diff --git a/docs/Note Step Calculation.xlsx b/docs/Note Step Calculation.xlsx index c15c705..972b1df 100644 Binary files a/docs/Note Step Calculation.xlsx and b/docs/Note Step Calculation.xlsx differ diff --git a/src/main.cpp b/src/main.cpp index f929162..d366455 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -9,31 +9,29 @@ #pragma region Globals(Config values, Variables, Objects, Types, etc.) // Config values const uint32_t interval = 10; // Display update interval -const uint8_t octave = 4; // Octave to start on -const uint32_t samplingRate = 44100; // Sampling rate +const uint32_t samplingRate = 22000; // Sampling rate const uint32_t canID = 0x123; // Variables std::atomic currentStepSize; std::atomic keyArray[7]; +std::atomic octave; +std::atomic selectedWaveform; QueueHandle_t msgInQ; uint8_t RX_Message[8] = {0}; // Objects U8G2_SSD1305_128X32_NONAME_F_HW_I2C u8g2(U8G2_R0); // Display driver object Knob K3 = Knob(0, 16); // Knob driver object // Program Specific Structures -typedef struct { - int32_t stepSize; - std::string note; -} Note; -const Note notes[] = { - {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"}}; +const int32_t stepSizes[85] = {0, 6384507, 6764150, 7166367, 7592501, 8043975, 8522295, 9029057, 9565952, 10134773, 10737418, 11375898, 12052344, 12769014, 13528299, 14332734, 15185002, 16087950, 17044589, 18058113, 19131904, 20269547, 21474836, 22751797, 24104689, 25538028, 27056599, 28665468, 30370005, 32175899, 34089178, 36116226, 38263809, 40539093, 42949673, 45503593, 48209378, 51076057, 54113197, 57330935, 60740010, 64351799, 68178356, 72232452, 76527617, 81078186, 85899346, 91007187, 96418756, 102152113, 108226394, 114661870, 121480020, 128703598, 136356712, 144464904, 153055234, 162156372, 171798692, 182014374, 192837512, 204304227, 216452788, 229323741, 242960040, 257407196, 272713424, 288929808, 306110469, 324312744, 343597384, 364028747, 385675023, 408608453, 432905576, 458647482, 485920080, 514814392, 545426848, 577859616, 612220937, 648625489, 687194767, 728057495, 771350046}; +const char *notes[85] = {"None", "C1", "C1#", "D1", "D1#", "E1", "F1", "F1#", "G1", "G1#", "A1", "A1#", "B1", "C2", "C2#", "D2", "D2#", "E2", "F2", "F2#", "G2", "G2#", "A2", "A2#", "B2", "C3", "C3#", "D3", "D3#", "E3", "F3", "F3#", "G3", "G3#", "A3", "A3#", "B3", "C4", "C4#", "D4", "D4#", "E4", "F4", "F4#", "G4", "G4#", "A4", "A4#", "B4", "C5", "C5#", "D5", "D5#", "E5", "F5", "F5#", "G5", "G5#", "A5", "A5#", "B5", "C6", "C6#", "D6", "D6#", "E6", "F6", "F6#", "G6", "G6#", "A6", "A6#", "B6", "C7", "C7#", "D7", "D7#", "E7", "F7", "F7#", "G7", "G7#", "A7", "A7#", "B7"}; +std::atomic activeNotes[85] = {{0}}; enum waveform { SQUARE = 0, SAWTOOTH, TRIANGLE, SINE }; -const unsigned char waveforms[4][18] = { +const unsigned char waveformIcons[4][18] = { {0x7f, 0x10, 0x41, 0x10, 0x41, 0x10, 0x41, 0x10, 0x41, 0x10, 0x41, 0x10, 0x41, 0x10, 0x41, 0x10, 0xc1, 0x1f}, // Square Wave {0x70, 0x10, 0x58, 0x18, 0x48, 0x08, 0x4c, 0x0c, 0x44, @@ -43,7 +41,7 @@ const unsigned char waveforms[4][18] = { {0x1c, 0x00, 0x36, 0x00, 0x22, 0x00, 0x63, 0x00, 0x41, 0x10, 0xc0, 0x18, 0x80, 0x08, 0x80, 0x0d, 0x00, 0x07} // Sine Wave }; -const unsigned char volumes[6][18] = { +const