diff options
Diffstat (limited to 'HexBoard_V1.1.ino')
| -rw-r--r-- | HexBoard_V1.1.ino | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/HexBoard_V1.1.ino b/HexBoard_V1.1.ino new file mode 100644 index 0000000..6c5b3fd --- /dev/null +++ b/HexBoard_V1.1.ino @@ -0,0 +1,266 @@ +// Hardware Information: +// Generic RP2040 running at 133MHz with 16MB of flash + +// Brilliant resource for dealing with hexagonal coordinates. https://www.redblobgames.com/grids/hexagons/ +// Might be useful for animations and stuff like that. + +#include <Arduino.h> +#include <Adafruit_TinyUSB.h> +#include <MIDI.h> +#include <Adafruit_NeoPixel.h> + +// USB MIDI object +Adafruit_USBD_MIDI usb_midi; + +// Create a new instance of the Arduino MIDI Library, +// and attach usb_midi as the transport. +MIDI_CREATE_INSTANCE(Adafruit_USBD_MIDI, usb_midi, MIDI); + +#define LED_PIN 22 +#define LED_COUNT 140 + +Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_RGB + NEO_KHZ800); + +// +// Button matrix and LED locations +// Portrait orientation top view: +// 9 8 7 6 5 4 3 2 1 +// 20 19 18 17 16 15 14 13 12 11 +// 29 28 27 26 25 24 23 22 21 +// 40 39 38 37 36 35 34 33 32 31 +// 49 48 47 46 45 44 43 42 41 +// 60 59 58 57 56 55 54 53 52 51 +// 10 69 68 67 66 65 64 63 62 61 +// 30 80 79 78 77 76 75 74 73 72 71 +// 50 89 88 87 86 85 84 83 82 81 +// 70 100 99 98 97 96 95 94 93 92 91 +// 90 109 108 107 106 105 104 103 102 101 +//110 120 119 118 117 116 115 114 113 112 111 +// 130 129 128 127 126 125 124 123 122 121 +// 140 139 138 137 136 135 134 133 132 131 + +// DIAGNOSTICS +// 1 = Full button test (1 and 0) +// 2 = Button test (button number) +// 3 = MIDI output test +int diagnostics = 0; + +// Define digital button matrix pins +const byte columns[] = { 14, 15, 13, 12, 11, 10, 9, 8, 7, 6 }; // Column pins in order from right to left +const int m1p = 4; // Multiplexing chip control pins +const int m2p = 5; +const int m4p = 2; +const int m8p = 3; +// 16 & 17 reserved for lights. +const byte columnCount = sizeof(columns); // The number of columns in the matrix +const byte rowCount = 14; // The number of rows in the matrix +const byte elementCount = columnCount * rowCount; // The number of elements in the matrix + +// Since MIDI only uses 7 bits, we can give greater values special meanings. +// (see commandPress) +const int OCT_DN = 128; +const int OCT_UP = 129; +const int BT_TOG = 130; +const int LAY_MD = 131; +const int LGH_MD = 132; +const int PTB_DN = 133; +const int PTB_UP = 134; +const int BK_TOG = 135; +const int UNUSED = 255; + +#define ROW_FLIP(x, ix, viii, vii, vi, v, iv, iii, ii, i) i, ii, iii, iv, v, vi, vii, viii, ix, x +//hacky macro because I (Jared) messed up the board layout - I'll do better next time! xD + +// MIDI note value tables +const byte wickiHaydenLayout[elementCount] = { + ROW_FLIP(BK_TOG, 90, 92, 94, 96, 98, 100, 102, 104, 106), + ROW_FLIP(83, 85, 87, 89, 91, 93, 95, 97, 99, 101), + ROW_FLIP(LGH_MD, 78, 80, 82, 84, 86, 88, 90, 92, 94), + ROW_FLIP(71, 73, 75, 77, 79, 81, 83, 85, 87, 89), + ROW_FLIP(LAY_MD, 66, 68, 70, 72, 74, 76, 78, 80, 82), + ROW_FLIP(59, 61, 63, 65, 67, 69, 71, 73, 75, 77), + ROW_FLIP(OCT_UP, 54, 56, 58, 60, 62, 64, 66, 68, 70), + ROW_FLIP(47, 49, 51, 53, 55, 57, 59, 61, 63, 65), + ROW_FLIP(OCT_DN, 42, 44, 46, 48, 50, 52, 54, 56, 58), + ROW_FLIP(35, 37, 39, 41, 43, 45, 47, 49, 51, 