSize; {0},
std::string note; {3185014, 3374405, 3575058, 3787642, 4012867, 4251484, 4504291, 4772130, 5055895, 5356535, 5675051, 6012507},
} Note; {6370029, 6748811, 7150116, 7575284, 8025734, 8502969, 9008582, 9544260, 10111791, 10713070, 11350102, 12025014},
const Note notes[] = { {12740059, 13497622, 14300233, 15150569, 16051469, 17005939, 18017164, 19088521, 20223583, 21426140, 22700205, 24050029},
{0, "None"}, {3185014, "C1"}, {3374405, "C1#"}, {3575058, "D1"}, {3787642, "D1#"}, {4012867, "E1"}, {4251484, "F1"}, {4504291, "F1#"}, {4772130, "G1"}, {5055895, "G1#"}, {5356535, "A1"}, {5675051, "A1#"}, {6012507, "B1"}, {6370029, "C2"}, {6748811, "C2#"}, {7150116, "D2"}, {7575284, "D2#"}, {8025734, "E2"}, {8502969, "F2"}, {9008582, "F2#"}, {9544260, "G2"}, {10111791, "G2#"}, {10713070, "A2"}, {11350102, "A2#"}, {12025014, "B2"}, {12740059, "C3"}, {13497622, "C3#"}, {14300233, "D3"}, {15150569, "D3#"}, {16051469, "E3"}, {17005939, "F3"}, {18017164, "F3#"}, {19088521, "G3"}, {20223583, "G3#"}, {21426140, "A3"}, {22700205, "A3#"}, {24050029, "B3"}, {25480118, "C4"}, {26995245, "C4#"}, {28600466, "D4"}, {30301138, "D4#"}, {32102938, "E4"}, {34011878, "F4"}, {36034329, "F4#"}, {38177042, "G4"}, {40447167, "G4#"}, {42852281, "A4"}, {45400410, "A4#"}, {48100059, "B4"}, {50960237, "C5"}, {53990491, "C5#"}, {57200933, "D5"}, {60602277, "D5#"}, {64205876, "E5"}, {68023756, "F5"}, {72068659, "F5#"}, {76354085, "G5"}, {80894335, "G5#"}, {85704562, "A5"}, {90800821, "A5#"}, {96200119, "B5"}, {101920475, "C6"}, {107980982, "C6#"}, {114401866, "D6"}, {121204555, "D6#"}, {128411753, "E6"}, {136047513, "F6"}, {144137319, "F6#"}, {152708170, "G6"}, {161788670, "G6#"}, {171409125, "A6"}, {181601642, "A6#"}, {192400238, "B6"}, {203840951, "C7"}, {215961965, "C7#"}, {228803732, "D7"}, {242409110, "D7#"}, {256823506, "E7"}, {272095026, "F7"}, {288274638, "F7#"}, {305416340, "G7"}, {323577341, "G7#"}, {342818251, "A7"}, {363203285, "A7#"}, {384800476, "B7"}}; {25480118, 26995245, 28600466, 30301138, 32102938, 34011878, 36034329, 38177042, 40447167, 42852281, 45400410, 48100059},
{50960237, 53990491, 57200933, 60602277, 64205876, 68023756, 72068659, 76354085, 80894335, 85704562, 90800821, 96200119},
{101920475, 107980982, 114401866, 121204555, 128411753, 136047513, 144137319, 152708170, 161788670, 171409125, 181601642, 192400238},
{203840951, 215961965, 228803732, 242409110, 256823506, 272095026, 288274638, 305416340, 323577341, 342818251, 363203285, 384800476}
};
enum waveform { enum waveform {
SQUARE = 0, SQUARE = 0,
SAWTOOTH, SAWTOOTH,
@ -141,31 +146,75 @@ uint16_t getTopKey() {
for (uint8_t i = 0; i < 3; i++) { for (uint8_t i = 0; i < 3; i++) {
for (uint8_t j = 0; j < 4; j++) { for (uint8_t j = 0; j < 4; j++) {
if (keyArray[i] & (0x1 << j)) { if (keyArray[i] & (0x1 << j)) {
topKey = (octave - 1) * 12 + i * 4 + j + 1; topKey = i * 4 + j;
} }
} }
} }
return topKey; return topKey;
} }
// Interrupt driven routine to send waveform to DAC // Returns integer where each bit represents a separate key (1 = pressed, 0 = not pressed)