unsigned char volumeIcons[6][18] = { {0x10, 0x02, 0x98, 0x04, 0x1c, 0x05, 0x5f, 0x09, 0x5f, 0x09, 0x5f, 0x09, 0x1c, 0x05, 0x98, 0x04, 0x10, 0x02}, // volume max {0x10, 0x00, 0x98, 0x00, 0x1c, 0x01, 0x5f, 0x01, 0x5f, @@ -118,7 +116,7 @@ void setRow(const uint8_t rowIdx) { digitalWrite(REN_PIN, HIGH); } -// Returns key value (as notes[] index) of highest currently pressed key +// Returns key value (as stepSizes[] index) of highest currently pressed key uint16_t getTopKey() { uint16_t topKey = 0; for (uint8_t i = 0; i < 3; i++) { @@ -150,9 +148,9 @@ void decodeTask(void *pvParameters) { while (1) { xQueueReceive(msgInQ, RX_Message, portMAX_DELAY); if (RX_Message[0] == 0x50) { // Pressed - currentStepSize = notes[(RX_Message[1] - 1) * 12 + RX_Message[2]].stepSize; + activeNotes[(RX_Message[1] - 1) * 12 + RX_Message[2]] = true; } else { // Released - currentStepSize = 0; + activeNotes[(RX_Message[1] - 1) * 12 + RX_Message[2]] = false; } } } @@ -191,7 +189,7 @@ void scanKeysTask(void *pvParameters) { } } } - currentStepSize = notes[getTopKey()].stepSize; // Atomic Store + currentStepSize = stepSizes[getTopKey()]; // Atomic Store K3.updateRotation(keyArray[3] & 0x1, keyArray[3] & 0x2); } } @@ -203,11 +201,16 @@ void displayUpdateTask(void *pvParameters) { while (1) { vTaskDelayUntil(&xLastWakeTime, xFrequency); uint32_t rxID; - u8g2.clearBuffer(); // clear the internal memory u8g2.setFont(u8g2_font_profont12_mf); // choose a suitable font - uint16_t key = getTopKey(); - u8g2.drawStr(2, 10, notes[key].note.c_str()); // Print the current key + char currentKeys[64] = {0}; + for (uint8_t i = 0; i < 85; i++) { + if (activeNotes[i]) { + strcat(currentKeys, notes[i]); + strcat(currentKeys, " "); + } + } + u8g2.drawStr(2, 10, currentKeys); // Print the current keys digitalToggle(LED_BUILTIN); u8g2.setCursor(2, 20); for (uint8_t i = 0; i < 7; i++) { @@ -224,6 +227,7 @@ void displayUpdateTask(void *pvParameters) { } } +// Arduino framework setup function, sets up Pins, Display, UART, CAN and Tasks void setup() { #pragma region Pin Setup pinMode(RA0_PIN, OUTPUT); @@ -241,6 +245,9 @@ void setup() { pinMode(JOYX_PIN, INPUT); pinMode(JOYY_PIN, INPUT); #pragma endregion +#pragma region Variables Setup + octave = 4; +#pragma endregion #pragma region Display Setup setOutMuxBit(DRST_BIT, LOW); // Assert display logic reset delayMicroseconds(2); @@ -267,14 +274,23 @@ void setup() { sampleTimer->resume(); TaskHandle_t scanKeysHandle = nullptr; TaskHandle_t displayUpdateHandle = nullptr; + TaskHandle_t decodeHandle = nullptr; xTaskCreate( scanKeysTask, // Function that implements the task "scanKeys", // Text name for the task 64, // Stack size in words, not bytes nullptr, // Parameter passed into the task - 2, // Task priority + 3, // Task priority &scanKeysHandle // Pointer to store the task handle ); + xTaskCreate( + decodeTask, // Function that implements the task + "decode", // Text name for the task + 256, // Stack size in words, not bytes + nullptr, // Parameter passed into the task + 2, // Task priority + &decodeHandle // Pointer to store the task handle + ); xTaskCreate( displayUpdateTask, // Function that implements the task "displayUpdate", // Text name for the task