53), + ROW_FLIP(PTB_UP, 30, 32, 34, 36, 38, 40, 42, 44, 46), + ROW_FLIP(23, 25, 27, 29, 31, 33, 35, 37, 39, 41), + ROW_FLIP(PTB_DN, 18, 20, 22, 24, 26, 28, 30, 32, 34), + ROW_FLIP(11, 13, 15, 17, 19, 21, 23, 25, 27, 29) +}; +const byte harmonicTableLayout[elementCount] = { + ROW_FLIP(BK_TOG, 83, 76, 69, 62, 55, 48, 41, 34, 27), + ROW_FLIP(86, 79, 72, 65, 58, 51, 44, 37, 30, 23), + ROW_FLIP(LGH_MD, 82, 75, 68, 61, 54, 47, 40, 33, 26), + ROW_FLIP(85, 78, 71, 64, 57, 50, 43, 36, 29, 22), + ROW_FLIP(LAY_MD, 81, 74, 67, 60, 53, 46, 39, 32, 25), + ROW_FLIP(84, 77, 70, 63, 56, 49, 42, 35, 28, 21), + ROW_FLIP(OCT_UP, 80, 73, 66, 59, 52, 45, 38, 31, 24), + ROW_FLIP(83, 76, 69, 62, 55, 48, 41, 34, 27, 20), + ROW_FLIP(OCT_DN, 79, 72, 65, 58, 51, 44, 37, 30, 23), + ROW_FLIP(82, 75, 68, 61, 54, 47, 40, 33, 26, 19), + ROW_FLIP(PTB_UP, 78, 71, 64, 57, 50, 43, 36, 29, 22), + ROW_FLIP(81, 74, 67, 60, 53, 46, 39, 32, 25, 18), + ROW_FLIP(PTB_DN, 77, 70, 63, 56, 49, 42, 35, 28, 21), + ROW_FLIP(80, 73, 66, 59, 52, 45, 38, 31, 24, 17) +}; +const byte gerhardLayout[elementCount] = { + ROW_FLIP(BK_TOG, 74, 73, 72, 71, 70, 69, 68, 67, 66), + ROW_FLIP(71, 70, 69, 68, 67, 66, 65, 64, 63, 62), + ROW_FLIP(LGH_MD, 67, 66, 65, 64, 63, 62, 61, 60, 59), + ROW_FLIP(64, 63, 62, 61, 60, 59, 58, 57, 56, 55), + ROW_FLIP(LAY_MD, 60, 59, 58, 57, 56, 55, 54, 53, 52), + ROW_FLIP(57, 56, 55, 54, 53, 52, 51, 50, 49, 48), + ROW_FLIP(OCT_UP, 53, 52, 51, 50, 49, 48, 47, 46, 45), + ROW_FLIP(50, 49, 48, 47, 46, 45, 44, 43, 42, 41), + ROW_FLIP(OCT_DN, 46, 45, 44, 43, 42, 41, 40, 39, 38), + ROW_FLIP(43, 42, 41, 40, 39, 38, 37, 36, 35, 34), + ROW_FLIP(PTB_UP, 39, 38, 37, 36, 35, 34, 33, 32, 31), + ROW_FLIP(36, 35, 34, 33, 32, 31, 30, 29, 28, 27), + ROW_FLIP(PTB_DN, 32, 31, 30, 29, 28, 27, 26, 25, 24), + ROW_FLIP(29, 28, 27, 26, 25, 24, 23, 22, 21, 20) +}; +// LEDs for OCT_UP/OCT_DN status. +const byte octUpSW = 70 - 1; +const byte octDnSW = 90 - 1; +const byte layMdSW = 50 - 1; + +const byte *currentLayout = wickiHaydenLayout; + +// Global time variables +unsigned long currentTime; // Program loop consistent variable for time in milliseconds since power on +const byte debounceTime = 2; // Global digital button debounce time in milliseconds + +// Variables for holding digital button states and activation times +byte activeButtons[elementCount]; // Array to hold current note button states +byte previousActiveButtons[elementCount]; // Array to hold previous note button states for comparison +unsigned long activeButtonsTime[elementCount]; // Array to track last note button activation time for debounce + + +// MIDI channel assignment +byte midiChannel = 1; // Current MIDI channel (changed via user input) + +// Octave modifier +int octave = 0; // Apply a MIDI note number offset (changed via user input in steps of 12) + +bool blackKeys = true; // whether the black keys should be dimmer + +// Velocity levels +byte midiVelocity = 95; // Default velocity +// END SETUP SECTION +// ------------------------------------------------------------------------------------------------------------------------------------------------------------ + +void setup() { +#if defined(ARDUINO_ARCH_MBED) && defined(ARDUINO_ARCH_RP2040) + // Manual begin() is required on core without built-in support for TinyUSB such as mbed rp2040 + TinyUSB_Device_Init(0); +#endif + + //usb_midi.setStringDescriptor("HexBoard MIDI"); + + // Initialize MIDI, and listen to all MIDI channels + // This will also call usb_midi's begin() + MIDI.begin(MIDI_CHANNEL_OMNI); + + // Set serial to make uploads work without bootsel button + Serial.begin(115200); + + // Set pinModes for the digital button matrix. + for (int pinNumber = 0; pinNumber < columnCount; pinNumber++) // For each column pin... + { + pinMode(columns[pinNumber], INPUT_PULLUP); // set the pinMode to INPUT_PULLUP (+3.3V / HIGH). + } + pinMode(m1p, OUTPUT); // Setting the row multiplexer pins to output. + pinMode(m2p, OUTPUT); + pinMode(m4p, OUTPUT); + pinMode(m8p, OUTPUT); + Serial.begin(115200); + strip.begin(); // INITIALIZE NeoPixel strip object (REQUIRED) + strip.show(); // Turn OFF all pixels ASAP + strip.setBrightness(128); // Set BRIGHTNESS (max = 255) + setOctLED(); + setLayoutLEDs(); + strip.setPixelColor(layMdSW, 255, 0, 0); + + // wait until device mounted + while (!TinyUSBDevice.mounted()) delay(1); + + // Print diagnostic troubleshooting information to serial monitor + diagnosticTest(); +} + +// ------------------------------------------------------------------------------------------------------------------------------------------------------------ +// START LOOP SECTION +void loop() { + // Store the current time in a uniform variable for this program loop + currentTime = millis(); + + // Read and store the digital button states of the scanning matrix + readDigitalButtons(); + + // Act on those buttons + playNotes(); + + // Held Buttons + heldButtons(); + + // Do the LEDS + strip.show(); + + // Read any new MIDI messages + MIDI.read(); +} +// END LOOP SECTION +// ------------------------------------------------------------------------------------------------------------------------------------------------------------ + + +// ------------------------------------------------------------------------------------------------------------------------------------------------------------ +// START FUNCTIONS SECTION + +void diagnosticTest() { + if (diagnostics > 0) { + Serial.println("Zach was here"); + } +} + +void commandPress(byte command) { + // Keep octave between ~-12~ 0 and 24 + if (command == OCT_DN) { + if (octave >= 12) { + octave -= 12; + setOctLED(); + strip.setPixelColor(octDnSW, 120, 120, 120); + } + } else if (command == OCT_UP) { + if (octave <= 12) { + octave += 12; + setOctLED(); + strip.setPixelColor(octUpSW, 120, 120, 120); + } + } else if (command == LAY_MD) { + if (currentLayout == wickiHaydenLayout) { + currentLayout = harmonicTableLayout; + } else if (currentLayout == harmonicTableLayout) { + currentLayout = gerhardLayout; + } else { + currentLayout = wickiHaydenLayout; + } + setLayoutLEDs(); + } else if (command == BK_TOG) { + blackKeys = !blackKeys; + setLayoutLEDs(); + } +} +void commandRelease(byte command) { + if (command == OCT_DN) { + setOctLED(); + } else if (command == OCT_UP) { + setOctLED(); + } +} + +// END FUNCTIONS SECTION +// ------------------------------------------------------------------------------------------------------------------------------------------------------------ + +// END OF PROGRAM +// ------------------------------------------------------------------------------------------------------------------------------------------------------------ \ No newline at end of file |