void sampleISR(){ uint16_t getKeys() {
static int32_t phaseAcc = 0; uint16_t keys = 0;
phaseAcc += currentStepSize; for (uint8_t i = 0; i < 3; i++) {
int32_t Vout = 0; for (uint8_t j = 0; j < 4; j++) {
if (keyArray[i] & (0x1 << j)) {
keys += 0x1 << (j+i*4);
}
}
}
return keys;
}
int8_t getKeyCount() {
uint8_t keyCount = 0;
for (uint8_t i = 0; i < 3; i++) {
for (uint8_t j = 0; j < 4; j++) {
if (keyArray[i] & (0x1 << j)) {
keyCount += 1;
}
}
}
return keyCount;
}
int32_t mixInputs(int32_t *accs) {
int8_t keyCount = getKeyCount();
int32_t output = 0;
if(keyCount!=0){
for(int8_t i = 0; i<12; i++){
if(wave==SAWTOOTH){ if(wave==SAWTOOTH){
Vout = phaseAcc >> 16; output += (*(accs+i)/keyCount) >> 16;
}else if(wave==SQUARE){ }else if(wave==SQUARE){
if(phaseAcc<0){ if(*(accs+i)<0){
Vout = 0x8000; output += 0x8000/keyCount;
}else{ }else{
Vout = 0; output += 0;
} }
}else if(wave==TRIANGLE){ }else if(wave==TRIANGLE){
//TODO //TODO
}else if(wave==SINE){ }else if(wave==SINE){
//TODO //TODO
} }
}
}
return output;
}
// Interrupt driven routine to send waveform to DAC
void sampleISR(){
static int32_t phaseAcc[12] = {0,0,0,0,0,0,0,0,0,0,0,0};
int8_t keyCount = getKeyCount();
uint16_t keys = getKeys();
Serial.print(1);
for(int8_t i = 0; i<12; i++){
if(keys & (0x1 << i)){
phaseAcc[i] += notes[octave][i];
}else{
phaseAcc[i] = 0;
}
}
int32_t Vout = mixInputs(phaseAcc);
Vout = scaleVolume(Vout); Vout = scaleVolume(Vout);
analogWrite(OUTR_PIN, Vout + 128); analogWrite(OUTR_PIN, Vout + 128);
} }
@ -227,7 +276,7 @@ void scanKeysTask(void *pvParameters) {
}else{ }else{
K3.changeLimitsVolume(0,10); K3.changeLimitsVolume(0,10);
}; };
currentStepSize = notes[getTopKey()].stepSize; // Atomic Store pressedKeys = getKeys();
K0.updateRotation(keyArray[4] & 0x4, keyArray[4] & 0x8); K0.updateRotation(keyArray[4] & 0x4, keyArray[4] & 0x8);
octave = K0.getRotation()/2; octave = K0.getRotation()/2;
K1.updateRotation(keyArray[4] & 0x1, keyArray[4] & 0x2); K1.updateRotation(keyArray[4] & 0x1, keyArray[4] & 0x2);
@ -250,7 +299,7 @@ void displayUpdateTask(void *pvParameters) {
u8g2.clearBuffer(); // clear the internal memory u8g2.clearBuffer(); // clear the internal memory
u8g2.setFont(u8g2_font_profont12_mf); // choose a suitable font u8g2.setFont(u8g2_font_profont12_mf); // choose a suitable font
uint16_t key = getTopKey(); uint16_t key = getTopKey();
u8g2.drawStr(2, 10, notes[key].note.c_str()); // Print the current key //u8g2.drawStr(2, 10, notes[key].note.c_str()); // Print the current key
digitalToggle(LED_BUILTIN); digitalToggle(LED_BUILTIN);
u8g2.setCursor(2, 20); u8g2.setCursor(2, 20);
for (uint8_t i = 0; i < 7; i++) { for (uint8_t i = 0; i < 7; i++) {
@ -261,6 +310,9 @@ void displayUpdateTask(void *pvParameters) {
u8g2.print(RX_Message[1]); u8g2.print(RX_Message[1]);
u8g2.print(RX_Message[2], HEX); u8g2.print(RX_Message[2], HEX);
u8g2.setCursor(70, 30);
u8g2.print(getKeys());
// Print waveform icon // Print waveform icon
int K1_rot = K1.getRotation(); int K1_rot = K1.getRotation();
if(K1_rot<2){ if(K1_rot<2){